CN210740670U - Air conditioner return air inlet obliquely-inserted air filter - Google Patents

Abstract

The utility model provides an air conditioner return air inlet oblique-insertion type air filter, which comprises a filtering unit and a U-shaped frame, wherein the inner wall of the U-shaped frame is provided with a slot, and the filtering unit is inserted in the slot; the filter unit comprises a frame and a filter element, the frame is a non-woven fabric frame, the filter element is arranged in the frame, and a sealing gasket is arranged around the frame. The filter unit in the filter has high toughness and small mass, is easy to be attached to the return air inlet, and reduces the installation difficulty of installation personnel; the U-shaped frame is used for increasing the strength of the filtering unit, is convenient to transport, can be reused and reduces the use cost; a sealing gasket is arranged around the frame and used for sealing a gap between the frame and the air return opening and playing a role in buffering vibration; the filter element comprises a filter layer and a support net, the filter layer is made of electrostatic cotton, the filter resistance is small, and the filter effect is good; the fixing clamp comb is used for positioning the pleated structure of the filter element, so that the deformation of the filter element in the working process is reduced, and the filtering effect is improved.

Description

Air conditioner return air inlet obliquely-inserted air filter

Technical Field

The utility model relates to a filter equipment field especially relates to a filter for return air inlet, is an air conditioner return air inlet formula air cleaner to one side particularly.

Background

With the improvement of the modern production and living standard, people have higher and higher requirements on the indoor air quality, and an indoor air conditioning cleaning system is often adopted to improve the indoor air quality. To improve the indoor air quality, control is performed from each stage of air circulation. The return air inlet is one of the necessary components in the air-conditioning cleaning system, and the filtering function of the return air inlet is an important link of indoor air circulation. The return air inlet in the present air-conditioning cleaning system generally adopts the following filtering mode: firstly, no filtration is adopted, and the mode is not preferable and cannot meet the requirement of cleanness; secondly, a layer of nylon net is added at the air return opening, and practice proves that the nylon net basically has no filtering effect on impurities in the air and is easy to become a hotbed for bacteria to adhere to and propagate, so that the efficiency of an air conditioning system is reduced, and the energy consumption is increased; thirdly, a hard direct-insert plate type filter is installed at the air return opening, and due to the fact that the position of the air return opening is high, an installer needs to climb a ladder to install the filter, the filter is fixed in shape and large in mass, and installation difficulty of the installer is increased when the direct-insert installation is adopted; the frame of the filter is difficult to be completely and closely attached to the air return opening, the filter is required to be completely pressed and fixed during installation, side leakage can be generated when a gap exists, the filtering effect is reduced, and the problems of high noise and the like can be caused; most plate filters used for air return inlets are disposable consumables, hard frames cannot be reused, and the use cost is high; the filter element has large resistance and poor filtering effect.

Disclosure of Invention

The utility model aims at solving the shortcoming that exists among the prior art, and the air conditioner return air inlet formula air cleaner that proposes inserts to one side has high tenacity characteristics, reduces the installation degree of difficulty, and the leakproofness is strong, and the filter core is removable, reduces use cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an oblique-insertion type air filter for an air return opening of an air conditioner comprises a filtering unit and a U-shaped frame, wherein a slot is formed in the inner wall of the U-shaped frame, and the filtering unit is inserted into the slot; the filter unit comprises a frame and a filter element, the frame is a non-woven fabric frame, the filter element is arranged in the frame, and a sealing gasket is arranged around the frame.

Preferably, the cross section of the sealing gasket is in the shape of a right triangle, one right-angle side of the sealing gasket is attached to the frame, and the other right-angle side of the sealing gasket is perpendicular to the frame.

Preferably, the filter element comprises a filter layer and a support net covering the surface of the filter layer.

Preferably, the two sides of the filter layer are covered with support nets, the meshes of one support net are square, and the meshes of the other support net are rhombic.

Preferably, the filter layer is electrostatic cotton.

Preferably, the filter core is in a pleated shape, a fixing clamping comb is arranged on the filter core, the fixing clamping comb is in a pleated shape, and the pleated structure of the fixing clamping comb is matched with the pleated structure of the filter core.

Preferably, a sealant is arranged between the filter element and the frame.

Preferably, the sealing gasket is a sealing sponge.

Preferably, the filter unit is rectangular.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the filtering unit has high toughness and small mass, and reduces the installation difficulty of installation personnel; the frame of the filtering unit is a non-woven fabric frame, so that the filtering unit has strong toughness, can accept deformation in a certain range, is convenient to adjust the position of the filtering unit during installation and is easy to attach to the return air inlet;

(2) in order to increase the strength of the filtering unit, the filtering unit is inserted into the slot in the U-shaped frame, so that the transportation is convenient; in a scene with low strength requirement on the filtering unit, the filtering unit can be drawn out of the U-shaped frame and directly installed in the air return opening; in a scene with higher requirement on the strength of the filtering unit, the filtering unit is inserted into the U-shaped frame and is arranged in the air return opening together; when the filtering unit is replaced, the U-shaped frame can be reused, so that the use cost is reduced;

(3) a sealing gasket is arranged around the frame and used for sealing a gap between the frame and the air return opening and playing a role in buffering vibration; the cross section of the sealing gasket is preferably right-angled triangle, the sealing gasket is suitable for return air inlets with different sizes in a certain range, and the return air inlets with different sizes are sealed by adjusting the contact position of the sealing gasket and the return air inlets;

(4) the filter element comprises a filter layer and a support net coated on the surface of the filter layer, the support net plays a role in supporting and fixing the filter layer, the filter layer preferably adopts electrostatic cotton to adsorb impurities in the air, the filtering resistance is small, and the filtering effect is good;

(5) the fixing clamp comb is used for positioning the pleated structure of the filter element, so that the deformation of the filter element in the working process is reduced, and the filtering effect is improved.

Drawings

Fig. 1 is a schematic structural view of an air filter with an obliquely inserted air return inlet of an air conditioner according to embodiment 1 of the present invention;

FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;

fig. 3 is a schematic structural view of a filter element of an air filter with an obliquely inserted air return inlet of an air conditioner according to embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a filter element and a fixing comb in an air filter with an inclined insertion type air return opening of the air conditioner of embodiment 1 of the present invention;

fig. 5 is a cross-sectional view of an application of an air filter with an oblique insertion type air return inlet of the air conditioner in embodiment 1 of the present invention.

The filter comprises a filter unit 1, a 2-U-shaped frame, a 3-slot, a 4-frame, a 5-filter element, a 6-sealing gasket, a 7-filter layer, a 8-support net, a 9-fixing clamp comb, a 10-sealant and an 11-air return opening.

Detailed Description

In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.

Please refer to fig. 1 to 4 in combination, fig. 1 is a schematic structural diagram of an air filter with an inclined insertion type air return inlet according to embodiment 1 of the present invention; FIG. 2 is a cross-sectional view taken along A-A of FIG. 1; fig. 3 is a schematic structural view of a filter element of an air filter with an obliquely inserted air return inlet of an air conditioner according to embodiment 1 of the present invention; fig. 4 is a schematic structural view of a filter element and a fixing comb in an air filter with an inclined insertion type air return opening of the air conditioner of embodiment 1 of the present invention; fig. 5 is a cross-sectional view of an application of an air filter with an oblique insertion type air return inlet of the air conditioner in embodiment 1 of the present invention.

Referring to fig. 1, the air filter of the present invention includes a filtering unit 1 and a U-shaped frame 2, wherein the inner wall of the U-shaped frame 2 is provided with a slot 3, the filtering unit 1 is inserted into the slot 3, the filtering unit 1 can be pulled out from the slot 3, and the use is convenient; the filter of the utility model utilizes the filtering unit 1 to filter the impurities in the air, and the U-shaped frame 2 is used for increasing the strength of the filtering unit 1; the filtering unit 1 comprises a frame 4 and a filter element 5, wherein the frame 4 is a non-woven fabric frame, the filter element 5 is arranged in the frame 4, and a sealing gasket 6 is arranged around the frame 4. The filtering unit 1 of the filter has high toughness and small mass, and is beneficial to reducing the installation difficulty of installation personnel; the frame 4 of the filtering unit 1 is a non-woven fabric frame, has strong toughness, can accept deformation in a certain range, and is convenient for adjusting the position of the filtering unit 1 during installation so as to be attached to the air return opening 11 and ensure the sealing property; during transportation, the filtering unit 1 can be inserted into the slot 3 of the U-shaped frame 2, so that the strength of the filtering unit 1 is increased; in a scene with low strength requirement on the filtering unit 1, the filtering unit 1 can be pulled out from the U-shaped frame 2 and directly and obliquely inserted into the air return opening 11, and then the position of the filtering unit 1 is adjusted, so that the filtering unit 1 is tightly attached to the air return opening 11, and air containing impurities is prevented from leaking; in a scene with higher requirement on the strength of the filtering unit 1, the filtering unit 1 is inserted into the U-shaped frame 2, obliquely inserted into the air return opening 11 together, and then the whole position of the filtering unit is adjusted to ensure that the filter is tightly attached to the air return opening 11; in addition, when the filter unit 1 is replaced, the U-shaped frame 2 can be reused, and the use cost is reduced.

Please refer to fig. 2 or fig. 5, as the preferred embodiment of the present invention, the cross section of the sealing gasket 6 is a right triangle, a right-angle side of the sealing gasket 6 is attached to the frame 4, another right-angle side is perpendicular to the frame 4 and extends outwards, the sealing gasket 6 can seal the gap between the filter and the air return opening 11, and the present invention discloses a sealing gasket 6 is suitable for the air return opening 11 with different sizes in a certain range, and the sealing gasket 6 and the air return opening 11 are adjusted to contact positions, thereby realizing the sealing of the air return opening 11 with different sizes.

Preferably, referring to fig. 3, the filter element 5 includes a filter layer 7 and a support net 8 covering the surface of the filter layer 7, and the support net 8 has a supporting function on the filter layer 7, so as to increase the toughness and strength of the filter element 5. Furthermore, in the preferred embodiment of the present invention, the two sides of the filter layer 7 are covered with the support nets 8, and the meshes of one support net 8 are square, and the meshes of the other support net 8 are diamond, so that the filter effect and the support effect are good; wherein, filter layer 7 is static cotton, can adsorb impurity in the air etc. and the filter resistance is low, and the filter effect is good.

Preferably, referring to fig. 4, the filter element 5 is pleated, and the filter element 5 is provided with a fixing comb 9, the fixing comb 9 is pleated, the pleated structure of the fixing comb 9 matches with the pleated structure of the filter element 5, and two ends of the fixing comb 9 are connected with the frame 4. The fixing clamp comb 9 is used for fixing the pleated structure of the filter element 5, so that the deformation of the filter element 5 in the working process of the filter is reduced, and the filtering effect is ensured.

Preferably, a sealant 10 is disposed between the filter element 5 and the frame 4, and is used for connecting the filter element 5 inside the frame 4, so as to enhance the sealing performance of the filter unit 1. In the processing process, two sides of the filter layer 7 are covered with the supporting nets 8, the three layers are folded together to be processed into the pleated filter element 5, the seal gum 10 is used for connecting the filter element 5 into the frame 4, and then the fixing comb 9 is used for fixing the pleat shape of the filter element 5.

Preferably, the sealing gasket 6 is a sealing sponge, has low density and light weight, has excellent sealing performance, buffering performance and elasticity, can be attached to the air return opening 11, seals a gap between the filter and the air return opening 11, and has a buffering effect on vibration generated in the working process of the filter.

Preferably, filter unit 1 is rectangle, with 11 structure phase-matches in air-conditioning system's return air inlet at present, utilizes the utility model discloses filter unit 1 in the filter filters the air, and the filter effect is good, helps improving the indoor air quality, promotes the comfort level of people in production life.

In summary, the utility model provides an air filter with an oblique inserted air return opening of an air conditioner, the filtering unit 1 has high toughness and small quality, and the installation difficulty of an installer is reduced; the frame 4 of the filtering unit 1 is a non-woven fabric frame, has strong toughness, can accept deformation in a certain range, is convenient for adjusting the position of the filtering unit 1 during installation and is easy to be attached to the air return port 11; the U-shaped frame 2 is used for increasing the strength of the filtering unit 1, is convenient to transport, and can be used for only installing the filtering unit 1 or installing the U-shaped frame 2 and the filtering unit 1 together according to the installation scene, and the U-shaped frame 2 can be reused, so that the use cost is reduced; a sealing gasket 6 is arranged around the frame 4 and used for sealing a gap between the frame 4 and the air return opening 11 and playing a role in buffering vibration; the cross section of the sealing gasket 6 is preferably right-angled triangle, and is suitable for air return ports 11 with different sizes in a certain range; the filter element 5 comprises a filter layer 7 and a support net 8 covering the surface of the filter layer 7, the support net 8 plays a role in supporting and fixing the filter layer 7, the filter layer 7 preferably adopts electrostatic cotton to adsorb impurities in the air, the filtering resistance is small, and the filtering effect is good; the fixing clamp comb 9 is utilized to position the pleated structure of the filter element 5, so that the deformation of the filter element in the working process is reduced, and the filtering effect is improved.

The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.

Claims (9)

1. The utility model provides an air conditioner return air inlet formula air cleaner that inserts to one side which characterized in that: the filter comprises a filter unit and a U-shaped frame, wherein the inner wall of the U-shaped frame is provided with a slot, and the filter unit is inserted into the slot; the filter unit comprises a frame and a filter element, the frame is a non-woven fabric frame, the filter element is arranged in the frame, and a sealing gasket is arranged around the frame.

2. The air conditioner air return inlet oblique-insertion type air filter of claim 1, characterized in that: the cross section of the sealing gasket is in a right triangle shape, one right-angle side of the sealing gasket is attached to the frame, and the other right-angle side of the sealing gasket is perpendicular to the frame.

3. The air conditioner air return inlet oblique-insertion type air filter of claim 1, characterized in that: the filter element comprises a filter layer and a support net covering the surface of the filter layer.

4. The air conditioner air return inlet oblique-insertion type air filter of claim 3, characterized in that: the two sides of the filter layer are covered with support nets, meshes of one support net are square, and meshes of the other support net are rhombic.

5. The air conditioner air return inlet oblique-insertion type air filter of claim 3, characterized in that: the filter layer is static cotton.

6. The air conditioner air return inlet oblique-insertion type air filter of claim 1, characterized in that: the filter core is the fold form, just be equipped with the fixing clip comb on the filter core, the fixing clip comb is the fold form, just the fold form structure of fixing clip comb with the fold form structure phase-match of filter core.

7. The air conditioner air return inlet oblique-insertion type air filter of claim 1, characterized in that: and a sealant is arranged between the filter element and the frame.

8. The air conditioner air return inlet oblique-insertion type air filter of claim 1, characterized in that: the sealing gasket is sealing sponge.

9. The air conditioner air return inlet oblique-insertion type air filter of claim 1, characterized in that: the filter unit is rectangular.

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