CN218070136U

CN218070136U - Reverse connection preventing structure of battery pack

Info

Publication number: CN218070136U
Application number: CN202221250806.2U
Authority: CN
Inventors: 朱尤功; 李安民; 张广清
Original assignee: Henan Huamei Huichuang Intelligent Technology Co ltd
Current assignee: Henan Huamei Huichuang Intelligent Technology Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-12-16
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a group battery prevents reverse connection structure relates to battery technical field, and this group battery prevents reverse connection structure, including the battery, be provided with the terminal on the battery, the mounting groove has been seted up on the terminal, and the inside sliding connection of mounting groove has the conducting block, the conducting block comprises circular and a font with the shape of mounting groove, and fixed mounting has the dead lever on the conducting block, and fixed mounting has the connecting wire on the dead lever, and the sealed cowling has been cup jointed in the surface slip of dead lever and terminal, and the sealed cowling contacts with the top of battery, and this group battery prevents reverse connection structure, when installing the conducting block into mounting groove inside, positive pole conducting block corresponds respectively with negative pole conducting block and installs on positive mounting groove and negative pole mounting groove, because the difference of shape, and then when the installation, the negative pole can not connect on the positive pole, and then prevent to appear wrong phenomenon of connection in the wiring, has guaranteed the precision of battery when connecting, reduces and connects the phenomenon of turning over.

Description

Battery pack reverse connection prevention structure

Technical Field

The utility model relates to a battery technology field, in particular to group battery prevents reverse connection structure.

Background

The battery packs are connected in series and in parallel, the voltage of each battery is required to be the same by the battery packs connected in parallel, the output voltage is equal to the voltage of one battery, and the battery packs connected in parallel can provide stronger current.

The group battery is when using, usually need connect positive negative pole, and then when connecting the terminal on the battery, it fixes to need use the bolt usually, and then in the installation, need continuous screwing up the bolt, fixed with connecting wire and terminal, however when connecting the group battery through the connecting wire, cause the negative pole to be connected with the positive pole easily, and then cause the phenomenon of even electricity, cause the damage of connecting wire or spare part, and then influence the use of device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide the group battery and prevent reverse connection structure, when can solving the group battery and connect through the connecting wire, cause the negative pole to be connected with the positive pole easily, and then cause the problem of the phenomenon of even electricity.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a group battery prevents reverse-connection structure, includes the battery, is provided with the terminal on the battery, set up the mounting groove on the terminal, the inside sliding connection of mounting groove has the conducting block, the conducting block comprises circular and a font with the shape of mounting groove, and fixed mounting has the dead lever on the conducting block, and fixed mounting has the connecting wire on the dead lever, and the sealed cowling has been cup jointed in the surface slip of dead lever and terminal, the sealed cowling and the top contact of battery, the inside of conducting block is provided with fixing device.

Preferably, the fixing device comprises a pull rod connected inside the conductive block in a sliding manner, one end of the pull rod penetrating through the conductive block is fixedly connected with the sealing cover, an extrusion block is fixedly mounted at one end of the pull rod extending into the conductive block, and the extrusion block is trapezoidal in shape.

Preferably, the surface of the pull rod is movably sleeved with a spring, the upper end of the spring is fixedly connected with the inner wall of the conductive block, and the lower end of the spring is fixedly connected with the top of the extrusion block.

Preferably, the inside of the conductive block is slidably connected with a clamping block, a clamping groove matched with the clamping block is formed in the mounting groove, one end of the clamping block, close to the extrusion block, is inclined, and one side, opposite to the extrusion block, of the clamping block is matched with one side, opposite to the extrusion block, of the clamping block.

Preferably, the bottom of the clamping block is fixedly provided with a sliding block, the inside of the conductive block is fixedly provided with a limiting sliding rod, the surface of the limiting sliding rod is connected with the inside of the sliding block in a sliding manner, and the surface of the limiting sliding rod is movably sleeved with a return spring.

Preferably, one end of the return spring, which is close to the sliding block, is fixedly connected with the sliding block, and one end of the return spring, which is far away from the sliding block, is fixedly connected with the inner wall of the conductive block.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) This anti-butt structure of group battery, because the mounting groove has all been seted up on two terminals, the equal sliding connection in inside of two mounting grooves has the conducting block, the shape of two conducting blocks is cross and a font respectively, the positive pole is the cross, the negative pole is a font, and the length of conducting block and mounting groove is greater than the length of conducting block and mounting groove on the positive pole on the negative pole, and then when installing the conducting block into the mounting groove inside, positive conducting block corresponds respectively with the negative pole conducting block and installs on positive mounting groove and negative pole mounting groove, because the difference of shape, and then in the installation, the negative pole can not connect on the positive pole, and then prevent to appear the phenomenon of connection error in the wiring, the precision of battery when connecting has been guaranteed, reduce and connect reverse phenomenon.

(2) This group battery prevents reverse-connection structure utilizes the inclined plane of extrusion piece to extrude the inclined plane on the fixture block, and then makes the fixture block card advance the inside of draw-in groove, and then fixes the conducting block, and the convenience is connected conducting block and terminal, and then reduces bolt fastening's loaded down with trivial details nature, improves conducting block and terminal connection's convenience, reduces maintenance personal's the degree of difficulty, reduces the time of installation and maintenance.

(3) This group battery is prevented reverse-connection structure covers the terminal through the sealed cowling, and then is convenient for protect terminal and the inside spare part of conducting block, prevents with outside rainwater contact, causes the damage of inside spare part, improves the leakproofness of device.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural diagram of an anti-reverse connection structure of a battery pack of the present invention;

fig. 2 is a schematic structural diagram of an anti-reverse connection structure of a battery pack of the present invention;

FIG. 3 is an enlarged schematic view of the present invention at A in FIG. 2;

fig. 4 is an internal schematic view of the conductive block of the present invention.

Reference numerals: 1. a battery; 2. a sealing cover; 3. fixing the rod; 4. a connecting wire; 5. a binding post; 6. a conductive block; 7. mounting grooves; 8. a card slot; 9. a clamping block; 10. a limiting slide bar; 11. a slider; 12. a return spring; 13. extruding the block; 14. a spring; 15. a pull rod.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the terms greater than, less than, exceeding, etc. are understood to exclude the present numbers, and the terms above, below, inside, etc. are understood to include the present numbers. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a group battery prevents reverse-connection structure, includes battery 1, is provided with terminal 5 on the battery 1, has seted up mounting groove 7 on the terminal 5, and the inside sliding connection of mounting groove 7 has conducting block 6, and conducting block 6 comprises circular and a font with the shape of mounting groove 7, and fixed mounting has dead lever 3 on the conducting block 6, and fixed mounting has connecting wire 4 on the dead lever 3.

When connecting the positive pole, because mounting groove 7 has all been seted up on two terminals 5, the equal sliding connection in inside of two mounting grooves 7 has conducting block 6, the shape of two conducting blocks 6 is cross and a font respectively, the positive pole is the cross, the negative pole is a font, and the length of conducting block 6 and mounting groove 7 is greater than the length of conducting block 6 and mounting groove 7 on the positive pole on the negative pole, and then when installing conducting block 6 into mounting groove 7 inside, positive conducting block 6 corresponds respectively with negative pole conducting block 6 and installs on positive pole mounting groove 7 and negative pole mounting groove 7, because the difference of shape, and then in the installation, the negative pole can not connect on the positive pole, and then prevent the phenomenon of connection error from appearing in the wiring, the precision of battery 1 in the connection has been guaranteed, reduce and connect the phenomenon of turning over.

Dead lever 3 and terminal 5's surface slip has cup jointed sealed cowling 2, and sealed cowling 2 contacts with the top of battery 1, covers terminal 5 through sealed cowling 2, and then is convenient for protect terminal 5 and the inside spare part of conducting block 6, prevents with outside rainwater contact, causes the damage of inside spare part, improves the leakproofness of device.

The inside of conducting block 6 is provided with fixing device, fixing device includes sliding connection at the inside pull rod 15 of conducting block 6, pull rod 15 runs through conducting block 6's one end and 2 fixed connection of sealed cowling, the inside one end fixed mounting of pull rod 15 to conducting block 6 has extrusion piece 13, the shape of extrusion piece 13 is trapezoidal, spring 14 has been cup jointed in the surface activity of pull rod 15, the upper end of spring 14 and the inner wall fixed connection of conducting block 6, the lower extreme of spring 14 and the top fixed connection of extrusion piece 13, the inside sliding connection of conducting block 6 has fixture block 9, the inside of mounting groove 7 has been seted up with fixture block 9 looks adaptation draw-in groove 8, the one end that fixture block 9 is close to extrusion piece 13 is the slope form, fixture block 9 is anastomotic with the relative one side of extrusion piece 13 each other, the bottom fixed mounting of fixture block 9 has slider 11, the inside fixed mounting of conducting block 6 has spacing slide bar 10, the surface of spacing slide bar 10 and the inside sliding connection of slider 11, through the setting of slider 11 and spacing slide bar 10, the gliding road smoothness of fixture block 9 has been guaranteed, reduce the inside risk of fixture block 9, the inside risk of slide block 9, the conducting block 6 has been guaranteed the stability that the device used.

The surface of the limiting slide rod 10 is movably sleeved with a return spring 12, one end of the return spring 12 close to the slide block 11 is fixedly connected with the slide block 11, and one end of the return spring 12 far away from the slide block 11 is fixedly connected with the inner wall of the conductive block 6.

