CN217361486U

CN217361486U - Novel extensible fuse box

Info

Publication number: CN217361486U
Application number: CN202220438275.3U
Authority: CN
Inventors: 孙斌; 孙喜矿
Original assignee: Hebi Lianming Electric Appliance Co ltd
Current assignee: Hebi Lianming Electric Appliance Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-09-02
Anticipated expiration: 2032-03-02

Abstract

The utility model relates to the technical field of fuses, in particular to a novel extensible fuse box, which comprises a lower shell, a PCB (printed circuit board) arranged at the top of the lower shell and an upper shell buckled on the outer wall of the lower shell, wherein arc-shaped grooves are reserved at four corners of the lower shell, a plurality of positioning blocks uniformly distributed are arranged on the outer wall of the lower shell, depressed parts matched with the arc-shaped grooves are arranged at four corners of the upper shell, a plurality of positioning grooves matched with the positioning blocks are arranged on the inner wall of the upper shell, and a plurality of extension parts uniformly distributed for externally connecting extension modules are arranged on the outer wall of the upper shell; when the fuse box is assembled, the connection firmness and tightness between the upper shell and the lower shell can be ensured, and the strength of the fuse box is improved; the extension part is arranged on the periphery of the outer wall of the upper shell, so that the external extension module is convenient to connect, the extension function is realized, and the use is convenient.

Description

Novel extensible fuse box

Technical Field

The utility model relates to a fuse technical field, concretely relates to novel extensible fuse box.

Background

With the rapid development of the logistics industry, the quantity of the commercial vehicles is larger and larger, and the requirements on the functions of electric appliances and the driving comfort are higher and higher. The fuse box of the automobile is used as a core component of the power distribution of the whole automobile and has important functions related to safety items, energy management and the like, the fuse box is used as a power supply device, and any circuit related to electricity is involved. In addition, with the development of technology, people are increasing the expanded functions of automobiles, but most of the existing fuse boxes are used independently and do not have the expanded functions, so that the fuse boxes with the expanded functions need to be added to meet the requirements of customers.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a novel extensible fuse box not only is convenient for external extension circuit, realizes extended function, compact structure moreover, convenient to use.

In order to solve the technical problems, the utility model provides a novel extensible fuse box, which comprises a lower shell, a PCB (printed circuit board) arranged at the top of the lower shell and an upper shell buckled on the outer wall of the lower shell;

arc-shaped grooves are reserved at four corners of the lower shell, and a plurality of uniformly distributed positioning blocks are arranged on the outer wall of the lower shell;

the four corners of the upper shell are provided with depressed parts matched with the arc-shaped grooves for use, the inner walls of the depressed parts are attached to the outer walls of the arc-shaped grooves, the inner wall of the upper shell is provided with a plurality of positioning grooves matched with the positioning blocks for use, and the positioning blocks are inserted into the positioning grooves;

go up the casing outer wall and still be provided with a plurality of evenly distributed all around and be used for external extension module's extension portion, extension portion includes first spacing and the spacing of second, and first spacing and the spacing of second all are the L type, and first spacing and the spacing symmetrical dovetail that forms the opening downwards of setting up of the spacing of second, and the dovetail is used for pegging graft extension module.

Furthermore, the inner wall of the dovetail groove is also provided with two positioning convex strips arranged along the vertical direction.

Furthermore, a first clamping groove and a second clamping groove are further formed in one side of the top of the upper shell, a standby safety disc is inserted in the first clamping groove, and a tool clamp is inserted in the second clamping groove.

Furthermore, the first limiting strip and the second limiting strip are of an integrally formed structure with the upper shell.

Further, the sectional view of the PCB board is the same as the sectional view of the top of the upper shell.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

1. the utility model discloses a set up lower casing, upper casing, reserve the arc wall in the four corners of lower casing, and the outer wall of lower casing is provided with a plurality of evenly distributed locating pieces, the four corners of upper casing be provided with the depressed part that the arc wall cooperates the use, the inner wall of upper casing is seted up a plurality of constant head tanks that cooperate the use with the locating piece, when assembling the fuse box, can guarantee firm nature and the compactness of being connected between upper casing and the lower casing, improve fuse box intensity; the extension part is arranged on the periphery of the outer wall of the upper shell, so that the external extension module is convenient to connect, the extension function is realized, and the use is convenient.

