A multi-stage variable diameter duct filter

Abstract

The utility model discloses a multistage reducing pipeline filter relates to pipeline filter technical field, and this filter includes filter body, filter cavity, sealing cover and a plurality of bolts, is provided with a plurality of docking barrels, and a plurality of synchronous wheels are fixedly connected with one end of a plurality of docking barrels respectively, and synchronous belt is engaged with a plurality of synchronous wheels, and one end of driving rod is fixedly connected with one side of one of synchronous wheels, by rotating driving rod, can pass through synchronous belt and synchronous wheel, drives all docking barrels synchronous rotation, realizes the simultaneous unscrewing or fastening of a plurality of bolts, still includes the adjusting mechanism that is composed of two -way screw rod, connecting frame and mounting plate, and the filter cavity still is provided with the quick cache mechanism that is composed of support frame, filter screen, corrosion -resistant spring and pressure frame. The utility model solves the problem that sealing cover plate dismantles complicatedly, and filter screen takes out inconveniently, has the advantages of high dismounting efficiency, simple operation, reliable structure.

Description

Technical Field

[0001] This utility model relates to the field of pipeline filter technology, and in particular to a multi-stage variable diameter pipeline filter. Background Technology

[0002] Pipeline filters are an indispensable component in fluid transport systems and are widely used in chemical, petroleum, and water treatment industries to remove impurities from fluids and protect downstream equipment.

[0003] With the development of industrial technology, multi-stage variable diameter pipeline filters are increasingly widely used because they can adapt to different pipe diameters and achieve the needs of graded filtration. However, especially for industrial pipeline filters that need to withstand high pressure, the filter chamber and the sealing cover plate usually need to be fastened and sealed with multiple high-strength bolts to prevent fluid leakage.

[0004] When the equipment requires routine maintenance or cleaning of the internal filter screen, the existing operating methods reveal obvious shortcomings. Workers must use tools to loosen and remove multiple bolts on the sealing cover one by one, and then tighten them one by one during installation. This method of disassembling and assembling one by one is not only time-consuming and labor-intensive, but also inefficient. Furthermore, it is difficult to ensure that the multiple bolts are evenly stressed during tightening, which can easily lead to poor sealing or excessive local stress, affecting the service life and safety of the filter.

[0005] Therefore, this utility model proposes a multi-stage variable diameter pipeline filter to overcome the shortcomings of the prior art. Utility Model Content

[0006] In view of the problems in the existing technology of multi-stage variable diameter pipeline filters, where the sealing cover is fixed by multiple bolts, the disassembly and assembly process during maintenance is cumbersome, time-consuming, inefficient, and it is difficult to ensure that the bolts are evenly stressed, this utility model aims to provide a multi-stage variable diameter pipeline filter with an improved structure that can effectively solve the above problems.

[0007] This utility model provides a multi-stage variable diameter pipeline filter, including a filter body, a filter chamber, a connecting pipe, a sealing cover, multiple bolts, multiple connecting cylinders, multiple synchronous pulleys, a synchronous belt, and a drive rod.

[0008] The plurality of synchronous pulleys are fixedly connected to one end of the plurality of docking cylinders, the synchronous belt meshes with the plurality of synchronous pulleys, and one end of the drive rod is fixedly connected to one side of one of the synchronous pulleys.

[0009] Furthermore, the filter body has a filter chamber, the connecting pipe is fixed at the connection point of the filter body, the sealing cover is detachably connected to the opening of the filter chamber by a plurality of bolts, and the plurality of docking cylinders are configured to dock with a plurality of bolts respectively. Through this synchronous transmission structure, when the drive rod is rotated, all docking cylinders can be driven to rotate synchronously via the synchronous belt and the synchronous pulley, thereby realizing the simultaneous loosening or tightening of a plurality of bolts.

[0010] Preferably, the multi-stage variable diameter pipe filter further includes multiple mounting plates, and the multiple docking cylinders are rotatably mounted inside the multiple mounting plates, the mounting plates providing a stable mounting base for the rotation of the docking cylinders.

[0011] Preferably, the multi-stage variable diameter pipe filter further includes multiple connecting frames, and multiple mounting plates are respectively fixedly connected to one end of the multiple connecting frames. The connecting frames are used to transmit the displacement action of the adjustment mechanism.

[0012] Preferably, the multi-stage variable diameter pipe filter further includes an adjusting frame and a bidirectional lead screw. The adjusting frame is fixed to the top of the sealing cover plate, and the bidirectional lead screw is rotatably mounted in the adjusting frame. Multiple connecting brackets are threaded to the outer wall of the bidirectional lead screw. This structure is used to drive the connecting brackets to move synchronously closer or further away, so that the docking cylinder and the bolt are automatically aligned.

[0013] Preferably, the multi-stage variable diameter pipe filter further includes a drive disc, which is fixedly connected to one end of the bidirectional lead screw and is used to provide manual or automatic rotational driving force for the bidirectional lead screw, making operation convenient.

[0014] Preferably, the multi-stage variable diameter pipe filter further includes a protective cover, which is fixed to one side of the mounting plate where the synchronous wheel connected to the drive rod is located. The drive rod is rotatably mounted inside the protective cover to protect the drive mechanism and provide an operating interface.

[0015] Preferably, the multi-stage variable diameter pipe filter further includes a support frame, a filter screen, a corrosion-resistant spring, and a pressure frame. The support frame is fixed inside the filter chamber, the filter screen is inserted inside the support frame, one end of the corrosion-resistant spring is fixed to the inner wall of the support frame, and the other end of the corrosion-resistant spring is fixed to one side of the pressure frame. The pressure frame presses against the filter screen under normal conditions, thereby achieving rapid fixation of the filter screen.

[0016] Preferably, the multi-stage variable diameter pipe filter further includes a limiting post, one end of which is fixedly connected to one side of the pressure frame, and the corrosion-resistant spring is sleeved on the outer wall of the limiting post to provide guidance when the spring is compressed or reset, preventing the spring from tilting.

[0017] Preferably, the multi-stage variable diameter pipe filter further includes a guide groove, which is formed on the inner wall of the support frame. The other end of the limiting post is slidably engaged in the guide groove, further ensuring the smooth linear movement of the pressure frame under force and improving the reliability of the quick-release mechanism.

[0018] This utility model has the following beneficial effects:

[0019] 1. This utility model solves the problem in the prior art that when disassembling the filter sealing cover, it is necessary to loosen the fixing bolts one by one, which is cumbersome, time-consuming and inefficient. By setting up a synchronous transmission mechanism composed of a drive rod, a synchronous belt, a synchronous pulley and a docking cylinder, it achieves the technical effect of simultaneously loosening or tightening multiple bolts by operating the drive rod, thereby improving the efficiency of disassembly and assembly of the sealing cover.

[0020] 2. This utility model solves the problem of quick-release mechanism being difficult to quickly align with bolts before operation by setting up a translation adjustment mechanism composed of a drive disc, a two-way lead screw, a connecting frame and a mounting plate. It achieves the technical effect of driving the quick-release mechanism to translate as a whole by rotating the drive disc, realizing the rapid positioning and docking of the docking cylinder and the bolt, which is convenient to operate and accurate in positioning.

[0021] 3. This utility model solves the problems of inconvenient filter screen removal and easy jamming and instability of the existing technology by setting a filter screen quick-release mechanism composed of a pressure frame, a corrosion-resistant spring, a limiting post and a guide groove. It achieves the technical effect of quickly releasing the filter screen by simply moving the pressure frame, and ensuring a smooth and unobstructed pick-up and drop-off process with the cooperation of the limiting post and the guide groove, making the operation simple and reliable. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of a multi-stage variable diameter pipeline filter proposed in this utility model;

[0023] Figure 2 This is a front view structural diagram of a multi-stage variable diameter pipeline filter proposed in this utility model;

[0024] Figure 3 This is a schematic diagram of the sealing cover portion of a multi-stage variable diameter pipeline filter proposed in this utility model;

[0025] Figure 4 This is a schematic diagram of the mounting plate structure of a multi-stage variable diameter pipeline filter proposed in this utility model;

[0026] Figure 5 This utility model proposes a multi-stage variable diameter pipeline filter. Figure 3 Enlarged schematic diagram of part of the structure at point A in the middle.

[0027] Legend:

[0028] 1. Filter body; 2. Connecting pipe; 3. Filter chamber; 4. Sealing cover; 5. Bolt; 6. Adjusting frame; 601. Two-way lead screw; 602. Drive disc; 603. Connecting frame; 604. Mounting plate; 605. Connecting cylinder; 606. Synchronous pulley; 607. Synchronous belt; 7. Protective cover; 8. Drive rod; 9. Support frame; 10. Filter screen; 11. Corrosion-resistant spring; 12. Pressure frame; 13. Guide groove; 14. Limiting post. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Please refer to Figures 1 to 5 This utility model provides a multi-stage variable diameter pipeline filter, which aims to solve the problems of cumbersome disassembly of the sealing cover plate 4 and inconvenience in cleaning and removing the internal filter screen plate 10 in the prior art.

[0031] like Figure 1 and Figure 2 As shown, the multi-stage variable diameter pipeline filter includes a filter body 1, a filter chamber 3 on the filter body 1, a connecting pipe 2 fixed at the connection point of the filter body 1, a sealing cover 4, and multiple bolts 5. The sealing cover 4 is detachably connected to the opening of the filter chamber 3 by the multiple bolts 5 to seal the filter chamber 3. The multi-stage variable diameter pipeline filter also includes a quick-release mechanism for the cover and a quick-release mechanism for the filter screen. The quick-release mechanism for the cover is used to quickly remove and install the sealing cover 4, and the quick-release mechanism for the filter screen is located inside the filter chamber 3 to quickly remove and place the filter screen 10.

[0032] Specifically, refer to Figure 2 , Figure 3 and Figure 4The quick-release mechanism for the cover plate includes multiple docking cylinders 605, multiple synchronous pulleys 606, a synchronous belt 607, and a drive rod 8. The multiple synchronous pulleys 606 are fixedly connected to one end of the multiple docking cylinders 605 respectively. The synchronous belt 607 meshes with the multiple synchronous pulleys 606. The drive rod 8 is rotatably mounted and one end is fixedly connected to one side of one of the synchronous pulleys 606. The multiple docking cylinders 605 are configured to dock with the multiple bolts 5 respectively, so that by rotating the drive rod 8, the multiple docking cylinders 605 are rotated synchronously via the synchronous belt 607 and the synchronous pulleys 606, thereby realizing the synchronous loosening or tightening of the multiple bolts 5.

[0033] Multiple mounting plates 604 are used to support the actuators of the quick-release mechanism for the cover plate. Multiple docking cylinders 605 are rotatably installed inside the multiple mounting plates 604, providing stable bearing support for the rotation of the docking cylinders 605. The multiple mounting plates 604 are fixedly connected to one end of multiple connecting frames 603, which are used to transmit adjustment actions.

[0034] To enable the drive connecting brackets 603 to move synchronously closer or further away, the mechanism includes an adjusting frame 6 and a bidirectional lead screw 601. The adjusting frame 6 is fixed to the top of the sealing cover plate 4, providing a mounting base for the bidirectional lead screw 601. The bidirectional lead screw 601 is rotatably mounted in the adjusting frame 6. Multiple connecting brackets 603 are included; specifically, two connecting brackets 603 are threadedly connected to the outer wall of the bidirectional lead screw 601, and the threads of the two connecting brackets 603 on the bidirectional lead screw 601 are in opposite directions. A drive disc 602 is also included, fixedly connected to one end of the bidirectional lead screw 601. When the operator rotates the drive disc 602, the bidirectional lead screw 601 rotates, and the two threaded connecting brackets 603 move linearly towards or away from each other, thereby driving multiple mounting plates 604 and multiple docking cylinders 605 to move as a whole, enabling the docking cylinders 605 to quickly and accurately dock or separate from the bolts 5.

[0035] In addition, the mechanism also includes a protective cover 7, which is fixed to one side of the mounting plate 604 where the synchronous wheel 606 connected to the drive rod 8 is located. The drive rod 8 is rotatably mounted inside the protective cover 7. The design of the protective cover 7 not only protects the connection between the drive rod 8 and the synchronous wheel 606, but also provides a safe grip or drive interface for operating the drive rod 8.

[0036] Based on the above embodiments, the present invention also includes a quick-release filter screen mechanism disposed inside the filter chamber 3, which is used to accommodate and fix the filter screen plate 10.

[0037] Please refer to the following carefully. Figure 2 and Figure 5The quick-release filter mechanism includes a support frame 9, a filter plate 10, a corrosion-resistant spring 11, and a pressure frame 12. The support frame 9 is fixed inside the filter chamber 3, providing installation space for the filter plate 10. The filter plate 10 is pluggably inserted into the support frame 9. One end of the corrosion-resistant spring 11 is fixed to the inner wall of the support frame 9. The pressure frame 12 is movably installed inside the support frame 9, and the other end of the corrosion-resistant spring 11 is fixed to one side of the pressure frame 12. Under normal conditions, the pressure frame 12 presses against the filter plate 10 with the elastic force of the corrosion-resistant spring 11, thereby stably fixing the filter plate 10 in the support frame 9.

[0038] Further, please continue to refer to Figure 5 The mechanism also includes a limiting post 14, one end of which is fixedly connected to one side of the pressure frame 12. A corrosion-resistant spring 11 is coaxially sleeved on the outer wall of the limiting post 14. The limiting post 14 provides guidance for the compression and reset of the corrosion-resistant spring 11, preventing it from tilting.

[0039] Furthermore, the mechanism also includes a guide groove 13, which is formed on the inner wall of the support frame 9. The other end of the limiting post 14 is slidably engaged in the guide groove 13. Through the sliding engagement of the limiting post 14 in the guide groove 13, it is ensured that the pressure frame 12 maintains a stable linear motion when it is subjected to force.

[0040] The working principle of this multi-stage variable diameter pipeline filter is as follows:

[0041] When it is necessary to clean and maintain the filter screen 10 inside the filter body 1, first operate the quick disassembly mechanism of the cover plate. The operator rotates the drive disk 602, which drives the bidirectional lead screw 601 fixedly connected to it to rotate. Since the two connecting brackets 603 are respectively threaded to the outer wall of the bidirectional lead screw 601 and the thread direction is opposite, the two connecting brackets 603 will move towards each other along the axis of the bidirectional lead screw 601. The connecting brackets 603 drive the two fixedly connected mounting plates 604 to approach the sealing cover plate 4 at the same time, thereby causing the multiple docking cylinders 605 rotatably mounted inside the two mounting plates 604 to translate and be sleeved on the multiple bolts 5 on the sealing cover plate 4, completing the positioning docking before disassembly.

[0042] After positioning is completed, the operator rotates the drive rod 8 set inside the protective cover 7. The drive rod 8 drives one of the synchronous pulleys 606 to rotate. Through the meshing transmission of the synchronous belt 607, it drives one or more other synchronous pulleys 606 to rotate synchronously. Since the multiple synchronous pulleys 606 are fixedly connected to multiple docking cylinders 605 respectively, the multiple docking cylinders 605 rotate synchronously, thereby loosening multiple bolts 5 at the same time, realizing the rapid separation of the sealing cover plate 4 from the filter chamber 3.

[0043] When the sealing cover 4 is removed and the filter screen 10 needs to be removed, the operator moves the pressure frame 12 of the quick pick-and-place mechanism of the filter screen to one side. The pressure frame 12 moves inside the support frame 9 and compresses the corrosion-resistant spring 11 connected to it. Since the pressure frame 12 presses against the filter screen 10 by the elastic force of the corrosion-resistant spring 11 under normal conditions, when the pressure frame 12 moves, the pressure on the filter screen 10 disappears, and the filter screen 10 can be pulled out from inside the support frame 9 for cleaning or replacement.

[0044] During the process of the pressure frame 12 moving to compress the corrosion-resistant spring 11, the limiting post 14 fixed on one side of the pressure frame 12 slides inside the guide groove 13, and the corrosion-resistant spring 11 is sleeved on the outer wall of the limiting post 14. The sliding fit ensures the stability of the pressure frame 12 and the corrosion-resistant spring 11 during the compression and reset process, avoiding skewing and jamming.

[0045] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A multi-stage variable diameter pipeline filter, comprising a filter body (1), a connecting pipe (2) and a sealing cover plate (4), wherein a filter chamber (3) is provided on the filter body (1), the connecting pipe (2) is fixed at the connection of the filter body (1), and the sealing cover plate (4) is detachably connected to the opening of the filter chamber (3) by a plurality of bolts (5); Its features are, It also includes multiple docking cylinders (605), multiple synchronous pulleys (606), a synchronous belt (607), and a drive rod (8). The multiple docking cylinders (605) are configured to dock with the multiple bolts (5) respectively. The multiple synchronous pulleys (606) are fixedly connected to one end of the multiple docking cylinders (605) respectively. The synchronous belt (607) meshes with the multiple synchronous pulleys (606). The drive rod (8) is rotatably mounted and one end is fixedly connected to one side of one of the synchronous pulleys (606).

2. A multi-stage variable diameter pipeline filter according to claim 1, characterized in that, It also includes multiple mounting plates (604), and multiple docking cylinders (605) are rotatably mounted inside the multiple mounting plates (604).

3. A multi-stage variable diameter pipeline filter according to claim 2, characterized in that, It also includes multiple connecting brackets (603), and multiple mounting plates (604) are respectively fixedly connected to one end of the multiple connecting brackets (603).

4. A multi-stage variable diameter pipe filter according to claim 3, characterized in that, It also includes an adjustment frame (6) and a bidirectional lead screw (601). The adjustment frame (6) is fixed to the top of the sealing cover plate (4). The bidirectional lead screw (601) is rotatably installed in the adjustment frame (6). A plurality of the connecting brackets (603) are threadedly connected to the outer wall of the bidirectional lead screw (601).

5. A multi-stage variable diameter pipeline filter according to claim 4, characterized in that, It also includes a drive disk (602), which is fixedly connected to one end of the bidirectional lead screw (601).

6. A multi-stage variable diameter pipeline filter according to claim 2, characterized in that, It also includes a protective cover (7), which is fixed to one side of the mounting plate (604) where the synchronous wheel (606) connected to the drive rod (8) is located, and the drive rod (8) is rotatably mounted inside the protective cover (7).

7. A multi-stage variable diameter pipeline filter according to claim 1, characterized in that, It also includes a support frame (9), a filter screen (10), a corrosion-resistant spring (11), and a pressure frame (12). The support frame (9) is fixed inside the filter chamber (3). The filter screen (10) is inserted inside the support frame (9). One end of the corrosion-resistant spring (11) is fixed to the inner wall of the support frame (9), and the other end of the corrosion-resistant spring (11) is fixed to one side of the pressure frame (12). The pressure frame (12) presses against the filter screen (10) under normal conditions.

8. A multi-stage variable diameter pipeline filter according to claim 7, characterized in that, It also includes a limiting post (14), one end of which is fixedly connected to one side of the pressure frame (12), and the corrosion-resistant spring (11) is sleeved on the outer wall of the limiting post (14).

9. A multi-stage variable diameter pipeline filter according to claim 8, characterized in that, It also includes a guide groove (13), which is opened on the inner wall of the support frame (9), and the other end of the limiting post (14) is slidably engaged in the guide groove (13).

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