Square pole battery cover plate structure

Abstract

The utility model provides a square pole battery cover plate structure. The square pole battery cover plate structure is characterized by comprising a light cover plate, a first mounting groove and a second mounting groove are respectively formed in two sides of the light cover plate; a positive pole assembly; the positive pole assembly is arranged in the first mounting groove; a negative pole assembly; the negative pole assembly is arranged in the second mounting groove; a lower plastic part; a first containing cavity corresponding to the first installation groove and a second containing cavity corresponding to the second installation groove are formed in the two sides of the lower plastic part respectively. The lower plastic part is arranged at the lower end of the light cover plate; the utility model has the advantage that the terminal post can be fixed through the bending structure to prevent glue shortage.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery cover plate, in particular to a square pole battery cover plate structure. BACKGROUND

[0002] With the continuous progress and development of science, power batteries have been applied to various industries; the battery cover plate structure is an important part of the power battery, and the battery cover plate structure is combined by a plurality of mutually independent parts such as a pole and a cover plate after injection molding, welding and other processes.

[0003] However, the existing battery cover plate structure is generally directly installed on the cover plate, and the entire fixed ring is filled with plastic by injection molding pressure, which can easily cause poor glue phenomenon, is not easy to observe directly, has high material cost and low production efficiency, and therefore needs to be improved. SUMMARY

[0004] In view of the deficiencies in the prior art, the embodiments of the present application provide a square pole battery cover plate structure to solve the problems in the related art, and the technical scheme is as follows:

[0005] The embodiments of the present application provide a square pole battery cover plate structure, which comprises: a light cover plate; a first mounting groove and a second mounting groove are respectively arranged on both sides of the light cover plate; a positive pole assembly; the positive pole assembly is arranged in the first mounting groove; a negative pole assembly; the negative pole assembly is arranged in the second mounting groove; a lower plastic part; a first accommodating cavity corresponding to the first mounting groove and a second accommodating cavity corresponding to the second mounting groove are respectively arranged on both sides of the lower plastic part; and the lower plastic part is arranged at the lower end of the light cover plate.

[0006] In an embodiment, the positive pole assembly comprises: a square positive pole and a positive welding ring; the square positive pole is arranged in the first mounting groove; and the positive welding ring is arranged on the square positive pole and connected to the first mounting groove.

[0007] In an embodiment, a first sealing ring is arranged at the lower end of the square positive pole; and a first positioning ring corresponding to and matching the first sealing ring is arranged in the first accommodating cavity.

[0008] In an embodiment, a positive glue encapsulation forming part is arranged at the upper end of the first mounting groove; and the positive glue encapsulation forming part is connected to the square positive pole.

[0009] In an embodiment, the negative pole assembly comprises: a square negative pole and a negative welding ring; the square negative pole is arranged in the second mounting groove; and the negative welding ring is arranged on the square negative pole and connected to the second mounting groove.

[0010] In one embodiment, a second sealing ring is arranged at the lower end of the square negative pole; a second positioning ring corresponding to the second sealing ring is arranged in the second accommodating cavity.

[0011] In one embodiment, a negative rubber encapsulation forming piece is arranged at the upper end of the second mounting groove; the negative rubber encapsulation forming piece is connected to the square negative pole.

[0012] In one embodiment, an explosion-proof valve is arranged at the lower end of the light cover plate.

[0013] In one embodiment, a protective patch corresponding to the explosion-proof valve is arranged at the upper end of the light cover plate.

[0014] The advantages or beneficial effects of the above technical solutions at least include:

[0015] The positive pole assembly and the negative pole assembly of the present application are arranged in the first mounting groove and the second mounting groove on the left and right sides of the light cover plate, and are fixed by bending through the arc-shaped bending part at the upper end of the mounting groove. Compared with the direct installation and fixation of the traditional process, the method of external rubber encapsulation and bending fixation adopted by the present application can better fix the two pole assemblies in the accommodating cavity, reduce the cost, and reduce the defective rate of rubber encapsulation.

[0016] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above-described illustrative aspects, embodiments, and features, further aspects, embodiments, and features of the present application will be readily apparent to those skilled in the art by reference to the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0017] In the drawings, like reference numerals refer to same or similar components throughout the several views. These drawings are not necessarily to scale. It should be understood that these drawings only depict some embodiments in accordance with the disclosure and should not be considered to be limiting.

[0018] Figure 1 is the explosion schematic diagram of the present application;

[0019] Figure 2 is the cross-sectional schematic diagram of the positive pole assembly in the present application.

[0020] In the figure: 1, light cover plate; 11, first installation slot; 12, second installation slot; 2, positive pole assembly; 21, square positive pole; 22, positive pole welding ring; 3, negative pole assembly; 31, square negative pole; 32, negative pole welding ring; 4, lower plastic part; 41, first containing cavity; 42, second containing cavity; 5, arc-shaped bending part; 61, first sealing ring; 62, first positioning ring; 71, positive pole rubberized forming part; 72, negative pole rubberized forming part; 81, second sealing ring; 82, second positioning ring; 91, explosion-proof valve; 92, protective patch. DETAILED DESCRIPTION

[0021] Hereinafter, in order to make the objectives, features and advantages of the present application more apparent, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0022] The present application will be described in detail below with reference to the drawings and embodiments.

