CN214589039U

CN214589039U - Square extremely simple power battery apron of moulding plastics

Info

Publication number: CN214589039U
Application number: CN202120916050.XU
Authority: CN
Inventors: 李中亮; 李艺权; 胡敏琨
Original assignee: Suzhou Meiyu New Energy Co ltd
Current assignee: Suzhou Meiyu New Energy Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-02
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a power battery apron that square utmost point simple was moulded plastics, mould a and a lamina tecti under including, mould the both sides of the inside of piece down and all seted up second utmost point post hole, first utmost point post hole has all been seted up to the inside both sides of lamina tecti, the both sides at lamina tecti top are all seted up flutedly, two first utmost point post hole is located two respectively the inside of recess, two the top of first utmost point post hole all is provided with first boss, two the top of second utmost point post hole all is provided with the second boss, two the second utmost point post hole is respectively through two the second boss is with two first utmost point post jogged joint, the lamina tecti is through two negative pole post and positive post are installed to the recess, the one end of negative pole post with the one end of positive post all extends to mould the bottom of piece down, the utility model discloses a series of structures is set up so that this device has the equipment of being convenient for, Simple structure and lower cost, and the higher characteristics of leakproofness between each part.

Description

Square extremely simple power battery apron of moulding plastics

Technical Field

The utility model relates to a power battery apron technical field specifically is a power battery apron that square utmost point simple was moulded plastics.

Background

The power battery is a power supply for providing a power source for tools, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts.

The power battery has various structures such as a lead-acid storage battery, a lithium ion storage battery and the like, and generally comprises a shell, an electric core and a top cover, wherein the electric core is positioned in the shell and is encapsulated by the top cover, the top cover comprises a top cover plate and a pole arranged on the top cover plate, the pole is used for connecting the electric core with an external electric device, the top cover plate and the pole are generally made of metal materials to ensure the structural strength, so the top cover plate and the pole are required to be insulated, and the top cover plate and the pole column are sealed to prevent leakage, the existing top cover is usually manufactured and assembled by riveting, friction welding, snap spring connection and other methods, but the methods have complex structures, has higher requirement on equipment and higher cost, is fixed by riveting or a snap spring, is easy to loosen all parts to cause poor sealing, therefore, in order to solve the problems, a square extremely-simple injection-molded power battery cover plate is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power battery apron that square utmost point simple was moulded plastics to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a square extremely-simple injection-molded power battery cover plate comprises a lower molding part and a top cover plate, wherein second pole column holes are formed in two sides of the interior of the lower molding part, first pole column holes are formed in two sides of the interior of the top cover plate, grooves are formed in two sides of the top cover plate, the two first pole column holes are respectively located in the two grooves, first bosses are arranged at the top ends of the two first pole column holes, second bosses are arranged at the top ends of the two second pole column holes, the two second pole column holes are respectively connected with the two first pole column holes through the two second bosses, a negative pole column and a positive pole column are installed on the top cover plate through the two grooves, one end of the negative pole column and one end of the positive pole column both extend to the bottom of the lower molding part, and an upper molding part is fixedly installed on the outer side of the negative pole column and the outer side of the positive pole column, an explosion-proof valve is arranged in the middle of the interior of the lower plastic part.

Preferably, the two first pole holes are respectively located right above the two second pole holes, and the aperture of the two first pole holes is larger than that of the two second pole holes.

Preferably, the bottom end of the negative pole column and the bottom end of the positive pole column are both provided with positioning holes, the positioning holes at the bottom end of the negative pole column are square, and the positioning holes at the bottom end of the positive pole column are circular.

Preferably, sealing rings are arranged between the two grooves and the two upper plastic parts, and the two sealing rings are respectively sleeved on the outer sides of the two first bosses.

Preferably, the top of the explosion-proof valve is provided with an explosion-proof piece, an explosion-proof hole is formed in the middle of the top cover plate, and an explosion-proof cover is arranged at the top end of the explosion-proof hole.

Preferably, the interior of the lower plastic part and the interior of the top cover plate are both provided with liquid injection holes, and the two liquid injection holes are located on one side of the explosion-proof valve.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization, mould the inside that the piece was moulded plastics through the high strength plastic and is embedded the recess on two, thereby firm and top cap plate board installation, through at last sealing washer and the first boss that sets up between piece and the recess of moulding, can be favorable to guaranteeing the stability that the product was sealed when moulding plastics, it is connected with two first utmost point post hole back-off respectively through two second bosses to mould the piece down, thereby fix with the lamina tecti, then can be convenient for assemble, and simple structure, the cost is lower, on mould the piece can improve the leakproofness between each part through the mode of the embedding of moulding plastics.

Drawings

Fig. 1 is an exploded view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 at A-A;

fig. 4 is a bottom view of the present invention;

fig. 5 is an enlarged view of fig. 3B according to the present invention;

fig. 6 is an enlarged view of fig. 5C according to the present invention;

in the figure: 1. a lower plastic part; 2. an explosion-proof member; 3. a top cover plate; 4. a first boss; 5. an explosion-proof cover; 6. an explosion-proof hole; 7. plastic parts are coated; 8. a negative pole post; 9. a seal ring; 10. a first pole post aperture; 11. a second pole post hole; 12. a second boss; 13. an explosion-proof valve; 14. a liquid injection hole; 15. a positive post; 16. positioning holes; 17. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a technical scheme of a square extremely simple injection molding power battery cover plate comprises a lower plastic part 1 and a top cover plate 3, wherein second pole holes 11 are formed in two sides of the interior of the lower plastic part 1, first pole holes 10 are formed in two sides of the interior of the top cover plate 3, grooves 17 are formed in two sides of the top cover plate 3, the two first pole holes 10 are respectively located in the two grooves 17, first bosses 4 are arranged at the top ends of the two first pole holes 10, second bosses 12 are arranged at the top ends of the two second pole holes 11, the two second pole holes 11 are respectively connected with the two first pole holes 10 through the two second bosses 12, a negative pole 8 and a positive pole 15 are installed on the top cover plate 3 through the two grooves 17, one end of the negative pole 8 and one end of the positive pole 15 both extend to the bottom of the lower plastic part 1, an upper plastic part 7 is fixedly installed on the outer side of the negative pole 8 and the outer side of the positive pole 15, mould plastics the inside of embedding recess 17 through high strength plastic on two to firm and the installation of 3 boards of lamina tecti, mould down and mould 1 inside intermediate position department and be provided with explosion-proof valve 13, can prevent through the explosion-proof valve 13 that sets up that the battery from exploding.

Preferably, the two first pole holes 10 are respectively located right above the two second pole holes 11, the aperture of the two first pole holes 10 is larger than that of the two second pole holes 11, and the installation of the negative pole 8 and the positive pole 15 is facilitated through the arrangement of the first pole holes 10 and the second pole holes 11.

Preferably, locating hole 16 has all been seted up with positive post 15's bottom to the bottom of negative pole post 8, and the locating hole 16 shape of negative pole post 8 bottom is square, and the locating hole 16 shape of positive post 15 bottom is circular, through square and circular locating hole of seting up in negative pole post 8 and positive post 15 bottom, can distinguish and prevent slow-witted, misplacement position when avoiding producing.

Preferably, sealing rings 9 are arranged between the two grooves 17 and the two upper plastic parts 7, the two sealing rings 9 are respectively sleeved on the outer sides of the two first bosses 4, and the sealing performance between the upper plastic parts 7 and the grooves 17 can be improved through the arranged sealing rings 9.

Preferably, the top of the explosion-proof valve 13 is provided with the explosion-proof piece 2, the middle position of the top cover plate 3 is provided with the explosion-proof hole 6, the top end of the explosion-proof hole 6 is provided with the explosion-proof cover 5, and the explosion of the battery can be prevented through the arranged explosion-proof valve 13.

Preferably, the liquid injection holes 14 are formed in the lower plastic part 1 and the top cover plate 3, the two liquid injection holes 14 are located on one side of the explosion-proof valve 13, and electrolyte can be conveniently injected through the arranged liquid injection holes 14.

