CN217239375U - Fuse box - Google Patents

Abstract

The utility model discloses a fuse box, fuse box includes: the main part, the lid, first electric conductor and second electric conductor, the lid is connected with the main part in order to inject the installation cavity, the installation cavity is located in the alternative of one in first conductive component and the second conductive component, first conductive component includes first busbar, locate connecting terminal on the first busbar and connect a plurality of fuses on the first busbar, the second conductive component includes spaced apart first sub-conductive component and second sub-conductive component, first sub-conductive component includes the second busbar, locate the connecting terminal on the second busbar and locate the fuse on the second busbar, the second sub-conductive component includes the third busbar, locate the connecting terminal on the third busbar and locate the fuse on the third busbar, each structural arrangement position of second conductive component is the same with each structural arrangement position of first conductive component. According to the utility model discloses a fuse box makes fuse box's structure can general, the cost is reduced.

Description

Fuse box

Technical Field

The utility model belongs to the technical field of fuse box technique and specifically relates to a fuse box is related to for car.

Background

Along with the automatic driving technology is gradually perfected, double power supplies are designed for partial core electric devices such as a steering system and a braking system, the double power supplies are connected with a main battery when no automatic driving requirement exists, a main power supply of the whole vehicle is connected all the way when a redundancy requirement exists, and a redundancy power supply system is connected all the way to guarantee the automatic driving safety. At present, the vehicle power source is 12V main storage battery, the fuse box distributes downstream electrical equipment after getting electricity from the storage battery, main power supply and redundant power supply distribution and protection requirements cannot be met simultaneously, the circuit of the fuse box is few, increasing electrical equipment requirements cannot be met, when the redundant power supply requirements exist in different configurations of the same vehicle type, the fuse box needs to be independently added to distribute and protect the redundant function, namely, the electrical equipment, and the cost is improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a fuse block, fuse block can the universalization design to the vehicle of the different configurations of same motorcycle type, has reduced development cost.

According to the utility model discloses fuse box includes: a main body; a cover connected with the main body to define an installation cavity; a first conductive component and a second conductive component, one of the first conductive component and the second conductive component being selectively provided in the mounting cavity, the first conductive member includes a first bus bar, a connection terminal provided on the first bus bar, and a plurality of fuses connected to the first bus bar, the second conductive component comprises a first sub-conductive component and a second sub-conductive component which are spaced, the first sub-conductive component comprises a second bus bar, a connecting terminal arranged on the second bus bar and a fuse arranged on the second bus bar, the second sub-conductive member includes a third bus bar, a connection terminal provided on the third bus bar, and a fuse provided on the third bus bar, the structural arrangement positions of the second conductive assembly are the same as those of the first conductive assembly.

According to the fuse box of the embodiment of the utility model, the first conductive component can meet the non-redundant requirement by making the first conductive component comprise the first bus bar, the second conductive component comprises the second bus bar and the third bus bar, the second conductive component can meet the redundant requirement, the structural arrangement positions of the first conductive component and the structural arrangement positions of the second conductive component are the same, one of the first conductive component or the second conductive component can be selectively arranged in the mounting cavity limited by the cover body and the main body, so that the fuse box can simultaneously meet the power-taking requirement of the fuse box at different automatic driving levels, when the redundant power supply requirement exists in different configurations of the same vehicle type, the fuse box does not need to be added independently to distribute and protect power supplies for redundant functions and electrical equipment, so that the fuse box with redundant requirements and the fuse box with non-redundant requirements can be universal in structure, and the cost is reduced.

According to some embodiments of the utility model, be equipped with first holding tank and a plurality of and the second holding tank of first holding tank intercommunication in the main part, first holding tank is used for holding first busbar or the second busbar with the third busbar, the second holding tank is used for holding connecting terminal or the fuse.

In some embodiments of the utility model, the fuse is suitable for and draws forth the connecting piece and is connected, draw forth the relative both sides of connecting piece and be equipped with first lug and second lug respectively, be equipped with first protruding muscle and second protruding muscle on the relative both sides wall of second holding tank respectively, first protruding muscle is located first lug is followed fuse length direction's one side and with first lug ends, the protruding muscle of second is located the second lug is followed fuse length direction's opposite side and with the second lug ends.

In some embodiments of the present invention, the first lug and the second lug are at least partially staggered in a length direction of the fuse.

In some embodiments of the present invention, the first holding tank and the bottom wall of the second holding tank are provided with water leakage holes.

According to some embodiments of the invention, the main body is provided with a plurality of spaced apart reference columns, and at least part of the fuse is clamped between the plurality of reference columns.

According to the utility model discloses a some embodiments, be equipped with a plurality of bolts in the main part, connecting terminal with be equipped with on the fuse with bolt complex mounting hole, through the cooperation of bolt and nut is realized first conductive component or second conductive component's is fixed.

In some embodiments of the invention, the bolt is integral with the body.

According to some embodiments of the present invention, the main body has a first outer sidewall and a second outer sidewall opposite to each other, the first outer sidewall is provided with a first protrusion, and the cover body is provided with a first buckle engaged with the first protrusion; the second outer side wall is provided with a second clamping protrusion, the cover body is provided with a clamping piece, the clamping piece is connected with the cover body in the middle of the direction from the cover body to the main body, and a protrusion matched with the second clamping protrusion is arranged on the inner wall face of one end, close to the main body, of the clamping piece.

According to some embodiments of the present invention, further comprising: the mounting bracket is detachably connected with the main body.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of a fuse block according to an embodiment of the present invention;

figure 2 is a perspective view of a lid of a fuse box according to an embodiment of the present invention;

figure 3 is a top view of the body of the fuse box according to an embodiment of the present invention;

figure 4 is a perspective view of a first conductive component of a fuse block in accordance with an embodiment of the present invention;

figure 5 is a perspective view of a second conductive component of a fuse box according to an embodiment of the present invention;

figure 6 is a top view of the body of the fuse block and the second conductive component in accordance with an embodiment of the present invention;

figure 7 is a perspective view of the main body of the fuse box and the first conductive assembly according to an embodiment of the present invention;

figure 8 is a perspective view of the main body of the fuse box and a second conductive assembly according to an embodiment of the present invention;

FIG. 9 is an enlarged view at A in FIG. 6;

FIG. 10 is an enlarged view at B in FIG. 6;

fig. 11 is a functional block diagram of a fuse box according to an embodiment of the present invention.

Reference numerals are as follows:

100. a fuse box;

1. a main body; 11. a mounting cavity; 12. a first accommodating groove; 13. a second accommodating groove; 131. a first rib; 132. a second convex rib; 14. a water leakage hole; 15. a positioning column; 16. a first outer side wall; 161. a first snap projection; 17. a second exterior sidewall; 171. a second snap projection;

2. a cover body; 21. a first buckle; 22. a clamping piece; 221. a protrusion;

3. a first conductive component; 31. a first bus bar; 311. a third fixing hole; 312. a fourth fixing hole; 32. A connection terminal; 33. a fuse; 331. fusing the body; 332. mounting holes;

4. a second conductive component; 41. a first sub-conductive member; 411. a second bus bar; 4111. a first fixing hole; 42. a second sub-conductive member; 421. a third bus bar; 4211. a second fixing hole;

5. leading out a connecting piece; 51. a first lug; 52. a second lug;

6. a bolt;

7. and (7) mounting a bracket.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The fuse box 100 according to an embodiment of the present invention is described below with reference to the drawings.

As shown in fig. 1 to 5, a fuse box 100 according to an embodiment of the present invention includes a main body 1, a cover 2, a first conductive component 3, and a second conductive component 4.

As shown in fig. 1 and 2, the cover body 2 is coupled to the main body 1 to define a mounting cavity 11. Wherein, the cover body 2 can protect the components in the installation cavity 11.

As shown in fig. 4 to 8, one of the first conductive component 3 and the second conductive component 4 may be selectively disposed in the mounting cavity 11, the first conductive component 3 includes a first bus bar 31, a connection terminal 32 disposed on the first bus bar 31, and a plurality of fuses 33 connected to the first bus bar 31, the second conductive component 4 includes a first sub-conductive component 41 and a second sub-conductive component 42 which are spaced apart from each other, the first sub-conductive component 41 includes a second bus bar 411, the connection terminal 32 disposed on the second bus bar 411, and the fuses 33 disposed on the second bus bar 411, the second sub-conductive component 42 includes a third bus bar 421, a connection terminal 32 disposed on the third bus bar 421, and fuses 33 disposed on the third bus bar 421, and each structural arrangement position of the second conductive component 4 is the same as each structural arrangement position of the first conductive component 3. Specifically, first conductive component 3 can satisfy non-redundant demand, and second conductive component 4 can satisfy redundant demand, and a plurality of fuses 33 and first busbar 31, second busbar 411 or third busbar 421 can be connected through the riveting technology, adopts the riveting technology can improve electric conductive property, makes the connection between fuses 33 and first busbar 31, second busbar 411 or third busbar 421 more reliable. Through making each structure of second conductive component 4 arrange the position the same with each structure of first conductive component 3 and arrange the position, make fuse box 100 can be compatible the different autopilot grades of vehicle simultaneously and get the electric demand to fuse box 100, make fuse box 100 can carry out the universalization design, reduced development cost, reduced fuse box 100's volume.

For example, in one embodiment shown in fig. 5, 8 and 11, the first conductive component 3 includes a first bus bar 31, two connection terminals 32 disposed on the first bus bar 31, and eight fuses 33 connected to the first bus bar 31, the two connection terminals 32 are disposed on two sides of the first bus bar 31 in the length direction, the eight fuses 33 are disposed on two sides of the first bus bar 31 in the length direction and are uniformly spaced along the length direction of the first bus bar 31, the two connection terminals 32 can be respectively connected to a main power supply and a starter to form two power supply circuits, the eight fuses 33 form eight MIDI fuses, and the fuses 33 can be connected to an electric oil pump, an electric water pump, and the like.

In another embodiment shown in fig. 4 and 7, the second conductive member 4 includes a first sub-conductive member 41 and a second sub-conductive member 42 which are spaced apart, the first sub-conductive member 41 can be used for supplying power and protecting a circuit of a redundant device, the first sub-conductive member 41 includes a second bus bar 41, a connection terminal 32 provided on the second bus bar 41, and three fuses 33 provided on the second bus bar 41, the connection terminal 32 is located on one side of the second bus bar 411 in the length direction, one fuse 33 is provided on the other side of the second bus bar 411 in the length direction, the fuse 33 is opposite to the connection terminal 32, the other two fuses 33 are located on the same side of the connection terminal 32 and are uniformly spaced apart in the length direction of the second bus bar 411, the connection terminal 32 provided on the second bus bar 411 is connected to a redundant power supply, a redundant circuit can be formed, three fuses 33 are connected to the second bus 411 to form a three-way redundant power supply MIDI fuse.

The second sub conductive member 42 may be used for supplying power and protecting a circuit of the main power, the second sub conductive member 42 includes a third bus bar 421, two connection terminals 32 provided on the third bus bar 421, and four fuses 33 provided on the third bus bar 421, the two connection terminals 32 are located at both sides of the length direction of the third bus bar 421, the three fuses 33 are located at one side of the length direction of the third bus bar 421 away from the connection terminals 32 of the second bus bar 411, the other fuse 33 is located on the other side of the third bus 421 in the length direction, the two connection terminals 32 can be connected to the main power supply and the starter, respectively, to form two power supply loops, the four fuses 33 form four MIDI fuses, the fuses 33 can be connected to an electronic oil pump, an electronic water pump, etc., and the arrangement positions of the second conductive assembly 4 are the same as the arrangement positions of the first conductive assembly 3.

