Novel plastic uptake CCS cover plate matching fastening structure

Abstract

The utility model relates to the technical field of batteries, and discloses a novel plastic uptake CCS cover plate matching and fastening structure, which comprises a base body, a plurality of groups of reinforcing parts are symmetrically arranged on the upper surface of the base body, two groups of bottom holes are symmetrically formed in the upper surface of each group of reinforcing parts, and a base cylinder is fixedly connected in each group of bottom holes. The plurality of groups of base cylinders are arranged in a rectangular array; a plurality of groups of butt joint blocks are integrally formed at the two ends of the lower surface of the cover plate body; through cooperation of the base body, the cover plate body, the base cylinder, the butt joint block and the rhombic hole, cooperation of the base cylinder and the rhombic edge of the rhombic hole, point contact between the rhombic inner angle and the outer vertical face of the base plate cylinder, pressing can be easily achieved when interference fit is too large, and therefore the stability of connection between the base plate body and the cover plate body is improved; the structure is low in precision requirement for the matching size, and the problem of matching failure is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a novel blister CCS cover plate matching and fastening structure. Background Art

[0002] With the development of economy and the progress of science and technology, power batteries are widely used in industries such as electric vehicles. In order to ensure that the power battery can work within the specified voltage range and temperature range, the CCS (integrated busbar) component is required to collect voltage signals and temperature signals of each battery module in the battery pack. In the prior art, the CCS component usually includes an output-level aluminum busbar, a CCS bracket and a CCS protective cover. The CCS bracket is integrated with an output-level aluminum busbar and a collection circuit board. The output-level aluminum busbar is electrically connected to the connecting copper busbars of each battery module in series. The CCS protective cover is provided on the CCS bracket to protect the part where the output-level aluminum busbar is electrically connected to the connecting copper busbar.

[0003] In the prior art, the blister CCS chassis and the blister cover plate mainly adopt the traditional matching structure of cylinder and round hole. The existing problem of this matching structure is that when the interference fit between the cylinder and the round hole is too large, it is difficult to tighten. When the fit is too loose, the cover plate and the chassis are not pre-tightened. The matching dimensional accuracy requirements are high and there is a risk of matching failure. Therefore, we need to propose a new blister CCS cover plate matching and fastening structure. Utility Model Content

[0004] The purpose of the utility model is to provide a new type of blister CCS cover plate matching and fastening structure, which changes the traditional surface-to-surface contact into surface-to-point contact, thereby improving the tightness between the CCS chassis and the cover plate, thereby easily pressing the CCS chassis and the cover plate, reducing the accuracy of the matching size, thereby reducing the production cost, and solving the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a new type of blister CCS cover plate matching fastening structure, comprising:

[0006] A base body, wherein a plurality of groups of reinforcement parts are symmetrically arranged on the upper surface of the base body, and two groups of bottom holes are symmetrically opened on the upper surface of each group of reinforcement parts, and a base cylinder is fixedly connected inside each group of bottom holes, and the plurality of groups of base cylinders are arranged in a rectangular array;

[0007] The cover plate body has a plurality of docking blocks integrally formed at both ends of the lower surface of the cover plate body, and each group of docking blocks is cylindrically arranged, and a diamond-shaped hole is opened on the lower surface of each group of the docking blocks, and the inner diameter of the diamond-shaped hole is smaller than the outer diameter of the base cylinder, and the plurality of groups of the base cylinders are respectively inserted into the diamond-shaped holes of the plurality of groups of docking blocks.

[0008] Preferably, the base cylinder is hollow, the bottom hole is connected to the diamond-shaped hole, and the diameter of the bottom hole is larger than the diameter of the diamond-shaped hole.

[0009] Preferably, a wire harness storage groove is opened in the middle of the upper surface of the base body, and a reinforced wiring board is fixedly connected to the bottom of the wire harness storage groove, and the length of the reinforced wiring board is smaller than the length of the wire harness storage groove.

[0010] Preferably, a plurality of groups of conductive grooves are provided on the upper surface of the base body, and the plurality of groups of conductive grooves are arranged in a rectangular array, and the plurality of groups of conductive grooves are all connected to the wire harness storage grooves.

[0011] Preferably, two groups of positioning blocks are fixedly connected inside each group of the conductive row slots, and multiple groups of side holes are provided on both sides of the base body.

[0012] Preferably, both ends of the lower surface of the cover body are provided with wire entry holes, and the length of the wire entry holes is the same as the width of the wire harness storage slot.

[0013] Preferably, two groups of cross grooves are symmetrically opened on the lower surface of the cover body, and the two groups of cross grooves are arranged above the wire harness storage groove, and the other two sides of the cover body are integrally formed with multiple groups of integral buckle plates.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model mainly improves the stability of the connection between the chassis body and the cover body by the cooperation between the base body, the cover body, the base cylinder, the docking block and the diamond hole, the cooperation between the base cylinder and the diamond edge of the diamond hole, and the point contact between the diamond inner angle and the outer facade of the chassis cylinder. When the interference fit is too large, it can be easily compressed, thereby solving the problem of failure of the fit. This structure has low requirements on the accuracy of the fit size and solves the problem of fit failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the base body structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the cover body structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the cross-section structure of the utility model;

[0020] Figure 5 for Figure 2 The enlarged schematic diagram of the chassis cylindrical structure at A in the middle;

[0021] Figure 6for Figure 3 Schematic diagram of the enlarged diamond hole structure at point B in the middle.

[0022] In the figure: 1. Base body; 2. Cover body; 3. Reinforcement part; 4. Bottom hole; 5. Base cylinder; 6. Wire harness storage slot; 7. Reinforced distribution board; 8. Conductive row slot; 9. Positioning block; 10. Docking block; 11. Diamond hole; 12. Integrated buckle plate; 13. Cross slot; 14. Wire entry hole; 15. Side hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-6 The utility model provides a technical solution: a new type of blister CCS cover plate matching fastening structure, including:

[0025] A base body 1, wherein a plurality of groups of reinforcement parts 3 are symmetrically arranged on the upper surface of the base body 1, and two groups of bottom holes 4 are symmetrically opened on the upper surface of each group of reinforcement parts 3, and a base cylinder 5 is fixedly connected inside each group of bottom holes 4, and the plurality of groups of base cylinders 5 are arranged in a rectangular array;

[0026] The cover body 2 has a plurality of docking blocks 10 integrally formed at both ends of the lower surface of the cover body 2, and each group of docking blocks 10 is cylindrically arranged, and a diamond hole 11 is opened on the lower surface of each group of the docking blocks 10, and the inner diameter of the diamond hole 11 is smaller than the outer diameter of the base cylinder 5, and the plurality of groups of the base cylinders 5 are respectively inserted into the diamond holes 11 of the plurality of groups of docking blocks 10.

[0027] The base cylinder 5 is hollow, the bottom hole 4 is connected to the diamond hole 11, the diameter of the bottom hole 4 is larger than the diameter of the diamond hole 11, and the hollow setting of the base body 1 causes a smaller deformation when the base cylinder 5 is inserted into the diamond hole 11 of the docking block 10, thereby improving the stability of the base cylinder 5 inserted into the diamond hole 11.

[0028] A wire harness storage groove 6 is provided in the middle of the upper surface of the base body 1, and a reinforcing branching plate 7 is fixedly connected to the bottom of the wire harness storage groove 6. The length of the reinforcing branching plate 7 is smaller than the length of the wire harness storage groove 6. The wire harness storage groove 6 facilitates the diversion and sorting of the wire harness of the CCS component, and a circular hole for the wire harness tie to pass through is provided on the base body 1, thereby improving the stability of the wire harness in the wire harness storage groove 6.

[0029] The upper surface of the base body 1 is provided with a plurality of conductive row grooves 8, and the plurality of conductive row grooves 8 are arranged in a rectangular array, and the plurality of conductive row grooves 8 are all connected with the harness storage grooves 6. The plurality of conductive row grooves 8 facilitate the placement of the conductive row of the CCS component, thereby improving the layout efficiency of the conductive row.

[0030] Two groups of positioning blocks 9 are fixedly connected inside each group of the conductive bar slots 8, and multiple groups of side holes 15 are opened on both sides of the base body 1. The positioning blocks 9 are used to quickly position the conductive bars, thereby improving the installation efficiency of the CCS components. At the same time, the side holes 15 are used to separate the cover body 2 from the base body 1.

