Receiving unit of read-write device for memory module with safety screen

FIELD: information technology.

SUBSTANCE: receiving unit forms a housing and a receiving unit, the housing being detachable and the receiving unit having a rigid frame from which is suspended an assembly of an "П"-frame structure and a printed circuit board with a contact device. The rigid frame consists of a base with end supports, side panels and a front panel, all joined together. Under the inlet opening of the front panel there is a button with a spring-loaded pusher, the end plane of which slants and rests on the shelf of the "П"-frame structure depending on the angular position of its top and bottom part. Stability of the "П"-frame structure in the outermost positions (angular and horizontal) provide fixation mechanisms formed by a system of a spring-loaded P-shaped lever, a holder and a tension-compression spring, lying in corresponding grooves of each of the side panels.

EFFECT: improved manufacturability of the structure, which reduces requirements for accuracy of making elements of the structure and assembly thereof.

2 cl, 3 dwg

 

The invention relates to structural elements of digital storage devices and can be used in input devices in the computer.

Known to the receiving unit of the recording-reading, containing the panel-base, the socket of which is placed a spring-loaded contact node, and bonded with the base rollaway pad-cover, which tightened the memory module (see EPO patent No. 131410, IPC G11C 5/00). The device is intended for memory modules with open (unprotected) pads and cannot be used for memory modules with protective curtain.

Known reception block device write-read memory with protective shutter, the abstraction of which is spring-loaded lever (see, for example, U.S. patent No. 5195079, IPC G11B 17/032, NCI 369/77 .2, No. 6643242 IPC G11B 33/02, NCI 369/77 .2).

These devices are not reliable when used under conditions of vibration and shock loads.

Closest to the technical essence and adopted for the prototype is the receiving unit of the recording device is read by the RF patent №2327235, IPC G11C 5/04, comprising a housing in which is placed the holder of the memory module is equipped with end stops, a movable U-shaped support, the pins and pin device.

The disadvantage of the prototype is a low-tech, due to the high Tr is the requirements for precision of the lever against the radial shoulder and other parts of the mechanism of reception, commit and return the memory module.

The technical problem solved by the claimed invention is the provision of processability due to a change in the mechanism of admission, fixation and return the memory module, thereby reducing the accuracy requirements for the manufacture of components and their Assembly. This task is solved in that in the receiving unit of the recording-reading for a module of a semiconductor memory with a protective cover, comprising a housing and a receiving node, comprising a base provided with end stops, a movable U-shaped support and the contact device, the body is made removable, and the receiving node is formed fastened together side panels, base and end panel, under the intake hole where the button is spring-loaded plunger with a beveled end plane established interoperable end-plane of the bent U-shaped support, which is fixed with swing axles, connecting it with side panels of the frame, provided with means of fixing its extreme positions, the latches of the memory module and is bonded to the circuit Board, where the contact device.

This means fixing the U-shaped supports include two springs - compression, two spring-loaded R-shaped lever and two clamps, when et is m in each side panel with a side end panel in a through hole mounted a spring tension-compression, and in through the hole on the opposite side of the latch, mounted with the possibility of interacting with placed on it in the deep groove of the P-shaped lever, provided with a lateral stop around the wall of the side panel from the inner side, and the spring tension-compression bonded to the U-shaped base and a side panel, and clamp with U-shaped base.

The inventive device represented in the drawings, in which figure 1 presents the removable enclosure is a perspective view, figure 2 - the receiving node is a perspective view, figure 3 is the receiving node, a top view, figure 4 is the receiving node, the section along a-a in non-working condition, figure 5 - the receiving node, the section along a-a in working condition, 6 is a receiving node, a section along B-B in working condition.

The device comprises a removable housing 1 (Fig 1) and the receiving node (figure 2), including the P-shaped support 2, a base 3, two side panels 4, the front panel 5 and the circuit Board 6.

To the side panel 4 is attached to the base 3, provided with end stops 7 and end panel 5 and the printed circuit Board 6 is fixed to the U-shaped support 2.

Items 3, 4, 5 form a rigid frame of a receiving node that is installed with the ability to swing the Assembly of a printed circuit Board 6 and the U-shaped supports 2. Printed circuit Board 6 is connected with the side panels 4 through axis 8 installed on one side of the side panels 4, and the springs stretching is of compression 9, passing through the through holes on the other side of the side panels 4. Axis 8 are held in the holes of the side walls of the U-shaped supports 2, and the spring 9 is fastened to SitePlayer elements 101, 102. In the area of the axis 8 in each side panel 4 is made hollow groove 11, in which is placed a spring-loaded R-shaped lever 12, provided with a lateral stop 13 around the side panel 4 with its inner side. The lever is located with the opportunity to interact with the latch 14, passing through the through hole of the side panel 4. The latch 14 is in the form of a stepped cylinder and reinforced in SitePlayer element 15 of a support 2. The lever 12 is biased by spring 16. The plunger 17 in the form of a stepped cylinder is equipped with a button 18, is installed under the inlet opening 19 and is biased by spring 20. The end surface of the pusher 17 is beveled and interacts with shelf U-shaped support 2. On the circuit Board 6 mounted in the contact device 21, the connector 22 and the tabs 23 (5) of the memory module 24. Figure 6 also marked a spring-loaded protective shutter 25.

The device operates as follows.

In the initial position, the spring 16 of the lever 12 is not loaded, and the spring 9 is stretched. Stretched condition of the spring 9 is provided when assembling the spring-loaded plunger 17, which when the button 18 is beveled end surface presses the U-shaped support 2, lane is leading her in an inclined position relative to the base 3 (4), thus stretching the spring 9. Stretched condition of the spring 9 captures P-shaped lever 12 and resting in him the latch 14 (figure 2). When inserting the memory module 24 to the inlet 19 is moved along the horizontal base 3, and the lugs 7 open the protective cover 25 (6). When moving the end of the memory module 24 rests against the side stops 13 of the two P-shaped levers 12, shifts the lever 12, while the spring 16 is compressed, the latch 14 is released, the spring 9, which is in the stretched condition, is returned to its normal unstressed condition, and the U-shaped support 2 and the associated printed circuit Board 6 occupy a horizontal position (figure 5, 6), providing a pressure contact device 21 to the contact pads of the memory module 24. The position of the memory module 24 is fixed tabs 23, which are located in corresponding slots of the memory module. This spring-loaded plunger 17 is pressed and in contact with the shelf of the U-shaped supports 2 top beveled end surface, and the button 18 is the outer position.

To remove the memory module 23 from the output node of the push button 18, the beveled end surface of a spring-loaded plunger 17 moves, stretching the spring 9 and translating through the pressure of the U-shaped support 2 and the circuit Board 1 in an inclined position. When the latch 14 starts the movement down, the spring 16 begins to spring up, and the arm 12 under the action of the spring 16 returns to its original position, pushing the memory module 24, the back latch 14 and fixes in the source (tilted) position the U-shaped support 2 to the circuit Board 6 (figure 4).

1. The receiving unit of the recording-reading for a module of a semiconductor memory with a protective cover, comprising a housing and a receiving node, comprising a base provided with end stops, a movable U-shaped support and the contact device, characterized in that the casing is made removable, and the receiving node is formed fastened together side panels, base and end panel, under the intake hole where the button is spring-loaded plunger with a beveled end plane established interoperable end-plane of the bent U-shaped support, which is fixed with swing axles, connecting it with the side panels of the frame supplied with fixing means of its end positions, the latches of the memory module and is bonded to the circuit Board, where the contact device.

2. The receiving unit according to claim 1, characterized in that the means of fixing the U-shaped supports include two springs-compression, two spring-loaded R-shaped lever and two clamps, each side panel with the sides of the end panel in a through hole posted by spring tension-compression, and in through the hole on the opposite side of the latch, mounted with the possibility of interacting with placed on it P-shaped lever, provided with a lateral stop around the wall of the side panel from the inner side, and the spring tension-compression bonded to the U-shaped base and a side panel, and clamp with U-shaped base.



 

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