CN219393318U

CN219393318U - Fuse protector

Info

Publication number: CN219393318U
Application number: CN202320763853.5U
Authority: CN
Inventors: 翁泽伦; 雷中和; 黄建余; 黄彩红; 夏光锋; 刘年仁; 王天文; 黄修长; 潘利群
Original assignee: Wenzhou Jiate Auto Electric Appliance Co ltd
Current assignee: Wenzhou Jiate Auto Electric Appliance Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-07-21
Anticipated expiration: 2033-04-03

Abstract

The application relates to the field of electrical protection equipment, and particularly discloses a fuse, which comprises a shell, a fuse and a connecting component, wherein the fuse comprises a fusing part and a connecting part connected to the fusing part, a mounting cavity for inserting the fusing part is formed in the shell, and a connecting groove for inserting the connecting part is formed in the cavity wall of the mounting cavity; the connecting component is arranged on the connecting part and abuts against the groove wall of the connecting groove; or the connecting component is arranged on the connecting groove and abuts against the side wall of the connecting part. The application has the effect of reducing the production cost of the fuse.

Description

Fuse protector

Technical Field

The present application relates to the field of electrical protection devices, and in particular to a fuse.

Background

The fuse is used as common power equipment, bears the responsibilities of cutting off a circuit and guaranteeing the safety of electrical elements and equipment when a circuit system fails, ensures the personal safety of a user and has wide application in all parts of the world.

In the related art, chinese patent publication No. CN212411988U discloses a vehicle fuse box, which includes a housing and a cover, the housing and the cover are detachably connected with two second locking structures through a first locking structure, the housing is detachably connected with a fuse through an operation assembly, and the operation assembly includes two movable blocks and two bolts. When the fuse wire is assembled, the fuse wire is connected to the movable block through two bolts, and then the shell is connected with the cover body through the first locking structure and the second locking structure.

Because the number of parts constituting the vehicle safety box in the related art is large, the vehicle safety box in the related art has high cost, more assembly steps and production efficiency and production cost.

Disclosure of Invention

In order to reduce the production cost of the fuse, the application provides the fuse.

The application provides a fuse adopts following technical scheme:

the fuse comprises a shell, a fuse wire and a connecting component, wherein the fuse wire comprises a fusing part and a connecting part connected to the fusing part, a mounting cavity for inserting the fusing part is formed in the shell, and a connecting groove for inserting the connecting part is formed in the cavity wall of the mounting cavity;

the connecting component is arranged on the connecting part and abuts against the groove wall of the connecting groove; or (b)

The connecting component is arranged on the groove wall of the connecting groove and abuts against the side wall of the connecting part.

Through adopting above-mentioned technical scheme, when assembling the fuse, directly insert connecting portion spread groove, fusing portion insert the installation cavity, coupling assembling supports the cell wall in tight spread groove to restrict the connecting portion and shift out the spread groove, and then make the fuse be connected with the casing. Compared with the automobile-used fuse box in the background art, the setting has not only greatly reduced the part that constitutes the fuse like this, and the step of equipment only has the step of inserting the fuse into the casing, and production efficiency promotes greatly, has effectively reduced the manufacturing cost of fuse.

Optionally, the coupling assembling is including connecting the outer clamping piece on the coupling portion lateral wall, the terminal surface of outer clamping piece back to coupling portion supports the cell wall of tight spread groove, the terminal surface of outer clamping piece back to coupling portion and the interval of coupling portion increase progressively along the direction of arranging of spread groove to installation cavity.

Through adopting above-mentioned technical scheme, because the terminal surface of outer fixture block dorsad connecting portion and the interval of outer fixture block increase gradually along the direction of arranging of spread groove to installation cavity, on the one hand help connecting portion and outer fixture block to insert the spread groove, on the other hand the outer fixture block that so set up can play the effect of barb, effectively restricts the connecting portion and shifts out the spread groove.

Optionally, the coupling assembling still includes the interior card piece of connecting in connecting portion one side of keeping away from outer card piece, interior card piece supports tight spread groove cell wall, the cross-section width of interior fixture block increases progressively along the direction of arranging of spread groove to installation cavity.

