CN210770372U - Gas ball valve - Google Patents
Gas ball valve Download PDFInfo
- Publication number
- CN210770372U CN210770372U CN201921568321.6U CN201921568321U CN210770372U CN 210770372 U CN210770372 U CN 210770372U CN 201921568321 U CN201921568321 U CN 201921568321U CN 210770372 U CN210770372 U CN 210770372U
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- Prior art keywords
- valve core
- valve
- seat
- spherical
- valve rod
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- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 29
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical group Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
A gas ball valve comprises a valve body, a ball valve core, a valve core seat, a plug with an air guide hole and a handle, wherein the valve body comprises a connector, a ball valve core cavity and an internal thread cavity; a valve rod channel is arranged on the spherical valve core cavity; the valve rod is arranged on the spherical valve core; a valve core seat is attached to the air guide stop plate, the spherical valve core is arranged in the spherical valve core cavity, the valve core seat is matched with the spherical valve core, the plug is screwed with the internal thread cavity and is attached to the other valve core seat, and the valve core seat is in liquid seal with the spherical valve core; the handle drives the valve rod; the valve core seat is characterized by further comprising a flat pad and a spring meson, wherein the flat pad is attached to the valve core seat, and the spring meson is matched with the flat pad and the plug. Due to the adoption of the structure and the arrangement of the spring meson, the spherical valve core and the valve core seat are tightly matched, the sealing performance is improved, and the service life is prolonged.
Description
Technical Field
The utility model relates to a spherical stop valve on gas pipeline.
Background
In the prior art, a gas ball valve comprises a valve body, a ball-shaped valve core, a valve core seat, a plug with an air guide hole and a handle, wherein the valve body comprises a connector, a ball-shaped valve core cavity and an internal thread cavity, and an air guide stop plate is arranged between the connector and the ball-shaped valve core cavity; a valve rod channel is arranged on the spherical valve core cavity; the valve rod is arranged on the spherical valve core; a valve core seat is attached to the air guide stop plate, the spherical valve core is arranged in the spherical valve core cavity, the valve core seat is matched with the spherical valve core, the plug is screwed with the internal thread cavity and is attached to the other valve core seat, and the valve core seat is in liquid seal with the spherical valve core; the handle drives the valve stem. There are problems in that: the sealing performance of the spherical valve core and the valve core cavity is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: a gas ball valve is provided which can effectively improve the sealing performance of a ball valve core and a valve core seat.
The utility model discloses a realize like this: a gas ball valve comprises a valve body, a ball valve core, a valve core seat, a plug with an air guide hole and a handle, wherein the valve body comprises a connector, a ball valve core cavity and an internal thread cavity; a valve rod channel is arranged on the spherical valve core cavity; the valve rod is arranged on the spherical valve core; a valve core seat is attached to the air guide stop plate, the spherical valve core is arranged in the spherical valve core cavity, the valve core seat is matched with the spherical valve core, the plug is screwed with the internal thread cavity and is attached to the other valve core seat, and the valve core seat is in liquid seal with the spherical valve core; the handle drives the valve rod; it is characterized in that: also comprises a flat pad and a spring meson,
the flat pad is attached to the valve core seat, and the spring meson is matched with the flat pad and the plug.
The gas ball valve is characterized in that: the spherical valve core at the joint of the valve rod and the spherical valve core is provided with an annular platform, and the valve rod is provided with a threaded connecting hole, a positioning groove and a step which are communicated with the threaded connecting hole;
also comprises a valve rod seat, a transmission seat, a sealing ring and a screw,
the valve rod seat comprises a sleeve part and a flange part;
the center of the transmission seat is provided with a connecting hole, an inserting hole positioned at the lower end of the connecting hole and a sleeve which is arranged on the transmission seat and surrounds the inserting hole, and the wall of the inserting hole is provided with two axial fixed bulges;
the valve rod seat is sleeved on the valve rod, the lower end of the sleeve part is attached to the annular platform, the flange disc part is in clearance fit with the valve rod channel, and the sealing ring is arranged on the flange disc part; a sleeve on the transmission seat is inserted into the valve rod channel, the sleeve compresses the sealing ring, and the axial positioning bulge is embedded with the positioning groove; the screw passes through the connecting hole on the handle and the connecting hole on the transmission seat to be screwed with the threaded connecting hole on the valve rod, and the handle is connected with the transmission seat.
The gas ball valve is characterized in that: the transmission seat is rhombic, and positioning columns are arranged at two ends of the transmission seat in the long diagonal direction;
the handle is provided with two positioning plates, and the positioning plates are attached to two sides of the end part of the transmission seat in the long diagonal direction; and the positioning column is matched with the valve body at the position of the spherical valve core cavity to stop.
The gas ball valve is characterized in that: the valve body at the spherical valve core cavity is in a regular hexagonal shape.
The utility model relates to a gas ball valve owing to adopt such structure, the setting of spring meson has realized that spherical case and case seat closely cooperate, has improved sealing performance, has prolonged life.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a view a-a of fig. 1.
Fig. 3 is a view B-B of fig. 2.
Fig. 4 is a perspective view of the present invention.
Fig. 5 is one of exploded perspective views of the present invention.
Fig. 6 is a second exploded perspective view of the present invention.
Fig. 7 is a perspective view of the transmission seat of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, a gas ball valve comprises a valve body 1, a ball-shaped valve core 2, a valve core seat 3, a plug 4 with an air guide hole and a handle 5, wherein the valve body 1 comprises a connector 11, a ball-shaped valve core cavity 12 and an internal thread cavity 13, and an air guide stop plate 14 is arranged between the connector 11 and the ball-shaped valve core cavity 12; a valve rod channel 15 is arranged on the spherical valve core cavity 12; the valve rod 21 is arranged on the spherical valve core 2; a valve core seat 3 is attached to the air guide stop plate 14, the spherical valve core 2 is arranged in the spherical valve core cavity 12, the valve core seat 3 is matched with the spherical valve core 2, the plug 4 is screwed with the internal thread cavity 13 and is attached to the other valve core seat 3, and the valve core seat 3 is in liquid seal with the spherical valve core 2; the handle 5 drives the stem 21. The valve core seat 3 is made of plastic material.
Also comprises a flat pad 6 and a spring meson 7,
the flat pad 6 is attached to the valve core seat 3, and the spring meson 7 is matched with the flat pad 6 and the plug 4.
An annular platform 22 is arranged on the spherical valve core 2 at the joint of the valve rod 21 and the spherical valve core 2, and a threaded connecting hole 211, a positioning groove 212 communicated with the threaded connecting hole and a step 213 are arranged on the valve rod 21;
also comprises a valve rod seat 8, a transmission seat 9, a sealing ring 10 and a screw 16,
the valve stem seat 8 includes a sleeve portion 81 and a flange portion 82;
the center of the transmission seat 9 is provided with a connecting hole 91, an inserting hole 92 positioned at the lower end of the connecting hole and a sleeve 93 which is arranged on the transmission seat and surrounds the inserting hole, and the wall of the inserting hole 92 is provided with two axial fixed bulges 921;
the valve rod seat 9 is sleeved on the valve rod 91, the lower end of the sleeve part 81 is attached to the annular platform 22, the flange disc part 82 is in clearance fit with the valve rod channel 15, and the sealing ring 10 is arranged on the flange disc part 82; the sleeve 93 on the transmission seat 9 is inserted into the valve rod channel 121, the sleeve 93 compresses the sealing ring 10, and the axial positioning bulge 921 is embedded with the positioning groove 212; the screw 16 passes through a connecting hole on the handle 5 and a connecting hole 91 on the transmission seat 9 to be screwed with a threaded connecting hole 211 arranged on the valve rod 21, the handle 5 is connected with the transmission seat 9, and the handle 5 and the transmission seat 9 rotate together.
As shown in fig. 5, 6 and 7, the transmission seat 9 is in a diamond shape, and positioning posts 94 are arranged at two ends of the transmission seat 9 in the long diagonal direction;
two positioning plates 51 are arranged on the handle 5, and the positioning plates 51 are attached to two sides of the end part of the transmission seat 9 in the long diagonal direction; the positioning column 94 is matched with the valve body 1 at the position of the spherical valve core cavity 12 to stop.
The valve body 1 at the position of the spherical valve core cavity 12 is in a regular hexagonal shape.
The states shown in fig. 1, fig. 2, and fig. 3 of the present invention are views in the on state. In the state shown in fig. 1, when the handle is turned 90 degrees clockwise and the ball valve element 2 is turned 90 degrees, the handle is turned in the cutoff state.
What has been described above is only a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.
Claims (4)
1. A gas ball valve comprises a valve body, a ball valve core, a valve core seat, a plug with an air guide hole and a handle, wherein the valve body comprises a connector, a ball valve core cavity and an internal thread cavity; a valve rod channel is arranged on the spherical valve core cavity; the valve rod is arranged on the spherical valve core; a valve core seat is attached to the air guide stop plate, the spherical valve core is arranged in the spherical valve core cavity, the valve core seat is matched with the spherical valve core, the plug is screwed with the internal thread cavity and is attached to the other valve core seat, and the valve core seat is in liquid seal with the spherical valve core; the handle drives the valve rod; the method is characterized in that: also comprises a flat pad and a spring meson,
the flat pad is attached to the valve core seat, and the spring meson is matched with the flat pad and the plug.
2. A gas globe valve according to claim 1, characterized in that: the spherical valve core at the joint of the valve rod and the spherical valve core is provided with an annular platform, and the valve rod is provided with a threaded connecting hole, a positioning groove and a step which are communicated with the threaded connecting hole;
also comprises a valve rod seat, a transmission seat, a sealing ring and a screw,
the valve rod seat comprises a sleeve part and a flange part;
the center of the transmission seat is provided with a connecting hole, an inserting hole positioned at the lower end of the connecting hole and a sleeve which is arranged on the transmission seat and surrounds the inserting hole, and the wall of the inserting hole is provided with two axial fixed bulges;
the valve rod seat is sleeved on the valve rod, the lower end of the sleeve part is attached to the annular platform, the flange disc part is in clearance fit with the valve rod channel, and the sealing ring is arranged on the flange disc part; a sleeve on the transmission seat is inserted into the valve rod channel, the sleeve compresses the sealing ring, and the axial positioning bulge is embedded with the positioning groove; the screw passes through the connecting hole on the handle and the connecting hole on the transmission seat to be screwed with the threaded connecting hole on the valve rod, and the handle is connected with the transmission seat.
3. A gas globe valve according to claim 2, characterized in that: the transmission seat is rhombic, and positioning columns are arranged at two ends of the transmission seat in the long diagonal direction;
the handle is provided with two positioning plates, and the positioning plates are attached to two sides of the end part of the transmission seat in the long diagonal direction; and the positioning column is matched with the valve body at the position of the spherical valve core cavity to stop.
4. A gas globe valve according to claim 3, characterized in that: the valve body at the spherical valve core cavity is in a regular hexagonal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568321.6U CN210770372U (en) | 2019-09-19 | 2019-09-19 | Gas ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568321.6U CN210770372U (en) | 2019-09-19 | 2019-09-19 | Gas ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210770372U true CN210770372U (en) | 2020-06-16 |
Family
ID=71035940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921568321.6U Active CN210770372U (en) | 2019-09-19 | 2019-09-19 | Gas ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210770372U (en) |
-
2019
- 2019-09-19 CN CN201921568321.6U patent/CN210770372U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |