CN217788325U - Vehicle-mounted fuse box - Google Patents
Vehicle-mounted fuse box Download PDFInfo
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- CN217788325U CN217788325U CN202221717433.5U CN202221717433U CN217788325U CN 217788325 U CN217788325 U CN 217788325U CN 202221717433 U CN202221717433 U CN 202221717433U CN 217788325 U CN217788325 U CN 217788325U
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- shell
- fuse box
- buckle
- circuit board
- clamping
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Abstract
The utility model discloses a vehicle-mounted fuse box, which comprises a fuse box shell and a printed circuit board arranged in the fuse box shell; the fuse box comprises a fuse box shell and a fuse box body, wherein the fuse box shell comprises a lower shell, a middle shell and an upper shell, the middle shell is detachably connected with the lower shell through a first buckle, and the upper shell is detachably connected with the middle shell through a second buckle; the printed circuit board is installed in the middle shell, a circuit board cover plate is further installed in the middle shell, and the circuit board cover plate covers the printed circuit board. The utility model discloses a vehicle-mounted fuse box makes things convenient for the dismouting, and structure light in weight, the maintenance personal of being convenient for confirms the trouble fast to and the trouble is solved in time getting rid of, the performance of product has been promoted.
Description
Technical Field
The utility model relates to a fuse block technical field especially relates to a vehicle-mounted fuse block.
Background
The vehicle-mounted fuse box mainly comprises a fuse box shell and a printed circuit board, and is used for distributing current and shunting and outputting the current of the storage battery to different electrical appliances through different fuses and relays. The fuse box housing is generally divided into an upper housing, a middle housing and a lower housing. The lower case is used for fixing and wiring with a vehicle body, the printed circuit board is mounted in the middle case, and the upper case is used for covering the top opening of the middle case.
The upper shell, the middle shell and the lower shell of the existing fuse box shell are connected by screws or bolts, so that the fuse box shell is complex to disassemble and assemble.
In view of this, it is necessary to provide a vehicle-mounted fuse box that is easy to assemble and disassemble.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a easy dismounting's on-vehicle fuse box.
The technical scheme of the utility model provides a vehicle-mounted fuse box, which comprises a fuse box shell and a printed circuit board arranged in the fuse box shell;
the fuse box shell comprises a lower shell, a middle shell and an upper shell, wherein the middle shell is detachably connected with the lower shell through a first buckle, and the upper shell is detachably connected with the middle shell through a second buckle;
the printed circuit board is installed in the middle shell, a circuit board cover plate is further installed in the middle shell, and the circuit board cover plate covers the printed circuit board.
The utility model provides an on-vehicle fuse box, the middle part casing and the lower part casing of its fuse box casing can be dismantled through first buckle and be connected, and the upper portion casing and the middle part casing of its fuse box casing can be dismantled through the second buckle and be connected, need not single dismouting screw or screw again, have promoted the dismouting convenience of fuse box casing.
In one optional technical solution, the first buckle comprises a buckle latch tongue arranged on the lower shell and a buckle fixture block arranged on the middle shell;
the buckle clamping tongue is provided with a clamping tongue clamping groove with a downward opening;
when the middle shell and the lower shell are in a connected state, the clamping block is clamped in the clamping tongue clamping groove.
The buckle latch has elasticity. When the middle shell and the lower shell are assembled, the middle shell is pressed downwards, the buckle clamping blocks outwards push the buckle clamping tongues, and the buckle clamping blocks automatically enter the clamping tongues to be assembled after moving downwards in place. When the middle shell and the lower shell are disassembled, the top of the clamping tongue of the buckle is pulled outwards for a certain distance, so that the clamping block of the buckle is separated from the clamping groove of the clamping tongue, and then the middle shell is pulled upwards to complete the disassembly.
In one optional technical scheme, the upper end of the buckle clamping tongue is provided with a clamping tongue guide plate which extends obliquely outwards and upwards, so that the buckle clamping block can conveniently enter the inner side of the buckle clamping tongue downwards, and a tool can be conveniently used for prying the buckle clamping tongue, so that the buckle clamping block can be separated from the clamping groove of the clamping tongue.
In one optional technical scheme, the middle shell and the lower shell are detachably connected through a plurality of first buckles arranged at intervals, so that the connection stability of the middle shell and the lower shell is improved.
In one optional technical scheme, the second buckle comprises a buckle clamping plate arranged on the upper shell and a buckle hanging plate arranged on the middle shell;
the buckle clamping plate is provided with a clamping plate clamping hole, and the inner side of the buckle hanging plate is provided with a hanging plate clamping block;
when the upper shell and the middle shell are in a connection state, the hanging plate clamping blocks are clamped in the clamping plate clamping holes.
The buckle hanging plate has elasticity. When equipment upper portion casing and middle part casing, press upper portion casing downwards, after cardboard card hole downwardly movement targets in place, the automatic joint of link plate fixture block is accomplished the assembly in the cardboard card hole. When dismantling upper portion casing and lower part casing, outwards pull the top of buckle link plate earlier for the link plate fixture block breaks away from cardboard card hole, then upwards pulls up upper portion casing and accomplishes the dismantlement.
In one of them optional technical scheme, the bottom surface of link plate fixture block has the step portion, can select different step faces and the bottom surface joint in cardboard card hole according to actual need to adjust the elasticity of upper portion casing and middle part casing.
In one of the optional technical scheme, the upper portion casing with the middle part casing is through two mutual dispositions the second buckle can be dismantled and be connected, fixes upper portion casing and middle part casing from both ends, can satisfy the needs of assembly stability, again convenient to detach with the operating mode of inspection inside printed circuit board and annex.
In one optional technical scheme, the bottom of the lower shell is provided with a mounting seat which is convenient to mount on a fixed part of a vehicle body.
In one optional technical scheme, the printed circuit board is provided with a controller and a display screen, and the display screen is in signal connection with the controller;
and the circuit board cover plate is provided with a cover plate window corresponding to the display screen.
When the circuit fails, a fault code is displayed on the display screen. The user opens the upper portion casing, can observe the fault code through the apron window, is convenient for in time master the trouble condition to quick maintenance.
In one optional technical scheme, the bottom surface of the printed circuit board is provided with more than one signal output end.
The signal output end is used for being connected with the vehicle control unit through a signal line, and the states of the circuits monitored by the controller can be transmitted to the vehicle control unit through the signal line, so that maintenance personnel can conveniently and quickly confirm fault points and timely eliminate and solve faults.
By adopting the technical scheme, the method has the following beneficial effects:
the utility model provides a vehicle-mounted fuse box makes things convenient for the dismouting, and structure light in weight, the maintenance personal of being convenient for confirms the trouble fast to and the trouble is solved in time getting rid of, the performance of product has been promoted.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is a perspective view of a vehicle-mounted fuse box according to an embodiment of the present invention;
fig. 2 is an exploded view of a vehicle-mounted fuse box according to an embodiment of the present invention;
FIG. 3 is a perspective view of the lower housing with a snap latch;
FIG. 4 is a perspective view of the snap tongue;
FIG. 5 is a perspective view of a middle housing with a snap fixture block and a snap hanging plate;
FIG. 6 is an enlarged view of the inside of the buckle hanging plate with a hanging plate fixture block;
FIG. 7 is a perspective view of the upper housing with a snap-fit catch plate;
FIG. 8 is an enlarged view of the snap clamp;
FIG. 9 is a perspective view of a printed circuit board from a top perspective;
FIG. 10 is a perspective view of a printed circuit board from a bottom perspective;
FIG. 11 is a schematic view of the wiring harness assembled with the vehicle safety box from a top perspective;
fig. 12 is a schematic view of the wiring harness assembled with the vehicle fuse box from a bottom perspective.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-2, an embodiment of the present invention provides a vehicle fuse box, which includes a fuse box housing 1 and a printed circuit board 2 installed in the fuse box housing 1.
The fuse box shell 1 comprises a lower shell 11, a middle shell 12 and an upper shell 13, wherein the middle shell 12 is detachably connected with the lower shell 11 through a first buckle 4, and the upper shell 13 is detachably connected with the middle shell 12 through a second buckle 5.
The printed circuit board 2 is mounted in a middle housing 12, and a circuit board cover plate 3 is also mounted in the middle housing 12, and the circuit board cover plate 3 covers the printed circuit board 2.
The utility model provides an on-vehicle fuse block is including fuse block casing 1, printed circuit board 2 and circuit board cover plate 3.
The fuse box housing 1 is composed of a lower housing 11, a middle housing 12 and an upper housing 13. The middle housing 12 and the lower housing 11 are connected by a first buckle 4. The printed circuit board 2 is mounted in the middle case 12, and the circuit board cover plate 3 covers the printed circuit board 2 in the middle case 12 to protect the printed circuit board 2. The upper housing 13 and the middle housing 12 are connected by a second snap 5.
The first buckle 4 and the second buckle 5 can adopt a buckle structure in the prior art, such as a socket structure, a card slot structure, etc.
Therefore, the utility model provides an on-vehicle fuse box, the middle part casing 12 and the lower part casing 11 of its fuse box casing 1 can be dismantled through first buckle 4 and be connected, and the upper portion casing 13 and the middle part casing 12 of its fuse box casing 1 can be dismantled through second buckle 5 and be connected, need not single dismouting screw or screw again, have promoted fuse box casing 1's dismouting convenience.
In one embodiment, as shown in fig. 2-5, the first latch 4 includes a latch tongue 41 disposed on the lower housing 11 and a latch block 42 disposed on the middle housing 12.
The snap-fit latch 41 is provided with a latch slot 412 with a downward opening.
When the middle housing 12 and the lower housing 11 are in a connected state, the snap-fit latch 42 is snapped in the latch snap groove 412.
In this embodiment, the first latch 4 includes a latch tongue 41 and a latch block 42. The snap latch 41 has elasticity and may be a plastic plate. The snap catches 41 are provided at the top of the sides of the lower housing 11, the snap catches 41 extending upward from the sides of the lower housing 11. The latch tongue 41 has a latch tongue slot 412 with a downward opening. Snap-in catches 42 are provided at the bottom of the side of the center housing 12, and the snap-in catches 42 are outwardly protruded on the side of the center housing 12.
When the middle shell 12 and the lower shell 11 are assembled, the middle shell 12 is pressed downward, the fastening blocks 42 push the fastening tongues 41 outward, and the fastening blocks 42 automatically enter the tongue clamping grooves 412 after moving downward in place, and then are assembled. When the middle shell 12 and the lower shell 11 are disassembled, the top of the fastening tongue 41 is pulled outward a little distance to separate the fastening block 42 from the tongue groove 412, and then the middle shell 12 is pulled upward to complete the disassembly. When the snap latch 41 is pulled, the top of the snap latch 41 can be pried outward by a driver tool.
In one embodiment, as shown in fig. 4, the upper end of the snap latch 41 has a latch guide plate 411 extending obliquely outward and upward.
In this embodiment, the tongue guide plate 411 is integrally disposed on the top end of the buckle tongue 41, and the tongue guide plate 411 extends outward and upward in an inclined manner, so that the buckle tongue 42 can enter the inner side of the buckle tongue 41 downward, and a tool can be used to pry the buckle tongue 41, so that the buckle tongue 42 can be separated from the tongue slot 412.
In one embodiment, as shown in fig. 1 to 5, the middle housing 12 is detachably connected to the lower housing 11 through a plurality of first latches 4 arranged at intervals, so that the connection stability of the middle housing 12 and the lower housing 11 is improved. The middle housing 12 and the lower housing 11 generally do not need to be disassembled, and the middle housing 12 and the lower housing 11 are firmly fastened together by arranging a plurality of first buckles 4.