Through adopting above-mentioned technical scheme, compare in only setting up outer fixture block, through addding interior fixture block, and outer fixture block and interior fixture block are located the both sides of connecting portion respectively, can further improve the effect of guiding to connecting portion and restriction connecting portion shift out the effect of spread groove.

Optionally, an external deformation groove is formed in the shell, and the external deformation groove and the connecting groove are arranged along the arrangement direction from the external clamping block to the connecting part.

Through adopting above-mentioned technical scheme, add outer deformation groove on the casing, help the cell wall of spread groove to be close to the direction deformation of outer deformation groove under the effect of outer card piece, further restricted connecting portion and shifted out the spread groove.

Optionally, an inner deformation groove is formed in the shell, and the inner deformation groove and the connecting groove are arranged along the arrangement direction from the inner clamping block to the connecting part.

Through adopting above-mentioned technical scheme, add the interior deformation groove on the casing, help the cell wall of spread groove to be close to the direction deformation of interior deformation groove under the effect of fixture block including, further restricted connecting portion and shifted out the spread groove.

Optionally, the installation cavity is including seting up the grafting mouth on the casing lateral wall and the cavity of intercommunication grafting mouth and spread groove, the grafting mouth is located the one side that the spread groove was kept away from to the cavity, the opening size of grafting mouth is followed the direction of grafting mouth to the cavity and is decreased progressively.

Through adopting above-mentioned technical scheme, when connecting fuse and casing, the grafting mouth of such design has played the effect of direction, helps connecting portion to insert the spread groove, fusing portion inserts the installation cavity, has further improved the production efficiency of fuse.

Optionally, the fuse further includes a plug connector disposed at a side of the connecting portion away from the fusing portion, and a cross-sectional area of the plug connector increases gradually along a direction from the plug connector to the connecting portion.

Through adopting above-mentioned technical scheme, the bayonet joint of so setting can play the effect of direction to the installation of fuse, helps connecting portion to insert in the spread groove.

Optionally, a wire pressing pin is arranged on the fuse wire.

Through adopting above-mentioned technical scheme, add the pressure line foot on the fusible link for need not to add connection structure when electric wire and fusible link are connected, the staff of being convenient for connects electric wire and fusible link.

Optionally, the wire pressing pins are arranged on the wire pressing protrusions.

Through adopting above-mentioned technical scheme, through addding the line ball arch, limited electric wire and line ball foot and connected the back relative line ball foot and removed, improved the stability that electric wire and line ball foot are connected.

Optionally, the fuse includes the stabilizer of being connected with the line ball foot, set up the stabilizer groove on the chamber wall of installation cavity, the stabilizer is inserted and is established in the stabilizer groove.

Through adopting above-mentioned technical scheme, when assembling the fuse, insert the stabilizer and establish in connecting the stable groove, not only improved the structural stability that the fuse is connected with the casing, still ensured the structural strength of fuse when electric wire and line ball foot are connected.

In summary, the present application includes at least one of the following beneficial technical effects:

1. compared with the safety box for the vehicle in the background art, the number of parts forming the fuse of the application is only two, and the step of assembling only comprises the step of inserting the fuse into the shell, so that the production efficiency is greatly improved, and the production cost of the fuse is reduced;

2. through the inner clamping block and the outer clamping block, the connecting part is effectively limited to be moved out of the connecting groove while the connecting part is ensured to be smoothly inserted into the connecting groove;

3. compared with the wire and the fuse wire which are additionally connected through the wiring structure, the wire and the fuse wire are conveniently connected by workers through the wire pressing pin arranged on the fuse wire.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present application.

Fig. 2 is an exploded schematic view of an embodiment of the present application.

Fig. 3 is a schematic cross-sectional view of an embodiment of the present application.

Reference numerals illustrate:

1. a housing; 11. a mounting cavity; 111. an interface; 112. a cavity; 12. a connecting groove; 13. a stabilizing groove; 14. an inner deformation groove; 15. an outer deformation groove; 2. a fuse; 21. a fusing part; 22. a connection part; 23. a plug; 24. a stabilizing section; 25. wire pressing pins; 251. a line pressing protrusion; 3. a connection assembly; 31. an inner clamping block; 32. and an outer clamping block.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a fuse. Referring to fig. 1 and 2, the fuse includes a housing 1, a fuse 2 provided on the housing 1, and two sets of connection members 3 connecting the fuse 2 and the housing 1.

Referring to fig. 2 and 3, the housing 1 is made of plastic and is deformable. The side wall of the shell 1 is provided with a mounting cavity 11, the mounting cavity 11 comprises a plug-in port 111 arranged on the side wall of the shell 1 and a cavity 112 communicated with the plug-in port 111, and the opening size of the plug-in port 111 decreases along the direction from the plug-in port 111 to the cavity 112. The cavity 112 is provided with two connecting grooves 12 and two stabilizing grooves 13 on the wall of the cavity far away from the plug-in port 111, and the two connecting grooves 12 are positioned between the two stabilizing grooves 13. The connection groove 12 extends along the arrangement direction from the insertion port 111 to the cavity 112, and the connection groove 12 penetrates the housing 1.

Referring to fig. 3, an inner deformation groove 14 is formed on a wall of the cavity 112 away from the insertion port 111, and the inner deformation groove 14 is located between the two connection grooves 12. Two appearance change grooves 15 are formed in the side wall, away from the plug-in port 111, of the shell 1, the two connecting grooves 12 are located between the two outer change grooves 15, and the two outer change grooves 15 are located between the two stabilizing grooves 13.

Referring to fig. 2 and 3, the fuse 2 includes a fuse portion 21, two connection portions 22, two plug connectors 23, and two stabilizing portions 24, the two stabilizing portions 24 are respectively connected at two ends of the fuse portion 21 along the length direction thereof, the two connection portions 22 are respectively connected on a side wall of the fuse portion 21 along the length direction thereof, the two plug connectors 23 are respectively connected at one side of the different connection portions 22 away from the fuse portion 21, and the fuse portion 21, the two connection portions 22, the two plug connectors 23, and the two stabilizing portions 24 are integrally formed by conductive metal materials.

Referring to fig. 2 and 3, the two connection portions 22 are respectively inserted into the different connection grooves 12, the two plug connectors 23 are respectively inserted into the different connection grooves 12, and the cross-sectional area of the plug connectors 23 increases in the direction from the plug connectors 23 to the connection portions 22.

Referring to fig. 2 and 3, two sets of connection assemblies 3 are respectively provided on different connection portions 22, and the connection assemblies 3 include two inner clamping blocks 31 and two outer clamping blocks 32. The inner clamping block 31 is connected to the side wall of the connecting portion 22, which is close to the inner deformation groove 14, the outer clamping block 32 is connected to the groove wall of the connecting portion 22, which is far away from the inner clamping block 31, and the inner clamping block 31 and the outer clamping block 32 are integrally formed with the connecting portion 22. The end surfaces of the inner clamping block 31 and the outer clamping block 32 far away from the connecting part 22 are abutted against the groove wall of the connecting groove 12, the cross sections of the inner clamping block 31 and the outer clamping block 32 are triangular, and the distances between the end surfaces of the inner clamping block 32 and the inner clamping block 31 inward to the connecting part 22 and the connecting part 22 are gradually increased along the arrangement direction from the connecting groove 12 to the cavity 112.

In other embodiments, the connecting component 3 may also be disposed on the wall of the connecting slot 12 and abut against the connecting portion 22, which can limit the removal of the connecting portion 22 in the connecting slot 12.

Referring to fig. 2 and 3, the two stabilizing blocks are respectively inserted into different stabilizing grooves 13, and a wire pressing pin 25 is formed on one side of the two stabilizing parts 24 away from the fuse wire 2 uniformly, and the wire pressing pin 25 is used for connecting with an electric wire. The presser foot 25 is integrally formed with three presser protrusions 251, and each presser protrusion 251 is arranged along the length direction of the fuse 2.

The implementation principle of the fuse provided by the embodiment of the application is as follows: when the fuse is assembled, the plug connector 23 and the connecting part 22 are aligned to the corresponding connecting groove 12 to be inserted, meanwhile, the stabilizing part 24 is inserted into the corresponding stabilizing groove 13, the fusing part 21 is inserted into the cavity 112, and the outer clamping block 32 and the inner clamping block 31 are abutted against the groove wall of the connecting groove 12 so as to limit the connecting part 22 to move out of the connecting groove 12.

The fuse thus provided greatly reduces the number of parts constituting the fuse as compared with the fuse box for a vehicle in the related art, while the step of assembling is only a step of inserting the fuse 2 into the housing 1. By reducing the number of parts and assembly steps, the production cost of the fuse is effectively reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A fuse, characterized in that: the fuse wire comprises a shell (1), a fuse wire (2) and a connecting component (3), wherein the fuse wire (2) comprises a fusing part (21) and a connecting part (22) connected to the fusing part (21), an installation cavity (11) for inserting the fusing part (21) is formed in the shell (1), and a connecting groove (12) for inserting the connecting part (22) is formed in the cavity wall of the installation cavity (11);

the connecting component (3) is arranged on the connecting part (22) and the connecting component (3) abuts against the groove wall of the connecting groove (12); or (b)

The connecting component (3) is arranged on the groove wall of the connecting groove (12) and the connecting component (3) abuts against the side wall of the connecting part (22).

2. A fuse as defined in claim 1, wherein: the connecting assembly (3) comprises an outer clamping block (32) connected to the side wall of the connecting portion (22), the end face of the outer clamping block (32) opposite to the connecting portion (22) abuts against the groove wall of the connecting groove (12), and the distance between the end face of the outer clamping block (32) opposite to the connecting portion (22) and the connecting portion (22) increases gradually along the arrangement direction from the connecting groove (12) to the mounting cavity (11).

3. A fuse as defined in claim 2, wherein: the connecting assembly (3) further comprises an inner clamping block (31) connected to one side, far away from the outer clamping block (32), of the connecting portion (22), the inner clamping block (31) abuts against the groove wall of the connecting groove (12), and the section width of the inner clamping block (31) increases gradually along the arrangement direction from the connecting groove (12) to the mounting cavity (11).

4. A fuse as defined in claim 2, wherein: an outer deformation groove (15) is formed in the shell (1), and the outer deformation groove (15) and the connecting groove (12) are distributed along the arrangement direction from the outer clamping block (32) to the connecting part (22).

5. A fuse as defined in claim 3, wherein: an inner deformation groove (14) is formed in the shell (1), and the inner deformation groove (14) and the connecting groove (12) are distributed along the arrangement direction from the inner clamping block (31) to the connecting part (22).

6. A fuse as defined in claim 1, wherein: the mounting cavity (11) comprises an inserting port (111) formed in the side wall of the shell (1) and a cavity (112) communicated with the inserting port (111) and the connecting groove (12), the inserting port (111) is located at one side, far away from the connecting groove (12), of the cavity (112), and the opening size of the inserting port (111) is gradually decreased along the direction from the inserting port (111) to the cavity (112).

7. A fuse as defined in claim 1, wherein: the fuse wire (2) further comprises a plug connector (23) arranged on one side, far away from the fusing part (21), of the connecting part (22), and the cross section area of the plug connector (23) is gradually increased along the direction from the plug connector (23) to the connecting part (22).

8. A fuse as defined in claim 1, wherein: the fuse wire (2) is provided with a wire pressing pin (25).

9. A fuse in accordance with claim 8, wherein: the wire pressing pins (25) are arranged on the wire pressing protrusions (251).

10. A fuse in accordance with claim 8, wherein: the fuse wire (2) comprises a stabilizing part (24) connected with a wire pressing pin (25), a stabilizing groove (13) is formed in the cavity wall of the mounting cavity (11), and the stabilizing part (24) is inserted into the stabilizing groove (13).