CN215816301U

CN215816301U - Zero-joint device for positive lug

Info

Publication number: CN215816301U
Application number: CN202121781810.7U
Authority: CN
Inventors: 邓迎春
Original assignee: Dongguan Jintong Energy Technology Co ltd
Current assignee: Dongguan Jintong Energy Technology Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-02-11
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a positive lug zero joint device, which comprises a connecting base and an opening plate, wherein one side of the connecting base is inserted with a lug, the top end of the connecting base is provided with an opening and closing groove, the middle part of the inner cavity of the opening and closing groove is provided with a connecting groove, the middle part of the inner cavity of the connecting groove is connected with a connecting column, the surface of the connecting column is sleeved with a connecting line, one side of the inner cavity of the connecting groove, which is close to the lug, is hinged with a wire pressing plate, the middle part of the back surface of the wire pressing plate is fixedly connected with a pressing ring, the two sides of the inner cavity of the opening and closing groove are provided with sliding grooves, and the inner cavity of the sliding grooves is connected with a sliding block in a sliding manner. The connection is more convenient and faster, and the sealing performance of the connection is better.

Description

Zero-joint device for positive lug

Technical Field

The utility model relates to the technical field of zero joint devices, in particular to a positive lug zero joint device.

Background

The battery is divided into positive and negative electrodes, the tabs are metal conductors leading out the positive and negative electrodes from the battery core, and the ears of the positive and negative electrodes of the battery are contact points during charging and discharging. This contact point is not the copper sheet that we see on the outside of the cell, but rather a connection inside the cell. The tab is divided into three materials, the positive pole of the battery uses aluminum material, the negative pole uses nickel material, the negative pole also has copper nickel plating material, they are all compounded by film and metal strap.

The existing positive tab zero joint device also generates some new requirements in the using process, one of which is as follows: when a plurality of batteries are connected, the positive lugs are directly connected in a welding mode, professional welding equipment is needed, and the connection is very inconvenient; the second step is as follows: the junction of the existing positive lug and the line connection back line and the positive lug is not provided with a line clamping mechanism, and the connecting line is easy to loosen after being pulled, so that poor contact is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a positive tab zero joint device, which aims to solve the problems that when a plurality of batteries are connected, positive tabs are often directly connected in a welding mode, professional welding equipment is needed, and the connection is very inconvenient; the junction of the existing positive lug and the line connection back line and the positive lug has no line clamping mechanism, and the connecting line is easy to loosen after being pulled, so that the problem of poor contact is caused.

In order to achieve the purpose, the utility model provides the following technical scheme: a positive lug zero joint device comprises a connecting base and a split plate, wherein a lug is inserted into one side of the connecting base, an opening and closing groove is formed in the top end of the connecting base, a connecting groove is formed in the middle of an inner cavity of the opening and closing groove, a connecting column is fixedly connected to the middle of the inner cavity of the connecting groove, a connecting line is sleeved on the surface of the connecting column, first threaded holes are formed in two ends, far away from the lug, of the inner cavity of the connecting groove, a wire pressing plate is hinged to one side, close to the lug, of the inner cavity of the connecting groove, a pressing ring is fixedly connected to the middle of the back of the wire pressing plate, second threaded holes are formed in two ends, close to the lug, of the back of the wire pressing plate, sliding grooves are formed in two sides of the inner cavity of the opening and closing groove, sliding blocks are connected to the inner cavity of the sliding grooves in a sliding mode, and one sides, close to the two sliding blocks, are respectively connected with two ends of one side of the split plate in a sliding mode, third screw hole has all been seted up to the both sides at open-close plate top, the threading groove has been seted up at the middle part that open-close plate kept away from utmost point ear one side, the inner chamber joint in threading groove has card line mechanism, card line mechanism includes spacing ring, joint post, go-between and a plurality of fan-shaped shell fragment, just spacing ring, joint post, go-between and a plurality of fan-shaped shell fragment formula structure as an organic whole, the top of spacing ring is equipped with the joint post, the top of joint post is equipped with the go-between, the avris equidistance on go-between top is equipped with a plurality of fan-shaped shell fragments.

As a preferred technical solution of the present invention, the inner cavity of the first threaded hole, the inner cavity of the second threaded hole, and the inner cavity of the third threaded hole are all screwed on the surface of the fixing bolt.

As a preferable technical solution of the present invention, the length and the width of the tension plate are the same as those of the connecting groove, and the sum of the heights of the tension plate and the compression ring is equal to the depth of the opening and closing groove.

As a preferable technical scheme of the utility model, the aperture of the pressing ring is larger than that of the connecting column, the pressing ring is made of an insulating rubber material, and the connecting column is made of a conductive metal aluminum material.

As a preferred technical scheme of the utility model, a plurality of fan-shaped elastic sheets surround to form a conical structure.

As a preferable technical scheme of the utility model, the opening plate is of an L-shaped structure, and the opening plate is matched with the opening groove.

As a preferable technical scheme of the utility model, one end of the electrode lug, which is close to the first threaded hole, is fixedly connected with the bottom end of the connecting column.

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

the surface through passing card line mechanism with the one end of connecting wire cup joints with the spliced pole, then compress tightly the line ball board, the clamping ring cup joints on the spliced pole, then slide the division board, make the division board cover the opening and shutting groove, rethread fixing bolt fixes, the wiring is accomplished, need not weld with the help of welding equipment, connect more convenient and fast, the sealing performance of junction is also better, card line mechanism has been cup jointed on the surface of connecting wire, it is spacing to carry out the chucking to the surface of connecting wire to utilize the conical structure that fan-shaped shell fragment in the card line mechanism encloses, prevent that the connecting wire from receiving external force and dragging the back fracture, lead to contact failure.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a top view of the connection base of the present invention;

FIG. 3 is a cross-sectional view of the connection base of the present invention;

FIG. 4 is a side view of the present invention;

fig. 5 is a schematic structural view of the wire clamping mechanism of the present invention.

In the figure: 1. connecting a base; 2. opening and closing the groove; 3. connecting grooves; 4. a wire pressing plate; 5. an electrode tab; 6. a first threaded hole; 7. pressing a ring; 8. connecting columns; 9. a second threaded hole; 10. a connecting wire; 11. a chute; 12. a slider; 13. opening and closing the board; 14. a wire clamping mechanism; 15. a limiting ring; 16. a clamping column; 17. a connecting ring; 18. a fan-shaped elastic sheet; 19. a third threaded hole; 20. fixing the bolt; 21. a threading groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the utility model provides a positive tab zero joint device, which comprises a connecting base 1 and a split plate 13, wherein one side of the connecting base 1 is inserted with an electric tab 5, the top end of the connecting base 1 is provided with an opening and closing groove 2, the middle part of the inner cavity of the opening and closing groove 2 is provided with a connecting groove 3, the middle part of the inner cavity of the connecting groove 3 is fixedly connected with a connecting post 8, the surface of the connecting post 8 is sleeved with a connecting wire 10, both ends of the inner cavity of the connecting groove 3, which are far away from the electric tab 5, are provided with first threaded holes 6, one side of the inner cavity of the connecting groove 3, which is close to the electric tab 5, is hinged with a wire pressing plate 4, the middle part of the back surface of the wire pressing plate 4 is fixedly connected with a pressing ring 7, both ends of the back surface of the wire pressing plate 4, which is close to the electric tab 5, are provided with second threaded holes 9, both sides of the inner cavity of the opening and closing groove 2 are provided with sliding grooves 11, the inner cavity of the sliding grooves 11 are connected with sliding blocks 12, one side of the two sliding blocks 12, which are respectively connected with both ends of the split plate 13 in a sliding way, third threaded holes 19 are formed in two sides of the top of the opening plate 13, a threading groove 21 is formed in the middle of one side, away from the electrode lug 5, of the opening plate 13, a wire clamping mechanism 14 is clamped in an inner cavity of the threading groove 21, the wire clamping mechanism 14 comprises a limiting ring 15, a clamping column 16, a connecting ring 17 and a plurality of fan-shaped elastic pieces 18, the limiting ring 15, the clamping column 16, the connecting ring 17 and the fan-shaped elastic pieces 18 are of an integrated structure, the clamping column 16 is arranged at the top end of the limiting ring 15, the connecting ring 17 is arranged at the top end of the clamping column 16, and the fan-shaped elastic pieces 18 are arranged on the side edge of the top end of the connecting ring 17 at equal intervals; through the surface that passes card line mechanism 14 and spliced pole 8 with the one end of connecting wire 10 cup joints, then compress tightly line ball board 4, the clamping ring 7 cup joints on spliced pole 8, then slide opening plate 13, make opening plate 13 cover opening and closing groove 2, rethread fixing bolt 20 fixes, the wiring is accomplished, need not weld with the help of welding equipment, it is more convenient and fast to connect, the sealing performance of junction is also better, card line mechanism 14 has been cup jointed on the surface of connecting wire 10, it is spacing to carry out the chucking on the surface of connecting wire 10 with the conical structure that 18 of fan-shaped shell fragment that utilize on the card line mechanism 14 enclose, prevent that connecting wire 10 from receiving external force and dragging the back fracture, lead to contact failure.

