CN216447442U - Novel metal sealing stop valve - Google Patents
Novel metal sealing stop valve Download PDFInfo
- Publication number
- CN216447442U CN216447442U CN202122871068.5U CN202122871068U CN216447442U CN 216447442 U CN216447442 U CN 216447442U CN 202122871068 U CN202122871068 U CN 202122871068U CN 216447442 U CN216447442 U CN 216447442U
- Authority
- CN
- China
- Prior art keywords
- valve
- fixed
- cover
- rod
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to the technical field of valves and discloses a novel metal sealing stop valve which comprises a valve body, a valve cover, a valve rod, a water outlet cavity, a water inlet cavity and a valve clack, wherein the water outlet cavity and the water inlet cavity are arranged inside the valve body, the top of the valve body is fixed with the valve cover, the valve rod capable of moving vertically is inserted into the top of the valve cover, the valve clack is fixed at the bottom of the valve rod, an internal thread piece is fixed inside the valve cover and the valve body and is connected with the external thread of the valve rod, a hollow cylinder which is located inside the water outlet cavity, extends into the water inlet cavity and penetrates through the bottom of the valve body is fixed inside the valve body, and a detachable fixing cover is fixed at the bottom of the hollow cylinder. This novel metal seal stop valve, the pressure that increases when will seal divide into the multistage, makes pressure increase more mild, avoids pressure acceleration rate too big, makes things convenient for operating personnel perception closure degree simultaneously, and the operating personnel of being more convenient for operates and uses.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a novel metal sealing stop valve.
Background
The stop valve has a plug-shaped valve clack with a plane or sea cone surface on the sealing surface, the valve clack moves linearly along the central line of the valve seat, and the valve rod also has a lifting rotary rod type which can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.
Current metal seal stop valve, when closing, closing pressure is less in earlier stage, and closing in-process rivers pressure variation is too fast, can make operating personnel have short-lived inadaptation, and the operation travelling comfort is lower, so has proposed a novel metal seal stop valve and has solved the problem that the aforesaid was proposed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel metal sealing stop valve to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a novel metal sealing stop valve comprises a valve body, a valve cover, a valve rod, a water outlet cavity, a water inlet cavity and a valve clack, wherein the water outlet cavity and the water inlet cavity are arranged inside the valve body, the top of the valve body is fixed with the valve cover, the valve rod capable of moving vertically is inserted into the top of the valve cover, the valve clack is fixed at the bottom of the valve rod, an internal thread part is fixed inside the valve cover and the valve body, the internal thread part is in threaded connection with the outside of the valve rod, a hollow cylinder which is positioned inside the water outlet cavity, extends into the water inlet cavity and penetrates through the bottom of the valve body is fixed inside the valve body, a detachable fixing cover is fixed at the bottom of the hollow cylinder, a plurality of through holes which are distributed radially are arranged outside the top end of the hollow cylinder, through holes communicated with the water inlet cavity are arranged outside the hollow cylinder, a sealing seat which is positioned below the through holes and above the through holes is fixed inside the hollow cylinder, the diameter of the valve clack is smaller than the inner diameter of the hollow cylinder and is positioned on the same straight line with the hollow cylinder.
The utility model has the beneficial effects that:
the novel metal sealing stop valve drives the valve clack to move by rotating the valve rod to enable the valve rod to vertically move in cooperation with the internal thread piece so as to drive the valve clack to move, so that the valve can be opened and closed, when the valve is opened, fluid enters the water inlet cavity and enters the hollow cylinder through the through hole and then enters the water outlet cavity through the top of the hollow cylinder and the through hole, when the flow needs to be adjusted or closed, the valve clack moves downwards, the top of the hollow cylinder is firstly blocked, the pressure is firstly increased, meanwhile, the fluid only can enter the water outlet cavity through the through hole, the flow of the fluid is reduced, the valve clack continuously moves downwards to gradually block the through hole, the pressure is gradually increased, the flow of the fluid is reduced, after the through hole is completely blocked, the fluid only can flow through the gap between the valve clack and the inner wall of the hollow cylinder until the valve clack is completely contacted with the sealing seat, the fluid is completely blocked, when the water inlet pipeline needs to be overhauled, can directly open fixed lid, remain liquid in the messenger pipeline and pass through intake antrum and the outside discharge of cavity section of thick bamboo, this stop valve stable in structure is reasonable, and the pressure that increases when will sealing divide into the multistage, makes pressure increase more gentle, avoids the pressure acceleration rate too big, makes things convenient for operating personnel perception closed degree simultaneously, and the operating personnel of being more convenient for operates and uses.
As a still further scheme of the utility model: and sealing rings are embedded in the valve cover and the valve body, and are respectively contacted with the top and the bottom of the internal thread part.
Adopt above-mentioned further scheme's beneficial effect is, two sealing washers that set up can guarantee that the junction of valve rod and valve body and internal thread spare is effectively sealed, avoid liquid outwards to flow.
As a still further scheme of the utility model: the valve rod comprises a connecting rod, a hand wheel and a screw rod, the screw rod is in threaded connection with the internal thread piece, the connecting rod is located at the top of the screw rod and is in sliding connection with the valve cover in a sealing mode, the top of the connecting rod is fixed with the hand wheel, and the bottom of the screw rod is fixed with the valve clack.
Adopt above-mentioned further scheme's beneficial effect to be, rotating the hand wheel and can making connecting rod and screw rod rotatory, the screw rod can carry out vertical removal under the screw thread effect, and the outside of connecting rod is used for sealing with the valve gap.
As a still further scheme of the utility model: the bottom of the hollow cylinder is fixed with a flange plate, and the flange plate is fixedly connected with the fixed cover through bolts distributed in an annular mode.
Adopt above-mentioned further scheme's beneficial effect be, the ring flange that sets up can make fixed lid fix and installation operation through the bolt.
As a still further scheme of the utility model: the top of valve gap is fixed with the outside sealed lid of cover locating valve rod, the left and right sides of valve body all is provided with the flange.
The beneficial effect who adopts above-mentioned further scheme is that, the flange that the valve body both ends set up is arranged in connecting into the pipeline, and the sealing performance of valve rod and valve gap can be guaranteed to the sealed lid that sets up.
As a still further scheme of the utility model: the number of the through holes is four, and the through holes are distributed in an annular equal angle mode.
As a still further scheme of the utility model: the bottom outside of valve clack is round platform form setting, the inside looks adaptation of valve clack and seal receptacle.
Drawings
FIG. 1 is a schematic structural diagram of a novel metal sealing stop valve;
FIG. 2 is a schematic structural diagram of a valve rod in the novel metal sealing stop valve;
FIG. 3 is a front view of a novel metal seal shut-off valve;
fig. 4 is a schematic structural diagram of a hollow cylinder in the novel metal sealing stop valve.
In the figure: 1. a valve body; 2. a valve cover; 3. a valve stem; 31. a connecting rod; 32. a hand wheel; 33. a screw; 4. a water outlet cavity; 5. a water inlet cavity; 6. a valve flap; 7. an internal threaded member; 8. a hollow cylinder; 9. a fixed cover; 10. a sealing seat; 11. a through hole; 12. and (6) a port.
Detailed Description
Referring to fig. 1 to 4, in the embodiment of the present invention, a novel metal sealing stop valve comprises a valve body 1, a valve cover 2, a valve rod 3, a water outlet cavity 4, a water inlet cavity 5 and a valve flap 6, wherein the water outlet cavity 4 and the water inlet cavity 5 are arranged inside the valve body 1, the top of the valve body 1 is fixed with the valve cover 2, the valve rod 3 capable of moving vertically is inserted into the top of the valve cover 2, the valve flap 6 is fixed at the bottom of the valve rod 3, an internal thread member 7 is fixed inside the valve cover 2 and the valve body 1, the internal thread member 7 is in threaded connection with the outside of the valve rod 3, a hollow cylinder 8 is fixed inside the valve body 1 and is located inside the water outlet cavity 4 and extends into the water inlet cavity 5 and penetrates through the bottom of the valve body 1, a detachable fixing cover 9 is fixed at the bottom of the hollow cylinder 8, a radial through hole 11 is arranged outside the top of the hollow cylinder 8, a through hole 12 communicated with the water inlet cavity 5 is arranged outside of the hollow cylinder 8, a sealing seat 10 is fixed inside the hollow cylinder 8 and is located below the through hole 11 and above the through hole 12, the diameter of the valve clack 6 is smaller than the inner diameter of the hollow cylinder 8 and is positioned on the same straight line with the hollow cylinder 8, sealing rings are embedded in the valve cover 2 and the valve body 1, the two sealing rings are respectively contacted with the top and the bottom of the internal thread piece 7, the two sealing rings can ensure that the connection part of the valve rod 3, the valve body 1 and the internal thread piece 7 can be effectively sealed to avoid liquid flowing outwards, the valve rod 3 comprises a connecting rod 31, a hand wheel 32 and a screw rod 33, the screw rod 33 is in threaded connection with the internal thread piece 7, the connecting rod 31 is positioned at the top of the screw rod 33 and is in sealed sliding connection with the valve cover 2, the top of the connecting rod 31 is fixed with the hand wheel 32, the bottom of the screw rod 33 is fixed with the valve clack 6, the connecting rod 31 and the screw rod 33 can rotate by rotating the hand wheel 32, the screw rod 33 can vertically move under the action of threads, the outer part of the connecting rod 31 is used for sealing with the valve cover 2, and a flange is fixed at the bottom of the hollow cylinder 8, the ring flange passes through the bolt fixed connection that the annular distributes with fixed cover 9, the ring flange of setting can make fixed cover 9 fix and installation operation through the bolt, the outside sealed lid of valve rod 3 is located to the top of valve gap 2 is fixed with the cover, the left and right sides of valve body 1 all is provided with the flange, the flange that the 1 both ends of valve body set up is arranged in connecting into the pipeline, the sealing performance of valve rod 3 and valve gap 2 can be guaranteed to the sealed lid of setting, the quantity of through-hole 11 is four, and angular distribution such as annular, the bottom outside of valve clack 6 is the round platform form and sets up, the inside looks adaptation of valve clack 6 and seal receptacle 10.
The working principle of the utility model is as follows:
the valve rod 3 is rotated to enable the valve rod 3 to be matched with the internal thread piece 7 to vertically move to drive the valve clack 6 to move, so that the valve is opened and closed, when the valve is opened, fluid enters the water inlet cavity 5, enters the hollow cylinder 8 through the through hole 12, enters the water outlet cavity 4 through the top of the hollow cylinder 8 and the through hole 11, when the flow is required to be adjusted or closed, the valve clack 6 moves downwards, the top of the hollow cylinder 8 is firstly blocked, the pressure is firstly increased, meanwhile, the fluid can only enter the water outlet cavity 4 through the through hole 11, the flow of the fluid is reduced, the valve clack 6 moves downwards continuously, the through hole 11 can be gradually blocked, the pressure is gradually increased, the flow of the fluid is reduced, after the through hole 11 is completely blocked, the fluid can only flow through a gap between the valve clack 6 and the inner wall of the hollow cylinder 8 until the valve clack 6 is completely contacted with the sealing seat 10, and the fluid is completely blocked, when the water inlet pipeline needs to be overhauled, the fixing cover 9 can be directly opened, so that residual liquid in the pipeline is discharged outwards through the water inlet cavity 5 and the hollow cylinder 8.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (7)
1. A novel metal sealing stop valve comprises a valve body (1), a valve cover (2), a valve rod (3), a water outlet cavity (4), a water inlet cavity (5) and a valve clack (6), and is characterized in that the water outlet cavity (4) and the water inlet cavity (5) are arranged inside the valve body (1), the top of the valve body (1) is fixed with the valve cover (2), the valve rod (3) capable of moving vertically is inserted into the top of the valve cover (2), the valve clack (6) is fixed at the bottom of the valve rod (3), an internal thread piece (7) is fixed inside the valve cover (2) and the valve body (1), the internal thread piece (7) is in threaded connection with the outside of the valve rod (3), a hollow cylinder (8) which is positioned inside the water outlet cavity (4), extends into the water inlet cavity (5) and penetrates through the bottom of the valve body (1) is fixed inside the hollow cylinder (8), and a detachable fixing cover (9) is fixed at the bottom of the hollow cylinder (8), the top outside of a well cavity section of thick bamboo (8) is provided with quantity through-hole (11) for a plurality of and radial distribution, the outside of a well cavity section of thick bamboo (8) is provided with through-hole (12) with intake antrum (5) intercommunication, the inside of a well cavity section of thick bamboo (8) is fixed with seal receptacle (10) that are located through-hole (11) below and are located through-hole (12) top, the diameter of valve clack (6) is less than the internal diameter of a well cavity section of thick bamboo (8) and is located same straight line with a well cavity section of thick bamboo (8).
2. The novel metal sealing stop valve according to claim 1, characterized in that sealing rings are embedded in the valve cover (2) and the valve body (1), and the two sealing rings are respectively contacted with the top and the bottom of the internal thread member (7).
3. The novel metal sealing stop valve of claim 1, characterized in that, the valve rod (3) comprises a connecting rod (31), a hand wheel (32) and a screw rod (33), the screw rod (33) is in threaded connection with the internal thread piece (7), the connecting rod (31) is positioned at the top of the screw rod (33) and is in sealing sliding connection with the valve cover (2), the top of the connecting rod (31) is fixed with the hand wheel (32), and the bottom of the screw rod (33) is fixed with the valve flap (6).
4. The novel metal sealing stop valve according to claim 1, characterized in that a flange is fixed at the bottom of the hollow cylinder (8), and the flange is fixedly connected with the fixed cover (9) through bolts distributed in an annular shape.
5. The novel metal sealing stop valve according to claim 1, characterized in that a sealing cover sleeved outside the valve rod (3) is fixed on the top of the valve cover (2), and flanges are arranged on the left and right sides of the valve body (1).
6. The new metal sealing stop valve according to claim 1, characterized in that the number of the through holes (11) is four, and the through holes are distributed annularly and at equal angles.
7. The novel metal sealing stop valve of claim 1, characterized in that the bottom end of the valve flap (6) is externally arranged in a truncated cone shape, and the valve flap (6) is matched with the inside of the sealing seat (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122871068.5U CN216447442U (en) | 2021-11-22 | 2021-11-22 | Novel metal sealing stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122871068.5U CN216447442U (en) | 2021-11-22 | 2021-11-22 | Novel metal sealing stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216447442U true CN216447442U (en) | 2022-05-06 |
Family
ID=81353380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122871068.5U Active CN216447442U (en) | 2021-11-22 | 2021-11-22 | Novel metal sealing stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216447442U (en) |
-
2021
- 2021-11-22 CN CN202122871068.5U patent/CN216447442U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206647554U (en) | A kind of quick detachable automatic throttle | |
| CN216447442U (en) | Novel metal sealing stop valve | |
| CN210510348U (en) | Dovetail type hard sealing ball valve body | |
| CN203926925U (en) | Low pressure loss water sealed tank | |
| CN205089986U (en) | Field irrigation choke valve | |
| CN212839464U (en) | Gate valve | |
| CN211315128U (en) | Anti-blocking oil exploitation regulating valve | |
| CN208268485U (en) | One kind preventing adverse current valve body | |
| CN213451767U (en) | Stop valve with double-sealing structure | |
| CN205978483U (en) | Novel no hydrops stop valve | |
| CN209041732U (en) | A kind of oil equipment control valve for preventing from arbitrarily opening | |
| CN112032334A (en) | Marine flange single-inlet double-row stop regulating valve box | |
| CN206802396U (en) | One kind tilts flap check-valves | |
| CN217808930U (en) | Regular back-flushing device for sludge discharge pipe of anaerobic tower | |
| CN210240584U (en) | Butterfly valve | |
| CN210218721U (en) | Butterfly valve convenient to seal and maintain | |
| CN211738086U (en) | Full-bore top-mounted flat-bottom eccentric half-ball valve | |
| CN109210266A (en) | A kind of oil equipment control valve for preventing from arbitrarily opening | |
| CN220102136U (en) | Ball valve | |
| CN217381759U (en) | Check valve control structure of drainage system of hydroelectric power plant | |
| CN213451705U (en) | Combined stainless steel valve | |
| CN219796118U (en) | Sealed wear-resistant control valve for water conservancy and hydropower | |
| CN214305480U (en) | Self-sealing valve cover | |
| CN216200773U (en) | Ball valve with good corrosion resistance | |
| CN220487561U (en) | Marine remote control cyclone desander |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |