CN203585407U - High-pressure resistant ball valve - Google Patents
High-pressure resistant ball valve Download PDFInfo
- Publication number
- CN203585407U CN203585407U CN201320777831.0U CN201320777831U CN203585407U CN 203585407 U CN203585407 U CN 203585407U CN 201320777831 U CN201320777831 U CN 201320777831U CN 203585407 U CN203585407 U CN 203585407U
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- CN
- China
- Prior art keywords
- valve
- flap
- buffer stopper
- pressure resistant
- ball valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a high-pressure resistant ball valve, which comprises a valve body, wherein a valve clack and a valve rod for controlling the valve clack to rotate are arranged in the valve body; buffer blocks for blocking the impact of a medium are arranged on the inner wall, on the two sides of the valve clack, of the valve body, and are arranged above and below the inner wall respectively; the buffer blocks arranged above and below the inner wall are arranged at intervals along the axial direction of the valve body. Compared with the prior art, the buffer blocks on the inner wall of the valve body are impacted by the medium flowing through the ball valve at first, and the impact is gradually reduced under the buffering of the buffer blocks, so that the impact, which is buffered for many times, of the medium on a ball body is minimized, and the service life of the ball valve is greatly prolonged; the ball valve is more reasonable in structure.
Description
Technical field
The utility model relates to a kind of ball valve, is specifically related to a kind of high pressure resistant ball valve.
Background technique
Existing ball valve comprises valve body, valve seat, flap are set in valve body and control the valve rod that flap rotates, the handle of the other end control valve rod rotation of valve rod control flap, in reality is used, handle applies certain torque and passes to flap in valve rod upper end, make its half-twist, the through hole of flap with valve channel center superposition or the vertical action that has reached standard-sized sheet or complete shut-down.And at some special occasions, the ball valve from empty medium to full medium suddenly, medium can produce very large impact to flap, and the flap weak to some anti-pressure abilities will cause damage, thereby affects the continuation use of ball valve.
Summary of the invention
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of flap non-damageable high pressure resistant ball valve.
For achieving the above object, the utility model provides following technological scheme: comprise valve body, valve seat, flap are set in described valve body and control the valve rod that flap rotates, it is characterized in that: described valve body is positioned on the inwall of flap both sides and is provided with and hinders the buffer stopper that medium impacts, described buffer stopper is arranged at respectively below inwall top and inwall, the in pairs axial and interval setting along valve body of the described buffer stopper that is arranged at inwall top and inwall below.
By adopting technique scheme, buffer stopper is set, when ball valve is during suddenly from empty medium to full medium, buffer stopper is kept out a part of medium and is impacted, in pairs and interval arrange and be down to after impact is repeatedly transmitted minimumly, buffer stopper processing is simple, working condition that can the various HI high impact of Emergency use.
The utility model is further set to: described buffer stopper is axially disposed with buffering suface and guide surface in outside towards valve body, described buffering suface is opening towards the axially arc shaped surface in outside of valve body, described guide surface be medium is guided on relative buffer stopper and opening towards the axially arc shaped surface of inner side of valve body.
By adopting technique scheme, buffering suface impact is kept out, and guide surface guides to relative buffer stopper by medium and carries out secondary buffer, repeatedly after buffering, reduces as far as possible and impact force.
The utility model is further set to: described buffer stopper is positioned at each four of the both sides of flap, inwall top and the inwall below of described valve body one side respectively arrange two, and the buffer stopper of the buffer stopper opposed inner walls top of described inwall below is along axially more close outside of valve body.
By adopting technique scheme, the quantity of buffer stopper can be multiple, preferably four, make to process duration and cushioning effect reaches balance, medium first can clash into the buffer stopper below inwall owing to being subject to gravity effect, so by the buffer stopper below wall near outside.
The utility model is further set to: described valve body comprises left body, right body and valve gap, described valve seat is located in respectively between flap and left body and right body, between described flap and left body and right body, be also provided with sealing seat, described sealing seat and left body and right body are respectively arranged with Fixed latches, and between flap, have been installed with L shaped seal ring.
By adopting technique scheme, sealing seat is set and coordinates valve seat that sealing effect is reached to best, two faces of L shaped seal ring and flap are fitted, and increase sealing area, may increase greatly to the greatest extent sealing.
The utility model is further set to: described valve seat is provided with U-groove bevel on the sagittal plane of left body and right body, between the sagittal plane of described U-groove bevel and left body and right body, be provided with holddown spring, described valve seat is provided with valve clack sealing ring towards flap, is provided with the sealing inclined-plane fitting with flap on described valve clack sealing ring.
By adopting technique scheme, holddown spring is pressed on valve clack sealing ring on flap, and increase laminating effect in sealing inclined-plane is set.
The utility model is further set to: on described sealing inclined-plane, be provided with vee.
By adopting technique scheme, increase vee and be used for collecting flap and the fricative assorted bits of valve clack sealing ring, assorted bits can repeatedly not rubbed in fitting surface, extend the working life of valve clack sealing ring.
The utility model is further set to: the installation cavity that is provided with valve clack sealing ring on described valve seat, described along left body and right axon to installation cavity chamber wall on be provided with fixture block, described fixture block cross section is barb-like, and the opening direction of the relative installation cavity in tip of described barb oppositely arranges.
By adopting technique scheme, the opening direction that fixture block is barb-like and the relative installation cavity in tip has oppositely increased the card of fixture block and has established stability, and the practicability of fixture block is improved.
The utility model is further set to: described fixture block with right axon to around formation ring-type is set.
By adopting technique scheme, fixture block can arrange by variety of way, comprise along inner peripheral surface and be uniformly distributed several, here preferably around left body and right axon to arranging in the form of a ring, its better effects if, card is established more stable.
The utility model is further set to: described fixture block is arranged on the installation cavity chamber wall that all radius surfaces are less.
By adopting technique scheme, due to the rotating manner of spheroid, fixture block is arranged at the installation cavity chamber wall that all radius surfaces are less makes valve seat installation stability better.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the enlarged view of A in Fig. 1;
Fig. 3 is the enlarged view of B in Fig. 1;
Fig. 4 is the enlarged view of C in Fig. 3.
Embodiment
As shown in Fig. 1-Fig. 4, the utility model discloses a kind of high pressure resistant ball valve, comprise valve body 1, valve seat 2 is set in valve body 1, the valve rod 4 that flap 3 and control flap 3 rotate, valve body 1 is positioned on the inwall 11 of flap 3 both sides and is provided with and hinders the buffer stopper 5 that medium impacts, buffer stopper 5 is arranged at respectively inwall top 12 and inwall below 13, the buffer stopper 5 that is arranged at inwall top 12 and inwall below 13 axially arranges at paired and interval along valve body 1, buffer stopper 5 is set, when ball valve is during suddenly from empty medium to full medium, buffer stopper 5 is kept out a part of medium and is impacted, paired and interval is down to minimum after arranging impact repeatedly being transmitted, buffer stopper 5 processing are simple, working condition that can the various HI high impact of Emergency use.
Buffer stopper 51 is positioned at each four of the both sides of flap 3, inwall top 12 and the inwall below 13 of valve body 1 one sides respectively arrange two, the buffer stopper 5 of the buffer stopper 5 opposed inner walls tops 12 of inwall below 13 is along axially more close outside of valve body 1, the quantity of buffer stopper can be multiple, preferably four, make to process duration and cushioning effect reaches balance, medium first can clash into the buffer stopper of inwall below 13 owing to being subject to gravity effect, thus by the buffer stopper 5 of wall below 13 near outside.
Valve body 1 comprises left body 14, right body 15 and valve gap 16, valve seat 2 is located in respectively between flap 3 and left body 14 and right body 15, between flap 3 and left body 14 and right body 16, be also provided with sealing seat 6, sealing seat 6 is respectively arranged with Fixed latches 61 with left body 14 and right body 15, and between flap 3, be installed with L shaped seal ring 62, sealing seat 6 be set and coordinate valve seat 2 that sealing effect is reached to best, L shaped seal ring 62 is fitted with 3 two faces of flap, increase sealing area, may increase greatly to the greatest extent sealing.
Valve seat 2 is provided with U-groove bevel 21 on the sagittal plane of left body 14 and right body 15, between the sagittal plane of U-groove bevel 21 and left body 14 and right body 15, be provided with holddown spring 22, valve seat 2 is provided with valve clack sealing ring 23 towards flap 3, on valve clack sealing ring 23, be provided with the sealing inclined-plane 231 fitting with flap 3, holddown spring 22 is pressed on valve clack sealing ring 23 on flap 3, and sealing inclined-plane 231 increase laminating effects are set.
Sealing is provided with vee 232 on inclined-plane 231, increases vee 232 for collecting flap 3 and the fricative assorted bits of valve clack sealing ring 23, and assorted bits can repeatedly not rubbed in fitting surface, extends the working life of valve clack sealing ring 23.
On valve seat 2, be provided with the installation cavity 233 of valve clack sealing ring 23, along being provided with fixture block 2332 on left body 14 and the axial installation cavity chamber wall 2331 of right body 15, fixture block 2332 cross sections are barb-like, the opening direction of the relative installation cavity 233 in tip of barb oppositely arranges, the card that fixture block 2332 is opening direction barb-like and the relative installation cavity 233 in tip has oppositely increased fixture block is established stability, and the practicability of fixture block 2332 is improved.
Claims (9)
1. a high pressure resistant ball valve, comprise valve body, valve seat, flap are set in described valve body and control the valve rod that flap rotates, it is characterized in that: described valve body is positioned on the inwall of flap both sides and is provided with and hinders the buffer stopper that medium impacts, described buffer stopper is arranged at respectively below inwall top and inwall, the in pairs axial and interval setting along valve body of the described buffer stopper that is arranged at inwall top and inwall below.
2. high pressure resistant ball valve according to claim 1, it is characterized in that: described buffer stopper is axially disposed with buffering suface and guide surface in outside towards valve body, described buffering suface is opening towards the axially arc shaped surface in outside of valve body, described guide surface be medium is guided on relative buffer stopper and opening towards the axially arc shaped surface of inner side of valve body.
3. high pressure resistant ball valve according to claim 2, it is characterized in that: described buffer stopper is positioned at each four of the both sides of flap, inwall top and the inwall below of described valve body one side respectively arrange two, and the buffer stopper of the buffer stopper opposed inner walls top of described inwall below is along axially more close outside of valve body.
4. according to the high pressure resistant ball valve described in claim 1 or 2 or 3, it is characterized in that: described valve body comprises left body, right body and valve gap, described valve seat is located in respectively between flap and left body and right body, between described flap and left body and right body, be also provided with sealing seat, described sealing seat and left body and right body are respectively arranged with Fixed latches, and between flap, have been installed with L shaped seal ring.
5. high pressure resistant ball valve according to claim 4, it is characterized in that: described valve seat is provided with U-groove bevel on the sagittal plane of left body and right body, between the sagittal plane of described U-groove bevel and left body and right body, be provided with holddown spring, described valve seat is provided with valve clack sealing ring towards flap, is provided with the sealing inclined-plane fitting with flap on described valve clack sealing ring.
6. high pressure resistant ball valve according to claim 5, is characterized in that: on described sealing inclined-plane, be provided with vee.
7. high pressure resistant ball valve according to claim 6, it is characterized in that: the installation cavity that is provided with valve clack sealing ring on described valve seat, described along left body and right axon to installation cavity chamber wall on be provided with fixture block, described fixture block cross section is barb-like, and the opening direction of the relative installation cavity in tip of described barb oppositely arranges.
8. high pressure resistant ball valve according to claim 7, is characterized in that: described fixture block with right axon to around formation ring-type is set.
9. high pressure resistant ball valve according to claim 8, is characterized in that: described fixture block is arranged on the installation cavity chamber wall that all radius surfaces are less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320777831.0U CN203585407U (en) | 2013-11-29 | 2013-11-29 | High-pressure resistant ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320777831.0U CN203585407U (en) | 2013-11-29 | 2013-11-29 | High-pressure resistant ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203585407U true CN203585407U (en) | 2014-05-07 |
Family
ID=50583333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320777831.0U Expired - Fee Related CN203585407U (en) | 2013-11-29 | 2013-11-29 | High-pressure resistant ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203585407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276222A (en) * | 2015-11-25 | 2016-01-27 | 江苏华太电力仪表有限公司 | High-temperature and high-pressure socket welding type ball valve |
| CN112879644A (en) * | 2021-01-12 | 2021-06-01 | 芜湖市金贸流体科技股份有限公司 | Safe and reliable emergency closing valve and method thereof |
-
2013
- 2013-11-29 CN CN201320777831.0U patent/CN203585407U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276222A (en) * | 2015-11-25 | 2016-01-27 | 江苏华太电力仪表有限公司 | High-temperature and high-pressure socket welding type ball valve |
| CN112879644A (en) * | 2021-01-12 | 2021-06-01 | 芜湖市金贸流体科技股份有限公司 | Safe and reliable emergency closing valve and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20191129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |