CN218154751U

CN218154751U - Air return opening structure of central air conditioner

Info

Publication number: CN218154751U
Application number: CN202222056992.2U
Authority: CN
Inventors: 李栋; 李正林; 彭荃瑞; 蒋思敏
Original assignee: Changsha Pengke Electrical Equipment Co ltd
Current assignee: Changsha Pengke Electrical Equipment Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-12-27
Anticipated expiration: 2032-08-05

Abstract

The utility model belongs to the technical field of the air conditioner, specifically disclose a central air conditioning's return air inlet structure, including the return air case, the preceding terminal surface movable mounting of return air case has the shutter box, the equal fixedly connected with external ear in both sides of shutter box, the rear end face fixedly connected with gag lever post of external ear, the surface of gag lever post cup joints with the internal surface slip of set casing, the both sides of return air case all are provided with the locking mechanism who is used for fixed shutter box, the jack has been seted up to the inner wall bottom of set casing, the top fixedly connected with riser of shutter box, the inboard fixedly connected with fixed axle of riser. This central air conditioning's return air inlet structure, the air current that central air conditioning produced can outwards spout through the shutter frame through the return air case when using, when the dust of clearance return air case and shutter frame inner wall, can untie the restriction to the shutter frame by locking mechanism cooperation compression piece to reach the effect of nimble dismouting shutter frame.

Description

Air return opening structure of central air conditioner

Technical Field

The application relates to the technical field of air conditioners, in particular to a return air inlet structure of a central air conditioner.

Background

The central air conditioner is a general name of centralized and semi-centralized air conditioners, a system of the central air conditioner comprises a water chilling unit, a chilled water circulation system and a cooling water system, the air circulation is more reasonable, the indoor temperature is more uniform, the comfort level is high, the use is convenient, the power consumption is low, the use cost is low, and the service life is long.

The return air shutter frame of present central air conditioning changes the wind direction of vent department through the guide plate when using to the shutter frame is the integration basically and installs on central air conditioning, is difficult to with its convenient dismouting, and the in-process of using for a long time can make return air case inner wall accumulate certain dust, and the environment-friendly that its use can be influenced in untimely clearance.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to solve the problems of the prior art and to provide a return air inlet structure of a central air conditioner to solve the problems of the prior art.

In order to achieve the purpose, the utility model provides a central air conditioning's return air inlet structure, including the return air case, the preceding terminal surface movable mounting of return air case has the shutter frame, the equal fixedly connected with auricle in both sides of shutter frame, the rear end face fixedly connected with gag lever post of auricle, the surface of gag lever post and the internal surface of set casing slide and cup joint, the both sides of return air case all are provided with the locking mechanism who is used for fixed shutter frame, the jack has been seted up to the inner wall bottom of set casing, the top fixedly connected with riser of shutter frame, the inboard fixedly connected with fixed axle of riser, the surface swing joint of fixed axle has the balance, the bottom fixedly connected with sliding tray of balance, the top of return air case is provided with the compression piece, the inboard of shutter frame is provided with the purification piece.

Preferably, the locking mechanism comprises fixed shells fixedly installed on two sides of the air return box, the inner wall of each fixed shell is fixedly connected with a rubber ring, the inner surface of each rubber ring is movably sleeved with the outer surface of the limiting rod, and the locking mechanism is used for enabling the louver frame to be in a relatively stable state.

Preferably, the top of the fixing shell is in threaded sleeve connection with a fixing handle, the bottom of the fixing handle is fixedly connected with an inner arc clamping plate, and the bottom of the inner arc clamping plate is fixedly connected with a lower inserting plate.

Preferably, the outer surface of the retention handle is movably sleeved with a first spring, and the top and the bottom of the first spring are respectively and fixedly connected with the top of the inner wall of the fixed shell and the top of the inner arc clamping plate

Preferably, the compression piece includes the containing cylinder of fixed connection at the mount inner wall, the telescopic link has been cup jointed in the internal surface slip of containing cylinder, the surface activity cover of telescopic link is equipped with the second spring, the one end of second spring and the fixed surface of containing cylinder are connected, and the compression piece passes through the stability that the shutter box was strengthened to the sliding tray under the special circumstances.

Preferably, purify the piece including setting up the filter screen in the shutter frame is inside, the inside of shutter frame is provided with the photocatalyst net, purifies the mechanism and can play the effect of filtration purification air current.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. this central air conditioning's return air inlet structure, the air current that central air conditioning produced can outwards spout through the shutter frame through the return air case when using, when the dust of clearance return air case and shutter frame inner wall, can untie the restriction to the shutter frame by locking mechanism cooperation compression piece to reach the effect of nimble dismouting shutter frame.

2. This central air conditioning's return air inlet structure, the air current that central air conditioning produced when the shutter frame is inside, but the filter screen filterable the solid particle impurity of the majority, and the photocatalyst net then can play the effect of purifying, disinfecting and increase negative oxygen ion concentration to the air current, reaches the effect of air-purifying stream.

Drawings

FIG. 1 is a schematic view of the overall structure of the present application;

FIG. 2 is a schematic view of the internal structure of the stationary housing of the present application;

FIG. 3 is a schematic view of a rubber ring structure according to the present application;

FIG. 4 is a schematic view of the surface structure of the fastening frame of the present application;

FIG. 5 is a schematic view of the internal structure of the louver frame of the present application.

Wherein: 1. an air return box; 2. a louver frame; 3. an outer ear; 4. a limiting rod; 5. a stationary housing; 6. a rubber ring; 7. a retention handle; 8. a first spring; 9. an inner arc clamping plate; 10. a lower plug board; 11. a jack; 12. a fixed mount; 13. a storage cylinder; 14. a telescopic rod; 15. a second spring; 16. a vertical plate; 17. a fixed shaft; 18. a swinging plate; 19. a slide plate; 20. a filter screen; 21. a photocatalyst net.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

Please refer to fig. 1-5, a return air inlet structure of a central air conditioner, including a return air box 1, a front end surface of the return air box 1 is movably installed with a louver frame 2, two sides of the louver frame 2 are fixedly connected with external lugs 3, a rear end surface of the external lugs 3 is fixedly connected with a limiting rod 4, an outer surface of the limiting rod 4 is slidably sleeved with an inner surface of a fixed shell 5, two sides of the return air box 1 are respectively provided with a locking mechanism for fixing the louver frame 2, a jack 11 is arranged at the bottom of an inner wall of the fixed shell 5, a top of the louver frame 2 is fixedly connected with a vertical plate 16, an inner side of the vertical plate 16 is fixedly connected with a fixed shaft 17, an outer surface of the fixed shaft 17 is movably connected with a swing plate 18, a bottom of the swing plate 18 is fixedly connected with a sliding disc 19, a top of the return air box 1 is provided with a compression member, and an inner side of the louver frame 2 is provided with a purification member.

Through above-mentioned technical scheme, the device air current that central air conditioning produced when using can be through the outside blowout of shutter frame 2 of return air case 1, when the dust of clearance return air case 1 and shutter frame 2 inner wall, can untie the restriction to shutter frame 2 by locking mechanism cooperation compression piece, reaches the effect of nimble dismouting shutter frame 2.

Specifically, locking mechanism includes the set casing 5 of fixed mounting in return air case 1 both sides, and the inner wall fixedly connected with rubber ring 6 of set casing 5, the internal surface of rubber ring 6 cup joints with the surface activity of gag lever post 4.

Through above-mentioned technical scheme, when gag lever post 4 passed fixed shell 5 and was fixed by locking mechanism, rubber ring 6 can promote the stability of gag lever post 4.

Specifically, the top of the fixed shell 5 is in threaded sleeve connection with a fixing handle 7, the bottom of the fixing handle 7 is fixedly connected with an inner arc clamping plate 9, and the bottom of the inner arc clamping plate 9 is fixedly connected with a lower inserting plate 10.

Through the technical scheme, the inner arc clamping plate 9 is tightly clamped at the top of the limiting rod 4, and the lower inserting plate 10 is inserted into the inserting hole 11, so that the limiting rod 4 can be relatively fixed.

Specifically, the outer surface of the fixing handle 7 is movably sleeved with a first spring 8, and the top and the bottom of the first spring 8 are respectively and fixedly connected with the top of the inner wall of the fixed shell 5 and the top of the inner arc clamping plate 9.

Through the technical scheme, under the reset action of the first spring 8, the inner arc clamping plate 9 can clamp the limiting rod 7 on the top of the limiting rod 4 by means of the fixing rod.

Specifically, the compression part comprises a containing barrel 13 fixedly connected to the inner wall of the fixing frame 12, a telescopic rod 14 is sleeved on the inner surface of the containing barrel 13 in a sliding mode, a second spring 15 is movably sleeved on the outer surface of the telescopic rod 14, and one end of the second spring 15 is fixedly connected with the outer surface of the containing barrel 13.

Through the technical scheme, when the air current flowing through the louver frame 2 is too large and possibly difficult to stabilize the limiting rod 4, the sliding disc 19 can be stably supported on the inner wall of the fixing frame 12 under the action of the compression piece, and the installation stability of the louver frame 2 is improved.

Specifically, the purification member includes a filter screen 20 disposed inside the louver frame 2, and a photocatalyst net 21 disposed inside the louver frame 2.

Through the above technical scheme, the filter screen 20 can filter most solid particle impurities, and the photocatalyst screen 21 can play the roles of purifying, sterilizing and increasing the concentration of negative oxygen ions for the air flow.

The working principle is as follows: when the device is used, the louver frame 2 is arranged at the front end of the air return box 1 in a sliding manner, the air flow generated by the central air conditioner can be sprayed out from the air return port of the louver frame 2 through the air return box 1, meanwhile, the air direction of the air flow can be changed through the guide plate on the inner side of the louver frame 2, when the louver frame 2 is arranged, two groups of fixing handles 7 are firstly pulled up to compress the first spring 8, then two groups of limiting rods 4 are aligned and penetrate through the fixed shell 5, then the fixing handles 7 are loosened, the inner arc clamping plate 9 is tightly clamped on the upper surface of the limiting rods 4 under the resetting action of the first spring 8, at the moment, the lower inserting plate 10 at the bottom of the inner arc clamping plate 9 can be inserted into the inserting hole 11, so that one end of the limiting rod 4 is supported on the fixed shell 5, the other end is supported by the outer ear 3, the middle area is tightly clamped downwards by the inner arc clamping plate 9, the effect of relatively stabilizing the louver frame 2 can be achieved, and the air flow generated by the central air conditioner under special conditions can be overlarge, the limiting rod 4 is not stable enough, at the moment, the stability of the louver frame 2 can be improved by means of the compression piece, as the fixed shaft 17 can slide along the vertical direction of the swing plate 18 while the inner wall of the swing plate 18 rotates, the swing plate 18 can swing along the fixed shaft 17, the position of the sliding disc 19 is adjusted, the telescopic rod 14 is abutted against the sliding disc 19, the telescopic rod 14 extends out of the containing barrel 13 under the reset action of the second spring 15, finally, the sliding disc 19 slides forwards along the inner wall of the fixed frame 12, the louver frame 2 is continuously close to the front end face of the return air box 1, the stability of the installation of the louver frame 2 is further improved, when the inner wall of the return air box 1 is cleaned by detaching the louver frame 2, the limiting of the locking mechanism on the limiting rod 4 is relieved by reverse operation, meanwhile, the sliding disc 19 is not located on the inner wall of the fixed frame 12 any more, and when air flow generated by a central air conditioner passes through the inner wall of the louver frame 2, the filter screen 20 can filter most solid particle impurities, and the photocatalyst screen 21 can purify and sterilize the air flow and increase the concentration of negative oxygen ions, so as to achieve the effect of purifying the air flow.

Although embodiments of the present application 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 application, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a central air conditioning's return-air inlet structure, includes return-air case (1), its characterized in that: the utility model discloses a louver, including return air case (1), shutter frame (2), the equal fixedly connected with auricle (3) in both sides of shutter frame (2), rear end face fixedly connected with gag lever post (4) of auricle (3), the surface of gag lever post (4) cup joints with the internal surface slip of set casing (5), the both sides of return air case (1) all are provided with the locking mechanism who is used for fixed shutter frame (2), jack (11) have been seted up to the inner wall bottom of set casing (5), the top fixedly connected with riser (16) of shutter frame (2), inboard fixedly connected with fixed axle (17) of riser (16), the surface swing joint of fixed axle (17) has pendulum plate (18), the bottom fixedly connected with sliding tray (19) of pendulum plate (18), the top of return air case (1) is provided with the compression piece, the inboard of shutter frame (2) is provided with the purification piece.

2. The return air inlet structure of a central air conditioner according to claim 1, characterized in that: locking mechanism includes set casing (5) of fixed mounting in return air case (1) both sides, the inner wall fixedly connected with rubber ring (6) of set casing (5), the internal surface of rubber ring (6) is cup jointed with the surface activity of gag lever post (4).

3. The return air inlet structure of a central air conditioner according to claim 2, characterized in that: the top of the fixed shell (5) is in threaded sleeve connection with a fixing handle (7), the bottom of the fixing handle (7) is fixedly connected with an inner arc clamping plate (9), and the bottom of the inner arc clamping plate (9) is fixedly connected with a lower inserting plate (10).

4. The air return opening structure of a central air conditioner according to claim 3, characterized in that: the outer surface of the retention handle (7) is movably sleeved with a first spring (8), and the top and the bottom of the first spring (8) are fixedly connected with the top of the inner wall of the fixed shell (5) and the top of the inner arc clamping plate (9) respectively.

5. The air return opening structure of a central air conditioner as claimed in claim 1, wherein: the compression piece comprises a storage barrel (13) fixedly connected to the inner wall of the fixing frame (12), a telescopic rod (14) is sleeved on the inner surface of the storage barrel (13) in a sliding mode, a second spring (15) is sleeved on the outer surface of the telescopic rod (14) in a movable mode, and one end of the second spring (15) is fixedly connected with the outer surface of the storage barrel (13).

6. The return air inlet structure of a central air conditioner according to claim 1, characterized in that: purify the piece including setting up filter screen (20) inside shutter frame (2), the inside of shutter frame (2) is provided with photocatalyst net (21).