Battery top cover

Abstract

The utility model discloses a battery top cover, and relates to the technical field of battery design and manufacture. The battery top cover comprises a top cover body which is provided with a mounting hole; the pole columns are arranged in the mounting holes; the pole comprises a pole body, an annular flange formed on the outer circumferential side wall of the pole body and a flexible insulating washer arranged on the outer side of the annular flange, and the diameter of the outer ring of the flexible insulating washer is larger than that of the mounting hole. According to the battery top cover provided by the utility model, the pole is clamped in the mounting hole through the flexible insulating washer, and the riveting part and the backstop ring body can further fix the pole, so that the production quality of the battery top cover is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery design manufacturing technical field especially relates to a battery top cover. BACKGROUND

[0002] In prior art, the upper and lower ends of the pole are usually fixed to the battery top cover by welding with the connecting sheet, but this kind of welding fixing pole usually leads to the problems of pole resistance increase, pole easy to heat and so on, and further leads to the security risks of the battery top cover and even the battery. SUMMARY

[0003] The utility model provides a kind of battery top cover, pole is clamped and set in mounting hole by flexible insulating washer, riveting portion and stop ring body can further fix pole, to improve battery top cover production quality, to solve the above technical problems.

[0004] The technical scheme for solving the above problems of the utility model is to provide a kind of battery top cover, the battery top cover includes:

[0005] Top cover body, mounting hole is set on the top cover body;

[0006] Pole, the pole is set in the mounting hole;

[0007] The pole includes pole body, annular flange formed on the outer circumferential side wall of the pole body, flexible insulating washer arranged on the outer side of the annular flange, and the flexible insulating washer is interference fit in the mounting hole.

[0008] Further, the inner side of the flexible insulating washer is provided with a groove for inserting the annular flange.

[0009] Further, the annular flange is arranged at the middle part of the pole body.

[0010] Further, the upper surface of the top cover body is provided with riveting portion, the riveting portion surrounds the edge of the mounting hole and is arranged towards the center direction of the mounting hole.

[0011] Further, the battery top cover further includes upper insulating piece, and the upper insulating piece is arranged between the pole and the riveting portion.

[0012] Further, the upper insulating piece includes insulating piece body and outer cladding portion, the insulating piece body is arranged between the upper end of the pole and the side end of the riveting portion, the outer cladding portion is arranged from the upper end of the insulating piece body to the upper surface direction of the riveting portion and covers the upper surface of the riveting portion.

[0013] Further, a rotation stopping groove is formed on the riveting part, the rotation stopping groove is formed radially along the installation hole, a rotation stopping protrusion is arranged on the upper insulating part, and the rotation stopping protrusion is inserted into the rotation stopping groove.

[0014] Further, the battery top cover further comprises a lower insulating part, the lower insulating part is arranged between the lower end of the pole and the top cover body.

[0015] Further, a stop ring is arranged at the lower end of the installation hole to stop the lower insulating part.

[0016] Further, an insulating lower plastic plate is arranged at the bottom of the top cover body.

[0017] Further, the flexible insulating gasket is a circular ring.

[0018] The utility model discloses beneficial effects:

[0019] 1, the pole is clamped and fixed in the middle position of the installation hole by the flexible insulating gasket before being riveted, so that the pole cannot move in the installation hole, the gap between the pole and the edge of the riveting part is kept consistent, and the problem that the insulation between the pole and the riveting part is invalid due to the too small gap is avoided.

[0020] 2, the upper insulating part forms an outer covering part covering the upper surface of the riveting part, which can be used to increase the width of the insulating gap between the pole and the top cover body, and further improve the electrical insulation effect between the pole and the top cover body.

[0021] 3, when the pole is clamped and fixed in the installation hole by the flexible insulating gasket, the lower insulating part can be fixed tightly by the pole first, and a sealing effect is generated.

[0022] 4, the riveting part only needs to press the upper insulating part, and does not need to press the upper insulating part, the pole and the lower insulating part at the same time, the corresponding reverse force borne by the riveting part is only the thrust generated by the elastic deformation of the upper insulating part itself, and the riveting effect can be more durable and stable. DRAWINGS

[0023] The accompanying drawings, which are incorporated into and form a part of the specification, illustrate embodiments of the present utility model and, together with the description, serve to explain the principles of the present utility model. In these drawings, like reference numerals are used to represent similar elements. The drawings in the following description are some embodiments of the present utility model, not all embodiments. For ordinary skilled in the art, other drawings can be obtained from these drawings without creative labor.

[0024] Figure 1A structural diagram of a battery top cover of the present embodiment;

[0025] Figure 2 An exploded structural diagram of a battery top cover of the present embodiment;

[0026] Figure 3 A sectional view of a battery top cover of the present embodiment;

[0027] Figure 4 A partial enlarged view A of Figure 3 ;

[0028] Figure 5 A structural diagram of a top cover body of the present embodiment;

[0029] Figure 6 A structural diagram of a pole of the present embodiment;

[0030] Figure 7 A structural diagram of a flexible insulating gasket of the present embodiment;

[0031] Figure 8 A structural diagram of an upper insulating piece of the present embodiment;

[0032] 1 - top cover body, 11 - mounting hole, 12 - riveting portion, 13 - rotation stopping groove, 14 - stopper ring body;

[0033] 2 - pole, 21 - pole body, 22 - annular flange, 23 - flexible insulating gasket, 24 - groove;

[0034] 3 - upper insulating piece, 31 - insulating piece body, 32 - outer covering portion, 33 - rotation stopping protrusion;

[0035] 4 - lower insulating piece;

[0036] 5 - lower plastic insulating plate. DETAILED DESCRIPTION

[0037] The orientation terms such as up, down, left, right, front, back, front face, back face, top, bottom, etc. mentioned or possibly mentioned in the present specification are defined with respect to the configuration shown in the respective drawings, and the words "inner" and "outer" respectively refer to the directions toward or away from the geometric center of a specific component, which are relative concepts, and thus can be changed accordingly depending on the different positions, different use states, etc. Therefore, these or other orientation terms should not be interpreted as limiting terms.

[0038] Please refer to Figures 1 to 8 , refer to Figure 1The utility model discloses a battery top cover, mainly includes top cover body 1, pole 2, the left and right sides of top cover body 1 are provided with an installation hole 11 respectively, pole 2 includes the pole body 21 of cylindrical, the annular flange of the middle of the outer circumferential surface of pole body 21 and is integrally arranged, and the flexible insulating washer 23 of the annular flange 22 outside is set, and the diameter of flexible insulating washer 23 is greater than the diameter of installation hole 11.

[0039] For this, the technical personnel can be inserted into the installation hole 11 by pole 2, and make flexible insulating washer 23 be further extruded compression in the gap between the annular flange 22 outside and the inner wall of installation hole 11, produce reverse clamping force, and then the whole pole 2 is clamped in installation hole 11, to realize the purpose of fixed installation pole 2 in installation hole 11. Moreover, when pole 2 is clamped in installation hole 11 by flexible insulating washer 23, because the gap between pole 2 and installation hole 11 has been filled by flexible insulating washer 23 completely, therefore pole 2 will not be movable in installation hole 11, but is limited at the central position of installation hole 11, to avoid the problem of insulation failure caused by pole 2 in installation hole 11 movable, make pole 2 deviate the center of installation hole 11 and then lead to the gap between pole 2 and the inner wall of installation hole 11 or the edge of riveting portion 12 too small.

[0040] In addition, please refer to Figure 1 And Figure 3 Pole 2 includes positive pole and negative pole, the positive pole is arranged at the right end of top cover body 1, and the negative pole is arranged at the left end of top cover body 1, and the mode of clamping the positive pole into installation hole 11 is same with the mode of clamping the negative pole into installation hole 11, for this, for the convenience of description, the following will be described by using pole 2 uniformly, and the positive pole and the negative pole will not be distinguished.

