CN216923247U - Water pipe high-temperature stop valve - Google Patents
Water pipe high-temperature stop valve Download PDFInfo
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- CN216923247U CN216923247U CN202220704676.9U CN202220704676U CN216923247U CN 216923247 U CN216923247 U CN 216923247U CN 202220704676 U CN202220704676 U CN 202220704676U CN 216923247 U CN216923247 U CN 216923247U
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- water pipe
- stop valve
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Abstract
The utility model relates to the technical field of stop valve devices, and discloses a water pipe high-temperature stop valve which comprises a valve body, wherein a sealing seat is fixedly connected to the inner side of the valve body, the middle part of the upper end of the valve body is fixedly connected to the lower end of a connecting seat, a limiting mechanism is arranged at the upper end of the connecting seat, the limiting mechanism comprises a valve seat, and a second threaded hole is formed in the middle part of the upper end of the valve seat. When the medium in the pipeline is stopped and sealed through the stop valve, the hand wheel is rotated to drive the valve rod to rotate, the valve rod rotates in the first threaded hole to drive the movable seat to move downwards, the sliding strip is driven to move in the sliding groove, and when the valve clack is in contact with the sealing seat to seal and block the medium in the valve body, the spring seat on the movable seat enters the fixed hole to limit and fix the valve rod and the valve clack, so that the valve rod and the valve clack are prevented from being damaged due to overlarge medium pressure, and the service life of the stop valve is prolonged.
Description
Technical Field
The utility model relates to the technical field of stop valve devices, in particular to a water pipe high-temperature stop valve.
Background
The stop valve is also called stop valve, belonging to forced sealing type valve, so when the valve is closed, it must apply pressure to valve clack to force sealing surface not to leak, when the medium is fed into the valve from below the valve clack, the resistance force which must be overcome by operation force is the friction force of valve stem and packing material and the thrust force produced by pressure of medium, the force for closing the valve is greater than the force for opening the valve, so the diameter of valve stem is greater, otherwise the failure of stem top bending can occur.
Thereby stop valve need rotate the position that operation hand wheel adjusted valve clack when using and reach control flow's purpose, after finishing to flow control, the hand wheel no longer rotates, but thereby medium pressure can arouse the displacement of valve clack to the impact of valve clack and cause revealing of the inside medium of valve body, the impact of medium to valve rod and valve clack can lead to valve rod and valve clack to take place to drop simultaneously, thereby arouse the damage of stop valve, reduce the life of stop valve, it is more inconvenient to use, so need improve.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a water pipe high-temperature stop valve which can prevent a valve rod and a valve clack from being damaged by overlarge medium pressure by limiting and fixing the valve rod and the valve clack by allowing a spring seat on a movable seat to enter a fixed hole, so that the use stability of the stop valve is improved.
In order to achieve the purpose, the utility model provides the following technical scheme: a water pipe high-temperature stop valve comprises a valve body, wherein a sealing seat is fixedly connected to the inner side of the valve body, the middle part of the upper end of the valve body is fixedly connected to the lower end of a connecting seat, and a limiting mechanism is arranged at the upper end of the connecting seat;
the limiting mechanism comprises a valve seat, a second threaded hole is formed in the middle of the upper end of the valve seat, fixing holes are formed in the middle lower portions of the left side and the right side of the valve seat, sliding grooves are formed in the middle portions of the front end and the rear end of the inner wall of the valve seat, sliding strips are connected in the sliding grooves in a sliding mode, one sides, adjacent to the sliding strips, are fixedly connected to the middle portions of the front end and the rear end of a moving seat respectively, spring seats are arranged in the middle portions of the left side and the right side of the moving seat respectively, a first threaded hole is longitudinally formed in the middle of the moving seat, a valve rod is connected to the first threaded hole in a threaded mode, the upper end of the valve rod penetrates through the second threaded hole and extends outwards, a hand wheel is fixedly connected to the upper end of the valve rod, and the lower end of the valve rod is fixedly connected to the middle portion of the upper end of the valve clack;
through above-mentioned technical scheme, when closing through the stop valve medium in to the pipeline, drive the valve rod through rotating the hand wheel and rotate, the valve rod rotates in first threaded hole and drives and remove the seat and carry out the downstream, it moves in the spout to drive the draw runner simultaneously, when the valve clack seals the time of blocking with the medium in the valve body with the seal receptacle contact, it goes into the fixed orifices and carries out spacing fixed with valve rod and valve clack to remove the seat spring holder on and get into, prevent that medium pressure from damaging valve rod and valve clack excessively, the life of extension stop valve.
Furthermore, a filler is arranged in the connecting seat;
through above-mentioned technical scheme, seal the junction between inside and the disk seat of valve body through the filler, prevent that the medium in the valve body from taking place to leak.
