CN214585551U

CN214585551U - Utmost point ear clamp and utmost point ear clamping device

Info

Publication number: CN214585551U
Application number: CN202022988422.8U
Authority: CN
Inventors: 陈明中; 蔡羽; 林春喜; 廖益胜; 施杨钦; 林票胜
Original assignee: Huizhou Decent Technology Co ltd
Current assignee: Huizhou Decent Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-11-02
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a utmost point ear clamp and utmost point ear clamping device through setting up clamping jaw group and torsional spring, because the contact piece is to including a plurality of buffer springs, in the process of two clamping jaws centre gripping battery utmost point ears, buffer spring can play the effect of buffering, prevents that too big clamping-force can damage the utmost point ear of battery, and then has influenced the follow-up formation partial volume to the battery; in addition, because all set up a plurality of centre gripping convex parts on two contact patches, and all be provided with the contact arch on each centre gripping convex part, the contact protruding existence can be at the in-process of contact patch centre gripping battery tab, increases the area of contact patch and battery tab, improves the contact reliability between contact patch and the battery tab greatly, lets utmost point ear clamp can stabilize the centre gripping battery tab more.

Description

Utmost point ear clamp and utmost point ear clamping device

Technical Field

The utility model relates to a change into partial volume technical field, especially relate to a utmost point ear clamp and utmost point ear clamping device.

Background

At present, a battery formation and capacity grading cabinet is equipment for performing formation and capacity grading on batteries, and is mainly used for testing various battery parameters and battery performances of the batteries and ensuring that the batteries after production meet the production standard. In order to obtain various parameters of the battery, a plurality of clamps are arranged in the battery capacity grading cabinet, when the battery needs to be subjected to component grading, the battery is placed into the battery capacity grading cabinet, the lugs of the battery are clamped by the clamps, and then the component grading work of the battery is started. However, in the prior art, the clips in the battery-forming container have some structural disadvantages.

Firstly, in the clamp in the prior art, the contact copper sheet is arranged on the clamp, and the contact copper sheet is used for contacting the lug of the battery, so that various parameters of the battery are obtained, but because the existing clamp is not provided with a corresponding buffer structure, the contact copper sheet is likely to damage the lug of the battery because the clamping force given to the lug of the battery is too large in the process of clamping the lug of the battery by the clamp;

secondly, in the clip of the prior art, because the contact copper sheet is designed in a planar structure type, the contact manner between the contact copper sheet and the battery tab is a surface contact manner, and the contact copper sheet is likely to have a poor contact condition with the battery tab, that is, the contact reliability between the contact copper sheet and the battery tab is not high, thereby affecting the subsequent formation and partial capacity results of the battery.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, provide one kind and be provided with buffer structure, can prevent to damage battery tab because of the clamping-force is too big, with battery tab contact reliability high utmost point ear clamp and utmost point ear clamping device.

The purpose of the utility model is realized through the following technical scheme:

a tab clamp comprising:

the clamping jaw set comprises a rotating shaft, two clamping jaws and two contact piece pairs, the two clamping jaws are rotationally connected through the rotating shaft, the two contact piece pairs are arranged on the two clamping jaws in a one-to-one correspondence mode, in one contact piece pair, the contact piece pair comprises two contact pieces and a plurality of buffer springs, the two contact pieces are arranged on the clamping jaws, a plurality of clamping convex parts are arranged on the two contact pieces, each clamping convex part is provided with a contact bulge, one end of each buffer spring is connected with each clamping convex part, and the other end of each buffer spring is connected with the clamping jaws; and

the torsional spring, the torsional spring cover is located in the pivot, the one end of torsional spring with one of them the clamping jaw is connected, the other end of torsional spring with another the clamping jaw is connected.

In one embodiment, two threaded holes are formed in each of the two clamping jaws, the contact piece pair further comprises two locking pieces, positioning holes are formed in each of the two contact pieces, two positioning holes are formed in the end portions of the two locking pieces in a penetrating mode, and the end portions of the two locking pieces are screwed in the two threaded holes.

In one embodiment, two all seted up the pilot hole on the clamping jaw, two the pilot hole all is provided with the joint limit in pore wall position department, two all be provided with location elasticity portion on the contact patch, two location elasticity portion one-to-one wears to establish two the locating hole, and two location elasticity portion one-to-one with two the joint limit looks joint.

In one embodiment, each of the clamping protrusions is provided with a plurality of protective walls at the positions of the side walls, and a space is arranged between every two adjacent protective walls.

In one embodiment, each of the protective walls is axially symmetrically distributed about a central axis of the clamping protrusion.

In one embodiment, two clamping foot parts are arranged on each of the two clamping jaws.

In one embodiment, a convex edge is arranged on each of the two clamping leg parts.

A utmost point ear clamping device, includes a plurality of above-mentioned utmost point ear presss from both sides, still includes:

the base plate, each utmost point ear presss from both sides all set up in on the base plate, and adjacent two all be provided with the interval between the utmost point ear presss from both sides.

The utility model discloses compare in prior art's advantage and beneficial effect as follows:

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of an assembly structure of a pole ear clip according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a clamping jaw according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a contact piece according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a tab holding device according to an embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a tab clamp 10 includes a clamping jaw set 100 and a torsion spring 200.

In this way, it should be noted that the clamping jaw set 100 utilizes the force provided by the torsion spring 200 to complete the clamping of the battery tab.

Referring to fig. 1, 2 and 3, the clamping jaw set 100 includes a rotating shaft 110, two clamping jaws 120 and two contact piece pairs 130, the two clamping jaws 120 are rotatably connected through the rotating shaft 110, the two contact piece pairs 130 are correspondingly arranged on the two clamping jaws 120 one to one, in one contact piece pair 130, the contact piece pair 130 includes two contact pieces 131 and a plurality of buffer springs 132, the two contact pieces 131 are both arranged on the clamping jaws 120, the two contact pieces 131 are both provided with a plurality of clamping convex portions 1311, each clamping convex portion 1311 is provided with a contact protrusion 1311a, one end of each buffer spring 132 is connected with each clamping convex portion 1311, and the other end of each buffer spring 132 is connected with the clamping jaws 120.

Referring to fig. 1, the torsion spring 200 is sleeved on the rotating shaft 110, one end of the torsion spring 200 is connected to one of the clamping jaws 120, and the other end of the torsion spring 200 is connected to the other clamping jaw 120.

Therefore, it should be noted that, when the battery tab needs to be clamped, the two clamping jaws 120 are held, the two clamping jaws 120 are opened, then the battery tab is placed into the opened two clamping jaws 120, and finally the two clamping jaws 120 are loosened, so that the clamping of the battery tab can be completed.

It should be further noted that, because the contact piece pair 130 includes a plurality of buffer springs 132, in the process of clamping the battery tab by the two clamping jaws 120, the buffer springs 132 can play a role of buffering, so as to prevent the tab of the battery from being damaged by an excessive clamping force, thereby affecting the subsequent formation and capacity grading of the battery; in addition, because a plurality of clamping convex parts 1311 are arranged on the two contact pieces 131, and each clamping convex part 1311 is provided with a contact protrusion, the contact protrusions 1311a can increase the contact area between the contact pieces and the battery tabs in the process that the contact pieces 131 clamp the battery tabs, so that the contact reliability between the contact pieces 131 and the battery tabs is greatly improved, and the tab clamp 10 can clamp the battery tabs more stably.

Further, referring to fig. 2 and fig. 3, in an embodiment, two threaded holes 121 are formed on both the clamping jaws 120, the contact pair 130 further includes two locking members, positioning holes 1312 are formed on both the contact pieces 131, two positioning holes 1312 are formed through end portions of the two locking members, and end portions of the two locking members are screwed into the two threaded holes 121.

In this way, the opening of the threaded hole 121 and the positioning hole 1312 and the arrangement of the locking member enable the contact piece 131 to be mounted on the clamping jaw 120 in a screw locking manner.

Further, referring to fig. 2 and fig. 3, in an embodiment, the two clamping jaws 120 are respectively provided with a pre-positioning hole 122, the two pre-positioning holes 122 are respectively provided with a clamping edge 1221 at the hole wall, the two contact pieces 131 are respectively provided with a positioning elastic portion 1312, the two positioning elastic portions 1312 are correspondingly inserted into the two pre-positioning holes 122 one by one, and the two positioning elastic portions 1312 are correspondingly clamped with the two clamping edges 1221 one by one.

In this way, the opening of the pre-positioning hole 122 and the arrangement of the locking edge 1221 and the positioning elastic part 1312 can play a role of pre-positioning, thereby improving the installation efficiency of the contact piece 131.

Further, referring to fig. 3 again, in an embodiment, each of the clamping protrusions 1311 has a plurality of protective walls 1311b at the positions of the side walls, and a space is disposed between two adjacent protective walls 1311 b.

In this manner, the provision of the plurality of shielding walls 1311b can protect the cushion spring 132 and prevent the cushion spring 132 from being damaged. Specifically, the guard walls 1311b are axially symmetrically distributed about the center axis of the clamping protrusion 1311.

Further, referring to fig. 2 again, in one embodiment, two clamping feet 123 are disposed on each of the two clamping jaws 120.

Thus, it should be noted that the provision of the two leg portions 123 makes it easier for the operator to open the jaws 120.

Further, referring to fig. 2 again, in one embodiment, the two clamping leg portions 123 are provided with flanges 1231.

In this way, the provision of the collar 1231 can increase the contact area between the hand and the clip leg 123.

Referring to fig. 4, a tab holding device 30 includes a plurality of the above-mentioned tab clips 10, and further includes:

the base plate 31, each utmost point ear clamp 10 all sets up on the base plate 31, and all is provided with the interval between two adjacent utmost point ear clamps 10.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A tab clamp, comprising:

2. The tab clamp as claimed in claim 1, wherein two threaded holes are formed in each of the two clamping jaws, the pair of contact pieces further includes two locking members, positioning holes are formed in each of the two contact pieces, two positioning holes are formed in end portions of the two locking members, and end portions of the two locking members are screwed into the two threaded holes.

3. The tab clamp as claimed in claim 2, wherein two of the clamping jaws are provided with pre-positioning holes, two of the pre-positioning holes are provided with clamping edges at hole wall positions, two of the contact pieces are provided with positioning elastic parts, two of the positioning elastic parts penetrate through the two pre-positioning holes in a one-to-one correspondence, and the two positioning elastic parts are clamped with the two clamping edges in a one-to-one correspondence.

4. The tab clamp as claimed in claim 1, wherein each of the clamping protrusions is provided with a plurality of protection walls at the positions of the side walls, and a space is provided between two adjacent protection walls.

5. The pole ear clip of claim 4 wherein each of said guard walls is axisymmetrically disposed about a central axis of said clamping lobe.

6. The tab clip as claimed in claim 1, wherein two leg portions are provided on each of the two jaws.

7. The tab clip as claimed in claim 6, wherein a raised edge is provided on both of the leg portions.

8. A tab clamping device, comprising a plurality of tab clamps as claimed in any one of claims 1 to 7, further comprising: