CN210668734U

CN210668734U - Grounding device

Info

Publication number: CN210668734U
Application number: CN201922116080.8U
Authority: CN
Inventors: 邹楠
Original assignee: Shenzhen Konka Electronic Technology Co Ltd
Current assignee: Shenzhen Konka Electronic Technology Co Ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-06-02
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a grounding device, include: the clamping assembly is used for fixing the grounding elastic sheet; the clamping assembly penetrates through the grounding elastic sheet, the PCB and the lead on the PCB and fixedly connects the grounding elastic sheet, the PCB and the lead on the PCB; the bottom of the grounding elastic sheet is contacted with a grounding position and is used for supporting the PCB and the lead on the PCB. The utility model discloses a set up ground connection shell fragment and block subassembly, utilize ground connection shell fragment and block subassembly with PCB board and ground connection position in close contact with, avoided the not hard up phenomenon of ground connection department, also simplified the installation procedure of ground connection processing simultaneously, improved the efficiency of PCB board ground connection processing.

Description

Grounding device

Technical Field

The utility model relates to a PCB board application, more specifically say, it relates to is a grounding device.

Background

In the installation process of the PCB, grounding treatment is needed, the two grounding modes used at present are mainly the mode of pasting conductive foam, one mode is the mode of pasting the conductive foam, the grounding mode needs to use the conductive foam to connect the grounding position of the PCB with the grounding position, but the position of the conductive foam is difficult to control during production and processing, and the problems of poor grounding, foam displacement and foam falling are easy to occur; the other method is a method of welding a grounding elastic sheet, and this grounding method needs to weld a conductive foam or a metal grounding sheet on a PCB board so that the conductive foam or the metal grounding sheet is not easily displaced.

Therefore, the prior art still needs to be improved and developed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a grounding device aims at realizing PCB board and the firm contact of ground connection position through setting up grounding device, simplifies production manufacturing procedure, improves the efficiency that PCB ground connection was handled.

The utility model provides a technical scheme that technical problem adopted as follows:

the utility model provides a grounding device, wherein, include: the clamping assembly is used for fixing the grounding elastic sheet; the clamping assembly penetrates through the grounding elastic sheet, the PCB and the lead on the PCB and fixedly connects the grounding elastic sheet, the PCB and the lead on the PCB; the bottom of the grounding elastic sheet is contacted with a grounding position and is used for supporting the PCB and the lead on the PCB.

Further, the snap assembly includes: the buckle is a nail-shaped buckle, and the spring is sleeved on the rod in the middle of the buckle.

Further, the buckle includes: male terminals, poles, and caps; the male terminal, the pole and the cap are integrally formed.

Further, the male terminal is in a circular truncated cone shape; the side face of the buckle is provided with a square groove, and the square groove penetrates from one side of the buckle to the other side.

Further, the buckle is made of elastic materials, and when the side face of the buckle is pressed, the square groove is in a concave state.

Further, the diameter of the top of the male terminal is smaller than the diameter of the rod, and the diameter of the bottom of the male terminal is larger than the diameter of the rod.

Further, the ground spring piece includes: the grounding device comprises a wire contact block, a supporting block and a grounding position contact block; the wire contact block, the supporting block and the grounding position contact block are integrally formed.

Further, a round hole is formed in the surface of the wire contact block, and the diameter of the round hole is matched with that of the rod.

Further, the diameter of the round hole is the same as that of the fixing hole in the PCB; and the diameter of the round hole is the same as that of the fixing hole on the PCB wire.

Furthermore, the grounding elastic sheet is a metal elastic sheet.

The utility model discloses the technical scheme who adopts has following beneficial effect:

the utility model discloses a set up ground connection shell fragment and block subassembly, utilize ground connection shell fragment and block subassembly with PCB board and ground connection position in close contact with, avoided the not hard up phenomenon of ground connection department, also simplified the installation procedure of ground connection processing simultaneously, improved the efficiency of PCB board ground connection processing.

Drawings

Fig. 1 is a schematic structural diagram of a conventional PCB grounding device.

Fig. 2 is a schematic structural diagram of the middle grounding device of the present invention.

Fig. 3 is a schematic structural diagram of the middle grounding spring of the present invention.

Fig. 4 is a schematic structural diagram of the middle engaging component of the present invention.

In the figure: 10. a PCB board; 11. connecting a ground position; 12. a wire; 13. conductive foam; 14. a conductive adhesive; 20. a grounding elastic sheet; 21. clamping the assembly; 31. a wire contact block; 32. a support block; 33. a ground contact block; 34. a circular hole; 51. a male terminal; 52. a rod; 53. a cap; 54. a spring; 55. a square groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

The first embodiment is as follows:

as shown in fig. 1, in the existing grounding method of the PCB 10, a method of attaching a conductive foam 13 is adopted, and the grounding method needs to connect a conductive line 12 of the PCB 10 with a ground 11 by using the conductive foam 13, and then a conductive adhesive 14 is coated between the conductive line 12 and the conductive foam 13, so that the conductive foam 13 is fixed on the conductive line 12; however, during production and processing, it is difficult to control the position of the conductive foam 13, and problems such as poor grounding, foam displacement, and foam falling are likely to occur.

In order to solve the problem that poor grounding is easy to occur, the present embodiment provides a grounding device to realize stable contact between the PCB 10 and the grounding location 11, and simplify the production process, thereby improving the grounding processing efficiency of the PCB 10.

As shown in fig. 2, the grounding device of the present embodiment includes: a grounding spring piece 20 and a clamping component 21; the grounding elastic sheet 20 is used for contacting with a grounding position 11 (namely, a ground wire), so that the function of electric conduction is realized; the clamping component 21 is used for fixing the grounding elastic sheet 20 on the lead 12 of the PCB 10; when the grounding is performed, the clamping assembly 21 penetrates through the grounding elastic sheet 20, the PCB 10 and the lead 12, and fixedly connects the grounding elastic sheet 20, the PCB 10 and the lead 12; the top of the grounding elastic sheet 20 is fixedly connected with the PCB 10 and the wire 12, and the bottom of the grounding elastic sheet 20 is in contact with the ground 11, so that the grounding elastic sheet can be used for guiding the current in the wire 12 into the ground 11 and supporting the PCB 10 and the wire 12.

In this embodiment, the grounding elastic sheet 20, the PCB 10 and the conductive wire 12 are fixedly connected by the engaging assembly 21, so that the grounding elastic sheet 20 is not easy to fall off; meanwhile, the supporting and conducting functions of the grounding elastic sheet 20 are utilized, so that the conducting wire is conducted, and meanwhile, the grounding elastic sheet 20 is in close contact with the grounding position 11, and the phenomena of looseness and poor contact are not easy to occur.

It should be noted that, in order to enable the clamping assembly 21 to fix the grounding elastic sheet 20 on the PCB 10, in this embodiment, hole sites with the same diameter are disposed on the grounding elastic sheet 20, the wire 12 and the PCB 10, and the diameter of the hole sites is adapted to the diameter of the clamping assembly 21, when the grounding elastic sheet 20 is fixed, the clamping assembly 21 passes through the hole sites on the grounding elastic sheet 20, the wire 12 and the PCB 10, and fixedly connects the grounding elastic sheet 20, the wire 12 and the PCB 10.

Specifically, as shown in fig. 4, in the present embodiment, the engaging member 21 includes: a snap (not labeled) and a spring 54; the buckle is a nail-shaped buckle (i.e. a nail-shaped buckle) and comprises a male terminal 51, a rod 52 and a cap 53, wherein the male terminal 51, the rod 52 and the cap 53 are integrally formed; the male terminal 51 is in a circular truncated cone shape, and the diameter of the top of the male terminal is smaller than that of the bottom of the male terminal; the male terminal 51 is arranged at the top of the buckle and can be used for being clamped with a hole on the PCB 10 when the grounding elastic sheet 20 is fixed, so that the grounding elastic sheet 20 is prevented from falling off; the rod 52 is arranged in the middle of the buckle and can be used for sleeving the spring 54, and when the grounding elastic sheet 20 is fixed, the grounding elastic sheet 20 is fixed on the rod 52 by combining the spring 54; the cap 53 is disposed at the bottom of the buckle, and is used for limiting the spring 54 and preventing the spring 54 from falling off from the rod 52.

In this embodiment, in order to facilitate the detachment and installation of the clip, the clip is an elastic clip made of plastic, and the diameter of the top of the male terminal 51 is smaller than the diameter of the hole on the PCB 10 (i.e. the diameter of the top of the male terminal 51 is smaller than the diameter of the rod 52); in order to engage with the hole of the PCB 10 and ensure that the male terminal 51 does not fall off from the PCB 10, the diameter of the bottom of the male terminal 51 is larger than the diameter of the hole on the PCB 10 (i.e. the diameter of the bottom of the male terminal 51 is larger than the diameter of the rod 52).

Further, as shown in fig. 4, in the present embodiment, a square groove 55 is provided on a side surface of the buckle, and the square groove 55 penetrates from one side of the buckle to the other side; also, the square groove 55 extends from the bottom of the male terminal 51 to the top of the post 52; because the buckle is made of plastic materials, when the grounding elastic sheet 20 needs to be detached, the square groove 55 is inwards sunken by pressing the two sides of the buckle, so that the grounding elastic sheet 20 can be detached.

