Ventilation fan for pig farm

By introducing a small motor-driven cleaning device into the ventilation fan of the pig farm, the problem of low dust cleaning efficiency of the filter screen was solved, and efficient dust cleaning and air ventilation effects were achieved.

CN223979258UActive Publication Date: 2026-03-10LIAONING AGRI DEV SERVICE CENT
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

The dust cleaning efficiency and effectiveness of the filter screens of existing ventilation fans in pig farms are poor.

Method used

A structure including a small motor, an extension bracket, a square slide bar, a square locking bar, an arc-shaped lever, a locking nut, and a circular rotating block is designed. The small motor drives the square slide bar to rotate, which in turn drives the arc-shaped lever to clean the filter screen. The dust is then blown out by the airflow generated by the ventilation fan.

Benefits of technology

It improves the cleaning efficiency and effectiveness of the filter, ensures the quality of air ventilation, and avoids the impact of dust on air ventilation.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a pig farm ventilation fan, which particularly relates to the technical field of ventilation, and comprises a fan pipe main body, an installation fixing plate is arranged on one side of the outer end face of the fan pipe main body, an installation support is arranged on the lower side of the inner end face of the fan pipe main body, an expansion support is arranged on one side of the upper end of the installation support, and a ventilation fan main body is arranged at the upper end of the installation support. A small motor is arranged at the upper end of the expansion bracket; a square clamping groove is formed in an output shaft of the small motor, a square sliding rod penetrates through the middle of the filter plate, and a square clamping rod is arranged at one end of the square sliding rod. In actual use, under the corresponding arrangement state of the small motor, the expansion support, the square sliding rod, the square clamping rod, the arc-shaped shifting rod, the locking nut and the circular rotating block, the square sliding rod can be driven by the small motor to rotate, and when the square sliding rod rotates, the arc-shaped shifting rod can be driven to continuously clean the filter screen; therefore, the ventilation effect of the filter screen can be ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation technical field, concretely relates to a pig farm ventilation fan. BACKGROUND

[0002] The pig farm is the place for the scale feeding pig, in order to guarantee the cleanness of indoor air in the pig farm, usually needs to adopt the ventilation equipment and exports the air in the room to the outside, for example, the patent of the prior art announcement No. CN218736471U discloses a pig farm ventilation fan, the device is connected to the power supply, thereby providing power support for the device, when using, the fan body can be filtered through the filter screen, when the surface of the fixed block has more impurities, the first electric push rod is started through the control panel, the scraper block is driven on the surface of the filter screen downward through the first electric push rod, thereby the impurities on the surface of the filter screen are scraped off, then directly hang and fall into the inside of the leakage groove, the leakage groove is limited through the first blocking ring and the second blocking ring, thereby the leakage groove is limited between the storage box, and the impurities scraped off directly enter the inside of the storage box and are stored.

[0003] The above-mentioned device is used, only need to twist the rotating ring and twist the second adsorption net from the inner wall of the mounting ring, immediately the first adsorption net also can twist, improve the installation and removal effect of the first adsorption net and the second adsorption net, the functional of design is embodied, but the efficiency and effect of the dust cleaning on the surface of the filter screen are poor. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a pig farm ventilation fan, and the technical problems to be solved by the utility model are how to increase the efficiency and effect of the surface cleaning of the filter screen.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a pig farm ventilation fan, including the fan pipe main body, the outer end face of the fan pipe main body is provided with the mounting fixed plate on one side, the lower side of the inner end face of the fan pipe main body is provided with the mounting support, one side of the upper end of the mounting support is provided with the expansion support, the upper end of the mounting support is provided with the ventilation fan main body, and the upper end of the expansion support is provided with the small motor.

[0006] The output shaft of the small motor is provided with a square clamping groove, one side of the outer end face of the fan pipe main body is provided with the filter mounting plate, the inside of the filter mounting plate is provided with the filter plate, the middle part of the filter plate is provided with the square sliding rod in penetration, one end of the square sliding rod is provided with the square clamping rod, the outer end face of the square sliding rod is provided with the circular rotary block, the outer end face of the circular rotary block is provided with the arc-shaped push rod, and one side of the outer end face of the square sliding rod is provided with the locking nut.

[0007] In one preferred embodiment, one side of the outer end surface of the fan pipe body is provided with a fan pipe mounting cover plate, and the end surface of the mounting fixed plate and the fan pipe mounting cover plate is provided with locking bolts.

[0008] The fan pipe body is provided with a turnover cover plate at the end away from the fan pipe mounting cover plate.

[0009] In one preferred embodiment, the turnover cover plate is provided with a rotary connecting piece at the connection with the fan pipe body.

[0010] The turnover cover plate and the fan pipe body are provided with a connecting locking piece at the end away from the rotary connecting piece, and the inner end surface of the turnover cover plate is provided with a first guardrail net.

[0011] In one preferred embodiment, the inner end surface of the fan pipe mounting cover plate is provided with a second guardrail net, and the outer end surface of the mounting fixed plate and the fan pipe mounting cover plate in the front view direction is arranged in a coplanar state.

[0012] In one preferred embodiment, the cross section of the filter mounting plate in the right view direction is arranged in a concave state, and the outer end surface of the concave part of the filter mounting plate is matched with the inner end surface of the fan pipe body.

[0013] In one preferred embodiment, the filter plate is a metal material member, the end surface of the filter plate is provided with dense ventilation holes, and the cross section of the expansion support in the right view direction is arranged in an L shape.

[0014] In one preferred embodiment, the ventilation fan body and the small motor are both in an electrically connected state with an external control device, and the inner end surface of the square clamping groove is matched with the outer end surface of the square clamping rod.

[0015] In one preferred embodiment, the square sliding rod is rotatable inside the filter plate, the number of the circular rotating blocks is two, and the two are arranged in a mirror image state on both sides of the vertical central axis in the right view direction of the filter plate.

[0016] The outer end surface of the arc-shaped pulling rod is provided with a flexible brush on the side close to the filter plate, one side of the outer end surface of the flexible brush is attached to the filter plate, the number of the arc-shaped pulling rods is two, and the two are arranged in a rotation of 180° in the central end in the front view direction of the circular rotating block.

[0017] The utility model has the following advantages:

[0018] The utility model discloses a practical use, through the corresponding setting state of small -size motor, expansion support, square slide rod, square card pole, arc -shaped pole lever, locking nut and round rotary block, can drive square slide rod to rotate through small -size motor, when the direction slide rod rotates, will drive arc -shaped pole lever and can continuously clean filter screen, can guarantee the ventilation effect of filter screen, and locking nut can conveniently disassemble round rotary block, increase the convenience of arc -shaped pole lever cleaning disassembly, increase the effect of filter screen cleaning simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawing needed to be used in the embodiment or the prior art description. Obviously, the drawing in the following description is only exemplary, and for those skilled in the art, other implementation drawings can be obtained according to the provided drawings without creating labor.

[0020] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification, for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions that the utility model can be implemented, so they do not have technical substantive significance, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that the utility model can produce, should still fall within the scope covered by the technical content disclosed by the utility model.

[0021] Figure 1 It is the whole structure schematic diagram of the utility model.

[0022] Figure 2 It is the whole rear structure schematic diagram of the utility model.

[0023] Figure 3 It is the whole right view section structure schematic diagram of the utility model.

[0024] Figure 4 It is the whole right view section structure schematic diagram of the utility model Figure 3 Enlarged structure schematic diagram of A part in the utility model.

[0025] In the drawing: 1 fan pipe main body, 2 installation fixed plate, 3 wind pipe installation cover plate, 4 locking bolt, 5 turnover cover plate, 6 connecting locking piece, 7 rotary connecting piece, 8 first guardrail net, 9 second guardrail net, 10 filter installation plate, 11 filter plate, 12 installation support, 13 ventilation fan main body, 14 expansion support, 15 small -size motor, 16 expansion support, 17 square slide rod, 18 square card pole, 19 arc -shaped pole lever, 20 locking nut, 21 round rotary block. DETAILED DESCRIPTION

[0026] The following specific embodiments illustrate the embodiments of the utility model, and those skilled in the art can easily understand other advantages and effects of the utility model from the disclosed content of the specification, obviously, the described embodiments are a part of the embodiments of the utility model, instead of all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] The utility model provides a pig farm ventilation fan, such as Figure 1 And 2 As shown, one side of the outer end surface of the fan pipe main body 1 is provided with a wind pipe mounting cover plate 3, the end surface of the mounting fixed plate 2 and the wind pipe mounting cover plate 3 is provided with locking bolt 4, the wind pipe mounting cover plate 3 is installed on one side of the fan pipe main body 1, then the staff can lock and fix it through locking bolt 4, the fan pipe main body 1 is provided with turnover cover plate 5 at the end away from the wind pipe mounting cover plate 3, the connecting place of turnover cover plate 5 and fan pipe main body 1 is provided with rotary connecting piece 7, can conveniently open turnover cover plate 5, so as to increase the convenience of the repair of the inside of the wind pipe main body 1.

[0028] The end away from rotary connecting piece 7 of turnover cover plate 5 and fan pipe main body 1 is provided with connecting locking piece 6, can lock and fix turnover cover plate 5 through connecting locking piece 6, the inner end surface of turnover cover plate 5 is provided with first guardrail net 8, the inner end surface of wind pipe mounting cover plate 3 is provided with second guardrail net 9, can avoid that the outside larger fallen leaves and sundries enter the inside of fan pipe main body 1, the outer end surface of mounting fixed plate 2 and wind pipe mounting cover plate 3 in the main view direction is present coplanar state arrangement.

[0029] As shown in Figure 3 And 4 The lower side of the inner end surface of fan pipe main body 1 is provided with mounting bracket 12, one side of the upper end of mounting bracket 12 is provided with expansion bracket 14, the upper end of mounting bracket 12 is provided with ventilation fan main body 13, can carry out ventilation work to the inside of pig farm through ventilation fan main body 13, the upper end of expansion bracket 14 is provided with small motor 15, the output shaft of small motor 15 is provided with square clamping groove 16.

[0030] The middle part of filter plate 11 is provided with square slide rod 17, one end of square slide rod 17 is provided with square clamping rod 18, the outer end surface of square slide rod 17 is provided with circular rotary block 21, the outer end surface of circular rotary block 21 is provided with arc-shaped lever 19, one side of the outer end surface of square slide rod 17 is provided with locking nut 20, one side of the outer end surface of fan pipe main body (1) is provided with filter mounting plate 10, the inside of filter mounting plate 10 is provided with filter plate 11.

[0031] The filter mounting plate 10 is arranged in a concave state in the right view direction, the outer end surface of the concave part of the filter mounting plate 10 is matched with the inner end surface of the fan pipe body 1, the filter plate 11 is a metal member, the end surface of the filter plate 11 is provided with dense ventilation holes, and the expansion bracket 14 is arranged in an L shape in the right view direction.

[0032] The ventilation fan body 13 and the small motor 15 are electrically connected with the external control device, the inner end surface of the square clamping groove 16 is matched with the outer end surface of the square clamping rod 18, the square slide rod 17 is rotatable in the filter plate 11, and the square slide rod 17 can be driven to rotate by the small motor 15, so that the circular rotating block 21 is driven to rotate.

[0033] The number of the circular rotating block 21 is two, and the two are arranged in a mirror image state on both sides of the vertical central axis of the filter plate 11 in the right view direction, the outer end surface of the arc-shaped stirring rod 19 is provided with a flexible brush on the side close to the filter plate 11, one side of the outer end surface of the flexible brush is attached to the filter plate 11, the number of the arc-shaped stirring rod 19 is two, and the two are arranged in a rotation of 180° in the central end of the circular rotating block 21 in the front view direction, so that the arc-shaped stirring rod 19 can sweep the dust accumulated on the surface of the filter plate 11 when the circular rotating block 21 rotates, thereby avoiding the influence of the accumulated impurities on the air ventilation effect in the pig farm.

[0034] The working principle of the utility model is as follows:

[0035] When the utility model is used, the staff installs the fan pipe body 1 at the ventilation opening of the pig farm, then installs the air pipe mounting cover plate 3 on one side of the fan pipe body 1, then locks and fixes the air pipe mounting cover plate 3 by the locking bolt 4, then the staff can install the filter mounting plate 10 on one side of the inner end surface of the fan pipe body 1, then turns over the turnover cover plate 5 and locks and fixes the turnover cover plate 5 by the connecting locking piece 6, then the staff can drive the ventilation fan body 13 and the small motor 15 to work by the external control device, the ventilation fan body 13 ventilates the inside of the pig farm, then the small motor 15 drives the square slide rod 17 to rotate through the output shaft, so that the dust accumulated on the surface of the filter plate 11 can be conveniently swept by the arc-shaped stirring rod 19, and the swept dust is blown out by the wind power generated by the ventilation fan body 13.

[0036] Although the utility model has been described in detail by general description and specific embodiments above, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model belong to the scope of protection required by the utility model.

Claims

1. A pig farm ventilation fan, characterized in that Include: Fan pipe body (1), one side of the outer end surface is equipped with installation fixed plate (2), the lower side of the inner end surface of the fan pipe body (1) is equipped with installation support (12), one side of the upper end of the installation support (12) is equipped with expansion support (14), the upper end of the installation support (12) is equipped with ventilation fan body (13), the upper end of the expansion support (14) is equipped with small motor (15); The output shaft of the small motor (15) is provided with a square clamping groove (16), one side of the outer end surface of the fan pipe body (1) is provided with a filter mounting plate (10), the inside of the filter mounting plate (10) is provided with a filter plate (11), the middle part of the filter plate (11) is provided with a square sliding rod (17), one end of the square sliding rod (17) is provided with a square clamping rod (18), the outer end surface of the square sliding rod (17) is provided with a circular rotating block (21), the outer end surface of the circular rotating block (21) is provided with an arc-shaped lever (19), one side of the outer end surface of the square sliding rod (17) is provided with a locking nut (20).

2. A ventilation fan for a pig house according to claim 1, characterized in that: One side of the outer end surface of the fan pipe body (1) is provided with a duct mounting cover plate (3), the end surface of the installation fixed plate (2) and the duct mounting cover plate (3) is provided with a locking bolt (4); The fan pipe body (1) is provided with a turnover cover plate (5) at the end away from the duct mounting cover plate (3).

3. A pig farm ventilation fan according to claim 2, characterized in that: The connection between the turnover cover plate (5) and the fan pipe body (1) is provided with a rotary connecting piece (7); The end of the turnover cover plate (5) and the fan pipe body (1) away from the rotary connecting piece (7) is provided with a connecting locking piece (6), the inner end surface of the turnover cover plate (5) is provided with a first guardrail net (8).

4. A ventilation fan for a pig house according to claim 2, characterized in that: The inner end surface of the duct mounting cover plate (3) is provided with a second guardrail net (9), the installation fixed plate (2) and the duct mounting cover plate (3) are arranged in a coplanar state on the outer end surface in the front view direction.

5. A ventilation fan for a pig house according to claim 2, characterized in that: The filter mounting plate (10) is arranged in a concave state in the cross section in the right view direction, and the outer end surface of the concave part of the filter mounting plate (10) is matched with the inner end surface of the fan pipe body (1).

6. A ventilation fan for a pig house according to claim 3, characterized in that: The filter plate (11) is a metal material member, the end surface of the filter plate (11) is provided with a dense ventilation hole, and the expansion support (14) is arranged in an L shape in the cross section in the right view direction.

7. A ventilation fan for a pig house according to claim 1, characterized in that: The ventilation fan body (13) and the small motor (15) are electrically connected with the external control device, and the inner end surface of the square clamping groove (16) is matched with the outer end surface of the square clamping rod (18).

8. A hog farm ventilation fan as defined in claim 1 wherein: The square sliding rod (17) is rotatable in the inside of the filter plate (11), the number of the circular rotating blocks (21) is two, and they are arranged in a mirror image state on both sides of the vertical central axis in the right view direction of the filter plate (11); The outer end surface of the arc-shaped lever (19) is provided with a flexible brush on one side close to the filter plate (11), and the outer end surface of the flexible brush is attached to the filter plate (11), the number of the arc-shaped levers (19) is two, and they are arranged in a rotation of 180° in the central end in the front view direction of the circular rotating block (21).