According to the fuse box 100 of the embodiment of the present invention, the first conductive component 3 can satisfy the non-redundant requirement by making the first conductive component 3 include the first bus bar 31, the second conductive component 4 includes the second bus bar 411 and the third bus bar 421, the second conductive component 4 can satisfy the redundant requirement, the structural arrangement positions of the first conductive component 3 are the same as those of the second conductive component 4, one of the first conductive component 3 or the second conductive component 4 can be selectively arranged in the mounting cavity 11 defined by the cover body 2 and the main body 1, so that the fuse box 100 can be compatible with different automatic driving levels to meet the power demand of the fuse box 100, when the redundant power demand exists in different configurations of the same vehicle model, the fuse box 100 does not need to be separately added to distribute and protect the power of the redundant function and the electrical equipment, the fuse box 100 with the redundant requirement and the fuse box 100 with the non-redundant requirement can have a common structure, the cost is reduced.

According to some embodiments of the present invention, as shown in fig. 6 to 8, a first receiving groove 12 and a plurality of second receiving grooves 13 communicated with the first receiving groove 12 are disposed on the main body 1, the first receiving groove 12 is used for receiving the first bus bar 31 or the second bus bar 411 and the third bus bar 421, and the second receiving groove 13 is used for receiving the connecting terminal 32 or the fuse 33. The arrangement facilitates the installation of the first conductive component 3 or the second conductive component 4, and improves the reliability and safety of the fuse box 100.

For example, in one embodiment shown in fig. 7, in the length direction of the fuse box 100, two sides of the width direction of the first receiving groove 12 are provided with a plurality of second receiving grooves 13 communicating with the first receiving groove 12, the first receiving groove 12 is provided with the second bus bar 411 and the third bus bar 421, the second bus bar 411 is provided with a first fixing hole 4111, the second bus bar 411 is fixed in the first receiving groove 12 by inserting a fastener into the first fixing hole 4111, the third bus bar 421 is provided with a second fixing hole 4211, the third bus bar 421 is fixed in the first receiving groove 12 by inserting a fastener into the second fixing hole 4211, and since the size of the connecting terminal 32 may be different from the size of the fuse 33, the size of the second receiving groove 13 receiving the connecting terminal 32 may be different from the size of the fuse receiving groove 33.

In another embodiment shown in fig. 8, a plurality of second receiving grooves 13 communicating with the first receiving grooves 12 are disposed on left and right sides of the first receiving grooves 12, a first bus bar 31 is disposed in the first receiving grooves 12, a third fixing hole 311 and a fourth fixing hole 312 are disposed on the first bus bar 31, the first bus bar 31 is fixed in the first receiving grooves 12 by inserting a fastener into the third fixing hole 311 and the fourth fixing hole 312, wherein the third fixing hole 311 and the first fixing hole 4111 may have the same diameter, and the third fixing hole 311 and the first fixing hole 4111 may be disposed at the same position on the main body 1, and the fourth fixing hole 312 and the second fixing hole 4211 may have the same diameter as the second fixing hole 4211, and the fourth fixing hole 312 and the second fixing hole 4211 may be disposed at the same position on the main body 1.

According to some embodiments of the present invention, as shown in fig. 6 and 10, the fuse 33 is adapted to be connected to the leading-out connecting member 5, the two opposite sides of the leading-out connecting member 5 are respectively provided with the first lug 51 and the second lug 52, the two opposite side walls of the second accommodating groove 13 are respectively provided with the first convex rib 131 and the second convex rib 132, the first convex rib 131 is located on one side of the first lug 51 along the length direction of the fuse 33 and abuts against the first lug 51, and the second convex rib 132 is located on the other side of the second lug 52 along the length direction of the fuse 33 and abuts against the second lug 52. The arrangement facilitates the installation of the leading-out connecting piece 5, can limit the position of the leading-out connecting piece 5, and improves the safety and the reliability of the fuse box 100.

