CN216555372U - High-temperature and high-pressure stop valve with high sealing performance - Google Patents
High-temperature and high-pressure stop valve with high sealing performance Download PDFInfo
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- CN216555372U CN216555372U CN202121790481.2U CN202121790481U CN216555372U CN 216555372 U CN216555372 U CN 216555372U CN 202121790481 U CN202121790481 U CN 202121790481U CN 216555372 U CN216555372 U CN 216555372U
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Abstract
The utility model discloses a high-temperature and high-pressure stop valve with high sealing performance, which comprises a valve body, wherein a water inlet flow passage and a water outlet flow passage are respectively arranged at two ends of the valve body, a mounting hole is formed in the top of the valve body, the water outlet flow passage is communicated with the water inlet flow passage through the mounting hole, a flow guide sleeve is arranged in the mounting hole, the flow guide sleeve is in sealing connection with the mounting hole through two first sealing rings, and a side opening is formed in the side wall of the flow guide sleeve; according to the utility model, through the arrangement of the flow guide sleeve, the conical sealing block with the sealing conical opening, the second sealing gasket, the second sealing ring and the like, when the stop valve is used, the hand wheel is rotated, and the valve plate can be driven to move upwards by utilizing the threaded fit of the nut and the valve rod, so that the outer wall of the conical sealing block is tightly attached to the sealing conical opening, the top surface of the second sealing gasket is tightly attached to the bottom surface of the flow guide sleeve, the second sealing ring is embedded into the corresponding annular sealing groove, and the sealing effect of the stop valve can be effectively improved by utilizing a multiple sealing mode of matching soft and hard.
Description
Technical Field
The utility model relates to a stop valve, in particular to a high-temperature and high-pressure stop valve with high sealing property.
Background
The stop valve, also called stop valve, is one of the most widely used valves, and it is popular because the friction between the sealing surfaces is small in the opening and closing process, it is durable, the opening height is not large, it is easy to manufacture, it is convenient to maintain, it is not only suitable for middle and low pressure, but also for high pressure. The closing principle of the stop valve is that the valve plate sealing surface is tightly attached to the valve seat sealing surface by means of the pressure of a valve rod, and the medium is prevented from flowing.
The structure of the sealing surface of the valve plate and the sealing surface of the valve seat of the existing stop valve is single, and the sealing effect is to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-temperature and high-pressure stop valve with high sealing performance, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a high-temperature and high-pressure stop valve with high sealing performance comprises a valve body, wherein a water inlet flow passage and a water outlet flow passage are respectively arranged at two ends of the valve body, a mounting hole is formed in the top of the valve body, the water outlet flow passage is communicated with the water inlet flow passage through the mounting hole, a flow guide sleeve is arranged in the mounting hole and is in sealing connection with the mounting hole through two first sealing rings, a side opening is formed in the side wall of the flow guide sleeve, the side opening is communicated with the water outlet flow passage, the two first sealing rings are symmetrically distributed on two sides of the side opening, the bottom opening of the flow guide sleeve is communicated with the water inlet flow passage, a sealing conical opening is formed in the bottom opening of the flow guide sleeve, a valve cover is fixedly connected to the top of the valve body through bolts, the flow guide sleeve is tightly pressed in the mounting hole by the bottom of the valve cover, a valve rod is movably arranged on the valve cover in a penetrating manner, and the bottom end of the valve rod is fixedly connected with a valve plate after penetrating through the flow guide sleeve, the top of valve plate is located the outside fixedly connected with toper sealing block of valve rod, toper sealing block and sealed awl mouth looks adaptation, the top of valve plate is located the outside fixedly connected with second sealing pad of toper sealing block, the bottom looks adaptation of the sealed pad of second and water conservancy diversion cover, the top cap has been cup jointed in the activity on the valve rod, has pressed the cover, has sealed the filler, the top cap passes through screw thread fixed connection with the valve gap, the outer wall of valve rod has cup jointed the nut through screw-thread fit, the top fixed connection of nut and top cap, the top fixedly connected with hand wheel of valve rod.
As a further scheme of the utility model: the bottom end of the pressing sleeve compresses the sealing filler in the valve cover, and the top end of the pressing sleeve is fixedly connected with the inner wall of the top cover.
As a further scheme of the utility model: the top of water conservancy diversion cover is provided with first sealed the pad, the top surface of first sealed pad is closely laminated with the bottom of valve gap.
As a further scheme of the utility model: the top of the flow guide sleeve is fixedly connected with a plurality of positioning pins, positioning holes are formed in the bottom of the valve cover and corresponding positions of the positioning pins, and the top ends of the positioning pins penetrate through the first sealing gaskets and then are located in the corresponding positioning holes.
As a further scheme of the utility model: the bottom surface of the flow guide sleeve is provided with a plurality of annular seal grooves concentric with the seal taper opening, the top of the second seal gasket is integrally formed with a plurality of second seal rings concentric with the conical seal block, and the second seal rings correspond to the annular seal grooves one to one.
As a still further scheme of the utility model: the bottom fixedly connected with guide bar of valve plate, the guiding hole has been seted up with the department that corresponds of guide bar to the inner wall of inhalant canal, the bottom of guide bar is located the guiding hole.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the arrangement of the flow guide sleeve, the sealing conical opening, the annular sealing groove, the valve plate, the conical sealing block, the second sealing gasket, the second sealing ring and the like, when the stop valve is used, the hand wheel is rotated, and the valve plate can be driven to move upwards by utilizing the threaded fit of the nut and the valve rod, so that the outer wall of the conical sealing block is tightly attached to the sealing conical opening, the top surface of the second sealing gasket is tightly attached to the bottom surface of the flow guide sleeve, the second sealing ring is embedded into the corresponding annular sealing groove, and the sealing effect of the stop valve can be effectively improved by utilizing a multiple sealing mode of matching soft and hard.
2. According to the stop valve, the positioning pin is matched with the positioning hole, so that the guide sleeve is conveniently positioned, the side opening is conveniently aligned with the water outlet flow channel in the process of assembling the stop valve, the positioning pin is firstly inserted into the corresponding positioning hole to position the valve cover and the guide sleeve, then the hand wheel is rotated to move the valve plate upwards so as to clamp the guide sleeve between the valve cover and the valve plate, then the guide sleeve is inserted into the mounting hole, and the valve cover and the valve body are fixed through the bolt.
3. According to the utility model, the sealing taper hole matched with the conical sealing block is arranged on the flow guide sleeve, when the sealing taper hole is washed by fluid for a long time to cause the reduction of the sealing performance, only the flow guide sleeve needs to be replaced, the integral stop valve does not need to be replaced, and the use cost is saved.
Drawings
Fig. 1 is a schematic structural diagram of a high-temperature and high-pressure stop valve with high sealing performance.
Fig. 2 is a schematic structural diagram of a valve body in a high-temperature and high-pressure stop valve with high sealing performance.
Fig. 3 is an enlarged view at B in fig. 1.
Fig. 4 is an enlarged view of a point a in fig. 1.
The valve comprises a valve body 1, a water inlet flow passage 2, a water outlet flow passage 3, a mounting hole 4, a guide hole 5, a flow guide sleeve 6, a side opening 7, a sealing taper opening 8, an annular sealing groove 9, a positioning pin 10, a first sealing ring 11, a first sealing gasket 12, a valve cover 13, a positioning hole 14, a sealing filler 15, a pressing sleeve 16, a top cover 17, a nut 18, a hand wheel 19, a valve rod 20, a conical sealing block 21, a second sealing gasket 22, a second sealing gasket 23, a valve plate 24 and a guide rod 25.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, are used merely to facilitate description of the present invention and to simplify description, and do not indicate or imply that the referenced devices or elements must have the particular orientations, configurations and operations described in the specification, and therefore are not to be considered limiting.
Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Referring to fig. 1 to 4, in the embodiment of the utility model, the valve comprises a valve body 1, a water inlet flow passage 2 and a water outlet flow passage 3 are respectively formed at two ends of the valve body 1, a mounting hole 4 is formed at the top of the valve body 1, the water outlet flow passage 3 is communicated with the water inlet flow passage 2 through the mounting hole 4, a flow guide sleeve 6 is arranged in the mounting hole 4, the flow guide sleeve 6 is hermetically connected with the mounting hole 4 through two first seal rings 11, a side opening 7 is formed in the side wall of the flow guide sleeve 6, the side opening 7 is communicated with the water outlet flow passage 3, the two first seal rings 11 are symmetrically distributed at two sides of the side opening 7, the bottom opening of the flow guide sleeve 6 is communicated with the water inlet flow passage 2, a sealing taper 8 is arranged at the bottom opening of the flow guide sleeve 6, a valve cover 13 is fixedly connected to the top of the valve body 1 through a bolt, and the flow guide sleeve 6 is tightly pressed in the mounting hole 4 by the bottom of the valve cover 13, valve gap 13 is gone up the activity and is run through and be provided with valve rod 20, fixedly connected with valve plate 24 behind water conservancy diversion cover 6 is passed to valve rod 20's bottom, the top of valve plate 24 is located the outside fixedly connected with toper seal block 21 of valve rod 20, toper seal block 21 and the 8 looks adaptations of sealed awl mouth, the outside fixedly connected with second that the top of valve plate 24 is located toper seal block 21 seals up the pad 22, the bottom looks adaptation of second sealed pad 22 and water conservancy diversion cover 6, top cap 17, pressure cover 16, sealed filler 15 have been cup jointed in the activity on the valve rod 20, top cap 17 passes through screw thread fixed connection with valve gap 13, nut 18 has been cup jointed through screw thread fit to the outer wall of valve rod 20, nut 18 and top fixed connection of top cap 17, the top fixedly connected with hand wheel 19 of valve rod 20.
