CN213546600U

CN213546600U - Spring type connector

Info

Publication number: CN213546600U
Application number: CN202022935451.8U
Authority: CN
Inventors: 赵世志; 叶小兵
Original assignee: Weifeng Electronic Guangdong Co ltd
Current assignee: Weifeng Electronic Guangdong Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-06-25
Anticipated expiration: 2030-12-09

Abstract

The utility model relates to the technical field of connectors, in particular to a spring type connector, which is additionally provided with an elastic spring part, after a first terminal and a second terminal are arranged on a floating main body, the floating main body can be supported to suspend, so that the floating main body can be driven to move by the first terminal and the second terminal, for example, when downward pressure is applied, two spring parts can properly move downwards and drive the floating main body to move downwards, thereby avoiding rigid collision with external pressure; when receiving horizontal pressure, can adapt to outside pressure through the flexible of spring portion equally, reduce the rigidity collision to can reduce the emergence of damage, increase the utility model discloses a life.

Description

Spring type connector

Technical Field

The utility model belongs to the technical field of the connector technique and specifically relates to indicate a spring connector.

Background

The pin header connector is a connector with very high utilization rate in the current electronic products, and realizes the electric connection of two different devices through the connection of a male bus and a female bus. For example, current double row pin header, the on-line screen storage device comprises a base, the pin header main part and two rows of terminals, two rows of terminals generally cut straightly formula structure or right angle structure, the terminal is fixed in the pin header main part, directly weld the welding end of terminal to the PCB board during use, terminal and pin header main part do not all have the space of activity, when this type of structure receives vibrations, just easy because the rigidity collision causes the terminal to buckle, phenomenons such as skew and dislocation, lead to the problem that the plug is not smooth and easy, influence transmission efficiency, short circuit scheduling problem between the terminal can appear even, the life of socket connector and socket connector has been reduced.

Disclosure of Invention

The utility model discloses problem to prior art provides a spring connector, through set up spring portion on first terminal and second terminal, makes first terminal, second terminal and the main part that floats all can move about to avoid impaired.

In order to solve the technical problem, the utility model discloses a following technical scheme: a spring type connector comprises a base, a floating main body, a plurality of first terminals and a plurality of second terminals, wherein each of the first terminals and the second terminals comprises a terminal head, a spring part and a needle point part which are sequentially connected, the spring part has elasticity, the terminal heads are used for clamping external parts, and the needle point parts are used for being fixed on an external PCB; the floating body is provided with a plurality of first mounting through holes and a plurality of second mounting through holes, the first mounting through holes are used for assembling the terminal heads of the first terminals, the second mounting through holes are used for assembling the terminal heads of the second terminals, the base is provided with a slot, and one end of the spring part, which is connected with the needle tip part, is assembled in the slot; after the terminal head of the first terminal is assembled in the first installation through hole and the terminal head of the second terminal is assembled in the second installation through hole, the floating body is suspended above the base; the terminal head comprises a supporting rod and a first clamping elastic sheet, the first clamping elastic sheet is fixed at one end of the supporting rod, the other end of the supporting rod is connected with the spring portion, and the first clamping elastic sheet is provided with a first bending portion.

Preferably, the terminal head further comprises two supporting pieces, the two supporting pieces are symmetrically fixed on two sides of the supporting rod, and the two supporting pieces are arranged in parallel.

Preferably, the terminal head further comprises a second clamping elastic sheet, the second clamping elastic sheet is arranged on the supporting rod, and a clamping gap for clamping the external terminal is formed between the first clamping elastic sheet and the second clamping elastic sheet.

Preferably, one end of the second clamping elastic sheet, which is far away from the supporting rod, is provided with a second bending portion, and a clamping gap between the first bending portion and the second bending portion is smaller than clamping gaps at other positions.

Preferably, the spring portion includes connecting piece and the dysmorphism piece that the shape is "U" type, the both ends of dysmorphism piece are connected with the needle point portion and the one end of connecting piece respectively, the other end of connecting piece with the bracing piece is connected.

Preferably, one end of the special-shaped piece connected with the needle tip part is provided with two convex blocks, and the two convex blocks are symmetrically arranged on two sides of the special-shaped piece; the top of the lug is provided with a guide inclined plane.

Preferably, two ends of the connecting piece are provided with first guide angles, the supporting rod is connected with the connecting piece through one of the first guide angles, and the special-shaped piece is connected with the connecting piece through the other first guide angle; a second guide angle is connected between the special-shaped piece and the needle tip part.

Preferably, the openings are formed in the two ends of the base, the two ends of the floating main body are respectively provided with a limiting strip in a protruding mode, and one end, far away from the floating main body, of each limiting strip is limited in the opening.

Preferably, the locating slot has all been seted up at the both ends of base, the setting element is equipped with in the locating slot, the setting element is used for welding in the PCB board.

Preferably, the bottom of the base is convexly provided with a positioning column, and the positioning column is used for being assembled on an external PCB.

The utility model has the advantages that:

the spring type connector provided by the utility model is additionally provided with the elastic spring part, after the first terminal and the second terminal are arranged on the floating main body, the floating main body can be supported to suspend, so that the floating main body can be driven to move through the first terminal and the second terminal, for example, when the floating main body is pressed downwards, the two spring parts can properly move downwards and drive the floating main body to move downwards, thereby avoiding rigid collision with external pressure; when receiving horizontal pressure, can adapt to outside pressure through the flexible of spring portion equally, reduce the rigidity collision to can reduce the emergence of damage, increase the utility model discloses a life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention after being connected to an external connector.

Fig. 3 is a cross-sectional view of a first embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a first terminal according to a first embodiment of the present invention.

Fig. 5 is a schematic structural diagram of the floating body according to the present invention.

Fig. 6 is a schematic structural diagram of the base of the present invention.

Fig. 7 is a bottom view of fig. 6.

Fig. 8 is a schematic structural diagram of the positioning member of the present invention.

Fig. 9 is a cross-sectional view of a second embodiment of the present invention.

Fig. 10 is a first schematic structural diagram of a first terminal according to a second embodiment of the present invention.

Fig. 11 is a second schematic structural diagram of the first terminal according to the second embodiment of the present invention.

Fig. 12 is a third schematic structural view of the first terminal according to the second embodiment of the present invention.

The reference numerals in fig. 1 to 12 include:

1-base, 2-floating body, 3-first terminal, 4-second terminal, 5-terminal head, 6-spring part, 7-needle tip part, 8-first installation through hole, 9-second installation through hole, 10-slot, 11-connecting piece, 12-special-shaped piece, 13-lug, 14-guiding inclined plane, 15-supporting rod, 16-first clamping elastic piece, 17-second clamping elastic piece, 18-first bending part, 19-supporting piece, 20-first guide angle, 21-second guide angle, 22-second bending part, 23-opening, 24-limiting strip, 26-PCB board, 27-positioning groove, 28-positioning piece and 29-positioning column.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

The first embodiment is as follows:

the spring type connector provided by the embodiment, as shown in fig. 1 to 7, includes a base 1, a floating body 2, a plurality of first terminals 3 and a plurality of second terminals 4, where the first terminals 3 and the second terminals 4 each include a terminal head 5, a spring portion 6 and a needle point portion 7 that are connected in sequence, the spring portion 6 has elasticity, the terminal head 5 is used to clamp an external part, and the needle point portion 7 is used to be fixed to an external PCB 26; the floating body 2 is provided with a plurality of first mounting through holes 8 and a plurality of second mounting through holes 9, the first mounting through holes 8 are used for assembling the terminal heads 5 of the first terminals 3, the second mounting through holes 9 are used for assembling the terminal heads 5 of the second terminals 4, the base 1 is provided with a slot 10, and one end of the spring part 6, which is connected with the needle point part 7, is assembled in the slot 10; after the terminal head 5 of the first terminal 3 is fitted in the first fitting through hole 8 and the terminal head 5 of the second terminal 4 is fitted in the second fitting through hole 9, the floating body 2 is suspended above the base 1.

Specifically, the first terminal 3 and the second terminal 4 of the present embodiment are symmetrically disposed after being mounted, as shown in fig. 3 and 4, the first terminal 3 and the second terminal 4 are additionally provided with the elastic spring portion 6, the spring portion 6 can be extended and retracted, when an external pressure is applied, such as when a lateral pressure is applied, the spring portion 6 can absorb the lateral pressure by extending or retracting, for example, when the spring portion 6 is configured as a spring, when a lateral pressure is applied to the left, the spring portion 6 can extend to the left, so as to absorb the left pressure, and when a lateral pressure is applied to the right, the spring portion 6 can absorb the right lateral pressure by retracting, so as to avoid a situation of breaking or deformation. After the terminal heads 5 of the first and

second terminals

3 and 4 are fitted into the first and second fitting through

holes

8 and 9, the floating body 2 can be lifted up to float the floating body 2, so that the first and

second terminals

3 and 4 and the floating body 2 have a certain space for movement.

The working principle of the activity of the embodiment is as follows: when the floating body 2 is pressed downwards, as shown in fig. 3, the two spring parts 6 can move downwards appropriately and drive the floating body 2 to move downwards, so that rigid collision with external pressure can be avoided; so that when subjected to a lateral pressure, for example a pressure to the left, the profile 12 on the left in fig. 3 is suitably contracted and the profile 12 on the right is suitably expanded, thus controlling the floating body 2 to move to the left, thus avoiding a rigid collision with this pressure to the left; when receiving pressure rightward, can adapt to through the flexible of spring portion 6 equally, reduce the rigidity collision to can reduce the emergence of damage, increase the utility model discloses a vertical type connector's life.

As shown in fig. 4, the terminal head 5 of this embodiment includes a supporting rod 15 and a first clamping elastic sheet 16, the first clamping elastic sheet 16 is fixed at one end of the supporting rod 15, the other end of the supporting rod 15 is connected to the spring portion 6, and the first clamping elastic sheet 16 is provided with a first bending portion 18. Specifically, in this embodiment, only one first clamping elastic sheet 16 is provided, after the terminal head 5 is installed in the first installation through hole 8 or the second installation through hole 9, a clamping space for fixing the external connection terminal is formed between the first clamping elastic sheet 16 and the inner wall of the first installation through hole 8, and the first bending portion 18 abuts against the external connection terminal, so that the purpose of fixedly connecting with the external connection terminal is achieved. The terminal head 5 of the embodiment has a simple structure and is convenient to mount and produce.

In the spring connector provided in this embodiment, as shown in fig. 4, the terminal head 5 further includes two supporting pieces 19, the two supporting pieces 19 are symmetrically fixed to two sides of the supporting rod 15, and the two supporting pieces 19 are arranged in parallel. Specifically, the two support pieces 19 may abut against the inner wall of the first mounting through hole 8 or the inner wall of the second mounting through hole 9 of the mounting terminal head 5, increasing the connection stability between the special-shaped terminal and the connector of the present embodiment.

In the spring type connector provided in this embodiment, as shown in fig. 4, the spring portion 6 includes a connecting member 11 and a profile member 12 in a shape of "U", two ends of the profile member 12 are respectively connected to the needle point portion 7 and one end of the connecting member 11, and the other end of the connecting member 11 is connected to the supporting rod 15.

Specifically, as shown in the directions of fig. 3 and 4, the opening 23 of the special-shaped member 12 faces downward, and at this time, if a pressure is applied to the left, since the position of the needle tip portion 7 is fixed, the special-shaped member 12 can stretch within a certain range, that is, can expand the opening 23 thereof to absorb the applied pressure, and if a pressure is applied to the right, the applied pressure can be absorbed by reducing the opening 23 thereof, that is, when a pressure is applied, the special-shaped member 12 adapts to the pressure in different directions by generating deformation, thereby reducing the occurrence of damage. The connecting piece 11 is arranged to increase the distance between the terminal head 5 and the special-shaped piece 12, so that the movable range of the special-shaped piece 12 can be enlarged.

In addition, the spring portion 6 of the present embodiment may also be configured as a connection structure between the connection member 11 and the "V" -shaped member 12, and the "V" -shaped member and the special-shaped member 12 have the same function and can be deformed within a certain range. Of course, the special-shaped piece 12 of the present embodiment may be provided with a shape other than "U" shape and "V" shape, which can achieve the same function.

In the spring type connector provided by the present embodiment, as shown in fig. 4, two protrusions 13 are disposed at one end of the special-shaped member 12 connected to the needle tip portion 7, and the two protrusions 13 are symmetrically disposed at two sides of the special-shaped member 12; the top of the projection 13 is provided with a guide slope 14.

Specifically, after the first terminal 3 and the second terminal 4 are fitted into the insertion groove 10, the projection 13 interferes with the inner wall of the insertion groove 10, and the special-shaped member 12 is fixed to the connector, so that the first terminal 3 and the second terminal 4 are fixed. Compared with the structure that the whole special-shaped piece 12 is abutted against the inner wall of the slot 10, the arrangement of the convex block 13 can reduce the friction force between the special-shaped piece 12 and the inner wall of the slot 10, is convenient for installation, can also realize the same purpose of fixation, and has better effect than the structure of the special-shaped piece 12 without the convex block 13.

In the spring type connector provided by this embodiment, as shown in fig. 4, first guide angles 20 are provided at both ends of the connecting member 11, the supporting rod 15 is connected to the connecting member 11 through one of the first guide angles 20, and the special-shaped member 12 is connected to the connecting member 11 through the other first guide angle 20; a second bevel 21 is connected between the profile 12 and the needle tip 7.

In particular, the provision of the first and

second lead angles

20, 21 increases the deformation range of the support part and the profile element 12, which is still at risk of breaking if it is a stiff right-angled construction.

According to the spring type connector provided by the embodiment, as shown in fig. 5 to 7, the two ends of the base 1 are provided with the openings 23, the two ends of the floating main body 2 are provided with the limiting strips 24 in a protruding mode, and one ends, far away from the floating main body 2, of the limiting strips 24 are limited in the openings 23. Specifically, the limiting strip 24 of the floating body 2 is limited in the opening 23 of the base 1, so that the movable range of the floating body 2 can be limited, and the situation that the first terminal 3 or the second terminal 4 is damaged due to the overlarge movable range of the floating body 2 is avoided.

In the spring connector provided in this embodiment, as shown in fig. 6 to 8, positioning grooves 27 are formed at both ends of the base 1, positioning pieces 28 are assembled in the positioning grooves 27, and the positioning pieces 28 are used for being welded to the PCB 26. Furthermore, a positioning column 29 is convexly arranged at the bottom of the base 1, and the positioning column 29 is used for being assembled on the external PCB 26.

Specifically, set up corresponding fixed orifices on the PCB board 26, during the installation, assemble reference column 29 in the fixed orifices, then weld the welding end of setting element 28 on PCB board 26, realize fixedly, the difficult pine of base 1 takes off to, setting element 28 is used for being connected with the ground on the PCB board 26.

Example two:

in the spring connector provided in this embodiment, as shown in fig. 9 to 12, the difference between the first embodiment and the first embodiment is that the terminal head 5 has a different structure, in this embodiment, on the basis of the first embodiment, the terminal head 5 further includes a second clamping elastic sheet 17, the second clamping elastic sheet 17 is mounted on the supporting rod 15, and a clamping gap for clamping an external terminal is formed between the first clamping elastic sheet 16 and the second clamping elastic sheet 17; one end of the second clamping elastic sheet 17, which is far away from the support rod 15, is provided with a second bending portion 22, and a clamping gap between the first bending portion 18 and the second bending portion 22 is smaller than clamping gaps at other positions. Specifically, the first clamping spring piece 16 and the second clamping spring piece 17 are matched to clamp the external connecting terminal together, so that the purpose of better fixing the external connecting terminal can be achieved.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a spring connector, includes base, floating body, a plurality of first terminal and a plurality of second terminal, its characterized in that: the first terminal and the second terminal respectively comprise a terminal head, a spring part and a needle tip part which are sequentially connected, the spring part has elasticity, the terminal head is used for clamping external parts, and the needle tip part is used for being fixed on an external PCB;

the floating body is provided with a plurality of first mounting through holes and a plurality of second mounting through holes, the first mounting through holes are used for assembling the terminal heads of the first terminals, the second mounting through holes are used for assembling the terminal heads of the second terminals, the base is provided with a slot, and one end of the spring part, which is connected with the needle tip part, is assembled in the slot;

after the terminal head of the first terminal is assembled in the first installation through hole and the terminal head of the second terminal is assembled in the second installation through hole, the floating body is suspended above the base;

the terminal head comprises a supporting rod and a first clamping elastic sheet, the first clamping elastic sheet is fixed at one end of the supporting rod, the other end of the supporting rod is connected with the spring portion, and the first clamping elastic sheet is provided with a first bending portion.

2. The spring connector of claim 1, wherein: the terminal head further comprises two supporting pieces, the two supporting pieces are symmetrically fixed on two sides of the supporting rod, and the two supporting pieces are arranged in parallel.

3. The spring connector of claim 2, wherein: the terminal head further comprises a second clamping elastic sheet, the second clamping elastic sheet is arranged on the supporting rod, and a clamping gap used for clamping an external terminal is formed between the first clamping elastic sheet and the second clamping elastic sheet.

4. A spring connector according to claim 3, wherein: one end, far away from the supporting rod, of the second clamping elastic sheet is provided with a second bending portion, and a clamping gap between the first bending portion and the second bending portion is smaller than clamping gaps of other positions.

5. The spring connector of claim 1, wherein: the spring portion includes that connecting piece and shape are the dysmorphism piece of "U" type, the both ends of dysmorphism piece are connected with the one end of pinpoint portion and connecting piece respectively, the other end of connecting piece with the bracing piece is connected.

6. The spring connector of claim 5, wherein: one end of the special-shaped piece, which is connected with the needle tip part, is provided with two convex blocks, and the two convex blocks are symmetrically arranged on two sides of the special-shaped piece; the top of the lug is provided with a guide inclined plane.

7. The spring connector of claim 5, wherein: the two ends of the connecting piece are respectively provided with a first guide angle, the supporting rod is connected with the connecting piece through one first guide angle, and the special-shaped piece is connected with the connecting piece through the other first guide angle; a second guide angle is connected between the special-shaped piece and the needle tip part.

8. The spring connector of claim 1, wherein: the opening has all been seted up at the both ends of base, the both ends of main part of floating are all protruding to be equipped with spacing, the one end that the main part of floating was kept away from to spacing is spacing in the opening.

9. The spring connector of claim 1, wherein: the constant head tank has all been seted up at the both ends of base, be equipped with the setting element in the constant head tank, the setting element is used for welding in the PCB board.

10. The spring connector of claim 1, wherein: the bottom of base is protruding to be equipped with the reference column, the reference column is used for assembling in outside PCB board.