According to some embodiments of the present invention, as shown in fig. 6 and 10, the first lug 51 and the second lug 52 are at least partially staggered in the length direction of the fuse 33. The arrangement can limit the leading-out connecting piece 5, so that the leading-out connecting piece 5 is prevented from rotating after being installed, and the safety and the reliability of the fuse box 100 are improved.

For example, in the embodiment shown in fig. 6 and 10, the first lug 51 and the second lug 52 of the lead-out connecting member 5 are partially disposed in a staggered manner in the length direction of the fuse 33, the first lug 51 is located on the side of the second lug 52 close to the first receiving groove 12, the first rib 131 and the second rib 132 are provided on the opposite sides of the second receiving groove 13, the first rib 131 is located on the side of the first lug 51 away from the first receiving groove 12 and abuts against the first lug 51, and the second rib 132 is located on the side of the second lug 52 close to the first receiving groove 12 and abuts against the second lug 52, so that the position of the lead-out connecting member 5 can be limited and rotation of the lead-out connecting member 5 can be avoided.

According to some embodiments of the present invention, as shown in fig. 8, the bottom walls of the first holding groove 12 and the second holding groove 13 are provided with water leakage holes 14. The arrangement enables the fuse box 100 to be drained in the first time after abnormal water inflow, avoids corrosion and even short circuit of internal metal, and improves the safety and reliability of the fuse box 100.

According to some embodiments of the present invention, as shown in fig. 6 and 9, the main body 1 is provided with a plurality of spaced-apart positioning posts 15, and at least a part of the fuse 33 is clamped between the plurality of positioning posts 15. The fuse 33 can be limited by the arrangement, the phenomenon that the fuse 33 falls off after being installed is avoided, and the safety and the reliability of the fuse box 100 are improved.

For example, in the embodiment shown in fig. 6 and 9, a plurality of spaced positioning pillars 15 are provided on two opposite sidewalls of the second receiving groove 13, the fuse 33 includes a fuse main body 3311, and the plurality of spaced positioning pillars 15 are located in a circumferential direction of the fuse 33 main body 1 to position the fuse 33 main body 1, so that the fuse 33 can be positioned.

According to some embodiments of the present invention, as shown in fig. 4, fig. 7 and fig. 8, the main body 1 is provided with a plurality of bolts 6, the connecting terminals 32 and the fuse 33 are provided with mounting holes 332 engaged with the bolts 6, and the first conductive assembly 3 or the second conductive assembly 4 is fixed by the engagement of the bolts 6 and the nuts. The arrangement is simple, the first conductive component 3 or the second conductive component 4 can be fixed conveniently, and the safety of the fuse box 100 is improved.

According to some embodiments of the present invention, as shown in fig. 1, the bolt 6 is integral with the main body 1. The fixing bolt 6 is firmer due to the arrangement, and the consistency of products is guaranteed.

According to the utility model discloses a some embodiments, as shown in fig. 1 and fig. 2, main part 1 has relative first lateral wall 16 and second lateral wall 17, be equipped with the protruding 161 of first card on the first lateral wall 16, be equipped with on the lid 2 with the protruding 161 complex first buckle 21 of first card, be equipped with the protruding 171 of second card on the second lateral wall 17, be equipped with joint spare 22 on the lid 2, joint spare 22 is connected with lid 2 at the middle part of lid 2 to main part 1 direction, the internal face of the one end that is close to main part 1 of joint spare 22 is equipped with the protruding 171 complex arch 221 of second card. Wherein, the second card is protruding 171 and the joint spare 22 can be for pressing the joint, can remove the cooperation of second card protruding 171 and joint spare 22 through pressing the one end that the joint spare 22 kept away from main part 1. The arrangement is simple, the cover body 2 and the main body 1 are convenient to connect, and the convenience of maintaining the fuse box 100 is improved.

