The method of fixation parts from turning around the axis of the mounting

 

(57) Abstract:

The invention can be used in various fields of technology and engineering, for example, for locking the spring clip and an acoustic alarm device wear on the pad disk brake of the vehicle. A cylindrical pin with a head pressed into the mounting holes of the main and fixed parts. The pin is made of a material with a hardness lower than the hardness of the material of the fixed part and with a longitudinal notch. The hole in the fixed parts are in the form of a polygon such as a hexagon inscribed circle diameter which matches the diameter of the hole of the main part. The result is improved reliability of the fixing parts from turning around the axis of the mounting. 1 C.p. f-crystals, 1 Il.

The invention relates to a method of fixing the metal parts from turning around the axis of the mounting and can be used in various fields of technology and engineering, for example for fixing the spring clip and an acoustic alarm device wear on the pad disk brake the vehicle.

Widely known methods of fixing parts due to the introduction of additional connections thread and structural forms, excluding turning around the axis of the primary fastener. The disadvantage of these methods of fixation is the use of additional fasteners, constructive complication forms the fixed part, as a consequence, complicating the design and Assembly technology.

The closest to the essential features is the way of fixing the parts from turning around the axis of the fixture, including the mounting of a cylindrical pin with a head in the mounting holes of the main and fixed parts [1]. However, this method does not provide a reliable fixing details from turning around the axis of the fastener when the radial torques.

The proposed method of fixing the parts from turning around the axis of the mount is that the cylindrical pin with a head pressed into the mounting holes of the main and fixed parts. When this pin is made of a material with a hardness lower than the hardness of the material of the fixed part and with a longitudinal notch and the hole in the fixed part in the form of a polygon such as a hexagon inscribed circle diameter which matches the diameter of the hole of the main part.

the tion, achieved by the fact that a cylindrical pin with a head pressed into the mounting holes of the main and fixed parts. When this pin is made of a material with a hardness lower than the hardness of the material of the fixed part and with a longitudinal notch and the hole in the fixed part in the form of a hexagon inscribed circle diameter which matches the diameter of the hole of the main part.

The drawing shows the diagram of a method of fixing the parts from turning around the axis of the fastening.

Fixing details do zapressovyvaja pin 1 into the mounting holes 2 fixed and 3 main parts. Pin 1 perform with a longitudinal notch from a material with a hardness lower than the hardness of the material of the workpiece 2 and the hole in the part 2 is in the form of a hexagon. Due to the edges of the hole part 2 on the notched surface of the pin 1 are formed with a smooth face, but the pin with tension mounts in hole part 3, thereby eliminating the twisting part 2 around the axis of the fastener when the impact torque R.

Thus, the proposed method allows more complex structural forms and additional connections securely fix the item from turning around whether the reliability of the above method of fixing parts of spring clamps and acoustic alarms wear on the pad disk brake the vehicle.

THE SOURCE OF INFORMATION

1. Patent US 3240100, 15.03.1966, F 16 B 19/02, 4 sheets

1. The method of fixation parts from turning around the axis of the fixture, including the mounting of a cylindrical pin with a head in the mounting holes of the main and fixed parts, characterized in that the pin is made of a material with hardness lower than the hardness of the material of the fixed part, and with a longitudinal notch and the hole in the fixed part in the form of a polygon inscribed circle diameter which matches the diameter of the hole of the main part.

2. The method according to p. 1, characterized in that the mounting hole in the fixed parts are in the form of a hexagon.

 

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