CN213210899U - Plug-in and self-locking device, circuit plug-in unit with same and case - Google Patents
Plug-in and self-locking device, circuit plug-in unit with same and case Download PDFInfo
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- CN213210899U CN213210899U CN202022327240.6U CN202022327240U CN213210899U CN 213210899 U CN213210899 U CN 213210899U CN 202022327240 U CN202022327240 U CN 202022327240U CN 213210899 U CN213210899 U CN 213210899U
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Abstract
The utility model provides a novel plugging and self-locking device of a circuit plug-in unit, which comprises a pulling handle, a pin shaft, a slide block, a spring piece, a mounting seat and a loose and non-falling screw; the pulling handle is a shell covering the top of the mounting seat, and through holes are formed in the left side and the right side of the shell; the bottom structure of the mounting seat is a standard pulling aid interface, a groove is arranged in the middle of the top, through holes matched with the pulling handle are formed in the left side and the right side of the groove, and a slide way is arranged at the rear of the top of the mounting seat and adjacent to the groove; the bottom of the sliding block is provided with a sliding chute matched with the sliding way, and the top of the sliding block is provided with a boss; the spring piece is a U-shaped spring piece and is arranged in the groove; the pin shaft penetrates through the through holes in the pulling handle and the mounting seat to connect the pulling handle and the mounting seat together; the release screw is disposed in the mounting seat. The utility model overcomes but shortcoming such as current device plug power is big, the fragile inefficacy of structure, the unilateral contact of pull-out device provides a long moment handle, the two point contact of pull-out department, the all metal plug device of body auto-lock.
Description
Technical Field
The utility model relates to a circuit plug-in components help inserting to open and pull out technical field, especially relate to a plug and self-lock device and be equipped with device's circuit plug-in components and quick-witted case.
Background
The radar electronic system is powerful and complex, and each radar is composed of a plurality of subsystems, a plurality of plug-in boxes and circuit plug-in components. A plurality of standard circuit plug-ins with different functions are installed in the plug-in box, each circuit plug-in adopts a blind plugging structure to be plugged into a printed backboard of the plug-in box, and the plug-in device on the circuit plug-in carries out the disassembly and maintenance of the circuit plug-in.
The existing standard plug-in device adopting foreign companies is widely applied to VME and CPCI bus plug-in units, and with the appearance of VPX bus, the original plug-in device can not meet the use requirement. The maximum plugging force of the VPX connector is 120N, which is far higher than the plugging force of the VME connector and the CPCI connector, the length of a handle of the conventional plugging device is short, the moment is small during plugging, plugging is not smooth in use, and meanwhile, the problem of wear failure of the plugging device caused by the increase of the plugging force is easy to occur.
SUMMERY OF THE UTILITY MODEL
The utility model provides a can improve the plug performance of circuit plug-in components, reduce the plug power, reduce the plug time, improve the novel plug of circuit plug-in components and self-lock device of plug device reliability.
Particularly, the utility model provides a plugging and self-locking device, which is characterized in that the plugging and self-locking device comprises a pulling handle, a pin shaft, a slide block, a spring leaf, a mounting seat and a loose and non-falling screw;
the pulling-up handle is provided with a shell covering the top of the mounting seat and a handle connected with the shell, the structure of the shell is matched with the mounting seat, and the left side and the right side of the shell are provided with first through holes;
the bottom structure of the mounting seat is a standard VPX extraction aid interface, a groove is arranged in the middle of the top of the mounting seat, second through holes matched with the first through holes in the extraction handle shell are formed in the left side and the right side of the groove, and a slide way is arranged at the position, adjacent to the groove, behind the top of the mounting seat;
the bottom of the sliding block is provided with a sliding chute matched with the sliding way, and the top of the sliding block is provided with a boss;
the spring piece is a U-shaped spring piece and is arranged in the groove;
the pin shaft penetrates through the first through hole and the second through hole in the pulling handle and the mounting seat to connect the pulling handle and the mounting seat together;
the release screw is disposed in the mount.
Furthermore, the handle is arranged at the position, close to the side edge, of the shell, and the extending direction of the handle is parallel to the fixed surface of the plugging and self-locking device.
Furthermore, a sliding block fixing groove is formed in the inner side of the rear end of the pulling handle; the shape of the boss is matched with that of the sliding block fixing groove.
Furthermore, the spring piece is shorter at the side close to the sliding block and longer at the side far away from the sliding block, and the longer side is pressed on the top of the sliding block through the pulling handle.
Further, the handle tail is curved toward the bottom.
The circuit plug-in is characterized by comprising a panel, a circuit module and a connector; the panel is arranged on the front side of the circuit module, and the connector is arranged on the back side of the circuit module; the two ends of the panel are respectively provided with a plugging and self-locking device.
The case is provided with a novel plugging and self-locking device and is characterized by comprising a circuit plug-in unit and a case body; the circuit plug-in comprises a plugging and self-locking device; the circuit plug-in unit can be integrally plugged in and pulled out of the box body.
The utility model has the advantages that:
the utility model discloses an under the prerequisite that does not influence circuit plug-in components usability, overcome shortcomings such as current plug self-lock device plug power is big, the fragile inefficacy of structure, the unilateral contact of pull-out device, provide a long moment handle, the two point contact of pull-out department, the all metal plug device that the body can be auto-locked.
The middle pulling handle of the utility model is made of metal material, which solves the problem that the original plastic material is worn in long-term use; the self-locking form of the existing pulling device is changed, the length of the pulling handle is lengthened, and the pulling force for pulling the electronic module is reduced.
The utility model adopts single-side pulling to reduce the width of the handle body and ensure that the available area of the electronic components of the front panel of the plug-in is unchanged; the handle and the electronic module panel are designed in parallel, so that the size of the circuit plug-in the depth direction is reduced, and meanwhile, the space in the box body is saved; the design of the bend angle at the bottom of the handle is more beneficial to the pulling operation by one hand; and the double-point pulling ensures that the module is stressed uniformly when the electronic module is pulled up.
Drawings
Fig. 1 is a schematic structural view of a novel plugging and self-locking device for a circuit card according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of a novel plugging and self-locking device for a circuit card according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a circuit card provided with a novel plugging and self-locking device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a case provided with a novel plugging and self-locking device according to an embodiment of the present invention;
fig. 5 is a schematic view of a novel plugging and self-locking device for a circuit card according to an embodiment of the present invention in an installation and locking state;
fig. 6 is a schematic view of a novel plugging and self-locking device for a circuit card according to an embodiment of the present invention in a self-locking state;
fig. 7 is a schematic view of a novel plugging and self-locking device for a circuit card according to an embodiment of the present invention in an installation and pulling state;
fig. 8 is a schematic view of a novel plugging and self-locking device for a circuit card according to an embodiment of the present invention in a natural springing open state;
FIG. 9 is a schematic diagram of a prior art circuit card extraction apparatus;
fig. 10 is a schematic diagram of a circuit card in the prior art.
101-pulling up a handle, 102-a pin shaft, 103-a sliding block, 104-a spring sheet, 105-a mounting seat, 106-a loose and loose screw, 201-a panel, 202-a circuit module, 203-a connector and 300-a box body.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples with reference to fig. 1 to 10.
As shown in fig. 1-2, the plugging and self-locking device comprises a pulling handle 101, a pin 102, a slider 103, a spring plate 104, a mounting seat 105 and a release screw 106.
The pulling handle 101 is provided with a shell and a handle which are integrally formed by metal, the handle of the pulling handle 101 is arranged at the rear end of the shell close to the side edge, the extending direction of the handle is parallel to the fixed surface of the plugging and pulling and self-locking device, and the tail part of the handle is bent towards the bottom, so that the pulling operation by one hand is facilitated; a sliding block fixing groove is formed in the inner side of the rear end of the shell, and a concave clamping falcon is arranged at the bottom of the sliding block fixing groove; grooves are arranged on the left side and the right side of the front end of the shell; a shell of the pulling handle 101 is coated on the outer side of the top of the mounting seat 105, and first symmetrical through holes are formed in the left side and the right side of the shell and used for mounting the pin shaft 102; the shell is further provided with two yielding holes for yielding the sliding block 103 and the release screw 106.
The bottom structure of the mounting seat 105 is a standard VPX extraction aid interface; a screw mounting hole is formed in the front of the top of the mounting seat 105 according to the VPX extraction aid standard and used for mounting a loose screw 106; the middle of the top is provided with a groove for mounting the spring piece 104; the left side and the right side of the groove are provided with second through holes matched with the first through holes on the pulling handle 101 and used for installing the pin shafts 102; a slide way is arranged at the rear part of the top of the mounting seat 105 and adjacent to the groove, and the sliding direction of the slide way is vertical to the pin shaft 102 and is used for mounting the sliding block 103.
The bottom of the sliding block 103 is provided with a sliding chute matched with the sliding way and arranged at the sliding way at the top of the mounting seat 105; the top of the handle is provided with a boss for limiting the sliding block 103 when the pull-up handle 101 is pressed down; the boss is shaped to match the slider fixing groove for fixing the pull-up handle 101 in the locked state.
The spring piece 104 is a U-shaped spring piece and is arranged in a groove at the top of the mounting seat 105; the spring plate 104 is shorter on the side close to the slider 103 and longer on the side away from the slider 103, and the longer side is pressed on the top of the slider 103 by pulling up the handle 101.
The pin 102 penetrates through the first through hole of the pulling handle 101 and the second through hole of the mounting seat 105 to connect the pulling handle 101 and the mounting seat 105 together.
A release screw 106 is disposed in the screw mounting hole of the mounting block 105.
As shown in fig. 3, the present invention further provides a circuit plug-in unit with a novel plugging and self-locking device, which comprises a panel 201, a circuit module 202 and a connector 203; the front side of the circuit module 202 is provided with a panel 201, and the back side is provided with a connector 203; the two ends of the panel 201 are respectively provided with a plugging device and a self-locking device, the two plugging devices are used in cooperation on the circuit plug-in unit, and the two points are unplugged, so that the connector 203 is uniformly stressed when the circuit plug-in unit is plugged in.
As shown in fig. 4, the utility model also provides a case with a novel plugging and self-locking device, which comprises a circuit plug-in unit and a case body 300; the circuit plug-in comprises a plugging and self-locking device; the circuit card can be inserted and extracted integrally into and from the case 300.
As shown in the attached drawings 5-6, the locking principle process of the plug and self-locking device of the utility model is as follows: when a circuit plug-in is inserted into the box body 300, firstly, the sliding block 103 of the plugging and self-locking device is pressed, at the moment, the pulling handle 101 is naturally bounced off around the pin shaft 102 under the action of the spring leaf 104, then, the circuit plug-in is inserted into the box body 300 along the guide rail of the case, when the top groove of the pulling handle 101 is clamped below the notch of the side wall of the case, the end part of the pulling handle 101 is pressed down by hand, the pulling handle 101 rotates around the pin shaft 102, meanwhile, the notch of the side wall of the box body 300 is used as a fulcrum, the circuit plug-in is integrally pressed into the case, the two plugging and self-locking devices are matched for use on the circuit plug-in, the two-point pulling is carried; when the pulling handle 101 is parallel to the surface of the circuit plug-in board 201, the boss of the slider 103 is clamped in the groove inside the pulling handle 101 under the action of the spring piece 104, the plugging and self-locking device realizes self-locking, and then the non-detachable screw 106 is screwed down to fix the circuit plug-in on the box body 300.
As shown in fig. 7-8, when the circuit card is pulled out from the box 300, the release screw 106 is firstly screwed out of the threaded hole of the box 300, then the slider 103 is pressed by hand, the boss of the slider 103 is pushed out of the groove of the pull-up handle 101, the pull-up handle 101 is naturally popped out around the pin 102 by the restoring force of the spring leaf 104, the end of the pull-up handle 101 is lifted by hand, and the notch on the side wall of the box 300 is used as a fulcrum to pull the circuit card out from the chassis.
As shown in fig. 9-10, the handle of the pulling device in the prior art is short and not easy to pull, the pulling device is made of plastic and is easily damaged, and the distance of the pulling device from the circuit card panel is long, which affects the space utilization rate of the box 300. The utility model discloses in novel plug and self-lock device adopts the all metal material, compares with the pull-out device among the prior art, changes the installation cooperation structure of circuit plug-in components and handle, increases the length of pulling out handle 101, reduces and pulls out handle tip handle width, when reducing circuit plug-in components pull-out force, guarantees that the electronic components available area on the plug-in components front panel is unchangeable. The upper and lower plugging devices are matched with each other for use on the circuit plug-in unit, and the two-point plugging ensures that the connector 203 is stressed uniformly when the circuit plug-in unit is plugged in. When the circuit plug-in is completely inserted into the chassis and locked, the pulling handle 101 is parallel to the plug-in panel, so that the size of the circuit plug-in the depth direction is reduced, and the space in the chassis 300 is saved.
Although the present invention has been described in connection with the preferred embodiments, the embodiments are not intended to limit the present invention. Any equivalent changes or modifications made without departing from the spirit and scope of the present invention also belong to the protection scope of the present invention. The scope of protection of the invention should therefore be determined with reference to the claims that follow.
Claims (7)
1. The plugging and self-locking device is characterized by comprising a pulling handle (101), a pin shaft (102), a sliding block (103), a spring plate (104), a mounting seat (105) and a loose and loose screw (106);
the pulling handle (101) is provided with a shell covering the top of the mounting seat (105) and a handle connected with the shell, the structure of the shell is matched with the mounting seat (105), and the left side and the right side of the shell are provided with first through holes;
the bottom structure of the mounting seat (105) is a standard VPX extraction aid interface, a groove is formed in the middle of the top of the mounting seat, second through holes matched with the first through holes in the shell of the extraction handle (101) are formed in the left side and the right side of the groove, and a slide way is arranged at the rear of the top of the mounting seat (105) and adjacent to the groove;
the bottom of the sliding block (103) is provided with a sliding chute matched with the sliding way, and the top of the sliding block is provided with a boss;
the spring piece (104) is a U-shaped spring piece and is arranged in the groove;
the pin shaft (102) penetrates through the first through hole and the second through hole in the pulling handle (101) and the mounting seat (105) to connect the pulling handle (101) and the mounting seat (105) together;
the release screw (106) is disposed in the mount (105).
2. The connect-disconnect and self-locking device according to claim 1, wherein the handle is disposed at a side of the housing, and the handle extends in a direction parallel to the fixing surface of the connect-disconnect and self-locking device.
3. The plugging and self-locking device according to claim 1, wherein a slider fixing groove is formed on the inner side of the rear end of the pulling handle (101); the shape of the boss is matched with that of the sliding block fixing groove.
4. The connect-disconnect and self-lock device according to claim 1, wherein the spring plate (104) is shorter on the side close to the slider (103) and longer on the side away from the slider (103), and the longer side is pressed against the top of the slider (103) by the lift handle (101).
5. The connect-disconnect and self-lock device of claim 1, wherein said handle tail is curved toward the bottom.
6. A circuit card provided with the plugging and self-locking device according to claims 1 to 5, characterized in that the circuit card comprises a panel (201), a circuit module (202) and a connector (203); the front side of the circuit module (202) is provided with the panel (201), and the back side is provided with the connector (203); the two ends of the panel (201) are respectively provided with a plugging and self-locking device.
7. A housing for a circuit card according to claim 6, characterized in that it comprises the circuit card and a casing (300); the circuit plug-in comprises a plugging and self-locking device; the circuit plug-in unit can be integrally inserted into and pulled out of the box body (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022327240.6U CN213210899U (en) | 2020-10-19 | 2020-10-19 | Plug-in and self-locking device, circuit plug-in unit with same and case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022327240.6U CN213210899U (en) | 2020-10-19 | 2020-10-19 | Plug-in and self-locking device, circuit plug-in unit with same and case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213210899U true CN213210899U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022327240.6U Active CN213210899U (en) | 2020-10-19 | 2020-10-19 | Plug-in and self-locking device, circuit plug-in unit with same and case |
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|---|---|
| CN (1) | CN213210899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114571405A (en) * | 2022-04-02 | 2022-06-03 | 江苏华创微系统有限公司 | Self-locking extractor for ship-borne and ground electronic modules |
-
2020
- 2020-10-19 CN CN202022327240.6U patent/CN213210899U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114571405A (en) * | 2022-04-02 | 2022-06-03 | 江苏华创微系统有限公司 | Self-locking extractor for ship-borne and ground electronic modules |
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