High-precision filtering device for pressure regulating pry
The filter screen surface is cleaned by a motor-driven lifting plate and brush system, and the filter screen can be quickly replaced through a simplified snap-fit structure. This solves the problems of filter screen clogging and cumbersome replacement, and improves filtration efficiency and convenience.
Patent Information
- Application Number
- CN202520304626.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-02-25
AI Technical Summary
The existing high-precision filtration device with pressure regulating skid is prone to dirt accumulation on the filter screen after long-term use, which leads to mesh blockage and reduced filtration efficiency. At the same time, the process of replacing the filter screen is cumbersome and increases the workload.
A reciprocating screw system driven by a motor drives a lifting plate and a brush to clean the surface of the filter screen, and the filter screen can be quickly replaced through a simple snap-fit structure.
It improves the filtration efficiency of the filter screen, reduces maintenance, simplifies the cleaning and replacement process of the filter screen, and enhances the practicality of the device.
Smart Images

Figure CN223914850U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of pressure regulating crowbar, especially relates to a high-precision filtering device for pressure regulating crowbar. BACKGROUND
[0002] Through searching Chinese patent, the high-precision filtering device of pressure regulating crowbar with publication number CN216320667U, including jar body, filter mechanism and first filter cavity, the filter mechanism sets up inside the jar body, the first filter cavity is opened in the inside of jar body, the filter mechanism includes fixed plate.The high-precision filtering device of pressure regulating crowbar, three filter plates are arranged in the inside of jar body, can carry out high-precision filtration to gas, intercepts the particulate impurity in gas, the dust particle under the interception of filter screen falls to the inside of dust collecting cavity along the left wall of filter screen under the condition that gas stops conveying, the tapered ring arranged in the connecting port can prevent dust particles from floating due to air flow, when it is needed to clean dust particles, only need staff to rotate the blowdown cover, makes the blowdown cover separate from the lower end of dust collecting cavity, makes the internal dust particles be discharged, simple structure, convenient to clean, improve the practicality of the high-precision filtering device of pressure regulating crowbar.
[0003] In summary, the filtering device does not have a cleaning function. After long-term use of the filtering device, dirt will adhere to the surface of the filter screen, which will clog the mesh and reduce the filtering efficiency. When cleaning the filter screen, the filter screen needs to be removed for cleaning, which increases the workload and is inconvenient to use. The filter screen of the device is fixed in the inside of the jar body by the fixed plate, and the fixed plate and the pipe body are fixed by bolts. When replacing the filter screen, tools are needed to disassemble and assemble, which is cumbersome and increases the workload. In order to solve the above problems, we propose a high-precision filtering device for pressure regulating crowbar. SUMMARY
[0004] The utility model aims at providing a high-precision filtering device for pressure regulating crowbar, which has the advantages of cleaning function and convenient replacement of filter screen.
[0005] The above technical purpose of the utility model is realized through the following technical scheme: a high-precision filtering device for pressure regulating crowbar, including filter box, the surface of filter box is connected with air inlet pipe and air outlet pipe respectively, the top of filter box is connected with fixed frame, the top of fixed frame is connected with motor, the output end of motor is connected with reciprocating screw rod through fixed frame and coupling, and the bottom of reciprocating screw rod is rotatably connected with the top of filter box, the surface of reciprocating screw rod is slidably connected with sliding cylinder, the inner wall of sliding cylinder is rotatably connected with transmission block, and the inner wall of transmission block is slidably connected with reciprocating screw rod, the surface of sliding cylinder is connected with lifting plate, the bottom of lifting plate is connected with lifting rod, and the inner wall of filter box is slidably connected with lifting rod, the bottom of lifting rod is provided with abutting mechanism, and the surface of abutting mechanism is connected with brush.
[0006] The above technical scheme can achieve the purpose of cleaning the filter screen, ensure the filtering efficiency of the filter screen, reduce the maintenance amount and improve the practicability.
[0007] The utility model further sets up: the inner wall of filter box is slidably connected with filter screen, the surface of filter screen is connected with cover plate, the surface of cover plate is connected with installation rod, and the inner wall of filter box is slidably connected with installation rod, the inner wall of filter box is slidably connected with fixed rod, the surface of installation rod is equipped with fixed hole, and fixed rod is connected with fixed hole, the inner wall of filter box is slidably connected with clamping rod, the first spring is arranged between the inner wall of filter box and one end of clamping rod, the surface of clamping rod is connected with push rod, the surface of fixed rod is equipped with clamping hole, and one end of clamping rod is connected with clamping hole.
[0008] The above technical scheme can achieve the purpose of conveniently replacing the filter screen, reduce the workload and improve the replacement efficiency.
[0009] The utility model further sets up: the abutting mechanism includes sliding plate, the bottom of lifting rod is connected with the top of sliding plate, the inner wall of sliding plate is slidably connected with telescopic plate, and telescopic plate is connected with brush, the second spring is arranged between the inner wall of telescopic plate and sliding plate.
[0010] The above technical scheme can make the brush and the filter screen surface press tightly and improve the cleaning effect.
[0011] The utility model further sets up: the bottom of filter box is connected with the collecting pollution cover, the bottom of collecting pollution cover is connected with the pollution cover of screw thread.
[0012] Adopt above technical scheme, through setting up collecting pollution cover and pollution cover, the dirt on the filter screen is collected, opens the pollution cover, can clean the dirt.
[0013] The utility model further sets up: the inner wall of fixed frame and filter box all is set with the sliding slot, the inner wall sliding connection of sliding slot has the sliding block, and sliding block is respectively connected with the surface of lift plate and sliding plate.
[0014] Adopt above technical scheme, through setting up sliding slot and sliding block, prevent lift plate and sliding plate from deviating, guarantee stable.
[0015] The utility model further sets up: the one end of clamping rod is wedge-shaped.
[0016] Adopt above technical scheme, through setting up the one end of clamping rod is wedge-shaped, it is convenient for fixed fixed rod.
[0017] The utility model further sets up: the inner wall between cover plate and filter box is set with sealing washer.
[0018] Adopt above technical scheme, through setting up sealing washer, improve sealing performance.
[0019] The utility model further sets up: the surface of fixed rod is equipped with the third spring.
[0020] Adopt above technical scheme, through setting up the third spring, it is convenient for fixed rod and fixed hole to separate, convenient to use.
[0021] Summarized above, the utility model has following beneficial effect:
[0022] 1. The utility model discloses a mode that the motor rotation drives reciprocating screw rod to drive lift plate reciprocating lifting, and lift plate reciprocating lifting makes abutting mechanism drive brush to move up and down and cleans the surface of filter screen, can reach the purpose of cleaning filter screen, guarantees the filtering efficiency of filter screen, reduces maintenance amount, improves practicality.
[0023] 2. The utility model discloses a mode that the fixed rod is separated from the fixed hole under the action of the third spring through moving and driving lever, and the new filter screen is loaded into the filter box through pulling out the filter screen by pulling the cover plate, and the fixed rod is fixed through pressing the fixed rod, and the fixed rod is fixed under the action of the first spring through clamping rod, can reach the purpose of convenient replacement of filter screen, reduces work amount and improves the efficiency of replacement. DRAWINGS
[0024] Figure 1 It is the utility model structure perspective drawing;
[0025] Figure 2 is a structural section view of the utility model;
[0026] Figure 3 is a partial structural side section view of the utility model;
[0027] Figure 4 is a partial structural side section view of the utility model;
[0028] Figure 5 is a partial structural side section view of the utility model Figure 2 is an enlarged view of structure A in the utility model;
[0029] Figure 6 is an enlarged view of structure B in the utility model Figure 4 is an enlarged view of structure C in the utility model
[0030] Figure 7 is an enlarged view of structure C in the utility model Figure 2 .
[0031] Reference signs: 1, filter box; 2, air inlet pipe; 3, air outlet pipe; 4, fixing frame; 5, motor; 6, reciprocating screw rod; 7, sliding cylinder; 8, transmission block; 9, lifting plate; 10, lifting rod; 11, abutting mechanism; 12, brush; 13, filter screen; 14, cover plate; 15, mounting rod; 16, fixed rod; 17, fixed hole; 18, clamping rod; 19, first spring; 20, pushing rod; 21, clamping hole; 22, sliding plate; 23, telescopic plate; 24, second spring; 25, dirt collecting cover; 26, dirt discharging cover; 27, chute; 28, sliding block; 29, sealing gasket; 30, third spring. DETAILED DESCRIPTION
[0032] The utility model will be further explained in detail in connection with the drawings.
[0033] Example 1:
[0034] Reference Figure 1 , Figure 2 , Figure 3 and Figure 5The utility model provides a high accuracy filtering device for pressure regulating crowbar, including filter box 1, the surface of filter box 1 is connected with air inlet pipe 2 and air outlet pipe 3 respectively, the top of fixed frame 4 is connected with motor 5, the output of motor 5 passes through fixed frame 4 and is connected with reciprocating screw rod 6 through coupling, and the bottom of reciprocating screw rod 6 is rotatably connected with the top of filter box 1, the surface of reciprocating screw rod 6 is slidably connected with sliding cylinder 7, the inner wall of sliding cylinder 7 is rotatably connected with transmission block 8, and transmission block 8 is slidably connected with the inner wall of reciprocating screw rod 6, the surface of sliding cylinder 7 is connected with lifting plate 9, the bottom of lifting plate 9 is connected with lifting rod 10, and lifting rod 10 is slidably connected with the inner wall of filter box 1, the bottom of lifting rod 10 is provided with abutting mechanism 11, the surface of abutting mechanism 11 is connected with brush 12, and the reciprocating lifting of lifting plate 9 is driven by motor 5 rotation reciprocating screw rod 6, and the reciprocating lifting of lifting plate 9 makes abutting mechanism 11 drive brush 12 to move up and down to clean the surface of filter screen 13, which can clean filter screen 13, ensure the filtering efficiency of filter screen 13, reduce the maintenance amount and improve the practicability.
[0035] Reference Figure 2 And Figure 7 The abutting mechanism 11 includes a sliding plate 22, the top of the sliding plate 22 is connected with the bottom of the lifting rod 10, the inner wall of the sliding plate 22 is slidably connected with a telescopic plate 23, and the telescopic plate 23 is connected with the brush 12, and a second spring 24 is arranged between the telescopic plate 23 and the inner wall of the sliding plate 22. By setting the abutting mechanism 11, the brush 12 is pressed tightly against the surface of the filter screen 13, improving the cleaning effect.
[0036] Reference Figure 2 The bottom of the filter box 1 is connected with a dirt collecting cover 25, and the bottom of the dirt collecting cover 25 is threadedly connected with a dirt discharge cover 26. By setting the dirt collecting cover 25 and the dirt discharge cover 26, the stains on the filter screen 13 are collected, and the stains can be cleaned by opening the dirt discharge cover 26.
[0037] Reference Figure 2 And Figure 3 The inner walls of the fixed frame 4 and the filter box 1 are both provided with sliding grooves 27, the inner walls of the sliding grooves 27 are slidably connected with sliding blocks 28, and the sliding blocks 28 are respectively connected with the surfaces of the lifting plate 9 and the sliding plate 22. By setting the sliding grooves 27 and the sliding blocks 28, the lifting plate 9 and the sliding plate 22 are prevented from deviating, ensuring stability.
[0038] Embodiment 2:
[0039] Reference Figure 1 , Figure 4 And Figure 6A filter screen 13 is slidably connected to the inner wall of the filter box 1. A cover plate 14 is bolted to the surface of the filter screen 13. An installation rod 15 is bolted to the surface of the cover plate 14, and the installation rod 15 is slidably sleeved with the inner wall of the filter box 1. A fixing rod 16 is slidably sleeved with the inner wall of the filter box 1. A fixing hole 17 is opened on the surface of the installation rod 15, and the fixing rod 16 is engaged with the fixing hole 17. A locking rod 18 is slidably sleeved with the inner wall of the filter box 1. A first spring 19 is provided between one end of the locking rod 18 and the inner wall of the filter box 1. A lever is bolted to the surface of the locking rod 18. The moving rod 20 and the fixed rod 16 have snap-fit holes 21 on their surfaces, and the snap-fit holes 21 are snapped into one end of the snap-fit rod 18. By moving the moving rod 20, the fixed rod 16 is disengaged from the fixed hole 17 under the action of the third spring 30. Pulling the cover plate 14 pulls out the filter screen 13, and the new filter screen 13 is installed into the filter box 1. Pressing the fixed rod 16 fixes it. The snap-fit rod 18 fixes the fixed rod 16 under the action of the first spring 19, which can facilitate the replacement of the filter screen 13, reduce the workload, and improve the replacement efficiency.
[0040] refer to Figure 6 One end of the locking rod 18 is wedge-shaped, which facilitates the fixing of the fixing rod 16.
[0041] refer to Figure 6 A sealing gasket 29 is provided between the cover plate 14 and the inner wall of the filter box 1. The sealing performance is improved by providing the sealing gasket 29.
[0042] refer to Figure 1 and Figure 6 A third spring 30 is fitted on the surface of the fixing rod 16. By setting the third spring 30, it is easy for the fixing rod 16 to disengage from the fixing hole 17, making it convenient to use.
[0043] Brief description of the operation: The motor 5 rotates, driving the reciprocating screw 6 to rotate. The reciprocating screw 6 rotates, driving the transmission block 8 to move back and forth. The reciprocating movement of the transmission block 8 drives the slide cylinder 7 to move back and forth. The reciprocating movement of the slide cylinder 7 drives the lifting plate 9 to move up and down. The up and down movement of the lifting plate 9 drives the lifting rod 10, causing the pressing mechanism 11 to move up and down. The up and down movement of the pressing mechanism 11 drives the brush 12 to move up and down, cleaning the surface of the filter box 1, thereby achieving the purpose of cleaning the filter screen 13; move the toggle lever 20, the toggle lever... 20. Moving the locking rod 18 disengages it from the locking hole 21. Under the action of the third spring 30, the fixing rod 16 disengages from the fixing hole 17. Pulling the cover plate 14 pulls the filter screen 13 out of the filter box 1. Then, the new filter screen 13 is installed into the filter box 1, so that the cover plate 14 is pressed against the filter box 1. Pressing the fixing rod 16 causes it to engage with the fixing hole 17. Under the action of the first spring 19, the locking rod 18 engages with the locking hole 21, fixing the fixing rod 16, thereby facilitating the replacement of the filter screen 13.
[0044] The specific embodiments are only an interpretation of the utility model, and are not a limitation of the utility model. Those skilled in the art can make modifications to the embodiments without creative contribution after reading the specification, but as long as the modifications are within the scope of the claims of the utility model, they are protected by the patent law.
Claims
1. A high-precision filtering device for pressure regulating pry, comprising a filtering box (1), characterized in that, The surface of the filter box (1) is respectively communicated with air inlet pipe (2) and air outlet pipe (3), the top of the fixed frame (4) is bolted with motor (5), the output end of the motor (5) passes through the fixed frame (4) and is connected with reciprocating screw rod (6) through shaft coupling, and the bottom of the reciprocating screw rod (6) is rotatably connected with the top of the filter box (1), the surface of the reciprocating screw rod (6) is slidably sleeved with sliding cylinder (7), the inner wall of the sliding cylinder (7) is rotatably connected with transmission block (8), and the inner wall of the transmission block (8) is slidably connected with the reciprocating screw rod (6), the surface of the sliding cylinder (7) is bolted with lifting plate (9), the bottom of the lifting plate (9) is bolted with lifting rod (10), and the lifting rod (10) is slidably sleeved with the inner wall of the filter box (1), the bottom of the lifting rod (10) is provided with abutting mechanism (11), and the surface of the abutting mechanism (11) is bolted with brush (12).
2. A high-precision filtering device for pressure regulating pry according to claim 1, characterized in that, The inner wall of the filter box (1) is slidably connected with filter screen (13), the surface of the filter screen (13) is bolted with cover plate (14), the surface of the cover plate (14) is bolted with mounting rod (15), and the mounting rod (15) is slidably sleeved with the inner wall of the filter box (1), the inner wall of the filter box (1) is slidably sleeved with fixed rod (16), the surface of the mounting rod (15) is provided with fixed hole (17), and the fixed rod (16) is clamped with the fixed hole (17), the inner wall of the filter box (1) is slidably sleeved with clamping rod (18), one end of the clamping rod (18) and the inner wall of the filter box (1) are provided with first spring (19), the surface of the clamping rod (18) is bolted with push rod (20), the surface of the fixed rod (16) is provided with clamping hole (21), and one end of the clamping hole (21) is clamped with the clamping rod (18).
3. The high-precision filtering device for pressure regulating pry according to claim 1, characterized in that, The abutting mechanism (11) comprises a sliding plate (22), the top of the sliding plate (22) is bolted with the bottom of the lifting rod (10), the inner wall of the sliding plate (22) is slidably connected with telescopic plate (23), and the telescopic plate (23) is bolted with the brush (12), the telescopic plate (23) and the inner wall of the sliding plate (22) are provided with second spring (24).
4. The high-precision filtering device for pressure regulating pry according to claim 1, characterized in that, The bottom of the filter box (1) is communicated with the pollution collection cover (25), and the bottom of the pollution collection cover (25) is threadedly connected with the pollution discharge cover (26).
5. The high-precision filtering device for pressure regulating pry according to claim 3, characterized in that, The inner wall of the fixed frame (4) and the filter box (1) is provided with sliding groove (27), the inner wall of the sliding groove (27) is slidably connected with sliding block (28), and the surface of the sliding block (28) is bolted with lifting plate (9) and sliding plate (22) respectively.
6. The high-precision filtering device for pressure regulating pry according to claim 2, characterized in that, One end of the clamping rod (18) is wedge-shaped.
7. The high-precision filtering device for pressure regulating pry according to claim 2, characterized in that, The inner wall between the cover plate (14) and the filter box (1) is provided with sealing gasket (29).
8. The high-precision filtering device for pressure regulating pry according to claim 2, characterized in that, The surface of the fixed rod (16) is sleeved with third spring (30).
Citation Information
Patent Citations
High-precision filtering device of pressure regulating pry
CN216320667U