CN210118472U - Floating threaded connection ball valve - Google Patents
Floating threaded connection ball valve Download PDFInfo
- Publication number
- CN210118472U CN210118472U CN201920802341.9U CN201920802341U CN210118472U CN 210118472 U CN210118472 U CN 210118472U CN 201920802341 U CN201920802341 U CN 201920802341U CN 210118472 U CN210118472 U CN 210118472U
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- Prior art keywords
- valve
- ball
- valve body
- seat
- spheroid
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- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 34
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 230000005489 elastic deformation Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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- Taps Or Cocks (AREA)
Abstract
The utility model discloses a threaded connection ball valve floats, including valve body, valve gap and spheroid, be equipped with the fluid passage of the medium circulation of being convenient for in the valve body, be equipped with in the spheroid with the communicating runner of the inside fluid passage of valve body, be provided with the pressure release hole on the spheroid, the spheroid seals between upper reaches end disk seat and low reaches end disk seat, the bottom of upper reaches end disk seat sets up in the left side tip outside of valve body, and the top of upper reaches end disk seat sets up in the valve body inside and closely laminates with the outer disc in spheroidal left side, and the top of upper reaches end disk seat is equipped with a slot, and the spheroid laminates in the bottom of slot, the low reaches end disk seat is sealed with the outer disc in. The part of the upstream end valve seat arranged on the outer side of the valve body plays a role of a flange gasket, the groove enables the upstream end valve seat to have certain elastic deformation capacity, and when the ball body moves slightly towards the downstream end under the action of a medium, the groove compensates the ball body under the elastic action, and the upstream end valve seat can still be guaranteed to be tightly attached to the ball body.
Description
Technical Field
The utility model relates to a ball valve, concretely relates to threaded connection ball valve floats.
Background
The tank box is smaller in space for installing the valve due to the characteristic of the structure, so that the valve installed on the tank box is designed to be a small structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art not enough, provide a structural design is reasonable, the leakproofness is high, the unsteady threaded connection ball valve of disk seat and the design of gasket integral type, provide comparatively effectual solution for solving above-mentioned problem.
The utility model discloses an adopt following technical scheme to solve above-mentioned problem: a floating threaded ball valve includes
The valve body is internally provided with a fluid passage convenient for medium circulation, and a ball mounting structure is arranged in the middle of the fluid passage;
the ball body is arranged in a ball body mounting structure in the valve body, the ball body is of a spherical surface structure, a flow passage communicated with a fluid passage in the valve body is arranged in the ball body, and the ball body is provided with a pressure relief hole; the left side and the right side of the ball body are respectively and vertically provided with an upstream end valve seat and a downstream end valve seat, the bottom end of the upstream end valve seat is arranged outside the left end part of the valve body, the top end of the upstream end valve seat is arranged inside the valve body and tightly attached to the left outer circular surface of the ball body, the top of the upstream end valve seat is provided with a groove, the notch of the groove is arranged in a bending way towards the inner wall of the valve body, and the ball body is attached to the bottom of the groove; one end of the downstream end valve seat is attached to the inner wall of the ball mounting structure of the valve body, and the other end of the downstream end valve seat is sealed with the right outer circular surface of the ball;
the valve cover is in threaded connection with the downstream end of the valve body;
the plug screw, the plug screw sets up the bottom at the valve body.
Further, the pressure relief hole is coaxial with the fluid passage of the valve body when the ball is closed, and the pressure relief hole is located at the upstream end of the valve body when the ball is closed.
Further, the upstream end valve seat and the downstream end valve seat are valve seats made of PTFE.
Furthermore, the inner wall of the valve body is symmetrically provided with grooves, the grooves are formed in the right side of the downstream end valve seat, and a filter screen and an elastic check ring are arranged in the grooves.
Furthermore, the elastic retainer ring is arranged on the right side of the filter screen.
The utility model discloses following beneficial effect has:
1. the structure is compact, the volume is small, the weight is light, and the valve is suitable for being used as an air valve or a material inlet and outlet valve on a tank;
2. the ball body is provided with a pressure relief hole which is coaxial with the fluid channel of the valve and is positioned at the upstream end of the valve when in the fully closed position, so that the pressure balance between the middle cavity and the upstream end of the valve is ensured, and the problem of overpressure of the middle cavity is avoided;
3. the upstream end disk seat all adopts the PTFE material to make with the downstream end disk seat, the left side tip of valve body has slightly been protruded to upstream end disk seat bottom, the part of locating the valve body outside has played the effect of flange gasket because of the characteristic of PTFE material, the top of upstream end disk seat is equipped with a slot, its notch sets up to the inner wall bending of valve body, the spheroid laminates in the tank bottom of slot, the slot makes the upstream end disk seat possess certain elastic deformation's ability, when the spheroid makes downstream end micro-displacement under the medium, because of downstream end disk seat is sealed with the outer disc in spheroidal right side, the slot can compensate the spheroid under the elastic action, still can guarantee that upstream end disk seat and spheroid closely laminate.
Drawings
Fig. 1 is a schematic structural view of the ball valve of the present invention in a closed state.
Wherein: 1. the valve comprises a valve body, 2, a valve cover, 3, a ball body, 4, an upstream end valve seat, 5, a downstream end valve seat, 6, a pressure relief hole, 7, a filter screen, 8, an elastic retainer ring, 9, a screw plug, 10, a ball body mounting structure, 11, a fluid channel, 111, a fluid channel inlet end, 112, a fluid channel outlet end, 12, a flow channel, 13 and a groove.
Detailed Description
In order to deepen the understanding of the present invention, the present invention is further described in detail below with reference to the embodiments and the attached drawings, and the following description is only an exemplary embodiment of the present invention and is not used to limit the protection scope of the present invention.
It should be understood that the terms "left" and "right" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only used for convenience of describing the present invention, but do not indicate or imply that the indicated device or element must have a specific direction, and thus, should not be construed as limiting the present invention.
As shown in the attached figure 1, the floating threaded connection ball valve comprises a valve body 1, a ball body 3, a valve cover 2 and a screw plug 9.
A fluid passage 11 convenient for medium circulation is arranged in the valve body 1, a ball mounting structure 10 is arranged in the middle of the fluid passage 11, the left side of the ball mounting structure 10 and the inlet end 111 of the fluid passage are of an integral structure, and the right side of the ball mounting structure 10 bends towards the axis of the valve body 1 and is communicated with the outlet end 112 of the fluid passage.
The spheroid 3 sets up in the inside spheroid mounting structure 10 of valve body 1, spheroid 3 is spherical surface structure, be equipped with in the spheroid 3 with the communicating runner 12 of the inside fluid passage 11 of valve body 1, be equipped with pressure release hole 6 on the spheroid 3, pressure release hole 6 is coaxial with the fluid passage 11 of valve body 1 when spheroid 3 is closed, and pressure release hole 6 is located the upstream end department of valve body 1 when spheroid 3 is closed, so guaranteed the pressure balance of valve body lumen and upstream end, the problem of lumen superpressure can not appear.
The left and right sides of spheroid 3 are vertical respectively to be provided with upstream end disk seat 4 and downstream end disk seat 5, and upstream end disk seat 4, downstream end disk seat 5 all adopt the PTFE material. The bottom of upstream end disk seat 4 sets up in the left side tip outside of valve body 1, and the bottom of upstream end disk seat 4 slightly outstanding setting need not to put the flange gasket again when the ball valve is connected with the jar case in the outside of valve body 1, operates simplyr. The top of upstream end disk seat 4 sets up in valve body 1 inside and closely laminates with spheroid 3's the outer disc in the left side, and the top of upstream end disk seat 4 still is equipped with a slot 13, and the notch of slot 13 sets up to the inner wall bending of valve body 1, and spheroid 3 laminates in the tank bottom of slot 13. One end of the downstream end valve seat 5 is attached to the inner wall of the sphere mounting structure 10 of the valve body 1, and the other end of the downstream end valve seat 5 is sealed with the right outer circular surface of the sphere 3. Therefore, the ball 3 is sealed in the upstream end valve seat 4 and the downstream end valve seat 5, the groove 13 enables the upstream end valve seat 4 to have certain elastic deformation capacity, when the ball 3 slightly moves towards the downstream end under the action of a medium, the groove 13 compensates the ball 3 under the elastic action, and the upstream end valve seat 4 can still be ensured to be tightly attached to the ball 3.
The valve cover 2 is in threaded connection with the downstream end of the valve body 1, and when the ball valve is not connected with an external pipeline, the interior of the ball valve is prevented from being polluted.
The screw plug 9 is arranged at the bottom of the valve body 1. During the actual use, the screw plug 9 can be removed and external equipment, such as a pressure gauge, can be connected.
The inner wall of the valve body 1 is also symmetrically provided with grooves which are arranged on the right side of the downstream end valve seat 5, a filter screen 7 and an elastic check ring 8 are fixed in the grooves, the elastic check ring 8 is arranged on the right side of the filter screen 7, and the filter screen 7 is arranged for filtering impurities in a medium.
Claims (5)
1. A floating threaded connection ball valve is characterized by comprising
The valve body is internally provided with a fluid passage convenient for medium circulation, and a ball mounting structure is arranged in the middle of the fluid passage;
the ball body is arranged in a ball body mounting structure in the valve body, the ball body is of a spherical surface structure, a flow passage communicated with a fluid passage in the valve body is arranged in the ball body, and the ball body is provided with a pressure relief hole; the left side and the right side of the ball body are respectively and vertically provided with an upstream end valve seat and a downstream end valve seat, the bottom end of the upstream end valve seat is arranged outside the left end part of the valve body, the top end of the upstream end valve seat is arranged inside the valve body and tightly attached to the left outer circular surface of the ball body, the top of the upstream end valve seat is provided with a groove, the notch of the groove is arranged in a bending way towards the inner wall of the valve body, and the ball body is attached to the bottom of the groove; one end of the downstream end valve seat is attached to the inner wall of the ball mounting structure of the valve body, and the other end of the downstream end valve seat is sealed with the right outer circular surface of the ball;
the valve cover is in threaded connection with the downstream end of the valve body;
the plug screw, the plug screw sets up the bottom at the valve body.
2. A floating threaded connection ball valve according to claim 1 wherein said pressure relief orifice is coaxial with the fluid passageway of the valve body when the ball is closed and said pressure relief orifice is located at the upstream end of the valve body when the ball is closed.
3. A floating threaded ball valve according to claim 1 wherein said upstream and downstream valve seats are PTFE valve seats.
4. The floating threaded connection ball valve of claim 1, wherein grooves are symmetrically formed in the inner wall of the valve body, the grooves are formed in the right side of the valve seat at the downstream end, and a filter screen and a circlip are arranged in the grooves.
5. A floating threaded connection ball valve according to claim 4 wherein said circlip is located to the right of the filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920802341.9U CN210118472U (en) | 2019-05-30 | 2019-05-30 | Floating threaded connection ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920802341.9U CN210118472U (en) | 2019-05-30 | 2019-05-30 | Floating threaded connection ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210118472U true CN210118472U (en) | 2020-02-28 |
Family
ID=69615468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920802341.9U Active CN210118472U (en) | 2019-05-30 | 2019-05-30 | Floating threaded connection ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210118472U (en) |
-
2019
- 2019-05-30 CN CN201920802341.9U patent/CN210118472U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |