CN216080103U

CN216080103U - Electric control box structure for air conditioner external unit

Info

Publication number: CN216080103U
Application number: CN202122608259.2U
Authority: CN
Inventors: 梁伟; 李佩洋; 赖云飞
Original assignee: Guangxi Yingtian Chuangwang Intelligent Technology Co ltd
Current assignee: Guangxi Yingtian Chuangwang Intelligent Technology Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-03-18
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses an electric control box structure for an air conditioner external unit, which comprises a shell and a circuit board fixing mechanism, wherein the shell is provided with a circuit board fixing mechanism; a housing: the front side opening of the shell is hinged with a box cover through a hinge, mounting cylinders are arranged in openings symmetrically arranged at four corners of the inner wall of the rear side of the shell, a pressing frame is arranged in the shell, a pressing cover is buckled on the front side of the pressing frame, a display screen bayonet is arranged at the upper end of the front side of the pressing cover, a keyboard bayonet is arranged at the lower end of the front side of the pressing cover, limiting bolts are in threaded connection in screw holes arranged in the middle of the four sides of the shell, the four limiting bolts are in contact with the front side of the pressing cover, and four flexible gaskets are symmetrically arranged in the middle of the inner wall of the rear side of the shell; the circuit board fixing mechanism comprises: the inner wall is arranged on the rear side of the shell; this outer machine of air conditioner is with automatically controlled box structure can carry out dual fixed to the circuit board, and overall structure stability is better, possesses higher waterproof sealing performance simultaneously, and factor of safety is high.

Description

Electric control box structure for air conditioner external unit

Technical Field

The utility model relates to the technical field of air conditioners, in particular to an electric control box structure for an air conditioner external machine.

Background

The air conditioner is a household appliance which is very common in our lives, can bring cool feeling to the silks of our in hot summer and can also warm our in cold winter. The outdoor unit of the air conditioner is an essential part of the air conditioner.

When the air conditioner outdoor unit works, a corresponding electric control box is required to be equipped to complete refrigeration or heating work, and the electric control box mainly provides a safe working place for a circuit board of the air conditioner and a controller thereof, so that normal work of electric elements is guaranteed.

The existing electric control box structure for the air conditioner external machine is simple in structure, poor in overall structure stability, incapable of ensuring stability of a circuit board in practical use, poor in waterproof performance, and prone to rainwater infiltration in rain weather, so that the circuit board is short-circuited.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the existing defects and provides the electric control box structure for the air conditioner external unit, which can be used for doubly fixing a circuit board, has better stability of the whole structure, higher waterproof sealing performance and high safety factor, and can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: an electric control box structure for an air conditioner external unit comprises a shell and a circuit board fixing mechanism;

a housing: the front side opening of the shell is hinged with a box cover through a hinge, mounting cylinders are arranged in openings symmetrically arranged at four corners of the inner wall of the rear side of the shell, a pressing frame is arranged in the shell, a pressing cover is buckled on the front side of the pressing frame, a display screen bayonet is arranged at the upper end of the front side of the pressing cover, a keyboard bayonet is arranged at the lower end of the front side of the pressing cover, limiting bolts are in threaded connection in screw holes arranged in the middle of the four sides of the shell, the four limiting bolts are in contact with the front side of the pressing cover, and four flexible gaskets are symmetrically arranged in the middle of the inner wall of the rear side of the shell;

the circuit board fixing mechanism comprises: set up in the rear side inner wall of shell, can carry out dual fixed to the circuit board, overall structure stability is better, possesses higher waterproof sealing performance simultaneously, and factor of safety is high.

Further, circuit board fixed establishment includes layer board, splint and first spring, the layer board sets up in the rear side inner wall lower extreme of shell, and splint rotate through round pin axle bilateral symmetry and connect in the rear side inner wall upper end of shell, and the upper surface of splint all is equipped with first spring, and the upper end and the outer cambered surface fixed connection of adjacent installation section of thick bamboo of first spring can accomplish the fixed work to the circuit board fast.

Furthermore, the middle of the rear side face of the pressing cover is provided with a sleeve, the inner portion of the sleeve is connected with a push rod in a sliding mode, a second spring is arranged between the inner wall of the front side of the sleeve and the front side face of the push rod, and an external circuit board can be further clamped and fixed so as to avoid position deviation of the external circuit board.

Further, the left side surface and the right side surface of the shell are provided with radiating holes which are uniformly distributed, and the radiating holes are obliquely arranged from top to bottom, so that heat generated inside the shell can be radiated to the external environment, and rainwater is prevented from entering the shell to cause short circuit of the circuit board.

Furthermore, a bucket-shaped sealing ring is arranged in the wiring pipe arranged at the rear end of the bottom surface of the shell, so that the sealing performance of the wiring pipe can be guaranteed.

Furthermore, the sealing rings are arranged inside the mounting cylinder, so that the sealing performance of the mounting cylinder can be ensured.

Furthermore, a glass window is arranged in an opening in the upper end of the front side face of the box cover, the glass window corresponds to a bayonet position of the display screen, and therefore a person can conveniently observe data information displayed by the display screen.

Compared with the prior art, the utility model has the beneficial effects that: this outer machine of air conditioner is with automatically controlled box structure has following benefit:

1. use outside bolt earlier to pass the installation section of thick bamboo and with external mounting position threaded connection, the realization is fixed to the shell, adopt hidden connection method can avoid outside bolt to rust because of rainwater corrodes and influence the connection quality, and outside bolt can with sealing ring in close contact with when the installation, in order to avoid outside rainwater to get into the inside of shell, personnel are manual afterwards to having moved splint up, and place outside circuit board in the top of layer board, treat that personnel loosen splint after, the effect splint that receives first spring can reset downwards and fix outside circuit board fast.

2. Then, the pressing cover is buckled on the pressing frame by a person, the display screen and the keyboard which are connected with an external circuit board through a lead are respectively clamped into the display screen bayonet and the keyboard bayonet, then the pressing cover is limited and locked through a limiting bolt, so that the installation work of the electronic control box can be realized, at the moment, the ejector rod can be ejected backwards from the inside of the sleeve under the action of a second spring, the external circuit board can be clamped and fixed again through the matching of a flexible gasket, so that the position deviation of the external circuit board is avoided, the heat generated inside the shell can be dissipated to the external environment through the heat dissipation holes, the short circuit of the circuit board caused by the fact that rainwater enters the inside of the shell through the heat dissipation holes can be avoided under the influence of the shapes of the heat dissipation holes, the sealing performance of the wiring pipe can be ensured by the bucket-shaped sealing ring, and the data information displayed by the display screen can be directly observed by a person through the glass window when the box cover is not opened, is convenient for personnel to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the inner cross-section of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

FIG. 4 is a schematic diagram of the right side view in plan view of the inner cross-section of the present invention;

FIG. 5 is an enlarged view of the structure of the present invention at B;

fig. 6 is a schematic view of the right-side plane inner section structure of the mounting cylinder of the present invention.

In the figure: the device comprises a shell 1, a box cover 2, an installation barrel 3, a circuit board fixing mechanism 4, a supporting plate 41, a clamping plate 42, a first spring 43, a pressing frame 5, a pressing cover 6, a display screen bayonet 61, a keyboard bayonet 62, a limiting bolt 7, a flexible gasket 8, a sleeve 9, a push rod 10, a second spring 11, a heat dissipation hole 12, a bucket-shaped sealing ring 13, a sealing ring 14 and a glass window 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present embodiment provides a technical solution: an electric control box structure for an air conditioner external machine comprises a shell 1 and a circuit board fixing mechanism 4;

the shell 1: the front side opening of the box cover is hinged with the box cover 2 through a hinge, the four corners of the inner wall of the rear side of the shell 1 are symmetrically provided with the installation cylinders 3 in the openings, the inside of the shell 1 is provided with the press frame 5, the front side of the press frame 5 is buckled with the press cover 6, the upper end of the front side of the press cover 6 is provided with the display screen bayonet 61, the lower end of the front side of the press cover 6 is provided with the keyboard bayonet 62, the screw holes arranged in the middle parts of the four sides of the shell 1 are all in threaded connection with the limit bolts 7, the four limit bolts 7 are all in contact with the front side of the press cover 6, the middle part of the inner wall of the rear side of the shell 1 is symmetrically provided with four flexible gaskets 8, the external bolts firstly penetrate through the installation cylinders 3 and are in threaded connection with the external installation part, the fixation of the shell 1 is realized, the hidden connection method can avoid the external bolts from being rusted due to the erosion of rainwater to influence the connection quality, after the external circuit board is fixed, a person buckles the press cover 6 on the press frame 5, a display screen and a keyboard which are connected with an external circuit board through wires are respectively clamped into the display screen bayonet 61 and the keyboard bayonet 62, and then the pressing cover 6 is limited and locked through the limiting bolt 7, so that the installation work of the electronic control box can be realized;

circuit board fixing mechanism 4: set up in the rear side inner wall of shell 1, circuit board fixed establishment 4 includes layer board 41, splint 42 and first spring 43, layer board 41 sets up in the rear side inner wall lower extreme of shell 1, splint 42 rotates through round pin axle bilateral symmetry and connects in the rear side inner wall upper end of shell 1, splint 42's upper surface all is equipped with first spring 43, the upper end and the 3 extrados fixed connection of adjacent installation section of thick bamboo of first spring 43, personnel are manual with splint 42 to removing, and place external circuit board in the top of layer board 41, treat that personnel loosen splint 42 back, the effect splint 42 that receives first spring 43 can reset downwards and fix external circuit board fast.

Wherein: the rear side face middle part of the pressure cover 6 is provided with a sleeve 9, the inner part of the sleeve 9 is connected with a push rod 10 in a sliding mode, a second spring 11 is arranged between the front side inner wall of the sleeve 9 and the front side face of the push rod 10, the push rod 10 is pushed out backwards from the inner part of the sleeve 9 under the action of the second spring 11, and the external circuit board can be clamped and fixed again through the matching of the flexible gasket 8 so as to avoid the position deviation of the external circuit board.

Wherein: the side all is equipped with evenly distributed's louvre 12 about shell 1, and the equal top-down slope of louvre 12 sets up, and the heat of the inside production of shell 1 then can be through louvre 12 give off to the external environment in, receives the shape influence of louvre 12 then can avoid the rainwater to get into the inside of shell 1 through louvre 12 and lead to the circuit board short circuit.

Wherein: a bucket-shaped sealing ring 13 is arranged in a wiring pipe arranged at the rear end of the bottom surface of the shell 1, and the bucket-shaped sealing ring 13 can ensure the sealing performance of the wiring pipe.

Wherein: the inside of the installation cylinder 3 is provided with a sealing ring 14, and the external bolt can be tightly contacted with the sealing ring 14 when being installed, so that external rainwater is prevented from entering the inside of the shell 1.

Wherein: be equipped with glass window 15 in the opening of lid 2 front side upper end, glass window 15 corresponds with display screen bayonet 61 position, and glass window 15 then can make personnel can the direct observation display screen data information that shows when not opening lid 2, and the personnel of being convenient for use.

