Engine compartment fuse box with secondary lock

Abstract

The invention provides an engine compartment fuse box with a secondary lock, and relates to the technical field of fuse boxes, the engine compartment fuse box comprises a fuse bottom box, the top of the fuse bottom box is hinged and matched with a fuse cover, the inner bottom of the fuse bottom box is fixedly provided with a fuse mounting seat, and the fuse mounting seat is clamped and matched with a plurality of fuses. And a clamping mechanism is arranged at the top of the fuse in the safety cover. In the process from mutual contact of the fuse bottom box and the fuse cover to complete closing, the two U-shaped clamping plates clamp the top of the fuse clamped and matched on the fuse mounting seat, and the top of the fuse abuts against the limiting top plate fixed to the circumferential side face of the semicircular plate. And the surfaces of the pins are in fit fit with the two U-shaped extrusion plates, the center clamping ring and the side edge clamping plates, so that the bottom of the fuse can be further clamped, the connection stability of the fuse and a connection circuit is further improved, the short circuit phenomenon of the fuse and the circuit is reduced, and the safety of the engine compartment is improved.

Description

Technical Field

[0001] The invention relates to the technical field of fuse boxes, in particular to an engine compartment fuse box with a secondary lock. Background Art

[0002] A fuse box is a box that can install fuses, also called a fuse holder, which is convenient for installing fuses. When selecting a fuse box, the current of the fuse used and the size requirements of the fuse should be considered. The fuse box is mainly responsible for the safety of external electrical appliances, such as the safety protection of ECUs, lights, speakers and other circuits.

[0003] During installation, the existing fuse box is in contact with and connected to the circuit at the bottom of the fuse box to protect the circuit in the engine compartment and protect the circuit of the electrical appliance from damage due to current overload or short circuit. The existing engine compartment is prone to collision and shaking during movement, causing a short circuit between the fuse and the circuit, thereby reducing the safety of the engine compartment. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides an engine compartment fuse box with a secondary lock, which solves the problem that the existing engine compartment is prone to collision and shaking during movement, causing a short circuit between the fuse and the circuit, thereby reducing the safety of the engine compartment.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: an engine compartment fuse box with a secondary lock, comprising a fuse base box, a fuse cover hingedly fitted at the top of the fuse base box, a fuse mounting seat fixedly installed at the bottom of the fuse base box, a plurality of fuses snap-fitted on the fuse mounting seat, and a snap-fit ​​mechanism provided at the top of the fuse cover at the top of the fuse.

[0008] The clamping mechanism comprises two mounting frames fixedly connected to the inner top of the safety cover, a plurality of guide plates are fixed on the two mounting frames, and the bottoms of the plurality of guide plates are slidably matched with two vertical frames.

[0009] A U-shaped clamping plate is fixed on one side relative to the two vertical frames, two circular plates are arranged on the U-shaped clamping plate, and a semi-circular plate is arranged on one side relative to the two U-shaped clamping plates, and a limiting top plate is fixed on the inner side of the U-shaped clamping plate.

[0010] The inner wall of the mounting frame is rotatably matched with a rotating shaft, and a plurality of swing plates are fixed to the peripheral side of the rotating shaft, and the two vertical frames are respectively slidably matched with the two ends of the swing plates.

[0011] Preferably, a driven gear is fixed to the circumferential side of the rotating shaft.

[0012] The clamping mechanism also includes an elastic spring fixedly connected to the top of the safety cover, a central dome plate is fixed to the bottom of the elastic spring, a sliding mechanism is arranged inside the elastic spring between the top of the safety cover and the central dome plate, the sliding mechanism includes a sleeve fixedly connected to the top of the safety cover, a sliding rod fixedly connected to the top of the central dome plate is slidably fitted on the inner wall of the sleeve, and two symmetrical active racks are fixed to the circumferential side of the central dome plate outside the elastic spring.

[0013] The two active racks are respectively meshed with the driven gears on the corresponding sides.

[0014] Preferably, a first central block is fixed below the central dome plate, and a first clamping block is fixed at the bottom of the first central block.

[0015] A second center block is fixed at the bottom of the fuse bottom box, and a first clamping groove which is clamped and matched with the first clamping block is formed on the top of the second center block.

[0016] Preferably, a plurality of plug-in sleeves are provided on the safety mounting seat, and two symmetrical U-shaped dustproof plates are provided on the tops of the plurality of plug-in sleeves.

[0017] Preferably, the inner walls of some of the plug-in sleeves are provided with two symmetrical U-shaped extrusion plates, a center clamp ring is fixed at the center position of the inner wall of the plug-in sleeve below the two U-shaped extrusion plates, and two side clamps are also fixed to the inner wall of the plug-in sleeve below the U-shaped extrusion plates.

[0018] Preferably, the fuse is provided with a plug, and the plug is plugged into between two U-shaped dustproof plates on the top of the socket.

[0019] The surfaces of the pins are respectively fitted and matched with the two U-shaped extrusion plates, the center clamping ring and the side clamping plates.

[0020] Preferably, a sealing ring is arranged on the outer top of the fuse bottom box, and a waterproof partition which is mutually engaged with the bottom of the fuse cover is fixed on the inner side of the sealing ring on the outer top of the fuse bottom box.

[0021] Preferably, a circular sealing plate is fixed to the outer top of the waterproof baffle, and the circular sealing plate is clamped with the inner wall of the safety cover.

[0022] (III) Beneficial effects

[0023] The present invention provides an engine compartment fuse box with a secondary lock, which has the following beneficial effects:

[0024] 1. In the present invention, during the process of the fuse bottom box and the fuse cover contacting each other until they are completely closed, the first clamping block in the clamping mechanism and the first clamping groove provided on the top of the second center block contact and clamp each other, so that the two U-shaped clamping plates clamp the top of the fuse that is clamped and matched on the fuse mounting seat, wherein the fuse is clamped and matched between the two circular plates provided on the U-shaped clamping plates and between the semi-circular plates provided on the opposite sides of the two U-shaped clamping plates, and the top of the fuse and the limiting top plate fixed on the side surface of the semi-circular plate are pressed against each other, thereby avoiding the shaking of the fuse bottom box during the movement of the engine compartment, which may cause the vibration or ejection of the fuse.

[0025] 2. In the present invention, when the U-shaped clamping plate and the fuse are stably clamped, the fuse bottom box and the fuse cover are completely closed, and the first clamping block is clamped into the first clamping groove, thereby improving the stability of the internal connection between the fuse bottom box and the fuse cover.

[0026] 3. In the present invention, the bottom of the fuse can be further clamped by the mutual fit between the pin surface and the two U-shaped extrusion plates, the center clamp ring, and the side clamp plates, thereby reducing the shaking phenomenon of the fuse, further improving the connection stability between the fuse and the connecting circuit, reducing the short circuit phenomenon between the fuse and the circuit, and improving the safety of the engine compartment. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of an engine compartment fuse box with a secondary lock according to the present invention;

[0028] Figure 2 for Figure 1 The enlarged schematic diagram of point A in the middle;

[0029] Figure 3 for Figure 1 The enlarged schematic diagram of point B in the middle;

[0030] Figure 4 It is a cross-sectional view of the fuse bottom box;

[0031] Figure 5 for Figure 4 The enlarged schematic diagram of the center C;

[0032] Figure 6 It is a structural schematic diagram of the fuse mounting seat, the fuse and the clamping mechanism;

[0033] Figure 7 for Figure 6 The enlarged schematic diagram of point D in the middle;

[0034] Figure 8 It is a structural diagram of the fuse mounting seat and the fuse;

[0035] Fig. 9It is a cross-sectional view of the fuse mounting seat and the fuse;

[0036] Fig.10 for Fig. 9 The enlarged schematic diagram of point E in the middle;

[0037] Fig.11 Another angled cross-sectional view of the fuse mounting base and the fuse;

[0038] Fig.12 It is a structural schematic diagram of the clamping mechanism;

[0039] Fig.13 for Fig.12 The enlarged schematic diagram of F in the middle;

[0040] Fig.14 It is a schematic diagram of the structure of the vertical frame and the rotation axis;

[0041] Fig.15 It is a cross-sectional view of the snap-fit ​​position of the fuse base box and the fuse cover.

[0042] Among them, 1. fuse bottom box; 2. fuse cover; 3. fuse mounting seat; 4. fuse; 5. clamping mechanism; 11. second center block; 111. first clamping groove; 12. waterproof baffle; 121. circular sealing plate; 13. sealing ring; 31. plug-in sleeve; 311. U-shaped extrusion plate; 312. center clamping ring; 313. side clamping plate; 32. U-shaped dustproof plate; 401. pin; 501. mounting frame; 502. guide plate; 503. vertical frame; 504. U-shaped clamping plate; 5041. circular plate; 5042. semi-circular plate; 5043. limit top plate; 505. rotating shaft; 5051. swing plate; 5052. driven gear; 506. elastic spring; 5061. center round top plate; 5062. active rack; 5063. first clamping block; 5064. first center block. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] Embodiment 1:

[0045] like Figure 1-Figure 15As shown, an embodiment of the present invention provides an engine compartment fuse box with a secondary lock, including a fuse bottom box 1, a fuse cover 2 is hingedly matched at the top of the fuse bottom box 1, a fuse mounting seat 3 is fixedly installed at the bottom of the fuse bottom box 1, a plurality of fuses 4 are snap-fitted on the fuse mounting seat 3, a snap-fit ​​mechanism 5 is arranged at the top of the fuse 4 in the top of the fuse cover 2; the snap-fit ​​mechanism 5 includes two mounting frames 501 fixedly connected to the top of the fuse cover 2, a plurality of guide plates 502 are fixed on the two mounting frames 501, and the bottoms of the plurality of guide plates 502 are slidably matched with two Vertical frame 503; U-shaped clamping plates 504 are fixed to opposite sides of the two vertical frames 503, two circular plates 5041 are arranged on the U-shaped clamping plates 504, semi-circular plates 5042 are arranged on opposite sides of the two U-shaped clamping plates 504, and limited top plates 5043 are fixed to the sides of the semi-circular plates 5042 located on the inner sides of the U-shaped clamping plates 504; a rotating shaft 505 is rotatably matched with the inner wall of the mounting frame 501, and a plurality of swinging plates 5051 are fixed to the sides of the rotating shaft 505, and the two vertical frames 503 are slidably matched with the two ends of the swinging plates 5051 respectively.

[0046] Specifically, a driven gear 5052 is fixed to the side surface of the rotating shaft 505; the clamping mechanism 5 also includes an elastic spring 506 fixedly connected to the top of the safety cover 2, a central dome plate 5061 is fixed to the bottom of the elastic spring 506, a sliding mechanism is arranged inside the elastic spring 506 between the top of the safety cover 2 and the central dome plate 5061, the sliding mechanism includes a sleeve fixedly connected to the top of the safety cover 2, a sliding rod fixedly connected to the top of the central dome plate 5061 is slidably fitted on the inner wall of the sleeve, two symmetrical active racks 5062 are fixed to the side surface of the central dome plate 5061 outside the elastic spring 506; the two active racks 5062 are respectively meshed with the driven gears 5052 on the corresponding sides.

[0047] Furthermore, a first center block 5064 is fixed below the center dome plate 5061, and a first snap-in block 5063 is fixed to the bottom of the first center block 5064; a second center block 11 is fixed to the bottom of the fuse base box 1, and a first snap-in groove 111 is provided on the top of the second center block 11 to snap-in with the first snap-in block 5063.

