CN217842736U - Valve clack of needle type natural gas stop valve - Google Patents
Valve clack of needle type natural gas stop valve Download PDFInfo
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- CN217842736U CN217842736U CN202222313138.XU CN202222313138U CN217842736U CN 217842736 U CN217842736 U CN 217842736U CN 202222313138 U CN202222313138 U CN 202222313138U CN 217842736 U CN217842736 U CN 217842736U
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- valve clack
- natural gas
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- stop valve
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Abstract
The utility model discloses a valve clack of a needle type natural gas stop valve, which comprises a valve clack main body, wherein a valve rod is arranged at the top of the valve clack main body, the top of the valve clack main body is fixedly connected with a fixed block, two sides of the fixed block are respectively provided with a sliding groove, and the centers of the two sliding grooves are respectively provided with a guide rod; limiting grooves are formed in the top and the bottom of each sliding groove, limiting blocks are connected to the centers of the two groups of limiting grooves in a sliding mode, springs are fixedly connected to one sides of the two groups of limiting blocks, and a sealing ring is arranged on the top of the valve clack body; the utility model discloses an inherent alloy-layer and wearing layer make the valve clack body have good antifatigue, radioresistance, anti-oxidant, corrosion resisting property to and good processability, still possess higher wear resistance, promoted the life of valve clack body, the cost is reduced, the result of use is better, the practicality is strong.
Description
Technical Field
The utility model relates to a natural gas technical field especially relates to natural gas needle type stop valve clack.
Background
The stop valve, also called as a stop valve, is one of the most widely used valves, and is popular because of small friction force between sealing surfaces in the opening and closing process, relatively durable, small opening height, easy manufacture and convenient maintenance, and is not only suitable for medium and low pressure, but also suitable for high pressure; a needle-shaped stop valve is required to be used in a natural gas pipeline, and a valve clack in the needle-shaped stop valve is a stop part.
At present, the valve rod bottom of the natural gas needle-shaped stop valve is usually set to be a spherical surface, and a T-shaped groove is formed to connect the valve clack and the valve rod, so that after long-term opening and closing use, the stress on a sealing surface is uneven, the abrasion is serious, the sealing effect is poor, the operation is complex during processing, the strength of the valve clack main body is low, the abrasion resistance and the corrosion resistance are low, the use effect is poor, and the practicability is low.
There is therefore a need to provide a natural gas needle stop valve flap to address the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the valve rod bottom of present natural gas aciculiform stop valve sets up to the sphere usually, sets up T type groove again, makes to be connected between valve clack and the valve rod, after long-term the use that opens and shuts, can lead to sealed face atress inhomogeneous, wearing and tearing are serious, and sealed effect is relatively poor, adds man-hour complex operation moreover, and valve clack main part intensity is lower, and the wearability corrosion resistance is relatively weak, and the result of use is relatively poor, and the practicality is weak.
In order to solve the technical problem, the utility model discloses a technical scheme be: providing a valve clack of a needle type natural gas stop valve, wherein the valve clack comprises a valve clack main body, a valve rod is arranged at the top of the valve clack main body, a fixed block is fixedly connected to the top of the valve clack main body, sliding grooves are formed in two sides of the fixed block, and guide rods are arranged in the centers of the two sliding grooves;
two the spacing groove has all been seted up to spout top and bottom, and is two sets of the equal sliding connection in spacing groove center has the stopper, and is two sets of the equal fixedly connected with spring in stopper one side, valve clack main part top is provided with the sealing washer.
The utility model discloses further set up to: the valve clack main part includes the alloy-layer, alloy-layer outer wall fixedly connected with enhancement layer, enhancement layer outer wall fixedly connected with wearing layer.
Through above-mentioned technical scheme, GH4169 superalloy has good antifatigue, radioresistance, anti-oxidant, corrosion resisting property to and good processability, has promoted the life of valve clack main part, and the intensity and the wearability of valve clack main part promote greatly simultaneously, have further promoted the life of valve clack main part, the cost is reduced, and excellent in use effect.
The utility model discloses further set up to: the wear-resistant layer is made of wear-resistant rubber.
Through above-mentioned technical scheme, wear-resisting rubber has better wearability and impact resistance, can play better guard action, and wear-resisting rubber is convenient for install moreover, and the quality is lighter, need not special instrument, has promoted machining efficiency.
The utility model discloses further set up to: the valve rod bottom has seted up the mounting groove, the fixed block is located the mounting groove center.
Through above-mentioned technical scheme, make the fixed block can be through getting into the mounting groove center, make valve rod and valve clack main part installation.
The utility model discloses further set up to: the mounting groove both sides of valve rod have all been seted up the draw-in groove, two the guide bar all is located the draw-in groove center.
Through the technical scheme, the guide rod enters the center of the clamping groove, the fixed connection between the valve clack main body and the valve rod is realized, the installation and the operation are convenient, the processing difficulty is further reduced, and the processing efficiency is improved.
The utility model discloses further set up to: the other ends of the two groups of springs are respectively connected with the side walls of the two groups of limiting grooves.
Through above-mentioned technical scheme, make the guide bar can receive the resilience force realization of spring and reset, and then get into the draw-in groove center, realize the fixed of valve clack main part and valve rod.
The utility model discloses further set up to: the top of the sealing ring is tightly attached to the bottom of the valve rod.
Through above-mentioned technical scheme, make the valve rod possess higher leakproofness with the contact surface of valve clack main part, prevent the wearing and tearing that lead to after long-term the use for sealed effect is poor, causes the natural gas to leak.
The utility model has the advantages as follows:
1. the utility model discloses an alloy-layer and wearing layer that set up make the valve clack body have good antifatigue, radioresistance, anti-oxidant, corrosion resisting property to and good processability, still possess higher wear resistance, promoted the life of valve clack body, the cost is reduced, and excellent in use effect, the practicality is strong.
2. The valve clack has the advantages that the valve clack main body is more convenient to connect with the valve rod through the plurality of the arranged components, the processing difficulty is reduced, the contact surface is a plane, and the sealing ring is arranged, so that the sealing effect is better, the use effect is improved, the application range is wider, and the practicability is stronger;
3. the utility model discloses a wearing layer and the enhancement layer that set up for the intensity and the wearability of valve clack main part promote greatly, and after long-term use, the wearing and tearing of valve clack main part reduce, have promoted the life of valve clack main part, and the cost is reduced, and the result of use is better.
Drawings
FIG. 1 is an external view of the present invention;
FIG. 2 is a schematic structural view of a part of the components of the present invention;
FIG. 3 is a sectional view of the valve flap main body of the present invention;
fig. 4 is a cross-sectional view of a part of the present invention.
In the figure: 1. a valve flap body; 101. an alloy layer; 102. a reinforcing layer; 103. a wear layer; 2. a valve stem; 3. a fixed block; 4. a chute; 5. a guide bar; 6. a limiting groove; 7. a limiting block; 8. a spring; 9. and (5) sealing rings.
Detailed Description
The following description of the preferred embodiments of the present invention will be provided with reference to the accompanying drawings, so that the advantages and features of the present invention can be easily understood by those skilled in the art, and the scope of the present invention can be clearly and clearly defined.
Referring to fig. 1-4, the valve clack of the needle-type natural gas stop valve comprises a valve clack main body 1, wherein a valve rod 2 is arranged at the top of the valve clack main body 1, a fixing block 3 is fixedly connected to the top of the valve clack main body 1, an installation groove is formed in the bottom of the valve rod 2, and the fixing block 3 is located at the center of the installation groove; the fixed block 3 can enter the center of the mounting groove, and the valve rod 2 and the valve clack body 1 are mounted; the two sides of the fixed block 3 are both provided with sliding chutes 4, and the centers of the two sliding chutes 4 are both provided with guide rods 5; clamping grooves are formed in two sides of the mounting groove of the valve rod 2, the two guide rods 5 are located in the centers of the clamping grooves, and the guide rods 5 enter the centers of the clamping grooves, so that the valve clack body 1 and the valve rod 2 are fixedly connected, the mounting operation is convenient, the machining difficulty is further reduced, and the machining efficiency is improved; limiting grooves 6 are formed in the top and the bottom of each sliding groove 4, limiting blocks 7 are connected to the centers of the two groups of limiting grooves 6 in a sliding mode, springs 8 are fixedly connected to one sides of the two groups of limiting blocks 7, and the other ends of the two groups of springs 8 are connected with the side walls of the two groups of limiting grooves 6 respectively; the guide rod 5 can be reset by the resilience force of the spring 8 and then enters the center of the clamping groove, so that the valve clack body 1 and the valve rod 2 are fixed; the top of the valve clack body 1 is provided with a sealing ring 9; the top of the sealing ring 9 is tightly attached to the bottom of the valve rod 2; the contact surface of the valve rod 2 and the valve clack body 1 has higher sealing performance, so that abrasion caused by long-term use is prevented, the sealing effect is poor, and natural gas leakage is caused;
as shown in fig. 3, the valve flap main body 1 comprises an alloy layer 101, a reinforcing layer 102 is fixedly connected to the outer wall of the alloy layer 101, and a wear-resistant layer 103 is fixedly connected to the outer wall of the reinforcing layer 102; the alloy layer 101 is made of GH4169 high-temperature alloy, and the wear-resistant layer 103 is made of wear-resistant rubber; the GH4169 high-temperature alloy has good fatigue resistance, radiation resistance, oxidation resistance, corrosion resistance and processability, the service life of the valve clack main body 1 is prolonged, the wear-resistant rubber has good wear resistance and impact resistance and can play a better protection role, the wear-resistant rubber is convenient to install, the weight is light, no special tool is needed, and the processing efficiency is improved; the strength and the wear resistance of the valve clack main body 1 are greatly improved, the service life of the valve clack main body 1 is further prolonged, the cost is reduced, and the using effect is good.
The utility model discloses when using, add man-hour, two guide bars 5 are pressed to the manual work, make guide bar 5 get into spout 4 center, spring 8 is compressed, stopper 7 plays limiting displacement to it, stretch into valve rod 2's mounting groove center with fixed block 3 afterwards, owing to receive spring 8's resilience force, guide bar 5 resets, get into the draw-in groove center, it is fixed with valve clack main part 1 and valve rod 2, and convenient operation is cutting off the messenger, wearing layer 103 contacts with the valve body at first, valve clack main part 1 has been protected, and service life is prolonged.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. Natural gas needle type stop valve clack, including valve clack main part (1), its characterized in that: a valve rod (2) is arranged at the top of the valve clack main body (1), a fixed block (3) is fixedly connected to the top of the valve clack main body (1), sliding grooves (4) are formed in two sides of the fixed block (3), and guide rods (5) are arranged at the centers of the two sliding grooves (4);
two spacing groove (6) have all been seted up to spout (4) top and bottom, and are two sets of equal sliding connection in spacing groove (6) center has stopper (7), and is two sets of equal fixedly connected with spring (8) in stopper (7) one side, valve clack main part (1) top is provided with sealing washer (9).
2. The natural gas needle stop valve flap of claim 1, wherein: the valve flap main body (1) comprises an alloy layer (101), the outer wall of the alloy layer (101) is fixedly connected with a reinforcing layer (102), and the outer wall of the reinforcing layer (102) is fixedly connected with a wear-resistant layer (103).
3. The natural gas needle stop valve flap of claim 2, wherein: the alloy layer (101) is made of GH4169 high-temperature alloy, and the wear-resistant layer (103) is made of wear-resistant rubber.
4. The natural gas needle stop valve flap of claim 1, wherein: the bottom of the valve rod (2) is provided with a mounting groove, and the fixing block (3) is located in the center of the mounting groove.
5. The natural gas needle stop valve flap of claim 1, wherein: the clamping grooves are formed in two sides of the mounting groove of the valve rod (2), and the two guide rods (5) are located at the centers of the clamping grooves.
6. The natural gas needle stop valve flap of claim 1, wherein: the other ends of the two groups of springs (8) are respectively connected with the side walls of the two groups of limiting grooves (6).
7. The natural gas needle stop valve flap of claim 1, wherein: the top of the sealing ring (9) is tightly attached to the bottom of the valve rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222313138.XU CN217842736U (en) | 2022-09-01 | 2022-09-01 | Valve clack of needle type natural gas stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222313138.XU CN217842736U (en) | 2022-09-01 | 2022-09-01 | Valve clack of needle type natural gas stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217842736U true CN217842736U (en) | 2022-11-18 |
Family
ID=84016242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222313138.XU Active CN217842736U (en) | 2022-09-01 | 2022-09-01 | Valve clack of needle type natural gas stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217842736U (en) |
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2022
- 2022-09-01 CN CN202222313138.XU patent/CN217842736U/en active Active
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