A pneumatic diaphragm regulating valve for easy replacement of diaphragms

By designing fixed components and adjustment components in the pneumatic membrane regulating valve, the efficiency of membrane replacement is improved, and the problem of long film replacement time in the prior art is solved, which significantly reduces the workload of staff.

CN222746710UActive Publication Date: 2025-04-11NANJING JINHUAN ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202421454324.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-04-11
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

The existing pneumatic membrane regulating valves have greater film loss after long-term use, resulting in a longer time to replace the film, which increases the workload of staff and reduces replacement efficiency.

Method used

A pneumatic membrane regulating valve is designed to facilitate the replacement of membranes, and the efficiency of membrane replacement is improved through the setting of fixing components and regulating components. The specific method is to adjust the position of the adjustment block by rotating the fixing bolts, driving the adjustment block to lower the adjustment block, compressing the adjustment spring and adjustment plate to rotate, thereby facilitating the replacement of the film.

Benefits of technology

Through this design, the efficiency of film replacement is significantly improved, the difficulty of replacement is reduced, and the workload of staff is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pneumatic diaphragm regulating valves, specifically a pneumatic diaphragm regulating valve that is easy to replace a diaphragm, including a valve body, flanges are fixedly connected on both sides of the valve body, a connecting bolt is threadedly connected to the top of the valve body, a valve cover is threadedly connected to the middle of the surface of the connecting bolt, a circular hole is opened at the top of the valve cover, and a valve stem is slidably connected to the inside of the circular hole. The utility model is provided with a fixing component and an adjusting component. When in use, the fixing bolt on the fixed block can be rotated, and the threaded sleeve drives the adjusting block to descend with the cooperation of the fixed block, and then the adjusting block on the surface of the threaded sleeve is pressed to compress the adjusting spring in the adjusting column, and then the adjusting plate is rotated to adjust the angle of the adjusting column in the threaded sleeve, and the above operation is repeated to rotate the fixing bolts on multiple fixed blocks, and then the upper tray can be removed to replace the diaphragm on the lower tray, thereby achieving the effect of improving replacement efficiency and reducing replacement difficulty.
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Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic film regulating valves, in particular to a pneumatic film regulating valve which is convenient for replacing a film. Background Art

[0002] Pneumatic diaphragm control valve is referred to as control valve, which is composed of actuator and control mechanism. Pneumatic diaphragm control valve is an extremely important part of the automatic control system of process production. In order to ensure its safe and normal operation, necessary inspection and calibration should be carried out according to actual needs before installation or after maintenance. Therefore, a pneumatic diaphragm control valve is often used in the process of process production.

[0003] However, the existing pneumatic diaphragm control valve has a weak replacement function. Since the diaphragm in the device of the pneumatic diaphragm control valve will be worn to a certain extent when it works for a long time, it is necessary to replace the worn diaphragm in the device regularly. During the replacement process, it takes a long time to replace the worn diaphragm in the device, which increases the workload of the staff and reduces the replacement efficiency. Utility Model Content

[0004] The utility model aims to provide a pneumatic diaphragm regulating valve which is convenient for replacing diaphragms, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A pneumatic diaphragm regulating valve which is convenient for replacing a diaphragm, comprises a valve body, flanges are fixedly connected to both sides of the valve body, a connecting bolt is threadedly connected to the top end of the valve body, a valve cover is threadedly connected to the middle part of the surface of the connecting bolt, a circular hole is opened at the top end of the valve cover, a valve stem is slidably connected to the inside of the circular hole, a valve core is fixedly connected to the bottom end of the valve stem, a threaded column is threadedly connected to the top end of the valve cover, a connecting component is movably connected to the surface of the threaded column, a tray component is fixedly connected to the top end of the connecting component, a plurality of fixing components are fixedly connected to the surface of the tray component, and an adjusting component is rotatably connected to the bottom end of the fixing component.

[0007] Preferably, the connecting assembly includes a support frame, the interior of the support frame is slidably connected to the middle of the surface of the threaded column, the inner bottom wall of the support frame is movably connected to a fixing ring, and the middle of the surface of the support frame is fixedly connected to a control seat.

[0008] Preferably, the tray assembly includes a lower tray, the bottom end of the lower tray is fixedly connected to the top of the support frame, both sides of the inner bottom wall of the lower tray are fixedly connected with telescopic springs, the top end of the inner wall of the lower tray is movably connected with a diaphragm, the top end of the diaphragm is movably connected with an extrusion plate, and the top end of the extrusion plate is fixedly connected to the upper tray.

[0009] Preferably, the fixing assembly comprises a fixing block, one end of which is fixedly connected to the surface of the upper tray, one side of the top end of the fixing block is rotatably connected to a fixing bolt, and a threaded sleeve is threadedly connected to the surface of the fixing bolt.

[0010] Preferably, the adjustment assembly includes an adjustment column, the top end of the adjustment column is rotatably connected to the bottom end of the threaded sleeve, two adjustment springs are fixedly connected inside the adjustment column, one end of the adjustment spring is fixedly connected to an adjustment block, and the bottom end of the adjustment column is fixedly connected to an adjustment plate.

[0011] Preferably, an adjustment hole is opened at the bottom end of the surface of the threaded sleeve, and the inside of the adjustment hole is slidably connected to the surface of the adjustment block.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The pneumatic diaphragm regulating valve is easy to replace the diaphragm. Through the arrangement of the fixing component and the adjusting component, the fixing bolt on the fixing block can be rotated when in use, and the threaded sleeve drives the adjusting block to descend with the cooperation of the fixing block, and then the adjusting block on the surface of the threaded sleeve is pressed to compress the adjusting spring in the adjusting column, and then the adjusting plate is rotated to adjust the angle of the adjusting column in the threaded sleeve, and the above operation is repeated to rotate the fixing bolts on multiple fixing blocks, and then the upper tray can be removed to replace the diaphragm on the lower tray, thereby achieving the effect of improving replacement efficiency and reducing replacement difficulty. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of a tray assembly of the utility model;

[0016] Figure 3 It is a schematic diagram of the fixing component and the adjusting component of the utility model;

[0017] Figure 4 It is a partial disassembly schematic diagram of the utility model.

[0018] In the figure: 1. valve body; 2. flange; 3. connecting bolt; 4. valve cover; 5. valve stem; 6. valve core; 7. threaded column; 8. connecting assembly; 801. support frame; 802. fixing ring; 803. control seat; 9. tray assembly; 901. lower tray; 902. telescopic spring; 903. diaphragm; 904. extrusion plate; 905. upper tray; 10. fixing assembly; 1001. fixing block; 1002. fixing bolt; 1003. threaded sleeve; 11. adjusting assembly; 1101. adjusting column; 1102. adjusting spring; 1103. adjusting block; 1104. adjusting plate. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-Figure 4 As shown, a technical solution provided by the utility model:

[0021] A pneumatic diaphragm regulating valve for easy replacement of a diaphragm, comprising a valve body 1, flanges 2 are fixedly connected to both sides of the valve body 1, a connecting bolt 3 is threadedly connected to the top of the valve body 1, a valve cover 4 is threadedly connected to the middle of the surface of the connecting bolt 3, a round hole is opened at the top of the valve cover 4, a valve stem 5 is slidably connected to the inside of the round hole, a valve core 6 is fixedly connected to the bottom end of the valve stem 5, a threaded column 7 is threadedly connected to the top of the valve cover 4, a connecting component 8 is movably connected to the surface of the threaded column 7, a tray component 9 is fixedly connected to the top of the connecting component 8, a plurality of fixing components 10 are fixedly connected to the surface of the tray component 9, and an adjusting component 11 is rotatably connected to the bottom end of the fixing component 10;

[0022] In this embodiment, preferably, the connecting component 8 includes a support frame 801, the interior of the support frame 801 is slidably connected to the middle part of the surface of the threaded column 7, the inner bottom wall of the support frame 801 is movably connected with a fixing ring 802, and the middle part of the surface of the support frame 801 is fixedly connected with a control seat 803. Through the setting of the connecting component 8, the position of the support frame 801 can be fixed by using the fixing ring 802 to cooperate with the threaded column 7 when in use, thereby achieving the effect of easy installation;

[0023] In this embodiment, preferably, the tray assembly 9 includes a lower tray 901, the bottom end of the lower tray 901 is fixedly connected to the top of the support frame 801, and both sides of the inner bottom wall of the lower tray 901 are fixedly connected with telescopic springs 902, and the top of the inner wall of the lower tray 901 is movably connected with a diaphragm 903, and the top of the diaphragm 903 is movably connected with an extrusion plate 904, and the top of the extrusion plate 904 is fixedly connected with an upper tray 905. Through the arrangement of the tray assembly 9, the position of the diaphragm 903 in the lower tray 901 can be fixed by the cooperation between the lower tray 901, the upper tray 905 and the extrusion plate 904 when in use, thereby achieving the effect of easy installation;

[0024] In this embodiment, preferably, the fixing assembly 10 includes a fixing block 1001, one end of which is fixedly connected to the surface of the upper tray 905, and one side of the top of the fixing block 1001 is rotatably connected to a fixing bolt 1002, and a threaded sleeve 1003 is threadedly connected to the surface of the fixing bolt 1002. Through the setting of the fixing assembly 10, the fixing bolt 1002 on the fixing block 1001 can be rotated when in use, and the threaded sleeve 1003 drives the adjustment block 1103 to descend under the cooperation of the fixing block 1001, thereby achieving the effect of adjusting the position of the adjustment block 1103;

[0025] In this embodiment, preferably, the adjustment component 11 includes an adjustment column 1101, the top of the adjustment column 1101 is rotatably connected to the bottom end of the threaded sleeve 1003, two adjustment springs 1102 are fixedly connected inside the adjustment column 1101, one end of the adjustment spring 1102 is fixedly connected to an adjustment block 1103, and the bottom end of the adjustment column 1101 is fixedly connected to an adjustment plate 1104. Through the setting of the adjustment component 11, when in use, the adjustment block 1103 on the surface of the threaded sleeve 1003 is pressed to compress the adjustment spring 1102 in the adjustment column 1101, and then the adjustment plate 1104 is rotated to adjust the angle of the adjustment column 1101 in the threaded sleeve 1003, thereby achieving the effect of easy disassembly;

[0026] In this embodiment, preferably, an adjustment hole is opened at the bottom end of the surface of the threaded sleeve 1003 , and the inside of the adjustment hole is slidably connected to the surface of the adjustment block 1103 .

[0027] When in use, the pneumatic diaphragm regulating valve of the present embodiment, which is easy to replace the diaphragm, can rotate the fixing bolt 1002 on the fixed block 1001, and with the cooperation of the fixed block 1001, the threaded sleeve 1003 can drive the adjusting block 1103 to descend, and then press the adjusting block 1103 on the surface of the threaded sleeve 1003 to compress the adjusting spring 1102 in the adjusting column 1101, and then rotate the adjusting plate 1104 to adjust the angle of the adjusting column 1101 in the threaded sleeve 1003, repeat the above operation to rotate the fixing bolts 1002 on multiple fixed blocks 1001, and then the upper tray 905 can be removed to replace the diaphragm 903 on the lower tray 901.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A pneumatic diaphragm regulating valve for easy replacement of a diaphragm, comprising a valve body (1), characterized in that: The valve body (1) is fixedly connected to flanges (2) on both sides, the top end of the valve body (1) is threadedly connected to a connecting bolt (3), the middle part of the surface of the connecting bolt (3) is threadedly connected to a valve cover (4), the top end of the valve cover (4) is provided with a circular hole, the inside of the circular hole is slidably connected to a valve stem (5), the bottom end of the valve stem (5) is fixedly connected to a valve core (6), the top end of the valve cover (4) is threadedly connected to a threaded column (7), the surface of the threaded column (7) is movably connected to a connecting component (8), the top end of the connecting component (8) is fixedly connected to a tray component (9), the surface of the tray component (9) is fixedly connected to a plurality of fixing components (10), and the bottom end of the fixing component (10) is rotatably connected to an adjusting component (11).

2. The pneumatic diaphragm regulating valve for easy replacement of diaphragms according to claim 1, characterized in that: The connecting assembly (8) comprises a support frame (801), the interior of the support frame (801) is slidably connected to the middle part of the surface of the threaded column (7), the inner bottom wall of the support frame (801) is movably connected to a fixing ring (802), and the middle part of the surface of the support frame (801) is fixedly connected to a control seat (803).

3. The pneumatic diaphragm regulating valve for easy replacement of diaphragms according to claim 1, characterized in that: The tray assembly (9) comprises a lower tray (901), the bottom end of the lower tray (901) is fixedly connected to the top end of the support frame (801), both sides of the inner bottom wall of the lower tray (901) are fixedly connected with telescopic springs (902), the top end of the inner wall of the lower tray (901) is movably connected with a diaphragm (903), the top end of the diaphragm (903) is movably connected with an extrusion plate (904), and the top end of the extrusion plate (904) is fixedly connected with an upper tray (905).

4. The pneumatic diaphragm regulating valve for easy replacement of diaphragms according to claim 1, characterized in that: The fixing assembly (10) comprises a fixing block (1001), one end of which is fixedly connected to the surface of the upper tray (905), one side of the top end of the fixing block (1001) is rotatably connected to a fixing bolt (1002), and a threaded sleeve (1003) is threadedly connected to the surface of the fixing bolt (1002).

5. The pneumatic diaphragm regulating valve for easy replacement of diaphragms according to claim 1, characterized in that: The adjustment component (11) comprises an adjustment column (1101), the top end of the adjustment column (1101) is rotatably connected to the bottom end of the threaded sleeve (1003), two adjustment springs (1102) are fixedly connected inside the adjustment column (1101), one end of the adjustment spring (1102) is fixedly connected to an adjustment block (1103), and the bottom end of the adjustment column (1101) is fixedly connected to an adjustment plate (1104).

6. A pneumatic diaphragm regulating valve for easy replacement of diaphragms according to any one of claims 4 to 5, characterized in that: An adjustment hole is provided at the bottom end of the surface of the threaded sleeve (1003), and the interior of the adjustment hole is slidably connected to the surface of the adjustment block (1103).