CN218975924U

CN218975924U - Board-to-board connector

Info

Publication number: CN218975924U
Application number: CN202220800802.0U
Authority: CN
Inventors: 李进波; 刘金朋
Original assignee: Tonly Electronics Holdings Ltd
Current assignee: Tonly Electronics Holdings Ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2023-05-05
Anticipated expiration: 2032-04-07

Abstract

The utility model discloses a board-to-board connector, which comprises a flat cable, a PCB, a socket male end, a socket female end, a clamping block and an elastic sheet, wherein the socket male end is fixed on the flat cable, the socket female end is fixed on the PCB, and the clamping block is arranged on the PCB; the male end of socket with the female end of socket is docked, shell fragment one end with joint piece joint, the other end of shell fragment with the winding displacement deviates from the one side butt of PCB board, the shell fragment with the PCB board cooperation is in order to fix the winding displacement. In the technical scheme of the utility model, one end of the elastic sheet is clamped with the clamping block, the other end of the elastic sheet is abutted with the flat cable, and the elastic sheet is deformed to generate elastic force to press the flat cable so as to fasten the male end and the female end of the socket. The screw is not required to be additionally locked, screw materials are saved, the cost is reduced, the step of screwing the screw is reduced, the operation is simple and quick, and the assembly efficiency is improved.

Description

Board-to-board connector

Technical Field

The present utility model relates to the field of connectors, and in particular, to a board-to-board connector.

Background

With the high-speed development and more functions of electronic products, the requirements of the electronic products on the transmission performance of the connector are higher and higher.

Among various connector products, the BTB (board-to-board) socket has the strongest transmission function, the most wide application range, and can play a very good role in a plurality of fields. The BTB socket is of a male-female socket opposite-plug structure, does not have a self-locking function, and requires an additional structural member to fix the socket after assembly. In the existing fixing mode, an additionally designed socket pressing sheet is generally adopted, a screw column is designed on the PCB supporting shell, and the pressing sheet is fixed on the BTB socket through screws and then locked on the PCB supporting shell. The mode has the advantages that the number of parts is large, the screw locking wastes working hours, the screw locking process requires that the structure is required to be assembled vertically, and the structural design limitation is large.

Disclosure of Invention

The utility model mainly aims to provide a board-to-board connector, which aims to solve the problem that the conventional board-to-board socket is complex to fix after being plugged.

In order to achieve the above-mentioned objective, the present utility model provides a board-to-board connector, which comprises a flat cable, a PCB board, a socket male end, a socket female end, a clamping block and a spring piece, wherein the socket male end is fixed on the flat cable, the socket female end is fixed on the PCB board, and the clamping block is arranged on the PCB board; the male end of socket with the female end of socket is docked, shell fragment one end with joint piece joint, the other end of shell fragment with the winding displacement deviates from the one side butt of PCB board, the shell fragment with the PCB board cooperation is in order to fix the winding displacement.

Optionally, the shell fragment includes installation department, connecting portion and butt portion, installation department with joint piece joint, butt portion with the winding displacement butt, connecting portion connect installation department with butt portion.

Optionally, the mounting portion is provided with a clamping groove with an opening facing the connecting portion, and the elastic sheet further comprises two limiting sheets arranged on two sides of the clamping groove; the clamping block comprises a limiting plate, two limiting grooves are formed in the limiting plate, the limiting plate is inserted into the clamping grooves, and the two limiting pieces are clamped into the limiting grooves in a one-to-one correspondence mode.

Optionally, the installation department includes first horizontal segment, first section of bending and the second horizontal segment that connects gradually, the second horizontal segment with first horizontal segment is along vertical direction interval arrangement, the one end of first horizontal segment deviate from first section of bending with connecting portion connect, first horizontal segment first section of bending with form between the second horizontal segment the draw-in groove.

Optionally, the abutting portion is an arc-shaped structure with a protruding direction facing the flat cable.

Optionally, the elastic sheet is formed by stamping a stainless steel plate.

Optionally, the thickness of the elastic sheet is 0.3mm-0.5mm.

Optionally, the board-to-board connector further includes a heat dissipation assembly, where the heat dissipation assembly includes a bottom plate and a plurality of heat dissipation fins, and the bottom plate is mounted on the PCB and is spaced apart from the female end of the socket, and the plurality of heat dissipation fins are spaced apart from each other along a length direction of the bottom plate.

