Cast aluminum shell for automobile instrument

Abstract

The utility model relates to the technical field of cast aluminum shells, in particular to a cast aluminum shell for an automobile instrument, which comprises a face frame, a plurality of axial first radiating fins are arranged on the circumferential surface and the rear surface of a first cast aluminum shell, a plurality of first radiating through holes are formed in the surfaces of the first radiating fins, and a plurality of first positioning through holes are formed in the front surface of the face frame. Second positioning through holes are formed in the front inner walls of the multiple cavities, and clamping devices are arranged in the first positioning through holes and the corresponding second positioning through holes. According to the utility model, the first cast aluminum shell and the second cast aluminum shell are made of cast aluminum materials, the impact resistance is stronger, and meanwhile, the plurality of first radiating fins are arranged on the circumferential surface and the rear surface of the first cast aluminum shell, so that the cast aluminum shell is higher in strength and stronger in impact resistance; according to the clamping device, the clamping block can be taken out only by rotating the fixing rod and enabling the clamping block to sequentially penetrate through the second positioning through hole and the first positioning through hole, and the connection mode is very easy to disassemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to cast aluminum shell technical field especially relates to a cast aluminum shell for automobile instrument. BACKGROUND

[0002] The automobile instrument panel is a device for displaying vehicle running data when the vehicle is running, with the continuous development of electronic technology, the automobile instrument panel on the market begins to use a display screen as a display component to display the running data of the vehicle, that is, the automobile instrument panel on the market mainly includes a shell, a display screen and a circuit board, the display screen and the circuit board are installed in the shell, and the display screen is electrically connected with the circuit board.

[0003] For example, the authorized announcement number "CN216942688U" is named automobile instrument panel, by adopting the metal material to make the support frame, and setting up the heat dissipation convex rib on the outer wall of the support frame, in the use process of the automobile instrument panel, the support frame can reliably cool the display screen and the circuit board installed on the support frame, in this way, the overheat of the display screen and the circuit board can be avoided, so that the service life of the display screen and the circuit board can be improved, that is, the service life of the automobile instrument panel can be improved.

[0004] The above and the prior art have the following defects: the support frame of the automobile instrument panel has low strength and poor impact resistance; the face frame and the support frame are connected through elastic buckles and buckles, the connection mode is not easy to disassemble, and the face frame is easily damaged during disassembly. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the defects in the prior art and provides a cast aluminum shell for automobile instrument.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] The utility model designs a kind of cast aluminum shell for automobile instrument, including face frame, the face frame rear surface is equipped with light transmission plate, the face frame rear surface is equipped with the first cast aluminum shell of the display screen circuit board body installed with inner wall, the display screen circuit board body rear surface is equipped with a plurality of terminal, the display screen circuit board body rear is equipped with the second cast aluminum shell with a plurality of installation through holes being set on surface, a plurality of the terminal are all stretched out corresponding installation through hole, the second cast aluminum shell is connected by bolt with first cast aluminum shell screw thread, the first cast aluminum shell circumferential surface and rear surface are equipped with a plurality of surface and set on a plurality of first radiating fin of axial first radiating hole, the second cast aluminum shell front surface is equipped with flanging, the flanging front surface is equipped with a plurality of and first radiating fin one-to-one corresponding installation gap, the first radiating fin is inserted into installation gap, the face frame front surface is equipped with a plurality of first positioning through hole, the first cast aluminum shell circumferential surface is equipped with a plurality of and first positioning through hole one-to-one corresponding fixed block, a plurality of the fixed block are all equipped with cavity inside, a plurality of the cavity front inner wall are all equipped with second positioning through hole, first positioning through hole and corresponding second positioning through hole inside are equipped with clamping device.

[0008] Preferably, the clamping device includes a fixed rod, the rear end of the fixed rod penetrates the first positioning through hole and the second positioning through hole, the rear end of the fixed rod extends into the cavity and is provided with a clamping block, the rear inner wall of the cavity is provided with a pressing spring, the front end of the pressing spring is provided with a pressing block in surface contact with the clamping block.

[0009] Preferably, the first cast aluminum shell circumferential surface is provided with a plurality of Z-shaped support blocks, and the surfaces of the plurality of Z-shaped support blocks are provided with connecting through holes.

[0010] Preferably, the face frame front surface is provided with a plurality of grooves corresponding one-to-one to the first positioning through holes, the first positioning through holes are arranged on the rear inner walls of the grooves, and the front surface of the fixed rod is provided with a handle.

[0011] Preferably, the inner wall of the groove is threadedly connected with a protective cap.

[0012] Preferably, the first cast aluminum shell circumferential surface is provided with a plurality of circumferential second radiating fins, and the surfaces of the plurality of second radiating fins are provided with second radiating holes.