Furthermore, the left end and the right end of the valve body are both fixedly connected with connecting flanges;
through the technical scheme, the valve body is convenient to connect the connecting pipeline through the connecting flange.
Furthermore, the cross sections of the sliding strip and the sliding groove are both T-shaped;
through above-mentioned technical scheme, the draw runner through the T type slides in the spout of T type, and it is more stable to slide, and the draw runner is difficult for coming off in the spout when sliding.
Furthermore, the valve body and the valve seat are both integrally formed steel castings;
through above-mentioned technical scheme, valve body and disk seat all adopt integrated into one piece steel casting, and when whole stop valve structural strength was higher, integrated into one piece steel casting sealed effect was better, and difficult emergence is leaked.
Furthermore, the valve clack is made of integral alloy;
through above-mentioned technical scheme, whole alloy high temperature resistance can be good, and structural strength is higher, and wearability, anti scotch nature are higher simultaneously, are difficult for taking place to leak when carrying out contact seal with the seal receptacle.
Furthermore, the upper end of the connecting seat is fixedly connected to the middle part of the lower end of the valve seat;
through above-mentioned technical scheme, connect valve body and disk seat through the connecting seat.
The utility model has the following beneficial effects:
when the medium in the pipeline is stopped and sealed through the stop valve, the hand wheel is rotated to drive the valve rod to rotate, the valve rod rotates in the first threaded hole to drive the movable seat to move downwards, the sliding strip is driven to move in the sliding groove, and when the valve clack is in contact with the sealing seat to seal and block the medium in the valve body, the spring seat on the movable seat enters the fixed hole to limit and fix the valve rod and the valve clack, so that the valve rod and the valve clack are prevented from being damaged due to overlarge medium pressure, and the service life of the stop valve is prolonged.
Drawings
FIG. 1 is an overall structural view of a water pipe high-temperature stop valve according to the present invention;
FIG. 2 is a sectional view of the internal structure of the valve body and the valve seat of the high-temperature stop valve for a water pipe according to the present invention;
fig. 3 is a structural view of a movable seat of a high-temperature stop valve for a water pipe according to the present invention.
Illustration of the drawings:
1. a valve body; 2. a connecting flange; 3. a limiting mechanism; 301. a fixing hole; 302. a first threaded hole; 303. a valve stem; 304. a hand wheel; 305. a second threaded hole; 306. a valve seat; 307. a valve clack; 308. a chute; 309. a spring seat; 310. a slide bar; 311. a movable seat; 4. a connecting seat; 5. a sealing seat; 6. and (4) filling materials.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, one embodiment of the present invention is provided: a water pipe high-temperature stop valve comprises a valve body 1, wherein a sealing seat 5 is fixedly connected to the inner side of the valve body 1, the middle part of the upper end of the valve body 1 is fixedly connected to the lower end of a connecting seat 4, and a limiting mechanism 3 is arranged at the upper end of the connecting seat 4;
the limiting mechanism 3 comprises a valve seat 306, a second threaded hole 305 is formed in the middle of the upper end of the valve seat 306, fixing holes 301 are formed in the middle lower portions of the left side and the right side of the valve seat 306, sliding grooves 308 are formed in the middle of the front end and the rear end of the inner wall of the valve seat 306, sliding strips 310 are connected in the sliding grooves 308 in a sliding mode, one adjacent side of each sliding strip 310 is fixedly connected to the middle of the front end and the rear end of a movable seat 311 respectively, spring seats 309 are arranged in the middle of the left side and the right side of the movable seat 311, a first threaded hole 302 is longitudinally formed in the middle of the movable seat 311, a valve rod 303 is connected to the first threaded hole 302 in a threaded mode, the upper end of the valve rod 303 penetrates through the second threaded hole 305 and extends outwards, a hand wheel 304 is fixedly connected to the upper end of the valve rod 303, the lower end of the valve rod 303 is fixedly connected to the middle of the upper end of a valve flap 307, when the medium in the pipeline is cut-off and sealed through the hand wheel 304, the valve rod 303, the hand wheel is driven to rotate, the valve rod 303 rotates in the first threaded hole 302 to drive the movable seat 311 to move downwards, drive draw runner 310 simultaneously and remove in spout 308, when valve clack 307 and seal receptacle 5 contacted the medium in the valve body 1 and seal and block, move seat 311 and go up spring holder 309 and get into in the fixed orifices 301 and carry out spacing fixed with valve rod 303 and valve clack 307, prevent that medium pressure from too big damaging valve rod 303 and valve clack 307, the life of extension stop valve, conveniently use when high temperature water piping connection.
