CN210037909U

CN210037909U - Three-pin set for improving test stability

Info

Publication number: CN210037909U
Application number: CN201920552089.0U
Authority: CN
Inventors: 徐立峰
Original assignee: Shengfeng Science And Technology (ningbo) Co Ltd
Current assignee: Shengfeng Science And Technology (ningbo) Co Ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-02-07
Anticipated expiration: 2029-04-22

Abstract

The utility model discloses an improve three-wire set of test stability, including the probe main part, the probe main part includes the bellying, be provided with spacing snap ring in the probe main part, the cover is equipped with probe seat in the probe main part, probe seat is located spacing snap ring one side, probe seat includes threaded connection seat and external mount pad, external mount pad is connected with the lid, the lid passes through the telescopic link and is connected with the fixing base, the fixing base both sides are rotated and are connected with symmetric distribution's axis of rotation, the outer terminal surface of axis of rotation is fixed with the connection cardboard, it is located the bellying top to connect the cardboard, device simple structure, and can the selectivity carry out the centre gripping to the lithium cell fixed, stability when improving the test.

Description

Three-pin set for improving test stability

Technical Field

The utility model relates to a probe technical field especially relates to an improve three-wire set of test stability.

Background

A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of science and technology, lithium batteries have become the mainstream nowadays.

Lithium cell test probe is the device that is used for carrying out the test to the voltage and the electric current of lithium cell, can whether qualified by effectual detection lithium cell, can't stabilize the lithium cell during the test of test probe on the market, test probe offset when leading to the test easily, the test is unstable, and current test probe that has the anchor clamps that carry out the stability to the lithium cell can't dismantle anchor clamps.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a can be selective carry out the centre gripping to the lithium cell fixed, improve the stability when testing an improvement test stability's three-wire set.

In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides an improve three-wire set of test stability, includes the probe main part, the probe main part includes the bellying, be provided with spacing snap ring in the probe main part, the cover is equipped with probe seat in the probe main part, probe seat is located spacing snap ring one side, probe seat includes threaded connection seat and external mount pad, external mount pad is connected with the lid, the lid passes through the telescopic link and is connected with the fixing base, fixing base both sides rotation is connected with symmetric distribution's axis of rotation, the outer terminal surface of axis of rotation is fixed with the connection cardboard, the connection cardboard is located the bellying top.

The utility model provides a pair of improve test stability's three-wire set, its beneficial effect is: the probe seat is established to the cover in the probe main part, and at the partial joint of the external mount pad portion of probe seat rather than assorted lid, be connected with the fixing base through the telescopic link on the lid simultaneously, the lithium cell when utilizing rotatable connection cardboard on the fixing base to test stabilizes, and because the lid is the joint, can realize the function of dismantling.

Further, be provided with the through-hole in the probe main part, inside probe has been placed in the through-hole, the through-hole includes integrated into one piece and size through-hole one, through-hole two and through-hole three that increase in proper order, inside probe includes needle body portion and needle handle portion, needle handle portion is located through-hole three for improve stability.

Further, an inner spring is sleeved on the needle body portion and located in the second through hole and the third through hole, one end of the inner spring abuts against the first through hole, and the other end of the inner spring abuts against the needle handle portion.

Further, be provided with outer spring on the probe main part, outer spring is located between spacing snap ring and the bellying, has increased the reliability of probe.

Furthermore, a plurality of clamping parts protruding outwards are arranged on the side face of the external mounting seat, the clamping parts are symmetrical in pairs, and the plurality of clamping parts increase the connection stability.

Further, be provided with a plurality of connect the via hole on the lid, connect the via hole's quantity and card portion quantity of holding equal, connect the via hole size and be greater than card portion of holding and can rather than the phase-match, external mount pad and lid can carry out the joint through card portion of holding and connect the via hole cooperation, realize the joint of lid and external mount pad.

Furthermore, all be provided with three probe through-hole on external mount pad and the lid, use and probe three-needle group.

Furthermore, the head of the probe main body is of a tooth-shaped structure, a certain distance is reserved between teeth of the tooth-shaped structure, the distance is 0.6mm-0.9mm, and stable and efficient testing is achieved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention without the cover body connected;

fig. 3 is a schematic cross-sectional view of the cover of the present invention when not connected;

fig. 4 is a top view of the present invention.

In the figure:

1-a probe body; 101-a boss; 2-a limit snap ring; 3-a cover body; 31-connecting vias; 4-a probe seat; 41-a threaded connection seat; 42-external mounting seat; 43-a catch; 44-a telescopic rod; 5-fixing the base; 51-a rotating shaft; 52-connecting card board; 6-through holes; 61-a first through hole; 62-through hole two; 63-through hole three; 7-internal probe; 71-a needle body portion; 72-needle handle; 73-inner spring; 8-an outer spring; 9-probe through hole.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1-4, a three-pin set for improving test stability comprises a probe body 1, wherein the head of the probe body 1 is in a tooth-shaped structure, a certain distance is reserved between teeth of the tooth-shaped structure, the distance is 0.6mm-0.9mm, the probe body 1 comprises a convex part 101, a through hole 6 is arranged on the probe body 1, an internal probe 7 is placed in the through hole, the through hole 6 comprises a first through hole 61 which is integrally formed and sequentially increased in size, the inner probe 7 comprises a needle body part 71 and a needle handle part 72, the needle handle part 72 is positioned in the through hole III 63, an inner spring 73 is sleeved on the needle body part 71, the inner spring 73 is positioned in the through hole II 62 and the through hole III 63, one end of the inner spring 73 is abutted against the through hole I61, the other end of the inner spring is abutted against the needle handle part 72, an outer spring 8 is arranged on the probe main body 1, and the outer spring 8 is positioned between the limiting clamp ring 2 and the boss part 101;

the probe body 1 is provided with a limiting snap ring 2, the probe body 1 is sleeved with a probe seat 4, the probe seat 4 is positioned on one side of the limiting snap ring 2, the probe seat 4 comprises a threaded connection seat 41 and an external installation seat 42, the external installation seat 42 is connected with the cover body 3, the side surface of the external installation seat 42 is provided with a plurality of clamping parts 43 protruding outwards, the clamping parts 43 are symmetrical in pairs, the cover body 3 is provided with a plurality of connecting through holes 31, the number of the connecting through holes 31 is equal to the number of the clamping parts 43, the size of the connecting through holes 31 is larger than that of the clamping parts 43 and can be matched with the clamping parts 43, the external installation seat 42 and the cover body 3 can be matched and clamped with the connecting through holes 31 through the clamping parts 43, and the external installation seat 42;

lid 3 is connected with fixing base 5 through telescopic link 44, and fixing base 5 both sides are rotated and are connected with symmetric distribution's axis of rotation 51, and the outer terminal surface of axis of rotation 51 is fixed with connects cardboard 52, connects cardboard 52 and is located the bellying 101 top.

Probe seat 4 is established to the cover on probe main part 1, at the partial joint of external mount pad 42 of probe seat 4 rather than assorted lid 3, is connected with fixing base 5 through telescopic link 44 on lid 3 simultaneously, utilizes rotatable connection cardboard 52 to stabilize the lithium cell when testing on the fixing base 5, and because lid 3 is the joint, can realize the function of dismantling.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides an improve three-pin group of test stability, includes probe main part (1), probe main part (1) includes bellying (101), be provided with spacing snap ring (2), its characterized in that on probe main part (1): the probe comprises a probe body (1), wherein a probe seat (4) is sleeved on the probe body (1), the probe seat (4) is located on one side of a limiting clamping ring (2), the probe seat (4) comprises a threaded connection seat (41) and an external mounting seat (42), the external mounting seat (42) is connected with a cover body (3), the cover body (3) is connected with a fixing seat (5) through a telescopic rod (44), two sides of the fixing seat (5) are rotatably connected with rotation shafts (51) which are symmetrically distributed, connecting clamping plates (52) are fixed on the outer end faces of the rotation shafts (51), and the connecting clamping plates (52) are located above a protruding portion (101).

2. The three-wire set for improving test stability according to claim 1, wherein: be provided with through-hole (6) on probe main part (1), inside probe (7) have been placed in the through-hole, through-hole (6) are including integrated into one piece and size through-hole one (61), through-hole two (62) and through-hole three (63) that increase in proper order, inside probe (7) are including needle body portion (71) and needle handle portion (72), needle handle portion (72) are located through-hole three (63).

3. The three-pin set for improving test stability according to claim 2, wherein: the needle body (71) is sleeved with an inner spring (73), the inner spring (73) is located in a second through hole (62) and a third through hole (63), one end of the inner spring (73) is abutted to the first through hole (61), and the other end of the inner spring is abutted to the needle handle (72).

4. The three-wire set for improving test stability according to claim 1, wherein: the probe is characterized in that an outer spring (8) is arranged on the probe body (1), and the outer spring (8) is located between the limiting clamping ring (2) and the boss (101).

5. The three-wire set for improving test stability according to claim 1, wherein: the side surface of the external mounting seat (42) is provided with a plurality of clamping parts (43) protruding outwards, and the clamping parts (43) are symmetrical in pairs.

6. The three-pin set for improving test stability of claim 5, wherein: be provided with a plurality of connect the via hole (31) on lid (3), the quantity and the portion of holding (43) quantity of connect the via hole (31) equal, connect the via hole (31) size and be greater than portion of holding (43) and can rather than the phase-match, external mount pad (42) and lid (3) can carry out the joint through the cooperation of portion of holding (43) and connect the via hole (31).

7. The three-wire set for improving test stability according to claim 1, wherein: the external mounting seat (42) and the cover body (3) are provided with three probe through holes (9).

8. The three-wire set for improving test stability according to claim 1, wherein: the head of the probe main body (1) is of a tooth-shaped structure, a certain distance is reserved between teeth of the tooth-shaped structure, and the distance is 0.6mm-0.9 mm.