The working principle of the electric control box structure for the air conditioner external unit provided by the utility model is as follows: the external bolt penetrates through the mounting cylinder 3 and is in threaded connection with an external mounting part to fix the shell 1, the hidden connection method can be adopted to prevent the external bolt from rusting due to rainwater erosion and affecting the connection quality, the external bolt can be in close contact with the sealing ring 14 when being mounted so as to prevent external rainwater from entering the interior of the shell 1, then a worker manually moves the clamping plate 42 upwards and places an external circuit board above the supporting plate 41, after the worker loosens the clamping plate 42, the clamping plate 42 can reset downwards under the action of the first spring 43 to fix the external circuit board quickly, then the worker buckles the pressure cover 6 on the pressure frame 5, and a display screen and a keyboard which are connected with the external circuit board through wires are respectively clamped into the display screen bayonet 61 and the keyboard bayonet 62, and then the pressure cover 6 is limited and locked through the limiting bolt 7 to realize the mounting work of the electronic control box, ejector pin 10 receives the effect of second spring 11 to be ejecting backward from the inside of sleeve 9 this moment, cooperation through flexible gasket 8 can press from both sides tight fixedly to external circuit board once more, in order to avoid external circuit board to take place the offset, the heat of the inside production of shell 1 then can distribute to the external environment through louvre 12, the inside that receives louvre 12 influences then can avoid the rainwater to pass through louvre 12 and get into shell 1 leads to the circuit board short circuit, the leakproofness of spool department can be guaranteed to fill shape sealing washer 13, glass window 15 then can make personnel can the direct observation to the data information that the display screen shows when not opening lid 2, the personnel of being convenient for use.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an outer machine of air conditioner is with automatically controlled box structure which characterized in that: comprises a shell (1) and a circuit board fixing mechanism (4);

housing (1): the front side opening of the shell is hinged with a box cover (2) through a hinge, mounting cylinders (3) are arranged in openings symmetrically arranged at four corners of the inner wall of the rear side of the shell (1), a pressing frame (5) is arranged inside the shell (1), a pressing cover (6) is buckled at the front side of the pressing frame (5), a display screen bayonet (61) is arranged at the upper end of the front side of the pressing cover (6), a keyboard bayonet (62) is arranged at the lower end of the front side of the pressing cover (6), limiting bolts (7) are in threaded connection in screw holes arranged in the middle of the four sides of the shell (1), the four limiting bolts (7) are in contact with the front side of the pressing cover (6), and four flexible gaskets (8) are symmetrically arranged in the middle of the inner wall of the rear side of the shell (1);

circuit board fixing mechanism (4): is arranged on the inner wall of the rear side of the shell (1).

2. The structure of an electric control box for an air conditioner external unit according to claim 1, wherein: circuit board fixed establishment (4) are including layer board (41), splint (42) and first spring (43), layer board (41) set up in the rear side inner wall lower extreme of shell (1), and splint (42) rotate through round pin axle bilateral symmetry and connect in the rear side inner wall upper end of shell (1), and the upper surface of splint (42) all is equipped with first spring (43), the upper end and the outer cambered surface fixed connection of adjacent installation section of thick bamboo (3) of first spring (43).

3. The structure of an electric control box for an air conditioner external unit according to claim 1, wherein: the middle of the rear side face of the pressing cover (6) is provided with a sleeve (9), the interior of the sleeve (9) is connected with a push rod (10) in a sliding mode, and a second spring (11) is arranged between the inner wall of the front side of the sleeve (9) and the front side face of the push rod (10).

4. The structure of an electric control box for an air conditioner external unit according to claim 1, wherein: the left side surface and the right side surface of the shell (1) are respectively provided with radiating holes (12) which are uniformly distributed, and the radiating holes (12) are obliquely arranged from top to bottom.

5. The structure of an electric control box for an air conditioner external unit according to claim 1, wherein: and a bucket-shaped sealing ring (13) is arranged in a routing pipe arranged at the rear end of the bottom surface of the shell (1).

6. The structure of an electric control box for an air conditioner external unit according to claim 1, wherein: and sealing rings (14) are arranged in the mounting cylinder (3).

7. The structure of an electric control box for an air conditioner external unit according to claim 1, wherein: a glass window (15) is arranged in an opening in the upper end of the front side face of the box cover (2), and the glass window (15) corresponds to the display screen bayonet (61) in position.