High-temperature gas self-operated regulating valve with dial plate
By using sealed corrugated docking grooves and sealed corrugated pipe structures in the self-operated regulating valve for high-temperature gas and using polytetrafluoroethylene filler, the problem of poor sealing performance of the self-operated regulating valve for high-temperature gas under high pressure is solved, and higher sealing and stability are achieved.
Patent Information
- Application Number
- CN202422733902.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-11-11
AI Technical Summary
The existing self-forced regulating valves for high-temperature gases have poor sealing properties under long-term high pressure and are prone to leakage.
The valve butt structure and seal push rod structure are adopted, including sealed corrugated docking grooves and sealed corrugated pipes, and polytetrafluoroethylene is used as the sealing filler to enhance the sealing property.
It improves the sealing at the valve docking point, prevents leakage after repeated operation of the sliding push rod, and ensures that the valve works stably under high temperature and high pressure.
Smart Images
Figure CN223215773U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of regulating valves, in particular to a self-operated regulating valve for high-temperature gas with a dial. Background Art
[0002] The self-operated pressure regulating valve uses the pressure of the pipeline itself to control the pressure after the valve to play a role in reducing pressure and stabilizing pressure. It is particularly suitable for liquid, gas, and steam occasions. In actual use, due to the control characteristics of the valve, there is a long-term sealing problem in the stroke of the self-operated regulating valve under pressure. The existing device structure is relatively simple to connect at the connection point, and the contact surface is mostly smooth and prone to leakage. Therefore, a self-operated regulating valve for high-temperature gas with a dial is proposed. Utility Model Content
[0003] The main purpose of the utility model is to provide a self-operated regulating valve for high-temperature gas with a dial, which can effectively solve the problems in the background technology.
[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0005] A self-operated regulating valve for high-temperature gas with a dial includes a valve docking structure, a sealing push rod structure, a fixing structure, a reset structure and an execution structure. The surface of the valve docking structure is fixedly docked with the sealing push rod structure, the surface of the valve docking structure is fixedly connected to the fixing structure, the surface of the sealing push rod structure is fixedly connected to the reset structure, and one end surface of the fixing structure is fixedly connected to the execution structure.
[0006] Preferably, the valve docking structure includes a valve body, a flow chamber, a sealed docking base, a sealed corrugated docking groove and a connecting docking interface. The inner surface of the valve body is fixedly provided with a flow chamber, the surface of the flow chamber is fixedly provided with a sealed docking base, the top surface of the valve body is fixedly provided with a sealed corrugated docking groove, and the surface of the valve body is fixedly provided with a connecting docking interface.
[0007] Preferably, the sealing push rod structure includes a sealing sleeve, a corrugated butt joint, a sealing bellows, a sealing filler, a filler pressing sheet, a staple, a sealing head and a pushing slide rod. The bottom end surface of the sealing sleeve is fixedly provided with a corrugated butt joint, the internal fixed sleeve of the sealing sleeve is provided with a sealing bellows, the surface movable sleeve of the sealing bellows is provided with a pushing slide rod, the internal surface of the sealing sleeve is fixedly filled with a sealing filler, the surface of the sealing filler is fixedly adhered to a filler pressing sheet, and the top end surface of the sealing sleeve is fixedly docked with a staple.
[0008] Preferably, the fixing structure includes a lower pressure plate, a fixing nut and a connecting rod, the surface of the lower pressure plate is spirally connected to the fixing nut, the surface of the lower pressure plate is spirally connected to the connecting rod, and one end surface of the connecting rod is spirally connected to the execution structure.
[0009] Preferably, the reset structure includes a fixed top plate, a rotating bearing, a fixed ring, a spring and a fixed bottom plate. The surface of the fixed top plate is fixedly provided with a rotating bearing, the bottom end surface of the fixed top plate is fixedly connected to a spring, one end surface of the spring is fixedly connected to the fixed bottom plate, the fixed bottom plate is fixedly connected to the sealing sleeve, and the surface of the push slide rod is spirally connected to a fixed ring.
[0010] Preferably, the execution structure includes an actuator, a sliding sleeve, a docking plate, a connecting pipe and a valve pressure gauge. The surface of the actuator is fixedly sleeved with a sliding sleeve, the inner surface of the actuator is fixedly provided with a docking plate, the top surface of the actuator is fixedly docked with a connecting pipe, the surface of the connecting pipe is fixedly provided with a valve pressure gauge, one end surface of the push slide rod is fixedly connected to the docking plate, and one end surface of the connecting pipe is fixedly connected to the connecting docking port.