Preferably, in this embodiment, in order to facilitate the taking out of the buckle and to reduce the cost of the buckle, the buckle may be made of a plastic material; therefore, the installation is convenient, and the disassembly is convenient.

Further, as shown in fig. 3, in this embodiment, the grounding elastic piece 20 includes: a wire contact block 31, a support block 32, and a ground contact block 33; the wire contact block 31, the support block 32 and the ground contact block 33 are integrally formed; wherein, the lead contact block 31 can be used for contacting with the lead 12 of the PCB board 10; a round hole 34 is arranged on the surface of the wire contact block 31, and the diameter of the round hole 34 is matched with that of the rod 52; moreover, the diameter of the round hole 34 is the same as the diameter of the lead 12 and the hole on the PCB 10; the supporting block 32 may be used to support the wire contact block 31 so that the wire contact block 31 may make contact with the wire 12 of the PCB board 10; the ground contact block 33 is used to contact the ground 11 for grounding.

Preferably, in this embodiment, the grounding elastic piece 20 is a metal elastic piece, and the height (height in a normal state) of the grounding elastic piece 20 is slightly greater than the distance between the wire 12 and the grounding position 11; thus, after the grounding elastic sheet 20 is installed, the grounding elastic sheet 20 is in a compressed state; when the grounding elastic sheet 20 is in a compressed state, the grounding elastic sheet 20 can be in close contact with the grounding position 11, so that the phenomenon of poor grounding is avoided.

In an implementation manner of this embodiment, the ground contact block 33 may be a circular arc-shaped contact block, that is, the bottom of the ground spring 20 may be configured to be circular arc-shaped, and the circular arc-shaped bent portion provides an elastic force, so that the ground spring 20 may be in close contact with the ground contact 11.

In another implementation manner of this embodiment, the ground contact block 33 may also be a bent contact block, that is, the bottom of the ground spring 20 may be bent, and the bent portion of the bent shape provides an elastic force, so that the ground spring 20 may be in close contact with the ground 11.

In the embodiment, due to the fixing mode of the spring 54 and the buckle, the grounding device is flexibly installed, and no additional installation tool is needed during installation; moreover, the installation is fixed by the buckle, the installation mode is firm, and the situations of displacement or poor contact can not occur; compared with the existing grounding mode, the grounding mode in the embodiment has lower cost, can replace the existing grounding mode adopting the conductive foam 13, and solves the problems of poor grounding, foam displacement and foam falling in the existing grounding mode.

To sum up, the utility model discloses a set up ground connection shell fragment and block subassembly, utilize ground connection shell fragment and block subassembly with PCB board and ground connection position in close contact with, avoided the not hard up phenomenon of ground connection department, also simplified the installation procedure of ground connection processing simultaneously, improved the efficiency of PCB board ground connection processing.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. An earthing device, characterized by comprising: the clamping assembly is used for fixing the grounding elastic sheet; the clamping assembly penetrates through the grounding elastic sheet, the PCB and the lead on the PCB and fixedly connects the grounding elastic sheet, the PCB and the lead on the PCB; the bottom of the grounding elastic sheet is contacted with a grounding position and is used for supporting the PCB and the lead on the PCB.

2. The grounding device of claim 1, wherein the snap-fit assembly comprises: the buckle is a nail-shaped buckle, and the spring is sleeved on the rod in the middle of the buckle.

3. The grounding device of claim 2, wherein the snap comprises: male terminals, poles, and caps; the male terminal, the pole and the cap are integrally formed.

4. The grounding device of claim 3, wherein the male terminal is frustoconical in shape; the side face of the buckle is provided with a square groove, and the square groove penetrates from one side of the buckle to the other side.

5. The grounding device as claimed in claim 4, wherein the latch is made of elastic material, and the square groove is recessed when the side surface of the latch is pressed.

6. The grounding device of claim 3, wherein the diameter of the top of the male terminal is smaller than the diameter of the post, and the diameter of the bottom of the male terminal is larger than the diameter of the post.

7. The grounding device of claim 6, wherein the grounding spring comprises: the grounding device comprises a wire contact block, a supporting block and a grounding position contact block; the wire contact block, the supporting block and the grounding position contact block are integrally formed.

8. The grounding device of claim 7, wherein the surface of the wire contact block is provided with a circular hole having a diameter sized to fit the diameter of the rod.

9. The grounding device of claim 8, wherein the diameter of the circular hole is the same as the diameter of the fixing hole on the PCB board; and the diameter of the round hole is the same as that of the fixing hole on the PCB wire.

10. The grounding device of claim 1, wherein the grounding spring is a metal spring.