Detachable electric control box cover fixing structure

Abstract

The invention relates to a detachable electric control box cover fixing structure, and belongs to the technical field of heat pump air conditioners, the detachable electric control box cover fixing structure comprises an electric control box body and an electric control box cover, corners of the electric control box body and the electric control box cover are arc-shaped, when the electric control box body and the electric control box cover are vertically arranged, a plurality of air holes are formed in the electric control box cover, and the air holes are communicated with the air holes. A mounting plate is fixed to the upper circumference of the inner wall of the electric control box body, six buckles are fixed to the electric control box cover, a mounting groove is correspondingly formed in the mounting plate, a limiting groove is formed in the mounting groove, an abutting block and a first spring are slidably connected into the mounting groove, and the buckles slide in the mounting groove and abut against the abutting block to compress the first spring till the buckles are limited by the limiting groove. The mounting plate is internally provided with a cutting block used for releasing buckle limiting, a locking assembly used for temporarily locking the cutting block and the like. The electric control box has the effect that the electric control box cover and the electric control box body can be conveniently disassembled and assembled.

Description

Technical Field

[0001] The present application relates to the technical field of heat pump air conditioners, and in particular to a detachable electric control box cover fixing structure. Background Art

[0002] At present, in the heat pump air conditioning industry, the existing ceiling unit internal machine electric control box cover is directly installed and covered, and then the installation of the electric control box cover is achieved by screwing.

[0003] The cover plate and the electric control box body of the existing air conditioner electric control box are usually fixed by a group of screws, or a group of screws and a group of buckles. During maintenance, the entire electric control box cover must be removed and properly placed. This increases the work steps for the maintenance worker who is suspended in mid-air and reduces the maintenance efficiency. In addition, the electric control box cover is placed in mid-air and may fall at any time due to accidental human contact. This poses a safety hazard and may hit people or cause the electric control box cover to be lost. In addition, it is inconvenient to disassemble and install the damaged electric control box cover when it needs to be replaced. Summary of the invention

[0004] In order to facilitate the disassembly and installation of the electric control box cover and the electric control box body, the present application provides a detachable electric control box cover fixing structure.

[0005] The present application provides a detachable electric control box cover fixing structure adopts the following technical solution: A detachable electric control box cover fixing structure comprises an electric control box body and an electric control box cover. The electric control box body is arranged vertically, and the side of the electric control box body facing the electric control box cover is missing. A mounting plate is fixed around the inner wall of the electric control box body, and a plurality of mounting grooves are provided on the mounting plate. The plurality of mounting grooves are arranged at intervals along the circumference of the mounting plate, and the mounting grooves are arranged in a direction gradually away from the electric control box cover, and the mounting grooves are all arranged horizontally. A limiting groove is downwardly provided at one end of the mounting groove away from the electric control box cover. A plurality of buckles are fixed on the electric control box cover, and the buckles correspond to the positions of the mounting grooves. The buckles are L-shaped. When the electric control box cover and the electric control box body are installed, the buckles slide along the length direction of the mounting groove until the buckles are limited by the limiting groove, and a cutting block for releasing the limit of the buckles is provided in the limiting groove.

[0006] By adopting the above technical solution, the electric control box body is usually fixed vertically on the wall, and the side of the electric control box body facing away from the wall is missing. When installing the electric control box cover, the electric control box cover is also set vertically, and a circumferential L-shaped buckle is fixed on the side facing the electric control box body. The buckle can be overlapped on the installation groove first, and after all the buckles are overlapped, the electric control box cover is pushed forward. At this time, the buckle slides along the length direction of the installation groove until the buckle slides to the position of the limit groove and the limit groove. At this time, the electric control box cover and the electric control box body can be sealed and installed. A cutting block that can release the connection between the electric control box cover and the electric control box body is also provided in the limit groove, so that the electric control box body and the electric control box cover can be conveniently disassembled and assembled.

[0007] Optionally, a first spring is fixed to one end of the mounting groove away from the electric control box cover, and an abutment block is fixed to the end of the first spring close to the electric control box cover. The abutment block slides in the mounting groove along the length of the mounting groove, and when the buckle slides in the mounting groove, it abuts against the abutment block, and the first spring is in a gradually compressed state.

[0008] By adopting the above technical solution, when the buckle slides in the installation groove, the buckle abuts against the abutment block and gradually compresses the first spring until the buckle is limited by the limit groove and the first spring is in the maximum compression state. In this process, the sliding stability of the buckle can be improved, and when the bayonet is released from the limit, the first spring pushes the buckle to slide out.

[0009] Optionally, the limit groove is connected with a slide groove in the horizontal direction, and the top surface of the cut block is set as a bevel surface. Before the electric control box cover is installed, the cut block is in the limit groove. After the buckle and the limit groove are limited, the cut block slides along the length direction of the slide groove, and a locking component for temporarily locking the cut block is provided in the electric control box body.

[0010] By adopting the above technical solution, when the electric control box body and the electric control box cover are installed, the buckle slides into the limit groove to limit the position. At this time, the buckle abuts against the beveled surface of the cut block, and the buckle pushes the cut block to slide along the slide groove. Then the locking assembly locks the cut block, and the beveled surface of the cut block facilitates the release of the limit between the buckle and the limit groove.

[0011] Optionally, the locking assembly includes an insert block and a second spring, a third spring is fixed to the end of the cutting block away from the buckle, the third spring is fixed to the mounting plate, a slot is provided on the side of the cutting block, the second spring is arranged in a direction perpendicular to the slide groove, one end of the second spring is fixed to the mounting plate, and the other end is fixed to the insert block, a side of the insert block facing the cutting block is arranged as an oblique surface, and when the insert block is limited by the slot, the third spring is in a compressed state.

[0012] By adopting the above technical solution, when the cutting block slides along the sliding groove, the cutting block gradually compresses the third spring, and at the same time, the cutting block abuts against the oblique surface of the insert block, and the insert block compresses the second spring until the insert block and the slot on the cutting block are limited, and the insert block limits the cutting block. When the contact insert block and the cutting block are limited, the rebound effect of the third spring can push the cutting block to return to its original position.

[0013] Optionally, a spring rod is fixed on the plug block, a screw is rotatably connected to the fixed seat, the rotation axis direction of the screw is perpendicular to the length direction of the slide slot, the spring rod is threadedly connected to the screw, and a rotating component for driving the screw to rotate is provided in the electric control box body.

[0014] By adopting the above technical solution, when releasing the limit of the insert block and the cutting block, it is only necessary to rotate the screw rod, and the screw rod and the spring rod will move in a threaded manner. When the spring rod moves in a threaded manner with the screw rod, the insert block can be driven away from the cutting block.

[0015] Optionally, a side of the spring rod facing the cut block is configured as a beveled surface.

[0016] By adopting the above technical solution, the beveled surface of the spring rod itself, when the insert block and the cutting block are inserted and connected, the insert block simultaneously abuts against the beveled surface of the spring rod, compressing the spring rod until the spring rod and the insert block are inserted and connected. When the lock of the insert block and the cutting block is released, the spring rod will abut against the insert block, causing it to move away from the cutting block.

[0017] Optionally, the rotating assembly includes a worm wheel and a worm, the worm wheel and the screw are coaxially fixed, the worm rotates relative to the electric control box body, and the rotation axis direction of the worm is parallel to the direction of the slide slot.

[0018] By adopting the above technical solution, the worm is rotated, and the worm is meshed with the worm wheel, which can drive the worm wheel to rotate, and the rotation of the worm wheel can drive the screw to rotate.

[0019] Optionally, the worm on the upper side of the electric control box cover is arranged horizontally through the electric control box body and is meshed with multiple worm wheels on the upper side at the same time, and a button cap is fixed to one end of the worm that passes through the electric control box body.

[0020] By adopting the above technical solution, when removing the electric control box cover, the button caps on the upper and lower sides of the electric control box body are rotated, that is, the worm rotates, and the worm drives the worm wheels on the upper and lower sides to rotate at the same time, and the rotation of the worm wheels drives the screw to rotate, and the rotation of the screw drives the plug-in block to release the limit with the cutting block. At this time, the cutting block is pushed by the rebound action of the third spring and slides into the limit groove. The oblique surface of the cutting block pushes the buckle upward, and the buckle is pushed by the rebound action of the abutment block and the first spring, so that the electric control box cover is easy to remove.

[0021] Optionally, a plurality of ventilation holes are provided on the electric control box cover.

[0022] By adopting the above technical solution, the ventilation holes on the electric control box cover help the circuits in the electric control box to ventilate, thereby increasing the safety of electricity use.

[0023] Optionally, an arc-shaped edging is provided on the upper side of the electric control box cover.

[0024] By adopting the above technical solution, the arc-shaped edging around the electric control box cover can increase safety and reduce injuries to personnel caused by bumps and collisions.

[0025] In summary, the present application includes at least one of the following beneficial technical effects: When the electric control box cover and the electric control box body are installed, a plurality of buckles are first overlapped on the installation groove, and then the electric control box cover is pushed forward, the buckle abuts against the abutment block, and the first spring is compressed until the buckle is limited by the limit groove, so that the electric control box cover and the electric control box body can be quickly installed; When the buckle is limited by the limit groove, the buckle will push the cutting block to slide along the sliding groove until the insert block temporarily locks the cutting block. When the electric control box cover needs to be removed, it is only necessary to turn the button cap, the worm drives the worm gear to rotate, the worm gear drives the screw to rotate, and the screw rotation drives the insert block to release the lock with the cutting block. Under the rebound action of the third spring, the cutting block slides to the limit groove, pushes the buckle upward, and then the electric control box cover is pulled out, so that the electric control box cover and the electric control box body can be quickly removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application; Figure 2 is a schematic cross-sectional structure diagram of an embodiment of the present application; Figure 3 yes Figure 2 A partial enlarged schematic diagram of part A; Figure 4 This is a schematic diagram showing the internal structure of the installation plate.

[0027] In the figure, 1, electric control box body; 2, electric control box cover; 21, air vent; 3, buckle; 4, mounting plate; 41, mounting slot; 411, limit slot; 42, abutment block; 43, first spring; 5, cut block; 51, slot; 52, third spring; 6, locking assembly; 61, plug block; 62, second spring; 7, rotating assembly; 71, worm gear; 72, worm; 721, button cap; 73, spring rod; 74, screw. DETAILED DESCRIPTION

[0028] The following is combined with Figure 1-Figure 4 This application is described in further detail.

[0029] The embodiment of the present application discloses a detachable electric control box cover fixing structure.

[0030] refer to Figure 1 A detachable electric control box cover 2 fixing structure includes an electric control box body 1 and an electric control box cover 2. The electric control box body 1 is vertically arranged, and the side of the electric control box body 1 facing the electric control box cover 2 is missing. A mounting plate 4 is fixed around the inner wall of the electric control box body 1. A plurality of air holes 21 are opened on the electric control box cover 2, and the plurality of air holes 21 are evenly distributed along the area of ​​the electric control box cover 2. The electric control box cover 2 is also vertically arranged, and the electric control box cover 2 faces the side of the electric control box body 1, and an arc-shaped edging is arranged around the circumference, which can not only ensure a better sealing performance when installed with the electric control box body 1, but also reduce collisions with personnel and reduce safety hazards.

[0031] refer to Figure 2 and Figure 3Six mounting grooves 41 are provided on the mounting plate 4, and the six mounting grooves 41 are arranged at intervals along the circumference of the mounting plate 4, that is, two mounting grooves 41 are respectively provided on the upper and lower sides of the electric control box body 1, and one mounting groove 41 is provided on the left and right sides. The mounting grooves 41 are arranged in a direction gradually away from the electric control box cover 2, and the mounting grooves 41 are all arranged horizontally. Six L-shaped buckles 3 are fixed on the electric control box cover 2, and the positions of the buckles 3 and the mounting grooves 41 correspond, and the buckles 3 are also arranged horizontally.

[0032] refer to Figure 2 and Figure 3 A limiting groove 411 is downwardly opened at one end of the mounting groove 41 away from the electric control box cover 2, a first spring 43 is fixed to the end of the mounting groove 41 away from the electric control box cover 2, and an abutment block 42 is fixed to the end of the first spring 43 close to the electric control box cover 2. The abutment block 42 slides in the mounting groove 41 along the length of the mounting groove 41, and bumps are provided on both sides of the abutment block 42 to slide along the mounting groove 41, and the abutment block 42 will not fall into the limiting groove 411. When the buckle 3 slides in the mounting groove 41, it abuts against the abutment block 42 until the buckle 3 is limited by the limiting groove 411, and the first spring 43 is compressed to the maximum state.

[0033] refer to Figure 4 The limiting groove 411 is connected with a slide groove in the horizontal direction, and a cut block 5 is arranged in the limiting groove 411 in a direction perpendicular to the installation groove 41. The top surface of the cut block 5 is arranged as an oblique cut surface. Before the electric control box cover 2 is installed, the cut block 5 is arranged in the limiting groove 411. When the buckle 3 is limited by the limiting groove 411, the buckle 3 abuts against the oblique cut surface of the cut block 5 until the cut block 5 is pushed out along the slide groove direction, and the buckle 3 is limited by the limiting groove 411.

[0034] refer to Figure 4 A locking assembly 6 is provided in the electric control box body 1, and the locking assembly 6 includes an insert block 61 and a second spring 62. Two insert blocks 61 and two second springs 62 are respectively provided. A third spring 52 is fixed to the end of the cutting block 5 away from the buckle 3. The third spring 52 is fixed to the mounting plate 4. Slots 51 are respectively provided on both sides of the cutting block 5. The second spring 62 is arranged in a direction perpendicular to the slide groove, and one end is fixed to the fixing seat, and the other end is fixed to the insert block 61. The cross section of the insert block 61 is arranged in a right triangle, and the inclined surface faces one side of the mounting groove 41. When the cutting block 5 slides along the slide groove, the third spring 52 is gradually compressed until the insert block 61 is limited by the slot 51, and the third spring 52 is in a maximum compression state.

[0035] refer to Figure 4The worm 72 is arranged in a direction parallel to the direction of the slide groove, and passes through the electric control box body 1, and the end through which the worm 72 passes is fixedly provided with a button cap 721, and the worm 72 is meshed with two worm wheels 71 at the same time.

[0036] When the locking cam 72 is in the state of being lifted up, the locking cam 72 will be in the state of being lifted up, and the locking cam 72 will be in the state of being lifted up, so that the locking cam 72 can be easily loosened and the bolt 721 can be easily locked.

[0037] The implementation principle of a detachable electric control box cover 2 fixing structure of the present application embodiment is as follows: when the electric control box cover 2 is installed with the electric control box body 1, the L-shaped buckle 3 on the electric control box cover 2 is first overlapped with the installation groove 41, and then the electric control box cover 2 is pushed forward, and the buckle 3 is limited by the limiting groove 411, so that the electric control box cover 2 and the electric control box body 1 can be quickly installed. When removing the electric control box cover 2, it is only necessary to rotate the button cap 721, the worm gear 72 rotates, the worm gear 72 engages with the worm gear 71, the worm gear 71 rotates, and the screw rod 74 rotates. The spring rod 73 drives the plug 61 away from the cut block 5 under the threaded drive of the screw rod 74, thereby releasing the lock of the cut block 5. The cut block 5 slides into the limiting groove 411 under the rebound action of the third spring 52 until the cut block 5 pushes the buckle 3 upward, and finally the electric control box cover 2 is pulled out, so that the electric control box cover 2 and the electric control box body 1 can be quickly disassembled and assembled.

[0038] The embodiments of this specific implementation method are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, all equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A detachable electric control box cover (2) fixing structure, comprising an electric control box body (1), characterized in that: The electric control box body (1) is vertically arranged, and the side of the electric control box body (1) facing the electric control box cover (2) is missing. A mounting plate (4) is fixed around the inner wall of the electric control box body (1), and a plurality of mounting grooves (41) are provided on the mounting plate (4). The plurality of mounting grooves (41) are arranged at intervals along the circumference of the mounting plate (4), and the mounting grooves (41) are arranged in a direction gradually away from the electric control box cover (2). The mounting grooves (41) are all arranged horizontally, and the mounting grooves (41) are away from the electric control box cover (2). A limiting groove (411) is downwardly provided at one end of the electric control box cover (2), and a plurality of buckles (3) are fixed on the electric control box cover (2), the buckles (3) correspond to the positions of the mounting grooves (41), and the buckles (3) are L-shaped. When the electric control box cover (2) and the electric control box body (1) are installed, the buckles (3) slide along the length direction of the mounting grooves (41) until the buckles (3) and the limiting grooves (411) are limited, and a cut-out block (5) for releasing the limit of the buckles (3) is arranged in the limiting grooves (411).

2. A detachable electric control box cover (2) fixing structure according to claim 1, characterized in that: A first spring (43) is fixed to one end of the mounting groove (41) away from the electric control box cover (2), and an abutment block (42) is fixed to one end of the first spring (43) close to the electric control box cover (2). The abutment block (42) slides in the mounting groove (41) along the length of the mounting groove (41). When the buckle (3) slides in the mounting groove (41), it abuts against the abutment block (42), and the first spring (43) is in a gradually compressed state.

3. The detachable electric control box cover (2) fixing structure according to claim 2 is characterized in that: The limiting groove (411) is connected to a slide groove in the horizontal direction. The top surface of the cut block (5) is arranged to be an oblique cut surface. Before the electric control box cover (2) is installed, the cut block (5) is in the limiting groove (411). After the buckle (3) and the limiting groove (411) are limited, the cut block (5) slides along the length direction of the slide groove. A locking assembly (6) for temporarily locking the cut block (5) is arranged in the electric control box body (1).

4. A detachable electric control box cover (2) fixing structure according to claim 3, characterized in that: The locking assembly (6) comprises an insert block (61) and a second spring (62). A third spring (52) is fixed to one end of the cutting block (5) away from the buckle (3). The third spring (52) is fixed to the mounting plate (4). A slot (51) is provided on the side of the cutting block (5). The second spring (62) is arranged in a direction perpendicular to the slide groove, and one end is fixed to the mounting plate (4), and the other end is fixed to the insert block (61). A side of the insert block (61) facing the cutting block (5) is arranged as an oblique surface. When the insert block (61) and the slot (51) are limited, the third spring (52) is in a compressed state.

5. A detachable electric control box cover (2) fixing structure according to claim 4, characterized in that: A spring rod (73) is inserted into the plug block (61), a screw rod (74) is rotatably connected to the fixed seat, the rotation axis direction of the screw rod (74) is perpendicular to the length direction of the slide slot, the spring rod (73) is threadedly connected to the screw rod (74), and a rotating assembly (7) for driving the screw rod (74) to rotate is arranged in the electric control box body (1).

6. A detachable electric control box cover (2) fixing structure according to claim 5, characterized in that: The side of the spring rod (73) facing the cut block (5) is arranged as a chamfered surface.

7. A detachable electric control box cover (2) fixing structure according to claim 6, characterized in that: The rotating assembly (7) comprises a worm wheel (71) and a worm (72); the worm wheel (71) and the screw (74) are coaxially fixed; the worm (72) rotates relative to the electric control box body (1); and the rotation axis direction of the worm (72) is parallel to the direction of the slide slot.

8. A detachable electric control box cover (2) fixing structure according to claim 7, characterized in that: The worm (72) on the upper side of the electric control box cover (2) is arranged to penetrate the electric control box body (1) horizontally and is meshed with a plurality of worm wheels (71) on the upper side. A button cap (721) is fixed to one end of the worm (72) penetrating the electric control box body (1).

9. The detachable electric control box cover (2) fixing structure according to claim 1, characterized in that: The electric control box cover (2) is provided with a plurality of ventilation holes (21).

10. A detachable electric control box cover (2) fixing structure according to claim 1, characterized in that: The upper side of the electric control box cover (2) is provided with an arc-shaped edging.

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