[0041] In addition, it should be noted that, please refer to Figure 4 In the embodiment, when pole 2 is negative pole, the setting mode of the prior art is sequentially present, and the negative pole includes two parts of copper material and aluminum material, wherein the aluminum material is solid-phase printed in the form of aluminum layer structure at the bottom of copper base material, when pole 2 is positive pole, the positive pole is an integral structure, and the specific material is selected according to actual conditions.

[0042] Further, for the convenience of making flexible insulating washer 23 can be used repeatedly, instead of only one-time use, in the embodiment, flexible insulating washer 23 is made of insulating PPS plastic, and it has elasticity.

[0043] In addition, please refer to Figure 6 And Figure 7To ensure that the flexible insulating gasket 23 can be tightly arranged outside the annular flange 22, the annular flange 22 is an annular plate body arranged in the middle of the pole body 21, and a groove 24 is arranged on the inner side wall of the flexible insulating gasket 23, which can just allow the outer periphery of the annular flange 22 to be inserted. In this way, the flexible insulating gasket 23 can be tightly clamped outside the annular flange 22 by means of its own elasticity and the groove 24, and the flexible insulating gasket 23 is not easy to fall off from the outside of the annular flange 22 when the technician installs the pole 2 into the mounting hole 11.

[0044] Further, to further fix the pole 2, please refer to Figure 4 and Figure 5 , as shown in the orientation of Figure 5 , in this embodiment, the upper surface of the top cover body 1 is also provided with a riveting part 12, which is an annular metal plate body arranged around the mounting hole 11, and a plurality of rotation stopping grooves 13 are arranged on the lower surface of the riveting part 12, which are equally spaced along the circumferential direction, and each rotation stopping groove 13 is arranged along the radial direction of the mounting hole 11.

[0045] For this purpose, after the pole 2 is clamped into the mounting hole 11, the technician can further bend the riveting part 12 towards the center of the mounting hole 11, so that the riveting part 12 can form an annular limiting part at the upper end opening of the mounting hole 11, to further fix the pole 2.

[0046] Moreover, please refer to Figure 4 and Figure 8 , the riveting part 12 and the pole 2 are also spaced apart by an upper insulating part 3, which is used for insulating isolation between the pole 2 and the top cover body 1, to prevent electric conduction short circuit between the pole 2 and the top cover body 1.

[0047] Specifically, in this embodiment, the upper insulating part 3 is a ring body, which includes an insulating part body 31 spaced between the upper end of the circumferential side wall of the pole 2 and the riveting part 12, and an outer covering part 32 extending from the upper end of the insulating part body 31 to the upper surface of the riveting part 12, a plurality of rotation stopping protrusions 33 are uniformly arranged on the outer side wall of the insulating part body 31, the rotation stopping protrusions 33 are matched with the rotation stopping grooves 13, and the outer covering part 32 completely covers the upper surface of the riveting part 12.

[0048] For this purpose, when the technician arranges the upper insulating part 3 between the riveting part 12 and the pole 2, the upper insulating part 3 can not only physically insulate the riveting part 12 and the pole 2 through the insulating part body 31, but also can expand the gap width between the upper end surface of the pole 2 and the top cover body 1 through the outer covering part 32, to improve the insulation effect of the upper insulating part 3.

[0049] Meanwhile, the upper insulating member 3 is further inserted into the corresponding rotation-stopping groove 13 through the rotation-stopping protrusion 33, so as to further limit the rotation of the upper insulating member 3, to ensure the stability of the insulation effect and the stability of the installation of the pole 2.

[0050] In addition, the upper insulating member 3 can form a seal at the upper end of the pole 2, to prevent the phenomenon of liquid leakage at the installation hole 11.

