Air purification structure for sterile food processing workshop

By installing a removable filter plate at the air inlet of the ventilation duct and using a rotating mechanism to seal the air inlet, the problem of gas pollution after the filter device is disassembled is solved, and the purification effect of the sterile workshop is achieved.

CN223709832UActive Publication Date: 2025-12-23HEFEI XINYANG FOOD CO LTD
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Patent Information

Application Number
CN202520014306.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-04
Publication Date
2025-12-23
Estimated Expiration
2035-01-04

AI Technical Summary

Technical Problem

After the filter is removed, the air inlet of the ventilation system is open, and untreated gas can easily enter the ventilation system, causing pollution.

Method used

A removable filter plate is installed at the air inlet of the ventilation duct, and a rotating mechanism is used to drive the rotating plate to seal the air inlet, preventing unfiltered gas from entering the ventilation duct.

Benefits of technology

It effectively prevents unfiltered gas from entering the ventilation system, maintains the purification effect, and avoids pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of air purification devices, and discloses a food processing sterile workshop air purification structure which comprises a ventilation pipeline, a filter plate is detachably mounted at an air inlet of the ventilation pipeline, a rotating shaft is rotatably mounted on the side, close to the air inlet, of the interior of the ventilation pipeline, and a rotating plate is fixedly connected to the outer surface of the rotating shaft; a groove body is formed in the ventilation pipeline bottom plate, the lower end of the rotating shaft extends into the groove body and is provided with a rotating mechanism, when the filter plate is detached, the rotating mechanism drives the rotating plate to block an air inlet of the ventilation pipeline, the rotating mechanism comprises a connecting plate fixedly installed at the lower end of the rotating shaft, and the outer surface of the rotating shaft is sleeved with a torsional spring. The rotating mechanism is matched with the rotating plate for use, and after the filter plate is detached, the rotating mechanism can drive the rotating shaft and the rotating plate to rotate, so that the rotating plate can block the air inlet of the ventilation pipeline, and unfiltered gas is prevented from entering the ventilation pipeline.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of air purification devices, in particular to an air purification structure for a food processing sterile workshop. BACKGROUND

[0002] The food processing sterile workshop refers to a facility for purifying, decontaminating, disinfecting and sterilizing food to ensure food hygiene and safety. The purification effect of the food purification workshop mainly depends on the number of microorganisms in the air, and the clean area is generally required to be dust-free, sterile and odor-free. At present, a filter device is usually installed at the air inlet of the ventilation system of the food purification workshop to remove dust in the airflow inside the ventilation system. However, the filter device needs to be disassembled and cleaned regularly. After the filter device is disassembled, the air inlet of the ventilation system is open, and untreated gas is easy to enter the inside of the ventilation system, causing pollution. Therefore, the application provides an air purification structure for a food processing sterile workshop. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the problem that after the filter device is disassembled, the air inlet of the ventilation system is open, and untreated gas is easy to enter the inside of the ventilation system, causing pollution, the application provides an air purification structure for a food processing sterile workshop.

[0004] The application provides an air purification structure for a food processing sterile workshop, which adopts the following technical scheme:

[0005] An air purification structure for a food processing sterile workshop, comprising a ventilation duct, a filter plate being detachably installed at the air inlet of the ventilation duct, a rotating shaft being rotatably installed on one side of the ventilation duct close to the air inlet, a rotating plate being fixedly connected to the outer surface of the rotating shaft, a groove being formed in the bottom plate of the ventilation duct, and a rotating mechanism being arranged in the groove and extending from the lower end of the rotating shaft to the inside of the groove. When the filter plate is disassembled, the rotating mechanism drives the rotating plate to block the air inlet of the ventilation duct.

[0006] Preferably, the rotating mechanism comprises a connecting plate fixedly installed at the lower end of the rotating shaft, a torsional spring sleeved on the outer surface of the rotating shaft, one end of the torsional spring being fixedly connected to the upper surface of the groove, and the lower end of the torsional spring being fixedly connected to the connecting plate. A push plate is fixedly connected to the bottom of the filter plate. When the filter plate is installed, the push plate can drive the connecting plate to rotate.

[0007] Preferably, a backing plate is fixedly connected to the side of the ventilation duct away from the rotating shaft. When the rotating plate blocks the ventilation duct, the rotating plate is placed on the surface of the backing plate.

[0008] Preferably, a positioning block is fixedly connected to one side of the outer surface of the filter plate, a positioning groove is formed in the outer surface of the ventilation duct and matched with the positioning block, and the positioning block is fitted and installed in the inside of the positioning groove.

[0009] Preferably, the filter plate outer surface four corners are inserted with fixing bolts, the fixing bolts can be detachably installed on the outer surface of the ventilation duct.

[0010] In summary, the present application includes the following beneficial technical effects:

[0011] The utility model discloses a rotating mechanism and rotating plate cooperate to use, after filter plate dismounts, rotating mechanism can drive the rotation of rotating shaft and rotating plate, makes rotating plate be able to block the air inlet of ventilation duct, prevents the gas that has not passed through the filtration from entering the inside of ventilation duct. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic diagram of the whole of application embodiment;

[0013] Figure 2 It is the sectional view of application embodiment;

[0014] Figure 3 It is the structure schematic diagram of filter plate of application embodiment;

[0015] Figure 4 It is application embodiment Figure 1 The enlarged view of A in application embodiment.

[0016] Mark explanation: 1, ventilation duct;2, filter plate;3, fixed bolt;4, groove;5, push plate;6, positioning block;7, backing plate;8, rotating plate;9, rotating shaft;10, torsional spring;11, connecting plate. DETAILED DESCRIPTION

[0017] The following will be combined with the Figures 1-4 The application is further described in detail.

[0018] The embodiment of the application discloses a kind of air purification structures of food processing sterile workshop, including ventilation duct 1, the air inlet of ventilation duct 1 is detachably installed with filter plate 2, rotatingly installed with rotating shaft 9 in the side of ventilation duct 1 inside close to air inlet, rotating shaft 9 outer surface is fixedly connected with rotating plate 8, groove 4 is opened in ventilation duct 1 bottom plate, the lower end of rotating shaft 9 extends to the inside of groove 4 and is provided with rotating mechanism, when filter plate 2 is dismounted, rotating mechanism drives rotating plate 8 to block the air inlet of ventilation duct 1.

[0019] Further, the outer surface of filter plate 2 four corners are inserted with fixed bolt 3, fixed bolt 3 can be detachably installed on the outer surface of ventilation duct 1.

[0020] In the embodiment, the filter plate 2 is installed at the air inlet of the ventilation duct 1, so that the gas passing through the inside of the ventilation duct 1 can be filtered, and the ventilation effect is improved; in addition, the filter plate 2 needs to be disassembled and cleaned after being used for a period of time, and the rotating mechanism is used in cooperation with the rotating plate 8, so that the rotating mechanism can drive the rotating shaft 9 and the rotating plate 8 to rotate after the filter plate 2 is disassembled, and the rotating plate 8 can block the air inlet of the ventilation duct 1, so as to prevent the unfiltered gas from entering the inside of the ventilation duct 1.

[0021] Further, the rotating mechanism comprises a connecting plate 11 fixedly installed at the lower end of the rotating shaft 9, the outer surface of the rotating shaft 9 is sleeved with a torsion spring 10, one end of the torsion spring 10 is fixedly connected with the upper surface of the groove body 4, and the lower end of the torsion spring 10 is fixedly connected with the connecting plate 11; the filter plate 2 is fixedly connected with a push plate 5 at the bottom, and the push plate 5 can drive the connecting plate 11 to rotate when the filter plate 2 is installed.

[0022] In the embodiment, when the filter plate 2 is installed at the air inlet of the ventilation duct 1, the push plate 5 on the filter plate 2 can push the connecting plate 11, the connecting plate 11, the rotating shaft 9 and the rotating plate 8 rotate, and the torsion spring 10 elastically deforms, so that the rotating plate 8 does not block the air inlet of the ventilation duct 1, and the ventilation duct 1 can be normally ventilated; after the filter plate 2 is disassembled, the push plate 5 is separated from the connecting plate 11, the torsion spring 10 is reset, so as to drive the connecting plate 11, the rotating shaft 9 and the rotating plate 8 to rotate back, and the rotating plate 8 can block the air inlet of the ventilation duct 1.

[0023] Further, the inner surface of the ventilation duct 1 away from the rotating shaft 9 is fixedly connected with a backing plate 7, and the rotating plate 8 is arranged on the surface of the backing plate 7 when the rotating plate 8 blocks the ventilation duct 1.

[0024] In the embodiment, in actual use, the width of the rotating plate 8 should be smaller than the internal size of the ventilation duct 1, so that the rotating plate 8 can be freely rotated, and the gap between the rotating plate 8 and the inner wall of the ventilation duct 1 can be blocked by the backing plate 7 when the rotating plate 8 blocks the ventilation duct 1.

[0025] Further, the outer surface of the filter plate 2 is fixedly connected with a positioning block 6, the outer surface of the ventilation duct 1 is provided with a positioning groove matched with the positioning block 6, and the positioning block 6 is fitted and installed in the positioning groove.

[0026] In the embodiment, the positioning block 6 and the positioning groove are arranged, so that the push plate 5 on the filter plate 2 can be aligned with the connecting plate 11 when the filter plate 2 is installed.

[0027] Finally should be explained a few points are: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0028] Second: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other;

[0029] Finally: the above only for the preferred embodiment of the utility model has, and does not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

[0030] The above are the preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application, should be covered within the scope of protection of the present application.

Claims

1. An air purification structure for a food processing aseptic plant comprising a ventilation duct (1), characterized in that, The air inlet of the ventilation pipeline (1) is detachably installed with a filter plate (2), one side of the ventilation pipeline (1) near the air inlet is rotatably installed with a rotating shaft (9), the outer surface of the rotating shaft (9) is fixedly connected with a rotating plate (8), a groove (4) is formed in the bottom plate of the ventilation pipeline (1), the lower end of the rotating shaft (9) extends into the groove (4) and is provided with a rotating mechanism, when the filter plate (2) is detached, the rotating mechanism drives the rotating plate (8) to block the air inlet of the ventilation pipeline (1).

2. The air purification structure for a food processing aseptic plant according to claim 1, wherein The rotating mechanism comprises a connecting plate (11) fixedly installed at the lower end of the rotating shaft (9), a torsional spring (10) is sleeved on the outer surface of the rotating shaft (9), one end of the torsional spring (10) is fixedly connected with the upper surface of the groove (4), the lower end of the torsional spring (10) is fixedly connected with the connecting plate (11), the bottom of the filter plate (2) is fixedly connected with a push plate (5), when the filter plate (2) is installed, the push plate (5) can drive the connecting plate (11) to rotate.

3. The air purification structure for a food processing aseptic plant according to claim 2, characterized by, The inner surface of the ventilation pipeline (1) away from the rotating shaft (9) is fixedly connected with a backing plate (7), when the rotating plate (8) blocks the ventilation pipeline (1), the rotating plate (8) is placed on the surface of the backing plate (7).

4. The air purification structure for a food processing aseptic plant according to claim 3, wherein The outer surface of the filter plate (2) is fixedly connected with a positioning block (6), the outer surface of the ventilation pipeline (1) is formed with a positioning groove matched with the positioning block (6), and the positioning block (6) is fitted and installed in the positioning groove.

5. The air purification structure for a food processing aseptic plant according to claim 4, wherein The outer surface of the filter plate (2) is fixedly connected with a positioning block (6), the outer surface of the ventilation pipeline (1) is formed with a positioning groove matched with the positioning block (6), and the positioning block (6) is fitted and installed in the positioning groove. The outer surface of the filter plate (2) is fixedly connected with a positioning block (6), the outer surface of the ventilation pipeline (1) is formed with a positioning groove matched with the positioning block (6), and the positioning block (6) is fitted and installed in the positioning groove.