[0031] Both ends of the lower surface of the cover body 2 are provided with wire entry holes 14, and the length of the wire entry holes 14 is the same as the width of the wire harness storage groove 6. The wire entry holes 14 facilitate the placement of the wire harness of the CCS component and avoid squeezing the wire harness after the cover body 2 and the base body 1 are matched, thereby improving the service life.

[0032] Two groups of cross grooves 13 are symmetrically provided on the lower surface of the cover body 2, and the two groups of cross grooves 13 are both arranged above the wiring harness storage groove 6. The other two sides of the cover body 2 are integrally formed with multiple groups of integral buckle plates 12. The integral buckle plates 12 facilitate the application of opposite thrust to the cover body 2, thereby facilitating the separation of the cover body 2 and the base body 1.

[0033] When in use, the diamond hole 11 of the docking block 10 on the cover body 2 is matched with the base cylinder 5 in the bottom hole 4 of the reinforcement part 3 on the base body 1, and then pressure is applied to the cover body 2, so that the base cylinder 5 is inserted into the diamond hole 11 of the docking block 10, thereby realizing rapid compression of the cover body 2 and the base body 1, and the diamond hole 11 and the base cylinder 5 have an interference fit at points and surfaces, which improves the stability of the compression.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of blister CCS cover plate fastening structure, characterized in that: include: A base body (1), wherein a plurality of groups of reinforcement parts (3) are symmetrically arranged on the upper surface of the base body (1), two groups of bottom holes (4) are symmetrically opened on the upper surface of each group of the reinforcement parts (3), a base cylinder (5) is fixedly connected inside each group of the bottom holes (4), and the plurality of groups of the base cylinders (5) are arranged in a rectangular array; A cover plate body (2), wherein both ends of the lower surface of the cover plate body (2) are integrally formed with a plurality of docking blocks (10), and each set of docking blocks (10) is arranged in a cylindrical shape, and a rhombus-shaped hole (11) is opened on the lower surface of each set of the docking blocks (10), and the inner diameter of the rhombus-shaped hole (11) is smaller than the outer diameter of the base cylinder (5), and the plurality of sets of the base cylinders (5) are respectively inserted into the rhombus-shaped holes (11) of the plurality of sets of docking blocks (10).

2. According to claim 1, a novel blister CCS cover plate matching and fastening structure is characterized in that: The base cylinder (5) is hollow, the bottom hole (4) is connected to the diamond-shaped hole (11), and the diameter of the bottom hole (4) is larger than the diameter of the diamond-shaped hole (11).

3. According to claim 2, a novel blister CCS cover plate matching and fastening structure is characterized in that: A wire harness storage groove (6) is provided in the middle of the upper surface of the base body (1), and a reinforcing wire distribution plate (7) is fixedly connected to the bottom of the wire harness storage groove (6), wherein the length of the reinforcing wire distribution plate (7) is smaller than the length of the wire harness storage groove (6).

4. According to claim 3, the novel blister CCS cover plate matching and fastening structure is characterized in that: The upper surface of the base body (1) is provided with a plurality of groups of conductive grooves (8), and the plurality of groups of conductive grooves (8) are arranged in a rectangular array, and the plurality of groups of conductive grooves (8) are all connected to the wire harness storage groove (6).

5. According to claim 4, the novel blister CCS cover plate matching and fastening structure is characterized in that: Two groups of positioning blocks (9) are fixedly connected inside each group of the conductive row slots (8), and multiple groups of side holes (15) are provided on both sides of the base body (1).

6. According to claim 5, the novel blister CCS cover plate matching and fastening structure is characterized in that: Both ends of the lower surface of the cover plate body (2) are provided with wire entry holes (14), and the length of the wire entry hole (14) is the same as the width of the wire harness storage groove (6).

7. The novel blister CCS cover plate fastening structure according to claim 6 is characterized in that: The lower surface of the cover body (2) is symmetrically provided with two groups of cross grooves (13), and both groups of cross grooves (13) are arranged above the wire harness storage groove (6), and the other two sides of the cover body (2) are integrally formed with multiple groups of integral buckle plates (12).

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