2. The utility model discloses a set up first spacing and the spacing of second, first spacing and the spacing symmetry of second set up and form the decurrent dovetail of opening, are convenient for install extension module fast, can prevent simultaneously that extension module from breaking away from the fuse box when using.

Drawings

FIG. 1 is a schematic structural view of an axial measurement device according to the present invention;

FIG. 2 is a schematic structural view of the middle and lower shells and the PCB axial measurement of the present invention;

fig. 3 is a schematic view of the upper shell of the present invention viewed from the bottom;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

FIG. 5 is a schematic view of a tool holder according to the present invention;

fig. 6 is a schematic view of the installation structure of the extension portion and the extension module of the present invention.

In the figure: 1. a lower housing; 101. positioning a block; 102. an arc-shaped slot; 2. an upper housing; 201. a recessed portion; 202. an expansion section; 203. a first card slot; 204. a second card slot; 205. positioning a groove; 3. a PCB board; 4. a spare safety disc; 5. a tool holder; 6. a first limit strip; 7. a second limit strip; 8. a dovetail groove; 9. positioning the convex strip; 10. and an expansion module.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying fig. 1 to 6 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

As shown in fig. 1-6: a novel extensible fuse box comprises a lower shell 1, a PCB (printed circuit board) 3 mounted at the top of the lower shell 1 and an upper shell 2 buckled on the outer wall of the lower shell 1, wherein the PCB 3 is used for mounting electronic components, the shape of a cross-sectional view of the PCB 3 is the same as that of the top of the upper shell 2, arc-shaped grooves 102 are reserved at four corners of the lower shell 1, a plurality of positioning blocks 101 which are uniformly distributed are arranged on the outer wall of the lower shell 1, depressed parts 201 which are matched with the arc-shaped grooves 102 are arranged at four corners of the upper shell 2, the inner walls of the depressed parts 201 are attached to the outer wall of the arc-shaped grooves 102, a plurality of positioning grooves 205 which are matched with the positioning blocks 101 are formed in the inner wall of the upper shell 2, the positioning blocks 101 are inserted into the positioning grooves 205, and a plurality of extension parts 202 which are uniformly distributed and used for externally connecting an extension module 10 are also arranged around the outer wall of the upper shell 2;

concretely, a novel extensible fuse box, including lower casing 1, install PCB board 3 and the lock at the last casing 2 of 1 outer wall of casing down at casing 1 top down.

Arc-shaped grooves 102 are reserved at four corners of the lower shell 1, a plurality of positioning blocks 101 which are uniformly distributed are arranged on the outer wall of the lower shell 1, and the positioning blocks 101 and the lower shell 1 are of an integrally formed structure.

Four corners of the upper shell 2 are provided with concave portions 201 matched with the arc-shaped grooves 102 for use, and the inner walls of the concave portions 201 are attached to the outer walls of the arc-shaped grooves 102.

The inner wall of the upper shell 2 is provided with a plurality of positioning grooves 205 matched with the positioning blocks 101, and the positioning blocks 101 are inserted into the positioning grooves 205.

Go up 2 outer walls of casing and still be provided with a plurality of evenly distributed all around and be used for external extension module 10 extension portion 202, extension portion 202 includes first spacing 6 and the spacing 7 of second, first spacing 6 and the spacing 7 of second are integrated into one piece structure with last casing 2, first spacing 6 and the spacing 7 of second all are the L type, first spacing 6 and the spacing 7 symmetry of second set up and form the dovetail 8 that the opening is decurrent, dovetail 8 is used for pegging graft extension module 10.

In the embodiment, by arranging the lower shell 1 and the upper shell 2, the arc-shaped groove 102 is reserved at the four corners of the lower shell 1, the outer wall of the lower shell 1 is provided with a plurality of uniformly distributed positioning blocks 101, the four corners of the upper shell 2 are provided with the concave parts 201 matched with the arc-shaped groove 102 for use, the inner wall of the upper shell 2 is provided with a plurality of positioning grooves 205 matched with the positioning blocks 101 for use, when the fuse box is assembled, the firmness and tightness of connection between the upper shell 2 and the lower shell 1 can be ensured, and the strength of the fuse box is improved; the expansion part 202 is arranged on the periphery of the outer wall of the upper shell 2, so that the expansion module 10 can be conveniently connected externally, the expansion function is realized, and the use is convenient;

through setting up first spacing 6 and the spacing 7 of second, first spacing 6 and the symmetrical dovetail 8 that forms the opening decurrent that sets up of the spacing 7 of second are convenient for install extension module 10 fast, can prevent extension module 10 from breaking away from the fuse box in the use simultaneously.

According to one embodiment of the present invention, as shown in figure 3,

in order to ensure the tightness of the connection between the expansion module 10 and the expansion part 202, two positioning ribs 9 are further provided on the inner wall of the dovetail groove 8 in the vertical direction.

According to another embodiment of the present invention, as shown in figure 1,

for further improvement practicality, go up casing 2 top one side and still be provided with first draw-in groove 203 and second draw-in groove 204, it has reserve rupture disc 4 to peg graft in first draw-in groove 203, and it has instrument clamp 5 to peg graft in second draw-in groove 204, and instrument clamp 5 is used for pressing from both sides the rupture disc of getting on the fuse box.

The utility model discloses a theory of operation:

during the use, install PCB board 3 at casing 1 top down, then will go up casing 2 lock at casing 1 outer wall down to make locating piece 101 cartridge at constant head tank 205, accomplish the equipment, the back that finishes assembling, when using, when needs use extended functionality, can adopt the mode of pegging graft to be connected with extension portion 202 with extension module 10, realize extended functionality, use in a flexible way, and convenient operation.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A novel extensible fuse box which is characterized in that: comprises a lower shell (1), a PCB (3) arranged at the top of the lower shell (1) and an upper shell (2) buckled on the outer wall of the lower shell (1);

arc-shaped grooves (102) are reserved at four corners of the lower shell (1), and a plurality of uniformly distributed positioning blocks (101) are arranged on the outer wall of the lower shell (1);

the four corners of the upper shell (2) are provided with recessed parts (201) matched with the arc-shaped groove (102) for use, the inner wall of each recessed part (201) is attached to the outer wall of the arc-shaped groove (102), the inner wall of the upper shell (2) is provided with a plurality of positioning grooves (205) matched with the positioning blocks (101) for use, and the positioning blocks (101) are inserted into the positioning grooves (205);

go up extension portion (202) that casing (2) outer wall still is provided with a plurality of evenly distributed all around and is used for external extension module (10), extension portion (202) are including first spacing (6) and second spacing (7), and first spacing (6) and second spacing (7) all are the L type, and first spacing (6) and second spacing (7) symmetry set up and form opening decurrent dovetail (8), and dovetail (8) are used for pegging graft extension module (10).

2. The novel expandable fuse block of claim 1, wherein: the inner wall of the dovetail groove (8) is also provided with two positioning convex strips (9) arranged along the vertical direction.

3. The novel expandable fuse block of claim 1, wherein: go up casing (2) top one side and still be provided with first draw-in groove (203) and second draw-in groove (204), peg graft in first draw-in groove (203) has reserve rupture disc (4), and peg graft in second draw-in groove (204) has tool holder (5).

4. The novel expandable fuse block of claim 1, wherein: the first limiting strip (6) and the second limiting strip (7) are of an integrally formed structure with the upper shell (2).

5. The novel expandable fuse block of claim 1, wherein: the cross-sectional view of the PCB (3) is the same as the cross-sectional view of the top of the upper shell (2).