Adjustable mechanical limiting device of straight-stroke air opening valve

Abstract

The utility model discloses an adjustable mechanical limiting device of a straight stroke pneumatic open valve, which comprises a valve mechanism and an adjusting mechanism, the adjusting mechanism is fixedly connected with the valve mechanism, the adjusting mechanism comprises a power box, the back of the inner wall of the power box is fixedly connected with a motor, the output end of the motor is fixedly connected with a driving gear, and the driving gear is fixedly connected with the valve mechanism. The back face of the inner wall of the power box is movably connected with a first rotating rod through a rotating shaft, the surface of the first rotating rod is sleeved with a driven gear, the top of the driven gear is meshed with the bottom of the driving gear, and the front face of the first rotating rod is fixedly connected with an adjusting wheel. Through the arrangement of the adjusting mechanism, the phenomenon that a traditional straight stroke air opening valve limiting device cannot be adjusted is changed, the position needing to be limited can be automatically controlled and adjusted according to the requirement of a user, the use experience of the user is effectively improved, and more use space is provided for the limiting device.

Description

Technical Field

[0001] The utility model relates to the technical field of petrochemical equipment maintenance, in particular to an adjustable mechanical limit device for a straight-stroke gas-open valve. Background Art

[0002] According to the patents published on the China Patent Network, the patent name is: A mechanical limit device, and the patent number is: 202021333757.X. The utility model provides a mechanical limit device, which is suitable for production and application in the field of mechanical technology, including a base, a fixed plate is fixed at the left end of the base, a motor is embedded in the upper end of the fixed plate, a slide groove is passed through the front end of the base, and an inner groove is opened at the upper end of the inner wall of the slide groove, a tool groove is opened at the upper end of the base, and a support plate for blocking the tool groove is arranged on the upper end surface of the base, and four hydraulic cylinders are fixedly connected between the tool groove and the support plate, and the four hydraulic cylinders are evenly distributed at the four corners of the inner wall of the tool groove. The beneficial effect of the utility model is that by arranging a base, a slide groove, a slide plate, an inner groove, a fixed plate, a motor, a first screw rod, a connecting rod, a second screw rod, a roller and a chain belt, the two splints can move toward each other until the object to be clamped is clamped, which shortens the clamping time of the device and improves efficiency; at the same time, by arranging a plug plate and a plug block, the user can replace the splint, and the disassembly and installation operations are simple and quick. However, the above-mentioned mechanical limit device cannot be adjusted according to the needs of the user and has certain usage limitations.

[0003] Therefore, it is necessary to redesign the mechanical limit device to effectively prevent the phenomenon that it cannot be adjusted according to user needs. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the purpose of the utility model is to provide a straight-stroke air-opening valve adjustable mechanical limit device, which has the advantage of flexible adjustment according to user needs and solves the problem that the limit device cannot be adjusted and has certain usage limitations.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a linear air-opening valve adjustable mechanical limit device, comprising:

[0006] Valve mechanism;

[0007] An adjusting mechanism, wherein the adjusting mechanism is fixedly connected to the valve mechanism, and the adjusting mechanism comprises a power box, a motor is fixedly connected to the back of the inner wall of the power box, a driving gear is fixedly connected to the output end of the motor, a first rotating rod is movably connected to the back of the inner wall of the power box through a rotating shaft, a driven gear is sleeved on the surface of the first rotating rod, the top of the driven gear is meshed with the bottom of the driving gear, an adjusting wheel is fixedly connected to the front of the first rotating rod, a transmission belt is sleeved on the surface of the adjusting wheel, the back of the inner wall of the power box is movably connected to the second rotating rod through a rotating shaft, a middle rotating wheel is fixedly connected to the front of the second rotating rod, the surface of the middle rotating wheel is transmission-connected to the transmission belt, the transmission belt extends to the outside of the power box away from the side of the adjusting wheel, and the bottom of the transmission belt is transmission-connected to the transmission wheel.

[0008] As a preferred embodiment of the utility model, the valve mechanism includes a power source, the outer side of the power source is fixedly connected to a control box, the top of the control box is fixedly connected to the bottom of the power box, the outer side of the control box is movably connected to a valve assembly, the surface of the valve assembly is transmission-connected to the inner side of a transmission wheel, the bottom of the power source is fixedly connected to a connecting assembly, and the bottom of the connecting assembly is fixedly connected to a valve pipe.

[0009] As a preferred embodiment of the present invention, connecting plates are fixedly connected to both sides of the bottom of the inner wall of the power box, and the connecting plates are used in conjunction with the power box.

[0010] As a preferred embodiment of the present invention, reinforcement plates are fixedly connected to both sides of the motor, and the back side of the reinforcement plates is fixedly connected to the inner wall of the power box.

[0011] As a preferred embodiment of the utility model, a support plate is sleeved on the surface of the second rotating rod, and the back side of the support plate is fixedly connected to the inner wall of the power box.

[0012] As a preferred embodiment of the utility model, the outer side of the transmission belt is slidably connected to a limit frame, and the bottom of the limit frame is fixedly connected to the inner wall of the power box.

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

[0014] 1. The utility model changes the phenomenon that the traditional straight-stroke air valve limit device cannot be adjusted by setting an adjustment mechanism. It can automatically control and adjust the position that needs to be limited according to user needs, effectively improving the user experience and providing more usage space for the limit device.

[0015] 2. The utility model can drive the valve core to move linearly through the pneumatic actuator through the setting of the valve mechanism, so as to adjust the flow rate, pressure and other parameters of the medium in the pipeline. When the pneumatic actuator receives the control signal, it will drive the valve core to move, change the opening of the valve, and then adjust the flow rate of the medium in the pipeline. When the pressure, temperature and other parameters of the medium in the pipeline exceed the safe range, the valve can be automatically closed or opened to prevent accidents such as pipeline rupture and leakage, so as to ensure the safe and stable operation of industrial production.

[0016] 3. The utility model can reinforce the power box by setting the connecting plate, thereby strengthening the connectivity between the power box and the control box, so that the two can be connected more stably.

[0017] 4. The utility model can reinforce the motor by setting the reinforcement plate, strengthen the connectivity between the motor and the power box, and prevent the motor from falling off.

[0018] 5. The utility model can reinforce the second rotating rod by setting the supporting plate, thereby enhancing the supporting force of the second rotating rod and avoiding the second rotating rod from breaking during long-term use.

[0019] 6. The utility model can limit the transmission belt by setting the limit frame, thereby ensuring that the transmission belt will not be entangled. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is the structure diagram of the valve mechanism of the utility model;

[0022] Figure 3 This is a front cross-sectional view of the power box of the utility model.

[0023] In the figure: 1. valve mechanism; 11. power source; 12. control box; 13. valve assembly; 14. connecting assembly; 15. valve pipe; 2. adjusting mechanism; 21. power box; 22. motor; 23. driving gear; 24. first rotating rod; 25. driven gear; 26. adjusting wheel; 27. transmission belt; 28. second rotating rod; 29. ​​intermediate wheel; 210. transmission wheel; 3. connecting plate; 4. reinforcement plate; 5. support plate; 6. limit frame. DETAILED DESCRIPTION

[0024] 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 in 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.

[0025] like Figures 1 to 3 As shown, the utility model provides a linear air-opening valve adjustable mechanical limit device, comprising:

[0026] Valve mechanism 1;

[0027] The regulating mechanism 2 is fixedly connected to the valve mechanism 1. The regulating mechanism 2 includes a power box 21. The back of the inner wall of the power box 21 is fixedly connected to a motor 22. The output end of the motor 22 is fixedly connected to a driving gear 23. The back of the inner wall of the power box 21 is movably connected to a first rotating rod 24 through a rotating shaft. The surface of the first rotating rod 24 is sleeved with a driven gear 25. The top of the driven gear 25 is meshed with the bottom of the driving gear 23. The front of the first rotating rod 24 is fixedly connected to an adjusting wheel 26. The surface of the adjusting wheel 26 is sleeved with a transmission belt 27. The back of the inner wall of the power box 21 is movably connected to a second rotating rod 28 through a rotating shaft. The front of the second rotating rod 28 is fixedly connected to a rotating wheel 29. The surface of the rotating wheel 29 is transmission-connected to the transmission belt 27. The transmission belt 27 extends from the side away from the adjusting wheel 26 to the outside of the power box 21. The bottom of the transmission belt 27 is transmission-connected to a transmission wheel 210.

[0028] refer to Figure 2 The valve mechanism 1 includes a power source 11, a control box 12 is fixedly connected to the outside of the power source 11, the top of the control box 12 is fixedly connected to the bottom of the power box 21, a valve assembly 13 is movably connected to the outside of the control box 12, the surface of the valve assembly 13 is transmission-connected to the inside of the transmission wheel 210, a connecting assembly 14 is fixedly connected to the bottom of the power source 11, and a valve pipe 15 is fixedly connected to the bottom of the connecting assembly 14.

[0029] As a technical optimization scheme of the utility model, through the setting of the valve mechanism 1, the pneumatic actuator can drive the valve core to move linearly, so as to adjust the flow rate, pressure and other parameters of the medium in the pipeline. When the pneumatic actuator receives the control signal, it will drive the valve core to move, change the opening of the valve, and then adjust the flow rate of the medium in the pipeline. When the pressure, temperature and other parameters of the medium in the pipeline exceed the safe range, the valve can be automatically closed or opened to prevent accidents such as pipeline rupture and leakage, and ensure the safe and stable operation of industrial production.

[0030] refer to Figure 3Both sides of the bottom of the inner wall of the power box 21 are fixedly connected with connecting plates 3, and the connecting plates 3 are used in conjunction with the power box 21.

[0031] As a technical optimization solution of the present invention, the connection plate 3 is provided to reinforce the power box 21, thereby strengthening the connectivity between the power box 21 and the control box 12, so that the two can be connected more stably.

[0032] refer to Figure 3 , reinforcement plates 4 are fixedly connected to both sides of the motor 22 , and the back side of the reinforcement plates 4 is fixedly connected to the inner wall of the power box 21 .

[0033] As a technical optimization solution of the present invention, the reinforcement plate 4 is provided to reinforce the motor 22, thereby strengthening the connectivity between the motor 22 and the power box 21 and preventing the motor 22 from falling off.

[0034] refer to Figure 3 A support plate 5 is sleeved on the surface of the second rotating rod 28 , and the back side of the support plate 5 is fixedly connected to the inner wall of the power box 21 .

[0035] As a technical optimization solution of the utility model, the second rotating rod 28 can be reinforced by setting the support plate 5, thereby enhancing the supporting force of the second rotating rod 28 and avoiding the second rotating rod 28 from breaking during long-term use.

[0036] refer to Figure 3 The outer side of the transmission belt 27 is slidably connected to the limit frame 6, and the bottom of the limit frame 6 is fixedly connected to the inner wall of the power box 21.

[0037] As a technical optimization solution of the present invention, the setting of the limit frame 6 can limit the transmission belt 27 and ensure that the transmission belt 27 will not be entangled.

[0038] The working principle and use process of the utility model are as follows: first, when the user needs to adjust the limit device, he only needs to start the motor 22 in the power box 21, and the output end of the motor 22 drives the driving gear 23 to rotate, and the driving gear 23 drives the first rotating rod 24 to rotate through the driven gear 25, and the first rotating rod 24 drives the adjusting wheel 26 to rotate, and the adjusting wheel 26 controls the usable length of the transmission belt 27, so as to achieve the effect of adjusting the limit position according to the user's needs.

[0039] To sum up: the straight-stroke air-opening valve adjustable mechanical limit device, by setting an adjustment mechanism, changes the phenomenon that the traditional straight-stroke air-opening valve limit device cannot be adjusted. It can automatically control and adjust the position that needs to be limited according to user needs, effectively improving the user experience and providing more usage space for the limit device.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A linear air-opening valve adjustable mechanical limit device, characterized in that: include: Valve mechanism (1); The regulating mechanism (2) is fixedly connected to the valve mechanism (1), and the regulating mechanism (2) comprises a power box (21). The back of the inner wall of the power box (21) is fixedly connected to a motor (22), and the output end of the motor (22) is fixedly connected to a driving gear (23). The back of the inner wall of the power box (21) is movably connected to a first rotating rod (24) via a rotating shaft. The surface of the first rotating rod (24) is sleeved with a driven gear (25). The top of the driven gear (25) is meshed with the bottom of the driving gear (23). A rotating rod (24) is fixedly connected to an adjusting wheel (26) on the front side, and a transmission belt (27) is sleeved on the surface of the adjusting wheel (26). The back side of the inner wall of the power box (21) is movably connected to a second rotating rod (28) via a rotating shaft. The front side of the second rotating rod (28) is fixedly connected to a middle rotating wheel (29), and the surface of the middle rotating wheel (29) is transmission-connected to the transmission belt (27). The side of the transmission belt (27) away from the adjusting wheel (26) extends to the outside of the power box (21), and the bottom of the transmission belt (27) is transmission-connected to a transmission wheel (210).

2. The adjustable mechanical limit device for a linear air-opening valve according to claim 1, characterized in that: The valve mechanism (1) comprises a power source (11), the outer side of the power source (11) is fixedly connected to a control box (12), the top of the control box (12) is fixedly connected to the bottom of a power box (21), the outer side of the control box (12) is movably connected to a valve assembly (13), the surface of the valve assembly (13) is transmission-connected to the inner side of a transmission wheel (210), the bottom of the power source (11) is fixedly connected to a connection assembly (14), and the bottom of the connection assembly (14) is fixedly connected to a valve pipe (15).

3. The adjustable mechanical limit device for a linear air-opening valve according to claim 1, characterized in that: Both sides of the bottom of the inner wall of the power box (21) are fixedly connected with connecting plates (3), and the connecting plates (3) are used in conjunction with the power box (21).

4. The adjustable mechanical limit device for a linear air-opening valve according to claim 1, characterized in that: Reinforcement plates (4) are fixedly connected to both sides of the motor (22), and the back side of the reinforcement plate (4) is fixedly connected to the inner wall of the power box (21).

5. The adjustable mechanical limit device for a linear air-open valve according to claim 1, characterized in that: A support plate (5) is sleeved on the surface of the second rotating rod (28), and the back surface of the support plate (5) is fixedly connected to the inner wall of the power box (21).

6. The adjustable mechanical limit device for a linear air-opening valve according to claim 1, characterized in that: The outer side of the transmission belt (27) is slidably connected to the limit frame (6), and the bottom of the limit frame (6) is fixedly connected to the inner wall of the power box (21).

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