Optionally, the clamping block is disposed on a side of the bottom plate, which is close to the female end of the socket.

Optionally, the bottom plate and the clamping block are integrally formed.

In the technical scheme of the utility model, when the board-to-board connector is assembled, the male end of the socket is butted with the female end of the socket, then the elastic sheet is installed, one end of the elastic sheet is clamped with the clamping block, the other end of the elastic sheet is abutted with the flat cable, and the elastic sheet is elastic, so that the elastic force is generated after the elastic sheet is deformed at the abutting end of the elastic sheet and the flat cable to tightly press the flat cable so as to fasten the male end of the socket and the female end of the socket. The screw is not required to be additionally locked, screw materials are saved, the cost is reduced, the step of screwing the screw is reduced, the operation is simple and quick, and the assembly efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a board-to-board connector according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a spring in a board-to-board connector according to an embodiment of the utility model;

fig. 3 is an exploded view of a spring and a heat dissipating assembly in a board-to-board connector according to an embodiment of the utility model.

Reference numerals illustrate:

1	PCB (printed circuit board)	412	First bending section
				11	Socket female end	413	Second horizontal segment
2	Flat cable	42	Connecting part
				21	Socket male end	43	Abutment portion
3	Clamping block	44	Clamping groove
				31	Limiting plate	45	Limiting sheet
32	Limiting groove	5	Heat dissipation assembly
				4	Spring plate	51	Bottom plate
41	Mounting part	52	Heat sink
				411	First horizontal segment

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a board-to-board connector.

As shown in fig. 1 to 3, the board-to-board connector of the present utility model includes a flat cable 2, a PCB board 1, a socket male end 21, a socket female end 11, a clamping block 3 and a spring plate 4, wherein the socket male end 21 is fixed on the flat cable 2, the socket female end 11 is fixed on the PCB board 1, and the clamping block 3 is arranged on the PCB board 1; the male end 21 of socket is docked with female end 11 of socket, and shell fragment 4 one end and joint piece 3 joint, the other end and the one side butt that the winding displacement 2 deviates from PCB board 1 of shell fragment 4, shell fragment 4 and PCB board 1 cooperation are in order to fix winding displacement 2.

The male socket end 21 is welded to the flat cable 2 through an SMT (surface mounting technology) patch, the female socket end 11 is welded to the PCB 1 through the SMT patch, and the PCB 1 is further provided with a clamping block 3, and the clamping block 3 and the flat cable 2 are arranged at intervals. In assembling the board-to-board connector of the present embodiment, the male socket end 21 needs to be mated with the female socket end 11, and after the mating is completed, the connection between the male socket end 21 and the female socket end 11 is unstable, and a fixing structure is required. In this embodiment, the elastic piece 4 is used for fixing the male end 21 of the socket and the female end 11 of the socket, please refer to fig. 1 in combination, at this time, the left end of the elastic piece 4 is clamped with the clamping block 3, the right end of the elastic piece 4 is abutted with the flat cable 2, and the elastic force is generated after the right end of the elastic piece 4 is deformed to compress the flat cable 2, so as to fasten the male end 21 of the socket and the female end 11 of the socket. Specifically, the contact position of the abutting portion 43 of the elastic sheet 4 and the flat cable 2 corresponds to the position of the male end 21 of the socket on the flat cable 2, so as to ensure the fixing effect of the elastic sheet 4. In the board-to-board connector of the embodiment, the elastic force generated after the elastic piece 4 is deformed by the single part plays a role in compressing and fixing, and screw locking is not needed to be additionally used, so that screw materials are saved, the cost is reduced, the step of screwing down screws is reduced, the operation is simple and quick, and the assembly efficiency is improved.

Specifically, the spring piece 4 includes a mounting portion 41, a connecting portion 42, and an abutting portion 43, the mounting portion 41 is engaged with the engagement block 3, the abutting portion 43 abuts against the flat cable 2, and the connecting portion 42 connects the mounting portion 41 and the abutting portion 43. Referring to fig. 2 in combination, the mounting portion 41 is located at the left side of the connecting portion 42 and is configured to be engaged with the engaging block 3, and the abutting portion 43 is located at the right side of the connecting portion 42 and is configured to abut against the flat cable 2. In this embodiment, the connection portion 42 is arc-shaped, and the protruding direction is the direction away from the clamping block 3, so that interference between the connection portion 42 and the clamping block 3 can be avoided, and the rationality of the structural arrangement of the board-to-board connector in this embodiment is ensured.

