CN114220707A

CN114220707A - Sealing structure of alternating current contactor of outdoor unit of air conditioner

Info

Publication number: CN114220707A
Application number: CN202111606076.5A
Authority: CN
Inventors: 骆春勇; 肖海; 钟广帅; 陈志强; 钟书翰; 王小明
Original assignee: ZHONGSHAN CHANGHONG ELECTRIC CO Ltd
Current assignee: ZHONGSHAN CHANGHONG ELECTRIC CO Ltd
Priority date: 2021-12-26
Filing date: 2021-12-26
Publication date: 2022-03-22

Abstract

The invention relates to the field of air conditioners and discloses an alternating current contactor sealing structure of an air conditioner outdoor unit, which comprises a cover and a bottom box, wherein bulges are integrally formed on one sides, close to each other, of the cover and the bottom box, the two bulges are connected together through screws, two connecting blocks are fixedly mounted on the outer wall surface of the bottom box, threaded holes are formed in the connecting blocks, a connecting port is fixedly mounted on the outer wall surface of the bottom box, and the connecting port is communicated with the inside of the bottom box.

Description

Sealing structure of alternating current contactor of outdoor unit of air conditioner

Technical Field

The invention relates to the field of air conditioners, in particular to a sealing structure of an alternating current contactor of an air conditioner outdoor unit.

Background

In an air conditioner product, flammable refrigerants such as R32 and the like are used for refrigeration, the refrigerants are leaked at the outdoor unit side and then stored in an outdoor unit compressor bin, an air conditioner host control electrical component is installed in the area, ignition risks possibly exist in partial positions of an alternating current contactor, if the flammable refrigerants are leaked, the ignition part of the alternating current contactor is exposed in the compressor bin when the concentration reaches a certain degree, the risk of combustion and even explosion can exist, the alternating current contactor needs to be sealed and designed, the ignition part of the alternating current contactor is prevented from being in contact with the flammable refrigerants, and therefore the sealing structure of the alternating current contactor of the outdoor unit of the air conditioner is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a sealing structure of an alternating current contactor of an outdoor unit of an air conditioner, which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides an air condensing units ac contactor seal structure, includes lid and end box, the equal integrated into one piece in one side that lid and end box are close to each other has the arch, and two archs pass through screwed connection and be in the same place, fixed mounting has two connecting blocks on the outer wall of end box, set up threaded hole on the connecting block, fixed mounting has the connector on the outer wall of end box, and the connector keeps the intercommunication with the inside of end box.

Preferably, a first rubber block is fixedly installed inside the connecting port, a wire outlet hole for leading out a lead is formed in the first rubber block, and the alternating current contactor is installed inside the outdoor unit compressor bin through a cover and a bottom box made of a fireproof plastic material. The bottom of the bottom box is fastened by screws, and the alternating current contactor is provided with a wiring harness connected to other electric devices of the air conditioner, the wiring harness is connected out from a wire outlet hole in the middle of the rubber block I, and the wire harness is completely sealed after being compressed by the cover. And finally, inserting the assembled plastic box with the alternating current contactor into the electric appliance mounting plate through the two plastic positioning columns, and fixing the assembled plastic box with the alternating current contactor onto the electric appliance mounting plate through two screw holes at opposite angles of the box.

Preferably, the inside of lid is provided with the movable block, and the movable block keeps laminating with the inner wall of lid.

Preferably, the lateral wall groove has been seted up on the both sides inner wall of lid respectively, fixed mounting has the arch on the position that the movable block corresponds the lateral wall groove, protruding and lateral wall groove looks adaptation, protruding and lateral wall groove activity joint together, through having increased spring and movable block, can firmly fix the ac contactor that lid and end box inside need be installed to it is not hard up to avoid.

Preferably, the wall surface above the protrusion below is provided with a groove, the lower wall surface of the protrusion above is fixedly provided with a sealing block at a position corresponding to the groove, the sealing block is matched with the groove and is clamped with the groove, and the sealing performance between the groove and the sealing block can be effectively improved by increasing the groove and the sealing block.

(III) advantageous effects

Compared with the prior art, the invention provides the sealing structure of the alternating current contactor of the outdoor unit of the air conditioner, which has the following beneficial effects:

1. the sealing structure of the alternating current contactor of the outdoor unit of the air conditioner is characterized in that the alternating current contactor is installed inside the sealing structure through a cover and a bottom box made of fireproof plastic materials. The bottom of the bottom box is fastened by screws, and the alternating current contactor is provided with a wiring harness connected to other electric devices of the air conditioner, the wiring harness is connected out from a wire outlet hole in the middle of the rubber block I, and the wire harness is completely sealed after being compressed by the cover. And finally, the assembled plastic box with the alternating current contactor is inserted into the electric appliance mounting plate through the two plastic positioning columns, and is fixed onto the electric appliance mounting plate through two screw holes at opposite angles of the box.

2. This air condensing units ac contactor seal structure, sealed piece and recess joint are in the same place, through having increased recess and sealed piece, can the effectual leakproofness that increases between the two.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention

In the figure: 1. a cover; 2. a bottom case; 3. connecting blocks; 4. a protrusion; 5. a connecting port; 6. a first rubber block; 7. a wire outlet hole; 8. a sealing block; 9. a movable block; 10. a sidewall groove; 11. a protrusion; 12. and (4) a groove.

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. 1-2, an air conditioner outdoor unit ac contactor sealing structure includes a cover 1 and a bottom case 2, wherein a protrusion 4 is integrally formed on one side of the cover 1 close to the bottom case 2, the two protrusions 4 are connected together by a screw, two connecting blocks 3 are fixedly mounted on an outer wall surface of the bottom case 2, a threaded hole is formed in the connecting block 3, a connecting port 5 is fixedly mounted on an outer wall surface of the bottom case 2, and the connecting port 5 is communicated with the inside of the bottom case 2.

Furthermore, a rubber block I6 is fixedly installed inside the connecting port 5, a wire outlet 7 for leading out is formed in the rubber block I6, and an alternating current contactor is installed inside the outer machine compressor bin through a cover 1 and a bottom box 2 made of a plastic fireproof material. The bottom of the bottom box 2 is fastened by screws, and the alternating current contactor is provided with a wiring harness connected to other electric devices of the air conditioner, and the wiring harness is connected out of a wire outlet hole 7 in the middle of the rubber block I6 and is completely sealed after being compressed by the cover 1. And finally, inserting the assembled plastic box with the alternating current contactor into the electric appliance mounting plate through the two plastic positioning columns, and fixing the assembled plastic box with the alternating current contactor onto the electric appliance mounting plate through two screw holes at opposite angles of the box.

Further, the inside of lid 1 is provided with movable block 9, and movable block 9 keeps laminating with the inner wall of lid 1.

Furthermore, side wall grooves 10 are respectively formed in the inner walls of the two sides of the cover 1, protrusions 11 are fixedly mounted on the positions, corresponding to the side wall grooves 10, of the movable blocks 9, the protrusions 11 are matched with the side wall grooves 10, and the protrusions 11 are movably clamped with the side wall grooves 10.

Further, the wall is seted up flutedly 12 above protruding 4 below, and fixed mounting has sealed piece 8 on the protruding 4 lower walls in top corresponds the position of recess 12, and sealed piece 8 and recess 12 looks adaptation, sealed piece 8 and recess 12 joint are in the same place, through having increased recess 12 and sealed piece 8, can effectually increase the leakproofness between the two.

The working principle is as follows: on the side of the outdoor compressor cabin, an alternating current contactor is installed inside through a cover 1 and a bottom box 2 made of a plastic fireproof material. The bottom of the bottom box 2 is fastened by screws, and the alternating current contactor is provided with a wiring harness connected to other electric devices of the air conditioner, and the wiring harness is connected out of a wire outlet hole 7 in the middle of the rubber block I6 and is completely sealed after being compressed by the cover 1. And finally, inserting the assembled plastic box with the alternating current contactor into the electric appliance mounting plate through the two plastic positioning columns, and fixing the assembled plastic box with the alternating current contactor onto the electric appliance mounting plate through two screw holes at opposite angles of the box.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an air condensing units ac contactor seal structure, includes lid (1) and end box (2), its characterized in that: the utility model discloses a box, including lid (1) and end box (2), the equal integrated into one piece in one side that is close to each other of lid (1) and end box (2) has arch (4), and two arch (4) are in the same place through screwed connection, fixed mounting has two connecting block (3) on the outer wall of end box (2), set up threaded hole on connecting block (3), fixed mounting has connector (5) on the outer wall of end box (2), and connector (5) and the inside of end box (2) keep the intercommunication.

2. The sealing structure of ac contactor of outdoor unit of air conditioner of claim 1, wherein: the inner part of the connecting port (5) is fixedly provided with a rubber block I (6), and the rubber block I (6) is provided with a wire outlet hole (7) for leading out.

3. The sealing structure of ac contactor of outdoor unit of air conditioner of claim 1, wherein: the inside of lid (1) is provided with movable block (9), and movable block (9) and the inner wall of lid (1) keep laminating.

4. The sealing structure of ac contactor of outdoor unit of air conditioner as claimed in claim 3, wherein: side wall groove (10) have been seted up on the both sides inner wall of lid (1) respectively, fixed mounting has arch (11) on the position that movable block (9) correspond side wall groove (10), protruding (11) and side wall groove (10) looks adaptation, protruding (11) and side wall groove (10) activity joint are in the same place.

5. The sealing structure of ac contactor of outdoor unit of air conditioner of claim 1, wherein: a groove (12) is formed in the upper wall surface of the protrusion (4) on the lower portion, a sealing block (8) is fixedly mounted on the position, corresponding to the groove (12), of the lower wall surface of the protrusion (4) on the upper portion, the sealing block (8) is matched with the groove (12), and the sealing block (8) is connected with the groove (12) in a clamping mode.