Air filtering device of polyethylene glycol production equipment

Abstract

The utility model discloses an air filtering device of polyethylene glycol production equipment, which comprises a filtering box, and an air outlet pipe is fixedly mounted at the top of the filtering box. When an air filter element is replaced, a rotating column rotates by 90 degrees, the rotating column drives an extrusion plate to rotate by 90 degrees, the extrusion plate rotates by 90 degrees and is out of contact with an extrusion block, under the action of resilience force of a reset spring, the reset spring drives a moving plate to move towards the inner side, and the moving plate drives an insertion column to move towards the inner side; the movable plate moves towards the inner side to drive the extrusion block and the sliding block to move towards the inner side along the limiting sliding rail, when the tight inserting column moves into the cover plate, the cover plate can be taken down, the air filter element is pulled out along the limiting sliding groove formed in the top of the fixed block to be replaced, and therefore the beneficial effect that the air filter element is convenient to replace is achieved; and through cooperative use of the rotary extrusion mechanism and the reset insertion mechanism, the air filter element can be rapidly taken out and replaced, and the replacement time of the air filter element is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of polyethylene glycol production, in particular to an air filtering device for polyethylene glycol production equipment. Background Art

[0002] Polyethylene glycol: It is a high molecular polymer, non-irritating, slightly bitter, with good water solubility, and good compatibility with many organic components; it has excellent lubricity, moisturizing, dispersibility, and adhesion, and can be used as an antistatic agent and softener, etc. It is widely used in cosmetics, pharmaceuticals, chemical fiber, rubber, plastics, papermaking, paint, electroplating, pesticides, metal processing and food processing industries. The patent announcement number is CN218980962U, which discloses an air filtration device for polyethylene glycol production equipment, including a box body, one side of the box body is fixedly connected to an air inlet pipe, the bottom of one end of the air inlet pipe is sleeved with a movable sleeve, the bottom of the movable sleeve is fixedly connected to a bottom plate, the inside of the box body is fixedly connected to an electric telescopic rod, the bottom of the electric telescopic rod is fixedly connected to the bottom plate, a water tank is provided at the inner bottom of the box body, the movable sleeve is located inside the water tank, and an air filter element is provided at the inner top of the box body. The air filtering device for polyethylene glycol production equipment can move the water tank out of the device through the cooperation between the water tank, the movable sleeve, the cover plate, the pull ring and the stopper, so that the sludge inside the water tank can be cleaned more conveniently, the operation is time-saving and labor-saving, and it is conducive to promotion and use.

[0003] The above-mentioned prior art solution has the following defects: when replacing the air filter element, the clamping assembly is first manually turned to loosen the clamping assembly, so that the clamping assembly and the front cover assembly lose their fixation, and then the fixing plate is removed from bottom to top, and the air filter element can be pulled out for replacement. The process of replacing the air filter element is time-consuming and laborious, which brings inconvenience to replacing the air filter element, thereby increasing the replacement time of the air filter element. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide an air filtration device for polyethylene glycol production equipment, which has the advantage of easy replacement of air filter elements and solves the problem that when replacing the air filter element, the tightening assembly must be manually loosened, the tightening assembly loses its fixation with the front cover assembly, and then the fixing plate is removed from bottom to top, and the air filter element can be pulled out for replacement. The process of replacing the air filter element is time-consuming and laborious, which brings inconvenience to the replacement of the air filter element, thereby increasing the replacement time of the air filter element.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an air filter device for polyethylene glycol production equipment, comprising a filter box, an air outlet pipe is fixedly installed on the top of the filter box, an air inlet pipe is fixedly installed on the left side of the filter box, and the air inlet pipe runs through the interior of the filter box, a water tank assembly is arranged at the bottom of the inner wall of the filter box, a cleaning door assembly is arranged on the front side of the water tank assembly, a fixing block is fixedly connected to the left and right sides of the inner wall of the filter box, a limiting slide groove is arranged on the top of the fixing block, a sliding block is arranged inside the limiting slide groove, plugging holes are arranged on the top and bottom of the front side of the filter box, the number of the plugging holes is several, and the several plugging holes are equidistantly distributed, an air filter element is fixedly connected to the top of the sliding block, a cover plate is arranged on the front side of the air filter element, a rotating extrusion mechanism is arranged inside the cover plate, and a resetting plugging mechanism is arranged on the outer side of the rotating extrusion mechanism;

[0006] The rotary extrusion mechanism is used to extrude and move the reset and tightening mechanism;

[0007] The resetting and tightening mechanism is used to tighten and fix the cover plate and the filter box.