Further, the mounting portion 41 is provided with a clamping groove 44 with an opening facing the connecting portion 42, and the elastic sheet 4 further comprises two limiting sheets 45 arranged on two sides of the clamping groove 44; the clamping block 3 comprises a limiting plate 31, two limiting grooves 32 are formed in the limiting plate 31, the limiting plate 31 is inserted into the clamping grooves 44, and the two limiting sheets 45 are clamped into the limiting grooves 32 in a one-to-one correspondence manner.

Referring to fig. 2 and 3 in combination, the mounting portion 41 is provided with a clamping groove 44, an opening of the clamping groove 44 faces to the right, and the clamping block 3 includes a limiting plate 31, and an extending direction of the limiting plate 31 and an opening of the clamping groove 44 face opposite to each other, that is, the limiting plate 31 extends to the left. When the board-to-board connector of the embodiment is assembled, the mounting portion 41 is firstly slidably arranged on the clamping block 3 through the sliding fit of the clamping groove 44 and the limiting plate 31, and then the limiting piece 45 is inserted into the corresponding limiting groove 32, so that looseness between the mounting portion 41 and the clamping block 3 can be prevented, the abutting portion 43 can fix the flat cable 2 more reliably, and the use stability of the board-to-board connector of the embodiment is improved.

Still further, the mounting portion 41 includes a first horizontal segment 411, a first bending segment 412 and a second horizontal segment 413 sequentially connected, the second horizontal segment 413 is arranged with the first horizontal segment 411 along a vertical direction at intervals, one end of the first horizontal segment 411 facing away from the first bending segment 412 is connected with the connecting portion 42, and a clamping groove 44 is formed among the first horizontal segment 411, the first bending segment 412 and the second horizontal segment 413.

Referring to fig. 2 in combination, the mounting portion 41 is located at the left side of the connecting portion 42, and the mounting portion 41 includes a first horizontal section 411, a first bending section 412, and a second horizontal section 413. The right end of the first horizontal section 411 is connected with the left end of the connecting part 42, the first horizontal section 411 is parallel to and spaced from the second horizontal section 413, the second horizontal section 413 is located below the first horizontal section 411, the first bending section 412 connects the first horizontal section 411 with the second horizontal section 413, and the clamping groove 44 is located between the first horizontal section 411 and the second horizontal section 413. In the first embodiment, the upper end of the limiting piece 45 is fixed on the first horizontal section 411 and is located at a position of the first horizontal section 411 near the connecting portion 42, so that when the limiting plate 31 is clamped into the clamping groove 44, the limiting piece 45 can be clamped into the limiting groove 32, and further stability in use of the board-to-board connector of the embodiment is ensured.

In one embodiment, the abutment portion 43 has an arc-shaped structure with a protruding direction facing the flat cable 2. Because the abutting portion 43 is of an arc-shaped structure, the abutting portion 43 will deform more when abutting against the flat cable 2, so that a larger elastic force can be obtained to press the flat cable 2. In addition, the arc structure can ensure that the abutting part 43 and the flat cable 2 are in a smooth plane, so that the flat cable 2 is uniformly stressed, and the flat cable 2 is protected.

In one embodiment, the spring plate 4 is stamped and formed from stainless steel. The greatest characteristic of stainless steel is that stainless steel is resistant to weak corrosive media such as air, steam, water and the like, and has higher hardness. Because the elastic sheet 4 in the embodiment is made of stainless steel, the situation that the elastic sheet 4 rusts and wears the flat cable 2 and the clamping block 3 can be avoided. And the elastic sheet 4 is formed by stamping, so that the rigidity of the elastic sheet 4 is improved, the service life of the part is ensured, and the maintenance and replacement cost of the subsequent part is reduced to a certain extent.

Further, the thickness of the spring plate 4 is 0.3mm-0.5mm. In a preferred embodiment, the thickness of the spring plate 4 is 0.4mm, and at this thickness, the spring plate 4 is light and thin, and the mass is smaller, so that manufacturing materials are saved, and the cost is reduced, and the spring plate 4 also has certain rigidity and is not easy to break. And under the thickness, the elastic sheet 4 deforms when being abutted against the flat cable 2 and has enough elasticity to press the flat cable 2, so that the use stability of the board-to-board connector of the embodiment is ensured.

In an embodiment, the board-to-board connector further includes a heat dissipating assembly 5, the heat dissipating assembly 5 includes a bottom plate 51 and a plurality of heat dissipating fins 52, the bottom plate 51 is mounted on the PCB board 1 and is spaced apart from the female socket end 11, and the plurality of heat dissipating fins 52 are spaced apart along a length direction of the bottom plate 51.

Referring to fig. 1, a bottom plate 51 is disposed on the PCB board 1 and located at the left side of the female socket end 11, and a plurality of heat dissipation fins 52 for dissipating heat are disposed on the bottom plate 51. When the board-to-board connector of the embodiment works, heat can be generated, the heat radiating component 5 can radiate the heat, and the heat radiating effect is enhanced, so that the continuous service time of the board-to-board connector of the embodiment is prolonged, and damage to parts due to overhigh temperature is avoided.

In one embodiment, the snap-in block 3 is disposed on a side of the bottom plate 51 adjacent to the female socket end 11. Referring to fig. 1 in combination, the clamping block 3 is disposed at the right end of the bottom plate 51. Because the clamping block 3 is arranged on the bottom plate 51, the installation space of the clamping block 3 is not required to be reserved on the PCB 1, so that the structural arrangement of the board-to-board connector of the embodiment is more reasonable. In addition, the PCB 1 has smaller area, and the material cost of production and processing is reduced.

In one embodiment, the bottom plate 51 is integrally formed with the snap block 3. Compared with other parts, when the clamping block 3 is clamped with the elastic piece 4, the joint of the clamping block 3 and the bottom plate 51 needs to bear the force given by the elastic piece 4, the rigidity of the joint of the clamping block 3 and the bottom plate 51 can be improved by integrally forming the bottom plate 51 and the clamping block 3, the position is ensured not to be bent or deformed, and the use stability of the embodiment is ensured. And the integrally formed structure does not need to process the bottom plate 51 and then mount the clamping block 3 on the bottom plate 51, so that the steps required by production and processing are reduced.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. The board-to-board connector is characterized by comprising a flat cable, a PCB, a socket male end, a socket female end, a heat radiation assembly, a clamping block and an elastic sheet, wherein the socket male end is fixed on the flat cable, the socket female end is fixed on the PCB, the heat radiation assembly comprises a bottom plate, the bottom plate is arranged on the PCB and is spaced from the socket female end, and the clamping block is arranged on one side of the bottom plate, which is close to the socket female end; the male end of socket with the female end of socket is docked, shell fragment one end with joint piece joint, the other end of shell fragment with the winding displacement deviates from the one side butt of PCB board, the shell fragment with the PCB board cooperation is in order to fix the winding displacement.

2. The board-to-board connector of claim 1, wherein the spring piece includes a mounting portion, a connecting portion, and an abutting portion, the mounting portion is engaged with the engaging piece, the abutting portion abuts against the flat cable, and the connecting portion connects the mounting portion and the abutting portion.

3. The board-to-board connector of claim 2, wherein the mounting portion is provided with a slot with an opening facing the connecting portion, and the spring plate further comprises two limiting pieces arranged at two sides of the slot; the clamping block comprises a limiting plate, two limiting grooves are formed in the limiting plate, the limiting plate is inserted into the clamping grooves, and the two limiting pieces are clamped into the limiting grooves in a one-to-one correspondence mode.

4. The board-to-board connector of claim 3, wherein the mounting portion includes a first horizontal segment, a first bending segment and a second horizontal segment connected in sequence, the second horizontal segment is arranged at intervals along a vertical direction with the first horizontal segment, one end of the first horizontal segment, which is away from the first bending segment, is connected with the connecting portion, and the clamping groove is formed among the first horizontal segment, the first bending segment and the second horizontal segment.

5. The board-to-board connector of claim 2, wherein the abutting portion is an arc-shaped structure with a protruding direction toward the flat cable.

6. The board-to-board connector of claim 1, wherein the spring is stamped and formed from stainless steel.

7. The board-to-board connector of claim 6, wherein the thickness of the spring is 0.3mm-0.5mm.

8. The board-to-board connector of any one of claims 1 to 7, wherein the heat dissipating assembly further comprises a plurality of heat dissipating fins, the plurality of heat dissipating fins being spaced apart along a length of the base plate.

9. The board-to-board connector of claim 8, wherein the bottom plate and the snap-in block are integrally formed.