CN210514376U

CN210514376U - Battery clamp

Info

Publication number: CN210514376U
Application number: CN201920941100.2U
Authority: CN
Inventors: 吴小娟; 林陈能; 高冠雄; 卜芳; 祝媛; 刘金成
Original assignee: Eve Energy Co Ltd
Current assignee: Eve Energy Co Ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-05-12
Anticipated expiration: 2029-06-20

Abstract

The utility model discloses a battery clamp contains at least one centre gripping unit, and the centre gripping unit includes fixed plate, chuck and base, and chuck movably connects on the fixed plate, and the chuck is located between fixed plate and the base, is provided with the first butt portion with the anodal butt of battery on the chuck, be provided with on the base with the second butt portion of the negative pole butt of battery, be provided with connecting wire on chuck and the base. This battery anchor clamps can carry out monomer or test in groups to the battery of equidimension not, repeatedly usable and convenient to use.

Description

Battery clamp

Technical Field

The utility model relates to a battery technology field especially relates to a battery clamp.

Background

During the battery test, the unit batteries are often required to be tested in groups.

At present, the battery grouping mode has two types, one type is a mode of spot welding a nickel strap, the second type is a mode of welding an electric wire, the two types of grouping modes need to spend longer connection time and have large workload, a cold joint risk exists or a short circuit easily occurs in the spot welding process, and the obtained test result is poor in consistency. In addition, the two grouping modes are not reusable, nickel belt or welding wire loss exists, and the test cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery clamp can carry out monomer or test in groups to not unidimensional battery, repeatedly usable and convenient to use.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a battery clamp, contains at least one centre gripping unit, the centre gripping unit includes fixed plate, chuck and base, chuck movably connects on the fixed plate, the chuck is located the fixed plate with between the base, be provided with the first butt portion with the anodal butt of battery on the chuck, be provided with on the base with the second butt portion of the negative pole butt of battery, the chuck with be provided with connecting wire on the base.

As a preferred scheme of the utility model, a plurality of screw holes have been seted up on the chuck, first fixed orifices has been seted up on the fixed plate, the chuck is by passing first fixed orifices revolves soon to screwed connection of screw in the screw hole is in on the fixed plate, the cover is equipped with adjusting spring on the screw, adjusting spring one end with the fixed plate butt, adjusting spring's the other end with the chuck butt.

As an optimized scheme of the utility model, first mounting hole has been seted up on the chuck, be equipped with the second mounting hole on the base, first mounting hole runs through first butt portion, the second mounting hole runs through second butt portion, be provided with first conductor in the first mounting hole, be provided with the second conductor in the second mounting hole, first conductor with first butt portion all with the anodal butt of battery, the second conductor with second butt portion all with the negative pole butt of battery.

As a preferred scheme of the utility model, first mounting hole runs through the chuck, the second mounting hole runs through the base, first conductor epirelief is equipped with first spacing portion, second conductor epirelief is equipped with the spacing portion of second, first mounting hole is kept away from the one end of battery is provided with first stopper, the second mounting hole is kept away from the one end of battery is provided with the second stopper, the cover is equipped with first spring on the first conductor, the cover is equipped with the second spring on the second conductor, the both ends of first spring respectively with first spacing portion with first stopper butt, the both ends of second spring respectively with spacing portion of second and second stopper butt.

As an optimized scheme of the utility model, the length of first conductor is greater than the length of first mounting hole, the length of second conductor is greater than the length of second mounting hole, seted up the confession on the first stopper the first through-hole that first conductor passed, seted up the confession on the second stopper the second through-hole that the second conductor passed.

As a preferable embodiment of the present invention, the first position-limiting portion is disposed at a non-end position of the first conductor, the second position-limiting portion is disposed at a non-end position of the second conductor, and the hole wall of the first mounting hole near one end of the battery is inwardly folded and can abut against the first position-limiting portion, so that the first conductor partially protrudes from the first mounting hole; the hole wall of the second mounting hole close to one end of the battery is inwardly folded and can be abutted against the second limiting part, so that the second conductor part protrudes out of the second mounting hole.

As a preferred embodiment of the present invention, two or more clamping units share one fixing plate.

As an optimized scheme of the utility model, the chuck with all be provided with the connecting seat on the base, connecting wire is scalable wire, connecting wire with the connection can be dismantled to the connecting seat.

As a preferred embodiment of the present invention, the connecting wires are connected between the chucks and between the bases of the adjacent two clamping units.

As a preferable embodiment of the present invention, the connecting wire is connected between the adjacent two of the clamping units between the collet and the base.

The utility model has the advantages that:

this battery anchor clamps can carry out monomer or test in groups to the battery of equidimension not, repeatedly usable and convenient to use.

Drawings

Fig. 1 is a schematic cross-sectional view of a battery holder according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a battery holder according to another embodiment of the present invention.

In FIGS. 1-2:

1. a fixing plate; 11. a screw; 12. adjusting the spring; 2. a chuck; 21. a first conductor; 22. a first spring; 23. a first stopper; 3. a base; 31. a second conductor; 32. a second spring; 33. a second limiting block; 4. connecting a lead; 5. testing the lead; 100. a battery.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the word "over" a first feature or feature in a second feature may include the word "over" or "over" the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under" a second feature may include a first feature that is directly under and obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1, the battery clamp of this embodiment includes two clamping units, each clamping unit includes a fixing plate 1, a collet 2 and a base 3, the collet 2 is movably connected to the fixing plate 1, the collet 2 is located between the fixing plate 1 and the base 3, a first abutting portion abutting against a positive electrode of the battery 100 is provided on the collet 2, a second abutting portion abutting against a negative electrode of the battery 100 is provided on the base 3, and the collet 2 and the base 3 are provided with a connecting wire 4. In the present embodiment, the connecting wires 4 are connected between the two cartridges 2 and between the two bases 3, the two batteries 100 are connected in parallel, and the battery pack connected in parallel is electrically connected to the test equipment through the test wires 5 for the group test.

As shown in fig. 2, the battery clamp of the present embodiment includes four clamping units, the connecting wires 4 are connected between two adjacent clamping heads 2 and between two adjacent bases 3, the four batteries 100 are connected in parallel, and the battery pack connected in parallel is electrically connected to the testing equipment through the testing wires 5 to perform the group test.

The number of clamping units can be flexibly selected according to the actual number of groups of the batteries 100.

Specifically, a plurality of threaded holes are formed in the chuck 2, a first fixing hole is formed in the fixing plate 1, the chuck 2 is connected to the fixing plate 1 through a screw 11 which penetrates through the first fixing hole and is screwed into the threaded hole, an adjusting spring 12 is sleeved on the screw 11, one end of the adjusting spring 12 is abutted to the fixing plate 1, and the other end of the adjusting spring is abutted to the chuck 2.

Because the elasticity of adjusting spring 12, the distance between chuck 2 and fixed plate 1 can be adjusted at certain extent for the battery anchor clamps of this embodiment can carry out the test in groups to the battery 100 of equidimension not, and can guarantee that every clamping unit all takes place good contact with the positive pole and the negative pole of battery 100, have the suitability strong, characteristics that the test result is accurate.

Preferably, the cartridge 2 and the base 3 are respectively provided with a first mounting hole and a second mounting hole, the first mounting hole penetrates through the first abutting portion, the second mounting hole penetrates through the second abutting portion, the first mounting hole and the second mounting hole are respectively provided with a first conductor 21 and a second conductor 31, the first conductor 21 and the first abutting portion are both abutted to the positive electrode of the battery 100, and the second conductor 31 and the second abutting portion are both abutted to the negative electrode of the battery 100.

Furthermore, the test lead 5 is connected with the first conductor 21 and the second conductor 31, and by arranging the first conductor 21 and the second conductor 31 and connecting the first conductor 21 and the second conductor 31 with the test lead 5, the battery clamp of the embodiment is more fully contacted with the positive electrode and the negative electrode of the battery 100, so that the contact resistance is reduced, and the accuracy of the battery test is improved.

Since the first abutting portion and the second abutting portion are worn during use, a problem occurs that a certain portion fails to contact with both poles of the battery 100, which causes an increase in resistance generated by the battery holder and affects accuracy of a test result. The first conductor 21 and the second conductor 31 which can be movably arranged have the function of automatic compensation, and are not fixedly arranged, so that abrasion is not easy to occur, good contact with two poles of the battery 100 is ensured all the time, the resistance of the battery clamp is maintained at a lower level, and the accuracy of a test result is improved.

Preferably, the first mounting hole and the second mounting hole penetrate through the chuck 2 and the base 3 respectively, a first limiting portion and a second limiting portion are convexly arranged on the first conductor 21 and the second conductor 31 respectively, a first limiting block 23 is arranged at one end, far away from the battery 100, of the first mounting hole, a second limiting block 33 is arranged at one end, far away from the battery 100, of the second mounting hole, the first conductor 21 and the second conductor 31 are respectively sleeved with a first spring 22 and a second spring 32, two ends of the first spring 22 are respectively abutted to the first limiting portion and the first limiting block 23, and two ends of the second spring 32 are respectively abutted to the second limiting portion and the second limiting block 33.

Further, the length of the first conductor 21 is greater than that of the first mounting hole, the length of the second conductor 31 is greater than that of the second mounting hole, a first through hole for the first conductor 21 to pass through is formed in the first limiting block 23, and a second through hole for the second conductor 31 to pass through is formed in the second limiting block 33.

Further, the first limiting part and the second limiting part are respectively arranged at the non-end positions of the first conductor 21 and the second conductor 31, the hole wall of one end of the first installation hole close to the battery 100 and the hole wall of one end of the second installation hole close to the battery 100 are both folded inwards and can be respectively abutted against the first limiting part and the second limiting part, so that the first conductor 21 and the second conductor 31 partially protrude out of the first installation hole and the second installation hole.

The first and second position-limiting portions limit the first and

second springs

22 and 32 and limit the first and

second conductors

21 and 31 from being completely separated from the first and second mounting holes. Set up first through-hole on first stopper 23, set up the second through-hole on second stopper 33, make first conductor 21 can pass first through-hole, second conductor 31 can pass the second through-hole, play the effect of stabilizing, direction to the motion of first conductor 21 and second conductor 31, make the one end of first conductor 21 and second conductor 31 and battery 100 butt can stretch out first mounting hole and second mounting hole smoothly all the time and not take place friction, collision with the pore wall, prolong its life.

In other embodiments, the first and second mounting holes are blind holes, the length of the first conductor 21 is smaller than that of the first mounting hole, the length of the second conductor 31 is smaller than that of the second mounting hole, and one ends of the first and

second springs

22 and 32 abut against the bottoms of the first and second mounting holes, respectively. The battery clamp of the embodiment reduces the number of parts and reduces the manufacturing difficulty.

Preferably, two or more clamping units share one fixing plate 1, so that the manufacturing difficulty is reduced, and the daily use is facilitated.

Preferably, the base 3 is provided with a groove for accommodating the battery 100, and the second abutting portion is provided to protrude at the bottom center of the groove. The groove can be used for fixing the battery 100 more stably, and meanwhile, after the battery 100 is placed in the groove, the negative pole of the battery 100 is automatically aligned to the second abutting part, so that the complicated operation of manually adjusting the position of the battery 100 is avoided.

Preferably, all be provided with the connecting seat on chuck 2 and the base 3, the connecting seat sets up in chuck 2 and base 3's both sides, and connecting wire 4 is scalable wire, and connecting wire 4 can dismantle with the connecting seat and be connected.

Optionally, the two ends of the connecting wire 4 are threaded connectors, the connecting seat is a threaded hole formed in the chuck 2 and the base 3, and the connecting wire 4 is wrapped by an insulating layer. The screw hole is easily processed, and threaded connection's mode area of contact is big, connects closely, and the resistance that produces is little, makes the degree of accuracy of test result high.

Further, the connecting wires 4 are connected between the chucks 2 and the base 3 of the adjacent two clamping units in such a manner that the batteries 100 are connected in parallel, thereby performing a parallel test.