[0048] The operation process of this embodiment is as follows: the fuse bottom box 1 and the fuse cover 2 are hinged to open and close, and can be further fixed with bolts after closing. During the process of the fuse bottom box 1 and the fuse cover 2 contacting each other until they are completely closed, the first clamping block 5063 in the clamping mechanism 5 and the first clamping groove 111 opened on the top of the second center block 11 contact each other, so that the elastic spring 506 fixed between the inner top of the fuse cover 2 and the central dome plate 5061 is compressed, driving the two symmetrical active racks 5062 fixed on the side of the central dome plate 5061 to move close to the inner top of the fuse cover 2, and through the meshing cooperation of the active rack 5062 and the driven gear 5052, the two driven gears 5052 and the two rotating shafts 505 are driven to move in the opposite direction at the same time, so that the several swing plates 5051 fixed on the side of the two rotating shafts 505 simultaneously make opposite swinging movements, and through the sliding cooperation of the two vertical frames 503 and the bottom of the guide plate 502, and the sliding cooperation of both ends of the swing plate 5051 with the vertical frame 503, The two vertical frames 503 slidingly matched at the bottom of the guide plate 502 are driven to move closer to each other, thereby driving the U-shaped clamping plate 504 fixed on one side of the two vertical frames 503 to move closer to each other, so that the two U-shaped clamping plates 504 clamp the top of the fuse 4 engaged on the fuse mounting seat 3, wherein the fuse 4 is engaged between the two circular plates 5041 set on the U-shaped clamping plate 504 and between the semi-circular plates 5042 set on the opposite side of the two U-shaped clamping plates 504. The top of the fuse 4 and the limiting top plate 5043 fixed on the side of the semicircular plate 5042 are pressed against each other, which prevents the fuse base box 1 from shaking during the movement of the engine compartment, causing the fuse 4 to vibrate or be ejected. When the clamping between the U-shaped clamping plate 504 and the fuse 4 is stable, the fuse base box 1 and the insurance cover 2 are completely closed, and the first clamping block 5063 is clamped into the first clamping groove 111, which improves the stability of the internal connection between the fuse base box 1 and the insurance cover 2.

[0049] Embodiment 2:

[0050] This embodiment is based on the first embodiment: a plurality of plug-in sleeves 31 are provided on the fuse mounting seat 3 , and two symmetrical U-shaped dustproof plates 32 are provided on the tops of the plurality of plug-in sleeves 31 .

[0051] Specifically, two symmetrical U-shaped extrusion plates 311 are arranged on the inner walls of the plug sleeves 31 , a center clamp ring 312 is fixed at the center position below the two U-shaped extrusion plates 311 , and two side clamp plates 313 are also fixed on the inner wall of the plug sleeve 31 below the U-shaped extrusion plates 311 .

[0052] Furthermore, the fuse 4 is provided with a pin 401, which is plugged between the two U-shaped dustproof plates 32 on the top of the socket 31; the surface of the pin 401 is respectively fitted with the two U-shaped extrusion plates 311, the center clamp ring 312, and the side clamp plate 313.

[0053] The operation process of this embodiment is as follows: the two U-shaped dustproof plates 32 arranged around each fuse 4 can effectively reduce dust from falling around the pin 401; the bottom of the fuse 4 can be further clamped by the mutual fit between the surface of the pin 401 and the two U-shaped extrusion plates 311, the center clamp ring 312, and the side clamp plate 313, thereby reducing the shaking phenomenon of the fuse 4, further improving the connection stability between the fuse 4 and the connection circuit, reducing the short circuit phenomenon between the fuse and the circuit, and improving the safety of the engine compartment.

[0054] Embodiment three:

[0055] This embodiment is based on the second embodiment: a sealing ring 13 is arranged on the outer top of the fuse bottom box 1, and a waterproof partition 12 is fixed on the inner side of the sealing ring 13 on the outer top of the fuse bottom box 1 and is mutually engaged with the bottom of the fuse cover 2.

[0056] Specifically, a circular sealing plate 121 is fixed to the outer top of the waterproof partition 12 .

[0057] Furthermore, the circular sealing plate 121 and the inner wall of the safety cover 2 are clamped with each other.

[0058] The operation process of this embodiment is as follows: the installation between the fuse base box 1 and the fuse cover 2 is sequentially carried out through the sealing ring 13 arranged between the two, so that the connection between the fuse base box 1 and the fuse cover 2 is sufficiently sealed, and then the place where the outer top of the fuse base box 1 and the fuse cover 2 are clamped is concave outside and convex inside, and the circular sealing plate 121 is fixed on the outer top of the waterproof partition 12, so as to prevent water from penetrating from the outside of the fuse base box 1 and the fuse cover 2, thereby achieving a waterproof effect.

