CN210247146U

CN210247146U - Two-sided thermoelectric separation PCB board

Info

Publication number: CN210247146U
Application number: CN201921047064.1U
Authority: CN
Inventors: Yuhao Zhu; 朱育浩
Original assignee: Guangzhou Zhixin Electronic Co ltd
Current assignee: Guangzhou Zhixin Electronic Co ltd
Priority date: 2019-07-06
Filing date: 2019-07-06
Publication date: 2020-04-03
Anticipated expiration: 2029-07-06

Abstract

The utility model discloses a double-sided thermoelectric separation PCB, which comprises a PCB main body, wherein a plurality of connecting holes are arranged on the PCB main body, the PCB main body is fixed with fixed blocks which are in one-to-one correspondence with the connecting holes, the fixed blocks are internally provided with sliding chutes, a sliding block is arranged in the sliding groove, the sliding block is matched with the sliding groove in a sliding way along the axial direction of the connecting hole relative to the sliding groove, a communicating groove communicated with the sliding groove is arranged on the side surface of the fixing block facing to the axis of the connecting hole, a connecting rod extending out of the communicating groove is fixed on the sliding block, one end of the connecting rod far away from the sliding block is arranged above the connecting hole, one end of the connecting rod, which is far away from the sliding block, is connected with a locking screw rod, one end of the locking screw rod is rotatably connected with the connecting rod, the other end of the locking screw rod is inserted in the connecting hole, be equipped with reset spring in the spout, reset spring's one end and the lower inner wall butt of spout, the downside butt of the other end and slider. The utility model discloses a series of structures make this device have and avoid locking screw characteristics such as drop.

Description

Two-sided thermoelectric separation PCB board

Technical Field

The utility model relates to a PCB board technical field specifically is a two-sided thermoelectric separation PCB board.

Background

A PCB, i.e., a printed circuit board, also called a PCB, is a provider of electrical connection of electronic components. The PCB is mainly designed by a layout design, has the main advantages of greatly reducing errors of wiring and assembly and improving the automation level and the production labor rate, is cut into a certain size by taking an insulating plate as a base material, is provided with at least one conductive pattern and is provided with holes, and is used for replacing a chassis of an electronic component of the prior device and realizing the interconnection of the electronic component.

The existing PCB is usually provided with a connecting hole, and a locking screw rod usually penetrates through the connecting hole to be connected with other parts, so that the PCB is fixed, but the locking screw rod needs to be taken down when the PCB needs to be repaired or replaced, but the locking screw rod is small and is easy to lose after being taken down.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's locking screw and losing the defect easily after taking off, provide a two-sided thermoelectric separation PCB board. The double-sided thermoelectric separation PCB has the advantages that the locking screw is prevented from being lost, and the like.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a two-sided thermal electric separation PCB board, includes the PCB board main part, is equipped with a plurality of connecting holes in the PCB board main part, be fixed with the fixed block with the connecting hole one-to-one in the PCB board main part, be equipped with the spout in the fixed block, install the slider in the spout, the relative spout of slider is followed the connecting hole axial and is slided the cooperation, the fixed block is equipped with the intercommunication groove with the spout intercommunication towards the side of connecting hole axis, be fixed with the connecting rod that extends the intercommunication groove on the slider, the one end setting that the slider was kept away from to the connecting rod is in the top of connecting hole, the one end that the slider was kept away from to the connecting rod is connected with locking.

Preferably, be equipped with reset spring in the spout, reset spring's one end and the lower inner wall butt of spout, the downside butt of the other end and slider.

Preferably, one end of the connecting rod, which is far away from the sliding block, is provided with a rotating hole, the upper end of the locking screw rod is fixed with a rotating shaft, and the upper end of the rotating shaft extends out of the rotating hole and is fixed with a limiting plate.

Preferably, the upper side surface of the limiting plate is provided with a cross groove.

Preferably, the diameter of the coupling hole is larger than the diameter of the locking screw.

Preferably, the sliding groove penetrates through the upper side face of the fixing block, and a cover plate is arranged on the upper side face of the fixing block.

Preferably, the cover plate is provided with a first fixing bolt and a second fixing bolt in a penetrating mode, and the first fixing bolt and the second fixing bolt are both in threaded connection with the upper end of the fixing block.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a locking screw is connected with the connecting rod, be connected connecting rod and slider again, thereby connect locking screw in the PCB board main part, the dropping of locking screw has been avoided, when the PCB board main part need with other part, only need aim at the internal thread hole that needs adapting unit with locking screw, then rotate locking screw, locking screw is gradual twist internal thread hole in-process slider also moves down, until the lower inner wall butt of connecting rod and spread groove, thereby it is fixed with the part that the PCB board main part is connected with needs.

Drawings

FIG. 1 is a three-dimensional structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at I;

fig. 3 is a cross-sectional view of fig. 2.

Reference numbers in the figures: 1. a limiting plate; 2. a rotating shaft; 3. a communicating groove; 4. a cover plate; 5. a chute; 6. a slider; 7. a return spring; 8. a fixed block; 9. a PCB board main body; 10. connecting holes; 11. locking the screw rod; 12. a cross groove; 13. a first fixing bolt; 14. a second fixing bolt; 15. a connecting rod.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a double-sided thermoelectric separation PCB comprises a PCB main body 9, a plurality of connecting holes 10 are arranged on the PCB main body 9, fixed blocks 8 which correspond to the connecting holes 10 one by one are fixed on the PCB main body 9, sliding grooves 5 are arranged in the fixed blocks 8, sliding blocks 6 are installed in the sliding grooves 5, the sliding blocks 6 are in sliding fit with the sliding grooves 5 along the axial direction of the connecting holes 10, a communicating groove 3 communicated with the sliding grooves 5 is arranged on the side face, facing the axis of the connecting holes 10, of the fixed blocks 8, connecting rods 15 extending out of the communicating grooves 3 are fixed on the sliding blocks 6, one ends, far away from the sliding blocks 6, of the connecting rods 15 are arranged above the connecting holes 10, one ends, far away from the sliding blocks 6, of the connecting rods 15 are connected with locking screw rods 11, one ends of the locking screw rods 11 are rotatably connected with the connecting rods 15, the other ends are spliced with the connecting holes, the locking screw 11 is connected with the PCB main body 9, and the falling of the locking screw 11 is avoided.

As shown in fig. 3, be equipped with reset spring 7 in the spout 5, the one end of reset spring 7 and the lower inner wall butt of spout 5, the other end and the downside butt of slider 6, when reset spring 7 was in the original length state, the lower extreme of locking screw 11 was higher than the downside of PCB board main part 9, the one end that slider 6 was kept away from to connecting rod 15 was equipped with the rotation hole, the upper end of locking screw 11 is fixed with pivot 2, the upper end of pivot 2 extends the rotation hole and is fixed with limiting plate 1, thereby realize that locking screw 11 rotates 15 relative connecting rod 15.

In order to facilitate the screwdriver to rotate the limiting plate 1, the upper side surface of the limiting plate 1 is provided with a cross-shaped groove 12.

The spout 5 runs through the side of going up of fixed block 8, and the side of going up of fixed block 8 is equipped with apron 4, wears to be equipped with first fixing bolt 13 and second fixing bolt 14 on the apron 4, first fixing bolt 13 and second fixing bolt 14 all with the upper end threaded connection of fixed block 8 to can realize apron 4 and fixed block 8 can dismantle, make things convenient for the installation and the dismantlement of slider 6.

The working principle is as follows: when the utility model is used, the locking screw 11 is connected with the slide block 6 through the connecting rod 15, and the slide block 6 is limited in the chute 5, so the locking screw 11 can not fall off from the PCB main body 9; when the PCB main body 9 needs to be connected with an internal thread hole of a component needing to be connected, the locking screw 11 is aligned with the internal thread hole, then the locking screw 11 is pressed down by a cross screwdriver, the reset spring 7 is in a compression state at the moment, then the limiting plate 1 is rotated to gradually screw the locking screw 11 into the internal thread hole, the locking screw 11 rotates relative to the connecting rod 15 in the screwing process, the sliding block 6 also moves downwards at the same time until the connecting rod 15 is abutted against the lower inner wall of the communicating groove 3, and at the moment, the PCB main body 9 is fixed with the component needing to be connected.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two-sided thermoelectric separation PCB board, includes PCB board main part (9), is equipped with a plurality of connecting holes (10) on PCB board main part (9), its characterized in that: the PCB main body (9) is fixed with fixing blocks (8) which are in one-to-one correspondence with the connecting holes (10), a sliding chute (5) is arranged in the fixed block (8), a sliding block (6) is arranged in the sliding chute (5), the sliding block (6) is matched with the sliding groove (5) in a sliding way along the axial direction of the connecting hole (10), the side surface of the fixed block (8) facing the axis of the connecting hole (10) is provided with a communicating groove (3) communicated with the sliding groove (5), a connecting rod (15) extending out of the communicating groove (3) is fixed on the sliding block (6), one end of the connecting rod (15) far away from the sliding block (6) is arranged above the connecting hole (10), one end of the connecting rod (15) far away from the sliding block (6) is connected with a locking screw rod (11), one end of the locking screw rod (11) is rotatably connected with the connecting rod (15), and the other end of the locking screw rod is inserted into the connecting hole (10).

2. A double-sided thermoelectric separation PCB as in claim 1 wherein: be equipped with reset spring (7) in spout (5), the lower inner wall butt of one end and spout (5) of reset spring (7), the downside butt of the other end and slider (6).

3. A double-sided thermoelectric separation PCB as in claim 1 wherein: the one end that slider (6) was kept away from in connecting rod (15) is equipped with the rotation hole, the upper end of locking screw (11) is fixed with pivot (2), the upper end of pivot (2) extends and rotates the hole and is fixed with limiting plate (1).

4. A double-sided thermoelectric separation PCB as in claim 3 wherein: the upper side surface of the limiting plate (1) is provided with a cross groove (12).

5. A double-sided thermoelectric separation PCB as in claim 1 wherein: the diameter of the connecting hole (10) is larger than that of the locking screw rod (11).

6. A double-sided thermoelectric separation PCB as in claim 1 wherein: the sliding groove (5) penetrates through the upper side face of the fixing block (8), and a cover plate (4) is arranged on the upper side face of the fixing block (8).

7. A double-sided thermoelectric separation PCB as in claim 6 wherein: the cover plate (4) is provided with a first fixing bolt (13) and a second fixing bolt (14) in a penetrating mode, and the first fixing bolt (13) and the second fixing bolt (14) are both in threaded connection with the upper end of the fixing block (8).