CN212638415U

CN212638415U - Switching power supply screw locking device

Info

Publication number: CN212638415U
Application number: CN202020450116.6U
Authority: CN
Inventors: 周永彬; 宋大斌; 朱家英
Original assignee: Sichuan Gangqi Electronics Co ltd
Current assignee: Sichuan Gangqi Electronics Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2021-03-02
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses a switching power supply screw lock attaches device, comprises a box bod and a box cover, fixedly connected with limiting plate on the box body inner wall, box body bottom fixedly connected with mount pad, it is connected with the head rod to rotate on the mount pad, the head rod runs through the box body lateral wall, the head rod is located the inside one end of box body and rotates and be connected with the second connecting rod, the one end that the head rod was kept away from to the second connecting rod runs through limiting plate and fixedly connected with fly leaf, two first gag lever posts of fixedly connected with in fly leaf bottom, two the limiting plate is also run through to first gag lever post, a plurality of dead levers of fixedly connected with in fly leaf upper end, every the dead lever upper end all supports first silica gel pad. The device can prevent the damage caused by the direct collision friction of the special screws and the box body, has better fixed protection effect, can fix and protect various screws, and is more convenient to use.

Description

Switching power supply screw locking device

Technical Field

The utility model relates to a screw fixation technical field especially relates to a switching power supply screw lock attaches device.

Background

At present, screws of specific types are required to be used for locking and fixing in the assembling process of some complicated switching power supplies. Traditional screw receiver can't wrap up the screw of these models and accomodate, leads to the unable fixed lock of screw in the transportation to attach in the receiver, and the fixed effect of follow-up assembly is probably influenced to the friction and collision takes place in the transportation, and it is inconvenient to use.

Therefore, a switching power supply screw locking device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art, and providing a switching power supply screw locking attaches device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a switch power supply screw locking device comprises a box body and a box cover, wherein a limiting plate is fixedly connected to the inner wall of the box body, a mounting seat is fixedly connected to the bottom of the box body, a first connecting rod is rotatably connected to the mounting seat and penetrates through the side wall of the box body, a second connecting rod is rotatably connected to one end, located inside the box body, of the first connecting rod, one end, away from the first connecting rod, of the second connecting rod penetrates through the limiting plate and is fixedly connected with a movable plate, two first limiting rods are fixedly connected to the bottom end of the movable plate and also penetrate through the limiting plate, a plurality of fixed rods are fixedly connected to the upper end of the movable plate, a first silica gel pad is supported at the upper end of each fixed rod, a first groove matched with the fixed rod is formed at the bottom end of each first silica gel pad, a second groove is formed at the, the box body is connected with two second silica gel pads through drive mechanism on the lateral wall, a plurality of fixed slots have been seted up to second silica gel pad inside correspondence, and the fixed slot all is located first silica gel pad directly over.

Preferably, drive mechanism includes connecting block, second gag lever post, the first seat that rotates, threaded rod, second and rotates seat, worm wheel and worm, every the equal fixedly connected with connecting block in both sides of second silica gel pad is located two with one side the inside second gag lever post that is connected with jointly of connecting block keeps away from the common threaded connection of two connecting blocks of second gag lever post one side has the threaded rod, the threaded rod both ends are all rotated and are connected on fixing the first seat that rotates on the box body lateral wall, and two the threaded connection mode of connecting block and threaded rod is opposite, it is equipped with a worm wheel still to overlap on the threaded rod, it rotates the seat still to be equipped with the second on the limiting plate, the second rotates and is connected with the worm on the seat, and worm wheel meshing.

Preferably, the second groove comprises a circular groove, a hexagonal groove and a rectangular groove, and the size of the fixing groove is the same as that of the first silicone rubber pad.

Preferably, one end of the first connecting rod, which is located outside the box body, is fixedly connected with a pressing block, and a pressing groove is formed in the surface of the pressing block.

Preferably, the limiting plate is provided with a through hole used for matching the first limiting rod and the second connecting rod.

Preferably, the limiting plate and the box body are of an integrally formed structure.

The utility model discloses in, make the special screw fixation of second silica gel pad on with first silica gel pad through setting up the fixed slot the same with first silica gel pad size, the elastic action of first silica gel pad can prevent that special screw and box body direct collision from rubbing and causing the damage, and fixed protection effect is better, and can fix the multiple screw of protection, and it is more convenient to use.

Drawings

Fig. 1 is a schematic structural view of a switching power supply screw locking device according to the present invention.

Fig. 2 is a top view of the second silicone pad of the switching power supply screw locking device provided by the present invention.

In the figure: the box comprises a box body 1, a box cover 2, a limiting plate 3, a mounting seat 4, a first connecting rod 5, a second connecting rod 6, a movable plate 7, a first limiting rod 8, a fixing rod 9, a first silica gel pad 10, a first groove 11, a second groove 12, a second silica gel pad 13, a fixing groove 14, a connecting block 15, a first rotating seat 16, a threaded rod 17, a second limiting rod 18, a worm wheel 19, a worm 20, a second rotating seat 21 and a pressing block 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a switching power supply screw locking device comprises a box body 1 and a box cover 2, wherein a limiting plate 3 is fixedly connected to the inner wall of the box body 1, the limiting plate 3 and the box body 1 are of an integrally formed structure, an installation seat 4 is fixedly connected to the bottom of the box body 1, a first connecting rod 5 is rotatably connected to the installation seat 4, the first connecting rod 5 penetrates through the side wall of the box body 1, a pressing block 22 is fixedly connected to one end of the first connecting rod 5, which is positioned outside the box body 1, a pressing groove is formed in the surface of the pressing block 22, which facilitates the pressing of the first connecting rod 5, the use is more convenient, one end of the first connecting rod 5, which is positioned inside the box body 1, is rotatably connected with a second connecting rod 6, one end of the second connecting rod 6, which is far away from the first connecting rod 5, penetrates through the limiting plate 3 and is, set up the through-hole that cooperates first gag lever post 8 and second connecting rod 6 to use on the limiting plate 3, frictional resistance between first gag lever post 8 and second connecting rod 6 and limiting plate 3 when reducing fly leaf 7 motion, a plurality of dead levers 9 of fly leaf 7 upper end fixedly connected with, every dead lever 9 upper end has all supported first silica gel pad 10, the first recess 11 that cooperates dead lever 9 to use is all seted up to every first silica gel pad 10 bottom, second recess 12 has all been seted up on every first silica gel pad 10 top, second recess 12 includes the circular recess, hexagonal groove and rectangular channel, the size of fixed slot 14 is the same with the size of first silica gel pad 10, can fix the special screw of multiple shape, the fixed slot 14 of being convenient for of the same size and the block of first silica gel pad 10, fixed effect is better.

In the utility model, the side wall of the box body 1 is connected with two second silica gel pads 13 through a transmission mechanism, the transmission mechanism comprises a connecting block 15, a second limiting rod 18, a first rotating seat 16, a threaded rod 17, a second rotating seat 21, a worm wheel 19 and a worm 20, both sides of each second silica gel pad 13 are fixedly connected with one connecting block 15, the two connecting blocks 15 positioned at the same side are internally and jointly connected with one second limiting rod 18, the two connecting blocks 15 far away from one side of the second limiting rod 18 are jointly in threaded connection with the threaded rod 17, both ends of the threaded rod 17 are rotationally connected on the first rotating seat 16 fixed on the side wall of the box body 1, the threaded connection modes of the two connecting blocks 15 and the threaded rod 17 are opposite, the threaded rod 17 is also sheathed with one worm wheel 19, the limiting plate 3 is also provided with the second rotating seat 21, the second rotating seat 21 is rotationally connected with the worm 20, and the worm 20, a plurality of fixing grooves 14 are correspondingly formed in the second silica gel pad 13, and the fixing grooves 14 are located right above the first silica gel pad 10.

