Stop valve with stable working pressure

Abstract

The utility model discloses a stop valve stable in working pressure, and relates to the technical field of stop valves. The device comprises a pipeline and a rectangular box arranged on the pipeline, a driving mechanism and a filtering mechanism are arranged on the pipeline, the driving mechanism comprises flanges which are fixedly installed on the left side and the right side of the pipeline respectively, a stop valve is fixedly installed in the pipeline, a water outlet is formed in the stop valve, and a water outlet is formed in the water outlet. A connecting pipe is fixedly installed on the outer wall of the pipeline and communicated with the pipeline. By arranging the driving mechanism, during use, the motor is started to drive the threaded rod II and the belt pulley to rotate synchronously, and meanwhile, the threaded rod II can drive the valve to move upwards when rotating, so that a water outlet in the stop valve is opened, and a pipeline is communicated; and the damper on the valve can be matched with the strip-shaped plate to compress the spring.

Description

Technical Field

[0001] The utility model belongs to the technical field of stop valves, in particular to a stop valve with stable working pressure. Background Art

[0002] In the related art, a stop valve with stable working pressure is disclosed with publication number CN203239958U, which comprises: a valve body, a valve stem, a valve seat and a hand wheel, wherein the valve stem passes through the valve seat and is arranged inside the valve body, the hand wheel is arranged at the top of the valve stem, and a ceramic spherical seal is also arranged, and the bottom of the valve stem is connected to the ceramic spherical seal and the inner cavity seal of the valve body through a connecting pipe. The stop valve of the utility model adopts a ceramic spherical seal to enhance the anti-scouring and wear resistance of the valve seal and prolong the service life of the valve.

[0003] During the use of existing valves, when the conveyed water contains impurities and silt, if it is not cleaned in time, these impurities and silt will clog the valve, causing the valve to be unable to close or open normally, thereby causing damage to the valve components. Utility Model Content

[0004] The utility model aims to provide a stop valve with stable working pressure, which solves the problem that when the transported water contains impurities and silt, if it is not cleaned in time, these impurities and silt will block the valve, resulting in the valve being unable to close or open normally, thereby causing damage to the valve parts.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a stop valve with stable working pressure, comprising a pipeline and a rectangular box arranged on the pipeline, wherein a driving mechanism and a filtering mechanism are arranged on the pipeline;

[0007] The driving mechanism comprises flanges respectively fixedly mounted on the left and right sides of the pipeline, a stop valve is fixedly mounted in the pipeline, a water outlet is provided on the stop valve, a connecting pipe is fixedly mounted on the outer wall of the pipeline, and the connecting pipe is communicated with the pipeline.

[0008] Furthermore, a support plate is fixedly installed on the top of the connecting pipe, a strip plate is fixedly sleeved on the outer wall of the connecting pipe, two dampers are slidably installed on the strip plate, the bottom ends of the two dampers extend into the pipeline and are slidably connected to the pipeline, and valves are fixedly installed on the bottom ends of the two dampers, and the valves are adapted to the water outlet.

[0009] Furthermore, sealing blocks are slidably sleeved on the outer walls of the two dampers, and the two sealing blocks are fixedly connected to the pipeline. Springs are respectively wound on the outer walls of the two dampers, and the top ends of the two springs are fixedly connected to the strip plate, and the bottom ends of the two springs are respectively fixedly connected to the two sealing blocks.

[0010] Furthermore, a support frame is arranged on the top of the support plate, and a plurality of threaded rods 1 are boltedly mounted on the support plate and the support frame, and nuts are respectively threadedly mounted on the outer walls of the plurality of threaded rods 1.

[0011] Furthermore, a hoop is threadedly installed on the top of the support frame, a motor is arranged inside the hoop, and a threaded rod 2 is fixedly installed on the output shaft of the motor. The threaded rod 2 passes through the support frame, support plate, connecting pipe, pipeline and valve and is threadedly connected to the valve.

[0012] Furthermore, a connecting rod is fixedly installed on the top of the support plate, a threaded rod three is threadedly installed on the connecting rod, the bottom end of the threaded rod three extends into the rectangular box and is threadedly connected to the rectangular box, and pulleys are fixedly sleeved on the outer walls of the threaded rod two and the threaded rod three, and belts are wrapped around the outer walls of the two pulleys.

[0013] Furthermore, the filtering mechanism comprises a cleaning brush threadedly sleeved on three outer walls of the threaded rod, and two limiting rods are fixedly installed in the rectangular box, and both of the two limiting rods pass through the cleaning brush and are slidably connected to the cleaning brush.

[0014] Furthermore, a mounting groove is provided on the top of the rectangular box, a filter plate is arranged in the mounting groove, the top of the filter plate extends out of the rectangular box, a handle is fixedly installed on the top of the filter plate, and the filter plate is compatible with a cleaning brush.

[0015] The utility model has the following beneficial effects:

[0016] (1) The utility model sets a driving mechanism. When in use, the motor is started, and the motor drives the threaded rod 2 and the pulley to rotate synchronously. At the same time, when the threaded rod 2 rotates, it can drive the valve to move upward, thereby opening the water outlet on the stop valve and allowing the pipeline to pass through. When the valve moves upward, the damper on the valve cooperates with the strip plate to compress the spring, so that the valve has proper control and buffering when opening or closing, preventing instability or severe vibration during the movement of the valve due to inertia or other factors, and helping to ensure the control and operation stability of the pipeline fluid, while extending the service life of the valve and pipeline equipment.

[0017] (2) The utility model sets a filtering mechanism. During the rotation of the pulley on the threaded rod two, the pulley will also synchronously drive the pulley on the threaded rod three through the belt, so that the threaded rod three can rotate synchronously with the threaded rod two. When the threaded rod three rotates, it can drive the cleaning brush and cooperate with the two limit rods to move the filter plate up and down for cleaning. By moving the filter plate up and down with the cleaning brush, dirt and impurities attached to the surface of the filter plate can be effectively removed, the patency and filtering efficiency of the filter plate can be maintained, and the blockage of the valve by impurities such as mud and sand can be reduced.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 This is a structural schematic diagram of a stop valve with stable working pressure according to the utility model;

[0021] Figure 2 It is a front cross-sectional structural schematic diagram of a stop valve with stable working pressure according to the utility model;

[0022] Figure 3 It is a side sectional structural schematic diagram of a stop valve with stable working pressure according to the utility model;

[0023] Figure 4 For this utility model Figure 2 A is a schematic diagram of the enlarged structure of the middle part;

[0024] Figure 5 For this utility model Figure 2 Schematic diagram of the enlarged structure of B.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Pipeline; 2. Rectangular box; 3. Flange; 4. Stop valve; 5. Water outlet; 6. Connecting pipe; 7. Support plate; 8. Strip plate; 9. Damper; 10. Valve; 11. Sealing block; 12. Spring; 13. Support frame; 14. Threaded rod one; 15. Nut; 16. Hoop; 17. Motor; 18. Threaded rod two; 19. Connecting rod; 20. Threaded rod three; 21. Pulley; 22. Belt; 23. Cleaning brush; 24. Limit rod; 25. Mounting slot; 26. Filter plate; 27. Handle. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-5 As shown, the utility model is a stop valve with stable working pressure, comprising a pipeline 1 and a rectangular box 2 arranged on the pipeline 1, and a driving mechanism and a filtering mechanism are arranged on the pipeline 1;

[0029] The driving mechanism includes flanges 3 fixedly mounted on the left and right sides of the pipeline 1 respectively. A stop valve 4 is fixedly mounted in the pipeline 1, and a water outlet 5 is provided on the stop valve 4. A connecting pipe 6 is fixedly mounted on the outer wall of the pipeline 1, and the connecting pipe 6 is connected to the pipeline 1.

[0030] Among them Figure 3 As shown, a support plate 7 is fixedly installed on the top of the connecting pipe 6, a strip plate 8 is fixedly sleeved on the outer wall of the connecting pipe 6, two dampers 9 are slidably installed on the strip plate 8, the bottom ends of the two dampers 9 extend into the pipeline 1 and are slidably connected to the pipeline 1, and valves 10 are fixedly installed on the bottom ends of the two dampers 9, and the valves 10 are adapted to the water outlet 5.

[0031] By moving the valve 10, the position and opening of the valve can be accurately controlled to ensure stable operation of the system, avoid fluid leakage or excessive outflow, and improve the efficiency and safety of the system.

[0032] Among them Figure 3 As shown, sealing blocks 11 are slidably sleeved on the outer walls of the two dampers 9, and the two sealing blocks 11 are fixedly connected to the pipeline 1. Springs 12 are respectively wound on the outer walls of the two dampers 9, and the top ends of the two springs 12 are fixedly connected to the strip plate 8, and the bottom ends of the two springs 12 are respectively fixedly connected to the two sealing blocks 11.

[0033] When the valve 10 moves upward, the damper 9 on the valve 10 cooperates with the strip plate 8 to compress the spring 12, so that the valve has proper control and buffering when opening or closing, preventing instability or severe vibration during the movement of the valve due to inertia or other factors, and helping to ensure the control and operation stability of the pipeline fluid, while extending the service life of the valve and pipeline equipment.

[0034] Among them Figure 4As shown, a support frame 13 is provided on the top of the support plate 7, and a plurality of threaded rods 14 are bolted on the support plate 7 and the support frame 13, and nuts 15 are threadedly installed on the outer walls of the plurality of threaded rods 14.

[0035] Through the cooperation between the threaded rod 14 and the nut 15, the device can be quickly installed, which is beneficial to improving the installation efficiency and operation convenience of the device.

[0036] Among them Figure 2 As shown, a hoop 16 is threadedly installed on the top of the support frame 13, a motor 17 is arranged inside the hoop 16, and a threaded rod 18 is fixedly installed on the output shaft of the motor 17. The threaded rod 18 passes through the support frame 13, the support plate 7, the connecting pipe 6, the pipeline 1 and the valve 10 and is threadedly connected to the valve 10.

[0037] Fixing the motor 17 by the hoop 16 can simplify the installation process, reduce the time and tools required for installation, and improve the overall installation efficiency.

[0038] Among them Figure 4 As shown, a connecting rod 19 is fixedly installed on the top of the support plate 7, and a threaded rod three 20 is threadedly installed on the connecting rod 19. The bottom end of the threaded rod three 20 extends into the rectangular box 2 and is threadedly connected to the rectangular box 2. Pulleys 21 are fixedly sleeved on the outer walls of the threaded rod two 18 and the threaded rod three 20, and belts 22 are wrapped around the outer walls of the two pulleys 21.

[0039] The transmission of the belt 22 enables synchronous rotation of the threaded rod 3 20 and the threaded rod 2 18 , which is beneficial to improving the operating efficiency and reliability of the system.

[0040] Among them Figure 5 As shown, the filtering mechanism includes a cleaning brush 23 threadedly sleeved on the outer wall of the threaded rod 3 20, and two limiting rods 24 are fixedly installed in the rectangular box 2. The two limiting rods 24 both penetrate the cleaning brush 23 and are slidably connected to the cleaning brush 23.

[0041] The cleaning brush 23 is driven by the threaded rod 3 20 to clean the filter plate 26, which can effectively remove dust, dirt and other impurities on the surface of the filter plate, thereby maintaining the ventilation performance and filtering efficiency of the filter plate.

[0042] Among them Figure 5 As shown, a mounting groove 25 is provided on the top of the rectangular box 2, a filter plate 26 is provided in the mounting groove 25, the top of the filter plate 26 extends to the outside of the rectangular box 2, a handle 27 is fixedly installed on the top of the filter plate 26, and the filter plate 26 is compatible with the cleaning brush 23.

[0043] By pulling the handle 27 to replace the filter plate 26, the time and labor cost during the replacement process can be reduced, the maintenance efficiency of the system is improved, and it also helps to ensure the normal operation of the filter equipment.

[0044] A specific application of this embodiment is: when in use, the motor 17 is started, and the motor 17 will drive the threaded rod 2 18 and the pulley 21 to rotate synchronously. At the same time, when the threaded rod 2 18 rotates, it can drive the valve 10 to move upward, thereby opening the water outlet 5 on the stop valve 4, so that the pipeline 1 is connected, and when the valve 10 moves upward, the damper 9 on the valve 10 will cooperate with the strip plate 8 to compress the spring 12, so that the valve has proper control and buffering when opening or closing, preventing instability or severe vibration during the movement of the valve due to inertia or other factors, and helping to ensure the control of the pipeline fluid and the stability of operation, while extending the service life of the valve and pipeline equipment; during the rotation of the pulley 21 on the threaded rod 2 18, the pulley 21 will also synchronously drive the threaded rod 3 through the belt 22 The pulley 21 on 20 enables the threaded rod three 20 to rotate synchronously with the threaded rod two 18, and when the threaded rod three 20 rotates, it can drive the cleaning brush 23 and cooperate with the two limit rods 24 to realize the up and down movement of the filter plate 26 for cleaning. The cleaning brush 23 moves the filter plate 26 up and down for cleaning, which can effectively remove the dirt and impurities attached to the surface of the filter plate 26, maintain the patency and filtration efficiency of the filter plate 26, thereby reducing the clogging of the valve by impurities such as mud and sand; when the filter plate 26 needs to be replaced, the handle 27 can be manually pulled upward to remove the filter plate from the mounting groove 25 on the rectangular box 2, so that it can be quickly replaced. This design can reduce the time and labor cost during the replacement process, improve the maintenance efficiency of the system, and also help to ensure the normal operation of the filter equipment.

[0045] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0046] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A stop valve with stable working pressure, comprising a pipeline (1) and a rectangular box (2) arranged on the pipeline (1), characterized in that: The pipeline (1) is provided with a driving mechanism and a filtering mechanism; The driving mechanism comprises flanges (3) respectively fixedly mounted on the left and right sides of the pipeline (1); a stop valve (4) is fixedly mounted inside the pipeline (1); a water outlet (5) is provided on the stop valve (4); a connecting pipe (6) is fixedly mounted on the outer wall of the pipeline (1); the connecting pipe (6) is in communication with the pipeline (1).

2. A stop valve with stable working pressure according to claim 1, characterized in that: A support plate (7) is fixedly mounted on the top of the connecting pipe (6); a strip plate (8) is fixedly sleeved on the outer wall of the connecting pipe (6); two dampers (9) are slidably mounted on the strip plate (8); the bottom ends of the two dampers (9) extend into the pipe (1) and are slidably connected to the pipe (1); valves (10) are fixedly mounted on the bottom ends of the two dampers (9); and the valves (10) are adapted to the water outlet (5).

3. A stop valve with stable working pressure according to claim 2, characterized in that: Sealing blocks (11) are slidably sleeved on the outer walls of the two dampers (9), and the two sealing blocks (11) are fixedly connected to the pipeline (1). Springs (12) are wound around the outer walls of the two dampers (9), and the top ends of the two springs (12) are fixedly connected to the strip plate (8), and the bottom ends of the two springs (12) are fixedly connected to the two sealing blocks (11).

4. A stop valve with stable working pressure according to claim 3, characterized in that: A support frame (13) is arranged on the top of the support plate (7), and a plurality of threaded rods (14) are bolted on the support plate (7) and the support frame (13), and nuts (15) are respectively threadedly installed on the outer walls of the plurality of threaded rods (14).

5. A stop valve with stable working pressure according to claim 4, characterized in that: A hoop (16) is threadedly mounted on the top of the support frame (13), a motor (17) is arranged inside the hoop (16), a second threaded rod (18) is fixedly mounted on the output shaft of the motor (17), and the second threaded rod (18) penetrates the support frame (13), the support plate (7), the connecting pipe (6), the pipeline (1) and the valve (10) and is threadedly connected to the valve (10).

6. A stop valve with stable working pressure according to claim 5, characterized in that: A connecting rod (19) is fixedly mounted on the top of the support plate (7), a threaded rod (20) is threadedly mounted on the connecting rod (19), the bottom end of the threaded rod (20) extends into the rectangular box (2) and is threadedly connected to the rectangular box (2), and pulleys (21) are fixedly sleeved on the outer walls of the threaded rod (18) and the threaded rod (20), respectively, and belts (22) are wound around the outer walls of the two pulleys (21).

7. A stop valve with stable working pressure according to claim 6, characterized in that: The filtering mechanism comprises a cleaning brush (23) threadedly sleeved on the outer wall of the threaded rod three (20); two limiting rods (24) are fixedly installed in the rectangular box (2); the two limiting rods (24) both penetrate the cleaning brush (23) and are slidably connected to the cleaning brush (23).

8. A stop valve with stable working pressure according to claim 7, characterized in that: The top of the rectangular box (2) is provided with a mounting groove (25), a filter plate (26) is arranged in the mounting groove (25), the top of the filter plate (26) extends outside the rectangular box (2), a handle (27) is fixedly mounted on the top of the filter plate (26), and the filter plate (26) is compatible with the cleaning brush (23).

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