Sprinkler clip

FIELD: instrument making.

SUBSTANCE: sprinkler clip comprises bending loop-like support clamp with its ends furnished with one hole and superimposed in closed position. Note here that, in the said position, the first hole in the inside end of support clamp mates the second hole on the clamp outside end so that the clamping element is received into both holes, the said clamping element being furnished with a radial ledge resting upon inside hole edge from inside. In compliance with the invention, the second hole cross section differs from that of the first hole, and that the clamping element is furnished with a radial bulge at a distance from the previously mentioned radial ledge, which allows the clamping element to be held on the fist hole edge without slippage and to enter the second hole.

EFFECT: simple and reliable fastening of sprinkler pipelines on mounting components.

12 cl, 4 dwg

 

The present invention relates to a housing of the sprinkler with a bent hook-shaped supporting bracket, the ends of which have one hole, and in close position overlap each other, while the first hole located inside the end support bracket overlaps with the second hole is located outside the end of the support bracket and the locking element, which in assembled position held through both holes and has a radial projection that rests on the inside edge of the inside of the hole.

The buckles for sprinkler use to support pipe sprinkler systems. Because sprinklers are preferably located in buildings in the ceiling, suspended pipelines fixed on the ceiling. The buckles sprinkler above-mentioned type are known as devices for fastening pipes, through which the pipelines are installed on the mounting parts mounted on the supporting structure, for example the mounting rail or the bottom side of the ceiling. During the installation of the first bend and pull on the tubing loop-shaped support bracket. After that, the clip is compressed from both sides, so that the two ends overlap overlap one another, and their holes overlap. The locking element is introduced into both holes, and then connect with for repleni ceiling mounting part, that is, as a rule, the screw locking element of the threaded pin on the mounting part. However, it was found that the transmittance of the locking element into the holes is difficult because of being simultaneously inside the loop-shaped support bracket sprinkler pipe. First of all, during alignment of the sprinkler clamp on the pipe relative to an already existing installation details it often happens that the locking element falls on the floor from the hole. Consequently, it is necessary to search the locking element on the floor and re-install it. Another disadvantage is that the support bracket and the locking element can be collected only directly prior to installation and, therefore, during all operations, such as sales, warehousing, delivery, transportation and so on, they are two different individual parts.

Further, the prior art known technical solution, providing that the hook-shaped supporting bracket is U-shaped curves at the ends and with the upper side is inserted in the annular groove of the locking element, which in turn already screwed the threaded pin on the mounting part mounted on the ceiling. In addition, the known method, when one lateral side of the hook-shaped support bracket is fixed on tanobocno the pin between the two nuts, and the other side in the form of a fork is placed on locating pin, then clamp both fork plate.

The present invention is to create a clamp for sprinkler above-mentioned type, easy to use and economical in manufacture.

The task according to the invention is solved by the clamp for sprinkler of the above-mentioned type, in which the cross-section of the second hole is different from the cross-section of the first hole, and the locking element is at a distance from the radial tabs radial expansion, resulting in the shut-off element by means of radial extensions firmly held on the edge of the first hole and is inserted into the second hole.

The advantage of the buckle for a sprinkler according to the invention is that in the process of mounting the locking element can no longer accidentally fall out of the holes. In addition, there is the fact that also during transport locking element may not be lost.

In a preferred embodiment, the holes are made round, and the diameter of the second hole is greater than the maximum radial dimension of the locking element in the zone of radial expansion. Therefore, the shut-off element in any position is inserted into the second hole, although it still needs some tightening.

In PR doctitle embodiment, on the opposite relative to the radial protrusion of the end of the locking element has two spaced opposite one another radial expansion. Due to the radial extensions of the locking element cannot fall out of the first hole. Together with the radial protrusion creates reliable, sturdy landing.

Preferably the edge of the first hole provided with a recess corresponding to the shape of at least one of the two radial extensions, resulting in the locking element can be inserted into the first hole. By hand or mechanical expansion of the locking element when in the first hole of the support bracket is excluded.

To ensure a solid landing locking element is slid into the first opening preferably only in an inclined position with the first hole impose one of the two radial extensions of the locking element having its bore edge. Then the second of the two radial extensions can pass into the hole in the area of the notches on the edge of the hole. If the locking element is introduced into the hole, then pull it back out of the hole only in the above-described inclined position, i.e. the locking element cannot fall out or cannot be removed from the hole perpendicular to the plane of the hole.

Suitable shut-off element is made of metal, and a radial extension in the form of moulded as one of the tabs or plates to bend, to reduce the cost of shut-El the element.

In a preferred embodiment, the locking element is designed in the form of a locking nut with a through hole with an internal thread, so that the bracket on the mounting parts can be made by screwing it in a known manner on the dowel pin.

In the practical implementation of the internal thread of the through hole ends at a distance from the zone of radial extensions. This ensures that the thread does not suffer damage as a result of bending of plates. In addition, when attaching the first closing element can be mounted on a dowel pin or similar element, resulting in the clamp for sprinkler is already recorded about his position before the locking element will be an intact on the dowel pin.

Preferably the locking element on the peripheral surface has a textured area for ease of use when tightening the threaded pin mounting details. With regard to rotation in the holes shut-off element is provided with a corresponding profile to use the tool.

Suitable supporting bracket run from thin sheet metal, and it is different radial elasticity. Due to acting on the closing element in opposite directions, the edges of the holes opened in the hole of the stop element in the sight of ontanon position slightly pushed. Therefore, loop-shaped support bracket clamp for sprinkler to impose on the fixed pipeline, can be compressed, so that the ends come to overlap one another, and the locking element secured in the first hole, you can pass through the second hole without the need for alignment clamp for sprinkler relative to the mounting part. In order rational division of labor in the process of assembling the piping must be equipped with buckles for sprinkler and the second working stage fixed buckles for sprinkler for mounting details.

Below on the basis of the attached drawings in more detail describes an example implementation.

Figure 1 is a perspective view loop-shaped support bracket clamp for sprinkler;

figure 2 is a perspective view of the locking element clamp for sprinkler;

figure 3 is a perspective view of the buckle to the sprinkler, and the locking element 2 is introduced in located inside the hole of the support bracket with figure 1;

4 is a perspective view of the clamp for sprinkler in figure 3, with the locking element introduced in both holes.

Figure 1 shows the hook-shaped supporting bracket 12, the ends 14, 16 of which have a first opening 18 and second opening 20. The supporting bracket 12 is made of thin sheet metal, with the outcome of the second position of the bracket is open, and both ends 14, 16 are located at a distance from each other. The supporting bracket 12 is elasticity, and arising from the compression force of elasticity is calculated so that the compression bracket arms on both sides, so that in the close position, the ends 14, 16 overlap overlap one another, and the first hole 18 located within the end 14 of the support bracket 12 is overlapped with the second opening 20 located outside the end 14 of the support bracket 12. Holes 18, 20 round, and the diameter of the second hole 20 is larger than the diameter of the first hole 18.

The holes 18, 20 is injected is shown in figure 2, the locking element 22. The locking element 22 has a radial protrusion 24, which rests on the inside edge 26 located within the holes 18. Through the radial protrusion is transferring its weight is not shown sprinkler pipe, which is located on the opposite ends 14, 16 of curvature 28 of the support bracket 12. The transfer of the load from the support bracket 12 to the locking element 22 is also possible, for example, through several separate radial protrusions instead performed in the exemplary embodiment the annular radial projection 24. At its opposite radial protrusion 24 end locking element 22 has two lying opposite each other, the radial expansion and 30, through which the locking element 22 is firmly held in the first opening 18.

The locking element 22 is made of metal, and a radial extension in the form of moulded as one of the plates are bent. The locking element 22 is made in the form of a locking nut with a through hole 32 with internal thread. The internal thread is made in a through hole 32 at a distance from the zone of radial extensions 30. For mounting on the mounting part, for example, by means of the adjusting pin on the peripheral surface of the locking element 22 provided with a roughened area for convenience. To increase opportunities for the use of the locking nut may be provided with a stepped thread, so that the locking element 22 can be fastened to the mounting parts with two different thread sizes, for example M 10 and M 12.