According to some embodiments of the present invention, the fuse box 100 further comprises: and the mounting bracket 7 is detachably connected with the main body 1. The mounting bracket 7 is convenient to replace by the arrangement, so that the fuse box 100 can be designed into different mounting brackets 7 according to different arrangement environments of different vehicle types, and the applicability of the fuse box 100 is improved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A fuse box (100), comprising:

a main body (1);

a cover body (2), wherein the cover body (2) is connected with the main body (1) to define a mounting cavity (11);

a first conductive assembly (3) and a second conductive assembly (4), one of the first conductive assembly (3) and the second conductive assembly (4) is selectively arranged in the installation cavity (11), the first conductive assembly (3) comprises a first bus bar (31), a connecting terminal (32) arranged on the first bus bar (31) and a plurality of fuses (33) connected to the first bus bar (31), the second conductive assembly (4) comprises a first sub conductive assembly (41) and a second sub conductive assembly (42) which are spaced apart, the first sub conductive assembly (41) comprises a second bus bar (411), the connecting terminal (32) arranged on the second bus bar (411) and the fuses (33) arranged on the second bus bar (411), and the second sub conductive assembly (42) comprises a third bus bar (421), The connecting terminal (32) is arranged on the third bus bar (421), the fuse (33) is arranged on the third bus bar (421), and the arrangement positions of the second conductive component (4) are the same as those of the first conductive component (3).

2. The fuse block (100) according to claim 1, wherein a first receiving slot (12) and a plurality of second receiving slots (13) are provided on the main body (1), the first receiving slot (12) is used for receiving the first bus bar (31) or the second bus bar (411) and the third bus bar (421), and the second receiving slot (13) is used for receiving the connecting terminal (32) or the fuse (33).

3. The fuse block (100) according to claim 2, wherein the fuse (33) is adapted to be connected to a leading-out connector (5), two opposite sides of the leading-out connector (5) are respectively provided with a first lug (51) and a second lug (52), two opposite side walls of the second accommodating groove (13) are respectively provided with a first rib (131) and a second rib (132), the first rib (131) is located on one side of the first lug (51) along the length direction of the fuse (33) and abuts against the first lug (51), and the second rib (132) is located on the other side of the second lug (52) along the length direction of the fuse (33) and abuts against the second lug (52).

4. A fuse block (100) according to claim 3, characterized in that the first lug (51) and the second lug (52) are at least partially offset in the length direction of the fuse (33).

5. The fuse box (100) according to claim 2, characterized in that the first receiving groove (12) and the second receiving groove (13) are provided with water leakage holes (14) on the bottom wall.

6. A fuse block (100) according to claim 1, characterised in that the main body (1) is provided with a plurality of spaced locating posts (15), and at least part of the fuse (33) is captured between the plurality of locating posts (15).

7. The fuse block (100) according to claim 1, characterized in that a plurality of bolts (6) are provided on the main body (1), mounting holes (332) for fitting the bolts (6) are provided on the connecting terminal (32) and the fuse (33), and the first conductive component (3) or the second conductive component (4) is fixed by fitting the bolts (6) and nuts.

8. A fuse block (100) according to claim 7, characterized in that the bolt (6) is in one piece with the body (1).

9. The fuse box (100) according to claim 1, characterized in that the main body (1) has a first outer side wall (16) and a second outer side wall (17) which are opposite to each other, a first snap projection (161) is provided on the first outer side wall (16), and a first snap (21) which is matched with the first snap projection (161) is provided on the cover body (2);

be equipped with second card protruding (171) on second outside wall (17), be equipped with joint spare (22) on lid (2), joint spare (22) are in lid (2) extremely the middle part of main part (1) direction with lid (2) are connected, the internal face that is close to of joint spare (22) the one end of main part (1) be equipped with protruding (171) complex arch (221) of second card.

10. The fuse box (100) of claim 1, further comprising:

the mounting bracket (7), the mounting bracket (7) with main part (1) detachable connection.

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