[0011] Compared with the prior art, the present invention has the following beneficial effects:
[0012] The utility model discloses a self-operated regulating valve for high-temperature gas with a dial. The sealing performance of the joint between the two is improved by arranging a valve docking structure and a sealing push rod structure. The existing docking structure is changed. A sealing corrugated docking groove is fixedly arranged on the surface of the valve docking structure. The corrugated docking joint of the sealing push rod structure is docked with it. The surface wave ring of the sealing corrugated docking groove is a soft sealing ring, so that the docking contact surface between the two is improved. The sealing push rod structure is multiplexed and strengthened at the same time. The interfaces at both ends of the sealing sleeve are provided with sealing bellows and sealing fillers to prevent leakage after the sliding push rod is repeatedly operated. The sealing filler is made of polytetrafluoroethylene. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is an overall schematic diagram of a self-operated regulating valve for high-temperature gas with a dial according to the present invention;
[0014] Figure 2 This is a schematic diagram of the valve docking structure of a self-operated regulating valve for high-temperature gas with a dial according to the present invention;
[0015] Figure 3 This is a schematic diagram of the sealing push rod structure of a self-operated regulating valve for high-temperature gas with a dial according to the present invention;
[0016] Figure 4This is a schematic diagram of the fixing structure of a self-operated regulating valve for high-temperature gas with a dial according to the present invention;
[0017] Figure 5 This is a schematic diagram of the execution structure of a self-operated regulating valve for high-temperature gas with a dial according to the present invention;
[0018] In the figure: 1. Valve docking structure; 101. Valve body; 102. Flow chamber; 103. Sealing docking base; 104. Sealing corrugated docking groove; 105. Connecting docking port; 2. Sealing push rod structure; 201. Sealing sleeve; 202. Corrugated docking joint; 203. Sealing bellows; 204. Sealing packing; 205. Packing pressing sheet; 206. Pin; 207. Sealing head; 208. Push slide rod; 3. Fixing structure; 301. Lower pressure plate; 302. Fixing nut; 303. Connecting rod; 4. Reset structure; 401. Fixed top plate; 402. Rotating bearing; 403. Fixing ring; 404. Spring; 405. Fixed chassis; 5. Actuator structure; 501. Actuator; 502. Sliding sleeve; 503. Docking plate; 504. Connecting pipe; 505. Valve pressure gauge. DETAILED DESCRIPTION
[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.
[0020] like Figure 1-5 As shown, a self-operated regulating valve for high-temperature gas with a dial includes a valve docking structure 1, a sealing push rod structure 2, a fixing structure 3, a reset structure 4, and an actuator structure 5. The sealing push rod structure 2 is fixedly docked on the surface of the valve docking structure 1, the fixing structure 3 is fixedly connected to the surface of the valve docking structure 1, the reset structure 4 is fixedly connected to the surface of the sealing push rod structure 2, and the actuator structure 5 is fixedly connected to one end surface of the fixing structure 3.
[0021] The valve docking structure 1 includes a valve body 101, a flow chamber 102, a sealing docking base 103, a sealing corrugated docking groove 104 and a connecting interface 105. The inner surface of the valve body 101 is fixedly provided with a flow chamber 102, the surface of the flow chamber 102 is fixedly provided with a sealing docking base 103, the top surface of the valve body 101 is fixedly provided with a sealing corrugated docking groove 104, and the surface of the valve body 101 is fixedly provided with a connecting interface 105; the sealing push rod structure 2 includes a sealing sleeve 201, a corrugated docking joint 202, a sealing bellows 203, a sealing packing 204, a packing pressing piece 205, a card The bottom surface of the sealing sleeve 201 is fixed with a corrugated joint 202, the internal fixed sleeve of the sealing sleeve 201 is provided with a sealing bellows 203, the surface of the sealing bellows 203 is movable with a push slide 208, the inner surface of the sealing sleeve 201 is fixedly filled with a sealing filler 204, the surface of the sealing filler 204 is fixedly fitted with a filler pressing sheet 205, and the top surface of the sealing sleeve 201 is fixedly docked with a staple 206; the fixing structure 3 includes a lower pressure plate 301, a fixing nut 302 and a connecting rod 303, and the lower pressure plate 301 The surface of the lower pressure plate 301 is spirally connected with a fixing nut 302, the surface of the lower pressure plate 301 is spirally connected with a connecting rod 303, and one end surface of the connecting rod 303 is spirally connected with an execution structure 5; the reset structure 4 includes a fixed top plate 401, a rotating bearing 402, a fixing ring 403, a spring 404 and a fixed bottom plate 405, the surface of the fixed top plate 401 is fixedly provided with a rotating bearing 402, the bottom end surface of the fixed top plate 401 is fixedly connected with a spring 404, one end surface of the spring 404 is fixedly connected with a fixed bottom plate 405, the fixed bottom plate 405 is fixedly connected to the sealing sleeve 201, and the sliding rod 208 is pushed. The surface of the actuator 501 is spirally connected with a fixing ring 403; the execution structure 5 includes an actuator 501, a sliding sleeve 502, a docking disk 503, a connecting pipe 504 and a valve pressure gauge 505. The surface of the actuator 501 is fixedly sleeved with a sliding sleeve 502, the inner surface of the actuator 501 is fixedly provided with a docking disk 503, the top surface of the actuator 501 is fixedly docked with a connecting pipe 504, the surface of the connecting pipe 504 is fixedly provided with a valve pressure gauge 505, one end surface of the push slide rod 208 is fixedly connected to the docking disk 503, and one end surface of the connecting pipe 504 is fixedly connected to the connecting docking port 105.
