CN218513651U

CN218513651U - Battery internal thread terminal

Info

Publication number: CN218513651U
Application number: CN202222408018.8U
Authority: CN
Inventors: 许文; 武占耀; 万俊朝
Original assignee: Senke Chuangneng Jiangsu New Energy Technology Co ltd
Current assignee: Senke Chuangneng Jiangsu New Energy Technology Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-02-21
Anticipated expiration: 2032-09-09

Abstract

The utility model provides a battery female terminal, including first end and second end, first internal thread has been seted up to first end, the second internal thread has been seted up to the second end, first internal thread length with second internal thread length sum is less than the length of terminal body. The utility model discloses a set up first end and second end and separate the terminal body for two independent connection space, avoided electrolyte in the battery because of climbing the corruption and the outward appearance influence problem that the alkali caused the terminal, also effectively prolonged the life of battery when having improved the security of battery and reliability.

Description

Battery internal thread terminal

Technical Field

The utility model relates to a battery technology field, concretely relates to female screw terminal of battery.

Background

The multi-connected battery is the battery with the highest use frequency in our life, and the multi-connected battery adopts the through-wall welding technology, so that the volume of the battery is greatly reduced, and the specific energy of the battery is improved. On the one hand, small capacity alkaline batteries, particularly multi-piece small capacity batteries, are limited by the internal space of the battery, which presents a lot of difficulties in designing the size and shape of the terminals of the battery. Therefore, the design defects of the terminal of the small-sized battery often cause difficult battery assembly and leakage corrosion, especially the alkaline water-based battery, if the terminal is not sealed tightly, electrolyte can creep out along the gap under the action of electric capillary, the appearance of the battery is influenced, the terminal of the battery is corroded, the connection resistance is increased, and the service performance of the battery is seriously influenced.

Therefore, it is necessary to overcome the problem of alkali leakage while ensuring the sealing property, and it is necessary to design the terminal structure.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a battery female terminal.

In order to solve the technical problem, the utility model discloses a technical scheme is: the terminal body comprises a first end and a second end, a first internal thread is formed in the first end, a second internal thread is formed in the second end, and the sum of the length of the first internal thread and the length of the second internal thread is smaller than the length of the terminal body.

In the present invention, preferably, the first internal thread and the second internal thread have the same thread direction.

The utility model discloses in, preferably, fixedly connected with utmost point post setting element is held to the second of terminal body, utmost point post setting element includes integrated into one piece's screw post portion, spacing boss and equipment portion in proper order, screw post portion arrange in the one end of spacing boss, equipment portion arrange in the other end of spacing boss, screw post portion with the second internal thread suits so the second of terminal body end with utmost point post setting element threaded connection.

The utility model discloses in, preferably, the terminal body with be equipped with the sealing member between the utmost point post setting element, the sealing member sets up to sealed rubber ring.

The utility model discloses in, preferably, the outside cover of terminal body is equipped with polarity sign snap ring, the inner edge size and the terminal body outer fringe size looks adaptation of polarity sign snap ring.

The utility model discloses in, preferably, the first end outer fringe symmetry of terminal body is seted up flutedly, the length less than or equal to first internal screw thread length of recess.

The utility model discloses in, preferably, spacing boss is close to one side of stud portion with the inner edge of battery cover is inconsistent.

The present invention is preferably configured such that the gap between the terminal body and the battery cover is filled with a sealant.

The utility model has the advantages and positive effects that: the two-section terminal design is convenient for assembling the battery; the terminal body is divided into two independent connecting spaces by the first end and the second end, so that the problems of corrosion and alkali leakage of the terminal possibly caused by electrolyte in the battery are avoided, the safety and the reliability of the battery are improved, and the service lives of the terminal and the battery are effectively prolonged; because the first internal thread and the second external thread are arranged in the same direction, the influence on the internal structure of the battery cannot occur in the external connection process, and the terminal is prevented from rotating; be equipped with the sealing member between utmost point post setting element and terminal body, the sealing member sets up to sealed rubber ring, and sealed rubber ring can effectively prevent electrolyte from climbing alkali along utmost point post, has increased the seal between terminal body and the utmost point post setting element.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a terminal and pole positioning member of a battery female terminal according to the present invention;

fig. 2 is a schematic cross-sectional view of a terminal body of the battery female terminal according to the present invention;

fig. 3 is a schematic view of the terminal of the female terminal of the battery of the present invention mounted on the battery cover;

fig. 4 is a partially enlarged structural view of a in fig. 3;

fig. 5 is a bottom schematic view of the terminal of the female terminal of the battery of the present invention mounted on the battery cover;

fig. 6 is a partially enlarged structural view of B in fig. 5.

In the figure: 1. a terminal body; 2. a first end; 3. a second end; 4. a first internal thread; 5. a second internal thread; 6. a pole positioning piece; 7. a stud portion; 8. a limiting boss; 9. an assembling part; 10. a seal member; 12. a groove; 13. a polar identification snap ring; 14. a battery cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

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 a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.

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 in the description of the invention herein 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.

The structural design of the terminals has plagued cell sealing, high current output and appearance due to space constraints in small capacity alkaline cells, particularly in multi-piece small capacity cells.

As shown in fig. 2, the utility model provides a battery female screw terminal, including terminal body 1, terminal body 1 includes first end 2 and second end 3, and first internal thread 4 has been seted up to first end 2, second internal thread 5 has been seted up to second end 3, first internal thread 4 length with the sum of second internal thread 5 length is less than terminal body 1's length. Providing the terminal body 1 as a two-piece terminal including the first end 2 and the second end 3 facilitates assembly of the battery while preventing alkali creep along the stud portion 7.

In the present embodiment, further, the thread directions of the first internal thread 4 and the second internal thread 5 are the same. By arranging the first internal thread 4 and the second internal thread 5 in the same direction, the connection between the second end 3 and the inside of the battery is not adversely affected when the first end 2 is screwed down by the external connection of the first internal thread 4, and the assembly between the terminal body 1 and the battery cover 14 is facilitated.

As shown in fig. 1, 5 and 6, in this embodiment, further, the second end 3 of the terminal body 1 is fixedly connected with a post positioning element 6, the post positioning element 6 sequentially includes an integrally formed stud portion 7, a limiting boss 8 and an assembling portion 9, the stud portion 7 is arranged at one end of the limiting boss 8, the assembling portion 9 is arranged at the other end of the limiting boss 8, the stud portion 7 is adapted to the second internal thread 5 so that the second end 3 of the terminal body 1 is in threaded connection with the post positioning element 6, and the assembling portion 9 can play a role in limiting the position of a post.

In this embodiment, a sealing member 10 is further disposed between the terminal body 1 and the pole positioning member 6, and the sealing member 10 is configured as a sealing rubber ring. The sealing rubber ring can be arranged to squeeze the gap between the terminal body 1 and the pole positioning piece 6, so as to ensure the sealing performance after being assembled with the battery cover 14.

In this embodiment, further, a polarity mark snap ring 13 is sleeved outside the terminal body 1, and the inner edge size of the polarity mark snap ring 13 is matched with the outer edge size of the terminal body 1.

In this embodiment, further, the outer edge of the first end 2 of the terminal body 1 is symmetrically provided with a groove 12, and the length of the groove 12 is less than or equal to the length of the first internal thread 4. The groove 12 can facilitate assembly and fastening sealing, and can prevent the terminal body 1 from rotating after sealing, thereby further avoiding the negative influence on the internal connection of the second end 3 and the battery cover 14 when the terminal body is fastened through the external connection of the first end 2.

As shown in fig. 3 and 4, in the present embodiment, further, a side of the limit projection 8 near the stud part 7 abuts against an inner edge of the battery cover 14. The polarity identification snap ring 13 is sleeved outside the terminal body 1, when the terminal body 1 is assembled on the battery cover 14, the relative position between the first end 2 of the terminal body 1 and the battery cover 14 is limited, so that the terminal post positioning piece 6 is conveniently connected with the second end 3 of the electronic body, and the situation that the terminal body 1 is likely to shake after being installed on the battery cover 14 is avoided; in addition, the structural design of the terminal body 1 effectively utilizes the space inside the battery, and the overall structure is simple when the terminal body is assembled with the battery cover 14.

