Fixing device for installing filtering piece on ventilation equipment

Abstract

The utility model relates to a fixing device for installing a filter on ventilation equipment, which comprises a supporting pipe communicated with an air inlet or an air outlet of the ventilation equipment, a limit frame is fixedly arranged at one end of the supporting pipe, the limit frame and an inner cavity of the supporting pipe are overlapped along the projection of the axial direction of the supporting pipe, and a ventilation hole A communicated with the inside and the outside of the supporting pipe is formed in the limit frame; a supporting frame is arranged on the side, away from the limiting frame, of the supporting pipe, projections of inner cavities of the supporting frame and the supporting pipe are overlapped in the axial direction of the supporting pipe, and ventilation holes B communicating the inside and the outside of the supporting pipe are formed in the limiting frame. A cavity for placing the filtering piece is formed between the limiting frame in the supporting pipe and the supporting frame; the filtering piece is fixedly installed on the air inlet or the air outlet of the ventilation equipment through the supporting pipe, the limiting frame and the supporting frame, the filtering piece can be conveniently replaced in time according to needs, and the device is simple, efficient, safe and reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of fan equipment, in particular to a fixing device for installing a filter element on a ventilation device. Background Art

[0002] A ventilation device is a device used for ventilation. Ventilation, also known as air change, is to send sufficient fresh air into an indoor space by mechanical or natural means, and at the same time discharge the dirty air that does not meet the sanitary requirements in the room, so that the indoor air meets the sanitary requirements and the needs of the production process.

[0003] During the use of a ventilation device, a filtering device is often required to be arranged at the air inlet or outlet of the ventilation device to filter out impurities such as dust and bacteria in the air, so as to keep the air clean and hygienic. However, long-term air purification often causes the filtering device to be filled with impurities such as dust and bacteria, which is likely to breed a large number of bacteria and generate peculiar smells. Therefore, it is necessary to replace or clean the filtering device in time. However, the existing filtering devices often adopt an integrated design, and the entire filtering device needs to be replaced or cleaned. Moreover, the filtering device is generally fixedly connected in the ventilation duct, resulting in extremely inconvenient disassembly of the filtering device. In addition, the filter element of the filtering device is generally fixed in the filtering device and cannot be replaced with different functional filter elements according to user needs. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a fixing device for installing a filter element on a ventilation device, which fixes and installs the filter element on the air inlet or outlet of the ventilation device through a support pipe, a limiting frame and a support frame, so as to facilitate timely replacement of the filter element according to needs, and is simple, efficient, safe, reliable and convenient to operate.

[0005] The utility model is realized by the following technical solutions. A fixing device for installing a filter element on a ventilation device is provided, which includes a support pipe communicated with the air inlet or outlet of the ventilation device. One end of the support pipe is fixedly provided with a limiting frame, and the projection of the limiting frame and the inner cavity of the support pipe along the axial direction of the support pipe overlaps. And a ventilation hole A communicating the inside and outside of the support pipe is provided on the limiting frame. A support frame is arranged on the side of the support pipe away from the limiting frame, and the projection of the support frame and the inner cavity of the support pipe along the axial direction of the support pipe overlaps. And a ventilation hole B communicating the inside and outside of the support pipe is provided on the limiting frame. A cavity for placing the filter element is formed between the limiting frame and the support frame in the support pipe. The filter element is fixedly installed on the air inlet or outlet of the ventilation device through the support pipe, the limiting frame and the support frame, so as to facilitate timely replacement of the filter element according to needs.

[0006] As an optimization, the outer diameter of the support frame is adapted to the inner diameter of the support pipe, and the support frame is slidably arranged in the support pipe along the axial direction of the support pipe. The distance between the limiting frame and the support frame is adjusted by the support frame sliding along the axial direction of the support pipe, so as to place filter elements of different sizes in the support pipe.

[0007] As an optimization, a limiting tube extending along the axial direction of the support tube is fixedly arranged on the support frame, and the outer diameter of the limiting tube is adapted to the inner diameter of the support tube; the limiting tube is used to prevent the support frame from tilting during the sliding process.

[0008] As an optimization, a long hole extending along the axial direction of the support tube is formed on the support tube, and a through hole corresponding to the long hole is formed on the support frame; the support tube is fixedly connected to the support frame through a bolt sequentially passing through the long hole and the through hole; the support frame is fixedly connected to different positions of the support tube through the long hole, the through hole and the bolt, preventing the support frame from loosening.

[0009] As an optimization, the long holes are sequentially and evenly arranged around the axis of the support tube; the support frame is stably fixedly connected to the support tube through the long holes sequentially and evenly arranged around the axis of the support tube.

[0010] As an optimization, hollow holes are sequentially arranged along the circumferential direction of the support tube; the hollow holes are used to reduce the material for producing the support tube and save costs.

[0011] The beneficial effects of the present utility model are as follows: the filter element is fixedly installed on the air inlet or air outlet of the ventilation device through the support tube, the limiting frame and the support frame, which is convenient for replacing the filter element in time according to requirements; the distance between the limiting frame and the support frame is adjusted by the support frame sliding along the axial direction of the support tube, so as to place filter elements of different sizes on the support tube; the limiting tube is used to prevent the support frame from tilting during the sliding process; the support tube fixedly connects the support frame through a bolt sequentially passing through the long hole and the through hole; the support frame is fixedly connected to different positions of the support tube through the long hole, the through hole and the bolt, preventing the support frame from loosening; the support frame is stably fixedly connected to the support tube through the long holes sequentially and evenly arranged around the axis of the support tube; the hollow holes are used to reduce the material for producing the support tube and save costs. Description of the Drawings

[0012] Figure 1 is a schematic structural diagram of the present utility model;

[0013] Figure 2 is a sectional view of the utility model in the use state;

[0014] As shown in the figure:

[0015] 1. Ventilation device, 2. Ventilation pipe, 3. Support tube, 4. Limiting frame, 5. Support frame, 6. Filter element, 7. Limiting tube, 8. Bolt, 9. Nut, 301. Long hole, 302. Groove, 303. Hollow hole, 401. Ventilation hole A, 501. Ventilation hole B, 701. Through hole. Detailed Embodiments

[0016] In order to clearly illustrate the technical features of the present solution, the present solution will be described below through specific embodiments.

[0017] As Figure 1 and Figure 2 shown, the fixing device for installing a filter element on a ventilation device of the present utility model includes a support pipe 3 communicated with the air inlet or air outlet of the ventilation device 1. One end of the support pipe 3 is fixedly provided with a limit frame 4. The projection of the limit frame 4 and the inner cavity of the support pipe 3 along the axial direction of the support pipe 3 overlaps, and a ventilation hole A401 communicating the inside and outside of the support pipe 3 is provided on the limit frame 4; on the side of the support pipe 3 away from the limit frame 4, there is a support frame 5. The projection of the support frame 5 and the inner cavity of the support pipe 3 along the axial direction of the support pipe 3 overlaps, and a ventilation hole B501 communicating the inside and outside of the support pipe 3 is provided on the limit frame 4; a cavity for placing the filter element 6 is formed between the limit frame 4 and the support frame 5 in the support pipe 3.

[0018] The limit frame 4 and the support frame 5 are respectively perpendicular to the axis of the support pipe 3, and the support pipe 3 is a circular pipe structure; the limit frame 4 and the support frame 5 are a net structure centered on the axis of the limit pipe 7; the air inlet of the ventilation device 1 is communicated with a ventilation pipe 2. The support pipe 3 is arranged at the end of the ventilation pipe 2 away from the ventilation device 1, and the support pipe 3 is located inside the pipeline of the ventilation pipe 2. The outer wall of the support pipe 3 is attached to the inner wall of the ventilation pipe 2. One end of the support pipe 3 provided with the limit frame 4 is located on the side close to the ventilation device 1; the ventilation device 1 is a prior art and devices such as a fan can be adopted; the support pipe 3 and the ventilation pipe 2 can be made of a transparent material to facilitate observing the usage condition of the filter element 6 in the support pipe 3 in time; the filter element 6 includes two layers of filter materials, namely PP cotton and meltblown cloth, arranged in sequence along the axial direction of the support pipe 3, or only a single layer of filter material, or multiple filter materials arranged in sequence along the axial direction of the support pipe 3, and the meltblown cloth is located on the side close to the ventilation device 1; the edge of the filter element 6 is attached to the inner wall of the support pipe 3.

[0019] The air inlet of the ventilation device 1 is communicated with the ventilation pipe 2; the filter element 6 is placed in the support pipe 3. The side of the filter element 6 close to the limit frame 4 is attached to the limit frame 4, and the edge of the filter element 6 is attached to the inner wall of the support pipe 3; the support frame 5 is installed on the side of the support pipe 3 away from the limit frame 4. The side of the filter element 6 close to the support frame 5 is attached to the support frame 5, and the installation of the filter element 6 is completed; the support pipe 3 is installed in the ventilation pipe 2 at the end of the ventilation pipe 2 away from the ventilation device 1, and one end of the support pipe 3 provided with the limit frame 4 is located on the side close to the ventilation device 1; the ventilation device 1 is started, and air enters the support pipe 3 and sequentially passes through the support frame 5, the filter element 6 and the limit frame 4 and then enters the ventilation pipe 2, and enters the ventilation device 1 through the ventilation pipe 2; when the filter element 6 needs to be replaced, the support pipe 3 is taken out from the ventilation pipe 2, the support frame 5 is removed, a new filter element 6 is replaced and the support frame 5 is reinstalled on the support pipe 3, and then the support pipe 3 is placed into the ventilation pipe 2.

[0020] As Figure 1and Figure 2 The outer diameter of the support frame 5 shown is adapted to the inner diameter of the support tube 3, and the support frame 5 is axially slidably arranged in the support tube 3 along the axial direction of the support tube 3.

[0021] Place the filter element 6 in the support tube 3, and the side of the filter element 6 close to the limit frame 4 is arranged in contact with the limit frame 4; then place the support frame 5 into the support tube 3 and push the support frame 5 along the axial direction of the support tube 3 towards the limit frame 4 until the support frame 5 is arranged in contact with the side of the filter element 6 close to the support frame 5, and stop pushing the support frame 5.

[0022] As Figure 1 and Figure 2 As shown, a limit tube 7 extending along the axial direction of the support tube 3 is fixedly arranged on the support frame 5, and the outer diameter of the limit tube 7 is adapted to the inner diameter of the support tube 3; the support frame 5 is fixedly connected to the side of the limit tube 7 close to the limit frame 4.

[0023] Place the support frame 5 and the limit tube 7 into the support tube 3, and the side of the limit tube 7 where the support frame 5 is fixedly connected is located on the side close to the limit frame 4; push the support frame 5 and the limit tube 7 along the axial direction of the support tube 3 towards the limit frame 4 until the support frame 5 is arranged in contact with the side of the filter element 6 close to the support frame 5, and stop pushing the support frame 5.

[0024] As Figure 1 As shown, a long hole 301 extending along the axial direction of the support tube 3 is provided on the support tube 3, and a through hole 701 corresponding to the long hole 301 is provided on the support frame 5; the support tube 3 is fixedly connected to the support frame 5 by a bolt 8 that sequentially passes through the long hole 301 and the through hole 701; the through hole 701 is located on the limit tube 7; a groove 302 surrounding the long hole 301 is provided on the outer wall of the support tube 3, the long hole 301 is communicated with the groove 302, and the long hole 301 is located at the bottom of the groove 302; the screw rod of the bolt 8 is respectively adapted to the width of the long hole 301 and the aperture of the through hole 701, and the length of the part of the screw rod adapted to the long hole 301 is less than or equal to the wall thickness of the support tube 3 minus the depth of the groove 302, the thickness of the head of the bolt 8 is less than or equal to the depth of the groove 302, and the bolt 8 sequentially passes through the long hole 301 and the through hole 701 and the bolt 8 is tightened by a nut 9 to support the support tube 3 and the limit tube 7.

[0025] After the support frame 5 and the limit tube 7 stop moving in the support tube 3, the bolt 8 sequentially passes through the long hole 301 and the through hole 701 and fixedly connects the limit tube 7 to the support tube 3, and the support frame 5 is fixedly connected to the support tube 3.

[0026] As Figure 1 As shown, the long holes 301 are sequentially and evenly arranged around the axis of the support tube 3.

[0027] After the support frame 5 and the limiting pipe 7 stop moving within the support pipe 3, the bolts 8 sequentially pass through the corresponding long holes 301 and through holes 701 respectively and fix multiple parts of the limiting pipe 7 on the support pipe 3, and the support frame 5 is fixedly connected to the support pipe 3.

[0028] As Figure 1 shown, the support pipe 3 is provided with hollow holes 303 arranged in sequence along the circumferential direction of the support pipe 3.

[0029] In the actual production process, the air inlet of the ventilation device 1 is communicated with the ventilation pipe 2; the filter element 6 is placed in the support pipe 3, one side of the filter element 6 close to the limiting frame 4 is arranged in a fitting manner with the limiting frame 4, and the edge of the filter element 6 is arranged in a fitting manner with the inner wall of the support pipe 3; the support frame 5 and the limiting pipe 7 are placed into the support pipe 3, and the side of the limiting pipe 7 where the support frame 5 is fixedly connected is located on the side close to the limiting frame 4; the support frame 5 and the limiting pipe 7 are pushed along the axial direction of the support pipe 3 towards the direction of the limiting frame 4 until the support frame 5 is arranged in a fitting manner with one side of the filter element 6 close to the support frame 5, and the pushing of the support frame 5 is stopped; after the support frame 5 and the limiting pipe 7 stop moving within the support pipe 3, the bolts 8 sequentially pass through the corresponding long holes 301 and through holes 701 respectively and fix multiple parts of the limiting pipe 7 on the support pipe 3, and the support frame 5 is fixedly connected to the support pipe 3, completing the installation of the filter element 6; the support pipe 3 is installed in the ventilation pipe 2 at one end of the ventilation pipe 2 far from the ventilation device 1, and the end of the support pipe 3 where the limiting frame 4 is provided is located on the side close to the ventilation device 1.

[0030] When the ventilation device 1 is started, air enters the support pipe 3 and sequentially passes through the support frame 5, the filter element 6 and the limiting frame 4 and enters the ventilation pipe 2, and then enters the ventilation device 1 through the ventilation pipe 2; when the filter element 6 needs to be replaced, the support pipe 3 is taken out from the ventilation pipe 2, the bolts 8 are removed one by one and the support frame 5 and the limiting pipe 7 are taken out from the support pipe 3; a new filter element 6 is replaced and the support frame 5 and the limiting pipe 7 are reinstalled in the support pipe 3, and then the support pipe 3 is placed into the ventilation pipe 2.

[0031] Certainly, the above description is not limited to the above examples. The technical features not described in the present utility model can be realized by or adopted from the prior art, and will not be elaborated here; the above embodiments and the drawings are only used to illustrate the technical solutions of the present utility model and are not a limitation to the present utility model. The present utility model has been described in detail with reference to the preferred embodiments. Those of ordinary skill in the art should understand that any changes, modifications, additions or substitutions made by those of ordinary skill in the art within the scope of the essence of the present utility model do not depart from the purpose of the present utility model and should also fall within the scope of the claims of the present utility model.

Claims

1. A fixing device for installing a filter element on a ventilation device, characterized in that: It includes a support pipe (3) connected to the air inlet or air outlet of the ventilation device (1). One end of the support pipe (3) is fixedly provided with a limit frame (4). The projection of the limit frame (4) and the inner cavity of the support pipe (3) along the axial direction of the support pipe (3) overlaps, and a ventilation hole A (401) communicating the inside and outside of the support pipe (3) is provided on the limit frame (4); on the side of the support pipe (3) away from the limit frame (4), there is a support frame (5). The projection of the support frame (5) and the inner cavity of the support pipe (3) along the axial direction of the support pipe (3) overlaps, and a ventilation hole B (501) communicating the inside and outside of the support pipe (3) is provided on the limit frame (4); a cavity for placing a filter element (6) is formed between the limit frame (4) and the support frame (5) inside the support pipe (3).

2. The fixing device for installing a filter element on a ventilation device according to claim 1, characterized in that: The outer diameter of the support frame (5) is adapted to the inner diameter of the support pipe (3), and the support frame (5) is slidably arranged inside the support pipe (3) along the axial direction of the support pipe (3).

3. The fixing device for installing a filter element on a ventilation device according to claim 2, characterized in that: A limit pipe (7) extending along the axial direction of the support pipe (3) is fixedly provided on the support frame (5), and the outer diameter of the limit pipe (7) is adapted to the inner diameter of the support pipe (3).

4. The fixing device for installing a filter element on a ventilation device according to claim 2, characterized in that: A long hole (301) extending along the axial direction of the support pipe (3) is provided on the support pipe (3), and a through hole (701) corresponding to the long hole (301) is provided on the support frame (5); the support pipe (3) is fixedly connected to the support frame (5) by a bolt (8) sequentially passing through the long hole (301) and the through hole (701).

5. The fixing device for installing a filter element on a ventilation device according to claim 4, characterized in that: The long holes (301) are sequentially and evenly arranged around the axis of the support pipe (3).

6. The fixing device for installing a filter element on a ventilation device according to claim 1, characterized in that: Hollow holes (303) are provided on the support pipe (3) and arranged sequentially along the circumferential direction of the support pipe (3).

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