Controller convenient to disassemble and assemble

Abstract

The utility model discloses a controller convenient to disassemble and assemble, which belongs to the technical field of controllers, and comprises a box body and a cover body which are hinged with each other, two support plates are fixedly arranged on the inner bottom wall of the box body, the upper end surfaces of the two support plates are both fixedly arranged with a cover body, and a PCB (Printed Circuit Board) is fixedly arranged on the lower end surface of the cover body. A window matched with the cover body in size is formed in the cover body, and a display assembly and an operation assembly are arranged on the upper end face of the cover body. According to the utility model, the PCB and the cover body are fixedly arranged, and the cover body and the box body are fixedly arranged through the supporting plates, so that the connecting wires of the display screen, the switch mask key and the display lamp with the PCB can be hidden below the PCB, in the space between the two supporting plates and in the cover body, and when the cover body is opened, the interior of the box body is neat and clean; the visual experience is optimized, and the product grade is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a controller especially a controller convenient to dismount. BACKGROUND

[0002] The gas alarm is gas leakage detection alarm instrument, is used for detecting the leakage of combustible gas and sends out sound and light alarm. Its inside controller has program counter, instruction register, instruction decoder, time sequence generator and operation controller etc. electrical element, it is the " decision mechanism " of issuing command, namely completes the function of coordination and command, usually the front side of controller installs indicating lamp, display screen and operation button etc.

[0003] At present, the display screen, switch face film key and display lamp of the controller are usually installed on the upper cover of the controller, and the PCB board corresponding to the display screen, switch face film key and display lamp is installed on the lower shell. When wiring, the serial ports of the display screen, switch face film key and display lamp located on the upper cover need to be connected with the PCB board located on the lower shell through a wire harness or a wire harness. In this wiring mode, the wires connected between the upper cover and the lower shell are completely exposed after the upper cover is opened, which affects the visual experience of the product and also has the risk of wire connection failure.

[0004] After retrieval, the patent number is CN214846286U, a fan controller convenient to dismount, including bottom plate and panel, the outer wall of the bottom plate is fixedly connected with the side plate, the outer wall of the bottom plate is provided with a mounting hole, the inner wall of the bottom plate is provided with a connecting rod, and the vertical end of the connecting rod is fixedly connected with a connecting block. In the utility model, the side plate is arranged on the bottom plate, the clamping plate is clamped with the side plate, the panel and the bottom plate can be preliminarily fixed, at the same time, the stand is aligned with the round hole on the bottom plate, the rotating disc is stretched, the connecting block is moved, when the connecting block does not hinder the round hole, the stand is inserted, the rotating disc is released, the connecting block is inserted from the through hole on the stand, so that the panel and the bottom plate are fixed, when disassembling, the rotating disc is pulled up, the connecting block is separated from the through hole, the panel can be disassembled, which is convenient for maintenance in the later period, and the use effect of the existing fan controller convenient to dismount is improved.

[0005] The panel and the bottom plate are fixed, the wiring of the display assembly and the operation assembly on the panel needs to be connected with the PCB board in the bottom plate, the wires between the panel and the bottom plate are completely exposed after the panel is opened, which has the risk of wire connection failure and affects the visual experience of the product. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a controller convenient to dismount, which can realize the effective fixation of the display screen, switch face film key and display lamp through the cover body and the PCB board, avoid the problem of exposed wiring between the cover body and the box body, effectively eliminate the risk of wire connection failure, and improve the service life of the product.

[0007] The utility model discloses adopt following technical scheme: A controller convenient to dismount, including mutually hinged box body and cover, the inner bottom wall of box body is fixed with two support plates, the upper end surface of two support plates all with cover body fixed setting, the lower end surface of cover body is fixed with PCB board, the window of cover is set up, and the size is adapted to cover body, and the upper end surface of cover body is provided with display assembly and operating assembly.

[0008] Further, the lower end surface of the box body is provided with an access hole in communication with the space between the two support plates, and the box body is provided with a cover plate through the access hole.

[0009] Further, a plurality of wire grooves are fixedly arranged between the two support plates below the PCB board, a wire groove cover is clamped on each wire groove, and a wire hole is formed in the inner bottom wall of the wire groove for the passage of a wire.

