Air outlet filter screen structure of ventilation air conditioner

Abstract

The utility model relates to the technical field of ventilation air conditioners, in particular to an air outlet filter screen structure of a ventilation air conditioner, which comprises a fixing frame, a filter screen is arranged on the inner side of the fixing frame, an arc block is fixedly mounted at the bottom of the filter screen, and a rotary drum is rotatably connected in the fixing frame. A first limiting block, a first sliding block, a clamping block and a rotating block are fixedly mounted on the surface of the rotating cylinder, a second limiting block is slidably connected to the surface of the rotating cylinder, and a fixing block is fixedly mounted at the top of the rotating cylinder. By arranging a rotating cylinder, a first limiting block, a second limiting block, a connecting block, a first spring, a pull rod, a fixing block, a first sliding block, a clamping block, a rotating block and an arc block, an operator pulls out the pull rod and then rotates the pull rod to rotate the filter screen out of the fixing frame, the interior and exterior of the filter screen are rapidly cleaned, and the filter screen does not need to be detached for cleaning; and the filter effect and the service life of the filter screen are prevented from being influenced by deformation, damage or infirm installation of the filter screen caused by improper operation of operators.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation and air conditioning, in particular to an air outlet filter structure of a ventilation and air conditioning. Background Art

[0002] The air outlet filter of ventilation and air conditioning is an indispensable and important component in the air conditioning system. It mainly undertakes multiple key roles. The air outlet filter plays a positive role in improving air quality. It can reduce the odor and bacteria content in the air to a certain extent, creating a healthier and more comfortable indoor environment for people. In order to ensure the normal operation and good performance of the filter, it is necessary to check and clean it regularly. Depending on the use environment and the operating time of the air conditioner, it usually needs to be replaced every 3-6 months. In a severely polluted environment, the replacement frequency may be higher. Announcement No.: CN218645759U discloses a filter for the air outlet of an air conditioner, which relates to the field of air outlet filter technology, including a filter fixing net, a plurality of air guide plates are evenly spaced at one end of the interior of the filter fixing net, and the two ends of the air guide plates are connected to the two ends of the interior of the filter fixing net through bearings, a filter mounting frame is provided at the other end of the interior of the filter fixing net, and a filter body is installed inside the filter mounting frame. The utility model utilizes the presence of the insertion rod, and under the elastic action of the first spring block, the insertion rod can be stably stuck in the inside of the slot, thereby realizing the installation of the filter mounting frame. Then, by utilizing the presence of the push rod, the movement of the push rod can drive the connecting block to move, so that the insertion rod is disengaged from the inside of the slot, thereby realizing the disassembly of the filter mounting frame, facilitating the subsequent cleaning of the filter body by the device, thereby ensuring the filtration stability of the device. However, the above-mentioned utility model needs to remove the filter each time the filter is cleaned. Non-professionals are prone to improper operation during the disassembly and installation process, which may cause the filter to be deformed, damaged or not installed firmly, thereby affecting its filtering effect and service life. Improvement is needed. Utility Model Content

[0003] The purpose of this utility model is to solve the technical problems raised in the above background technology.

[0004] The utility model adopts the following technical solution: an air outlet filter structure of a ventilation and air conditioning, comprising a fixed frame, a filter is arranged on the inner side of the fixed frame, an arc block is fixedly installed on the bottom of the filter, a rotating drum is rotatably connected to the inside of the fixed frame, a first limit block, a first slider, a clamping block and a rotating block are fixedly installed on the surface of the rotating drum, a second limit block is slidably connected to the surface of the rotating drum, a fixed block is fixedly installed on the top of the rotating drum, a connecting block is slidably connected to the inside of the rotating drum, and a pull rod and a first spring are fixedly installed on the top of the connecting block.

[0005] Preferably, the first limit block is engaged with the second limit block, the second limit block passes through the rotating drum and is fixed to the connecting block, and the pull rod is slidably connected to the rotating drum by the first spring. Here, the pull rod and the first limit block are connected together by a connecting plate, so that the operator can pull the pull rod to separate the first limit block from the second limit block, allowing the operator to easily rotate the filter screen and clean the inside and outside of the filter screen without having to disassemble it for cleaning, thereby preventing the operator from deforming, damaging, or loosely installing the filter screen due to improper operation, thereby affecting its filtering effect and service life.

