阅读说明：本技术 一种多功能的暖通设备中油气分离器 (Oil-gas separator in multifunctional heating and ventilating equipment ) 是由 郑枫 于 2021-01-11 设计创作，主要内容包括：本发明提供一种多功能的暖通设备中油气分离器,包括横向底板,下筒体,下侧耳板,上筒体,上侧耳板,螺栓螺母,内筒,出气管,进气管,L型限位环,便拆卸过滤架结构,顶紧密封架结构,可调节清洁导出架结构,回油管和顶紧定位架结构,所述的下筒体螺栓安装在横向底板的上部；所述的下侧耳板焊接在下筒体的上部左右两侧。本发明复位拉簧套接在活动管的外侧,有利于在使用时方便利用复位拉簧对连接环向右侧起到拉紧功能,进而能够使密封垫圈与过滤网框的左端紧密贴合；清洁刷嵌入在连接套管的右侧,有利于在使用时将连接杆经过导出管和活动管对过滤网框底部进行清扫,进而在使用时方便对过滤网框清洁维护。(The invention provides a multifunctional heating and ventilating device oil-gas separator, which comprises a transverse bottom plate, a lower barrel, a lower side ear plate, an upper barrel, an upper side ear plate, a bolt nut, an inner barrel, an air outlet pipe, an air inlet pipe and an L-shaped limiting ring, wherein a filter frame structure is convenient to disassemble, a sealing frame structure is tightly pressed, an adjustable clean guiding frame structure, an oil return pipe and a pressing positioning frame structure are arranged on the upper part of the transverse bottom plate; the lower side ear plates are welded on the left side and the right side of the upper part of the lower barrel body. The reset tension spring is sleeved on the outer side of the movable pipe, so that the reset tension spring can be conveniently used for tensioning the connecting ring towards the right side when the filter screen frame is used, and the sealing washer can be tightly attached to the left end of the filter screen frame; the cleaning brush is embedded in the right side of the connecting sleeve, so that the bottom of the filter screen frame is cleaned by the connecting rod through the guide pipe and the movable pipe when the cleaning brush is used, and the filter screen frame is convenient to clean and maintain when the cleaning brush is used.)

1. The oil-gas separator in the multifunctional heating and ventilation equipment is characterized by comprising a transverse bottom plate (1), a lower barrel (2), a lower side lug plate (3), an upper barrel (4), an upper side lug plate (5), a bolt nut (6), an inner barrel (7), an air outlet pipe (8), an air inlet pipe (9), an L-shaped limiting ring (10), a conveniently-disassembled filter frame structure (11), a tightly-jacking seal frame structure (12), an adjustable clean leading-out frame structure (13), an oil return pipe (14) and a tightly-jacking positioning frame structure (15), wherein the lower barrel (2) is arranged on the upper part of the transverse bottom plate (1) through bolts; the lower side ear plates (3) are welded on the left side and the right side of the upper part of the lower cylinder body (2); the upper cylinder (4) is arranged at the upper part of the lower cylinder (2); the upper side ear plates (5) are welded at the left side and the right side of the lower part of the upper cylinder body (4); the bolt and the nut (6) are in threaded connection with the connection part of the lower side ear plate (3) and the upper side ear plate (5); the inner cylinder (7) is arranged in the middle of the top of the upper cylinder (4) through a screw; the air outlet pipe (8) is inserted at the middle upper part of the upper barrel body (4); the air inlet pipe (9) is inserted at the upper part of the right side of the upper barrel body (4); the L-shaped limiting ring (10) is arranged at the upper part of the inner side of the lower cylinder body (2) through a screw; the filter frame structure (11) convenient to disassemble is arranged on the inner side of the L-shaped limiting ring (10); the tight-pushing sealing frame structure (12) is arranged on the left side of the lower barrel body (2); the adjustable cleaning guiding frame structure (13) is arranged on the left side of the tight pushing sealing frame structure (12); the oil return pipe (14) is inserted at the lower part of the front side of the lower cylinder body (2); the jacking positioning frame structure (15) is arranged at the right lower side of the inner wall of the lower barrel body (2); the adjustable cleaning guide frame structure (13) comprises a guide pipe (131), a guide valve (132), a sealing cover (133), a shaft plate (134), a connecting rod (135), a connecting sleeve (136) and a cleaning brush (137), wherein the guide valve (132) is in threaded connection with the middle position of the guide pipe (131); the sealing cover (133) is in threaded connection with the left side of the outer part of the delivery pipe (131); the shaft plate (134) is welded at the middle position of the left side of the sealing cover (133).

2. The oil-gas separator in multifunctional heating and ventilating equipment as claimed in claim 1, wherein said top tight seal frame structure (12) comprises a fixed frame (121), a storage frame (122), a positioning hole (123), a movable pipe (124), a connecting ring (125), a return tension spring (126), a protecting sleeve (127) and a sealing washer (128), said fixed frame (121) is embedded in the left side of the lower cylinder (2); the storage frame (122) is embedded in the right side of the fixed frame (121); the positioning hole (123) is formed in the left side of the fixing frame (121); the movable tube (124) is inserted into the positioning hole (123); the connecting ring (125) is arranged on the left side of the outer part of the movable pipe (124) through a screw.

3. The oil-gas separator in multifunctional heating and ventilating equipment as claimed in claim 1, wherein said top-tight locating frame structure (15) comprises a locating pipe (151), a sealing ring (152), a movable frame (153), a top-tight spring (154), a movable rod (155) and a top-tight wheel (156), said locating pipe (151) is mounted on the right side of the inner wall of the lower cylinder (2) in a screw manner; the movable frame (153) is inserted into the inner side of the positioning tube (151); the movable rod (155) is inserted into the left side of the interior of the positioning tube (151), and meanwhile, the movable rod (155) is installed on the left side of the movable frame (153) through a screw.

4. The oil-gas separator in multifunctional heating and ventilating equipment as claimed in claim 1, wherein said filter frame structure (11) convenient to disassemble comprises a rectangular plate (111), a lead-in hopper (112), a silica gel ring (113), a V-shaped rod (114), a connecting handle (115) and a filter screen frame (116), wherein said lead-in hopper (112) is embedded in the inner side of the rectangular plate (111); the V-shaped rod (114) is installed on the inner side of the guide-in hopper (112) through screws; the filter screen frame (116) is installed at the lower part of the rectangular plate (111) through screws.

5. The oil-gas separator in multifunctional heating and ventilating equipment as claimed in claim 2, wherein the reset tension spring (126) is sleeved outside the movable pipe (124), and the left and right ends of the reset tension spring (126) are respectively connected with the right side of the connecting ring (125) and the left side of the fixed frame (121) by screws.

6. The oil and gas separator in multifunctional heating and ventilating device as set forth in claim 4, wherein said rectangular plate (111) is placed on the upper inner side of the L-shaped retainer ring (10).

7. The oil-gas separator in multifunctional heating and ventilating equipment as claimed in claim 4, wherein said silicone ring (113) is glued to the upper outer side of the introducing hopper (112).

8. Oil and gas separator in multifunctional heating and ventilating device as claimed in claim 2, wherein said protecting cover (127) is glued to the outer side of the connecting ring (125) and the fixing frame (121), respectively.

9. The oil-gas separator in multifunctional heating and ventilating equipment as claimed in claim 3, wherein the sealing ring (152) is sleeved outside the movable rod (155), and the sealing ring (152) is glued to the left end of the positioning pipe (151).

10. The oil and gas separator in a multifunctional heating and ventilating device as set forth in claim 3, wherein said urging spring (154) is disposed inside the positioning pipe (151) while the left side of the urging spring (154) is in contact with the right side of the movable frame (153).

Technical Field

The invention belongs to the technical field of heating and ventilation equipment, and particularly relates to a multifunctional oil-gas separator in heating and ventilation equipment.

Background

Heating and ventilation are one component of a building. The method comprises the following steps: heating, ventilation and air conditioning. Meanwhile, the system also cultivates the high-level engineering technical talents and the major of the management talents which are used for working in the technical fields of building environment control, building energy conservation and building facility intelligence and have the capabilities of designing, constructing, debugging and running management of public facility systems such as air conditioning, heat supply, ventilation, building water supply and drainage, fuel gas supply and the like, building heat energy supply systems and building energy conservation and the capability of formulating the scheme of a building automation system.

In the heating and ventilating equipment, when the refrigerant is discharged from the compressor, part of the lubricating oil of the compressor is often taken away. Therefore, an oil-gas separator is required to be added in the heating and ventilation equipment to separate oil and return the oil to the compressor, so that the normal lubrication of the compressor is ensured.

But oil-gas separator has the sealed effect to exporting the frame poor in current warm equipment of leading, and is inconvenient to filter frame dismantlement, inconvenient to filter frame clean maintenance and inconvenient to the filter frame play the problem of locate function.

Therefore, the invention of the oil-gas separator in the multifunctional heating and ventilating equipment is very necessary.

Disclosure of Invention

In order to solve the technical problems, the invention provides a multifunctional oil-gas separator in heating and ventilation equipment, which aims to solve the problems that the oil-gas separator in the existing heating and ventilation equipment has poor sealing effect on a lead-out frame, is inconvenient to disassemble a filter frame, is inconvenient to clean and maintain the filter frame and has a positioning function on the filter frame. A multifunctional heating and ventilation equipment oil-gas separator comprises a transverse bottom plate, a lower barrel, a lower side ear plate, an upper barrel, an upper side ear plate, a bolt and a nut, an inner barrel, an air outlet pipe, an air inlet pipe, an L-shaped limiting ring, a filter frame structure which is convenient to disassemble, a tight-pushing seal frame structure, an adjustable clean leading-out frame structure, an oil return pipe and a tight-pushing positioning frame structure, wherein the lower barrel is installed on the upper part of the transverse bottom plate through a bolt; the lower side ear plates are welded on the left side and the right side of the upper part of the lower barrel; the upper barrel is arranged at the upper part of the lower barrel; the upper side ear plates are welded at the left side and the right side of the lower part of the upper barrel; the bolt and the nut are in threaded connection with the connection part of the lower side lug plate and the upper side lug plate; the inner cylinder screw is arranged in the middle of the top of the upper cylinder; the air outlet pipe is inserted at the middle upper part of the upper barrel; the air inlet pipe is inserted at the upper part of the right side of the upper barrel; the L-shaped limiting ring screw is arranged at the upper part of the inner side of the lower cylinder body; the filter frame structure convenient to disassemble is arranged on the inner side of the L-shaped limiting ring; the jacking sealing frame structure is arranged on the left side of the lower barrel; the adjustable cleaning guiding frame structure is arranged on the left side of the tight pushing sealing frame structure; the oil return pipe is inserted at the lower part of the front side of the lower cylinder body; the jacking positioning frame structure is arranged on the right lower side of the inner wall of the lower barrel; the adjustable cleaning guide frame structure comprises a guide pipe, a guide valve, a sealing cover, a shaft plate, a connecting rod, a connecting sleeve and a cleaning brush, wherein the guide valve is in threaded connection with the middle of the guide pipe; the sealing cover is in threaded connection with the left side of the outer part of the delivery pipe; the shaft plate is welded in the middle of the left side of the sealing cover.

Preferably, the tight-pushing sealing frame structure comprises a fixed frame, a storage frame, a positioning hole, a movable pipe, a connecting ring, a reset tension spring, a protecting sleeve and a sealing washer, wherein the fixed frame is embedded in the left side of the lower barrel body; the storage frame is embedded in the right side of the fixed frame; the positioning hole is formed in the left side of the fixing frame; the movable tube is inserted into the inner side of the positioning hole; the connecting ring screw is arranged on the left side of the outer part of the movable pipe.

Preferably, the structure of the jacking positioning frame comprises a positioning pipe, a sealing ring, a movable frame, a jacking spring, a movable rod and a jacking wheel, wherein the positioning pipe is mounted on the right side of the inner wall of the lower barrel through a screw; the movable frame is inserted into the inner side of the positioning tube; the movable rod is inserted in the left side of the inner part of the positioning tube, and the movable rod is arranged on the left side of the movable frame through a screw.

Preferably, the filter frame structure convenient to disassemble comprises a rectangular plate, a guide hopper, a silica gel ring, a V-shaped rod, a connecting handle and a filter screen frame, wherein the guide hopper is embedded in the inner side of the rectangular plate; the V-shaped rod screw is arranged on the inner side of the leading-in hopper; the filter screen frame is arranged at the lower part of the rectangular plate through screws.

Preferably, the extension spring that resets cup joints in the outside of movable tube, the left and right ends of extension spring that resets simultaneously respectively with the right side of go-between and the left side screw connection of fixed frame.

Preferably, the rectangular plate is placed on the upper part of the inner side of the L-shaped limiting ring.

Preferably, the cleaning brush is embedded in the right side of the connecting sleeve.

Preferably, the jacking wheel is connected to the left side of the movable rod in a shaft coupling mode.

Preferably, the silica gel ring is glued on the outer side of the upper part of the guide-in hopper.

Preferably, the protective sleeve is respectively glued at the joint of the outer sides of the connecting ring and the fixing frame.

Preferably, the sealing ring is sleeved on the outer side of the movable rod, and the sealing ring is glued at the left end of the positioning pipe.

Preferably, the connecting rod is axially connected to the left side of the shaft plate.

Preferably, the connecting sleeve is in threaded connection with the lower part of the outer side of the connecting rod.

Preferably, the jacking spring is arranged on the inner side of the positioning pipe, and the left side of the jacking spring is in contact with the right side of the movable frame.

Compared with the prior art, the invention has the beneficial effects that:

1. in the invention, the reset tension spring is sleeved on the outer side of the movable pipe, and the left end and the right end of the reset tension spring are respectively connected with the right side of the connecting ring and the left side of the fixed frame through screws, so that the reset tension spring can be conveniently used for tensioning the connecting ring towards the right side, and the sealing washer can be tightly attached to the left end of the filter screen frame.

2. In the invention, the rectangular plate is placed at the upper part of the inner side of the L-shaped limiting ring, so that the rectangular plate can be conveniently taken out of the L-shaped limiting ring by holding the connecting handle when not in use, and the rectangular plate can be conveniently taken out for maintenance.

3. In the invention, the cleaning brush is embedded in the right side of the connecting sleeve, so that the bottom of the filter screen frame can be cleaned by the connecting rod through the delivery pipe and the movable pipe when in use, and the filter screen frame can be conveniently cleaned and maintained when in use.

4. In the invention, the jacking wheel shaft is connected to the left side of the movable rod, so that the right side of the lower part of the filter screen frame can be supported by the jacking wheel when in use, the filter screen frame is prevented from inclining to one side when in use, and the positioning function can be further realized.

5. In the invention, the silica gel ring is glued on the outer side of the upper part of the guide hopper, so that the sealing effect of the guide hopper inserted into the lower cylinder body can be increased when the silica gel ring is used, and the feed liquid is prevented from flowing down from the guide hopper and the inner wall of the lower cylinder body.

6. In the invention, the protective sleeve is respectively glued at the joint of the connecting ring and the outer side of the fixed frame, so that the protective effect on the reset tension spring can be increased when the protective sleeve is used, and the reset tension spring can be prevented from being easily influenced by external connection.

7. According to the invention, the sealing ring is sleeved on the outer side of the movable rod, and the sealing ring is glued at the left end of the positioning pipe, so that the sealing effect of the joint of the movable rod and the positioning pipe can be increased when the positioning pipe is used, and oil can be prevented from easily entering the inner side of the positioning pipe.

8. In the invention, the connecting rod is connected on the left side of the shaft plate in a shaft connection mode, so that the sealing cover can be conveniently driven to rotate from the left side of the delivery pipe through the shaft plate by the connecting rod according to requirements when the sealing cover is used, and the sealing cover can be conveniently detached.

9. According to the invention, the connecting sleeve is in threaded connection with the lower part of the outer side of the connecting rod, so that the connecting sleeve can be conveniently unscrewed from the connecting rod according to requirements during use, and the cleaning brush can be conveniently maintained after the connecting sleeve is detached.

10. In the invention, the jacking spring is arranged on the inner side of the positioning pipe, and the left side of the jacking spring is in contact with the right side of the movable frame, so that the jacking spring can be conveniently used for jacking the movable frame and the movable rod when in use.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of the filter frame structure convenient to disassemble.

Fig. 3 is a schematic structural view of the structure of the tightening seal holder of the present invention.

Fig. 4 is a schematic structural view of an adjustable cleaning lead-out frame structure of the present invention.

Fig. 5 is a schematic structural diagram of the structure of the tightening positioning frame of the invention.

In the figure:

1. a transverse floor; 2. a lower cylinder body; 3. a lower side ear plate; 4. an upper cylinder body; 5. an upper side ear panel; 6. a bolt and a nut; 7. an inner barrel; 8. an air outlet pipe; 9. an air inlet pipe; 10. an L-shaped limiting ring; 11. the filter frame structure is convenient to disassemble; 111. a rectangular plate; 112. a lead-in hopper; 113. a silica gel ring; 114. a V-shaped rod; 115. a connecting handle; 116. a filter screen frame; 12. tightly pushing the sealing frame structure; 121. a fixing frame; 122. a storage frame; 123. positioning holes; 124. a movable tube; 125. a connecting ring; 126. a return tension spring; 127. a protective sleeve; 128. a sealing gasket; 13. the structure of the adjustable cleaning leading-out frame; 131. a delivery pipe; 132. a lead-out valve; 133. a sealing cover; 134. a shaft plate; 135. a connecting rod; 136. connecting a sleeve; 137. a cleaning brush; 14. an oil return pipe; 15. tightly pushing the positioning frame structure; 151. a positioning tube; 152. a seal ring; 153. a movable frame; 154. the spring is tightly propped; 155. a movable rod; 156. and (5) tightly pressing the wheel.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in figures 1 and 4

The invention provides a multifunctional heating and ventilating device oil-gas separator, which comprises a transverse bottom plate 1, a lower barrel 2, a lower side ear plate 3, an upper barrel 4, an upper side ear plate 5, a bolt nut 6, an inner barrel 7, an air outlet pipe 8, an air inlet pipe 9, an L-shaped limiting ring 10, a conveniently-disassembled filter frame structure 11, a tightly-pressed seal frame structure 12, an adjustable clean leading-out frame structure 13, an oil return pipe 14 and a tightly-pressed positioning frame structure 15, wherein the lower barrel 2 is installed on the upper part of the transverse bottom plate 1 through a bolt; the lower side ear plates 3 are welded on the left side and the right side of the upper part of the lower barrel 2; the upper barrel 4 is arranged at the upper part of the lower barrel 2; the upper side ear plates 5 are welded at the left side and the right side of the lower part of the upper barrel 4; the bolt and the nut 6 are in threaded connection with the connection part of the lower side ear plate 3 and the upper side ear plate 5; the inner cylinder 7 is arranged at the middle position of the top of the upper cylinder 4 through a screw; the air outlet pipe 8 is inserted in the middle upper part of the upper barrel 4; the air inlet pipe 9 is inserted at the upper part of the right side of the upper barrel 4; the L-shaped limiting ring 10 is arranged at the upper part of the inner side of the lower cylinder body 2 through a screw; the filter frame structure 11 convenient to disassemble is arranged on the inner side of the L-shaped limiting ring 10; the tight-pushing sealing frame structure 12 is arranged on the left side of the lower barrel 2; the adjustable cleaning guiding frame structure 13 is arranged on the left side of the tight pushing sealing frame structure 12; the oil return pipe 14 is inserted at the lower part of the front side of the lower cylinder body 2; the jacking positioning frame structure 15 is arranged at the right lower side of the inner wall of the lower barrel body 2; the adjustable cleaning leading-out frame structure 13 comprises a leading-out pipe 131, a leading-out valve 132, a sealing cover 133, a shaft plate 134, a connecting rod 135, a connecting sleeve 136 and a cleaning brush 137, wherein the leading-out valve 132 is in threaded connection with the middle of the leading-out pipe 131; the sealing cover 133 is screwed on the left side of the outer part of the delivery pipe 131; the shaft plate 134 is welded at the middle position of the left side of the sealing cover 133; the cleaning brush 137 is embedded in the right side of the connecting sleeve 136, the connecting rod 135 is used for cleaning the bottom of the filter screen frame 116 through the guide pipe 131 and the movable pipe 124, the filter screen frame 116 is convenient to clean and maintain when in use, the connecting rod 135 is coupled to the left side of the shaft plate 134, the connecting rod 135 is conveniently utilized to drive the sealing cover 133 to rotate from the left side of the guide pipe 131 through the shaft plate 134 according to requirements when in use, the sealing cover 133 is convenient to detach, the connecting sleeve 136 is in threaded connection with the lower portion of the outer side of the connecting rod 135, the connecting sleeve 136 is conveniently screwed down from the connecting rod 135 according to requirements when in use, and the cleaning brush 137 is convenient to maintain after the connecting sleeve 136 is detached.

As shown in fig. 3, in the above embodiment, specifically, the tight-pushing seal frame structure 12 includes a fixed frame 121, a storage frame 122, a positioning hole 123, a movable tube 124, a connecting ring 125, a return tension spring 126, a protecting sleeve 127 and a sealing washer 128, wherein the fixed frame 121 is embedded in the left side of the lower cylinder 2; the storage frame 122 is embedded in the right side of the fixed frame 121; the positioning hole 123 is formed in the left side of the fixing frame 121; the movable tube 124 is inserted into the positioning hole 123; the connecting ring 125 is mounted on the left outer side of the movable tube 124 by screws; reset extension spring 126 cup joint in the outside of movable tube 124, both ends respectively with the right side of go-between 125 and the left side screwed connection of fixed frame 121 about reset extension spring 126 simultaneously, the convenience is used to reset extension spring 126 and is played taut function to the right side to go-between 125 when using, and then can make seal ring 128 closely laminate with the left end of filter screen frame 116, lag 127 glue respectively in the outside junction of go-between 125 and fixed frame 121, can increase the guard action to reset extension spring 126 when using, and can avoid reset extension spring 126 to receive external influence to it easily.

In the above embodiment, as shown in fig. 5, specifically, the tightening positioning frame structure 15 includes a positioning tube 151, a sealing ring 152, a movable frame 153, a tightening spring 154, a movable rod 155 and a tightening wheel 156, and the positioning tube 151 is screwed on the right side of the inner wall of the lower cylinder 2; the movable frame 153 is inserted into the inner side of the positioning tube 151; the movable rod 155 is inserted into the left side of the inner part of the positioning tube 151, and the movable rod 155 is arranged on the left side of the movable frame 153 by a screw; the tight wheel 156 coupling in top in the left side of movable rod 155, the lower part right side of filter screen frame 116 is played the supporting role with tight wheel 156 in top in the convenience when using, thereby filter screen frame 116 is to a lopsidedness when avoiding using, and then can play locate function to it, sealing ring 152 cup joint in the outside of movable rod 155, sealing ring 152 splices in the left end of registration arm 151 simultaneously, can increase the sealed effect of movable rod 155 and registration arm 151 junction when using, and can avoid fluid to enter into the inboard of registration arm 151 easily, tight spring 154 in top set up the inboard at registration arm 151, the left side of tight spring 154 of top contacts with the right side of movable frame 153 simultaneously, the tight function in top is played to movable frame 153 and movable rod 155 in the convenience when using with tight spring 154.

As shown in fig. 2, in the above embodiment, specifically, the detachable filter frame structure 11 includes a rectangular plate 111, a guiding hopper 112, a silicone ring 113, a V-shaped rod 114, a connecting handle 115 and a filter screen frame 116, wherein the guiding hopper 112 is embedded inside the rectangular plate 111; the V-shaped rod 114 is mounted on the inner side of the guide-in hopper 112 through screws; the filter screen frame 116 is mounted on the lower part of the rectangular plate 111 through screws; rectangular plate 111 place the inboard upper portion at L type spacing ring 10, hold when not using and connect 115 so that take out rectangular plate 111 from L type spacing ring 10 in, and then conveniently take out the maintenance to rectangular plate 111, silica gel ring 113 cementing in the upper portion outside of leading-in fill 112, can increase the sealed effect when leading-in fill 112 inserts down barrel 2 when using, from avoiding the feed liquid to fall from leading-in fill 112 and the inner wall of barrel 2 down.

Principle of operation

In the working process of the invention, when in use, oil is filtered by the filter screen frame 116, the sealing cover 133 is detached from the guide pipe 131 after a section of oil is used, the guide valve 132 is opened, the cleaning brush 137 passes through the guide pipe 131 and the movable pipe 124 by the connecting rod 135 and lightly wipes the bottom of the filter screen frame 116, so as to facilitate the detachment and maintenance of the filter screen frame 116, the sealing washer 128 is tightly attached to the left side of the filter screen frame 116 under the action of the reset tension spring 126, the movable frame 153 and the movable rod 155 are tightly jacked by the jacking spring 154, so that the jacking wheel 156 can play a positioning and supporting role on the right side of the lower part of the filter screen frame 116, the bolt and nut 6 are detached from the lower side ear plate 3 and the upper side ear plate 5 when large maintenance is needed, so as to facilitate the upper barrel 4 to be detached from the lower barrel 2, and then the rectangular plate 111 is pulled out from the L-shaped limiting ring 10 by the connecting rod 115, thereby facilitating the removal and replacement of the filter screen frame 116.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.