[0013] The utility model provides a cast aluminium shell for automobile instrument has beneficial effect at in: set first cast aluminium shell and second cast aluminium shell are cast aluminium material, and cast aluminium product is higher than aluminium product intensity, and the impact resistance is stronger, simultaneously, the first cast aluminium shell circumference surface and rear surface are equipped with a plurality of first radiating fin, make this cast aluminium shell intensity stronger, and the impact resistance is stronger, first radiating fin is equipped with first radiating through -hole, and a plurality of first radiating through -hole can increase the radiating area of first radiating fin, thereby improve the heat dissipation efficiency, set the clamping device, when dismounting, only need to rotate the fixed rod, then make the clamping block pass through second positioning through -hole and first positioning through -hole in proper order, can take out the clamping block, and this connection mode is very easy to dismount, and will not easily cause the face frame damage in the dismounting process. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of the utility model;

[0015] Figure 2 It is the sectional structure schematic diagram of the utility model;

[0016] Figure 3 It is the second cast aluminium shell main view structure schematic diagram of the utility model;

[0017] Figure 4 It is the first positioning through -hole and second positioning through -hole structure schematic diagram of the utility model;

[0018] Figure 5 It is the A position enlarged view of the utility model.

[0019] In the drawing: face frame 1, light transmission plate 2, first cast aluminium shell 3, display screen circuit board body 4, terminal 5, second cast aluminium shell 6, installation through -hole 7, bolt 8, first radiating fin 9, first radiating through -hole 10, flanging 11, installation gap 12, first positioning through -hole 13, fixed block 14, cavity 15, second positioning through -hole 16, fixed rod 17, clamping block 18, Z-shaped support block 19, connecting through -hole 20, recess 21, handle 22, protective cap 23, second radiating fin 24, second radiating through -hole 25, abutting spring 26, abutting block 27. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments of the utility model.

[0021] REFERENCE Figures 1-5The application discloses a cast aluminum shell for an automobile instrument, which comprises a face frame 1, a light-transmitting plate 2 arranged on the rear surface of the face frame 1, a first cast aluminum shell 3 with a display screen circuit board body 4 arranged on the inner wall of the rear surface of the face frame 1, the first cast aluminum shell 3 being made of cast aluminum material, and the cast aluminum product being higher in strength and stronger in impact resistance than an aluminum product. The rear surface of the display screen circuit board body 4 is provided with a plurality of wire terminals 5, the rear of the display screen circuit board body 4 is provided with a second cast aluminum shell 6 with a plurality of mounting through holes 7 arranged on the surface, the second cast aluminum shell 6 being made of cast aluminum material, and the cast aluminum product being higher in strength and stronger in impact resistance than the aluminum product. The plurality of wire terminals 5 extend out of the corresponding mounting through holes 7, the second cast aluminum shell 6 is threadedly connected with the first cast aluminum shell 3 through bolts 8, the circumferential surface and the rear surface of the first cast aluminum shell 3 are provided with a plurality of axial first radiating fins 9 with a plurality of first radiating through holes 10 arranged on the surface, the first radiating fins 9 are arranged to make the cast aluminum shell higher in strength and stronger in impact resistance, meanwhile, the plurality of first radiating through holes 10 can increase the radiating area of the first radiating fins 9, thereby improving the radiating efficiency. The front surface of the second cast aluminum shell 6 is provided with a flange 11, the front surface of the flange 11 is provided with a plurality of mounting notches 12 corresponding to the first radiating fins 9 one by one, the first radiating fins 9 extend into the mounting notches 12, the front surface of the face frame 1 is provided with a plurality of first positioning through holes 13, the circumferential surface of the first cast aluminum shell 3 is provided with a plurality of fixing blocks 14 corresponding to the first positioning through holes 13 one by one, the plurality of fixing blocks 14 are internally provided with cavities 15, the front inner walls of the plurality of cavities 15 are provided with second positioning through holes 16, and the first positioning through holes 13 and the corresponding second positioning through holes 16 are internally provided with clamping devices.

[0022] The clamping device comprises a fixed rod 17, the rear end of the fixed rod 17 penetrates through the first positioning through hole 13 and the second positioning through hole 16, the rear end of the fixed rod 17 extends into the cavity 15 and is provided with a clamping block 18, the rear inner wall of the cavity 15 is provided with an abutting spring 26, and the front end of the abutting spring 26 is provided with an abutting block 27 in surface contact with the clamping block 18.

[0023] The circumferential surface of the first cast aluminum shell 3 is provided with a plurality of Z-shaped supporting blocks 19, and the surfaces of the plurality of Z-shaped supporting blocks 19 are provided with connecting through holes 20. The connecting through holes 20 arranged through the Z-shaped supporting blocks 19 are convenient for mounting connection with a vehicle body.

[0024] The front surface of the face frame 1 is provided with a plurality of grooves 21 corresponding to the first positioning through holes 13 one by one, the grooves 21 are arranged to play a role of hiding the fixed rod 17. The first positioning through holes 13 are arranged on the rear inner walls of the grooves 21, and the front surface of the fixed rod 17 is provided with a handle 22. The handle 22 is arranged to facilitate the use personnel to hold the fixed rod 17.

[0025] The inner wall of the groove 21 is threadedly connected with a protective cap 23. The protective cap 23 is arranged to protect the fixed rod 17, avoid misoperation of irrelevant personnel, and also play a role of beauty.

[0026] The first cast aluminum shell 3 is provided with a plurality of circumferential second radiating fins 24 on the peripheral surface, and the plurality of second radiating fins 24 are each provided with a second radiating through hole 25.

[0027] Working principle: the clamping device is arranged, the clamping block 18 is sequentially inserted through the first positioning through hole 13 and the second positioning through hole 16, then the clamping block 18 is pushed backward to abut against the block 27, then the fixed rod 17 is rotated, the abutting block 27 is subjected to the thrust of the abutting spring 26, the clamping block 18 is tightly pushed, the clamping is completed, when disassembling, the fixed rod 17 is only rotated, then the clamping block 18 is sequentially inserted through the second positioning through hole 16 and the first positioning through hole 13, the clamping block 18 can be taken out, the connection mode is easily disassembled, and the face frame 1 is not easily damaged in the disassembling process.

[0028] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A cast aluminum case for an automobile instrument including a face frame (1), characterized by, The back surface of the face frame (1) is provided with a light-transmitting plate (2), the back surface of the face frame (1) is provided with a first cast aluminum shell (3) in which a display screen circuit board body (4) is mounted, the back surface of the display screen circuit board body (4) is provided with a plurality of terminal heads (5), the back of the display screen circuit board body (4) is provided with a second cast aluminum shell (6) with a plurality of mounting through holes (7) formed on the surface, the plurality of terminal heads (5) extend out of the corresponding mounting through holes (7), the second cast aluminum shell (6) is threadedly connected with the first cast aluminum shell (3) through bolts (8), the circumferential surface and the back surface of the first cast aluminum shell (3) are provided with a plurality of first radiating fins (9) which are axially arranged and have a plurality of first radiating through holes (10) formed on the surface, the front surface of the second cast aluminum shell (6) is provided with a flange (11), the front surface of the flange (11) is provided with a plurality of mounting notches (12) corresponding to the first radiating fins (9) one by one, the first radiating fins (9) extend into the mounting notches (12), the front surface of the face frame (1) is provided with a plurality of first positioning through holes (13), the circumferential surface of the first cast aluminum shell (3) is provided with a plurality of fixing blocks (14) corresponding to the first positioning through holes (13) one by one, the plurality of fixing blocks (14) are internally provided with cavities (15), the front inner walls of the plurality of cavities (15) are provided with second positioning through holes (16), and the first positioning through holes (13) and the corresponding second positioning through holes (16) are internally provided with clamping devices.

2. The cast aluminum housing for an automobile instrument according to claim 1, wherein The clamping device comprises a fixed rod (17), the rear end of the fixed rod (17) penetrates the first positioning through hole (13) and the second positioning through hole (16), the rear end of the fixed rod (17) extends into the cavity (15) and is provided with a clamping block (18), the rear inner wall of the cavity (15) is provided with an abutting spring (26), and the front end of the abutting spring (26) is provided with an abutting block (27) in surface contact with the clamping block (18).

3. The cast aluminum housing for an automobile instrument as defined in claim 1, wherein The circumferential surface of the first cast aluminum shell (3) is provided with a plurality of Z-shaped supporting blocks (19), and the surfaces of the plurality of Z-shaped supporting blocks (19) are provided with connecting through holes (20).

4. The cast aluminum housing for an automotive instrument as defined in claim 2 wherein, The front surface of the face frame (1) is provided with a plurality of grooves (21) corresponding to the first positioning through holes (13) one by one, the first positioning through holes (13) are arranged on the rear inner walls of the grooves (21), and the front surface of the fixed rod (17) is provided with a handle (22).

5. The cast aluminum housing for an automotive instrument as defined in claim 4 wherein, The inner wall of the groove (21) is threadedly connected with a protective cap (23).

6. The cast aluminum housing for an automotive instrument as defined in claim 1 wherein, The circumferential surface of the first cast aluminum shell (3) is provided with a plurality of circumferential second radiating fins (24), and the surfaces of the plurality of second radiating fins (24) are provided with second radiating through holes (25).

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