In one embodiment, as shown in fig. 1-2 and 5-8, the second catch 5 includes a catch tab 52 disposed on the upper housing 13 and a catch tab 51 disposed on the middle housing 12.
The snap-fit snap plate 52 has a snap plate snap hole 521, the inner side of the buckling hanging plate 51 is provided with a hanging plate clamping block 511.
When the upper shell 13 and the middle shell 12 are in a connection state, the hanging plate clamping blocks 511 are clamped in the clamping plate clamping holes 521.
In this embodiment, the second clip 5 includes a clip catch plate 52 and a clip catch plate 51. The hanging plate 51 is elastic and can be a plastic plate. A snap-in catch plate 51 is provided at the top of the side of the middle housing 12, which extends upwardly. The inner side of the buckle hanging plate 51 is provided with a hanging plate clamping block 511, and the hanging plate clamping block 511 is protruded towards the inner side of the buckle hanging plate 51. The snap-in catch plate 52 is provided on the side of the upper housing 13, and the snap-in catch plate 52 has a catch plate catch hole 521.
When assembling upper housing 13 and middle housing 12, press upper housing 13 downwards, after cardboard calorie of hole 521 moved in place downwards, link plate fixture block 511 automatic joint accomplished the assembly in cardboard calorie of hole 521. When the upper housing 13 and the lower housing 11 are disassembled, the top of the fastening hanging plate 51 is pulled outwards first, so that the hanging plate clamping blocks 511 are separated from the clamping plate clamping holes 521, and then the upper housing 13 is pulled upwards to complete the disassembly. When the buckle hanging plate 51 is pulled, the top of the buckle hanging plate 51 can be pried outwards by a screwdriver tool.
In one embodiment, as shown in fig. 6, the bottom surface of the hanging plate latch block 511 has a stepped portion 512. The step 512 has a plurality of step surfaces, and different step surfaces can be selected to be clamped with the bottom surface of the clamping plate clamping hole 521 according to actual needs, so as to adjust the tightness of the upper housing 13 and the middle housing 12.
In one embodiment, as shown in fig. 1-2, 5 and 7, the upper housing 13 is removably connected to the middle housing 12 by two oppositely disposed second snaps 5. Two second buckles 5 are in the relative both ends of upper portion casing 13 and middle part casing 12, fix upper portion casing 13 and middle part casing 12 from both ends, can satisfy the needs of assembly stability, and convenient to detach is in order to inspect the operating mode of inside printed circuit board 2 and annex again. Because of the device that need dismantle upper portion casing 13 in order to inside checks and maintains, be connected through two second buckles 5 between upper portion casing 13 and the middle part casing 12 and can satisfy the assembly needs, also can not influence the dismantlement speed too much because of second buckle 5.
In one embodiment, as shown in fig. 1-3, the bottom of the lower housing 11 has a mounting seat 111. The mounting seat 111 is adapted to be inserted into a mounting hole of a fixed portion of a vehicle body and then fixed by screw or bolt connection, facilitating mounting of the lower case 11 to the fixed portion of the vehicle body.
In one embodiment, as shown in fig. 2, 9 and 11, the printed circuit board 2 has a controller 21 and a display 22 thereon, and the display 22 is in signal connection with the controller 21.
The circuit board cover 3 has a cover window 31 corresponding to the display screen 22.
A current input plate 26 and a current output plate 27 are mounted on the printed circuit board 2, and the current output plate 27 is connected to the current input plate 26.
After the vehicle-mounted fuse box is mounted on the vehicle body, the battery and the current input board 26 are connected by the power supply line 6. The electric appliance is connected to the current output board 27 through the electric wire 7.
The controller 21 is a chip in the prior art, which can monitor each circuit for faults and transmit fault codes to the display screen 22 for display. The circuit board cover 3 has a cover window 31 thereon, which is positioned above the display screen 22 so as to expose the display screen 22. A transparent glass may be mounted on the cover window 31 as needed.