In other embodiments, the connecting wires 4 are connected between the clamping heads 2 and the base 3 of two adjacent clamping units in such a way that the batteries 100 are connected in series, so that a series test can be performed.

The connecting wires 4 of the telescopic wires are adopted, so that the battery clamp can flexibly carry out series or parallel operation according to actual needs, and the applicability is improved.

As a preferred embodiment of the present invention, in the description of the present specification, reference to the description of the terms "preferred", "optional", and the like, means that a particular feature, structure, material, or characteristic described in connection with the example or illustration is included in at least one example or illustration of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above embodiments are only used to illustrate the detailed embodiments of the present invention, and the present invention is not limited to the above detailed embodiments, i.e. the present invention must not be implemented depending on the detailed embodiments. It should be clear to those skilled in the art that any improvement of the present invention, to the equivalent replacement of each raw material of the present invention, the addition of auxiliary components, the selection of specific modes, etc., all fall within the protection scope and disclosure scope of the present invention.

Claims

1. The utility model provides a battery clamp, its characterized in that contains at least one centre gripping unit, the centre gripping unit includes fixed plate, chuck and base, chuck movably connects on the fixed plate, the chuck is located the fixed plate with between the base, be provided with on the chuck with the first butt portion of the anodal butt of battery, be provided with on the base with the second butt portion of the negative pole butt of battery, the chuck with be provided with connecting wire on the base.

2. The battery clamp according to claim 1, wherein the collet has a plurality of threaded holes, the fixing plate has a first fixing hole, the collet is connected to the fixing plate by a screw passing through the first fixing hole and screwed into the threaded hole, the screw is sleeved with an adjusting spring, one end of the adjusting spring abuts against the fixing plate, and the other end of the adjusting spring abuts against the collet.

3. The battery clamp according to claim 1, wherein the collet has a first mounting hole formed therein, the base has a second mounting hole formed therein, the first mounting hole passes through the first abutting portion, the second mounting hole passes through the second abutting portion, a first conductor is disposed in the first mounting hole, a second conductor is disposed in the second mounting hole, the first conductor and the first abutting portion are both abutted against an anode of the battery, and the second conductor and the second abutting portion are both abutted against a cathode of the battery.

4. The battery clamp of claim 3, wherein the first mounting hole penetrates through the chuck, the second mounting hole penetrates through the base, the first conductor is convexly provided with a first limiting portion, the second conductor is convexly provided with a second limiting portion, the first mounting hole is far away from one end of the battery is provided with a first limiting block, the second mounting hole is far away from one end of the battery is provided with a second limiting block, the first conductor is sleeved with a first spring, the second conductor is sleeved with a second spring, two ends of the first spring are respectively abutted against the first limiting portion and the first limiting block, and two ends of the second spring are respectively abutted against the second limiting portion and the second limiting block.

5. The battery clamp according to claim 4, wherein the length of the first conductor is greater than that of the first mounting hole, the length of the second conductor is greater than that of the second mounting hole, the first limiting block is provided with a first through hole for the first conductor to pass through, and the second limiting block is provided with a second through hole for the second conductor to pass through.

6. The battery holder as claimed in claim 5, wherein the first position-limiting portion is disposed at a non-end portion of the first conductor, the second position-limiting portion is disposed at a non-end portion of the second conductor, and a wall of the first mounting hole near one end of the battery is inwardly closed and can abut against the first position-limiting portion, so that the first conductor partially protrudes from the first mounting hole; the hole wall of the second mounting hole close to one end of the battery is inwardly folded and can be abutted against the second limiting part, so that the second conductor part protrudes out of the second mounting hole.

7. The battery holder as claimed in claim 1, wherein two or more of the holding units share one fixing plate.

8. The battery holder as claimed in claim 1, wherein the chuck and the base are provided with connecting seats, the connecting wires are retractable wires, and the connecting wires are detachably connected with the connecting seats.

9. The battery clamp of claim 8, wherein the connecting wires are connected between the collets and between the bases of two adjacent clamping units.

10. The battery clamp of claim 8, wherein the connecting wire is connected between the collet and the base of two adjacent clamping units.