CN213479196U - High-pressure hard-sealing light stop valve for ship - Google Patents
High-pressure hard-sealing light stop valve for ship Download PDFInfo
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- CN213479196U CN213479196U CN202022278157.4U CN202022278157U CN213479196U CN 213479196 U CN213479196 U CN 213479196U CN 202022278157 U CN202022278157 U CN 202022278157U CN 213479196 U CN213479196 U CN 213479196U
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Abstract
The marine high-pressure hard-seal portable stop valve is characterized in that a water inlet and a water outlet which are coaxial are symmetrically arranged on two sides of the lower portion of a valve body (1), an inner cavity of the valve body (1) is provided with the water inlet and the water outlet, the middle of the upper end of the valve body (1) is provided with an opening, a seal sleeve (3) is installed in the opening, a middle hole is vertically formed in the middle of the seal sleeve (3), a valve disc (2) is installed in the middle hole, and the lower end; valve rod (6) are connected to valve disc (2) upper end, install valve gap (5) in seal cover (3) upper port, and valve gap (5) bottom installation seal receptacle (4). The sealing ring protective sleeve has double protection, so that the service life of the sealing ring is prolonged; the opening and closing torque of the valve is effectively reduced; the performance is reliable, the installation is convenient, and the operation is simple; the maintainability and the reliability are obviously improved; the size is small, the weight is light, the equipment installation space is saved, and the manufacturing cost is reduced.
Description
Technical Field
The utility model relates to a marine stop valve equipment's institutional advancement technique, especially a marine high pressure seals light stop valve firmly.
Background
At present, the sealing pair of the commonly used stop valve product consists of a valve clack sealing surface and a valve seat sealing surface, and a valve rod drives the valve clack to vertically move along the central line of the valve seat. The stop valve is small in opening height in the opening and closing process, easy to adjust flow, convenient to manufacture and maintain and wide in pressure application range.
In the prior art, the technical standard and requirement of the high-pressure stop valve are high, the high-pressure stop valve has certain technical difficulty in processing and manufacturing, and a high-pressure valve is usually adopted on a high-pressure compressed air system of a ship system, so that the leakage rate of part of products is serious, the pressure is unstable, and the normal use of the compressed air system is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a marine high pressure light stop valve that seals firmly solves above technical problem.
The purpose of the utility model is realized by the following technical measures: a high-pressure hard-seal light stop valve for a ship is characterized in that a water inlet and a water outlet which are coaxial are symmetrically arranged on two sides of the lower portion of a valve body, an inner cavity of the valve body, the water inlet and the water outlet are arranged, an opening is formed in the middle of the upper end of the valve body, a seal sleeve is installed in the opening, a middle hole is vertically formed in the middle of the seal sleeve, a valve disc is installed in the middle; the upper end of the valve disc is connected with a valve rod, a valve cover is arranged in the upper port of the sealing sleeve, and a sealing seat is arranged at the bottom end of the valve cover.
In particular, the axes of the water inlet and the water outlet are provided with a raised inner water opening in the inner cavity of the valve body, the inner water opening is communicated with the water outlet, and the lower end of the valve disc is seated on the inner water opening.
Particularly, at least two sealing rings are arranged between the inner wall of the middle hole of the sealing sleeve and the outer wall of the middle section of the valve disc.
Particularly, at least one sealing ring is arranged between the outer wall of the sealing sleeve and the inner wall of the opening at the middle part of the upper end of the valve body.
Particularly, the contact surface of the valve disc and the sealing sleeve is provided with at least one necking ring platform from top to bottom.
In particular, a coupling is connected between the valve disc and the valve stem.
In particular, the upper end of the valve rod is connected with a hand wheel.
In particular, the top of the outer wall of the sealing sleeve is provided with a keyhole.
In particular, the valve disk is rod-shaped and has a central hole in the axial middle, which is open at the lower end of the valve disk.
The utility model discloses an advantage and effect:
1) the sealing ring protective sleeve has double protection, so that the service life of the sealing ring is prolonged;
2) the opening and closing torque of the valve is effectively reduced;
3) the performance is reliable, the installation is convenient, and the operation is simple; the maintainability and the reliability are obviously improved;
4) the size is small, the weight is light, the equipment installation space is saved, and the manufacturing cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
The reference numerals include:
1-valve body, 2-valve disc, 3-sealing sleeve, 4-sealing seat, 5-valve cover, 6-valve rod and 7-handwheel.
Detailed Description
The principle of the utility model lies in that the assembly structure is improved, the sealing surface of the valve rod is sealed by a taper line, and the movable sealing part is sealed by an O-shaped ring; the gland nut is used for compressing the packing gland, so that the tightness of the packing can be conveniently adjusted. The hand wheel 7 is matched with a driving device, so that the valve is compact in structure and convenient to operate.
The utility model discloses in, combine material lectotype, sealed face build-up welding technology, machining technology, process inspection and product test technique, further promote valve body price/performance ratio and reliability, can extensively be fit for the use of current boats and ships.
The utility model discloses a: valve body 1, valve disc 2, seal cover 3, seal receptacle 4, valve gap 5 and valve rod 6.
The present invention will be further explained with reference to the drawings and examples.
Example 1: as shown in the attached figure 1, the marine high-pressure hard-seal portable stop valve is characterized in that a water inlet and a water outlet which are coaxial are symmetrically arranged on two sides of the lower portion of a valve body 1, an inner cavity of the valve body 1, the water inlet and the water outlet are arranged, meanwhile, the middle portion of the upper end of the valve body 1 is provided with an opening, a seal sleeve 3 is arranged in the opening, a middle hole is vertically formed in the middle of the seal sleeve 3, a valve disc 2 is arranged in the middle hole; the upper end of the valve disc 2 is connected with a valve rod 6, a valve cover 5 is arranged in the upper port of the sealing sleeve 3, and a sealing seat 4 is arranged at the bottom end of the valve cover 5.
In the foregoing, in the inner cavity of the valve body 1, the axes of the water inlet and the water outlet are provided with protruded inner water ports, the inner water ports are communicated with the water outlet, and the lower end of the valve disc 2 is seated on the inner water ports.
In the foregoing, at least two sealing rings are arranged between the inner wall of the middle hole of the sealing sleeve 3 and the outer wall of the middle section of the valve disc 2.
In the aforesaid, set up one at least sealing washer between 3 outer walls of seal cover and the opening inner wall in the middle part of the upper end of valve body 1.
In the foregoing, the contact surface between the valve disc 2 and the sealing sleeve 3 has at least one necking ring platform from top to bottom.
In the foregoing, a coupling is connected between the valve disc 2 and the valve stem 6.
In the foregoing, the upper end of the valve rod 6 is connected with the hand wheel 7.
In the foregoing, the top of the outer wall of the sealing sleeve 3 is provided with a keyhole.
In the foregoing, the valve disk 2 has a rod shape with a central hole in the axial middle thereof, which is open at the lower end of the valve disk 2.
The embodiment of the utility model provides an in, the sealed face of valve body adopts high strength carbide build-up welding and precision finishing, and the valve body is formed for stainless steel material forging. All parts are precisely machined by a numerically controlled lathe, and different parts in internal threaded connection are respectively made of austenitic stainless steel and martensitic stainless steel, so that the phenomenon of seizure of stainless steel parts is avoided.
Claims (9)
1. The marine high-pressure hard-seal portable stop valve comprises a valve body (1), a valve disc (2), a seal sleeve (3), a seal seat (4), a valve cover (5) and a valve rod (6); the water-saving valve is characterized in that a water inlet and a water outlet which are coaxial are symmetrically arranged on two sides of the lower part of the valve body (1), an inner cavity of the valve body (1) is provided with the water inlet and the water outlet, meanwhile, the middle part of the upper end of the valve body (1) is provided with an opening, a sealing sleeve (3) is arranged in the opening, a middle hole is vertically formed in the middle of the sealing sleeve (3) and is provided with a valve disc (2), and the lower end of the valve disc; valve rod (6) are connected to valve disc (2) upper end, install valve gap (5) in seal cover (3) upper port, and valve gap (5) bottom installation seal receptacle (4).
2. Marine high-pressure hard-sealing portable stop valve according to claim 1, characterized in that in the inner cavity of the valve body (1), the axes of the water inlet and the water outlet are provided with a protruded inner water opening, the inner water opening is communicated with the water outlet, and the lower end of the valve disc (2) is seated on the inner water opening.
3. The marine high-pressure hard-seal portable stop valve as claimed in claim 1, characterized in that at least two sealing rings are arranged between the inner wall of the middle hole of the sealing sleeve (3) and the outer wall of the middle section of the valve disc (2).
4. The marine high-pressure hard-seal portable stop valve as claimed in claim 1, characterized in that at least one sealing ring is arranged between the outer wall of the sealing sleeve (3) and the inner wall of the opening at the middle part of the upper end of the valve body (1).
5. The marine high-pressure hard-seal portable stop valve as claimed in claim 1, characterized in that the contact surface of the valve disc (2) and the sealing sleeve (3) is at least provided with a necking ring platform from top to bottom.
6. The marine high-pressure hard-sealing portable stop valve as claimed in claim 1, wherein the upper end of the valve rod (6) is connected with a hand wheel (7).
7. Marine high-pressure hard-sealing portable stop valve according to claim 1, characterized in that the top of the outer wall of the sealing sleeve (3) is provided with a keyhole.
8. Marine high-pressure hard-seal portable stop valve according to claim 1, characterized in that the valve disc (2) is rod-shaped and has a central hole in the axial middle, and the central hole is open at the lower end of the valve disc (2).
9. Marine high-pressure hard-sealing portable stop valve according to claim 1, characterized in that a coupling is connected between the valve disc (2) and the valve stem (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022278157.4U CN213479196U (en) | 2020-10-13 | 2020-10-13 | High-pressure hard-sealing light stop valve for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022278157.4U CN213479196U (en) | 2020-10-13 | 2020-10-13 | High-pressure hard-sealing light stop valve for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213479196U true CN213479196U (en) | 2021-06-18 |
Family
ID=76367334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022278157.4U Active CN213479196U (en) | 2020-10-13 | 2020-10-13 | High-pressure hard-sealing light stop valve for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213479196U (en) |
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2020
- 2020-10-13 CN CN202022278157.4U patent/CN213479196U/en active Active
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