[0006] Preferably, the position of the arc block corresponds to the position of the rotating block, and the arc block is made of natural rubber. Here, after the clamping block is rotated out of the filter screen, the rotating block contacts the arc block, thereby pushing one side of the filter screen out of the fixing frame, eliminating the need for manual removal of the filter screen, reducing the difficulty of operation and saving the operator's physical strength.

[0007] Preferably, the end of the first spring away from the connecting block is fixed to the fixed block, and the first slider is slidably connected to the fixed block. Here, the connecting block and the fixed block are connected together by the first spring. After the operator releases the pull rod, the connecting block can return to its original position with the first limiting block and engage with the second limiting block, thereby allowing the operator to quickly limit the position of the rotating drum, preventing the rotating drum from rotating automatically and causing the filter screen to rotate out of the fixed plate during operation, thereby affecting the filtration effect and service life.

[0008] Preferably, the pull rod is T-shaped, and the first spring is sleeved on the surface of the pull rod. Here, the operator can quickly pull out the pull rod through the T-shaped pull rod, thereby quickly separating the first limit block and the second limit block, allowing the operator to easily rotate the filter out of the fixing frame, reducing the difficulty of operation and saving the operator's time and physical effort.

[0009] Preferably, the surface of the fixing bracket is provided with a slide groove, a second slider is slidably connected to the interior of the slide groove, a second spring is fixedly mounted on the surface of the second slider, a limit plate is fixedly mounted on the side of the second slider away from the second spring, a pull ring is fixedly mounted on the surface of the second slider, a fixing rod is fixedly mounted on the surface of the fixing bracket, and a rotating shaft is rotatably connected to the interior of the fixing bracket. Here, the provision of the second slider, second spring, limit plate, pull ring, and fixing rod enables an operator to quickly disengage the limit plate from the rotating shaft using the pull ring, thereby quickly removing the filter screen and facilitating replacement of damaged filters.

[0010] Preferably, the rotating shaft extends through the filter screen, the end of the second spring distal from the second slider is fixed to the fixing frame, and the position of the stop plate corresponds to the rotating shaft. Here, the stop plate secures the rotating shaft within the fixing frame, and the stop plate cannot automatically separate from the rotating shaft when the second spring is provided, thereby improving the stability of the device and preventing the filter screen from falling off.

[0011] Compared with the prior art, the advantages and positive effects of the present invention are:

[0012] 1. In the utility model, by arranging a rotating drum, a first limit block, a second limit block, a connecting block, a first spring, a pull rod, a fixed block, a first slider, a clamping block, a rotating block, and an arc block, the operator can pull out the pull rod and rotate it to rotate the filter out of the fixed frame, and quickly clean the inside and outside of the filter without having to disassemble it for cleaning, thereby avoiding deformation, damage or loose installation of the filter due to improper operation by the operator, thereby affecting its filtering effect and service life.

[0013] 2. In the present invention, by providing a second slider, a second spring, a limit plate, a pull ring and a fixing rod, the operator can quickly separate the limit plate from the rotating shaft through the pull ring, thereby quickly removing the filter screen, making it convenient for the operator to replace the damaged filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of an air outlet filter structure for ventilation and air conditioning proposed by the utility model;

[0015] Figure 2 This is a cross-sectional view of an air outlet filter structure for ventilation and air conditioning proposed by the utility model;

[0016] Figure 3 This is a bottom view of an air outlet filter structure for ventilation and air conditioning proposed by the utility model;

[0017] Figure 4 This is a cross-sectional view of a rotary drum of an air outlet filter structure for ventilation and air conditioning proposed in the utility model;

[0018] Figure 5 This is a cross-sectional view of a fixing frame for an air outlet filter structure of a ventilation and air conditioning device proposed in the utility model;

[0019] Figure 6 The utility model provides a schematic diagram of the movement of a limit plate of an air outlet filter structure of a ventilation and air conditioning.

[0020] Legend:

[0021] 1. Fixed frame; 2. Filter screen; 3. Rotating drum; 4. First limit block; 5. Second limit block; 6. Connecting block; 7. First spring; 8. Pull rod; 9. Fixed block; 10. First slider; 11. Clamping block; 12. Rotating block; 13. Arc block; 14. Slide; 15. Second slider; 16. Second spring; 17. Limit plate; 18. Pull ring; 19. Fixed rod; 20. Rotating shaft. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0024] Example 1

[0025] See also Figure 1-5The utility model provides a technical solution: an air outlet filter 2 structure of a ventilation and air conditioning, comprising a fixing frame 1, a filter 2 is provided on the inner side of the fixing frame 1, a circular arc block 13 is fixedly installed on the bottom of the filter 2, a rotating drum 3 is rotatably connected to the inside of the fixing frame 1, a first limiting block 4, a first sliding block 10, a clamping block 11 and a rotating block 12 are fixedly installed on the surface of the rotating drum 3, a second limiting block 5 is slidably connected to the surface of the rotating drum 3, a fixed block 9 is fixedly installed on the top of the rotating drum 3, a connecting block 6 is slidably connected to the inside of the rotating drum 3, a pull rod 8 and a first spring are fixedly installed on the top of the connecting block 6 Spring 7, the first limit block 4 is engaged with the second limit block 5, the second limit block 5 passes through the drum 3 and is fixed with the connecting block 6, the pull rod 8 is slidably connected to the drum 3 with the first spring 7, and the pull rod 8 and the first limit block 4 are connected together through the connecting plate, so that the operator can pull the pull rod 8 to separate the first limit block 4 from the second limit block 5, so that the operator can easily rotate the filter screen 2 and clean the inside and outside of the filter screen 2 without disassembling it for cleaning, avoiding deformation, damage or loose installation of the filter screen 2 due to improper operation by the operator, thereby affecting its filtering effect and service life, the arc block The position of 13 corresponds to the position of the rotating block 12. The material of the arc block 13 is natural rubber. After the card block 11 is rotated out of the filter screen 2, the rotating block 12 just contacts the arc block 13, thereby pushing one side of the filter screen 2 out of the fixing frame 1. There is no need to manually pick out the filter screen 2, which reduces the difficulty of operation and saves the operator's physical strength. The end of the first spring 7 away from the connecting block 6 is fixed to the fixing block 9, and the first slider 10 is slidably connected to the fixing block 9. The connecting block 6 and the fixing block 9 are connected together by the first spring 7. After the operator releases the pull rod 8, the connecting block 6 can carry the first limit block 4 It returns to its original position and engages with the second limit block 5, so that the operator can quickly limit the drum 3 to prevent the drum 3 from rotating on its own, causing the filter screen 2 to rotate out of the fixed plate during operation, thereby affecting the filtering effect and service life. The pull rod 8 is T-shaped, and the first spring 7 is sleeved on the surface of the pull rod 8. When using the T-shaped pull rod 8, the operator can quickly pull out the pull rod 8, thereby quickly separating the first limit block 4 and the second limit block 5, so that the operator can easily rotate the filter screen 2 out of the fixed frame 1, reducing the difficulty of operation and saving the operator's time and physical strength.

[0026] Example 2

[0027] See also Figure 5-6The surface of the fixed frame 1 is provided with a slide groove 14, the interior of the slide groove 14 is slidably connected to the second slider 15, the surface of the second slider 15 is fixedly installed with a second spring 16, the side of the second slider 15 away from the second spring 16 is fixedly installed with a limit plate 17, the surface of the second slider 15 is fixedly installed with a pull ring 18, the surface of the fixed frame 1 is fixedly installed with a fixed rod 19, the interior of the fixed frame 1 is rotatably connected with a rotating shaft 20, and the second slider 15, the second spring 16, the limit plate 17, the pull ring 18 and the fixed rod 19 are provided to enable the operator to The limit plate 17 can be quickly disengaged from the rotating shaft 20 by the pull ring 18, so that the filter 2 can be quickly taken out, which is convenient for the operator to replace the damaged filter 2. The rotating shaft 20 passes through the filter 2, and the end of the second spring 16 away from the second slider 15 is fixed to the fixing frame 1. The position of the limit plate 17 corresponds to the rotating shaft 20. The rotating shaft 20 is fixed to the inside of the fixing frame 1 by the limit plate 17, and when the second spring 16 is set, the limit plate 17 cannot be separated from the rotating shaft 20 by itself, which improves the stability of the device and avoids the problem of the filter 2 falling off.

[0028] Working principle: When the filter screen 2 needs to be cleaned, first pull the pull rod 8, and then the pull rod 8 drives the connecting block 6, the first spring 7, the second limit block 5 and the first slider 10 to slide, so that the second limit block 5 is separated from the first limit block 4. At this time, the first spring 7 is compressed, and then the pull rod 8 is rotated, so that the pull rod 8 drives the first slider 10 and the connecting block 6 to rotate. At the same time, the first slider 10 drives the fixed block 9 to rotate, thereby driving the rotating drum 3, the first spring 7 and the second limit block 5 to rotate. Then the rotating drum 3 drives the clamping block 11 and the rotating block 12 to rotate, so that the clamping block 11 Disengage from the filter screen 2, and at the same time, the rotating block 12 contacts the arc block 13. After the blocking block 11 moves out of the filter screen 2, the arc block 13 pushes the filter screen 2 out of the fixing frame 1. There is no need to manually pull out the filter screen 2. When the filter screen 2 needs to be removed, the second slider 15 is pulled by the pull ring 18 to make the limit plate 17 move away from the rotating shaft 20. At the same time, the second spring 16 is compressed, and then the pull ring 18 is put on the surface of the fixing rod 19. Repeat the operation twice, and then the rotating shaft 20 can be moved out of the fixing frame 1, thereby removing the filter screen 2, so that the operator can quickly replace the filter screen 2.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. An air outlet filter structure for ventilation and air conditioning, comprising a fixing frame (1), characterized in that: A filter screen (2) is provided on the inner side of the fixed frame (1), an arc block (13) is fixedly installed on the bottom of the filter screen (2), a rotating drum (3) is rotatably connected inside the fixed frame (1), a first limit block (4), a first slider (10), a clamping block (11) and a rotating block (12) are fixedly installed on the surface of the rotating drum (3), a second limit block (5) is slidably connected on the surface of the rotating drum (3), a fixed block (9) is fixedly installed on the top of the rotating drum (3), a connecting block (6) is slidably connected inside the rotating drum (3), and a pull rod (8) and a first spring (7) are fixedly installed on the top of the connecting block (6).

2. The air outlet filter structure of the ventilation and air conditioning according to claim 1, characterized in that: The first limiting block (4) is engaged with the second limiting block (5), the second limiting block (5) passes through the rotating drum (3) and is fixed to the connecting block (6), and the pull rod (8) is slidably connected to the rotating drum (3).

3. The air outlet filter structure of the ventilation and air conditioning according to claim 1, characterized in that: The position of the arc block (13) corresponds to the position of the rotating block (12), and the material of the arc block (13) is natural rubber.

4. The air outlet filter structure of the ventilation and air conditioning according to claim 1, characterized in that: One end of the first spring (7) away from the connecting block (6) is fixed to the fixing block (9), and the first sliding block (10) is slidably connected to the fixing block (9).

5. The air outlet filter structure of the ventilation and air conditioning according to claim 1, characterized in that: The pull rod (8) is in a T-shape, and the first spring (7) is sleeved on the surface of the pull rod (8).

6. The air outlet filter structure of the ventilation and air conditioning according to claim 1, characterized in that: A sliding groove (14) is provided on the surface of the fixing frame (1), a second slider (15) is slidably connected inside the sliding groove (14), a second spring (16) is fixedly installed on the surface of the second slider (15), a limiting plate (17) is fixedly installed on the side of the second slider (15) away from the second spring (16), a pull ring (18) is fixedly installed on the surface of the second slider (15), a fixing rod (19) is fixedly installed on the surface of the fixing frame (1), and a rotating shaft (20) is rotatably connected inside the fixing frame (1).

7. The air outlet filter structure of the ventilation and air conditioning according to claim 6, characterized in that: The rotating shaft (20) passes through the filter screen (2), the end of the second spring (16) away from the second slider (15) is fixed to the fixing frame (1), and the position of the limiting plate (17) corresponds to the rotating shaft (20).

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