CN213042866U

CN213042866U - Fuse box

Info

Publication number: CN213042866U
Application number: CN202022440616.4U
Authority: CN
Inventors: 胡新超
Original assignee: Zhejiang Juguang Plastic Technology Co ltd
Current assignee: Taizhou Kaitong New Energy Technology Co.,Ltd.
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-04-23
Anticipated expiration: 2030-10-28

Abstract

The application relates to a fuse box, it includes base and upper cover, be connected with the fuse in the base, base and upper cover are connected through a set of joint spare at least, the joint spare is including setting up in the first connecting block and the first fixture block of base and setting up in the second connecting block and the second fixture block of upper cover, be equipped with on the first connecting block with second fixture block joint complex first card hole, be equipped with on the second connecting block with first fixture block joint complex second card hole. This application has the effect of being convenient for change fuse.

Description

Fuse box

Technical Field

The application relates to the technical field of electrical equipment, in particular to a fuse box.

Background

The fuse mainly plays a role in overload protection in the circuit, and when the current abnormally rises to a certain height and heat, the fuse can be fused and cut off the current, so that the safe operation of the circuit is guaranteed, and the fuse is widely applied to production and manufacturing of automobiles, electric vehicles and the like. The fuse box is used for installing fuses, and the fuse box has the performance characteristics of fire prevention, water prevention, high temperature resistance and the like.

In the related art, chinese patent No. CN205508756U discloses a wire harness fuse box for a vehicle, which includes a housing and a cover plate, the cover plate is fixed on the housing by a fastener, the cover plate is divided into a 150A fuse connection area and a 100A fuse connection area by a partition plate, the 150A fuse connection area and the 100A fuse connection area are both provided with two connection screws, one end of each connection screw is located outside the cover plate and is screwed with a connection nut, the other end passes through the cover plate and is located in the housing and is screwed with a fuse fixing nut, and the 150A fuse and the 100A fuse are fixed at one ends of the two connection screws in the corresponding connection areas, which are located in the housing.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the shell and the cover plate in the fuse box are connected through the fastening piece, and the drawing of the specification shows that the fastening piece adopts the bolt and the fuse to be positioned in the shell, when the fuse is fused and replaced, a worker needs to take out the bolt by means of a tool such as a screwdriver and the like to disassemble the cover plate and the shell, the operation is inconvenient, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

To facilitate replacement of fuses, the present application provides a fuse box.

The application provides a fuse box adopts following technical scheme:

the utility model provides a fuse box, includes base and upper cover, be connected with the fuse in the base, base and upper cover are connected through at least a set of joint spare, the joint spare is including setting up in the first connecting block and the first fixture block of base and setting up in the second connecting block and the second fixture block of upper cover, be equipped with on the first connecting block with second fixture block joint complex first card hole, be equipped with on the second connecting block with first fixture block joint complex second card hole.

Through adopting above-mentioned technical scheme, base and upper cover link to each other through first fixture block and second card hole, second fixture block and first card hole joint, receive two-way location, stability height when both connect. After the fuse fuses, operating personnel can break first connecting block and second connecting block with the fingers and thumb for first connecting block deformation and with the separation of second fixture block, second connecting block deformation and with the separation of first fixture block, thereby split base and upper cover compare in utilizing the screwdriver to twist the mode operation of bolt simple and convenient, make things convenient for operating personnel to change the fuse.

Optionally, the base is provided with a mounting groove for placing a fuse, and the first connecting block and the second connecting block are respectively provided with a chamfer at one side end close to the mounting groove.

Through adopting above-mentioned technical scheme, when connecting base and upper cover, the one end that first connecting block is close to the mounting groove can be earlier with the contact of second fixture block, the one end that the second connecting block is close to the mounting groove can be earlier with the contact of first fixture block, the setting of chamfer plays the effect of direction when base links to each other with the upper cover joint, helps improving the connection efficiency of base and upper cover.

Optionally, the shape, structure and size of the upper cover and the base are identical.

By adopting the technical scheme, the upper cover and the base can be processed and formed by the same process, so that the production process of the fuse box is simplified, and the fuse box is convenient to produce and process in batches.

Optionally, the base and the upper cover are close to each other's terminal surface and all are equipped with reference column and constant head tank, work as when the base is connected with the upper cover, the reference column of base inlays to be established in the constant head tank of upper cover, the reference column of upper cover inlays to be established in the constant head tank of base.

Through adopting above-mentioned technical scheme, the constant head tank in reference column in the base and the upper cover, the constant head tank in the reference column in the upper cover and the base mutually support, not only play the spacing effect of direction, help first fixture block and second card hole to align, second fixture block and first card hole align, still increased the area of being connected of base and upper cover, improved joint strength between them.

Optionally, one end of the positioning column on the base, which is far away from the base, and one end of the positioning column of the upper cover, which is far away from the upper cover, are both provided with guide inclined planes.

Through adopting above-mentioned technical scheme, the direction inclined plane has reduced the tip external diameter of reference column, has the effect that makes things convenient for the reference column embedding rather than corresponding the constant head tank, has improved the assembly efficiency of base and upper cover.

Optionally, the number of the positioning columns is multiple.

Through adopting above-mentioned technical scheme, the area of being connected of base and upper cover is big, stability when both connect is high.

Optionally, a plurality of the positioning columns are respectively arranged on two opposite sides of the mounting groove.

Through adopting above-mentioned technical scheme, the part that base and upper cover are located the relative both sides of mounting groove all receives the location, has further improved the joint strength and the stability of base and upper cover.

Optionally, a stand column is fixed on the side wall of the mounting groove, and a yielding hole for the stand column to penetrate out is formed in the fuse.

Through adopting above-mentioned technical scheme, during the assembly fuse, wear out the hole of stepping down in the fuse with the stand, the fuse receives the restriction of stand and is difficult for relative base or upper cover removal this moment, and the stability of fuse is done, the electrically conductive protective effect is good.

Optionally, the two ends of the fuse are respectively provided with a connecting piece for connecting a wire, and the connecting piece comprises a wire core pressing piece for pressing a wire core of the wire and a sheath pressing piece for pressing a sheath of the wire.

Through adopting above-mentioned technical scheme, the sinle silk preforming plays the effect that compresses tightly the wire sinle silk, and its tip of connecting at the fuse can be even fuse and wire sinle silk become an organic whole, helps the stable transmission of electric current in the circuit. The sheath pressing sheet is used for pressing the wire sheath, so that the stability of the wire is improved.

Optionally, the surface of the wire core pressing sheet is punched and formed with an anti-slip strip towards one side close to the wire.

Through adopting above-mentioned technical scheme, the antislip strip has increased the frictional force of sinle silk preforming and wire sinle silk for both are difficult for producing relative displacement after the sinle silk preforming compresses tightly the wire sinle silk, have further ensured the stable transmission of electric current.

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

1. the base and the upper cover are clamped through the first clamping block and the second clamping hole, and the second clamping block and the first clamping hole, so that the base and the upper cover can be disassembled without tools such as a screwdriver and the like when the fuse is disassembled and replaced, and the effect of conveniently replacing the fuse is achieved;

2. the positioning column is matched with the positioning groove corresponding to the positioning column, so that the positioning column not only plays a role in guiding and limiting, and is beneficial to aligning the first clamping block with the second clamping hole and the second clamping block with the first clamping hole, but also increases the connecting area of the base and the upper cover and improves the connecting strength of the base and the upper cover;

3. the wire core pressing sheet is used for pressing the wire core of the wire, so that circuit communication is realized; the anti-slip strip increases the friction force between the wire core pressing sheet and the wire core of the wire, so that the wire core pressing sheet and the wire core of the wire are not easy to move relatively, and the current transmission is stable; the sheath pressing sheet plays a role in pressing the wire sheath, and the stability of the wire is further improved.

Drawings

FIG. 1 is a schematic structural diagram 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 partial schematic view highlighting a connector in an embodiment of the present application.

Description of reference numerals: 1. a base; 11. mounting grooves; 12. fixing grooves; 13. a wire inlet groove; 14. a column; 2. an upper cover; 3. a clamping piece; 31. a first connection block; 311. a first card hole; 32. a first clamping block; 33. a second connecting block; 331. a second card hole; 34. a second fixture block; 35. chamfering; 36. heat dissipation holes; 4. a fuse; 41. a hole of abdication; 5. a positioning column; 51. a guide slope; 6. positioning a groove; 61. flaring; 7. a wire; 71. a wire core; 72. a wire sheath; 8. a connecting member; 81. pressing the wire core into a sheet; 811. a wire core connecting portion; 812. a wire core press-fit portion; 813. anti-slip strips; 82. sheath tabletting; 821. a wire cover connecting portion; 822. wire sleeve pressfitting portion.

Detailed Description

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

The embodiment of the application discloses a fuse box. Referring to fig. 1 and 2, the fuse 4 box comprises a base 1 and an upper cover 2 which are identical in shape, structure and size, wherein the base 1 and the upper cover 2 are made of plastic materials and are detachably connected through two sets of clamping pieces 3. The end face middle part that base 1 and upper cover 2 are close all is provided with mounting groove 11, is connected with fuse 4 in the mounting groove 11 on the base 1 wherein, and fuse 4 adopts the metal conducting strip to make, plays overload protection's effect in the circuit.

Referring to fig. 1 and 2, the clip member 3 includes a first connecting block 31 and a first latch 32 integrally formed on the base 1, and a second connecting block 33 and a second latch 34 integrally formed on the upper cover 2, wherein the first connecting block 31 is located on one side of the base 1 close to the upper cover 2, and the second connecting block 33 is located on one side of the upper cover 2 close to the base 1. Two fixed slots 12 have all been seted up to the terminal surface that base 1 and upper cover 2 are close, and first fixture block 32 in two sets of joint spare 3 is fixed respectively on the diapire of two fixed slots 12 in base 1, and second fixture block 34 is fixed respectively on the diapire of two fixed slots 12 in upper cover 2.

Referring to fig. 1 and 2, a first engaging hole 311 is formed in a side wall of the first connecting block 31, the first engaging hole 311 penetrates through a side wall of the base 1 and extends to an end surface of the base 1 far away from the upper cover 2, and the first engaging hole 311 is engaged with the second engaging block 34. Be equipped with second card hole 331 on the lateral wall of second connecting block 33, second card hole 331 passes the lateral wall of upper cover 2 and extends to the terminal surface that base 1 was kept away from to upper cover 2, and second card hole 331 and first fixture block 32 joint cooperation, and first connecting block 31 and second connecting block 33 all are equipped with chamfer 35 near one side tip of mounting groove 11. When the base 1 and the upper cover 2 are connected, the first connecting block 31 is aligned with the second clamping block 34, and the second connecting block 33 is aligned with the first clamping block 32, and in the process that the base 1 and the upper cover 2 approach each other, the first clamping block 32 can gradually squeeze the second connecting block 33, so that the second connecting block 33 is locally deformed towards one side far away from the mounting groove 11 until the first clamping block 32 is clamped into the second clamping hole 331; similarly, the second fixture block 34 can gradually extrude the first connection block 31, so that the first connection block 31 is locally deformed to one side away from the mounting groove 11 until the second fixture block 34 is clamped into the first clamping hole 311, thereby realizing that the base 1 and the upper cover 2 are connected in a clamping manner, and the base 1 and the upper cover 2 are not required to be assembled through bolts, and the assembly and the disassembly are convenient. After the assembly targets in place, each part in the clamping piece 3 can not protrude out of the base 1 or the upper cover 2, and the stability of the base 1 and the upper cover 2 during connection is high. And at this time, heat dissipation holes 36 are formed between the first latch 32 and the second connection block 33, and between the second latch 34 and the first connection block 31, which is helpful for ventilation and heat dissipation of the fuse 4.

Referring to fig. 2 and 3, two positioning columns 5 and two positioning grooves 6 are respectively arranged on the end faces of the base 1 close to the upper cover 2, and the two positioning columns 5 and the two positioning grooves 6 are respectively located on two opposite sides of the installation groove 11. The one end that base 1 was kept away from to reference column 5 on the base 1, the one end that upper cover 2 was kept away from to reference column 5 of upper cover 2 all are equipped with direction inclined plane 51, and direction inclined plane 51 sets up along the one side towards mounting groove 11. The opening of the positioning groove 6 is provided with a flared opening 61, and the inner diameter of the flared opening 61 is gradually increased from the side close to the positioning groove 6 to the side far away from the positioning groove 6. When base 1 and upper cover 2 joint, two reference columns 5 on the base 1 imbed respectively in two constant head tanks 6 of upper cover 2, two reference columns 5 of upper cover 2 imbed respectively in two constant head tanks 6 of base 1, and reference column 5 has increased the area of being connected of base 1 with upper cover 2 with the cooperation of constant head tank 6, has improved joint strength between them.

Referring to fig. 2 and 3, two columns 14 are fixed on the side wall of the mounting groove 11 away from the opening, two abdicating holes 41 are formed in the fuse 4, and the two abdicating holes 41 can be penetrated out by the two columns 14 respectively, so that the fuse 4 is limited to move relative to the base 1, and the stability of the fuse 4 is improved.

Referring to fig. 2 and 3, two wire inlet grooves 13 are respectively arranged on the end faces of the base 1 and the upper cover 2 which are close to each other, the two wire inlet grooves 13 are respectively communicated with two opposite sides of the mounting groove 11, and a wire 7 in the circuit can extend into the wire inlet grooves 13 from the side openings of the wire inlet grooves 13. The both ends of fuse 4 are provided with a set of connecting piece 8 respectively, and wire 7 is including being used for electrically conductive wire sinle silk 71 and the wire sheath 72 of parcel outside wire sinle silk 71, and connecting piece 8 includes that integrated into one piece keeps away from the sheath preforming 82 of fuse 4 one side at sinle silk preforming 81 and integrated into one piece at sinle silk preforming 81 of fuse 4 tip.

Referring to fig. 2 and 3, the core wafer 81 includes a core connecting portion 811 connected to the fuse 4 and core pressing portions 812 integrally formed at both sides of the core connecting portion 811, and the core pressing portions 812 extend toward a side close to the wires 7. After the wire core 71 is placed in the core connecting portion 811, the core press-fitting portion 812 is deformed toward the side close to the wire 7 to press the wire core 71, thereby achieving the electrical connection of the fuse 4 and the wire 7. Three anti-slip strips 813 are punched and formed on the surface of the wire core pressing sheet 81 to one side close to the lead 7, so that the frictional resistance on the surface of the wire core pressing sheet 81 is increased, and the stability of the lead 7 is improved.

Referring to fig. 2 and 3, the wire cover pressing piece includes a wire cover connection portion 821 connected to the wire core pressing piece 81 and wire cover press-fit portions 822 integrally formed at both sides of the wire cover connection portion 821, and the wire cover press-fit portions 822 extend to a side close to the wires 7. The wire sheath pressing part 822 can be bent and deformed to a side close to the wire 7, thereby pressing the wire sheath 72, and further improving the stability of the wire 7.

The implementation principle of a fuse 4 box in the embodiment of the application is as follows: the base 1 and the upper cover 2 are connected with the first clamping hole 311 in a clamping mode through the first clamping block 32 and the second clamping hole 331 and the second clamping block 34, after the fuse 4 is fused, an operator can disassemble the base 1 and the upper cover 2 without rotating the bolt by means of tools such as a screwdriver, and the fuse 4 is convenient to disassemble and replace. The positioning column 5 is matched with the positioning groove 6 corresponding to the positioning column, so that the connection area of the base 1 and the upper cover 2 is increased, and the connection strength of the base and the upper cover is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fuse box, includes base (1) and upper cover (2), be connected with fuse (4) in base (1), its characterized in that: base (1) and upper cover (2) are connected through at least a set of joint spare (3), joint spare (3) including set up in first connecting block (31) and first fixture block (32) of base (1) and set up in second connecting block (33) and second fixture block (34) of upper cover (2), be equipped with on first connecting block (31) with second fixture block (34) joint complex first card hole (311), be equipped with on second connecting block (33) with first fixture block (32) joint complex second card hole (331).

2. A fuse block in accordance with claim 1, wherein: the base (1) is provided with a mounting groove (11) for placing a fuse (4), and chamfers (35) are respectively arranged at one side end parts, close to the mounting groove (11), of the first connecting block (31) and the second connecting block (33).

3. A fuse block in accordance with claim 2, wherein: the shape, structure and size of the upper cover (2) and the base (1) are completely the same.

4. A fuse block in accordance with claim 3 wherein: base (1) and upper cover (2) are close to terminal surface each other and all are equipped with reference column (5) and constant head tank (6), work as when base (1) is connected with upper cover (2), reference column (5) of base (1) inlay establish in constant head tank (6) of upper cover (2) reference column (5) of upper cover (2) inlay establish in constant head tank (6) of base (1).

5. A fuse block in accordance with claim 4 wherein: one end of the positioning column (5) on the base (1), which is far away from the base (1), and one end of the positioning column (5) of the upper cover (2), which is far away from the upper cover (2), are both provided with guide inclined planes (51).

6. A fuse block in accordance with claim 4 wherein: the number of the positioning columns (5) is multiple.

7. A fuse block in accordance with claim 6 wherein: the positioning columns (5) are respectively arranged on two opposite sides of the mounting groove (11).

8. A fuse block in accordance with claim 2, wherein: be fixed with stand (14) on the lateral wall of mounting groove (11), be equipped with on fuse (4) and supply stand (14) to wear out abdication hole (41).

9. A fuse block in accordance with claim 1, wherein: the fuse is characterized in that connecting pieces (8) used for being connected with the conducting wires (7) are respectively arranged at two ends of the fuse (4), and each connecting piece (8) comprises a wire core pressing piece (81) used for pressing a conducting wire core (71) and a sheath pressing piece (82) used for pressing a conducting wire sheath (72).

10. A fuse block in accordance with claim 9, wherein: and the surface of the wire core pressing sheet (81) is provided with an anti-slip strip (813) towards one side close to the lead (7) in a punching way.