The working principle is as follows: before the device is used, the safety of each structure of the device is checked firstly, two upper plastic parts 7 of the power battery cover plate which is extremely simple in structure and is injected and connected with the negative pole post 8 and the positive pole post 15 respectively in an embedding way through high-strength injection, so that the connection between the upper plastic parts 7 and the negative pole post 8 and the positive pole post 15 is more stable, the two upper plastic parts 7 are embedded into the grooves 17 through high-strength plastic injection, so that the upper plastic parts are stably installed with the top cover plate 3, the sealing ring 9 and the first boss 4 which are arranged between the upper plastic parts 7 and the grooves 17 can be favorable for ensuring the sealing stability of a product during injection, the lower plastic part 1 is respectively connected with the two first pole post holes 10 in an inverted buckling way through the two second bosses 12, so that the lower plastic part is fixed with the top cover plate 3 and is convenient to assemble, the structure is simple, the cost is lower, the sealing performance between each part can be improved through the injection and embedding way of the upper plastic parts 7, through square and circular locating holes of seting up in negative pole post 8 and positive post 15 bottom, can distinguish and prevent slow-witted, avoid putting wrong position during production.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus, and any standard components found in known art that may be commercially available or commercially available and may be readily customized based on the teachings of the specification and the drawings, and that the particular connection between the various components is by conventional means well known in the art, and that the machine, component, or apparatus is by model and circuit connection is by conventional means well known in the art, and will not be described in detail herein.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a power battery apron that square minimalist was moulded plastics, moulds piece (1) and lamina tecti (3) including down, its characterized in that: the lower plastic part (1) is provided with second pole holes (11) on two sides inside, the top cover plate (3) is provided with first pole holes (10) on two sides inside, the top cover plate (3) is provided with grooves (17) on two sides of the top, the two first pole holes (10) are respectively located in the two grooves (17), the top ends of the two first pole holes (10) are respectively provided with a first boss (4), the top ends of the two second pole holes (11) are respectively provided with a second boss (12), the two second pole holes (11) are respectively connected with the two first pole holes (10) through the two second bosses (12), the top cover plate (3) is provided with a negative pole (8) and a positive pole (15) through the two grooves (17), one end of the negative pole (8) and one end of the positive pole (15) both extend to the bottom of the lower plastic part (1), the outer side of the negative pole post (8) and the outer side of the positive pole post (15) are both fixedly provided with an upper plastic part (7), and an explosion-proof valve (13) is arranged in the middle of the interior of the lower plastic part (1).

2. The square extremely-simple injection-molded power battery cover plate according to claim 1, characterized in that: the two first pole post holes (10) are respectively positioned right above the two second pole post holes (11), and the aperture of the two first pole post holes (10) is larger than that of the two second pole post holes (11).

3. The square extremely-simple injection-molded power battery cover plate according to claim 1, characterized in that: the bottom end of the negative pole post (8) and the bottom end of the positive pole post (15) are both provided with positioning holes (16), the positioning holes (16) at the bottom end of the negative pole post (8) are square, and the positioning holes (16) at the bottom end of the positive pole post (15) are circular.

4. The square extremely-simple injection-molded power battery cover plate according to claim 1, characterized in that: two sealing rings (9) are arranged between the grooves (17) and the two upper plastic parts (7), and the two sealing rings (9) are respectively sleeved on the outer sides of the two first bosses (4).

5. The square extremely-simple injection-molded power battery cover plate according to claim 1, characterized in that: explosion-proof piece (2) are installed at the top of explosion-proof valve (13), explosion-proof hole (6) have been seted up to the intermediate position department at lamina tecti (3) top, the top of explosion-proof hole (6) is provided with explosion-proof lid (5).

6. The square extremely-simple injection-molded power battery cover plate according to claim 1, characterized in that: and liquid injection holes (14) are formed in the lower plastic part (1) and the top cover plate (3), and the two liquid injection holes (14) are positioned on one side of the explosion-proof valve (13).