[0023] As shown in Figure 1 and Figure 2 The present application provides a square pole battery cover plate structure, comprising: a light cover plate 1; first installation slot 11 and second installation slot 12 are respectively arranged on both sides of the light cover plate 1; a positive pole assembly 2; the positive pole assembly 2 is arranged in the first installation slot 11; a negative pole assembly 3; the negative pole assembly 3 is arranged in the second installation slot 12; a lower plastic part 4; a first containing cavity 41 corresponding to the first installation slot 11 and a second containing cavity 42 corresponding to the second installation slot 12 are respectively arranged on both sides of the lower plastic part 4; the lower plastic part 4 is arranged at the lower end of the light cover plate 1. An arc-shaped bending part 5 is arranged at the upper end of the first installation slot 11 and the second installation slot 12.

[0024] In the embodiment, the first installation slot 11 is arranged on the right side of the light cover plate 1, the second installation slot 12 is arranged on the left side of the light cover plate 1, the positive pole assembly 2 is arranged in the first installation slot 11, the negative pole assembly 3 is arranged in the second installation slot 12; the lower plastic plate 4 is a PP material plastic plate, the lower plastic plate 4 is arranged at the lower end of the light cover plate 1, the first containing cavity 41 and the second containing cavity 42 are respectively arranged on the left and right sides of the lower plastic plate 4, the position of the first containing cavity 41 corresponds to the position of the first installation slot 11, the position of the second containing cavity 42 corresponds to the position of the second installation slot 12, the lower end of the positive pole assembly 2 is arranged in the first containing cavity 41, the lower end of the negative pole assembly 3 is arranged in the second containing cavity 42, and the overall structure of the battery cover plate is formed after assembly;

[0025] In addition, the light cover plate mounting groove sidewall in the prior art is a straight cylinder structure, and the present application is provided with an arc-shaped bending part 5 at the upper end of the first mounting groove 11 and the second mounting groove 12, the bending part of the arc-shaped bending part 5 can press the corresponding positive pole post assembly 2 and negative pole post assembly 3, so as to ensure that the pole post assembly is compressed in place, thereby ensuring the air tightness of the battery cover plate structure product and avoiding air leakage and the occurrence of glue shortage.

[0026] Further, the positive pole post assembly 2 comprises a square positive pole post 21 and a positive pole welding ring 22; the square positive pole post 21 is arranged in the first mounting groove 11; the positive pole welding ring 22 is arranged on the square positive pole post 21 and connected with the first mounting groove 11.

[0027] In the embodiment, the positive pole welding ring 22 is wrapped outside the square positive pole post 21 and forms an integrated structure with the square positive pole post 21, and the positive pole welding ring 22 is only arranged in the circumferential direction outside the square positive pole post 21, so that the required injection pressure is small and the glue shortage defect rate of the positive pole post assembly 2 is reduced; the injection appearance of the positive pole welding ring 22 on the square positive pole post 21 can be directly observed through the positive pole post assembly 2, so as to avoid defective products in advance and reduce the product scrap rate.

[0028] Further, a first sealing ring 61 is arranged at the lower end of the square positive pole post 21; a first positioning ring 62 corresponding to the first sealing ring 61 is arranged in the first accommodating cavity 41.

[0029] In the embodiment, the first sealing ring 61 is arranged in the first accommodating cavity 41 and abuts against the lower end of the square positive pole post 21, the first positioning ring 62 is arranged in the first accommodating cavity 41, the first sealing ring 61 is arranged on the first positioning ring 62, the first positioning ring 62 can achieve the positioning effect of the first sealing ring 61 and prevent the first sealing ring 61 from being deviated during assembly; the first sealing ring 61 can tightly push the square positive pole post 21 upward, so as to ensure that the positive pole post assembly 2 is compressed in place.

[0030] Further, a positive pole rubber-coated forming part 71 is arranged at the upper end of the first mounting groove 11; the positive pole rubber-coated forming part 71 is connected with the square positive pole post 21.

[0031] In the embodiment, the positive pole rubber-coated forming part 71 is wrapped and arranged on the square positive pole post 21 and located at the upper end of the first mounting groove 11, which can assist the positive pole post assembly 2 in being welded and formed on the light cover plate 1.

[0032] Further, the negative post assembly 3 comprises: a square negative post 31 and a negative welding ring 32; the square negative post 31 is arranged in the second mounting groove 12; the negative welding ring 32 is arranged on the square negative post 31, and the negative welding ring 32 is connected with the second mounting groove 12.

[0033] In the embodiment, the negative welding ring 32 is wrapped outside the square negative post 31 and forms an integrated structure with the square negative post 31, the negative welding ring 32 is only arranged circumferentially outside the square negative post 31, the required injection pressure is small, and the defective rate of the negative post assembly 3 is reduced; the injection shape of the negative welding ring 32 on the square negative post 31 can be directly observed through the positive post assembly 2, and defective products are avoided in advance, thereby reducing the product scrap rate.

[0034] Further, a second sealing ring 81 is arranged at the lower end of the square negative post 31; a second positioning ring 82 corresponding to the second sealing ring 81 is arranged in the second accommodating cavity 42.

[0035] In the embodiment, the second sealing ring 81 is arranged in the second accommodating cavity 42 and abuts against the lower end of the square positive post 21, the second positioning ring 82 is arranged in the second accommodating cavity 42, the second sealing ring 81 is arranged on the second positioning ring 82, the second positioning ring 82 can achieve the positioning effect of the second sealing ring 81, and the second sealing ring 81 is prevented from being deviated during assembly; the second sealing ring 81 can tightly push the square negative post 31 upward, so that the negative post assembly 3 can be guaranteed to be compressed in place.

[0036] Further, a negative rubber-coated forming part 72 is arranged at the upper end of the second mounting groove 12; the negative rubber-coated forming part 72 is connected with the square negative post 31.

[0037] In the embodiment, the negative rubber-coated forming part 72 is wrapped and arranged on the square negative post 31 and located at the upper end of the second mounting groove 12, and can assist the negative post assembly 3 in being welded and formed on the light cover plate 1.

[0038] Further, an explosion-proof valve 91 is arranged at the lower end of the light cover plate 1. A protection patch 92 corresponding to the explosion-proof valve 91 is arranged at the upper end of the light cover plate 1.

[0039] In the embodiment, the protection patch 92 is a PET transparent adhesive patch, the explosion-proof valve 91 is arranged at the lower end of the light cover plate 1, and a plurality of protection patches 92 are arranged above the explosion-proof valve 91. Arranging the explosion-proof valve and the protection patch on the battery cover plate are both common technical means for those skilled in the art, and will not be described here.

[0040] The square pole battery cover plate structure has the advantages that the pole can be fixed through the bending structure to prevent glue deficiency.

[0041] In the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features.

[0042] In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or can include the contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the first feature above and obliquely above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include the first feature below and obliquely below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature. The terms "vertical", "horizontal", "left", "right", "up", "down" and the like are only for the purpose of description, and are not indicative or suggestive of the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application.

[0043] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of various changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A square pole cell cover plate structure, characterized by, The utility model relates to a light cover plate, a first mounting slot and a second mounting slot are arranged on both sides of the light cover plate respectively, a positive pole column assembly is arranged in the first mounting slot, a negative pole column assembly is arranged in the second mounting slot, a lower plastic part is arranged at the lower end of the light cover plate, the lower plastic part is provided with a first accommodating cavity corresponding to the first mounting slot and a second accommodating cavity corresponding to the second mounting slot respectively, and the first mounting slot and the second mounting slot are provided with arc-shaped bending parts at the upper ends thereof. The positive pole column assembly comprises a square positive pole column and a positive pole welding ring, the square positive pole column is arranged in the first mounting slot, the positive pole welding ring is arranged on the square positive pole column, and the positive pole welding ring is connected with the first mounting slot. The square positive pole column is provided with a first sealing ring at the lower end thereof, and the first accommodating cavity is provided with a first positioning ring corresponding to the first sealing ring. The first mounting slot is provided with a positive pole rubber-coated forming part at the upper end thereof, and the positive pole rubber-coated forming part is connected with the square positive pole column. The negative pole column assembly comprises a square negative pole column and a negative pole welding ring, the square negative pole column is arranged in the second mounting slot, the negative pole welding ring is arranged on the square negative pole column, and the negative pole welding ring is connected with the second mounting slot.

2. The square post battery cover plate structure of claim 1, wherein, The square negative pole column is provided with a second sealing ring at the lower end thereof, and the second accommodating cavity is provided with a second positioning ring corresponding to the second sealing ring.

3. The square post battery cover plate structure of claim 2, wherein The second mounting slot is provided with a negative pole rubber-coated forming part at the upper end thereof, and the negative pole rubber-coated forming part is connected with the square negative pole column. An explosion-proof valve is arranged at the lower end of the light cover plate.

4. The square post battery cover plate structure of claim 3, wherein, A protective patch corresponding to the explosion-proof valve is arranged at the upper end of the light cover plate.

5. The square post battery cover plate structure of claim 3, wherein ​ 6. The square post battery cover plate structure according to any one of claims 2-5, wherein, ​ 7. The square post battery cover plate structure of claim 6, wherein, ​ 8. The square post battery cover plate structure of claim 6, wherein, ​ 9. The square post battery cover plate structure of any of claims 2-5, wherein, ​ 10. The square post battery cover plate structure of claim 9, wherein, ​

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