In the utility model, when the device is used, a special screw is firstly placed inside the second groove 12 at the upper end of the first silica gel pad 10 by using a tool, and the pressing block 22 is pressed to drive the first connecting rod 5 to rotate along the mounting seat 4 due to the various shapes of the second groove 12, so that one end of the first connecting rod 5 pushes the second connecting rod 6 and the movable plate 7 to move upwards, and the movable plate 7 drives the first silica gel pad 10 to vertically ascend along the through hole on the limiting plate 3 due to the limiting effect of the two first limiting rods 8; when the first silica gel pad 10 rises to the same height as the fixed groove 14, the worm 20 is rotated, the worm 20 rotates to drive the worm wheel 19 to rotate, the threaded rod 17 is driven to rotate, under the limiting effect of the second limiting rod 18, the two second silica gel pads 13 in opposite threaded connection modes move oppositely, after the bottom ends of the fixed grooves 14 in the second silica gel pads 13 are initially contacted with the first silica gel pad 10, the fixed grooves 14 start to clamp the edge of the first silica gel pad 10 due to the fact that the size of the fixed grooves 14 is the same as that of the first silica gel pad 10, the pressing block 22 is lifted, the movable plate 7 drives the fixed rod 9 to descend, the worm 20 continues to rotate, the two second silica gel pads 13 continue to move oppositely, the fixed grooves 14 completely fix the first silica gel pad 10, and the second silica gel pads 13 can store and protect special screws.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A switching power supply screw locking device comprises a box body (1) and a box cover (2), and is characterized in that a limiting plate (3) is fixedly connected to the inner wall of the box body (1), a mounting seat (4) is fixedly connected to the bottom of the box body (1), a first connecting rod (5) is rotatably connected to the mounting seat (4), the first connecting rod (5) penetrates through the side wall of the box body (1), a second connecting rod (6) is rotatably connected to one end, located inside the box body (1), of the first connecting rod (5), a movable plate (7) is fixedly connected to one end, away from the first connecting rod (5), of the second connecting rod (6) penetrates through the limiting plate (3), two first limiting rods (8) are fixedly connected to the bottom of the movable plate (7), the first limiting rods (8) also penetrate through the limiting plate (3), and a plurality of fixing rods (9) are fixedly connected to the upper end of the movable plate (, every dead lever (9) upper end has all supported first silica gel pad (10), every first recess (11), every that cooperation dead lever (9) used are all seted up to first silica gel pad (10) bottom second recess (12) have all been seted up on first silica gel pad (10) top, be connected with two second silica gel pads (13) through drive mechanism on box body (1) lateral wall, a plurality of fixed slots (14) have been seted up to second silica gel pad (13) inside correspondence, and fixed slot (14) all are located first silica gel pad (10) directly over.

2. The screw locking device for the switching power supply according to claim 1, wherein the transmission mechanism comprises a connecting block (15), a second limiting rod (18), a first rotating seat (16), a threaded rod (17), a second rotating seat (21), a worm wheel (19) and a worm (20), two sides of each second silica gel pad (13) are fixedly connected with one connecting block (15), two connecting blocks (15) positioned on the same side are internally and jointly connected with one second limiting rod (18), two connecting blocks (15) far away from one side of the second limiting rod (18) are jointly and threadedly connected with the threaded rod (17), two ends of the threaded rod (17) are rotatably connected to the first rotating seat (16) fixed on the side wall of the box body (1), and the threaded connection modes of the two connecting blocks (15) and the threaded rod (17) are opposite, still the cover is equipped with a worm wheel (19) on threaded rod (17), it rotates seat (21) still to be equipped with the second on limiting plate (3), the second rotates and be connected with worm (20) on seat (21), and worm (20) and worm wheel (19) meshing.

3. A switching power supply screw locking device according to claim 1, wherein the second groove (12) comprises a circular groove, a hexagonal groove and a rectangular groove, and the size of the fixing groove (14) is the same as that of the first silicone rubber pad (10).

4. The switching power supply screw locking device according to claim 1, wherein a pressing block (22) is fixedly connected to one end of the first connecting rod (5) located outside the box body (1), and a pressing groove is formed in a surface of the pressing block (22).

5. The switching power supply screw locking device according to claim 1, wherein the limiting plate (3) is provided with a through hole for matching with the first limiting rod (8) and the second connecting rod (6).

6. The switching power supply screw locking device according to claim 1, wherein the limiting plate (3) and the box body (1) are of an integrally formed structure.