Battery connecting line

Abstract

The utility model relates to a battery connecting line, which comprises a first line pipe, a second line pipe, a transparent pipe, a melt and a mounting cylinder, the melt comprises a fusing part and two connecting parts, the fusing part is integrally formed between the two connecting parts, the fusing part is mounted in the mounting cylinder, and the fusing part is connected with the transparent pipe. An internal wire of the first wire pipe is connected with one of the connecting parts and is connected with the second wire pipe in the same way, the transparent pipe is arranged on the mounting cylinder in a sleeving manner, and a sealing pipe is formed among the transparent pipe, the first wire pipe and the second wire pipe through injection molding. The battery connecting line has the effect of improving the safety of the battery connecting line.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery connection, in particular to a battery connecting wire. BACKGROUND

[0002] As an energy device, batteries are widely used in electric vehicles, electric tools and household appliances. Batteries and controllers, as well as batteries and batteries, need to be electrically connected through battery connecting wires. The conventional battery connecting wire is only a section of wire with connecting terminals at both ends. In order to achieve protection function, a fuse box must be installed between the two sections of wire.

[0003] A battery connecting wire is disclosed in Chinese Patent No. CN217740923U, which includes a first connecting segment and a second connecting segment. The first connecting segment and the second connecting segment are connected by a fuse device. The fuse device includes a housing and a fuse. The housing includes an inner shell and an outer shell that is sleeved outside the inner shell. The inner shell has a cavity, and the fuse is arranged in the cavity. The fuse has a first end and a second end. The inner shell is made of thermosetting material. The first connecting segment is fixedly connected to the first end of the fuse after passing through the outer shell and the inner shell. The second connecting segment is fixedly connected to the second end of the fuse after passing through the outer shell and the inner shell. The utility model integrates the fuse device, greatly improves the safety, ensures the reliable breaking of the fuse, and improves the reliability of the connection.

[0004] In view of the related technology in the above, in the prior art, the first connecting segment passes through the first end sleeve, the second connecting segment passes through the second end sleeve, and finally the first end sleeve and the second end sleeve are inserted into the sleeve body to realize the protection and installation of the fuse. However, such a structure for assembly may have gaps. If the temperature difference is large, there is a possibility of condensation water in the sleeve body, or when it rains, rainwater may seep into the sleeve body from between the wire segment and the end sleeve or between the end sleeve and the sleeve body, and come into contact with the fuse, which poses a risk of short circuit and reduces the safety of the battery connecting wire. UTILITY MODEL CONTENTS

[0005] In order to improve the safety of the battery connecting wire, the present application provides a battery connecting wire.

[0006] The present application provides a battery connecting wire using the following technical solution:

[0007] A battery connecting wire includes a first wire tube, a second wire tube, a transparent tube, a fuse and a mounting cylinder. The fuse includes a fuse portion and two connecting portions. The fuse portion is integrally formed between the two connecting portions. The fuse portion is installed in the mounting cylinder. The internal wire of the first wire tube is connected to one of the connecting portions. Similarly, the second wire tube is connected. The transparent tube is sleeved on the mounting cylinder. The transparent tube, the first wire tube and the second wire tube are connected by a sealing tube formed by injection molding.

[0008] By adopting the technical scheme, during installation, the fusing part is installed in the installation cylinder, the transparent tube is sleeved on the installation cylinder, the internal wire in the first wire tube is connected with one connecting part, the internal wire of the second wire tube is connected with another connecting part, and finally the transparent tube, the first wire tube and the second wire tube are injection molded to form a sealing tube, so that the installation of the battery connecting wire is realized. The sealing tube is injection molded, the transparent tube, the first wire tube and the second wire tube are sealed, compared with the prior art, the sealing property of the battery connecting wire is improved, the possibility of water or moisture in the air penetrating into the transparent tube is reduced, the risk of short circuit of the battery connecting wire is reduced, and the safety of the battery connecting wire is improved.

[0009] Optionally, the sealing tube is injection molded by using a thermosetting material.

[0010] By adopting the technical scheme, the sealing tube is injection molded by using a thermosetting material, the possibility of deformation of the sealing tube is reduced, and the sealing property between the first wire tube, the second wire tube and the transparent tube is ensured.

[0011] Optionally, the installation cylinder comprises an upper cylinder and a lower cylinder, and a locking assembly for limiting movement of the upper cylinder is arranged between the upper cylinder and the lower cylinder.

[0012] By adopting the technical scheme, the fusing part is sealed between the upper cylinder and the lower cylinder through cooperation of the upper cylinder, the lower cylinder and the locking assembly, and the possibility of damage of the fusing part due to external influence is reduced.

[0013] Optionally, the locking assembly comprises a plurality of plug-in columns and spring sheets, the plug-in columns are connected on the upper cylinder, the lower cylinder is provided with plug-in grooves corresponding to positions of the plug-in columns, the spring sheets are installed on side walls of the plug-in grooves, and the plug-in columns are provided with abutting grooves.

[0014] By adopting the technical scheme, when the upper cylinder and the lower cylinder are locked, the plug-in columns are inserted into the plug-in grooves, in this process, the plug-in columns abut against the spring sheets, the spring sheets are deformed, until the upper cylinder and the lower cylinder are attached, one end of the spring sheet restores, and abuts against the side wall of the abutting groove, so as to limit the freedom of the plug-in columns, and the installation of the upper cylinder and the lower cylinder is realized.

[0015] Optionally, the side wall of the plug-in groove is provided with a mounting groove, a fixed block is connected at a groove opening of the mounting groove, a mounting opening is formed between the fixed block and the groove opening of the mounting groove, the spring sheets are arranged in a V shape, the spring sheets are embedded in the mounting groove, and one end of the spring sheets is located outside the mounting opening.

[0016] By adopting the technical scheme, the spring sheet is not easy to install due to its small size.

[0017] Optionally, the lower cylinder is connected with a positioning strip, the upper cylinder is provided with a positioning slot corresponding to the position of the positioning strip, and the positioning strip is inserted and matched in the positioning slot.

[0018] By adopting the technical scheme, the positioning strip and the positioning slot are matched, on the one hand, the sealing property between the upper cylinder and the lower cylinder is improved, on the other hand, the assembly precision between the upper cylinder and the lower cylinder is further improved, and the possibility of water seeping into the inside of the installation cylinder is reduced.

[0019] Optionally, the connecting part is connected with a positioning block, the lower cylinder is provided with a positioning slot, and the positioning block is inserted and matched in the positioning slot.

[0020] By adopting the technical scheme, the relative position between the lower cylinder and the connecting part is limited through the matching between the positioning block and the positioning slot, on the one hand, the fuse part is completely sealed between the upper cylinder and the lower cylinder, on the other hand, the installation stability of the fuse is improved.

[0021] Optionally, the positioning block is provided with a guide bevel.

[0022] By adopting the technical scheme, the fuse is a thin material and has a deformation phenomenon, thus, the positioning block is not easy to enter the positioning slot. When the fuse is pressed, the guide bevel abuts against the edge of the positioning slot, so as to guide the positioning block to enter the positioning slot, and the installation of the fuse is facilitated.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. During installation, the fuse part is installed in the installation cylinder, the transparent tube is sleeved on the installation cylinder, the internal lead wire in the first wire tube is connected with one connecting part, the internal lead wire of the second wire tube is connected with another connecting part, and finally, the transparent tube, the first wire tube and the second wire tube are injection molded and sealed by a mold to form a sealing tube, so as to realize the installation of the battery connecting wire. The sealing tube is injection molded, the transparent tube, the first wire tube and the second wire tube are sealed, compared with the prior art, the sealing property of the battery connecting wire is improved, the possibility of water or moisture in the air seeping into the inside of the transparent tube is reduced, the risk of short circuit of the battery connecting wire is reduced, and the safety of the battery connecting wire is improved.

[0025] 2. When locking the upper cylinder and the lower cylinder, the insertion column is inserted into the insertion slot, and in this process, the insertion column abuts against the spring sheet, the spring sheet is deformed, until the upper cylinder and the lower cylinder are attached, one end of the spring sheet restores, and abuts against the side wall of the locking groove, thereby limiting the freedom of the insertion column, and the installation of the upper cylinder and the lower cylinder is realized. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is the overall structure diagram of the battery connecting wire in the embodiment of the application.

[0027] Figure 2 is the exploded view for embodying the battery connecting wire structure in the embodiment of the application.

[0028] Figure 3 is the sectional view for embodying the battery connecting wire structure in the embodiment of the application.

[0029] Figure 4 is Figure 3 the enlarged view of A in FIG. 4.

[0030] Figure 5 is the exploded view for embodying the positioning block and the positioning slot structure in the embodiment of the application.

[0031] Explanation of reference signs: 1, first wire tube; 2, second wire tube; 3, transparent tube; 4, fuse; 41, fuse portion; 42, connecting portion; 421, positioning block; 5, mounting cylinder; 51, upper cylinder; 52, lower cylinder; 521, positioning strip; 522, mounting slot; 523, fixing block; 524, positioning slot; 6, locking assembly; 61, insertion column; 611, locking groove; 62, spring sheet; 7, sealing tube. DETAILED DESCRIPTION

[0032] The following will be described in detail in combination with the accompanying drawings. Figures 1-5 The application will be further described in detail.

[0033] The embodiment of the application discloses a battery connecting wire. Referring to Figure 1 and Figure 2 , the battery connecting wire comprises a first wire tube 1, a second wire tube 2, a transparent tube 3, a fuse 4 and a mounting cylinder 5. The fuse 4 is arranged between the first wire tube 1 and the second wire tube 2, the fuse 4 comprises a fuse portion 41 and two connecting portions 42, the fuse portion 41 is integrally formed between the two connecting portions 42. The internal wire of the first wire tube 1 is mounted in one of the connecting portions 42, and the internal wire of the second wire tube 2 is mounted in the other connecting portion 42.

[0034] Referring to Figure 2The mounting cylinder 5 comprises an upper cylinder 51 and a lower cylinder 52, and a plurality of positioning strips 521 are fixedly connected to the lower cylinder 52, and two positioning strips are taken as an example in the embodiment. The upper cylinder 51 is provided with positioning grooves at positions corresponding to the positioning strips 521, and the positioning strips 521 are inserted and matched in the positioning grooves. The positioning strips 521 are used to improve the sealing performance and assembly accuracy of the mounting cylinder 5.

[0035] With reference to Figure 3 and Figure 4 , the locking assembly 6 is arranged between the upper cylinder 51 and the lower cylinder 52, and the locking assembly 6 comprises a plurality of insertion columns 61 and spring sheets 62. The insertion columns 61 are fixedly connected to the upper cylinder 51, and two insertion columns are taken as an example in the embodiment, and the insertion columns 61 are rectangular columns. The lower cylinder 52 is provided with insertion grooves at positions corresponding to the insertion columns 61, and the side walls of the insertion grooves are provided with mounting grooves 522, the mounting grooves 522 are fixedly connected with fixing blocks 523 at the grooves, and the fixing blocks 523 and the grooves of the mounting grooves 522 form mounting openings. The spring sheets 62 are arranged in a V shape, the shape of the mounting grooves 522 is matched with the spring sheets 62, the spring sheets 62 are embedded in the mounting grooves 522, and one end of the spring sheets 62 is exposed from the mounting openings, and the insertion columns 61 are provided with abutting grooves 611.

[0036] When the upper cylinder 51 and the lower cylinder 52 are mounted, the insertion columns 61 are inserted into the insertion grooves, in the process, the insertion columns 61 abut against one end of the spring sheets 62, the spring sheets 62 are deformed, until the upper cylinder 51 and the lower cylinder 52 are attached, one end of the spring sheets 62 is reset, and enters the abutting grooves 611, so as to limit the freedom degree of the insertion columns 61, and the mounting of the upper cylinder 51 and the lower cylinder 52 is realized.

[0037] With reference to Figure 5 , in order to ensure that the melting portion 41 is completely sealed between the upper cylinder 51 and the lower cylinder 52, the connecting portion 42 is integrally formed with a positioning block 421, and the positioning block 421 is provided with a guide inclined angle. The lower cylinder 52 is provided with a positioning insertion groove 524 at a position corresponding to the positioning block 421, and the positioning block 421 is inserted and matched in the positioning insertion groove 524.

[0038] With reference to Figure 1 and Figure 2 , the transparent tube 3 is sleeved on the mounting cylinder 5, and the transparent tube 3, the first wire tube 1 and the second wire tube 2 are injection molded with a sealing tube 7, and the sealing tube 7 is injection molded with thermosetting material, for example, thermosetting plastic.

[0039] The implementation principle of the battery connecting line according to the embodiment of the application is as follows: during installation, the positioning block 421 is inserted into the positioning slot 524, then the plug-in column 61 is inserted into the plug-in slot, and the spring sheet 62 is inserted into the abutting slot at one end, so as to install the fusing part 41, then the transparent tube 3 is sleeved on the installation cylinder 5, the internal wire of the first wire tube 1 is connected with one of the connecting parts 42, the internal wire of the second wire tube 2 is connected with the other connecting part 42, and finally the transparent tube 3 and the first wire tube 1 and the transparent tube 3 and the second wire tube 2 are injection molded to form the sealing tube 7, so that the installation of the battery connecting line is realized.

[0040] The sealing tube 7 is injection molded, so that the transparent tube 3, the first wire tube 1 and the second wire tube 2 are sealed, compared with the prior art, the sealing property of the battery connecting line is improved, the possibility of water or moisture in the air penetrating into the transparent tube 3 is reduced, the risk of short circuit of the battery connecting line is reduced, and the safety of the battery connecting line is improved.

[0041] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: equivalent changes made according to the structure, shape and principle of the application should be covered in the protection scope of the application.

Claims

1. A battery connection cord, characterized by: The utility model provides a kind of line tube, including first line pipe (1), second line pipe (2), transparent tube (3), melt (4) and installation cylinder (5), the melt (4) includes fuse portion (41) and two connecting portions (42), the fuse portion (41) is integrally formed between two the connecting portions (42), the fuse portion (41) is installed in the installation cylinder (5), the internal wire of the first line pipe (1) is connected with one of the connecting portions (42), and the second line pipe (2) is connected, the transparent tube (3) is sleeved on the installation cylinder (5), and the transparent tube (3), the first line pipe (1) and the second line pipe (2) are sealed with injection molding pipe (7) between.

2. The battery connection cord of claim 1, wherein: The sealing pipe (7) is injection molded with thermosetting material.

3. The battery connection cord of claim 1, wherein: The installation cylinder (5) includes upper cylinder (51) and lower cylinder (52), locking assembly (6) is arranged between the upper cylinder (51) and the lower cylinder (52) to limit the movement of the upper cylinder (51).

4. The battery connection cord of claim 3, wherein: The locking assembly (6) includes a plurality of plug-in columns (61) connected to the upper cylinder (51) and spring sheets (62), the lower cylinder (52) has plug-in grooves corresponding to the positions of the plug-in columns (61), the spring sheets (62) are installed on the side walls of the plug-in grooves, the plug-in columns (61) have abutting grooves (611), and when locked, the plug-in columns (61) are located in the plug-in grooves, and one end of the spring sheets (62) abuts against the abutting grooves (611).

5. The battery connection cord of claim 4, wherein: The side walls of the plug-in grooves have mounting grooves (522), the mounting grooves (522) have mounting openings formed between the mounting grooves (522) and fixed blocks (523) connected to the openings, the spring sheets (62) are arranged in a V shape, the spring sheets (62) are embedded in the mounting grooves (522), and one end of the spring sheets (62) is located outside the mounting openings.

6. The battery connection cord of claim 3, wherein: The lower cylinder (52) is connected to a positioning strip (521), the upper cylinder (51) has a positioning groove corresponding to the position of the positioning strip (521), and the positioning strip (521) is inserted and matched in the positioning groove.

7. The battery connection cord of claim 3, wherein: The connecting portions (42) are connected to positioning blocks (421), and the lower cylinder (52) has positioning insertion grooves (524), the positioning blocks (421) are inserted and matched in the positioning insertion grooves (524).

8. The battery connection cord of claim 7, wherein: The positioning blocks (421) are provided with guide bevels.

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