The edge 26 of the first hole 18 is made with a notch 36, the form of which approximately corresponds to at least one of the two radial extensions.

The locking element 22 to hold without loss inserted into the first hole 18 in an inclined position. Thus the axis of the locking element 22 assumes an angular position relative to the perpendicular to the plane of the first hole 18. One of the two radial extensions 30 is located opposite the slot 36 and is introduced first into the first opening 18. Another of dvuhnedelnik extensions 30 can then through the notch 36 to wind up turning into the first opening 18.

Figure 3 shows a clamp for sprinkler according to the invention, in which the locking element 22 with two radial extensions 30 is firmly held in the first hole 18, after he has already been entered, as described above, in the first hole 18. Due to the compression, the support bracket 12 both ends 14, 16 overlap overlap one another, so that the first hole 18 is overlapped with the second opening 20. As the second hole 20 has a diameter greater than the outer distance between the two radial extensions 30 of the locking element 22 in the zone of radial extensions 30, the locking element 22 from the inside can be introduced through the second hole 20 to the outside to secure it on a not shown mounting details. Figure 4 shows this position of the clamp for the sprinkler, with the sprinkler pipe held between the spaced ends 14, 16 in the hook-shaped supporting bracket 12, is not shown.

1. Clamp for sprinkler with a bent hook-shaped support bracket (12), the ends (14, 16) which have one hole (18, 20) and in close position overlap each other, while the first hole (18) in the inner end (14) of the support bracket (12) is overlapped with the second opening (20) located outside the end (16) of the support bracket (12)and the locking element (22), in which cm is Nirvana position entered in both holes (18, 20) and has a radial protrusion (24)resting on the inside edge (26) inside the hole (18), characterized in that the cross section of the second hole (20) differs from the cross-section of the first hole (18) and the locking element (22) is at a distance from the radial projection (24) of the radial extension (30), through which the locking element (22) by means of radial expansion (30) is retained without loss at the edge (26) of the first opening (18) and is inserted into the second hole (20).

2. The clamp for the sprinkler according to claim 1, characterized in that the closing element (22) is made to rotate in the holes (18, 20).

3. The clamp for the sprinkler according to claim 1, characterized in that the holes (18, 20) is made circular and the diameter of the second hole (20) is greater than the maximum radial dimension of the locking element (22) in the zone of radial expansion (30).

4. The clamp for the sprinkler according to claim 1, characterized in that the closing element (22) opposite to the radial projection (24) the end has two spaced opposite one another radial expansion (30).

5. The clamp for the sprinkler according to claim 4, characterized in that the edge (26) of the first hole (18) is provided with a recess (36)corresponding to the shape of at least one of the two radial extensions (30).

6. The clamp for the sprinkler according to claim 5, characterized in that the closing element (22) for uderzenie is without loss starts in the first hole (18) only in an inclined position.

7. The clamp for the sprinkler according to claim 3, characterized in that the closing element (22) is made of metal, and radial expansion (30) in the form of moulded as one of the tabs or plates are bent.

8. The clamp for the sprinkler according to claim 1, characterized in that the closing element (22) is designed as a locking nut with a through hole (32) with internal thread.

9. Clamp for sprinkler of claim 8, characterized in that the inner thread in a through hole (32) ends at a distance from the zone of radial extensions (30).

10. The clamp for the sprinkler according to claim 1, characterized in that the closing element (22) on the circumferential surface has a textured area (34) for convenience.

11. The clamp for the sprinkler according to claim 1, characterized in that the support bracket (12) is made of thin sheet metal.

12. The clamp for the sprinkler according to claim 1, characterized in that the support bracket (12) is different radial elasticity, which opened into the holes (18, 20) of locking element (22) is held in the pre-installation position.



 

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