CN217713683U - Straight-through spherical sealing stop valve - Google Patents
Straight-through spherical sealing stop valve Download PDFInfo
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- CN217713683U CN217713683U CN202221004275.9U CN202221004275U CN217713683U CN 217713683 U CN217713683 U CN 217713683U CN 202221004275 U CN202221004275 U CN 202221004275U CN 217713683 U CN217713683 U CN 217713683U
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- sealing washer
- sealing ring
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Abstract
The utility model relates to a stop valve technical field just discloses a through spherical seal stop valve, which comprises a valve body, the valve body top is provided with the valve gap, just the valve gap with the valve body is connected, the valve gap with the valve body junction is provided with the mount pad, just the mount pad with the valve body is connected. This straight-through spherical seal stop valve, through setting up first sealing washer and second sealing washer, the second sealing washer seals between with valve gap and the valve rod, first sealing washer seals between with valve gap and the valve body, first sealing washer is inside to constitute with compression portion simultaneously, first sealing washer can compress through compression portion, when installing valve gap and valve body through the mount pad, place the inside at the mount pad with first sealing washer, when using locking screw to fasten the mount pad, first sealing washer can compress through locking screw's fastening nature, thereby improve the leakproofness of valve gap and valve body, consequently, the practicality of this stop valve has been increased.
Description
Technical Field
The utility model relates to a stop valve technical field specifically is a through spherical seal stop valve.
Background
The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so when the valve is closed, pressure must be applied to the valve clack to force the sealing surface not to leak. When the medium enters the valve from the lower part of the valve clack, the resistance to be overcome by the operating force is the friction force between the valve rod and the packing and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise the failure of the valve rod buckling can occur.
At present, the sealing performance of the sealing part of the existing stop valve is poor, medium leakage cannot be well prevented, the leakage condition is easy to occur under the working conditions of long-term corrosion, toxicity and harm, great harm is brought to the surrounding environment and personnel safety, the service life is short, and therefore the stop valve needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a through spherical seal stop valve possesses the advantage that sealing performance is good, and the sealing performance of the sealed position of having solved current stop valve is not good, can not fine prevention medium reveal, the condition of revealing appears easily under long-term corruption, poisonous and harmful operating condition, brings very big harm to all ring edge borders and personnel safety, and life is short, consequently needs carry out the modified problem to this stop valve.
The utility model provides a following technical scheme: the utility model provides a through type sphere seal stop valve, includes the valve body, the valve body top is provided with the valve gap, just the valve gap with the valve body is connected, the valve gap with the valve body junction is provided with the mount pad, just the mount pad with the valve body is connected, the mount pad inboard runs through to be provided with locking screw, just locking screw with the mount pad is connected, the valve gap inboard runs through to be provided with the valve rod, just the valve rod with the valve gap is connected, valve rod outside top is provided with rotatory handle, just rotatory handle with the valve rod is connected, the inboard top of valve gap is close to the valve rod outside is provided with the second sealing washer, just the second sealing washer with the valve gap is connected, the mount pad inboard is close to the valve rod bottom outside is provided with first sealing washer, just the first sealing washer with the mount pad is connected, first sealing washer inboard is provided with the compression portion, just the compression portion with the first sealing washer is connected, valve body top inboard is provided with elastic component, just elastic component with the valve body is connected.
Preferably, the number of the locking screws is two, the two locking screws are symmetrically arranged on the inner side of the mounting seat, and the valve cover is connected with the valve body through the locking screws.
Preferably, the number of the installation seats is two, and the two installation seats are respectively arranged at the bottom end of the valve cover and the top end of the valve body.
Preferably, a spring is arranged on the outer side of the valve rod, and the valve rod is connected with the spring.
Preferably, the valve rod and the valve cover are sealed by the second sealing ring.
Preferably, the valve cover and the valve body are sealed by the first sealing ring.
Compared with the prior art, the utility model discloses possess following beneficial effect:
this straight-through spherical seal stop valve, through setting up first sealing washer and second sealing washer, the second sealing washer seals between with valve gap and the valve rod, first sealing washer seals between with valve gap and the valve body, first sealing washer is inside to constitute with compression portion simultaneously, first sealing washer can compress through compression portion, when installing valve gap and valve body through the mount pad, place the inside at the mount pad with first sealing washer, when using locking screw to fasten the mount pad, first sealing washer can compress through locking screw's fastening nature, thereby improve the leakproofness of valve gap and valve body, consequently, the practicality of this stop valve has been increased.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic structural view of the first seal ring of the present invention.
In the figure: 1. rotating the handle; 2. a valve cover; 3. a valve body; 4. a mounting base; 5. locking the screw; 6. a valve stem; 7. a first seal ring; 8. an elastic member; 9. a second seal ring; 10. a compression section.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, a through type spherical sealing stop valve includes a valve body 3, a valve cover 2 is disposed on the top end of the valve body 3, the valve cover 2 is connected with the valve body 3, a mounting seat 4 is disposed at the joint of the valve cover 2 and the valve body 3, the mounting seat 4 is connected with the valve body 3, a locking screw 5 is disposed inside the mounting seat 4 in a penetrating manner, the locking screw 5 is connected with the mounting seat 4, a valve rod 6 is disposed inside the valve cover 2 in a penetrating manner, the valve rod 6 is connected with the valve cover 2, a rotating handle 1 is disposed above the outside of the valve rod 6, the rotating handle 1 is connected with the valve rod 6, a second sealing ring 9 is disposed on the top end of the inside of the valve cover 2 near the outside of the valve rod 6, the second sealing ring 9 is connected with the valve cover 2, a first sealing ring 7 is disposed on the inside of the mounting seat 4 near the outside of the bottom end of the valve rod 6, the first sealing ring 7 is connected with the mounting seat 4, a compression portion 10 is disposed inside the first sealing ring 7, an elastic member 8 is disposed on the inside the top end of the valve body 3, and the elastic member 8 is connected with the valve body 3.
Specifically, two locking screws 5 are arranged, the two locking screws 5 are symmetrically arranged on the inner side of the mounting seat 4, and the valve cover 2 is connected with the valve body 3 through the locking screws 5.
Specifically, the number of the installation seats 4 is two, and the two installation seats 4 are respectively arranged at the bottom end of the valve cover 2 and the top end of the valve body 3.
Specifically, a spring is arranged on the outer side of the valve rod 6, and the valve rod 6 is connected with the spring.
Specifically, the valve rod 6 and the bonnet 2 are sealed by a second seal ring 9.
Specifically, the bonnet 2 and the valve body 3 are sealed by a first seal ring 7.
During operation, install valve gap 2 and valve body 3 through mount pad 4, place first sealing washer 7 in the inside of mount pad 4, when using locking screw 5 to fasten mount pad 4, first sealing washer 7 can compress through locking screw 5's fastening nature to improve the leakproofness of valve gap 2 and valve body 3, seal between valve gap 2 and valve rod 6 through second sealing washer 9 simultaneously, improve the leakproofness of whole stop valve, the content that does not make detailed description in this description belongs to the prior art that the skilled person in the art is known.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A through type spherical sealing stop valve comprises a valve body (3), and is characterized in that: the valve comprises a valve body (3), a valve cover (2) is arranged at the top end of the valve body (3), the valve cover (2) is connected with the valve body (3), a mounting seat (4) is arranged at the joint of the valve cover (2) and the valve body (3), the mounting seat (4) is connected with the valve body (3), a locking screw (5) is arranged on the inner side of the mounting seat (4) in a penetrating manner, the locking screw (5) is connected with the mounting seat (4), a valve rod (6) is arranged on the inner side of the valve cover (2) in a penetrating manner, the valve rod (6) is connected with the valve cover (2), a rotary handle (1) is arranged above the outer side of the valve rod (6), the rotary handle (1) is connected with the valve rod (6), a second sealing ring (9) is arranged on the top end of the inner side of the valve cover (2) close to the outer side of the valve rod (6), the second sealing ring (9) is connected with the valve cover (2), a first sealing ring (7) is arranged on the inner side of the mounting seat (4) close to the outer side of the bottom of the valve rod (6), a first sealing ring (7) is connected with the mounting seat (7), a first sealing ring (10) is arranged on the inner side of the first sealing ring (7), and a compression portion (10) is arranged on the first sealing ring (7) connected with the compression portion (7), the inner side of the top end of the valve body (3) is provided with an elastic piece (8), and the elastic piece (8) is connected with the valve body (3).
2. A through spherical seal shut-off valve according to claim 1 wherein: the valve is characterized in that the number of the locking screws (5) is two, the two locking screws (5) are symmetrically arranged on the inner side of the mounting seat (4), and the valve cover (2) is connected with the valve body (3) through the locking screws (5).
3. A through spherical seal shut-off valve according to claim 1 wherein: the two installation seats (4) are arranged, and the two installation seats (4) are arranged at the bottom end of the valve cover (2) and the top end of the valve body (3) respectively.
4. A through spherical seal shut-off valve according to claim 1 wherein: the spring is arranged on the outer side of the valve rod (6), and the valve rod (6) is connected with the spring.
5. A through spherical seal shut-off valve according to claim 1 wherein: the valve rod (6) and the valve cover (2) are sealed through the second sealing ring (9).
6. A through spherical seal shut-off valve according to claim 1 wherein: the valve cover (2) and the valve body (3) are sealed through the first sealing ring (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221004275.9U CN217713683U (en) | 2022-04-28 | 2022-04-28 | Straight-through spherical sealing stop valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221004275.9U CN217713683U (en) | 2022-04-28 | 2022-04-28 | Straight-through spherical sealing stop valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217713683U true CN217713683U (en) | 2022-11-01 |
Family
ID=83789612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202221004275.9U Active CN217713683U (en) | 2022-04-28 | 2022-04-28 | Straight-through spherical sealing stop valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN217713683U (en) |
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2022
- 2022-04-28 CN CN202221004275.9U patent/CN217713683U/en active Active
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