When the conductive block 6 is connected with the mounting groove 7, the sealing cover 2 is pulled upwards, the pull rod 15 is moved upwards, the extrusion block 13 is further moved upwards, the extrusion block 13 is extruded, the clamping block 9 is not extruded by the extrusion block 13 at the moment, the clamping block 9 is further reset through the tension action of the reset spring 12, the clamping block 9 and the sliding block 11 slide towards the inside of the conductive block 6, the sliding block 11 slides on the surface of the limiting sliding rod 10, the clamping block 9 is further contracted into the inside of the conductive block 6, the conductive block 6 is inserted into the inside of the mounting groove 7, the sealing cover 2 is loosened, the pull rod 15 resets through the spring 14, the elastic force of the spring 14 is greater than that of the reset spring 12, the inclined surface of the extrusion block 13 is further utilized to extrude the inclined surface on the clamping block 9, the clamping block 9 is further clamped into the inside of the clamping groove 8, the conductive block 6 is further fixed, the conductive block 6 and the terminal 5 are conveniently connected, the complexity of bolt fixing is further reduced, the convenience in connection between the conductive blocks 6 and the terminal 5 is improved, the difficulty of installation and maintenance personnel is reduced, and the time of the installation and maintenance personnel is shortened.

The working principle is as follows:

When the conductive block 6 is connected with the mounting groove 7, the sealing cover 2 is pulled upwards, the pull rod 15 moves upwards, the extrusion block 13 is extruded, the clamping block 9 is not extruded by the extrusion block 13 at the moment, the clamping block 9 is reset through the tension action of the reset spring 12, the clamping block 9 and the sliding block 11 slide towards the inside of the conductive block 6, the sliding block 11 slides on the surface of the limiting sliding rod 10, the clamping block 9 is contracted into the inside of the conductive block 6, the conductive block 6 is inserted into the inside of the mounting groove 7, the sealing cover 2 is loosened, the pull rod 15 resets through the spring 14, and the elastic force of the spring 14 is greater than that of the reset spring 12, so that the inclined surface of the extrusion block 13 is utilized to extrude the inclined surface of the clamping block 9, the clamping block 9 is clamped into the inside of the clamping groove 8, and the conductive block 6 is fixed.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a group battery prevents reverse connection structure, includes battery (1), is provided with terminal (5) on battery (1), its characterized in that: seted up mounting groove (7) on terminal (5), the inside sliding connection of mounting groove (7) has conducting block (6), conducting block (6) comprise circular and a font with the shape of mounting groove (7), and fixed mounting has dead lever (3) on conducting block (6), and fixed mounting has connecting wire (4) on dead lever (3), and the sliding surface of dead lever (3) and terminal (5) has cup jointed sealed cowling (2), and the top contact of sealed cowling (2) and battery (1), the inside of conducting block (6) is provided with fixing device.

2. The battery pack reverse connection preventing structure according to claim 1, wherein: fixing device includes pull rod (15) of sliding connection in conducting block (6) inside, and one end and sealed cowling (2) fixed connection that conducting block (6) were run through in pull rod (15), and pull rod (15) extend to the inside one end fixed mounting of conducting block (6) have extrusion piece (13), and the shape of extrusion piece (13) is trapezoidal.

3. The battery pack reverse connection preventing structure according to claim 2, wherein: the surface of the pull rod (15) is movably sleeved with a spring (14), the upper end of the spring (14) is fixedly connected with the inner wall of the conductive block (6), and the lower end of the spring (14) is fixedly connected with the top of the extrusion block (13).

4. A battery pack reverse connection preventing structure according to claim 3, wherein: the conductive block (6) is connected with a clamping block (9) in a sliding mode, a clamping groove (8) matched with the clamping block (9) is formed in the mounting groove (7), one end, close to the extrusion block (13), of the clamping block (9) is inclined, and the clamping block (9) is matched with one side, opposite to the extrusion block (13), of the extrusion block (13) in a mutual matching mode.

5. A battery pack reverse-connection preventing structure according to claim 4, wherein: the bottom of the clamping block (9) is fixedly provided with a sliding block (11), the inside of the conductive block (6) is fixedly provided with a limiting sliding rod (10), the surface of the limiting sliding rod (10) is connected with the inside of the sliding block (11) in a sliding mode, and the surface of the limiting sliding rod (10) is movably sleeved with a return spring (12).

6. A battery pack reverse connection preventing structure according to claim 5, wherein: one end of the return spring (12) close to the sliding block (11) is fixedly connected with the sliding block (11), and one end of the return spring (12) far away from the sliding block (11) is fixedly connected with the inner wall of the conductive block (6).