Adjusting mechanism of pneumatic control valve
By designing the pneumatic regulating valve adjustment mechanism, the coordination of the adjusting parts, followers, limiting parts and guides is solved, and the flow monitoring facilities of the pneumatic regulating valve are loose due to vibration during long-term use, and the valve body is realized The accurate adjustment and positioning of the flow ensures the accuracy of flow monitoring.
Patent Information
- Application Number
- CN202421394540.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2024-01-17
- Filing Date
- 2024-06-19
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-06-19
AI Technical Summary
In the long-term use of existing pneumatic regulating valves, the flow monitoring facilities are loose due to vibration, resulting in uneven flow, and the media flow cannot be accurately monitored, which increases the difficulty of flow monitoring.
A pneumatic regulating valve adjustment mechanism is designed, including the main component and the adjustment component. Through the coordination of the adjusting parts, followers, limiting parts and guides, the accurate adjustment and positioning of the valve body flow is achieved to avoid loosening of the facilities. .
Through the setting of the adjustment components, the adjustment facilities can be effectively prevented from loosening during long-term use, ensuring the accuracy of flow monitoring of the pneumatic regulating valve, and reducing the difficulty of flow monitoring.
Smart Images
Figure CN222502885U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pneumatic regulating valves, in particular to a pneumatic regulating valve adjustment mechanism. Background Art
[0002] Pneumatic control valve uses compressed gas as the power source, cylinder as the actuator, and uses valve positioner, converter, solenoid valve, position-holding valve, gas storage tank, gas filter and other accessories to drive the valve, realize switch quantity or proportional regulation, and receive the control signal of industrial automation control system to adjust the pipeline medium: flow, pressure, temperature, liquid level and other process parameters. The characteristics of pneumatic control valve are simple control, fast response, and inherent safety, without the need for additional explosion-proof measures.
[0003] During long-term use, the flow monitoring facilities of the pneumatic control valves in the prior art become loose due to vibration, resulting in unbalanced flow of the pneumatic control valves. This makes it impossible for the pneumatic control valves to accurately monitor and record the medium flow, increasing the difficulty of flow monitoring. Utility Model Content
[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] In view of the above problems and / or the problems existing in the existing pneumatic regulating valve adjustment mechanism, the present utility model is proposed.
[0006] Therefore, the problem to be solved by the utility model is that during long-term use, the flow monitoring facilities of the pneumatic control valve of the prior art become loose due to vibration, resulting in unbalanced flow of the pneumatic control valve, causing the pneumatic control valve to be unable to accurately monitor and record the medium flow, thereby increasing the difficulty of flow monitoring.
[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a pneumatic regulating valve adjustment mechanism, which includes a main body component, including a valve body and a fixing frame, wherein the fixing frame is arranged on the valve body;
[0008] An adjusting component is arranged on the main component, and includes a fixing sleeve, a fixing column, an adjusting member, a follower, a limiting member and a guiding member. The fixing sleeve is fixed to the outside of the valve body, the fixing column is fixed to the outside of the fixing sleeve, the adjusting member is arranged on one side of the fixing frame, the follower is rotatably connected to one side of the adjusting member, the limiting member is movably connected in the adjusting member, and the guiding member is arranged in the fixing frame.
[0009] As a preferred solution of the pneumatic regulating valve adjustment mechanism of the utility model, wherein: the adjusting member includes a fixed frame, a fixed block and an adjusting wheel, the fixed frame is fixed to one side of the fixed frame, the fixed block is fixed to the top wall inside the fixed frame, and the adjusting wheel is rotatably connected to one side of the fixed block.
[0010] As a preferred solution of the pneumatic regulating valve adjustment mechanism of the utility model, wherein: the follower includes a positioning plate, a friction wheel, a first gear, a positioning shaft, a movable rod and a second gear, the positioning plate is fixed in the fixed frame, the friction wheel is rotatably connected to one side of the positioning plate, the first gear is fixed to one side of the friction wheel, the positioning shaft is fixed in the fixed frame, the movable rod is movably connected to the outside of the positioning shaft, and the second gear is fixed to one side of the movable rod.
[0011] As a preferred solution of the pneumatic regulating valve adjustment mechanism of the utility model, wherein: the follower also includes a first connecting block, a first spring and a second connecting block, the first connecting block is fixed to the outside of the positioning shaft, the first spring is fixed to one side of the first connecting block, the second connecting block is fixed to the other end of the first spring, and one side of the second connecting block is fixed to the movable rod.
[0012] As a preferred solution of the pneumatic regulating valve adjustment mechanism of the utility model, a through slot is provided in the movable rod, and the fixed column is movably connected in the through slot.
[0013] As a preferred solution of the pneumatic regulating valve adjustment mechanism of the utility model, the limiting member includes a movable block, teeth and a third gear, the movable block is movably connected to one side of the positioning plate, the teeth are fixed to the top of the movable block, and the third gear is fixed to one side of the friction wheel.
[0014] As a preferred solution of the pneumatic regulating valve adjustment mechanism of the utility model, the limit member also includes a positioning block and a second spring, the positioning block is fixed to one side of the positioning plate, the second spring is fixed to the top of the positioning block, and the top of the second spring is fixed to the movable block.
[0015] As a preferred solution of the pneumatic regulating valve adjustment mechanism of the utility model, wherein: the guide member includes a guide rail, a slider, a connecting plate, a third spring and a limit block, the guide rail is fixed in the fixed frame, the slider slides in the guide rail, the connecting plate is fixed to one side of the slider, the third spring is fixed to the connecting plate, and the side surface of the limit block is fixed to one end of the third spring.
[0016] As a preferred solution of the pneumatic regulating valve adjustment mechanism of the utility model, the guide member also includes a guide block, a limiting groove is provided on the outer side of the movable rod, the guide block is fixed on the connecting plate, and one side of the guide block slides in the limiting groove.
[0017] As a preferred solution of the pneumatic regulating valve adjustment mechanism of the utility model, there are two guide rails, the two guide rails are U-shaped, and the two guide rails are symmetrically fixed in the fixing frame.
[0018] The utility model has the beneficial effects of: through the setting of the adjustment component, it is convenient to locate the position of the pneumatic control valve after adjustment, and avoid the adjustment facility from loosening during long-term use, resulting in flow monitoring of the pneumatic control valve. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:
[0020] Figure 1 This is the structural diagram of the pneumatic control valve adjustment mechanism.
[0021] Figure 2 This is a structural diagram of the connection between the fixed column and the fixed sleeve of the pneumatic control valve adjustment mechanism.
[0022] Figure 3 For the pneumatic control valve adjustment mechanism Figure 2 Enlarged structural diagram at point A in the middle.
[0023] Figure 4 This is a cross-sectional structural diagram of the fixed frame of the pneumatic control valve adjustment mechanism.
[0024] Figure 5 This is the connection structure diagram of the adjusting wheel and friction wheel of the pneumatic control valve adjustment mechanism.
[0025] Figure 6 For the pneumatic control valve adjustment mechanism Figure 5 Enlarged structural diagram at center C.
[0026] Figure 7 For the pneumatic control valve adjustment mechanism Figure 5 Enlarged structural diagram at point D in the middle.
[0027] In the figure: 100 main component, 200 adjusting component, 101 valve body, 102 fixing frame, 201 fixing sleeve, 202 fixing column, 203 adjusting member, 204 follower, 205 limiting member, 206 guide member, 203a fixing frame, 203b fixing block, 203c adjusting wheel, 204a positioning plate, 204b friction wheel, 204c first gear, 204d positioning shaft, 204e movable rod, 204f second gear, 204g first connecting block, 204h first spring, 204j second connecting block, S through groove, 205a movable block, 205b teeth, 205c third gear, 205d positioning block, 205e second spring, 206a guide rail, 206b slider, 206c connecting plate, 206d third spring, 206e limiting block, 206f guide block, M limiting groove. DETAILED DESCRIPTION
[0028] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.
[0029] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0030] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.
[0031] Example 1
[0032] Reference Figure 1~Figure 5 , which is the first embodiment of the utility model
[0033] It should be noted that the above embodiment is only used to illustrate the present invention. This embodiment provides a pneumatic control valve adjustment mechanism, which includes a main body component 100 and an adjustment component 200. The cooperation between the two facilitates positioning of the pneumatic control valve adjustment setting.
[0034] Specifically, the main body assembly 100 includes a valve body 101 and a fixing frame 102 , and the fixing frame 102 is disposed on the valve body 101 .
[0035] Specifically, the adjusting component 200 is arranged on the main component 100, and includes a fixed sleeve 201, a fixed column 202, an adjusting member 203, a driven member 204, a limit member 205 and a guide member 206. The fixed sleeve 201 is fixed to the outside of the valve body 101, the fixed column 202 is fixed to the outside of the fixed sleeve 201, the adjusting member 203 is arranged on one side of the fixed frame 102, the driven member 204 is rotatably connected to one side of the adjusting member 203, the limit member 205 is movably connected in the adjusting member 203, and the guide member 206 is arranged in the fixed frame 102.
[0036] The follower 204 is driven to rotate by rotating the adjusting member 203, and is made to swing in an arc shape, the fixed column 202 is driven to move by the follower 204, the fixed sleeve 201 is driven to move by the fixed column 202, and the valve core inside the valve body 101 is driven to move by the fixed sleeve 201, so as to adjust the flow of the valve body 101. When the flow of the valve body 101 is adjusted, the follower 204 is positioned by the limit member 205, so as to prevent the follower 204 from rotating in the opposite direction, which would cause the adjustment facility to become loose, and the guide member 206 is provided to keep the follower 204 stable when it moves.
[0037] Example 2
[0038] Reference Figure 1 to Figure 7 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.
[0039] Specifically, the adjusting member 203 includes a fixing frame 203a, a fixing block 203b and an adjusting wheel 203c. The fixing frame 203a is fixed to one side of the fixing frame 102, the fixing block 203b is fixed to the inner top wall of the fixing frame 203a, and the adjusting wheel 203c is rotatably connected to one side of the fixing block 203b.
[0040] The fixed frame 203a is rectangular and is used to protect the fixed follower 204. The fixed block 203b is used to install the adjusting wheel 203c. When the adjusting device is turned, the adjusting wheel 203c is first rotated, and the follower 204 is driven to rotate through the adjusting wheel 203c. The follower 204 moves in an arc shape, thereby driving the fixed column 202 and the fixed sleeve 201 to move, and then the opening and closing degree of the valve core inside the valve body 101 can be adjusted.
[0041] Specifically, the follower 204 includes a positioning plate 204a, a friction wheel 204b, a first gear 204c, a positioning shaft 204d, a movable rod 204e and a second gear 204f. The positioning plate 204a is fixed in the fixed frame 203a, the friction wheel 204b is rotatably connected to one side of the positioning plate 204a, the first gear 204c is fixed to one side of the friction wheel 204b, the positioning shaft 204d is fixed in the fixed frame 203a, the movable rod 204e is movably connected to the outside of the positioning shaft 204d, and the second gear 204f is fixed to one side of the movable rod 204e.
[0042] The friction wheel 204b is rotatably connected to the positioning plate 204a via a rotating shaft, and the friction wheel 204b is meshed with the adjusting wheel 203c. When the adjusting wheel 203c rotates, it drives the friction wheel 204b to rotate, and the friction wheel 204b drives the first gear 204c to rotate. The first gear 204c is meshed with the second gear 204f, and drives the second gear 204f when rotating. The second gear 204f drives the movable rod 204e to swing, and the movable rod 204e drives the fixed column 202 to move, and the fixed column 202 drives the fixed sleeve 201 to move, and the fixed sleeve 201 drives the valve core inside the valve body 101 to move, thereby adjusting the valve body 101.
[0043] Specifically, the follower 204 also includes a first connecting block 204g, a first spring 204h and a second connecting block 204j. The first connecting block 204g is fixed to the outside of the positioning shaft 204d, the first spring 204h is fixed to one side of the first connecting block 204g, the second connecting block 204j is fixed to the other end of the first spring 204h, and one side of the second connecting block 204j is fixed to the movable rod 204e.
[0044] The first connecting block 204g is used to support the first spring 204h. The first spring 204h pushes the second connecting block 204j to move through elastic force, and the second connecting block 204j drives the movable rod 204e to move.
[0045] Specifically, a through slot S is defined in the movable rod 204 e , and the fixing column 202 is movably connected in the through slot S.
[0046] The through slot S is used to cooperate with the movable rod 204e to drive the fixed column 202 to move, and the fixed column 202 drives the fixed sleeve 201 to move, and the fixed sleeve 201 drives the valve core inside the valve body 101 to move, so as to adjust the flow inside the valve body 101 through the valve core.
[0047] Example 3
[0048] Reference Figure 1 to Figure 7 , which is the third embodiment of the utility model, and this embodiment is based on the first two embodiments.
[0049] Specifically, the limiter 205 includes a movable block 205a, teeth 205b and a third gear 205c. The movable block 205a is movably connected to one side of the positioning plate 204a, the teeth 205b are fixed to the top of the movable block 205a, and the third gear 205c is fixed to one side of the friction wheel 204b.
[0050] One side of the tooth 205b is inclined, and the third gear 205c is limited by the movable block 205a and the tooth 205b. When the third gear 205c rotates clockwise, the tooth 205b will not limit the third gear 205c. When the third gear 205c rotates reversely, the third gear 205c is limited by the tooth 205b, thereby preventing the movable rod 204e from loosening, resulting in inaccurate flow inside the valve body 101.
[0051] Specifically, the limiting member 205 further includes a positioning block 205d and a second spring 205e. The positioning block 205d is fixed to one side of the positioning plate 204a. The second spring 205e is fixed to the top of the positioning block 205d. The top of the second spring 205e is fixed to the movable block 205a.
[0052] The positioning block 205d is used to support the second spring 205e, and the second spring 205e pushes the movable block 205a, so that the movable block 205a drives the tooth 205b to move, and the tooth 205b will not be separated from the third gear 205c.
[0053] Specifically, the guide member 206 includes a guide rail 206a, a slider 206b, a connecting plate 206c, a third spring 206d and a limit block 206e. The guide rail 206a is fixed in the fixed frame 102, the slider 206b slides in the guide rail 206a, the connecting plate 206c is fixed to one side of the slider 206b, the third spring 206d is fixed on the connecting plate 206c, and the side of the limit block 206e is fixed to one end of the third spring 206d.
[0054] The guide rail 206a is provided to cooperate with the slider 206b to limit the connection plate 206c, so that the movable rod 204e is limited by the connection plate 206c, so that the movable rod 204e remains stable when driving the fixed column 202 to move.
[0055] Specifically, the guide member 206 further includes a guide block 206f. A limiting groove M is provided on the outer side of the movable rod 204e. The guide block 206f is fixed on the connecting plate 206c. One side of the guide block 206f slides in the limiting groove M.
[0056] The guide block 206f is provided to cooperate with the limiting groove M to limit the movable rod 204e. When the connecting plate 206c moves, it will drive the guide block 206f to move in the limiting groove M, thereby limiting the movable rod 204e.
[0057] Specifically, there are two guide rails 206 a , the two guide rails 206 a are U-shaped, and the two guide rails 206 a are symmetrically fixed in the fixing frame 102 .
[0058] By providing two guide rails 206 a , the movable rod 204 e will not become loose when moving, so that the fixed column 202 can be tightly fitted.
[0059] When in use, when the adjustment device is toggled, the adjusting wheel 203c is first rotated, and the follower 204 is driven to rotate by the adjusting wheel 203c, and the follower 204 moves in an arc shape, thereby driving the fixed column 202 and the fixed sleeve 201 to move, so as to adjust the opening and closing degree of the valve core inside the valve body 101, and the friction wheel 204b is rotatably connected to the positioning plate 204a through the rotating shaft, and the friction wheel 204b is meshed with the adjusting wheel 203c. When the adjusting wheel 203c is rotated When it moves, it will drive the friction wheel 204b to rotate, and the friction wheel 204b will drive the first gear 204c to rotate. The first gear 204c is engaged with the second gear 204f, and drives the second gear 204f when rotating. The second gear 204f drives the movable rod 204e to swing, and the movable rod 204e drives the fixed column 202 to move, the fixed column 202 drives the fixed sleeve 201 to move, and the fixed sleeve 201 drives the valve core inside the valve body 101 to move, so as to adjust the valve body 101.
Claims
1. A pneumatic regulating valve adjustment mechanism, characterized in that: include, A main body assembly (100) comprises a valve body (101) and a fixing frame (102), wherein the fixing frame (102) is arranged on the valve body (101); The adjusting component (200) is arranged on the main component (100), and comprises a fixing sleeve (201), a fixing column (202), an adjusting member (203), a driven member (204), a limiting member (205) and a guiding member (206), wherein the fixing sleeve (201) is fixed to the outside of the valve body (101), the fixing column (202) is fixed to the outside of the fixing sleeve (201), the adjusting member (203) is arranged on one side of the fixing frame (102), the driven member (204) is rotatably connected to one side of the adjusting member (203), the limiting member (205) is movably connected inside the adjusting member (203), and the guiding member (206) is arranged inside the fixing frame (102).
2. The pneumatic control valve adjustment mechanism according to claim 1, characterized in that: The adjusting member (203) comprises a fixing frame (203a), a fixing block (203b) and an adjusting wheel (203c); the fixing frame (203a) is fixed to one side of the fixing frame (102); the fixing block (203b) is fixed to an inner top wall of the fixing frame (203a); and the adjusting wheel (203c) is rotatably connected to one side of the fixing block (203b).
3. The pneumatic control valve adjustment mechanism according to claim 2, characterized in that: The driven member (204) comprises a positioning plate (204a), a friction wheel (204b), a first gear (204c), a positioning shaft (204d), a movable rod (204e) and a second gear (204f); the positioning plate (204a) is fixed in the fixed frame (203a); the friction wheel (204b) is rotatably connected to one side of the positioning plate (204a); the first gear (204c) is fixed to one side of the friction wheel (204b); the positioning shaft (204d) is fixed in the fixed frame (203a); the movable rod (204e) is movably connected to the outside of the positioning shaft (204d); and the second gear (204f) is fixed to one side of the movable rod (204e).
4. The pneumatic control valve adjustment mechanism according to claim 3, characterized in that: The follower (204) further comprises a first connecting block (204g), a first spring (204h) and a second connecting block (204j), wherein the first connecting block (204g) is fixed to the outside of the positioning shaft (204d), the first spring (204h) is fixed to one side of the first connecting block (204g), the second connecting block (204j) is fixed to the other end of the first spring (204h), and one side of the second connecting block (204j) is fixed to the movable rod (204e).
5. The pneumatic control valve adjustment mechanism according to claim 4, characterized in that: A through slot (S) is provided in the movable rod (204e), and the fixed column (202) is movably connected in the through slot (S).
6. The pneumatic control valve adjustment mechanism according to claim 5, characterized in that: The limiting member (205) comprises a movable block (205a), teeth (205b) and a third gear (205c); the movable block (205a) is movably connected to one side of the positioning plate (204a); the teeth (205b) are fixed to the top of the movable block (205a); and the third gear (205c) is fixed to one side of the friction wheel (204b).
7. The pneumatic control valve adjustment mechanism according to claim 6, characterized in that: The limiting member (205) further comprises a positioning block (205d) and a second spring (205e), wherein the positioning block (205d) is fixed to one side of the positioning plate (204a), the second spring (205e) is fixed to the top of the positioning block (205d), and the top end of the second spring (205e) is fixed to the movable block (205a).
8. The pneumatic control valve adjustment mechanism according to claim 7, characterized in that: The guide member (206) comprises a guide rail (206a), a slider (206b), a connecting plate (206c), a third spring (206d) and a limit block (206e); the guide rail (206a) is fixed in the fixing frame (102); the slider (206b) slides in the guide rail (206a); the connecting plate (206c) is fixed to one side of the slider (206b); the third spring (206d) is fixed on the connecting plate (206c); and the side surface of the limit block (206e) is fixed to one end of the third spring (206d).
9. The pneumatic control valve adjustment mechanism according to claim 8, characterized in that: The guide member (206) further comprises a guide block (206f); a limiting groove (M) is provided on the outer side of the movable rod (204e); the guide block (206f) is fixed on the connecting plate (206c); and one side of the guide block (206f) slides in the limiting groove (M).
10. The pneumatic control valve adjustment mechanism according to claim 9, characterized in that: There are two guide rails (206a), the two guide rails (206a) are U-shaped, and the two guide rails (206a) are symmetrically fixed in the fixing frame (102).