Easily detachable bag type filter

Abstract

The utility model relates to the technical field of filters, and discloses an easy-to-disassemble bag type filter which comprises a base, a filter cylinder body fixedly connected to the base, a cylinder cover arranged at the top of the filter cylinder body, a filter bag arranged on the inner side of the filter cylinder body, and a mounting mechanism arranged on the base and used for mounting the filter cylinder body and the cylinder cover, and a dismounting mechanism for dismounting the filter bag is arranged on the inner side of the filter cylinder body. When the filter is used, a user can mount the cylinder cover and the filter cylinder body through the mounting mechanism, and the filter bag can be fixed when the cylinder cover and the filter cylinder body are mounted, so that the use convenience is improved, the number of screw rods needing to rotate is greatly reduced during disassembly, and the use convenience is further improved while the use cost is reduced. The disassembly efficiency can be improved, so that the convenience in disassembly of the filter and the filter bag is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, and in particular to an easily detachable bag filter. Background Art

[0002] Bag filter is a common industrial filtration equipment used to remove solid particles from gas or liquid. It usually consists of one or more filter bags with filter media such as cellulose, synthetic materials or metal mesh inside. The working principle of bag filter is that by passing the medium to be filtered through the filter bag, solid particles are trapped inside the filter bag, while clean gas or liquid is released through the filter bag.

[0003] The Chinese utility model patent with application number: CN201920169175.3 discloses an easily replaceable bag filter, including a filter cylinder, a filter cylinder cover is installed on the top of the filter cylinder, a liquid inlet is provided on one side of the filter cylinder, a liquid outlet is provided on the bottom of the filter cylinder, two horizontally symmetrical mounting plates are welded to the inner wall of the filter cylinder, the same filter screen cylinder is fixedly installed at the bottom of the two mounting plates, a connecting fixing plate is placed on the top of the two mounting plates, the same mounting frame is fixedly installed at the bottom of the two connecting fixing plates, a filter bag is fixedly installed at the bottom of the mounting frame, the filter bag is located in the filter screen cylinder, and a card slot is provided on the side of the two connecting fixing plates away from each other. The utility model is convenient for opening the filter cylinder cover, convenient for cleaning the inside of the filter cylinder, and convenient for disassembling the filter bag and replacing the filter bag, and has a simple structure and is easy to use.

[0004] However, when replacing the filter bag with the above technical solution, the user first needs to turn a large number of screws to release the installation of the barrel cover and the barrel body, and then needs to further release the fixation of the filter bag before the filter bag can be taken out of the filter barrel. This method increases the operation steps, which in turn affects the effect of replacing the filter bag. In addition, it is necessary to turn the screw to release the connection between the barrel body and the barrel cover, which further reduces the disassembly efficiency. Utility Model Content

[0005] The utility model aims to provide an easily detachable bag filter to solve the problem in the prior art that, when replacing the filter bag, the user first needs to rotate a large number of screws to release the installation of the cylinder cover and the cylinder body, and then needs to additionally release the fixation of the filter bag before the filter bag can be taken out of the filter cylinder. This method increases the operating steps, thereby affecting the effect of replacing the filter bag, and it is necessary to rotate the screw to release the connection between the cylinder body and the cylinder cover, thereby further reducing the problem of disassembly efficiency.

[0006] The utility model provides the following technical solutions: an easily detachable bag filter, comprising a base, to which a filter body is fixedly connected, a cartridge cover is arranged on the top of the filter body, a filter bag is arranged on the inner side of the filter body, a mounting mechanism for mounting the filter body and the cartridge cover is arranged on the base, and a disassembly mechanism for disassembling and assembling the filter bag is arranged on the inner side of the filter body.

[0007] As a preferred embodiment of the above technical solution, four legs distributed at equal angles are fixedly connected to the bottom of the base, a connecting pipe is arranged at the bottom of the filter body, and an outlet pipe is arranged on the outside of the filter body.