The connecting seat 4 is internally provided with a filler 6, the connecting part between the inside of the valve body 1 and the valve seat 306 is sealed by the filler 6 to prevent a medium in the valve body 1 from leaking, the left end and the right end of the valve body 1 are fixedly connected with the connecting flange 2, the valve body 1 is convenient to connect a connecting pipeline through the connecting flange 2, the cross sections of the sliding strip 310 and the sliding groove 308 are both in a T shape, the sliding strip 310 slides in the T-shaped sliding groove 308 through the T-shaped sliding strip 310, the sliding is more stable, the sliding strip 310 is not easy to fall off from the sliding groove 308 when sliding, the valve body 1 and the valve seat 306 both adopt an integrally formed steel casting, when the structural strength of the integral stop valve is higher, the integrally formed steel casting has a better sealing effect, the leakage is not easy to occur, the valve clack 307 is made of integral alloy, the integral alloy has good high temperature resistance and higher structural strength, simultaneously wearability, anti scotch nature are higher, are difficult for taking place to leak when contacting sealedly with seal receptacle 5, and the upper end fixed connection of connecting seat 4 is in the lower extreme middle part of disk seat 306, conveniently connects valve body 1 and disk seat 306 through connecting seat 4.
The working principle is as follows: when closing through the stop valve to medium in the pipeline, drive the valve rod 303 through rotating hand wheel 304 and rotate, valve rod 303 rotates in first screw hole 302 and drives and move seat 311 and move down, drive draw runner 310 simultaneously and move in spout 308, when valve clack 307 contacts with seal receptacle 5 and seals the medium in the valve body 1 and block, move seat 311 and go up spring holder 309 and get into fixed orifices 301 and carry out spacing fixed with valve rod 303 and valve clack 307, prevent that medium pressure is too big to damage valve rod 303 and valve clack 307, the life of extension stop valve, when needs connecting the inside medium of pipeline, can rotate hand wheel 304 valve rod 303 and valve clack 307 and rise through pressing spring holder 309 simultaneously and making it reset, the medium communicates in the geminate transistor.
Finally, it should be noted that: 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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a water pipe high temperature stop valve, includes valve body (1), its characterized in that: a sealing seat (5) is fixedly connected to the inner side of the valve body (1), the middle part of the upper end of the valve body (1) is fixedly connected to the lower end of the connecting seat (4), and a limiting mechanism (3) is arranged at the upper end of the connecting seat (4);
the limiting mechanism (3) comprises a valve seat (306), a second threaded hole (305) is formed in the middle of the upper end of the valve seat (306), fixing holes (301) are formed in the middle lower portions of the left side and the right side of the valve seat (306), sliding grooves (308) are formed in the middle of the front end and the rear end of the inner wall of the valve seat (306), sliding strips (310) are connected in the sliding grooves (308) in a sliding mode, one adjacent side of each sliding strip (310) is fixedly connected to the middle of the front end and the rear end of a movable seat (311) respectively, spring seats (309) are arranged in the middle of the left side and the right side of the movable seat (311), a first threaded hole (302) is longitudinally formed in the middle of the movable seat (311), a valve rod (303) is connected to the first threaded hole (302) in an internal thread mode, the upper end of the valve rod (303) penetrates through the second threaded hole (305) and extends outwards, and a hand wheel (304) is fixedly connected to the upper end of the valve rod (303), the lower end of the valve rod (303) is fixedly connected to the middle part of the upper end of the valve clack (307).
2. The high-temperature stop valve for the water pipe as claimed in claim 1, wherein: and a filler (6) is arranged in the connecting seat (4).
3. The high-temperature stop valve for the water pipe as claimed in claim 1, wherein: the left end and the right end of the valve body (1) are fixedly connected with connecting flanges (2).
4. The high-temperature stop valve for the water pipe as claimed in claim 1, wherein: the cross sections of the sliding strip (310) and the sliding groove (308) are both T-shaped.
5. The high-temperature stop valve for the water pipe as claimed in claim 1, wherein: the valve body (1) and the valve seat (306) are both made of integrally formed steel castings.
6. The high-temperature stop valve for the water pipe as claimed in claim 1, wherein: the valve flap (307) is made of integral alloy.
7. The high-temperature stop valve for the water pipe as claimed in claim 1, wherein: the upper end of the connecting seat (4) is fixedly connected to the middle part of the lower end of the valve seat (306).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220704676.9U CN216923247U (en) | 2022-03-29 | 2022-03-29 | Water pipe high-temperature stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220704676.9U CN216923247U (en) | 2022-03-29 | 2022-03-29 | Water pipe high-temperature stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216923247U true CN216923247U (en) | 2022-07-08 |
Family
ID=82229757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220704676.9U Active CN216923247U (en) | 2022-03-29 | 2022-03-29 | Water pipe high-temperature stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216923247U (en) |
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2022
- 2022-03-29 CN CN202220704676.9U patent/CN216923247U/en active Active
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