[0022] It should be noted that the present invention is a self-operated regulating valve for high-temperature gas with a dial, which can improve the sealing performance of the joint between the valve joint structure 1 and the sealing push rod structure 2, change the existing joint structure, and fix a sealing corrugated joint groove 104 on the surface of the valve joint structure. When the corrugated joint 202 of the sealing push rod structure 2 is connected to it, the surface wave ring of the sealing corrugated joint groove 104 is a soft sealing ring, so that the joint contact surface between the two is improved, and multiple layers are set to improve the sealing performance, and at the same time the sealing push rod structure 2 is strengthened. Sealing bellows 203 and sealing fillers 204 are provided inside the interfaces at both ends of the sealing sleeve 201 to prevent leakage after repeated operation of the push rod slide 208. The sealing filler is made of polytetrafluoroethylene. The overall working principle is to pressurize the inside of the execution structure through the internal airflow so that its docking plate 503 will push the slide 208 downward, thereby docking the sealing head 207 with the sealing docking base 103 in the flow chamber 102, thereby reducing the flow speed or completely blocking the flow valve pressure gauge 505 to control the amount of pressurization of the actuator 501.
[0023] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.
Claims
1. A self-operated regulating valve for high-temperature gas with a dial, characterized in that: The invention comprises a valve docking structure (1), a sealing push rod structure (2), a fixing structure (3), a reset structure (4) and an execution structure (5), wherein the surface of the valve docking structure (1) is fixedly docked with the sealing push rod structure (2), the surface of the valve docking structure (1) is fixedly connected to the fixing structure (3), the surface of the sealing push rod structure (2) is fixedly connected to the reset structure (4), and one end surface of the fixing structure (3) is fixedly connected to the execution structure (5).
2. A self-operated regulating valve for high-temperature gas with a dial according to claim 1, characterized in that: The valve docking structure (1) comprises a valve body (101), a flow chamber (102), a sealed docking base (103), a sealed corrugated docking groove (104) and a connecting docking port (105), wherein the flow chamber (102) is fixedly provided on the inner surface of the valve body (101), the sealed docking base (103) is fixedly provided on the surface of the flow chamber (102), the sealed corrugated docking groove (104) is fixedly provided on the top surface of the valve body (101), and the connecting docking port (105) is fixedly provided on the surface of the valve body (101).
3. The self-operated regulating valve for high-temperature gas with a dial according to claim 2, characterized in that: The sealing push rod structure (2) comprises a sealing sleeve (201), a corrugated joint (202), a sealing bellows (203), a sealing filler (204), a filler pressing sheet (205), a staple (206), a sealing head (207) and a pushing slide rod (208); the bottom end surface of the sealing sleeve (201) is fixedly provided with the corrugated joint (202); the interior of the sealing sleeve (201) is fixedly sleeved with the sealing bellows (203); the surface of the sealing bellows (203) is movably sleeved with the pushing slide rod (208); the interior surface of the sealing sleeve (201) is fixedly filled with the sealing filler (204); the surface of the sealing filler (204) is fixedly attached with the filler pressing sheet (205); and the top end surface of the sealing sleeve (201) is fixedly butted with the staple (206).
4. The self-operated regulating valve for high-temperature gas with a dial according to claim 3, characterized in that: The fixing structure (3) comprises a lower pressure plate (301), a fixing nut (302) and a connecting rod (303); the surface of the lower pressure plate (301) is spirally connected to the fixing nut (302); the surface of the lower pressure plate (301) is spirally connected to the connecting rod (303); and one end surface of the connecting rod (303) is spirally connected to the execution structure (5).
5. The self-operated regulating valve for high-temperature gas with a dial according to claim 4, characterized in that: The reset structure (4) comprises a fixed top plate (401), a rotating bearing (402), a fixed ring (403), a spring (404) and a fixed bottom plate (405); the surface of the fixed top plate (401) is fixedly provided with a rotating bearing (402); the bottom end surface of the fixed top plate (401) is fixedly connected to the spring (404); one end surface of the spring (404) is fixedly connected to the fixed bottom plate (405); the fixed bottom plate (405) is fixedly connected to the sealing sleeve (201); and the surface of the push slide rod (208) is spirally connected to the fixed ring (403).
6. The self-operated regulating valve for high-temperature gas with a dial according to claim 5, characterized in that: The execution structure (5) comprises an actuator (501), a sliding sleeve (502), a docking plate (503), a connecting pipe (504) and a valve pressure gauge (505); the surface of the actuator (501) is fixedly provided with a sliding sleeve (502); the inner surface of the actuator (501) is fixedly provided with a docking plate (503); the top surface of the actuator (501) is fixedly docked with a connecting pipe (504); the surface of the connecting pipe (504) is fixedly provided with a valve pressure gauge (505); one end surface of the push slide rod (208) is fixedly connected to the docking plate (503); and one end surface of the connecting pipe (504) is fixedly connected to the connecting docking port (105).