[0010] Further, the front and rear sides of the wire groove are provided with a strip-shaped groove, and the inner side wall of the wire groove cover is fixedly provided with a clamping strip matched with the strip-shaped groove.

[0011] Further, the upper end surface of the wire groove cover is fixedly provided with a pull block, and the side surface of the pull block is hingedly provided with a pull plate.

[0012] Further, the support plate and the wire groove end portion are provided with a through hole at a corresponding position, and two round holes are formed in the box body.

[0013] Further, the upper end surface of the cover body is attached with a transparent film.

[0014] Further, the display assembly comprises a display screen and a display lamp, and the operating assembly is a switch film key.

[0015] Further, the two side surfaces of the cover body are fixedly provided with a lip plate, the outer side surfaces of the two support plates are fixedly provided with a side plate, a first threaded hole is formed in the side plate, a first through hole is formed in the lip plate, the first bolt passes through the first through hole and is screw-connected with the first threaded hole in the side plate below to fix the side plate and the lip plate, and further fix the cover body and the support plate.

[0016] Further, a second through hole is formed in the PCB board, two lining plates are fixedly arranged on the inner side wall of the cover body, a second threaded hole is formed in each lining plate, the second bolt passes through the second through hole in the PCB board and is screw-connected with the second threaded hole in the lining plate to fix the PCB board and the cover body.

[0017] The utility model discloses a through the fixed setting of PCB board and cover body, and makes the cover body fixed setting through the support plate and box body, makes the wiring of display screen, switch mask button and display lamp and PCB board can hide in the space between PCB board below and two support plates and in the cover body, opens the cover body, and the inside neat, clean of box body, optimizes visual experience, improves product grade.

[0018] Two, the utility model discloses through setting up the access hole in the lower end surface of box body, and through the sealing of cover plate, when using, through the opening of cover plate, the wire in the space between PCB board below and two support plates can be seen, and the contact state of wire harness connector is checked. DRAWINGS

[0019] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the overhead structure schematic diagram of the utility model;

[0021] Figure 3 It is the three-dimensional structure schematic diagram of the cover body open state of the utility model;

[0022] Figure 4 It is the three-dimensional structure schematic diagram of the box body of the utility model;

[0023] Figure 5 It is the three-dimensional structure schematic diagram of the cover body, PCB board and box body separation state of the utility model;

[0024] Figure 6 It is the three-dimensional structure schematic diagram of the cover body of the utility model;

[0025] Figure 7 It is the three-dimensional structure schematic diagram of the lip plate of the utility model;

[0026] Figure 8 It is the three-dimensional structure schematic diagram of the PCB board and box body separation state of the utility model;

[0027] Figure 9 It is the three-dimensional structure schematic diagram of the cover plate of the utility model;

[0028] Figure 10 It is the three-dimensional structure schematic diagram of the cover plate and box body separation state of the utility model;

[0029] Figure 11 It is the three-dimensional structure schematic diagram of the wire slot and wire slot cover of the utility model;

[0030] Figure 12 It is the three-dimensional structure schematic diagram of the Figure 11 of the utility model in A place structure amplification schematic diagram.

[0031] In the figure, 1, box body; 2, cover body; 3, support plate; 4, cover body; 5, PCB board; 6, window; 7, display screen; 8, switch film key; 9, display lamp; 10, lip plate; 11, side plate; 12, first threaded hole; 13, first bolt; 14, lining plate; 15, second threaded hole; 16, second bolt; 17, access hole; 18, cover plate; 19, clamping block; 20, fixed block; 21, third bolt; 22, wire slot; 23, wire slot cover; 24, wire hole; 25, strip-shaped slot; 26, pull block; 27, pull plate; 28, through hole; 29, circular hole. DETAILED DESCRIPTION

[0032] The utility model is described in detail below in combination with the drawings and examples:

[0033] The utility model discloses a controller convenient to dismount, including mutually hinged box body 1 and cover body 2, two support plates 3 are fixedly arranged to the inner bottom wall of box body 1, the upper end surface of two support plates 3 all is fixed with cover body 4, the lower end surface of cover body 4 is fixedly arranged with PCB board 5, the window 6 of cover body 4 is opened, and the size is adapted to cover body 4, and the upper end surface of cover body 4 is provided with display assembly and operating assembly, and display assembly includes display screen 7 and display lamp 9, and operating assembly is switch film key 8.

[0034] Through fixedly setting up PCB board 5 with cover body 4, and making cover body 4 be fixed with box body 1 through support plate 3, the wiring of display screen 7, switch film key 8 and display lamp 9 and PCB board 5 can all be hidden in the space between PCB board 5 below and two support plates 3 and in cover body 4, open cover body 2, and the inside of box body 1 is neat, clean, and the visual experience is optimized, and product grade is improved.

[0035] In the embodiment, the two side faces of cover body 4 are fixedly provided with lip plate 10, the outer side face of two support plates 3 is fixedly provided with side plate 11, the first threaded hole 12 is opened on side plate 11, the first through hole 28 is opened on lip plate 10, and the first threaded hole 12 on the lower side plate 11 is screwed with the first through hole 28 through the first bolt 13, so as to realize the fixation of side plate 11 and lip plate 10, and further realize the fixation of cover body 4 and support plate 3.

[0036] In the embodiment, the second through hole 28 is opened on PCB board 5, and the inner side wall of cover body 4 is fixedly provided with two lining plates 14, the second threaded hole 15 is opened on each lining plate 14, and the second threaded hole 15 of lining plate 14 is screwed with the second through hole 28 of PCB board 5 through the second bolt 16, so as to realize the fixation of PCB board 5 and cover body 4.

[0037] In order to facilitate the overhaul of the wiring state, in the embodiment, the lower end face of the box body 1 is provided with an inspection opening 17 in communication with the space between the two support plates 3, and the box body 1 is provided with a cover plate 18 through the inspection opening 17; by opening the cover plate 18, the condition of the wires in the space between the two support plates 3 below the PCB 5 can be seen, and the contact state of the wire harness connector can be checked.

[0038] In the embodiment, one side of the cover plate 18 is fixedly provided with a clamping block 19, and the other side of the cover plate 18 is fixedly provided with a fixing block 20. The cover plate 18 is clamped with the box body 1 through the clamping block 19 and the clamping groove, and the fixing block 20 of the cover plate 18 is screwed with the box body 1 through the third bolt 21.

[0039] In the embodiment, a plurality of wire grooves 22 are fixedly arranged between the two support plates 3 below the PCB 5, and each wire groove 22 is clamped with a wire groove cover 23. The inner bottom wall of the wire groove 22 is provided with a wire hole 24 for the wire to pass through. The wires between the two support plates 3 below the PCB 5 are gathered into the wire groove 22 and buckled with the wire groove cover 23, further increasing the neatness inside the box body 1.

[0040] In the embodiment, the front and rear sides of the wire groove 22 are provided with a strip-shaped groove 25, and the inner side wall of the wire groove cover 23 is fixedly provided with a clamping strip matched with the strip-shaped groove 25. In use, the wire groove cover 23 is clamped with the wire groove 22 through the clamping strip and the strip-shaped groove 25, facilitating the disassembly of the wire groove cover 23 and the wire groove 22.

[0041] In order to facilitate the disassembly of the wire groove cover 23, in the embodiment, the upper end face of the wire groove cover 23 is fixedly provided with a pull block 26, and one side of the pull block 26 is hinged with a pull plate 27. In use, the third bolt 21 is first disassembled to remove the cover plate 18, then the pull plate 27 is rotated, the upper end face of the pull plate 27 is in contact with the side of the pull block 26, the pull plate 27 is limited, the pull block 26 and the pull plate 27 are perpendicular, then the pull plate 27 is pulled upward, the pull plate 27 cannot be rotated due to the contact with the pull block 26, the pull plate 27 drives the pull block 26 and the wire groove cover 23 to move upward, the wire groove cover 23 is separated from the wire groove 22, and the purpose of checking the wires in the wire groove 22 is achieved.

[0042] In the embodiment, the support plate 3 is provided with a through hole 28 corresponding to the end of the wire groove 22, and the box body 1 is provided with two circular holes 29. In use, when the controller needs external wires, the external wires can enter the corresponding wire groove 22 through the circular hole 29 and the through hole 28.

[0043] In the embodiment, the upper end face of the cover body 4 is attached with a layer of transparent film to protect the display screen 7, the switch film key 8 and the display lamp 9.

[0044] The utility model discloses a working principle: the PCB board 5 is fixed with the cover 4 through the second bolt 16 setting, and makes the cover 4 with the support plate 3 through the second bolt 16 fixed setting, realizes the purpose that PCB and cover 4 are fixed with box body 1 setting, and the window 6 is set up on the cover 2 to make the display screen 7, switch mask button 8 and display lamp 9 of setting on the upper end surface of cover 4 expose through the window 6 of cover 2 and be convenient for operation, make the display screen 7, switch mask button 8 and display lamp 9 with the wiring of PCB board 5 can hide in the space between PCB board 5 below and two support plates 3 and in cover 4, open the cover 2, neat, clean, optimize visual experience, improve product grade, when needing maintenance, through the dismounting of cover plate 18 and wire slot cover 23 can penetrate to the wiring state of lead wire, is convenient for maintenance and wiring.

Claims

1. A controller that is easy to assemble and disassemble, characterized by: The invention comprises a box body (1) and a cover body (2) which are hinged to each other, two support plates (3) being fixedly provided on the inner bottom wall of the box body (1), the upper end surfaces of the two support plates (3) being fixedly provided with the cover body (4), a PCB board (5) being fixedly provided on the lower end surface of the cover body (4), a window (6) having a size adapted to that of the cover body (4) being provided on the cover body (2), and a display component and an operating component being provided on the upper end surface of the cover body (4).

2. The controller that is easy to disassemble and assemble according to claim 1, characterized in that: The lower end surface of the box body (1) is provided with an inspection opening (17) communicating with the space between the two support plates (3), and the box body (1) is provided with a cover plate (18) through the inspection opening (17).

3. The controller that is easy to disassemble and assemble according to claim 2, characterized in that: A plurality of wire slots (22) are fixedly arranged between the two support plates (3) below the PCB board (5), each wire slot (22) is clamped with a wire slot cover (23), and the inner bottom wall of the wire slot (22) is provided with a wire hole (24) for the wire to pass through.

4. The controller that is easy to disassemble and assemble according to claim 3, characterized in that: The front and rear sides of the wire trough (22) are both provided with strip grooves (25), and the inner side wall of the wire trough cover (23) is fixed with a clamping strip that matches the strip groove (25).

5. The controller that is easy to disassemble and assemble according to claim 4, characterized in that: A pull block (26) is fixedly provided on the upper end surface of the wire trough cover (23), and a pull plate (27) is hingedly connected to one side of the pull block (26).

6. The controller that is easy to assemble and disassemble according to claim 3, characterized in that: A through hole (28) is provided at a position corresponding to the end of the support plate (3) and the wire trough (22), and two circular holes (29) are provided on the box body (1).

7. The controller that is easy to disassemble and assemble according to claim 1, characterized in that: A layer of transparent mask is attached to the upper end surface of the cover body (4).

8. The controller that is easy to assemble and disassemble according to claim 1, characterized in that: The display component includes a display screen (7) and a display light (9), and the operating component is a mask switch button (8).

9. The controller that is easy to assemble and disassemble according to claim 1, characterized in that: The hood body (4) is fixedly provided with lip plates (10) on both side surfaces, and the outer side surfaces of the two support plates (3) are fixedly provided with side plates (11), the side plates (11) are provided with first threaded holes (12), and the lip plates (10) are provided with first through holes (28). The side plates (11) and the lip plates (10) are fixed by a first bolt (13) passing through the first through hole (28) and being threadedly connected to the first threaded hole (12) on the lower side plate (11), thereby fixing the side plates (11) and the lip plates (10), and thus fixing the hood body (4) and the support plates (3).

10. The controller that is easy to disassemble and assemble according to claim 9, characterized in that: The PCB board (5) is provided with a second through hole (28), and two lining plates (14) are fixedly provided on the inner side wall of the cover body (4). Each lining plate (14) is provided with a second threaded hole (15). A second bolt (16) passes through the second through hole (28) of the PCB board (5) and is threadedly connected to the second threaded hole (15) of the lining plate (14), thereby achieving fixation of the PCB board (5) and the cover body (4).

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