[0008] As a preferred embodiment of the above technical solution, the mounting mechanism includes a shell plate fixedly connected to the top of the base, a fixing plate fixedly connected to the outside of the filter cylinder body, and four equiangularly distributed plug rods fixedly connected to the bottom of the cylinder cover, a groove is opened on the inner side of the shell plate, a screw is rotatably connected to the inner side of the groove, a connecting plate is threadedly connected to the outer side of the screw, the cylinder cover is fixedly connected to the end of the connecting plate away from the screw, the end of the screw away from the groove passes through the groove and is fixedly connected to the shell plate with a handle, four equiangularly distributed plug cylinders are fixedly connected to the top of the fixing plate, a first spring is fixedly connected to the inner side of the plug cylinder, and a slide plate is fixedly connected to the end of the first spring away from the plug cylinder, so that when in use, the user can rotate the handle on the top of the shell plate, the rotation of the handle drives the screw to rotate, the rotation of the screw drives the connecting plate to move in the groove on the inner side of the shell plate, and the movement of the connecting plate drives The cylinder cover moves, and the movement of the cylinder cover drives the insertion rod and the disassembly and assembly mechanism at its bottom to move. After the cylinder cover moves to a certain position, the insertion rod at the bottom of the cylinder cover will be inserted into the inner side of the insertion tube. Since the cylinder cover is still moving at this time, the insertion rod will drive the slide plate inside the insertion tube to move, and the movement of the slide plate will squeeze the first spring. The cylinder cover moves to a certain position and engages with the filter body. At this time, the installation of the cylinder cover and the filter body is completed, and the first spring in the insertion tube can increase the connection tightness between the connecting plate and the screw. When it is necessary to separate the cylinder cover from the filter body, the user can reversely rotate the handle on the top of the shell plate. Similarly, the rotation of the handle drives the screw to rotate in the opposite direction, and the rotation of the screw drives the connecting plate and the cylinder cover to move. When the connecting plate moves to a certain position, the cylinder cover will be separated from the filter body, thereby greatly reducing the number of screws that need to be rotated, thereby improving ease of use.

[0009] As a preferred embodiment of the above technical solution, the screw is connected to the inner bottom of the groove through a bearing and a rotation, the tops of the four insert cylinders are all open, the specifications and sizes of the four insert cylinders are the same, the positions of the four insert rods correspond to the four insert cylinders respectively, and the sizes of the four insert rods match the four insert cylinders respectively, and a sealing ring matching the inner diameter size of the filter cylinder body is provided at the bottom of the cylinder cover.

[0010] As a preferred embodiment of the above technical solution, the disassembly and assembly mechanism includes a positioning plate fixedly connected to the inner side of the filter cylinder body and three fixed cylinders fixedly connected to the bottom of the cylinder cover at equal angles. A through hole penetrating the positioning plate is provided on the top of the positioning plate, and a card slot is provided on the top of the positioning plate. A filter screen cylinder is inserted into the inner side of the card slot, and an internal thread is provided on the inner side of the filter screen cylinder. The inner thread of the internal thread is connected to a connecting cover, and the filter bag is fixedly connected to the bottom of the connecting cover. A second spring is fixedly connected to the inner side of the fixed cylinder, and a movable plate is fixedly connected to one end of the second spring away from the fixed cylinder, and a pressure rod is fixedly connected to the side of the movable plate away from the second spring, so that when in use, the user can rotate the connecting cover on the top of the filter bag into the internal thread inside the filter screen cylinder. At this time, the filter bag and the filter screen cylinder are installed, and then the user can put the filter screen cylinder into the card slot on the positioning plate After the filter bag in the filter mesh cylinder needs to be replaced, the user can release the installation of the cylinder cover and the filter body through the installation mechanism, and then the filter mesh cylinder can be taken out from the filter, thereby reducing the disassembly steps and improving the efficiency of replacing or removing the filter bag.

[0011] As a preferred embodiment of the above technical solution, the slot is connected to the through hole, and the slot is distributed above the through hole. The size of the slot matches the filter screen cylinder. Three arc-shaped handles are also fixedly connected to the top of the filter screen cylinder. Both ends of the connecting cover are open, and the outer side of the connecting cover is provided with an external thread matching the internal thread specification.

[0012] As a preferred embodiment of the above technical solution, the three fixed cylinders are fixedly connected to the bottom of the cylinder cover, and the specifications and sizes of the three fixed cylinders are the same, one end of the three pressure rods inside the three fixed cylinders are respectively fixedly connected to the three movable plates inside the three fixed cylinders, and the other ends of the three pressure rods are respectively distributed through the three fixed cylinders.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model is provided with a base, a filter cylinder body, a cylinder cover, a filter bag, an installation mechanism and a disassembly mechanism, so that when in use, the user can rotate the connecting cover on the top of the filter bag into the internal thread inside the filter screen cylinder. At this time, the filter bag and the filter screen cylinder are installed. Thereafter, the user can put the filter screen cylinder into the slot on the positioning plate, pass the filter screen cylinder through the through hole and adjust the position. Thereafter, the user can rotate the handle on the top of the shell plate, and the rotation of the handle drives the screw to rotate. The rotation of the screw drives the connecting plate to move in the groove inside the shell plate. The movement of the connecting plate drives the cylinder cover to move. The movement of the cylinder cover drives the insertion rod, the fixing cylinder and the pressure rod at the bottom thereof to move. After the cylinder cover moves to a certain position, the insertion rod at the bottom of the cylinder cover will be inserted into the inside of the insertion cylinder, and the pressure rod at the bottom of the fixing cylinder will contact the filter screen cylinder. Since the cylinder cover is still moving at this time, the insertion rod will drive the sliding plate inside the insertion cylinder to move. The movement of the sliding plate will squeeze the first spring, and the movement of the pressure rod will drive the moving plate to squeeze the second spring The spring will move the cylinder cover to a certain position and engage with the filter cylinder body. At this time, the installation of the cylinder cover and the filter cylinder body is completed. At this time, the pressure rod will fix the filter screen in the slot on the positioning plate with the cooperation of the second spring and the slot, and the spring in the insert cylinder can increase the connection tightness between the connecting plate and the screw. When the filter bag needs to be replaced, the user can rotate the handle on the top of the shell plate in the opposite direction. Similarly, the rotation of the handle drives the screw to rotate in the opposite direction. At this time, the cylinder cover will be separated from the filter cylinder body. At this time, the user can take the filter screen cylinder out of the slot through the arc-shaped handle on the top of the filter screen cylinder, and then remove the filter bag from the internal thread on the inner side of the filter screen cylinder, and install a new filter bag in the same way. After that, the cylinder cover and the filter screen cylinder can be installed in the same way. It is convenient for users to disassemble the filter while greatly reducing the number of screws that need to be rotated, thereby greatly improving the convenience of disassembling the filter and the filter bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A first-person perspective view of an easily removable bag filter;

[0016] Figure 2 A cross-sectional view of an easily removable bag filter from a first perspective;

[0017] Figure 3 A cross-sectional view of an easily removable bag filter from a second perspective;

[0018] Figure 4 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0019] Figure 5 for Figure 2 Enlarged schematic diagram of the structure at point B in the middle.

[0020] In the figure: 1. base; 11. shell plate; 12. fixing plate; 13. groove; 14. screw; 15. connecting plate; 16. handle; 17. insert cylinder; 18. first spring; 19. slide plate; 110. insert rod; 2. filter cylinder; 21. positioning plate; 22. through hole; 23. slot; 24. filter cylinder; 25. internal thread; 26. connecting cover; 27. fixing cylinder; 28. second spring; 29. ​​movable plate; 210. pressure rod; 3. cylinder cover; 4. filter bag; 5. supporting leg; 6. connecting pipe; 7. outlet pipe. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] Embodiment 1

[0023] like Figure 1 and Figure 4 As shown, the utility model provides a technical solution: an easily detachable bag filter, comprising a base 1, a filter body 2 is fixedly connected to the base 1, a cylinder cover 3 is arranged on the top of the filter body 2, a filter bag 4 is arranged on the inner side of the filter body 2, a mounting mechanism for mounting the filter body 2 and the cylinder cover 3 is arranged on the base 1, a disassembly mechanism for disassembling and assembling the filter bag 4 is arranged on the inner side of the filter body 2, four legs 5 distributed at equal angles are fixedly connected to the bottom of the base 1, a connecting pipe 6 is arranged at the bottom of the filter body 2, an outlet pipe 7 is arranged on the outer side of the filter body 2, the mounting mechanism comprises a shell plate 11 fixedly connected to the top of the base 1 and a fixing plate 12 fixedly connected to the outer side of the filter body 2, and four plugging rods 110 distributed at equal angles are fixedly connected to the bottom of the cylinder cover 3, a groove 13 is opened on the inner side of the shell plate 11, and the inner side of the groove 13 is rotated A screw rod 14 is dynamically connected, and a connecting plate 15 is connected to the external thread of the screw rod 14. The barrel cover 3 is fixedly connected to the end of the connecting plate 15 away from the screw rod 14. The end of the screw rod 14 away from the groove 13 passes through the groove 13 and is fixedly connected to the shell plate 11 with a handle 16. The top of the fixed plate 12 is fixedly connected with four plug cylinders 17 distributed at equal angles. The inner side of the plug cylinder 17 is fixedly connected with a first spring 18. The end of the first spring 18 away from the plug cylinder 17 is fixedly connected with a slide plate 19. The screw rod 14 is connected to the inner bottom of the groove 13 through a bearing and rotation. The tops of the four plug cylinders 17 are all opened. The specifications and sizes of the four plug cylinders 17 are the same. The positions of the four plug rods 110 correspond to the four plug cylinders 17 respectively, and the sizes of the four plug rods 110 match the four plug cylinders 17 respectively. A sealing ring matching the inner diameter size of the filter barrel body 2 is provided at the bottom of the barrel cover 3.

[0024] Through the above technical solution, when in use, the user can rotate the handle 16 on the top of the shell plate 11, the rotation of the handle 16 drives the screw 14 to rotate, the rotation of the screw 14 drives the connecting plate 15 to move in the groove 13 on the inner side of the shell plate 11, the movement of the connecting plate 15 drives the cylinder cover 3 to move, the movement of the cylinder cover 3 drives the insertion rod 110 and the disassembly mechanism at the bottom thereof to move, after the cylinder cover 3 moves to a certain position, the insertion rod 110 at the bottom of the cylinder cover 3 will be inserted into the inner side of the insertion cylinder 17, because the cylinder cover 3 is still moving at this time, the insertion rod 110 will drive the slide plate 19 inside the insertion cylinder 17 to move, the movement of the slide plate 19 will squeeze the first spring 18, and the cylinder cover 3 will move. When it moves to a certain position, it will engage with the filter body 2. At this time, the installation of the cartridge cover 3 and the filter body 2 is completed, and the first spring 18 in the insert 17 can increase the connection tightness between the connecting plate 15 and the screw 14. When the cartridge cover 3 and the filter body 2 need to be separated, the user can reversely rotate the handle 16 on the top of the shell plate 11. Similarly, the rotation of the handle 16 drives the screw 14 to rotate in the opposite direction, and the rotation of the screw 14 drives the connecting plate 15 and the cartridge cover 3 to move. When the connecting plate 15 moves to a certain position, the cartridge cover 3 and the filter body 2 are separated, thereby greatly reducing the number of screws 14 that need to be rotated, thereby improving the convenience of use.

[0025] Embodiment 2

[0026] like Figure 2 , Figure 3 Figure 4 and Figure 5As shown, the utility model provides a technical solution: an easily detachable bag filter, comprising a base 1, a filter body 2 is fixedly connected to the base 1, a cylinder cover 3 is arranged on the top of the filter body 2, a filter bag 4 is arranged on the inner side of the filter body 2, a mounting mechanism for mounting the filter body 2 and the cylinder cover 3 is arranged on the base 1, a disassembly mechanism for disassembling and assembling the filter bag 4 is arranged on the inner side of the filter body 2, four legs 5 distributed at equal angles are fixedly connected to the bottom of the base 1, a connecting pipe 6 is arranged at the bottom of the filter body 2, an outlet pipe 7 is arranged on the outer side of the filter body 2, the disassembly mechanism comprises a positioning plate 21 fixedly connected to the inner side of the filter body 2 and three fixed cylinders 27 distributed at equal angles are fixedly connected to the bottom of the cylinder cover 3, a through hole 22 penetrating the positioning plate 21 is provided on the top of the positioning plate 21, a card slot 23 is provided on the top of the positioning plate 21, a filter screen cylinder 24 is inserted into the inner side of the card slot 23, an inner thread 25 is arranged on the inner side of the filter screen cylinder 24, and the inner thread 2 5 is connected with a connecting cover 26 through a thread on the inner side, the filter bag 4 is fixedly connected to the bottom of the connecting cover 26, a second spring 28 is fixedly connected to the inner side of the fixed cylinder 27, a movable plate 29 is fixedly connected to one end of the second spring 28 away from the fixed cylinder 27, a pressure rod 210 is fixedly connected to the side of the movable plate 29 away from the second spring 28, the card slot 23 is communicated with the through hole 22, and the card slot 23 is distributed above the through hole 22, the size of the card slot 23 matches the filter screen cylinder 24, and three arc-shaped handles are also fixedly connected to the top of the filter screen cylinder 24, both ends of the connecting cover 26 are open, and the outer side of the connecting cover 26 is provided with an external thread matching the specification of the internal thread 25, the three fixed cylinders 27 are fixedly connected to the bottom of the cylinder cover 3, and the specifications and sizes of the three fixed cylinders 27 are the same, one end of the three pressure rods 210 inside the three fixed cylinders 27 are respectively fixedly connected to the three movable plates 29 inside the three fixed cylinders 27, and the other ends of the three pressure rods 210 are respectively distributed through the three fixed cylinders 27.

[0027] Through the above technical solution, when in use, the user can rotate the connecting cover 26 on the top of the filter bag 4 into the internal thread 25 on the inner side of the filter screen cylinder 24. At this time, the filter bag 4 and the filter screen cylinder 24 are installed. After that, the user can put the filter screen cylinder 24 into the slot 23 on the positioning plate 21, and adjust the position after the filter screen cylinder 24 passes through the through hole 22. After that, the user can install the cylinder cover 3 and the filter cylinder body 2 through the installation mechanism. When the cylinder cover 3 moves, the cylinder cover 3 will drive the fixed cylinder 27 and the pressure rod 210 at the bottom thereof to move. After the cylinder cover 3 moves to a certain position, the pressure rod 210 at the bottom of the fixed cylinder 27 will be in contact with the positioning plate 21. The filter screen cylinder 24 contacts the filter screen cylinder 24, and then the pressure rod 210 will drive the movable plate 29 to squeeze the second spring 28. When the cylinder cover 3 and the filter cylinder body 2 are installed, the pressure rod 210 will fix the filter screen cylinder 24 in the card slot 23 on the positioning plate 21 with the cooperation of the second spring 28 and the card slot 23, thereby completing the installation of the filter screen cylinder 24. When the filter bag 4 in the filter screen cylinder 24 needs to be replaced, the user can release the installation of the cylinder cover 3 and the filter cylinder body 2 through the installation mechanism, and then the filter screen cylinder 24 can be taken out from the filter, thereby achieving the effect of reducing the disassembly steps, thereby improving the efficiency of replacing or disassembling the filter bag 4.

[0028] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. An easily detachable bag filter, comprising a base (1), characterized in that: A filter body (2) is fixedly connected to the base (1), a cover (3) is arranged on the top of the filter body (2), a filter bag (4) is arranged on the inner side of the filter body (2), a mounting mechanism for mounting the filter body (2) and the cover (3) is arranged on the base (1), and a disassembly mechanism for disassembling the filter bag (4) is arranged on the inner side of the filter body (2).

2. The easily detachable bag filter according to claim 1, characterized in that: The bottom of the base (1) is fixedly connected with four legs (5) distributed at equal angles, the bottom of the filter body (2) is provided with a connecting pipe (6), and the outside of the filter body (2) is provided with an outlet pipe (7).

3. The easily detachable bag filter according to claim 1, characterized in that: The mounting mechanism comprises a shell plate (11) fixedly connected to the top of the base (1), a fixing plate (12) fixedly connected to the outside of the filter body (2), and four plug rods (110) fixedly connected to the bottom of the cartridge cover (3) at equal angles. A groove (13) is provided on the inner side of the shell plate (11). A screw rod (14) is rotatably connected to the inner side of the groove (13). The outer side of the screw rod (14) is threadedly connected to a connecting plate (15). The cartridge cover (3) is fixedly connected to the filter body (2). The fixing plate (12) is fixedly connected to one end of the connecting plate (15) away from the screw rod (14); the end of the screw rod (14) away from the groove (13) passes through the groove (13) and the shell plate (11) and is fixedly connected to a handle (16); the top of the fixing plate (12) is fixedly connected to four plug-in cylinders (17) distributed at equal angles; the inner side of the plug-in cylinder (17) is fixedly connected to a first spring (18); the end of the first spring (18) away from the plug-in cylinder (17) is fixedly connected to a slide plate (19).

4. The easily detachable bag filter according to claim 3, characterized in that: The screw rod (14) is rotatably connected to the inner bottom of the groove (13) via a bearing; the tops of the four insert cylinders (17) are all open; the specifications and sizes of the four insert cylinders (17) are all the same; the positions of the four insert rods (110) respectively correspond to the four insert cylinders (17); and the sizes of the four insert rods (110) respectively match the four insert cylinders (17); and a sealing ring matching the inner diameter size of the filter cylinder body (2) is provided at the bottom of the cylinder cover (3).

5. The easily detachable bag filter according to claim 1, characterized in that: The disassembly and assembly mechanism comprises a positioning plate (21) fixedly connected to the inner side of the filter cylinder body (2) and three fixed cylinders (27) fixedly connected to the bottom of the cylinder cover (3) at equal angles. A through hole (22) penetrating the positioning plate (21) is provided at the top of the positioning plate (21). A clamping groove (23) is provided at the top of the positioning plate (21). A filter screen cylinder (24) is inserted into the inner side of the clamping groove (23). An internal thread (25) is provided on the inner side of the filter screen cylinder (24). The inner side of the internal thread (25) is threadedly connected to a connecting cover (26). The filter bag (4) is fixedly connected to the bottom of the connecting cover (26). A second spring (28) is fixedly connected to the inner side of the fixed cylinder (27). A movable plate (29) is fixedly connected to one end of the second spring (28) away from the fixed cylinder (27). A pressure rod (210) is fixedly connected to the side of the movable plate (29) away from the second spring (28).

6. The easily detachable bag filter according to claim 5, characterized in that: The card slot (23) is communicated with the through hole (22), and the card slot (23) is distributed above the through hole (22). The size of the card slot (23) matches the filter screen cylinder (24). The top of the filter screen cylinder (24) is also fixedly connected with three arc-shaped handles. Both ends of the connecting cover (26) are open, and the outer side of the connecting cover (26) is provided with an external thread matching the specification of the internal thread (25).

7. The easily detachable bag filter according to claim 5, characterized in that: The three fixed cylinders (27) are all fixedly connected to the bottom of the cylinder cover (3), and the three fixed cylinders (27) have the same specifications and sizes. One end of the three pressure rods (210) inside the three fixed cylinders (27) are respectively fixedly connected to the three movable plates (29) inside the three fixed cylinders (27), and the other ends of the three pressure rods (210) pass through the three fixed cylinders (27) and are distributed.

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