CN209877167U

CN209877167U - Dust filter screen assembly and air conditioner indoor unit with same

Info

Publication number: CN209877167U
Application number: CN201920175483.7U
Authority: CN
Inventors: 张德明; 孙婷; 王佳林; 郝本华; 成汝振
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2019-12-31
Anticipated expiration: 2029-01-31

Abstract

The utility model provides a dust screen assembly, include: the dust filtering net comprises a filter disc, a main body frame and a connecting part, wherein the filter disc is fixed in the main body frame, and the main body frame extends outwards from one side of the main body frame to form the connecting part; and a handle located at one side of the connecting part; wherein, connecting portion with the handle passes through the block structure and fixes and fix a position through location structure. The utility model discloses a handle and connecting portion of dust filter screen subassembly pass through the location structure location and through the block structure fixed, needn't use the screw can be fixed with handle and dust filter screen, reduce the equipment process, the material saving cost, handle and dust filter screen still pass through the location structure location simultaneously, make the block more firm. The utility model also provides an air-conditioning indoor unit.

Description

Dust filter screen assembly and air conditioner indoor unit with same

Technical Field

The utility model relates to an air conditioning technology field especially relates to a dust filter screen subassembly and have its air conditioning indoor set.

Background

The air inlet of the indoor machine of the household cabinet air conditioner is provided with a dust filter screen for filtering sucked indoor air, and the dust filter screen needs to be periodically detached and cleaned in the using process and is provided with a handle to facilitate the installation and detachment of the dust filter screen. In the prior art, the dust filter net and the handle are fastened together by screws due to different material requirements, so that the defects of complex assembly process and high material cost exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a handle and connecting portion location are accurate and do not rely on the solid dirt screen that strains of screw.

A further object of the present invention is to provide a dust filter net with a tight fit between the handle and the connecting portion.

Another further object of the present invention is to provide an air conditioner indoor unit with a dust filter and an air inlet grille that are closely attached.

Particularly, the utility model provides a dust screen subassembly includes:

the dust filtering net comprises a filter disc, a main body frame and a connecting part, wherein the filter disc is fixed in the main body frame, and the main body frame extends outwards from one side of the main body frame to form the connecting part; and

a handle positioned at one side of the connecting part;

wherein, connecting portion and handle pass through the block structure fixed and fix a position through location structure.

Optionally, the handle comprises a body portion and a recessed portion;

the body part is inwards sunken to form a sunken part with an outward opening;

the connecting part and the body part are fixed through the clamping structure and are positioned through the positioning structure.

Optionally, the connecting portion is provided with one or more first protrusions, and the first protrusions are provided with holes;

the body part is correspondingly provided with one or more handle bulges;

the handle bulge is clamped in the hole to form a clamping structure.

Optionally, the handle projection is a wedge-shaped projection provided inside the body portion;

the first bulge is formed by extending the connecting part obliquely outwards, and the inclination of the first bulge meets the requirement that the handle bulge is clamped into the hole in the forward direction and cannot be taken out of the hole in the reverse direction.

Optionally, a plurality of handle protrusions are uniformly distributed on the inner side of the body part;

the connecting part is obliquely extended outwards to form a plurality of first bulges uniformly.

Optionally, the connecting portion is provided with one or more second protrusions;

the body part is correspondingly provided with one or more pressure grooves with accommodating cavities;

the second bulge is inserted in the pressing groove to form a positioning structure.

Optionally, the connecting parts are respectively formed with second bulges extending outwards at the positions of the upper and lower edges thereof;

the body part is correspondingly provided with pressing grooves at the upper and lower edge positions of the inner side of the body part.

Optionally, the connecting part is extended outwards to form one or more third protrusions;

the body part is correspondingly extended and formed with one or more positioning grooves at the inner side;

the third bulge is matched in the positioning groove to form a positioning structure.

The utility model also provides an indoor unit of air conditioner, include:

an air inlet grille; and

the dust filter screen assembly;

wherein, the dust filtering net is inserted into the air inlet grille; the connecting part is transversely provided with one or more fourth bulges at the outer side of the connecting part, and the fourth bulges are matched with the insertion holes of the air inlet grille, so that the dust filter screen is tightly attached to the air inlet grille.

Optionally, the indoor unit of air conditioner is a cabinet indoor unit of air conditioner, and further includes:

the air inlet grille, the upper air outlet and the lower air outlet are formed on the machine shell, and the air inlet grille limits a machine shell air inlet;

the air supply assembly is arranged in the shell and is configured to suck ambient air from the ambient environment of the air inlet of the shell and promote the ambient air to flow to the upper air outlet and the lower air outlet respectively;

and the indoor heat exchanger is arranged on an air inlet flow path between the air inlet of the shell and the air supply assembly.

The utility model discloses a dust filter screen subassembly has filter element, main body frame, connecting portion and handle, through outwards extending formation connecting portion in one side of main body frame, passes through location structure location and through block structural fixation with handle and connecting portion, needn't use the screw can be fixed with handle and dust filter screen, reduces the equipment process, and the material saving cost, handle and dust filter screen still fix a position through location structure simultaneously, make the block more firm.

Further, the utility model discloses a dirt filtrating screen and handle preferred be provided with a plurality of blocks, location structure, and it is firm to guarantee dirt filtrating screen and handle block.

Further, the utility model discloses a dust filter's the back is formed with the fourth arch, cooperates with air inlet grille's inserted hole, makes dust filter paste with air inlet grille and leans on closely, can not rock and deviate from.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic cross-sectional view of a cabinet air conditioner indoor unit according to an embodiment of the present invention.

Fig. 2 is a schematic exploded view of the back plate, dust filter and handle of the cabinet air conditioner indoor unit shown in fig. 1.

Fig. 3 is a schematic perspective view of the inside of the dust screen shown in fig. 2.

Fig. 4 is a schematic partial enlarged view of fig. 3.

Fig. 5 is a schematic perspective view of the outer side of the dust screen shown in fig. 2.

Fig. 6 is a schematic partial enlarged view of fig. 5.

Fig. 7 is a schematic perspective view of the handle shown in fig. 2.

Fig. 8 is another schematic perspective view of the handle shown in fig. 2.

Fig. 9 is a sectional view of the back plate, dust filter, and handle of the cabinet air conditioner indoor unit shown in fig. 1.

Fig. 10 is a schematic partial enlarged view of fig. 9.

Fig. 11 is another sectional view of the back plate, the dust filter net, and the handle of the cabinet air conditioner indoor unit shown in fig. 1.

Fig. 12 is a schematic partial enlarged view of fig. 11.

Detailed Description

Fig. 1 is a schematic cross-sectional view of a cabinet type air conditioning indoor unit 100 according to an embodiment of the present invention. Fig. 2 is a schematic exploded view of the back plate 200, the dust filter 300, and the handle 400 of the cabinet air-conditioning indoor unit 100 shown in fig. 1. Fig. 3 is a schematic perspective view of the inside of the dust filter 300 of the cabinet air-conditioning indoor unit 100 shown in fig. 2. Fig. 4 is a schematic partial enlarged view of fig. 3. Fig. 7 is a schematic perspective view of the handle 400 shown in fig. 2. The indoor unit 100 of the cabinet air conditioner of the embodiment of the present invention may generally include a casing, an air supply assembly, an indoor heat exchanger 140, and a dust screen assembly. The housing may be enclosed by a base 111, a body 112 disposed on the base 111, and a top cover plate 113 disposed on the body 112. The fuselage 112 may include a front panel, a deflector extension panel 150, two lateral side panels, and a rear backplate 200. The front panel, the two lateral side panels and the back panel 200 enclose an upper opening, which is closed by a top cover plate 113. The upper outlet 161 is disposed at the front side of the top cover 113, and the upper outlet 161 is exposed after rotating upward. The airflow guiding extension plate 150 is disposed below the front panel, and the top end of the airflow guiding extension plate and the bottom end of the front panel form a lower air outlet 162 of the housing. An air inlet grille 201 is formed on the rear backplate 200, and the air inlet grille 201 defines a cabinet air inlet 202. The air supply assembly is disposed in the casing, and is used for sucking ambient air from the surrounding environment of the casing air inlet 202 and causing the air to flow to the upper air outlet 161 and the lower air outlet 162, and includes two centrifugal fans 120 arranged at intervals in the vertical direction, and an air duct main body 130 for accommodating and supporting the centrifugal fans 120. The indoor heat exchanger 140 is disposed on an intake air flow path between the casing intake 202 and the air supply assembly. The dust screen assembly includes a dust screen 300 and a handle 400 disposed at the cabinet air intake 202 and configured to at least partially cover the cabinet air intake 202. Dust screen 300 includes filter sheet 301, main body frame 302, and connection portion 303. The filter 301 is fixed in the main body frame 302, and the main body frame 302 extends outward at one side thereof to form a connection portion 303. The handle 400 is located on one side of the connecting portion 303 and is used for an operator to grip and apply force. The connecting portion 303 and the handle 400 are fixed by a snap structure and positioned by a positioning structure. The utility model discloses a dust filter screen subassembly has filter element 301, main body frame 302, connecting portion 303 and handle 400, outwards extend through one side at main body frame 302 and form connecting portion 303, pass through the block structure with handle 400 and dust filter screen 300 fixed and through the location structure location, needn't use the screw can be fixed with handle 400 and dust filter screen 300, reduce the equipment process, the material saving cost, handle 400 and dust filter screen 300 still fix a position through the location structure simultaneously, it is more firm to make the block.

The handle 400 includes a body portion 401 and a recessed portion 402, the body portion 401 being recessed inwardly to form the recessed portion 402 which is open outwardly. The connecting portion 303 and the body portion 401 are fixed by a snap structure and positioned by a positioning structure.

Fig. 9 is a cross-sectional view of the back plate 200, the dust filter 300, and the handle 400 of the cabinet air-conditioning indoor unit 100 shown in fig. 1. Fig. 10 is a schematic partial enlarged view of fig. 9. In some embodiments, the connection portion 303 of the present invention is provided with one or more first protrusions 331, and the first protrusions 331 are provided with holes 310. The handle 400 has one or more handle protrusions 403 disposed on the body 401. The handle protrusions 403 snap into the holes 310, forming a snap-fit structure.

In a preferred embodiment, the handle protrusion 403 of the handle 400 according to the embodiment of the present invention is a wedge-shaped protrusion disposed inside the body portion 401. The first protrusion 331 is formed by extending the connection portion 303 obliquely outward, and has an inclination that the handle protrusion 403 is locked into the hole 310 in the forward direction and can not be taken out of the hole 310 in the reverse direction. The utility model discloses cabinet air conditioner indoor set 100 is through forming the first arch 331 that has the inclination on the connecting portion 303 at dirt filtrating screen 300, and corresponds on the body part 401 of handle 400 and set up the wedge arch for handle arch 403 can be in the same direction block hole 310 and reverse can't take off hole 310, and the equipment is very simple but very firm. It can be understood that the engaging structure also has a positioning function.

Fig. 7 is a schematic perspective view of the handle 400 shown in fig. 2. Fig. 8 is another schematic perspective view of the handle 400 shown in fig. 2. Fig. 11 is another cross-sectional view of the back plate 200, the dust filter 300, and the handle 400 of the cabinet air-conditioning indoor unit 100 shown in fig. 1. Fig. 12 is a schematic partial enlarged view of fig. 11. In some embodiments, the connection portion 303 of the dust filter 300 of the present invention is provided with one or more second protrusions 332. The body portion 401 of the handle 400 is correspondingly provided with one or more press grooves 404 having receiving cavities. The second protrusion 332 is inserted into the pressing groove 404 to form a positioning structure.

In a preferred embodiment, the connecting portion 303 of the dust filter 300 of the present invention is formed with second protrusions 332 extending outward at upper and lower edge positions thereof, respectively. The main body 401 of the handle 400 is provided with press grooves 404 at upper and lower edge positions of the inner side thereof, respectively. The utility model discloses the upper and lower border position through connecting portion 303 at dirt filtrating screen 300 sets up the protruding 332 of second respectively, corresponds respectively and sets up indent 404 in the inboard upper and lower border position of this body portion 401 of handle 400, through inserting the indent 404 that handle 400 corresponds with the protruding 332 of second for connecting portion 303 can closely laminate with the mid portion of handle 400 with large area, and is not rocked.

In some embodiments, the connection portion 303 of the dust filter 300 of the present invention is formed with one or more third protrusions 333 extending outward. The body portion 401 of the handle 400 is formed with one or more positioning grooves 405 extending correspondingly on the inner side thereof. The third protrusion 333 is fitted in the positioning groove 405 to form a positioning structure. In order to ensure the accurate positioning and firm engagement between the dust filter 300 and the handle 400, a plurality of third protrusions 333 are preferably formed to allow the connection portion 303 and the handle 400 to be positioned at multiple points, so as to ensure that the assembly is not dislocated and tightly attached.

Fig. 5 is a schematic perspective view of the outside of the dust filter 300 of the cabinet air-conditioning indoor unit 100 shown in fig. 2. Fig. 6 is a schematic partial enlarged view of fig. 5. Fig. 11 is another cross-sectional view of the back plate 200, the dust filter 300, and the handle 400 of the cabinet air-conditioning indoor unit 100 shown in fig. 1. Fig. 12 is a schematic partial enlarged view of fig. 11. In some embodiments, the dust filter 300 of the present invention is inserted into the air inlet grille 201, and the connecting portion 303 is further transversely provided with one or more fourth protrusions 334 on the outer side thereof. The fourth protrusion 334 is engaged with the insertion opening of the air inlet grille 201, so that the dust filter 300 is tightly attached to the air inlet grille 201 and cannot shake off. In addition, whether the dust filter 300 and the handle 400 are inserted in place or not can be judged by the hand feeling that the fourth protrusion 334 is elastically inserted into the reverse of the air inlet grille 201. In one embodiment, the fourth protrusion 334 is a wedge-shaped protrusion.

As shown in fig. 3 and 7, in one embodiment, a dust screen assembly of an embodiment of the present invention includes a filter sheet 301, a main body frame 302, a connecting portion 303, and a handle 400. The filter 301 is fixed in the main body frame 302. The main body frame 302 extends obliquely outward at one side thereof to form a connecting portion 303. The connecting portion 303 has an arc-like structure as a whole. Second protrusions 332 are formed at upper and lower edge positions of the connection portion 303 to extend outward, respectively. Four first protrusions 331 with holes 310 are uniformly distributed between the two second protrusions 332. A plurality of third protrusions 333 are distributed among the four first protrusions 331. The primary purpose of the third projection 333 is to locate it, so it preferably occupies a large area along the length of the connection 303. Furthermore, a plurality of fourth protrusions 334 are transversely disposed on the outer side of the connecting portion 303 to be engaged with the insertion openings of the air inlet grille 201. The handle 400 includes a body portion 401 and a recessed portion 402. The body portion 401 is of an arc-like structure as a whole, and a central portion thereof is recessed inward in the length direction to form a recessed portion 402 which is open outward. The body portion 401 is divided into a first body portion for mating with the connection portion 303, the air inlet grille 201 and a second body portion for mating with the back plate 200 according to the recess portion 402. Pressing grooves 404 are respectively provided at positions corresponding to the second protrusions 332 at the upper and lower edge positions of the inner side of the body portion 401. Four wedge-shaped inverted handle protrusions 403 are uniformly distributed between the two pressing grooves 404 and are arranged in one-to-one correspondence with the first protrusions 331. A plurality of positioning grooves 405 are formed between the four handle protrusions 403 in a distributed and extending manner, and are arranged corresponding to the third protrusions 333 one by one. The utility model discloses connecting portion 303 and handle 400 are provided with a plurality of blocks, location structure, and it is firm to guarantee the block of dirt filtrating screen 300 and handle 400, and it is inseparable to also make dirt filtrating screen 300 and air inlet grille 201 laminate simultaneously.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. A dust screen assembly, comprising:

a handle positioned at one side of the connecting part;

wherein, connecting portion with the handle passes through the block structure and fixes and fix a position through location structure.

2. A dust screen assembly according to claim 1,

the handle includes a body portion and a recessed portion;

the body part is inwards sunken to form the sunken part with an outward opening;

3. A dust screen assembly according to claim 2,

the connecting part is provided with one or more first bulges, and holes are formed in the first bulges;

the body part is correspondingly provided with one or more handle bulges;

the handle protrusion is clamped in the hole to form the clamping structure.

4. A dust screen assembly according to claim 3,

the handle projection is a wedge-shaped projection arranged on the inner side of the body part;

the first bulge is formed by extending the connecting part obliquely outwards, and the inclination of the first bulge meets the condition that the handle bulge is clamped into the hole in the forward direction and cannot be reversely separated from the hole.

5. A dust screen assembly according to claim 4,

a plurality of handle bulges are uniformly distributed on the inner side of the body part;

6. A dust screen assembly according to claim 2,

the connecting part is provided with one or more second bulges;

the second bulge is inserted in the pressing groove to form the positioning structure.

7. A dust screen assembly according to claim 6,

the connecting part is respectively provided with second bulges extending outwards at the upper edge and the lower edge of the connecting part;

the body part is provided with the pressing grooves at the upper and lower edge positions of the inner side of the body part respectively and correspondingly.

8. A dust screen assembly according to claim 2,

the connecting part extends outwards to form one or more third bulges;

the body part is correspondingly extended at the inner side to form one or more positioning grooves;

the third bulge is matched in the positioning groove to form the positioning structure.

9. An indoor unit of an air conditioner, comprising:

an air inlet grille; and

a dust screen assembly according to any one of claims 1 to 8;

wherein the dust filter screen is inserted into the air inlet grille; the connecting part is transversely provided with one or more fourth bulges at the outer side of the connecting part, and the fourth bulges are matched with the insertion holes of the air inlet grille, so that the dust filter screen is tightly attached to the air inlet grille.

10. An indoor unit of an air conditioner according to claim 9,

the indoor set of air conditioner is the indoor set of cabinet air conditioner, still includes:

an air supply assembly disposed within the housing and configured to draw in ambient air from an ambient environment of the housing air inlet and to urge the ambient air to flow toward the upper air outlet and the lower air outlet, respectively;