In this embodiment, further, the gap between the terminal body 1 and the battery cover 14 is filled with a sealant, and the gap between the terminal body 1 and the battery cover 14 is filled with the sealant, so that the sealing performance between the terminal body 1 and the battery cover 14 can be improved, the interaction relationship between the terminal body 1 and the battery cover 14 is reduced, and further, adverse effects on the internal connection between the second end 3 and the battery cover 14 when the first end 2 is externally connected and fastened are avoided.

The utility model discloses a theory of operation and working process as follows: during assembly, the polarity identification snap ring 13 is sleeved outside the terminal body 1, one end of the polarity identification snap ring 13 is arranged along the outer edge of the battery cover 14 until the polarity identification snap ring 13 abuts against the outer edge of the battery cover 14, a sealing adhesive is filled in a gap between the terminal body 1 and the battery cover 14 to enable the terminal body 1 and the battery cover 14 to be relatively fixedly connected, then the pole positioning piece 6 is arranged inside the battery cover 14 to enable the screw column part 7 to align with the second end 3 of the terminal body 1 to be matched and screwed with the second internal thread 5 until the limiting boss 8 abuts against the inner edge of the battery cover 14, the length of the screw column part 7 is equal to or slightly greater than the length of the second internal thread 5, a sealing piece 10 is arranged between the pole positioning piece 6 and the terminal body 1, the sealing piece 10 is arranged as a sealing rubber ring, the sealing rubber ring can effectively prevent electrolyte from climbing alkali along the pole, the tightness between the terminal body 1 and the pole positioning piece 6 is increased, finally, the first end 2 of the terminal body 1 is fixedly connected with the outside through the first internal thread 4 and the second external thread, the external thread are in the same direction, the connecting position of the terminal is independent of the terminal, the terminal is separated from being corroded along the internal thread, and the internal thread of the terminal, and the terminal is effectively prolonging the service life of the terminal, and the terminal.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. The battery internal thread terminal is characterized by comprising a terminal body (1), wherein the terminal body (1) comprises a first end (2) and a second end (3), a first internal thread (4) is formed in the first end (2), a second internal thread (5) is formed in the second end (3), and the sum of the length of the first internal thread (4) and the length of the second internal thread (5) is smaller than the length of the terminal body (1).

2. The female battery terminal as claimed in claim 1, wherein the first female screw thread (4) and the second female screw thread (5) have the same thread direction.

3. The battery female screw terminal according to claim 1, wherein the second end (3) of the terminal body (1) is fixedly connected with a pole positioning piece (6), the pole positioning piece (6) sequentially comprises an integrally formed stud portion (7), a limiting boss (8) and an assembling portion (9), the stud portion (7) is arranged at one end of the limiting boss (8), the assembling portion (9) is arranged at the other end of the limiting boss (8), and the stud portion (7) is matched with the second female screw (5) so that the second end (3) of the terminal body (1) is in threaded connection with the pole positioning piece (6).

4. The battery female screw terminal according to claim 3, characterized in that a sealing member (10) is arranged between the terminal body (1) and the pole positioning member (6), and the sealing member (10) is configured as a sealing rubber ring.

5. The battery internal thread terminal as claimed in claim 1, wherein the terminal body (1) is externally sleeved with a polarity identification snap ring (13), and the size of the inner edge of the polarity identification snap ring (13) is matched with the size of the outer edge of the terminal body (1).

6. The battery female screw terminal according to claim 1, characterized in that the first end (2) of the terminal body (1) is symmetrically provided with grooves (12) at the outer edge, and the length of the grooves (12) is less than or equal to the length of the first female screw (4).

7. The battery internal thread terminal as claimed in claim 3, wherein one side of the limit boss (8) close to the stud part (7) is abutted against the inner edge of the battery cover (14).

8. The battery female terminal according to claim 7, wherein a gap between the terminal body (1) and the battery cover (14) is filled with a sealant.