[0051] Further, please refer to Figure 4 In the embodiment, in order to further seal the gap between the pole 2 and the installation hole 11, and prevent the pole 2 from directly contacting the top cover body 1, an annular stop ring body 14 is arranged at the lower end of the installation hole 11, and a lower insulating member 4 is arranged between the lower end of the outer circumferential side wall of the pole 2 and the installation hole 11, the lower insulating member 4 is a ring body, and the lower insulating member 4 is sleeved at the lower end of the pole 2.

[0052] In this regard, when the pole 2 is installed into the installation hole 11, the technician can first sleeve the lower insulating member 4 at the lower end of the pole 2, and then insert the pole 2 into the installation hole 11; at this time, the technician can push the pole 2 downward, so that the lower insulating member 4 is tightly pressed at the stop ring body 14, and the pole 2 is maintained in the state of abutting against the lower insulating member 4 under the clamping action of the flexible insulating gasket 23, thereby realizing the double effects of sealing and insulation at the lower end of the pole 2.

[0053] In the embodiment, the bottom of the top cover body 1 is further provided with an insulating lower plastic plate, which is used to insulate and support the protection of the pole plate, the pole lug and the core package inside the top cover body 1.

[0054] The above-mentioned matters not mentioned are applicable to the prior art.

[0055] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit it. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A battery top cover characterized by, The battery top cover comprises: a top cover body (1) having a mounting hole (11) formed thereon; a pole post (2) arranged in the mounting hole (11); the pole post (2) comprises a pole post body (21), an annular flange (22) formed on the outer circumferential side wall of the pole post body (21), and a flexible insulating gasket (23) arranged outside the annular flange (22) and being interference-fitted in the mounting hole (11).

2. The battery cup of claim 1, wherein the battery cup is formed from a single piece of material. A groove (24) is formed on the inner side of the flexible insulating gasket (23) for inserting the annular flange (22).

3. The battery cup of claim 1, wherein the battery cup is formed from a single piece of material. The annular flange (22) is arranged at the middle part of the pole post body (21).

4. The battery cup of claim 1, wherein the battery cup is formed from a single piece of material. A riveting part (12) is arranged on the upper surface of the top cover body (1) and surrounds the edge of the mounting hole (11) and is arranged towards the center of the mounting hole (11).

5. The battery cover of claim 4, wherein the cover is made of a material selected from the group consisting of: aluminum, steel, and a combination thereof. The battery top cover further comprises an upper insulating piece (3) which is arranged in a spaced manner between the pole post (2) and the riveting part (12).

6. The battery cover of claim 5, wherein the cover is made of a material selected from the group consisting of: aluminum, steel, and a combination thereof. The upper insulating piece (3) comprises an insulating piece body (31) which is arranged in a spaced manner between the upper end of the pole post (2) and the side end of the riveting part (12), and an outer cladding part (32) which is arranged in an extending manner from the upper end of the insulating piece body (31) towards the upper surface of the riveting part (12) and covers the upper surface of the riveting part (12).

7. The battery cover of claim 5, wherein the cover is made of a material selected from the group consisting of: aluminum, steel, and stainless steel. A rotation-stopping groove (13) is formed on the riveting part (12) and is formed along the radial direction of the mounting hole (11), and a rotation-stopping protrusion (33) is arranged on the upper insulating piece (3) and is adapted to be inserted into the rotation-stopping groove (13).

8. The battery cup of claim 1, wherein the battery cup is formed from a single piece of material. The battery top cover further comprises a lower insulating piece (4) which is arranged in a spaced manner between the lower end of the pole post (2) and the top cover body (1).

9. The battery cup of claim 8, wherein the battery cup is formed from a single piece of material. A stop ring body (14) is further arranged at the lower end of the mounting hole (11) to stop the lower insulating piece (4).

10. The battery cover of claim 1, wherein the cover is made of a material selected from the group consisting of: aluminum, steel, and a combination thereof. The flexible insulating gasket (23) is a circular ring body.

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