Preferably, the inner cavity of the first threaded hole 6, the inner cavity of the second threaded hole 9 and the inner cavity of the third threaded hole 19 are all in threaded connection on the surface of the fixing bolt 20, the first threaded hole 6, the second threaded hole 9 and the third threaded hole 19 are connected through the fixing bolt 20, on one hand, the wire pressing plate 4 pressed in the connecting groove 3 is fixed, and on the other hand, the opening plate 13 is fixed, so that the opening plate 13 is prevented from sliding.

Preferably, the length and the width of line ball board 4 are the same with the length and the width of spread groove 3, and the high sum of line ball board 4 and clamping ring 7 equals the degree of depth in groove 2 that opens and shuts, guarantees that line ball board 4 pressfitting can be parallel with the bottom in line ball board 4 groove 2 that opens and shuts behind the spread groove 3.

Preferably, the aperture of clamping ring 7 is greater than the aperture of spliced pole 8, and clamping ring 7 is made by insulating rubber material, and spliced pole 8 is made by conductive metal aluminium material, and the inner chamber of clamping ring 7 cup joints with spliced pole 8's surface to the junction of spliced pole 8 and spliced pole 8 is compressed tightly through the bottom of clamping ring 7.

Preferably, the fan-shaped elastic pieces 18 enclose a conical structure, and the conical structure is used for clamping wires and preventing the wires from being pulled and broken by external force.

Preferably, the opening plate 13 is of an L-shaped structure, and the opening plate 13 is matched with the opening and closing groove 2.

Preferably, one end of the electrode lug 5 close to the first threaded hole 6 is fixedly connected with the bottom end of the connecting column 8.