[0059] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An engine compartment fuse box with a secondary lock, characterized in that: The invention comprises a fuse bottom box (1), the top of the fuse bottom box (1) is hingedly matched with a fuse cover (2), the bottom of the fuse bottom box (1) is fixedly mounted with a fuse mounting seat (3), a plurality of fuses (4) are snap-fitted on the fuse mounting seat (3), and a snap-fit ​​mechanism (5) is arranged on the top of the fuse (4) at the top of the inner top of the fuse cover (2); The clamping mechanism (5) comprises two mounting frames (501) fixedly connected to the top of the safety cover (2), a plurality of guide plates (502) being fixed on the two mounting frames (501), and two vertical frames (503) being slidably matched at the bottom of the plurality of guide plates (502); A U-shaped clamping plate (504) is fixed on one side opposite to the two vertical frames (503), two circular plates (5041) are arranged on the U-shaped clamping plate (504), a semi-circular plate (5042) is arranged on one side opposite to the two U-shaped clamping plates (504), and a limiting top plate (5043) is fixed on the circumferential side of the semi-circular plate (5042) located inside the U-shaped clamping plate (504); The inner wall of the mounting frame (501) is rotatably matched with a rotating shaft (505), and a plurality of swing plates (5051) are fixed on the peripheral side of the rotating shaft (505), and the two vertical frames (503) are respectively slidably matched with the two ends of the swing plates (5051).

2. The engine compartment fuse box with a secondary lock according to claim 1, characterized in that: A driven gear (5052) is fixed on the peripheral side of the rotating shaft (505); The clamping mechanism (5) further comprises an elastic spring (506) fixedly connected to the inner top of the safety cover (2), a central dome plate (5061) being fixedly provided at the bottom of the elastic spring (506), a sliding mechanism being arranged inside the elastic spring (506) between the inner top of the safety cover (2) and the central dome plate (5061), the sliding mechanism comprising a sleeve fixedly connected to the inner top of the safety cover (2), a sliding rod slidably fitted on the inner wall of the sleeve and fixedly connected to the top of the central dome plate (5061), and two symmetrical active racks (5062) being fixedly provided on the circumferential side surface of the central dome plate (5061) and located outside the elastic spring (506); The two active racks (5062) are respectively meshed with the driven gears (5052) on the corresponding sides.

3. The engine compartment fuse box with a secondary lock according to claim 2, characterized in that: A first central block (5064) is fixed below the central dome plate (5061), and a first clamping block (5063) is fixed at the bottom of the first central block (5064); A second center block (11) is fixed to the bottom of the fuse bottom box (1), and a first clamping groove (111) is provided on the top of the second center block (11) for clamping with the first clamping block (5063).

4. The engine compartment fuse box with a secondary lock according to claim 3, characterized in that: A plurality of plug-in sleeves (31) are arranged on the safety mounting seat (3), and two symmetrical U-shaped dustproof plates (32) are arranged on the tops of the plurality of plug-in sleeves (31).

5. The engine compartment fuse box with a secondary lock according to claim 4, characterized in that: The inner walls of the plug sleeves (31) are provided with two symmetrical U-shaped extrusion plates (311); a center clamping ring (312) is fixed at a central position of the inner wall of the plug sleeve (31) below the two U-shaped extrusion plates (311); and two side clamping plates (313) are also fixed to the inner wall of the plug sleeve (31) below the U-shaped extrusion plates (311).

6. The engine compartment fuse box with a secondary lock according to claim 5, characterized in that: The fuse (4) is provided with a plug pin (401), and the plug pin (401) is plugged between two U-shaped dustproof plates (32) at the top of the plug sleeve (31); The surfaces of the plug pins (401) are respectively fitted and matched with the two U-shaped extrusion plates (311), the center clamping ring (312), and the side clamping plates (313).

7. The engine compartment fuse box with a secondary lock according to claim 6, characterized in that: The outer top of the fuse bottom box (1) is provided with a sealing ring (13), and the outer top of the fuse bottom box (1) is fixed with a waterproof partition (12) located inside the sealing ring (13) and is mutually clamped with the bottom of the fuse cover (2).

8. The engine compartment fuse box with a secondary lock according to claim 6, characterized in that: A circular sealing plate (121) is fixed to the outer top of the waterproof baffle (12), and the circular sealing plate (121) is mutually clamped with the inner wall of the safety cover (2).

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