The bottom end of the pressing sleeve 16 presses the sealing packing 15 in the valve cover 13, and the top end of the pressing sleeve 16 is fixedly connected with the inner wall of the top cover 17.
Through the setting of sealing filler 15, can avoid valve gap 13 department infiltration to playing good sealed effect between valve rod 20 and the valve gap 13.
The top of water conservancy diversion cover 6 is provided with first sealed 12 of filling up, the top surface of first sealed 12 of filling up closely laminates with the bottom of valve gap 13.
Through the arrangement of the first sealing gasket 12, good sealing performance can be achieved between the guide sleeve 6 and the valve cover 13.
The top of the flow guide sleeve 6 is fixedly connected with a plurality of positioning pins 10, positioning holes 14 are formed in the positions, corresponding to the positioning pins 10, of the bottom of the valve cover 13, and the top ends of the positioning pins 10 penetrate through the first sealing gaskets 12 and then are located in the corresponding positioning holes 14.
Through the cooperation of locating pin 10 and locating hole 14, be convenient for fix a position water conservancy diversion cover 6 to in the in-process of assembling the stop valve, be convenient for align side opening 7 with outlet channel 3.
The bottom surface of the flow guide sleeve 6 is provided with a plurality of annular seal grooves 9 concentric with the seal taper mouth 8, the top of the second seal gasket 22 is integrally formed with a plurality of second seal rings 23 concentric with the conical seal block 21, and the second seal rings 23 correspond to the annular seal grooves 9 one by one.
The sealing performance of the stop valve can be further improved by the matching of the annular sealing groove 9 and the second sealing ring 23.
The bottom fixedly connected with guide bar 25 of valve plate 24, guiding hole 5 has been seted up with the department that corresponds of guide bar 25 to the inner wall of inlet channel 2, the bottom of guide bar 25 is located guiding hole 5.
The stability of the valve plate 24 moving up and down can be improved by the cooperation of the guide hole 5 and the guide rod 25.
The working principle of the utility model is as follows:
in the utility model, through the arrangement of the guide sleeve 6, the sealing conical opening 8, the annular sealing groove 9, the valve plate 24, the conical sealing block 21, the second sealing gasket 22 and the second sealing ring 23, when the stop valve is used, the hand wheel 19 is rotated, and the valve plate 24 can be driven to move upwards by utilizing the threaded fit of the nut 18 and the valve rod 20, so that the outer wall of the conical sealing block 21 is tightly attached to the sealing conical opening 8, the top surface of the second sealing gasket 22 is tightly attached to the bottom surface of the guide sleeve 6, and the second sealing ring 23 is embedded into the corresponding annular sealing groove 9.
In the utility model, the positioning pin 10 is matched with the positioning hole 14, so that the guide sleeve 6 is conveniently positioned, the side opening 7 is conveniently aligned with the water outlet flow channel 3 in the process of assembling the stop valve, during the specific operation, the positioning pin 10 is firstly inserted into the corresponding positioning hole 14 to position the valve cover 13 and the guide sleeve 6, then the hand wheel 19 is rotated to move the valve plate 24 upwards to clamp the guide sleeve 6 between the valve cover 13 and the valve plate 24, then the guide sleeve 6 is inserted into the mounting hole 4, and the valve cover 13 and the valve body 1 are fixed by using bolts.
In the utility model, the sealing taper 8 which is matched with the conical sealing block 21 in the direction is arranged on the flow guide sleeve 6, when the sealing taper 8 is washed by fluid for a long time to cause the reduction of the sealing performance, only the flow guide sleeve 6 needs to be replaced, the whole stop valve does not need to be replaced, and the use cost is saved.
In the present invention, the stability of the vertical movement of the valve plate 24 can be improved by the engagement of the guide hole 5 and the guide rod 25.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a high temperature high pressure stop valve of high leakproofness which characterized in that: comprises a valve body (1), a water inlet flow passage (2) and a water outlet flow passage (3) are respectively arranged at two ends of the valve body (1), a mounting hole (4) is arranged at the top of the valve body (1), the water outlet flow passage (3) is communicated with the water inlet flow passage (2) through the mounting hole (4), a flow guide sleeve (6) is arranged in the mounting hole (4), the flow guide sleeve (6) is hermetically connected with the mounting hole (4) through two first sealing rings (11), a side opening (7) is arranged on the side wall of the flow guide sleeve (6), the side opening (7) is communicated with the water outlet flow passage (3), the two first sealing rings (11) are symmetrically distributed at two sides of the side opening (7), the bottom opening of the flow guide sleeve (6) is communicated with the water inlet flow passage (2), a sealing conical opening (8) is arranged at the bottom opening of the flow guide sleeve (6), and a valve cover (13) is fixedly connected with the top of the valve body (1) through bolts, the bottom of valve gap (13) compresses tightly water conservancy diversion cover (6) in mounting hole (4), the activity runs through on valve gap (13) is provided with valve rod (20), fixedly connected with valve plate (24) behind water conservancy diversion cover (6) is passed to the bottom of valve rod (20), the top of valve plate (24) is located the outside fixedly connected with toper sealing block (21) of valve rod (20), toper sealing block (21) and sealed awl mouth (8) looks adaptation, the top of valve plate (24) is located the outside fixedly connected with second of toper sealing block (21) and seals up pad (22), the sealed pad (22) of second is with the bottom looks adaptation of water conservancy diversion cover (6), top cap (17), pressure cover (16), sealing filler (15) have been cup jointed in the activity on valve rod (20), top cap (17) and valve gap (13) are through screw thread fixed connection, the outer wall of valve rod (20) has cup jointed nut (18) through screw thread fit, the nut (18) is fixedly connected with the top of the top cover (17), and the top end of the valve rod (20) is fixedly connected with a hand wheel (19).
2. A high-tightness high-temperature high-pressure stop valve according to claim 1, characterized in that: the bottom end of the pressing sleeve (16) presses the sealing filler (15) in the valve cover (13), and the top end of the pressing sleeve (16) is fixedly connected with the inner wall of the top cover (17).
3. A high-tightness high-temperature high-pressure stop valve according to claim 1, characterized in that: the top of water conservancy diversion cover (6) is provided with first sealed pad (12), the top surface of first sealed pad (12) closely laminates with the bottom of valve gap (13).
4. A high-tightness high-temperature high-pressure stop valve according to claim 3, characterized in that: the top fixedly connected with a plurality of locating pins (10) of water conservancy diversion cover (6), locating hole (14) have been seted up with the department that corresponds of locating pin (10) to the bottom of valve gap (13), the top of locating pin (10) is located corresponding locating hole (14) after running through first sealed pad (12).
5. A high-tightness high-temperature high-pressure stop valve according to claim 1, characterized in that: a plurality of annular seal grooves (9) concentric with sealed awl mouth (8) have been seted up to the bottom surface of water conservancy diversion cover (6), the top integrated into one piece of second sealed pad (22) has a plurality of second sealing washer (23) concentric with toper sealing block (21), second sealing washer (23) and annular seal groove (9) one-to-one.
6. A high-tightness high-temperature high-pressure stop valve according to claim 1, characterized in that: the bottom fixedly connected with guide bar (25) of valve plate (24), guiding hole (5) have been seted up with the department that corresponds of guide bar (25) to the inner wall of inlet channel (2), the bottom of guide bar (25) is located guiding hole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121790481.2U CN216555372U (en) | 2021-08-03 | 2021-08-03 | High-temperature and high-pressure stop valve with high sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121790481.2U CN216555372U (en) | 2021-08-03 | 2021-08-03 | High-temperature and high-pressure stop valve with high sealing performance |
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| Publication Number | Publication Date |
|---|---|
| CN216555372U true CN216555372U (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121790481.2U Active CN216555372U (en) | 2021-08-03 | 2021-08-03 | High-temperature and high-pressure stop valve with high sealing performance |
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| CN (1) | CN216555372U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776250A (en) * | 2022-06-01 | 2022-07-22 | 濮阳市恒信橡塑有限公司 | Sealing structure of rubber sealing element for oil field drilling |
-
2021
- 2021-08-03 CN CN202121790481.2U patent/CN216555372U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776250A (en) * | 2022-06-01 | 2022-07-22 | 濮阳市恒信橡塑有限公司 | Sealing structure of rubber sealing element for oil field drilling |
| CN114776250B (en) * | 2022-06-01 | 2024-05-24 | 濮阳市恒信橡塑有限公司 | Sealing structure of rubber sealing element for oilfield drilling |
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