[0008] As a preferred embodiment of the utility model, the rotary extrusion mechanism includes a rotating column and an extrusion plate, the rear side of the rotating column is fixedly connected to the front side of the extrusion plate, the rear side of the extrusion plate is movably connected to a fixed seat via a pin shaft, the rear side of the fixed seat is fixedly connected to the rear side of the inner wall of the cover plate, and an extrusion block is arranged on the outer side of the extrusion plate.

[0009] As a preferred embodiment of the utility model, the reset and tightening mechanism includes a tightening column and a reset spring, the number of the tightening columns is several, and the several tightening columns are equidistantly distributed, the reset spring is movably sleeved on the surface of the tightening column, the inner side of the tightening column is fixedly connected to a movable plate, the inner side of the reset spring is fixedly connected to the outer side of the movable plate, the outer side of the reset spring is fixedly connected to the outer side of the inner wall of the cover plate, the front side of the movable plate is fixedly connected to a slider, the front side of the slider is slidably connected to a limiting slide rail, the front side of the limiting slide rail is fixedly connected to the front side of the inner wall of the cover plate, and the inner side of the movable plate is fixedly connected to the outer side of the extrusion block.

[0010] As a preferred embodiment of the utility model, a reinforcing sleeve is fixedly connected to the rear side of the rotating column surface, the rear side of the reinforcing sleeve is fixedly connected to the front side of the extrusion plate, and the reinforcing sleeve is located inside the cover plate.

[0011] As a preferred embodiment of the utility model, the surface movable sleeve of the rotating column is provided with a wear-resistant sleeve, the outer side of the wear-resistant sleeve is fixedly connected to the inner side of the front side of the cover plate, and the wear-resistant sleeve is located on the front side of the extrusion plate.

[0012] As a preferred embodiment of the utility model, a rotating disk is provided on the front side of the cover plate, the rear side of the rotating disk is fixedly connected to the front side of the rotating column, and the rotating disk is made of hard rubber.

[0013] As a preferred embodiment of the utility model, a wear-resistant pad is fixedly connected to the surface of the extrusion block, the surface of the wear-resistant pad is in contact with the outer side of the extrusion plate, and the wear-resistant pad is located inside the cover plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model rotates the rotating column ninety degrees when replacing the air filter element, and the rotating column drives the extrusion plate to rotate ninety degrees. The extrusion plate rotates ninety degrees and loses contact with the extrusion block. Under the action of the return force of the reset spring, the reset spring drives the moving plate to move inward, and the moving plate drives the plugging column to move inward. The moving plate moves inward and drives the extrusion block and the slider to move inward along the limiting slide rail. When the plugging column moves to the inside of the cover plate, the cover plate can be removed, and the air filter element can be pulled outward along the limiting slide groove opened on the top of the fixed block for replacement, thereby having the advantage of easy replacement of the air filter element. The air filter element can be quickly taken out and replaced by the coordinated use of the rotating extrusion mechanism and the reset plugging mechanism, thereby reducing the replacement time of the air filter element.

[0016] 2. The utility model is capable of squeezing and moving the reset and tightening mechanism by providing a rotating and squeezing mechanism, thereby avoiding the situation where the reset and tightening mechanism cannot be moved during use, facilitating the use of the reset and tightening mechanism, and improving the ease of use of the reset and tightening mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a three-dimensional diagram of the water tank assembly of the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the cover plate of the utility model;

[0020] Figure 4 It is a three-dimensional diagram of the extrusion block of the utility model.

[0021] In the figure: 1. filter box; 2. air outlet pipe; 3. air inlet pipe; 4. water tank assembly; 5. cleaning door assembly; 6. fixing block; 7. limiting slide groove; 8. sliding block; 9. tightening hole; 10. air filter element; 11. cover plate; 12. rotating extrusion mechanism; 121. rotating column; 122. extrusion plate; 123. fixing seat; 124. extrusion block; 13. reset tightening mechanism; 131. tightening column; 132. reset spring; 133. moving plate; 134. sliding block; 135. limiting slide rail; 14. reinforcing sleeve; 15. wear-resistant sleeve; 16. rotating disk; 17. wear-resistant pad. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 4 As shown, the utility model provides an air filter device for polyethylene glycol production equipment, comprising a filter box 1, an air outlet pipe 2 is fixedly installed on the top of the filter box 1, an air inlet pipe 3 is fixedly installed on the left side of the filter box 1, and the air inlet pipe 3 runs through the interior of the filter box 1, a water tank assembly 4 is arranged at the bottom of the inner wall of the filter box 1, and a cleaning door assembly 5 is arranged on the front side of the water tank assembly 4, a fixed block 6 is fixedly connected to the left and right sides of the inner wall of the filter box 1, a limiting slide groove 7 is arranged on the top of the fixed block 6, a sliding block 8 is arranged inside the limiting slide groove 7, and a plug-in hole 9 is arranged on the top and bottom of the front side of the filter box 1, and the number of the plug-in holes 9 is several, and the several plug-in holes 9 are distributed at equal distances, an air filter element 10 is fixedly connected to the top of the sliding block 8, a cover plate 11 is arranged on the front side of the air filter element 10, a rotating extrusion mechanism 12 is arranged inside the cover plate 11, and a reset plug-in mechanism 13 is arranged on the outer side of the rotating extrusion mechanism 12;

[0024] The rotating extrusion mechanism 12 is used to extrusion-move the resetting and tightening mechanism 13;

[0025] The resetting and tightening mechanism 13 is used to tighten and fix the cover plate 11 and the filter box 1 .

[0026] refer to Figure 4 The rotating extrusion mechanism 12 includes a rotating column 121 and an extrusion plate 122. The rear side of the rotating column 121 is fixedly connected to the front side of the extrusion plate 122. The rear side of the extrusion plate 122 is movably connected to a fixing seat 123 through a pin shaft. The rear side of the fixing seat 123 is fixedly connected to the rear side of the inner wall of the cover plate 11. An extrusion block 124 is arranged on the outer side of the extrusion plate 122.

[0027] As a technical optimization solution of the utility model, by providing a rotating extrusion mechanism 12, the reset and tightening mechanism 13 can be squeezed and moved, thereby avoiding the situation where the reset and tightening mechanism 13 cannot be moved during use, facilitating the use of the reset and tightening mechanism 13, and improving the usability of the reset and tightening mechanism 13.

[0028] refer to Figure 4 The reset and tightening mechanism 13 includes a tightening column 131 and a reset spring 132. The number of the tightening columns 131 is several, and the several tightening columns 131 are equidistantly distributed. The reset spring 132 is movably sleeved on the surface of the tightening column 131. The inner side of the tightening column 131 is fixedly connected with a moving plate 133, the inner side of the reset spring 132 is fixedly connected to the outer side of the moving plate 133, the outer side of the reset spring 132 is fixedly connected to the outer side of the inner wall of the cover 11, and the front side of the moving plate 133 is fixedly connected with a slider 134. The front side of the slider 134 is slidably connected with a limiting slide rail 135. The front side of the limiting slide rail 135 is fixedly connected to the front side of the inner wall of the cover 11, and the inner side of the moving plate 133 is fixedly connected to the outer side of the extrusion block 124.

[0029] As a technical optimization solution of the utility model, by setting a reset and tightening mechanism 13, the cover plate 11 and the filter box 1 can be inserted, fixed and separated, avoiding the situation that the cover plate 11 and the filter box 1 cannot be quickly fixed and separated, playing a role of fast fixing and separation, and improving the coordination effect between the cover plate 11 and the filter box 1.

[0030] refer to Figure 4 A reinforcing sleeve 14 is fixedly connected to the rear side of the surface of the rotating column 121 . The rear side of the reinforcing sleeve 14 is fixedly connected to the front side of the extrusion plate 122 . The reinforcing sleeve 14 is located inside the cover plate 11 .

[0031] As a technical optimization solution of the utility model, by setting a reinforcement sleeve 14, the rotating column 121 and the extrusion plate 122 can be reinforced, thereby avoiding looseness between the rotating column 121 and the extrusion plate 122, reinforcing the rotating column 121 and the extrusion plate 122, and improving the stability between the rotating column 121 and the extrusion plate 122.

[0032] refer to Figure 4 A wear-resistant sleeve 15 is provided on the surface of the rotating column 121 . The outer side of the wear-resistant sleeve 15 is fixedly connected to the inner side of the front side of the cover plate 11 . The wear-resistant sleeve 15 is located on the front side of the extrusion plate 122 .

[0033] As a technical optimization solution of the utility model, by providing a wear-resistant sleeve 15, the surface of the rotating column 121 can be protected, thereby avoiding wear of the rotating column 121 during use, causing damage to the rotating column 121, and improving the durability of the rotating column 121.

[0034] refer to Figure 4 A rotating disk 16 is disposed on the front side of the cover plate 11 , and the rear side of the rotating disk 16 is fixedly connected to the front side of the rotating column 121 . The rotating disk 16 is made of hard rubber.

[0035] As a technical optimization solution of the utility model, by setting the rotating disk 16, the contact area of ​​the rotating rotating column 121 can be increased, thereby avoiding the slipping of the rotating rotating column 121, increasing the contact area, and improving the usability of the rotating column 121.

[0036] refer to Figure 4 A wear-resistant pad 17 is fixedly connected to the surface of the extrusion block 124 , and the surface of the wear-resistant pad 17 contacts the outer side of the extrusion plate 122 . The wear-resistant pad 17 is located inside the cover plate 11 .

[0037] As a technical optimization scheme of the utility model, by setting a wear-resistant pad 17, the extrusion plate 122 and the extrusion block 124 can be protected. Wear occurs between the extrusion plate 122 and the extrusion block 124 during contact, resulting in damage to the extrusion plate 122 and the extrusion block 124, thereby improving the service life of the extrusion plate 122 and the extrusion block 124.

[0038] The working principle and use process of the utility model are as follows: during use, when the air filter element 10 is replaced, the rotating column 121 is rotated ninety degrees, and the rotating column 121 drives the extrusion plate 122 to rotate ninety degrees. The extrusion plate 122 rotates ninety degrees and loses contact with the extrusion block 124. Under the action of the rebound force of the reset spring 132, the reset spring 132 drives the movable plate 133 to move inward, and the movable plate 133 drives the plugging column 131 to move inward. The movable plate 133 moves inward and drives the extrusion block 124 and the slider 134 to move inward along the limiting slide rail 135. When the plugging column 131 moves to the inside of the cover plate 11, the cover plate 11 can be removed, and the air filter element 10 is pulled outward along the limiting slide groove 7 opened on the top of the fixing block 6 for replacement, thereby having the advantage of easy replacement of the air filter element.

[0039] To sum up: the air filter device of the polyethylene glycol production equipment, through the coordinated use of the filter box 1, the outlet pipe 2, the inlet pipe 3, the water tank assembly 4, the cleaning door assembly 5, the fixing block 6, the limiting slide groove 7, the sliding block 8, the tightening hole 9, the air filter element 10, the cover plate 11, the rotating extrusion mechanism 12 and the resetting tightening mechanism 13, solves the problem that when replacing the air filter element, the tightening assembly is first manually turned to loosen the tightening assembly, the tightening assembly loses the fixation with the front cover assembly, and then the fixing plate is removed from bottom to top, and the air filter element can be pulled out for replacement. The process of replacing the air filter element is time-consuming and laborious, which brings inconvenience to the replacement of the air filter element, thereby increasing the replacement time of the air filter element.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air filter device for polyethylene glycol production equipment, comprising a filter box (1), characterized in that: An air outlet pipe (2) is fixedly installed on the top of the filter box (1), an air inlet pipe (3) is fixedly installed on the left side of the filter box (1), and the air inlet pipe (3) penetrates into the interior of the filter box (1). A water tank assembly (4) is arranged at the bottom of the inner wall of the filter box (1), and a cleaning door assembly (5) is arranged on the front side of the water tank assembly (4). A fixed block (6) is fixedly connected to the left and right sides of the inner wall of the filter box (1), and a limiting slide groove (7) is arranged on the top of the fixed block (6). The limiting slide groove (7) ) is provided with a sliding block (8) inside, the top and bottom of the front side of the filter box (1) are provided with plug-in holes (9), the number of the plug-in holes (9) is a plurality, and the plurality of plug-in holes (9) are distributed at equal distances, the top of the sliding block (8) is fixedly connected with an air filter element (10), the front side of the air filter element (10) is provided with a cover plate (11), the inside of the cover plate (11) is provided with a rotary extrusion mechanism (12), and the outside of the rotary extrusion mechanism (12) is provided with a reset plug-in mechanism (13); The rotary extrusion mechanism (12) is used to extrude and move the resetting and tightening mechanism (13); The resetting and tightening mechanism (13) is used to tighten and fix the cover plate (11) and the filter box (1).

2. The air filter device for polyethylene glycol production equipment according to claim 1, characterized in that: The rotary extrusion mechanism (12) comprises a rotary column (121) and an extrusion plate (122); the rear side of the rotary column (121) is fixedly connected to the front side of the extrusion plate (122); the rear side of the extrusion plate (122) is movably connected to a fixing seat (123) via a pin shaft; the rear side of the fixing seat (123) is fixedly connected to the rear side of the inner wall of the cover plate (11); and an extrusion block (124) is arranged on the outer side of the extrusion plate (122).

3. The air filter device for polyethylene glycol production equipment according to claim 2, characterized in that: The reset and tightening mechanism (13) comprises a tightening column (131) and a reset spring (132). The number of the tightening columns (131) is several, and the several tightening columns (131) are distributed at equal distances. The reset spring (132) is movably sleeved on the surface of the tightening column (131). The inner side of the tightening column (131) is fixedly connected to a moving plate (133). The inner side of the reset spring (132) is fixedly connected to the outer side of the moving plate (133). The outer side of the reset spring (132) is fixedly connected to the outer side of the inner wall of the cover plate (11). The front side of the moving plate (133) is fixedly connected to a slider (134). The front side of the slider (134) is slidably connected to a limiting slide rail (135). The front side of the limiting slide rail (135) is fixedly connected to the front side of the inner wall of the cover plate (11). The inner side of the moving plate (133) is fixedly connected to the outer side of the extrusion block (124).

4. The air filter device for polyethylene glycol production equipment according to claim 2, characterized in that: A reinforcing sleeve (14) is fixedly connected to the rear side of the surface of the rotating column (121), the rear side of the reinforcing sleeve (14) is fixedly connected to the front side of the extrusion plate (122), and the reinforcing sleeve (14) is located inside the cover plate (11).

5. The air filter device for polyethylene glycol production equipment according to claim 2, characterized in that: The surface movable sleeve of the rotating column (121) is provided with a wear-resistant sleeve (15), the outer side of the wear-resistant sleeve (15) is fixedly connected to the inside of the front side of the cover plate (11), and the wear-resistant sleeve (15) is located on the front side of the extrusion plate (122).

6. The air filter device for polyethylene glycol production equipment according to claim 2, characterized in that: A rotating disk (16) is arranged on the front side of the cover plate (11), and the rear side of the rotating disk (16) is fixedly connected to the front side of the rotating column (121), and the rotating disk (16) is made of hard rubber.

7. The air filter device for polyethylene glycol production equipment according to claim 2, characterized in that: A wear-resistant pad (17) is fixedly connected to the surface of the extrusion block (124), the surface of the wear-resistant pad (17) is in contact with the outer side of the extrusion plate (122), and the wear-resistant pad (17) is located inside the cover plate (11).

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