When a circuit fails, a fault code is displayed on the display screen 22. The user opens the upper housing 13, i.e. can observe the fault code through the cover plate window 31, which is convenient for grasping the fault condition in time for quick maintenance.
In one embodiment, as shown in fig. 9-12, the bottom surface of the printed circuit board 2 has more than one signal output 28.
The vehicle control unit (vehicle computer) is connected with the signal output end 28 through a signal wire 8. The plug 9 of the signal line 8 is plugged directly into the socket of the signal output 28.
The states of the circuits monitored by the controller 21 can be transmitted to the vehicle controller through the signal line 8, so that the vehicle can recognize faults in time and perform corresponding safe operation, the safety of personnel and vehicles is ensured, maintenance personnel can confirm fault points quickly and solve the faults in time.
The printed circuit board 2 has a capacitor 23, a high-side switch 24, a Metal Oxide Semiconductor Field Effect Transistor (MOSFET) 25, etc., to implement the corresponding functions of the circuit. The capacitor 23, the high-side switch 24 and the Metal Oxide Semiconductor Field Effect Transistor (MOSFET) 25 are conventional electrical components and will not be described in detail herein.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (10)
1. An on-vehicle fuse box, characterized by, including fuse box casing and printed circuit board installed in said fuse box casing;
the fuse box comprises a fuse box shell and a fuse box body, wherein the fuse box shell comprises a lower shell, a middle shell and an upper shell, the middle shell is detachably connected with the lower shell through a first buckle, and the upper shell is detachably connected with the middle shell through a second buckle;
the printed circuit board is installed in the middle shell, a circuit board cover plate is further installed in the middle shell, and the circuit board cover plate covers the printed circuit board.
2. The vehicle-mounted fuse box of claim 1, wherein the first buckle comprises a buckle latch disposed on the lower housing and a buckle latch disposed on the middle housing;
the buckle clamping tongue is provided with a clamping tongue clamping groove with a downward opening;
when the middle shell and the lower shell are in a connected state, the clamping block is clamped in the clamping tongue clamping groove.
3. The vehicle fuse box of claim 2, wherein the upper end of the snap-fit latch has a latch guide plate extending obliquely outward and upward.
4. The vehicle fuse block of claim 1, wherein the middle housing is removably connected to the lower housing by a plurality of spaced first snaps.
5. The vehicle-mounted fuse box of claim 1, wherein the second buckle comprises a buckle catch plate disposed on the upper housing and a buckle catch plate disposed on the middle housing;
the buckle clamping plate is provided with a clamping plate clamping hole, and the inner side of the buckle hanging plate is provided with a hanging plate clamping block;
when the upper shell and the middle shell are in a connection state, the hanging plate clamping blocks are clamped in the clamping plate clamping holes.
6. The vehicle-mounted fuse box of claim 5, wherein the bottom surface of the hanging plate fixture block has a stepped portion.
7. The vehicle fuse block of claim 1, wherein the upper housing is removably connected to the middle housing by two oppositely disposed second snaps.
8. The vehicle fuse box of claim 1, wherein the bottom of the lower housing has a mounting seat.
9. The vehicle fuse box of claim 1, wherein the printed circuit board has a controller and a display screen thereon, the display screen being in signal connection with the controller;
and the circuit board cover plate is provided with a cover plate window corresponding to the display screen.
10. The vehicle fuse box of claim 9, wherein the bottom surface of the printed circuit board has more than one signal output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221717433.5U CN217788325U (en) | 2022-07-01 | 2022-07-01 | Vehicle-mounted fuse box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221717433.5U CN217788325U (en) | 2022-07-01 | 2022-07-01 | Vehicle-mounted fuse box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217788325U true CN217788325U (en) | 2022-11-11 |
Family
ID=83938980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221717433.5U Active CN217788325U (en) | 2022-07-01 | 2022-07-01 | Vehicle-mounted fuse box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217788325U (en) |
-
2022
- 2022-07-01 CN CN202221717433.5U patent/CN217788325U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230815 Granted publication date: 20221111 |
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| PP01 | Preservation of patent right |