KR20040026441A - Pcb inject/eject apparatus for communication equipment - Google Patents

Abstract

PURPOSE: A PCB attachment apparatus of communication equipment is provided to obtain a backup time of a PCB by forming a rotary delay unit to one side of both sides between a rotary handle and a front plate. CONSTITUTION: A PCB attachment apparatus of communication equipment includes a rotary handle(51) and a rotary delay unit(56). The rotary handle(51) is arranged in parallel to a front plate. The rotary handle(51) is rotated between a locking position for preventing a drawing operation of a PCB from a shelf and a releasing position for drawing the PCB from the shelf. The rotary delay unit is projected to one side of both sides between the rotary handle(51) and the front plate in order to delay a rotating operation of the rotary handle(51).

Description

PCB INJECT / EJECT APPARATUS FOR COMMUNICATION EQUIPMENT}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a detachable device of a communication device, and more particularly, to a detachable device of a communication device for delaying the withdrawal of the device to secure a backup time of the data of the device.

In general, a communication equipment used in a repeater, an exchanger, or a base station is provided with a rack on the bottom surface in a vertical direction, and the rack has a plurality of shelves having a tubular shape with an open front surface.

1 is a perspective view of a shelf for a general communication device. As shown, the shelf 10 for communication equipment is provided with a plurality of vertical frames 11 and horizontal frames 12 arranged in a substantially rectangular parallelepiped along the vertical direction and the horizontal direction, and at the upper and lower sides thereof. An upper guide 13 and a lower guide 14 are provided to accommodate the upper and lower edges of the PC 17 disposed along the vertical direction to guide the PC 17 to slide out along the front and rear directions.

On the other hand, the rear of each PC 17 is provided with a connector (not shown) to be connected to the motherboard (not shown) disposed on the rear of the shelf 10, the front of each of the PC 17 (PC) ( It is provided with a PC detachable device 20 of the conventional communication equipment to allow the 17 to be fixed in the inserted state inside the shelf 10 and to be withdrawn from the shelf 10.

Figure 2 is a perspective view of the conventional PCB detachable device of the communication equipment, Figure 3 is an exploded perspective view of the removable assembly of Figure 2, Figures 4a to 4e is a view showing the withdrawal process of the PC. As shown in these figures, the PC detachable device 20 of the communication equipment, the front plate 21 is integrally coupled to the front of the PC 17, and is coupled to the top and bottom of the front plate 21, respectively It is provided with a pair of detachable assembly 23 which engages and disengages the latching jaw 15 formed in the upper part and the lower part of the opening of the shelf 10 to fix and withdraw the PC 17.

The detachable assembly 23 includes a handle support member 31 integrally coupled to the front plate 21, a rotation handle 51 rotatably coupled to the handle support member 31, and a rotation handle 51. Locker 62 for fixing and releasing the lock, and an operation lever 65 coupled to the handle support member 31 to rotate the operation switch 71 to be described later to an on or off position.

The pin hole 66 is formed in the central region of the manipulation lever 65 so that the lever pin 38 can be accommodated, and at one end, the switch pin 72 of the manipulation switch 71 can be accommodated in a relative motion. The pin accommodation portion 67 is formed.

One side of the handle supporting member 31 is formed with a PC non-coupling portion 34 so that the PC 17 can be coupled, the locker 62 is accommodated in the upper region to be coupled by the fixing bolt 35 The receiving groove 32 is formed. The pin hole 36 is formed at the lower side of the receiving groove 32 so that the operation lever 65 can be rotatably coupled by the lever pin 38. A pin hole 40 is formed at the lower portion of the handle supporting member 31 to accommodate the handle pin 37 so that the rotation handle 51 can be rotatably coupled by the handle pin 37 and the handle pin 37. At the periphery of the torsion spring 39 is coupled. A stopper 42 is formed at one side of the pin hole 40 to contact the lower portion of the pivot knob 51 to limit the pivot range of the pivot knob 51.

The rotating handle 51 has a receiving space formed therein so as to accommodate the handle supporting member 31 in the width direction, and the one end of the operating lever 65 is accommodated in a relative movement so that the rotating handle 51 can be accommodated therein. A lever guide 53 for guiding the end of the operating lever 65 is formed so that it can rotate in conjunction with the rotation of the. A pin accommodation hole 55 is formed in the lower region of the pivot handle 51 so that the handle pin 37 can be received and coupled, and a locking step 15 formed in the shelf 10 below the pin accommodation hole 55. ), The locking jaw accommodation groove 57 is formed to be accommodated. A stopper contact portion 59 is formed at one side of the locking jaw accommodating groove 57 so as to contact the stopper 42. The through hole 61 may pass through the locker 62 in the upper region of the rotation knob 51. Is formed.

With this configuration, when the PCB 17 is to be withdrawn from the shelf 10, the locker 62 is pushed in a direction away from the knob pin 37 of the pivot handle 51 and restrained by the locker 62. In a state in which the restrained state of the pivoting knob 51 is released, the pivoting knob 51 is pulled forward to pivot about the handle pin 37. When the rotating handle 51 is rotated about the handle pin 37, the end of the operating lever 65 accommodated in the lever guide 53 is pressed to move along the inclined surface of the lever guide 53.

Thereby, the operation lever 65 is rotated about the lever pin 38, and the switch pin 72 accommodated inside the pin accommodation portion 67 is rotated to the off position. When the operation switch 71 is turned off, the data of the PC 17 is backed up.

On the other hand, when the rotation handle 51 is continuously rotated, the stopper contact portion 59 and the stopper 42 of the rotation handle 51 is in contact with each other, the rotation handle 51 is stopped rotation, each locking jaw 15 is locked The state is separated from the jaw accommodation groove 57. At this time, when the grab handle 51 is pulled forward, the shelf 17 is drawn out of the shelf 10 while sliding along the upper guide 13 and the lower guide 14 from the shelf 10.

By the way, in the conventional PCB detachable device of the communication equipment, the rotation knob 51 is rotated without any restriction around the handle pin 37 when the lock state is released by the locker 62, If the PC 17 is unreasonably disconnected and / or disconnected from the motherboard in the state that the backup of the data of 17) is not completed, there is a problem that data loss or error may occur.

Accordingly, it is an object of the present invention to provide a PCB detachable device for communication equipment which can secure the backup time of data by delaying the rotation of the rotation knob.

1 is a perspective view of a shelf for a general communication equipment,

Figure 2 is a perspective view of the PC detachable device of the conventional communication equipment,

3 is an exploded perspective view of the detachable assembly of FIG. 2;

4A to 4E are diagrams illustrating the withdrawal process of PCBs, respectively;

5 is a perspective view of the PC detachable device of the communication device according to an embodiment of the present invention,

6A to 6E are diagrams for describing the operation of FIG. 5, respectively.

7 is a perspective view of the PC detachable device of the communication device according to another embodiment of the present invention;

8 is an enlarged cross-sectional view of the main part of FIG. 7.

Explanation of symbols on the main parts of the drawings

15: jam jaw 17: PCB

21: front plate 31: handle support member

42: stopper 43a: stopper section

43b: cutout 43c: protrusion

51: meeting handle 56: meeting delay

According to the present invention, a shelf having a front opening and a sliding guide provided on the upper and lower surfaces thereof, a PCB in which upper and lower edges are slidably received in the sliding guide, and a front plate coupled to the front of the PCB. In the communication equipment having a, the front panel is arranged in parallel with the front plate and the locking position to prevent the PCB from being drawn out of the shelf and disposed to be inclined relative to the front plate release to allow the withdrawal of the PCB A rotation knob capable of rotating between positions; It is achieved by the PC detachable device of the communication equipment, characterized in that it comprises a rotation delay unit which is formed to protrude toward the other one of the mutual contact surface of the rotation handle and the front plate to delay the rotation of the rotation handle.

Here, the rotation delay unit is preferably formed in the rotation handle.

It further comprises a handle support member coupled to the front plate to support the rotation handle rotatably, wherein the handle support member is effective that the protrusion is formed so as to contact the rotation delay portion.

And a handle support member coupled to the front plate to rotatably support the rotation handle, wherein the rotation delay part is formed on the handle support member.

The rotation delay unit is effectively formed to elastically contact the other one.

The PCB is provided with an operation switch for turning on / off the driving of the PCB in conjunction with the rotation of the rotation knob, wherein the rotation delay unit is formed such that the rotation of the rotation knob is delayed when the operation switch is turned off. desirable.

The rotation delay unit preferably comprises a working protrusion protruding and retractable from the surface, and a projection spring for applying an elastic force so that the working protrusion protrudes from the surface.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the present invention.

Figure 5 is a perspective view of the PCB detachment device of the communication equipment according to an embodiment of the present invention, Figures 6a to 6e is a view for explaining the operation of Figure 5, respectively. The same reference numerals and the same components as the above-described and illustrated configurations are denoted by the same reference numerals for convenience of description, and detailed description thereof will be omitted. As shown in these figures, the PC detachable device 50 for communication equipment, the handle supporting member 31 is fixedly coupled to the front plate 21 and the receiving jaw (15) on one side to each other A rotation handle 51 having a locking jaw accommodation groove 57 recessed to be engaged to be rotatably coupled to the handle support member 31, and a handle support member 31 on one side of the rotation handle 51. It is configured to include a rotation delay unit 56 which is formed in contact with the rotation handle 51 to delay the rotation of the rotation handle (51).

The locker 62 is coupled to the upper region of the handle supporting member 31 by a fixing bolt 35 so as to fix and release the pivoting knob 51. An operation switch 71 is provided below the locker 62. ), The operation lever 65 is coupled so that relative rotation is possible.

The through hole 61 is formed in the upper region of the rotation handle 51 to allow the locker 62 to penetrate, and at the lower end, the locking jaw 15 when standing by receiving the locking jaw 15 of the shelf 10. The locking jaw accommodation groove 57 is formed to be in contact with the recess so that the withdrawal can be suppressed. A stopper contact portion 59 is formed at one side of the locking jaw accommodating groove 57 so as to be in contact with the stopper 42 of the handle supporting member 31 so as to limit the range of rotation of the pivot handle 51.

On the other hand, the lower back portion of the rotating handle 51 is in contact with a region of the handle supporting member 31 to rotate the rotation delay portion 56 protruding away from the handle pin 37 so as to delay the rotation of the rotating handle (51). ) Is formed. The rotation delay unit 56 has a through hole 58 formed at the rear thereof so as to have a thin thickness to allow elastic deformation upon contact with the handle supporting member 31.

The handle support member 31 is formed with a stopper 42 so as to limit the rotation range of the rotation handle 51. The front lower region of the stopper 42 is in contact with the stopper contact portion 59 of the rotation knob 51 to form a stopper section 43a which is inclined so as to perform a stopper function, and the stopper section 43a On the upper side, a cutout portion 43b cut back is formed to correspond to the rotational trajectory of the rotation delay portion 56. On the upper side of the cutout 43b, a projection 43c is formed in contact with the rotation delay unit 56 to delay the rotation of the rotation knob 51. As shown in FIG.

Here, the rotation delay portion 56 and the projection portion 43c are rotated from the lock position in which the rotation handle 51 is arranged in parallel with the front plate 21 to the stopper 42 in contact with the stopper 42 so as to stop the rotation. In this case, it is preferable that the operation lever 65 interlocks with the rotation knob 51 so as to be in contact with each other when the operation switch 71 is turned off.

By this configuration, when the PC 17 is housed inside the shelf 10, as shown in FIG. 6A, the pivoting handle 51 stands up side by side with the front plate 21, and the locker 62 is placed. One side of the locking jaw accommodating groove 57 is engaged with the locking jaw 15 in the withdrawal direction in a state where rotation is prevented by the locking jaw 15, and thus, the locking jaw accommodation groove 57 is present in a locked position that suppresses the withdrawal of the PC 17. At this time, the operation switch 71 is turned on.

When the PC 17 is to be withdrawn from the shelf 10, first, as shown in FIG. 6B, the locker 62 is pushed upward so that the pivoting handle 51 can be rotated, thereby restraining the pivoting handle 51. To be released.

When the pivoting knob 51 is pushed forward, as shown in FIG. 6C, the pivoting knob 51 pivots downwardly around the handle pin 37 and almost simultaneously with the pivoting of the pivoting knob 51. The end of the operating lever 65 accommodated in the inside of 53) is relative to rotate along the wall surface of the lever guide (53). As the operation lever 65 is rotated, the switch pin 72 of the operation switch 71 accommodated in the pin accommodation portion 67 rotates downward to become almost horizontal.

When the rotation knob 51 continues the downward rotation, as shown in Fig. 6D, the rotation delay unit 56 is in contact with the protrusion 43c to apply resistance to the rotation, thereby reducing the rotation speed. At this time, the operation lever 65 is rotated relative to the rotation of the rotation knob 51, and the operation switch 71 is turned to the off state, and the operation switch 71 is turned off almost at the same time as the PCB 17 ) Will be backed up.

On the other hand, when the pressing force of the rotation knob 51 is increased, the rotation delay portion 56 passes through the protrusion 43c while elastically deforming, and as shown in FIG. 6E, the stopper contact portion 59 is in contact with the stopper 42. As a result, the rotation is stopped to exist in the release position. At this time, by holding the pivoting knob 51 and pulling it forward, the PCB 17 is separated from the motherboard and slides out.

Figure 7 is a perspective view of the PCB detachment device of the communication device according to another embodiment of the present invention, Figure 8 is an enlarged cross-sectional view of the main portion of FIG. The same reference numerals refer to the same and the same components as the above and illustrated configurations, and detailed description thereof will be omitted. As shown in these figures, the PC detachable device 70 of the present communication equipment is disposed so as to be rotatable relative to the front plate 21 so that the PC 17 can be pulled out and fixed from the shelf 10. (51), the handle support member 31 is integrally coupled to the front plate 21 and rotatably supporting the pivot handle 51, and the handle support member 31 is disposed to protrude and withdraw from the surface to rotate The rotation delay part 45 which delays rotation of the handle 51 is comprised.

The lower rear region of the pivot handle 51 is provided with a protrusion 60 protruding toward the handle support member 31, and the pivot delay part 45 is provided on one side of the handle support member 31. It is formed on the front surface of the stopper 42 formed to limit the rotation range.

The rotation delay unit 45 is disposed on the front and rear of the stopper 42 in a protruding and retractable manner in a retractable direction, and is disposed in the retractable direction in the front and rear direction behind the acting projection 46. The actuating protrusion 46 is configured to include a protruding spring 47 that applies an elastic force to protrude forward of the stopper 42. Here, the position of the actuating projection 46 is the projection 60 of the rotation knob 51 at the rotational position immediately after the operation switch 71 is turned off by the operation lever 65 interlocked with the rotation knob 51. Is formed to be in contact with the action projections 46.

By this configuration, when the pivoting knob 51 is pulled forward, the pivoting knob 51 is rotated downward about the handle pin 37 as described above, and the operation switch 71 is turned off and at the same time 17) the data backup is made. The rotation knob 51 is rotated by the projection 60 is in contact with the working projection 46 is delayed. Increasing the pressing force of the rotating handle 51, the actuating projection 46 is pushed back to the inside, and when the protrusion 60 passes, it protrudes again by the elastic force of the projection spring 47.

As described above, according to the present invention, by providing a rotation delay portion protruding toward the other one of the mutual contact surface of the rotation handle and the front plate to delay the rotation of the rotation handle, it is possible to ensure the backup time of the PC Provided is a detachable device for communication equipment.

Claims (7)

In the communication equipment having a shelf having a front opening and a sliding guide is provided on the upper and lower sides of the inside, a PCB in which the upper and lower edges are slidably received in the sliding guide, and a front plate coupled to the front of the PCB. A rotational handle rotatably disposed between the lock position disposed in parallel with the front plate on the front plate to prevent the PCB from being drawn out of the shelf and the release position inclined with respect to the front plate to allow the PCB to be pulled out; ; And a rotation delay unit which is formed to protrude toward the other one of the mutual contact surfaces of the pivot handle and the front plate to delay the pivot of the pivot handle. The method of claim 1, The rotation delay unit is attached to the detachable device of the communication equipment, characterized in that formed on the rotation handle. The method of claim 2, And a handle supporting member coupled to the front plate to rotatably support the pivoting handle, wherein the handle supporting member is provided with a protrusion projecting to be in contact with the pivoting delay part. PC detachable device. The method of claim 1, And a handle support member coupled to the front plate to rotatably support the pivot handle, wherein the pivot delay portion is formed on the handle support member. The method according to any one of claims 1 to 4, The pivot delay unit is detachable device of the communication equipment, characterized in that formed to elastically contact the other one. The method of claim 5, The PCB is provided with an operation switch for turning on / off the driving of the PCB in conjunction with the rotation of the rotation knob, wherein the rotation delay unit is formed such that the rotation of the rotation knob is delayed when the operation switch is turned off. PC removable device of the communication equipment characterized in that. The method of claim 6, And the rotation delay unit includes a working protrusion protruding from the surface and retractably installed, and a protrusion spring for applying an elastic force so that the working protrusion protrudes from the surface.