Connecting structure for outer lead of battery

Abstract

The utility model relates to the technical field of battery outer leads, in particular to a connecting structure for a battery outer lead, which comprises a shell, a top cover arranged at the top of the shell, fixing columns symmetrically arranged on the upper surface of the top cover, pole columns arranged in the middles of the fixing columns, a connecting piece arranged above the pole columns and comprising a sleeve, and a threaded column arranged at the bottom of the sleeve. Polar colored gel is arranged in the middle of the sleeve, an annular threaded ring is arranged at the end of the fixing column, a mounting groove is formed in the middle of the threaded ring, and the pole penetrates into the mounting groove and penetrates through the bottom of the top cover; according to the connecting structure for the outer lead of the battery, the top cover with the sealing gasket is inserted and matched with the shell, so that the mounting tightness is improved, the shell is filled with corresponding battery components, the fixed column with the pole is inserted and matched with the top cover, the sleeve is in threaded connection with the fixed column through the threaded column, and the sleeve is filled with polar color glue; the pole and the connecting line are tightly wound and attached, the combination stability is improved, and the influence of poor contact on long-term use is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of battery external leads, and particularly relates to a connection structure for battery external leads. Background Technique

[0002] The common connecting wires for battery charging in the existing market are mostly horizontal straight exposed terminal connecting wires for battery charging. The leads are sealed on the terminals. The battery lead terminals are components for connecting the battery and external conductors, and the types include single-hole, double-hole, socket, hook, etc.;

[0003] The utility model with the publication number of CN221328030U discloses a connection structure for battery lead terminals, including a housing and a fixing device. A plurality of first bolts are arranged on the surface of the housing. The housing is provided with a wire arranging device by means of the fixing device. The wire arranging device includes a placement plate. A chute is opened on the surface of the placement plate. A sliding block is slidably connected inside the chute on the surface of the placement plate. A wire arranging block is fixedly connected to one side of the sliding block. An additional plate is fixedly connected to one side of the sliding block. A second bolt is threadedly inserted into the additional plate, and the second bolt abuts against the placement plate;

[0004] According to the above technical solution, by using the wire arranging device, the position of the battery leads can be fixed, and as much as possible, the situation that multiple battery leads are wound together when multiple battery leads are fixed to the terminals can be avoided, thereby improving the use effect of the terminals; however, when the battery external lead structure is connected to the terminals for a long time, it is easy to shake and separate, resulting in poor contact, and the connection of connecting wires with different thicknesses to the terminals is not fast and convenient enough, and it is not convenient to shorten the installation time. Content of the Utility Model

[0005] The purpose of the utility model is to provide a connection structure for battery external leads to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution:

[0007] A connection structure for battery external leads includes a housing. A top cover is arranged on the top of the housing. Fixed columns are symmetrically arranged on the upper surface of the top cover. Pole columns are arranged in the middle of the fixed columns. A connecting piece is arranged above the pole columns. The connecting piece includes a sleeve. A threaded column is arranged at the bottom of the sleeve. Polar colored glue is arranged in the middle of the sleeve. An annular threaded ring is opened at the end of the fixed column. An installation groove is opened in the middle of the threaded ring. The pole column penetrates into the installation groove and passes through the bottom of the top cover.

[0008] Furthermore, the width of the outer wall of the top cover is matched with the width of the outer shell, a sealing gasket is provided on the lower surface of the top cover, the top of the sealing gasket is bonded and fixed to the top cover, and the width of the outer wall of the sealing gasket is matched with the width of the inner wall of the shell.

[0009] In the utility model, the sealing gasket is bonded and fixed to the top cover, thereby increasing the tightness of the combination of the top cover and the outer shell, thereby increasing the protection of the battery inside the outer shell.

[0010] Specifically, handles are provided on the upper surface of the top cover near both ends, the bottom of the handles is bonded and fixed to the top cover, and the top of the sealing gasket is bonded and fixed to the bottom of the top cover.

[0011] In the utility model, the cooperation of the two pull handles helps to provide a fulcrum for opening the top cover, so as to facilitate the quick opening or disassembly of the top cover.

[0012] Secondly, the fixing column is fixed to the top cover by welding, and the pole passes through the top cover and extends to the inside of the shell.

[0013] In the utility model, the installation of two poles is helpful to electrically connect the corresponding battery and the poles, and to conduct electrical conduction.

[0014] Furthermore, the sleeve and the threaded column are an integrally formed structure, the outer diameter of the threaded column is matched with the inner diameter of the threaded ring, and a plurality of anti-slip grooves are provided on the outer wall of the sleeve.

[0015] In the utility model, with the cooperation of the threaded column, it is helpful for the sleeve to be threadedly installed and matched with the fixing column, and the space inside the fixing column is increased, which is helpful for the installation and matching of the connecting line.

[0016] It is worth adding that the polar colored glue is in the form of soft glue, which is filled into the inside of the sleeve and extends into the inside of the installation groove to fit tightly with the pole.

[0017] In the utility model, the polar colored glue is made of resin oxide, the resin oxide is injected into the inside of the sleeve and fills the installation groove, so that the resin oxide can bond and fix the connecting wire and the pole, thereby reducing the loosening and separation of the connecting wire and the pole due to long-term use, resulting in poor contact.

[0018] Furthermore, a protective sleeve is provided on the top of the sleeve, a collar is provided on the outer wall of the protective sleeve near the bottom, and the inner diameter of the protective sleeve is matched with the outer diameter of the sleeve.

[0019] In the utility model, the collar is arranged to be fixed in combination with the protective sleeve, thereby increasing the contact area and facilitating the installation or removal of the protective sleeve. The protective sleeve cooperates with the top of the sleeve to provide protection.

[0020] Specifically, a connecting wire is provided above the terminal post. The connecting wire penetrates through the protective sleeve. The bottom of the connecting wire extends to the terminal post. Fixing holes are formed in the outer wall of the terminal post. A limiting block is provided at the top of the terminal post. The end of the connecting wire extends into the fixing holes, and the connecting wire is wound around the terminal post.

[0021] In the present utility model, by providing fixing holes and in cooperation with the limiting block, the connecting wire penetrates into the fixing holes, increasing the friction between the end part and the terminal post. The limiting block limits the position of the top of the terminal post, preventing the connecting wire from detaching from the top of the terminal post and affecting the connection, thereby increasing the stability of the combination of the connecting wire and the terminal post.

[0022] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0023] 1. In the present utility model, by providing a top cover with a sealing gasket and inserting and mating it with the outer shell, the tightness of the installation is increased. The corresponding battery components are filled inside the outer shell. The fixing post with the terminal post is inserted and installed in cooperation with the top cover, and the sleeve is threadedly connected to the fixing post through the threaded post. Polar colored glue is filled in the sleeve to achieve tight winding and fitting connection between the terminal post and the connecting wire, increasing the stability of the combination and reducing the influence of poor contact on long-term use.

[0024] 2. In the present utility model, by providing metal guide pieces, it helps to electrically connect the terminal post with the battery inside the outer shell and perform corresponding battery power transmission cooperation. In cooperation with the limiting block and the fixing holes, it helps to stably combine and install the connecting wire and the terminal post. Description of the Drawings

[0025] Figure 1 is the overall structural schematic diagram of the present utility model;

[0026] Figure 2 is the combined structural schematic diagram of the top cover and the connection assembly of the present utility model;

[0027] Figure 3 is the combined structural schematic diagram of the connecting pieces of the present utility model;

[0028] Figure 4 is the combined structural schematic diagram of the connecting piece and the terminal of the present utility model;

[0029] Figure 5 is the bottom view structural schematic diagram of the top cover of the present utility model.

[0030] The meanings of each label in the figure are as follows:

[0031] 1. Connecting piece; 10. Sleeve; 100. Threaded post; 101. Anti-slip groove; 11. Polar colored glue; 12. Protective sleeve; 120. Collar;

[0032] 2. Outer shell;

[0033] 3. Top cover; 30. Gasket; 31. Pull handle; 32. Fixed column; 320. Threaded ring; 321. Installation groove; 322. Terminal post; 323. Fixed hole; 324. Limit block; 325. Metal guide piece;

[0034] 4. Connecting wire. Detailed implementation manners

[0035] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0036] Please refer to Figures 1-5 , this embodiment provides a technical solution:

[0037] A connection structure for an external lead of a battery, including a housing 2, a top cover 3 is provided on the top of the housing 2, fixed columns 32 are symmetrically provided on the upper surface of the top cover 3, terminal posts 322 are provided in the middle of the fixed columns 32, a connector 1 is provided above the terminal posts 322, the connector 1 includes a sleeve 10, a threaded post 100 is provided at the bottom of the sleeve 10, the sleeve 10 and the threaded post 100 are integrally formed structures, the outer diameter of the threaded post 100 is adapted to the inner diameter of the threaded ring 320, and a plurality of anti-slip grooves 101 are formed on the outer wall of the sleeve 10.

[0038] In the present invention, with the cooperation of the threaded post 100, it is helpful for the sleeve 10 and the fixed column 32 to be installed and matched by threads, increasing the internal space of the fixed column 32, which is helpful for the installation and cooperation of the connecting wire 4.

[0039] Furthermore, a polar colored glue 11 is provided in the middle of the sleeve 10, the polar colored glue 11 is in a soft glue state, the polar colored glue 11 fills the inside of the sleeve 10 and extends into the installation groove 321 and is in close fit with the terminal post 322.

[0040] In the present invention, the polar colored glue 11 is made of tree oxidation resin. The tree oxidation resin is injected into the sleeve 10 and fills the installation groove 321, realizing the bonding and fixing of the connecting wire 4 and the terminal post 322 by the tree oxidation resin, reducing the loosening and detachment of the connecting wire 4 and the terminal post 322 during long-term use and causing poor contact.

[0041] Specifically, a protective sleeve 12 is provided at the top of the sleeve 10, a collar 120 is sleeved on the outer wall of the protective sleeve 12 near the bottom, and the inner diameter of the protective sleeve 12 is adapted to the outer diameter of the sleeve 10.

[0042] In the utility model, a collar 120 is provided to be fixedly assembled with the protective sleeve 12 to increase the contact area, which is helpful for the installation or removal of the protective sleeve 12. The protective sleeve 12 cooperates with the top of the sleeve 10 to provide protection.

[0043] It should be noted that an annular threaded ring 320 is provided on the end of the fixing column 32 , a mounting groove 321 is provided in the middle of the threaded ring 320 , and the pole 322 penetrates into the mounting groove 321 and passes through the bottom of the top cover 3 .

[0044] Furthermore, the width of the outer wall of the top cover 3 is adapted to the width of the outer shell 2 , a sealing gasket 30 is provided on the lower surface of the top cover 3 , the top of the sealing gasket 30 is bonded and fixed to the top cover 3 , and the width of the outer wall of the sealing gasket 30 is adapted to the width of the inner wall of the shell 2 .

[0045] In the present invention, the sealing gasket 30 is bonded and fixed to the top cover 3 , thereby increasing the tightness of the combination of the top cover 3 and the outer shell 2 , thereby increasing the protection of the battery inside the outer shell 2 .

[0046] Specifically, handles 31 are provided on the upper surface of the top cover 3 near both ends, the bottom of the handle 31 is bonded and fixed to the top cover 3 , and the top of the sealing gasket 30 is bonded and fixed to the bottom of the top cover 3 .

[0047] In the utility model, the cooperation of the two pull handles 31 helps to provide a fulcrum for opening the top cover 3, so as to facilitate the quick opening or disassembly of the top cover 3.

[0048] Secondly, the fixing column 32 is fixed to the top cover 3 by welding, and the pole 322 passes through the top cover 3 and extends to the inside of the shell 2 .

[0049] In the present invention, the installation of the two poles 322 is helpful to electrically connect the corresponding battery and the pole 322 and conduct electrical conduction.

[0050] It is worth adding that a connecting wire 4 is provided above the pole 322, the connecting wire 4 passes through the protective sleeve 12, the bottom of the connecting wire 4 extends to the pole 322, a fixing hole 323 is opened on the outer wall of the pole 322, a limit block 324 is provided on the top of the pole 322, the end of the connecting wire 4 extends into the fixing hole 323, and the connecting wire 4 is wrapped around the pole 322.

[0051] In the utility model, a fixing hole 323 is provided and with the cooperation of a limiting block 324, the connecting wire 4 is inserted into the fixing hole 323, thereby increasing the friction between the end and the pole 322. The limiting block 324 limits the top position of the pole 322 to prevent the connecting wire 4 from being separated from the top of the pole 322, thereby increasing the stability of the combination of the connecting wire 4 and the pole 322.

[0052] When the connection structure for the external lead of the battery in this embodiment is in use, two fixing posts 32 with pole posts 322 are combined and connected to the top cover 3. The bottoms of the pole posts 322 are all fitted with metal guide pieces 325. The top cover 3 is inserted and fitted with the outer shell 2 with the battery through the gasket 30. The metal guide pieces 325 are electrically connected to the corresponding battery terminals. Then, the connecting wire 4 is inserted into the fixing hole 323 in the pole post 322, and the connecting wire 4 is wound around the pole post 322. With the cooperation of the limiting block 324, the position of the connecting wire 4 is limited. Then, the polar colored glue 11 is added from the sleeve 10 to the installation groove 321. The tree resin has a short curing time, realizing the tight bonding and protection of the connecting wire 4 and the pole post 322, and reducing the influence of poor contact caused by loosening during long-term use;

[0053] The overall combined installation is convenient. With the cooperation of a plurality of anti-slip grooves 101, the friction force is increased, which helps the sleeve 10 to be threadedly connected with the threaded ring 320 through the threaded post 100. Finally, the protective sleeve 12 with the collar 120 is inserted and fitted with the sleeve 10 to realize the protection of the top of the sleeve 10 and reduce the influence of contact erosion.

Claims

1. A connection structure for battery external leads, comprising a housing (2), a top cover (3) being provided on the top of the housing (2), fixing columns (32) being symmetrically provided on the upper surface of the top cover (3), poles (322) being provided in the middle of the fixing columns (32), and a connecting piece (1) being provided above the poles (322), characterized in that: The connecting piece (1) comprises a sleeve (10), a threaded column (100) is provided at the bottom of the sleeve (10), a polar colored glue (11) is provided in the middle of the sleeve (10), an annular threaded ring (320) is provided at the end of the fixing column (32), a mounting groove (321) is provided in the middle of the threaded ring (320), and the pole (322) is inserted into the mounting groove (321) and passes through the bottom of the top cover (3).

2. The connection structure for battery external leads according to claim 1, characterized in that: The width of the outer wall of the top cover (3) is matched to the width of the outside of the outer shell (2); a sealing gasket (30) is provided on the lower surface of the top cover (3); the top of the sealing gasket (30) is bonded and fixed to the top cover (3); and the width of the outer wall of the sealing gasket (30) is matched to the width of the inner wall of the outer shell (2).

3. The connection structure for battery external leads according to claim 2, characterized in that: The upper surface of the top cover (3) is provided with handles (31) near both ends, the bottom of the handles (31) is bonded and fixed to the top cover (3), and the top of the sealing gasket (30) is bonded and fixed to the bottom of the top cover (3).

4. The connection structure for battery external leads according to claim 1, characterized in that: The fixing column (32) is fixed to the top cover (3) by welding, and the pole (322) penetrates the top cover (3) and extends into the interior of the outer shell (2).

5. The connection structure for battery external leads according to claim 1, characterized in that: The sleeve (10) and the threaded column (100) are an integrally formed structure; the outer diameter of the threaded column (100) is matched with the inner diameter of the threaded ring (320); and a plurality of anti-slip grooves (101) are provided on the outer wall of the sleeve (10).

6. The connection structure for battery external leads according to claim 1, characterized in that: The polar colored glue (11) is in the form of soft glue, and the polar colored glue (11) is filled into the sleeve (10) and extends into the installation groove (321) to fit tightly with the pole (322).

7. The connection structure for battery external leads according to claim 1, characterized in that: A protective sleeve (12) is provided at the top of the sleeve (10), a collar (120) is provided on the outer wall of the protective sleeve (12) near the bottom, and the inner diameter of the protective sleeve (12) is matched with the outer diameter of the sleeve (10).

8. The connection structure for battery external leads according to claim 7, characterized in that: A connecting wire (4) is provided above the pole (322), the connecting wire (4) passes through the protective sleeve (12), the bottom of the connecting wire (4) extends to the pole (322), a fixing hole (323) is provided on the outer wall of the pole (322), a limiting block (324) is provided on the top of the pole (322), the end of the connecting wire (4) extends into the fixing hole (323), and the connecting wire (4) is wound around the pole (322).

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