When the wire clamping mechanism is used specifically, the wire clamping mechanism 14 is clamped in an inner cavity of the threading groove 21, one end of the connecting wire 10 penetrates through the wire clamping mechanism 14 to be sleeved with the surface of the connecting column 8, then the wire pressing plate 4 is pressed tightly, the pressing ring 7 on the wire pressing plate 4 is sleeved on the connecting column 8, on one hand, the connecting position of the connecting wire 10 and the connecting column 8 is pressed tightly, on the other hand, the pressing ring 7 also seals and insulates the surface of the connecting column 8, then the opening plate 13 is slid to cover the opening groove 2 through the opening plate 13, at the moment, the first threaded hole 6, the second threaded hole 9 and the third threaded hole 19 are on the same vertical line, then the fixing bolt 20 is used for fixing, the wiring is completed, welding equipment is not needed, the connection is more convenient and rapid, the sealing performance of the connecting position is better, the wire clamping mechanism 14 is sleeved on the surface of the connecting wire 10, the conical structure formed by the fan-shaped elastic pieces 18 on the wire clamping mechanism 14 is used for clamping the surface of the connecting wire 10 for limiting, when the connecting wire 10 receives an outward pulling force, the fan-shaped elastic sheet 18 blocks the connecting wire, so that the connecting wire 10 is prevented from being broken after being pulled by an external force, and poor contact is avoided.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a positive tab zero joint device, includes connection base (1) and open-close plate (13), its characterized in that: an electrode lug (5) is inserted into one side of the connecting base (1), an opening and closing groove (2) is formed in the top end of the connecting base (1), a connecting groove (3) is formed in the middle of the inner cavity of the opening and closing groove (2), a connecting column (8) is fixedly connected to the middle of the inner cavity of the connecting groove (3), a connecting line (10) is sleeved on the surface of the connecting column (8), first threaded holes (6) are formed in two ends of the inner cavity of the connecting groove (3) far away from one side of the electrode lug (5), a wire pressing plate (4) is hinged to one side of the inner cavity of the connecting groove (3) close to the electrode lug (5), a pressing ring (7) is fixedly connected to the middle of the back of the wire pressing plate (4), second threaded holes (9) are formed in two ends of the back of the wire pressing plate (4) close to one side of the electrode lug (5), sliding grooves (11) are formed in two sides of the inner cavity of the opening and closing groove (2), the inner cavity of the sliding groove (11) is connected with sliding blocks (12) in a sliding manner, one side, close to each other, of each of the two sliding blocks (12) is connected with two ends of one side of the opening plate (13) in a sliding manner respectively, third threaded holes (19) are formed in two sides of the top of the opening plate (13), a threading groove (21) is formed in the middle of one side, far away from the electrode lug (5), of the opening plate (13), a thread clamping mechanism (14) is clamped in the inner cavity of the threading groove (21), the thread clamping mechanism (14) comprises a limiting ring (15), clamping columns (16), a connecting ring (17) and a plurality of fan-shaped elastic pieces (18), the limiting ring (15), the clamping columns (16), the connecting ring (17) and the fan-shaped elastic pieces (18) are of an integrated structure, the clamping columns (16) are arranged at the top ends of the limiting ring (15), the connecting ring (17) is arranged at the top ends of the clamping columns (16), the avris equidistance on go-between (17) top is equipped with a plurality of fan-shaped shell fragments (18).

2. The positive tab zero-junction device according to claim 1, wherein: and the inner cavity of the first threaded hole (6), the inner cavity of the second threaded hole (9) and the inner cavity of the third threaded hole (19) are in threaded connection with the surface of the fixing bolt (20).

3. The positive tab zero-junction device according to claim 1, wherein: the length and the width of the line pressing plate (4) are the same as those of the connecting groove (3), and the sum of the heights of the line pressing plate (4) and the pressing ring (7) is equal to the depth of the opening and closing groove (2).

4. The positive tab zero-junction device according to claim 1, wherein: the aperture of clamping ring (7) is greater than the aperture of spliced pole (8), just clamping ring (7) are made by insulating rubber material, spliced pole (8) are made by conductive metal aluminium material.

5. The positive tab zero-junction device according to claim 1, wherein: the fan-shaped elastic sheets (18) form a conical structure in a surrounding mode.

6. The positive tab zero-junction device according to claim 1, wherein: the opening plate (13) is of an L-shaped structure, and the opening plate (13) is matched with the opening and closing groove (2).

7. The positive tab zero-junction device according to claim 1, wherein: one end of the electrode lug (5) close to the first threaded hole (6) is fixedly connected with the bottom end of the connecting column (8).