CN202196929U - Battery connector - Google Patents

Abstract

The utility model discloses a battery connector, including an insulating body and a plurality of conductive terminals, wherein the conductive terminals include a front elastic contact portion, a middle retaining portion and a rear soldering foot portion connected in sequence; a plurality of terminal insertion slots are arranged in the insulating body, wherein the terminal insertion slots include a front space for accommodating the elastic contact portion of the conductive terminal and a rear space for assembling the retaining portion of the conductive terminal, wherein the width of the front space is larger than that of the rear space. Thus, on the one hand, the front space of the terminal insertion slot is increased so that the terminal has a larger space for elastic deformation; on the other hand, when the product has a small pitch, the rear space is smaller, so that the plastic of the rear end of the fence between two adjacent terminal insertion slots is thicker, thereby avoiding a short circuit between two adjacent conductive terminals; furthermore, the elastic contact portion of the conductive terminal can be designed to be linear, thereby avoiding the disadvantage of the traditional bending process that causes processing troubles.

Description

battery connector

technical field

The utility model relates to the technology in the field of battery connectors, in particular to a battery connector in which adjacent conductive terminals are not easy to be short-circuited and the deformation space of the conductive terminals is large enough.

Background technique

With the popularization and application of notebook computers and mobile phones, in order for them to realize the expected functions, under the condition of continuous long-term operation, sufficient power must be provided to the notebook computer or mobile phone to meet the needs of the notebook computer or mobile phone for a long period of time. Intermittent work. Therefore, a laptop or cell phone must have a battery connector at one end to connect to a power source for this to work.

The structure of the existing battery connector can be shown in FIG. 1 and FIG. 2 . The battery connector includes an insulating body 10 and a terminal group 20 accommodated in the insulating body 10 . Extending forward on the back surface of the insulating body 10, there are terminal insertion grooves 12 for accommodating and inserting a plurality of conductive terminals 21. Each conductive terminal 21 of the terminal group 20 is inserted into the respective terminal insertion grooves 12, and the adjacent two terminals A partition 13 is formed between the insertion slots 12, and the partition 13 is a straight line structure without step difference. The deformation space is left, so the front end of the conductive terminal 21 is bent 22, so that the conductive terminal 21 is squeezed by the docking power plug (not shown) and elastically deformed, and there is a deformation space 19 for movement.

The use of this existing battery connector has the following disadvantages: 1. When the number of conductive terminals 21 is too large and the needle pitch is too small, the thickness of the plastic in the barrier 13 will inevitably become very thin, which will cause difficulties in injection molding; Moreover, if the thickness of the plastic in the barrier 13 is too thin, it is easy to cause a short circuit between two adjacent conductive terminals 21, which greatly shortens the service life of the battery connector; , the front end of the conductive terminal 21 needs to be bent 22, which makes the processing process complicated.

Utility model content

In view of this, the main purpose of this utility model is to provide a battery connector aimed at the deficiencies of the prior art. By designing the barrier as a step structure with different thicknesses at the front and rear, the front space of the terminal insertion groove is increased. Larger, the rear space becomes smaller, thereby increasing the deformation space of the elastic contact part of the conductive terminal, and at the same time avoiding the short circuit of two adjacent conductive terminals caused by the thin plastic at the rear end of the barrier when the needle pitch is small.

In order to achieve the above object, the utility model adopts the following technical solutions:

A battery connector, comprising an insulating body and several conductive terminals, the conductive terminals include a front elastic contact part, a middle holding part and a rear welding foot part connected in sequence; a plurality of terminal insertion slots are arranged in the insulating body The terminal insertion groove includes a front space for accommodating the elastic contact part of the conductive terminal and a rear space for assembling the holding part of the conductive terminal, and the width of the front space is larger than that of the rear space.

As a preferred solution, a barrier is formed between the two adjacent terminal insertion slots, the plastic thickness of the barrier between the two adjacent front spaces is relatively thin, and the plastic barrier between the two adjacent rear spaces is relatively thin. The thickness is relatively thick, and the partition forms a step difference at the transition from the front space to the rear space.

As a preferred solution, there are two terminal blocking blocks vertically extending from the inner wall of the insulating body in the front space of the terminal insertion groove, and a limiting groove is formed between the terminal blocking block and the aforementioned barrier, and the elasticity of the aforementioned conductive terminal The contact part is suspended in the limiting groove, and the head end of the elastic contact part leans against the side of the terminal blocking block, and there is a deformation space between it and the barrier.

As a preferred solution, there is a terminal positioning block arranged on the bottom wall of the insulating body in the rear space of the terminal insertion groove, and a terminal fixing groove is formed between the terminal positioning block and the left and right partitions, and the aforementioned conductive terminal The holding part is embedded in the terminal fixing groove.

As a preferred solution, the terminal holding part includes a base with a flat surface and side-standing interference parts vertically extending from both sides of the base, and the two interference parts are correspondingly embedded in the two terminal fixing grooves.

As a preferred solution, the elastic contact portion of the conductive terminal integrally extends from the front end of the interference portion, and the elastic contact portion and the interference portion are located on the same straight line.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above-mentioned technical solution that the front space of the terminal insertion groove is designed to be wider than the rear space, thereby The barriers between two adjacent terminal insertion slots have a step difference. On the one hand, the front space of the terminal insertion slots is enlarged so that the elastic contact parts of the terminals have more space to produce elastic deformation. On the other hand, When the product has a small needle pitch, the plastic at the rear end of the barrier is thicker due to the existence of the step difference, so as to avoid the short circuit between two adjacent conductive terminals; moreover, the elastic contact part of the conductive terminal can be designed as a straight line Type, to avoid the disadvantages of the traditional need for bending processing to cause troublesome processing.

In order to illustrate the structural features and functions of the utility model more clearly, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the sectional view of the assembly structure of prior art;

Fig. 2 is the enlarged schematic diagram of place A in Fig. 1;

Fig. 3 is the exploded structural representation of the embodiment of the utility model;

Fig. 4 is the assembly structure schematic diagram of the embodiment of the utility model;

Fig. 5 is a rear view of Fig. 4, and the terminal group is not installed in this figure;

Fig. 6 is a sectional view of an uninstalled terminal group in an embodiment of the present utility model;

FIG. 7 is a schematic diagram of the installed terminal group in FIG. 6 .

Explanation of the accompanying drawings:

10. Insulation body 12. Terminal slot

13. Partition 19. Deformation space

20. Terminal group 21. Conductive terminal

211. Elastic contact part 22. Bending

30. Insulation body 311. Top wall

312. Bottom wall 313. Left side wall

314. Right side wall 315. Front face

316. Rear face 32. Terminal slot

321. Front space 322. Back space

33. Fence 331. Segment difference

34. Terminal blocking block 35. Limiting groove

36. Terminal positioning block 37. Terminal fixing slot

38. Opening 39. Deformation space

40. Terminal group 41. Conductive terminal

411. Elastic contact part 412. Holding part

413. Welding foot part 414. Base part

415. Interference Department 416. Interference Bumps

417. Contact point.

Detailed ways

Please refer to FIG. 3 to FIG. 7 , which show the specific structure of a preferred embodiment of the present invention, which includes an insulating body 30 and a terminal group 40 accommodated in the insulating body 30 .

First, the positioning directions of up-down, left-right, and front-back mentioned in this embodiment are based on the directions shown in FIG. 3 . The composition and structural characteristics of the battery connector will be described in detail below, and then its installation process and usage method will be explained.

Wherein, the insulating body 30 is made of plastic material, which is roughly in the shape of a cuboid. The insulating body 30 has a top wall 311, a bottom wall 312, a left side wall 313, a right side wall 314, a front end surface 315 and a rear end surface 316. The front end surface 315 of the insulating body 30 is provided with a plurality of terminal insertion grooves 32 penetrating through the rear end surface 316 , and a barrier 33 is formed between two adjacent terminal insertion grooves 32 . Each terminal insertion groove 32 includes a front space 321 for accommodating the elastic contact portion 411 of the conductive terminal 41 described below and a rear space 322 for assembling the holding portion 412 of the conductive terminal 41 described below. The front space 321 Its width is larger than rear space 322. Since the front space 321 of the terminal insertion groove 32 is larger and the rear space 322 is smaller, the plastic thickness of the partition 33 between two adjacent front spaces 321 is relatively thin, and the space between two adjacent rear spaces 322 is relatively thin. The plastic thickness of the partition 33 is relatively thick, and the partition 33 forms a step difference 331 at the transition from the front space 321 to the rear space 322 .

In addition, there is a terminal blocking block 34 in the front space 321 of the terminal insertion groove 32, and the terminal blocking block 34 is vertically extended and formed on the inner side of the front end of the insulating body 30. Bit slot 35. The inner side of the top wall 311 of the rear space 322 of the insulating body 30 is provided with a terminal positioning block 36 , and a terminal fixing groove 37 is formed between the terminal positioning block 36 and the left and right partitions 33 . In addition, in order to facilitate the forming of the step difference 331 of the partition 33, a rectangular opening 38 is provided on the bottom wall 312 of the insulating body 30. The opening 38 is facing the front space 321 of the terminal insertion groove 32, and is connected with each terminal insertion slot. The front space 321 of the slot 32 communicates.

The terminal group 40 is made of a metal material with good electrical conductivity. The terminal group 40 in this embodiment includes four conductive terminals 41, and each conductive terminal 41 has an elastic contact part 411, a holding part 412 and a welding leg connected in sequence. Section 413. The holding part 412 includes a base part 414 lying flat on the board surface and an interference part 415 vertically extending upward from both sides of the base part 414. The portion 415 is embedded in the terminal fixing groove 37 formed between the terminal positioning block 36 and the left and right partitions 33 , and the interference protrusion 416 is tightly clamped on the wall surface of the terminal fixing groove 37 . The elastic contact part 411 extends from the front end of the interference part 415 on both sides of the holding part 412. The two elastic contact parts 411 are facing each other left and right, and contact points 417 are provided on the two opposite surfaces of the front end of the elastic contact part 411; The front end of the contact part 411 has no bend, and it is located on the same straight line as the interference part 415; when the conductive terminal 41 is assembled into the terminal insertion groove 32, the elastic contact part 411 is suspended in the limiting groove 35, and the elastic contact part 411 A deformation space 39 is maintained between the head end and the partition 33 . The solder leg portion 413 is integrally extended and bent downward from the rear end of the base portion 414 of the holding portion 412 for soldering with the circuit board.

During assembly, the conductive terminals 41 of the terminal group 40 are respectively inserted into the respective terminal insertion grooves 32 of the insulating body 30, and the interference portions 415 of the conductive terminals 41 are embedded and fixed in the terminal fixing grooves 37 of the insulating body 30 to interfere with each other. The interference convex point 416 on the part 415 is tightly clamped on the wall surface of the terminal fixing groove 37, so that the conductive terminal 41 is firmly installed on the insulating body 30. At this time, the elastic contact part 411 of the conductive terminal 41 is suspended from the limiting groove 35 In this process, the head end of the elastic contact portion 411 leans against the side wall of the terminal blocking block 34, and there is a deformation space 39 between the barrier 33, and thus the assembly process is completed.

During use, when the docking power plug (not shown) is inserted into the battery connector, the elastic contact portion 411 of the conductive terminal 41 is pushed toward the deformation space 39, and the contact point 417 of the elastic contact portion 411 is pressed against the docked On the battery connector, so as to realize the transmission of electric current.

In summary, the key point of the design of this utility model is that the front space of the terminal insertion groove is designed to be wider than the rear space, so that the barrier between two adjacent terminal insertion grooves has a Step difference, on the one hand, increase the front space of the terminal insertion groove so that the elastic contact part of the terminal has more space to produce elastic deformation; The plastic at the rear end of the bar is thicker to avoid a short circuit between two adjacent conductive terminals; moreover, the elastic contact part of the conductive terminal can be designed as a straight line to avoid the trouble of traditional bending processing disadvantages.

The above are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the utility model.

Claims (6)

1. A battery connector, comprising an insulating body and a plurality of conductive terminals, the conductive terminals including a front elastic contact portion, a middle holding portion and a rear welding foot portion connected in sequence; a plurality of terminal sockets are arranged in the insulating body The groove is characterized in that: the terminal insertion groove includes a front space for accommodating the elastic contact part of the conductive terminal and a rear space for assembling the holding part of the conductive terminal, and the width of the front space is wider than that of the rear big space. 2. The battery connector according to claim 1, characterized in that: a barrier is formed between the two adjacent terminal insertion slots, and the plastic thickness of the barrier between the two adjacent front spaces is relatively thin, and the two The plastic thickness of the partition between adjacent rear spaces is relatively thick, and the partition forms a step difference at the transition from the front space to the rear space. 3. The battery connector according to claim 2, wherein there are two terminal blocking blocks vertically extending from the inner wall of the insulating housing in the front space of the terminal insertion slot, and the terminal blocking block is connected to the barrier between the two terminals. A limit slot is formed between them, the elastic contact part of the conductive terminal is suspended in the limit slot, and the head end of the elastic contact part leans against the side of the terminal blocking block, and there is a deformation space between it and the barrier. 4. The battery connector according to claim 2, characterized in that: there is a terminal positioning block arranged on the bottom wall of the insulating body in the rear space of the terminal insertion groove, and the terminal positioning block is connected with the left and right partitions A terminal fixing groove is formed between them, and the holding portion of the aforementioned conductive terminal is embedded in the terminal fixing groove. 5. The battery connector according to claim 4, wherein the terminal holding part comprises a base part lying flat on the board surface and side-standing interference parts vertically extending from both sides of the base part, the two interference parts The parts are correspondingly embedded in the fixing grooves of the two terminals. 6 . The battery connector according to claim 5 , wherein the elastic contact portion of the conductive terminal integrally extends from the front end of the interference portion, and the elastic contact portion and the interference portion are located on the same straight line.

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