CN216563620U

CN216563620U - Battery connector

Info

Publication number: CN216563620U
Application number: CN202123231553.2U
Authority: CN
Inventors: 崔佳; 陈溢奇; 陈莹; 刘同辉
Original assignee: Fujian Tuyou New Energy Vehicle Group Co ltd
Current assignee: Fujian Tuyou New Energy Vehicle Group Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-17
Anticipated expiration: 2031-12-21

Abstract

The utility model provides a battery connector, which belongs to the field of battery components and comprises: the male head comprises a positioning piece, an electrode joint and a signal transmission joint, and the height of the positioning piece, the height of the electrode joint and the height of the signal transmission joint are reduced in a gradient manner; the female head is detachably connected with the male head; the female head comprises an electrode interface matched with the electrode joint, a positioning interface matched with the positioning piece and a signal transmission interface matched with the signal transmission joint. According to the battery connector provided by the utility model, the connection process of the male head and the female head is carried out through three stages of processes by arranging the positioning piece, the electrode connector and the signal transmission connector, so that the friction generated in the frequent plugging and unplugging process of the male head and the female head is reduced, the loss generated in the use process of the electrode connector, the electrode interface, the signal transmission connector and the signal transmission interface is reduced, and the service life of the battery connector is prolonged.

Description

Battery connector

Technical Field

The utility model belongs to the technical field of connectors, and particularly relates to a battery connector.

Background

Electric bicycles are becoming more and more people's trip choice due to the characteristics of convenience, economy, environmental protection and the like.

Along with the policy that the electric bicycle cannot go upstairs for charging and cannot be charged randomly, the battery of the electric bicycle is gradually changed from the original charging mode to the battery changing mode. The appearance of the battery changing mode inevitably needs frequent plugging of the connector of the battery changing, so that the friction between the contact pin and the plug spring of the connector is serious, the contact pin and the plug spring are seriously worn after a long time, the connection between the contact pin and the plug spring is influenced, the internal resistance is too large, and the service life of the connector is influenced. And the data transmission pin in the existing connector is smaller and has the problem of easy damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a battery connector, and aims to solve the technical problem that a contact pin and a contact spring are easily damaged in the long-term plugging process of the connector in the prior art.

The present invention provides a battery connector, comprising:

the male head comprises a positioning piece, an electrode joint and a signal transmission joint, wherein the height of the positioning piece, the height of the electrode joint and the height of the signal transmission joint are sequentially reduced in a gradient manner; the positioning pieces are symmetrically arranged by taking the electrode joint as a symmetrical center;

the female head is detachably connected with the male head; the female head comprises an electrode interface matched with the electrode joint, a positioning interface matched with the positioning piece and a signal transmission interface matched with the signal transmission joint;

when the male head is connected into the female head, the positioning piece is firstly contacted with the surface of the female head; the signal transmission contacts eventually contact the female surface.

Preferably, the male head further comprises a connecting frame; the connecting frame is provided with a first mounting groove and second mounting grooves arranged on two sides of the first mounting groove, and the electrode joint and the positioning piece are both arranged in the first mounting groove; the signal transmission joint is arranged in the second mounting groove.

Preferably, the positioning pieces are provided with at least two groups, and the positioning pieces are arranged at two ends of the first mounting groove.

Preferably, the positioning piece is of a guide pillar structure; the positioning interface is of a guide groove structure.

Preferably, the electrode connector comprises a male contact pin and a male contact spring coaxially arranged with the male contact pin; the electrode interface comprises a female contact pin and a female contact spring which is coaxial with the female contact pin; the female contact pin is matched with the male contact pin; the female plug spring is matched with the male plug spring.

Preferably, the electrode tap is disposed at a middle position of the first mounting groove.

Preferably, the signal transmission joints are provided with a plurality of groups, and the plurality of groups of signal transmission joints are arranged in a central symmetry mode around the electrode joint.

Preferably, the signal transmission joint includes:

the communication wire column is arranged in the second mounting groove; the communication wire column is matched with the signal transmission interface;

the power wire column is arranged in the second mounting groove; the power wire post and the communication wire post are arranged adjacently; the power wire column is matched with the signal transmission interface.

Preferably, the positive and negative poles of the power supply wire column in the adjacent signal transmission joint are opposite; and the positive and negative poles of the power wire column in the adjacent signal transmission joint are opposite.

Preferably, the strength of the signal transmission joint is smaller than that of the positioning piece.

The battery connector provided by the utility model has the beneficial effects that: compared with the prior art, the battery connector provided by the utility model has the advantages that the connection process of the male head and the female head is carried out through three stages of processes by arranging the positioning piece, the electrode joint and the signal transmission joint, so that the friction generated in the frequent plugging and unplugging process of the male head and the female head is reduced, the loss generated in the use process of the electrode joint, the electrode interface, the signal transmission joint and the signal transmission interface is reduced, and the service life of the battery connector is prolonged. The battery connection can also effectively solve the problem that the data transmission contact pin of the original connector is relatively small and easy to damage.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 shows a first schematic view of a battery connector used in the prior art;

FIG. 2 shows a second schematic diagram of a battery connector used in the prior art;

fig. 3 is a first schematic structural diagram illustrating a male connector used in a battery connector according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a male connector used in a battery connector according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view illustrating a male connector used in a battery connector according to an embodiment of the present invention;

fig. 6 is a first schematic structural diagram illustrating a female connector used in a battery connector according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a female connector used in a battery connector according to an embodiment of the present invention.

Icon: 1. a male head; 11. a positioning member; 12. an electrode tab; 121. a male contact pin; 122. a male plug spring; 13. a signal transmission joint; 131. a power supply terminal; 132. a communication wire post; 14. a connecting frame; 141. a first mounting groove; 142. a second mounting groove; 15. a male body; 151. a bracket hole; 2. a female head; 21. an electrode interface; 211. a female pin; 212. a female plug spring; 22. positioning an interface; 23. a signal transmission interface; 24. a positioning frame; 25. a female body; 251. a counterbore.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Positive and negative electrodes: two terminals for inputting or deriving current. One pole of the input current is called positive pole or anode, and the other pole of the output current is called negative pole or cathode.

A connector: and the male end and the female end can transmit information or current after being contacted.

Referring to fig. 3 to fig. 7, a battery connector according to the present invention will now be described. The battery connector includes: the male head 1 comprises a positioning piece 11, an electrode connector 12 and a signal transmission connector 13, and the height of the positioning piece 11, the height of the electrode connector 12 and the height of the signal transmission connector 13 are gradually reduced; the spacers 11 are symmetrically disposed with the electrode tabs 12 as a center of symmetry. The female head 2 is detachably connected with the male head 1; the female head 2 includes an electrode interface 21 adapted to the electrode connector 12, a positioning interface 22 adapted to the positioning member 11, and a signal transmission interface 23 adapted to the signal transmission connector 13. The height of the positioning piece 11, the electrode joint 12 and the signal transmission joint 13 is reduced in a gradient manner. In the process of connecting the male head 1 and the female head 2, the positioning piece 11 is connected with the positioning interface 22 at the initial stage, so that the male head 1 and the female head 2 are accurately positioned when being connected. The electrode tab 12 is then brought into contact with the electrode interface 21 and then connected. The signal transmission connector 13 is then connected to the signal transmission interface 23.

When the male head 1 is connected with the female head 2, the positioning element 1 firstly contacts the surface of the female head 2, namely the positioning element 1 firstly contacts and is connected with the positioning connector 12, then the electrode connector 12 secondly contacts the surface of the female head 2, namely the electrode connector 12 secondly contacts and is connected with the electrode interface 21, and finally the signal transmission connector 13 finally contacts the surface of the female head 2, namely the signal transmission connector 3 thirdly contacts and is connected with the signal transmission interface 23.

Compared with the prior art, the battery connector provided by the utility model has the advantages that the connection process of the male head 1 and the female head 2 is carried out through three stages by the arrangement of the positioning piece 11, the electrode joint 12 and the signal transmission joint 13, the friction generated in the frequent plugging and unplugging process of the male head 1 and the female head 2 is reduced, the loss generated in the use process of the electrode joint 12, the electrode interface 21, the signal transmission joint 13 and the signal transmission interface 23 is reduced, and the service life of the battery connector is prolonged. In the utility model, the connection between the positioning piece 11 and the positioning interface 22 and the connection between the electrode joint 12 and the electrode interface 21 effectively ensure the one-to-one correspondence between the signal transmission joints 13 and the signal transmission interfaces 23, ensure that the signal transmission joints 13 can be accurately connected with the signal transmission interfaces 23, and effectively solve the problem that the data transmission pins of the original connector are relatively small and easy to damage through the battery connection.

In the present embodiment, the positioning member 11 and the signal transmission connector 13 are symmetrical with respect to the center of the electrode connector 12. The strength of the positioning piece 11, the electrode joint 12 and the signal transmission joint 13 is reduced in a gradient manner.

In some embodiments, there are two sets of positioning members 11; the two sets of positioning members 11 are symmetrically arranged with the electrode tabs 12 as a center of symmetry. The positioning pieces 11 are symmetrically arranged, and normal connection can still be realized by rotating 180 degrees. The connection postures of the male head 1 and the female head 2 can be accurately positioned through the matching of the positioning piece 11 and the positioning interface 22.

In some embodiments, the positioning member 11 is a guide post structure. The positioning interface 22 is a channel structure. The connection mode is simple, firm and reliable.

In some embodiments, referring to fig. 3 to 7, the male connector 1 further includes a connecting frame 14, and the connecting frame 14 is connected to the positioning element 11, the electrode connector 12 and the signal transmission connector 13; the connecting frame 14 is used for making contact with the female head 2; the connection frame 14 is provided with a first installation groove 141 and a second installation groove 142, and the electrode tab 12 and the positioning member 11 are both arranged in the first installation groove 141; the signal transmission connector 13 is disposed in the second mounting groove 142. The connecting frame 14 is arranged to ensure the tightness of the connection between the male head 1 and the female body 2. Liquid such as water is prevented from permeating into a gap between the male head 1 and the female head 2 to generate electric leakage, and the safety of the battery connector is improved.

In some embodiments, the electrode tab 12 is disposed at a middle position of the first mounting groove 141; the second mounting grooves 142 are provided in a plurality in the circumferential direction of the electrode tab 12, and the plurality of second mounting grooves 142 are symmetrically disposed at both sides of the first mounting groove 141. A set of signal transmission connectors 13 is respectively disposed in each second mounting groove 142. By setting the specific kind of the signal transmission connector 13. Public first 1 or female 2 rotation 180 degrees when can realizing connecting, and public first 1 still can realize normal physical connection and electric connection with female 2.

In some embodiments, the male 1 further comprises a male body 15 connected to the connection frame 14; the electrode tab 12 is located at the center of the male body 15.

The male body 15 is provided with a bracket hole 151 adapted to the connecting bracket 14. The link bracket 14 is disposed in the bracket hole 151. The male body 15 can be quickly connected or separated with or from the female head 2.

In some embodiments, the signal transmission connector 13 includes: the communication wire post 132 and the power wire post 131, the communication wire post 132 is disposed in the second mounting groove 142; the communication stub 132 is adapted to the signal transmission interface 23; the power cord 131 is disposed in the second mounting groove 142; the power post 131 is disposed adjacent to the communication post 132; the power posts 131 are adapted to the signal transmission interface 23. The communication stub 132 is adapted to the signal transmission interface 23.

The signal transmission joints 13 are provided with a plurality of groups, the signal transmission joints 13 are arranged in central symmetry with respect to the electrode joint 12, and the positive and negative poles of the power supply wire posts 131 in the adjacent signal transmission joints 13 are opposite; the power supply posts 131 in adjacent signal transmission contacts 13 have opposite polarities.

Four groups are arranged along the signal transmission joint 13; four sets of signal transmission contacts 13 are arranged centrally symmetrically with respect to the electrode contacts 12. Public first 1 or female 2 rotation 180 degrees when can realizing connecting, and public first 1 still can realize normal physical connection and electric connection with female 2.

In some embodiments, the female head 2 further comprises a positioning frame 24, an electrode hole is formed on the positioning frame 24, and an electrode interface 21 is arranged in the electrode hole; the positioning frame 24 is provided with a positioning interface 22. The positioning frame 24 has the same shape as the first mounting groove 141. When connected, the positioning frame 24 engages with the first mounting groove 141.

In the present embodiment, the female head 2 further includes a female head main body 25; a counter bore 251 matched with the connecting frame 14 is arranged on the female head main body 25; the female head body 25 is provided with an electrode port 21 at a central position.

In some embodiments, the electrode contact 12 includes a male pin 121 and a male plug spring 122 disposed coaxially with the male pin 121; the electrode interface 21 comprises a female pin 211 and a female plug spring 212 coaxially arranged with the female pin 211; the female contact pin 211 is matched with the male contact pin 121; female plug spring 212 mates with male plug spring 122.

The utility model solves the problem that when a power battery pack is rapidly replaced by a new energy automobile and an electric bicycle (motorcycle), a contact pin and a contact spring are easily damaged in the long-term plugging and unplugging process of a connector.

The connector adopts a three-section type connection mode of two groups of positioning pieces 11 and positioning interfaces 22 to reduce the friction between the pin structure and the plug spring structure in the connection process of the male head 1 and the female head 2, reduce the loss between the pin structure and the plug spring structure and prolong the service life of the connector.

The connector adopts two groups of positioning pieces 11 and positioning interfaces 22 for positioning, and in the process of connecting the male head and the female head, firstly, the positioning pieces 11 enter the positioning interfaces 22 at the initial stage of contact, so that the male head 1 and the female head 2 are accurately positioned, and the male head 1 and the female head 2 are ensured not to shake any more;

after the positioning piece 11 and the positioning interface 22 are positioned, the thicker electrode joint 12 and the electrode interface 21 start to contact and are connected; thus, the friction between the electrode joint 12 and the electrode interface 21 is reduced, and the abrasion is reduced;

finally, the thinnest signal transmission connector 13 is connected with a signal transmission interface 23 (such as a data output pin and a plug spring, and a low-voltage power supply pin and a plug spring), after the front positioning piece 11 is connected with the positioning interface 22, and the electrode connector 12 is connected with the electrode interface 21, the relative positions and the accuracy of all parts of the male head 1 and the female head 2 are ensured, so that the thinnest signal transmission connector 13 can be well protected from being connected with the signal transmission interface 23.

The contact mode of syllogic like this for the connector can reduce the friction of contact pin structure and plug spring structure frequently pulling out the in-process of inserting, reduces the loss between contact pin structure and the plug spring structure, improves the life of connector.

The utility model also solves the problem that the data transmission pin structure of the original connector is smaller and easy to damage.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and the present invention shall be covered by the claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A battery connector, comprising:

the male head (1) comprises a positioning piece (11), an electrode joint (12) and a signal transmission joint (13), wherein the height of the positioning piece (11), the height of the electrode joint (12) and the height of the signal transmission joint (13) are gradually reduced; the positioning pieces (11) are symmetrically arranged by taking the electrode joint (12) as a symmetric center;

the female head (2) is detachably connected with the male head (1); the female head (2) comprises an electrode interface (21) matched with the electrode joint (12), a positioning interface (22) matched with the positioning piece (11) and a signal transmission interface (23) matched with the signal transmission joint (13);

when the male head (1) is connected into the female head (2), the positioning piece (11) firstly contacts the surface of the female head (2); the signal transmission joint (13) finally contacts the surface of the female head (2).

2. A battery connector as defined in claim 1, wherein: the male head (1) also comprises a connecting frame (14); a first mounting groove (141) and second mounting grooves (142) arranged at two sides of the first mounting groove (141) are formed in the connecting frame (14), and the electrode joint (12) and the positioning piece (11) are arranged in the first mounting groove (141); the signal transmission joint (13) is arranged in the second mounting groove (142).

3. A battery connector as defined in claim 2, wherein: the positioning pieces (11) are provided with at least two groups, and the positioning pieces (11) are arranged at two ends of the first installation groove (141).

4. A battery connector as defined in claim 3, wherein: the positioning piece (11) is of a guide pillar structure; the positioning interface (22) is of a guide groove structure.

5. A battery connector as defined in claim 2, wherein: the electrode contact (12) comprises a male pin (121) and a male plug spring (122) which is coaxially arranged with the male pin (121); the electrode interface (21) comprises a female contact pin (211) and a female contact spring (212) which is coaxial with the female contact pin (211); the female pin (211) is matched with the male pin (121); the female socket spring (212) is fitted with the male socket spring (122).

6. A battery connector as defined in claim 5, wherein: the electrode tab (12) is disposed at a middle position of the first mounting groove (141).

7. A battery connector as defined in claim 2, wherein: the signal transmission joints (13) are provided with a plurality of groups, and the signal transmission joints (13) are arranged in a central symmetry mode relative to the electrode joint (12).

8. A battery connector as defined in claim 7, wherein: the signal transmission joint (13) comprises:

a communication wire post (132) disposed in the second mounting groove (142); the communication stub (132) is adapted to the signal transmission interface (23);

a power cord post (131) disposed in the second mounting groove (142); the power cord post (131) is disposed adjacent to the communication cord post (132); the power cord post (131) is adapted to the signal transmission interface (23).

9. A battery connector as defined in claim 8, wherein: the positive and negative poles of the power supply wire column (131) in the adjacent signal transmission joint (13) are opposite; the positive and negative poles of the power supply wire column (131) in the adjacent signal transmission joint (13) are opposite.

10. A battery connector as defined in claim 1, wherein: the strength of the signal transmission joint (13) is smaller than that of the positioning piece (11).