CN104019247A - Overflow valve clack of ball valve - Google Patents
Overflow valve clack of ball valve Download PDFInfo
- Publication number
- CN104019247A CN104019247A CN201410246759.8A CN201410246759A CN104019247A CN 104019247 A CN104019247 A CN 104019247A CN 201410246759 A CN201410246759 A CN 201410246759A CN 104019247 A CN104019247 A CN 104019247A
- Authority
- CN
- China
- Prior art keywords
- valve
- sealing
- transmission
- friction top
- valve rod
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/10—Means for additional adjustment of the rate of flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
Abstract
The invention discloses an overflow valve clack of a ball valve. A junction valve cylinder is arranged on a valve body of the ball valve. An inner hole of the junction valve cylinder is communicated with a fluid inlet of the ball valve. A transmission valve rod is axially installed in the junction valve cylinder in a sliding mode. The overflow valve clack comprises a clamping cap and a bearing base, wherein the clamping cap and the bearing base are installed on the transmission valve rod in a sliding mode, and the bearing base is located inside the junction valve cylinder and detachably fixed to the clamping cap. A first sealing piece is clamped between the bearing base and a valve cover clamping base and matched with the end of the junction valve cylinder for sealing. An overflow elastic piece is compressed between the bearing base and the transmission valve rod. A locking piece is arranged at the end of the transmission valve rod. A second sealing piece is arranged between the transmission valve rod and the clamping cap for sealing. The transmission valve rod can drive the overflow valve clack to move. By the adoption of the overflow valve clack, a certain overflow protection effect can be achieved when the ball valve is opened, sealing performance of the ball valve in the closed state is improved, the requirement for using the ball valve on a tank container is met, and the fluid leakage probability is reduced.
Description
Technical field
The present invention relates to a kind of overcurrent flap, refer to especially a kind of overcurrent flap of ball valve.
Background technique
Conventional ball valve generally comprises valve body, spool and valve rod at present, spool is sphere-like, on valve body, be provided with and be convenient to entry port and the outflow opening that fluid enters into valve inner, and spool is installed on valve inner and by valve rod driven rotary, thereby entry port and outflow opening are cut off or UNICOM, realize closing motion.There is defect in right this ball valve, relies on the seal ring sealing sealing being installed in valve body between the spool of this ball valve and valve body, once sealing lost efficacy, will affect the normal use of ball valve so.In addition, ball valve Environmental Conditions on tank container is more severe, seal request is Gao Gengyan more, not only require the sealing of ball valve higher, avoid revealing, and need to do further restriction to flow, once the fluid flow in discovery tank container is excessive, need ball valve to close, avoid follow-up flow rate of pipelines excessive, also avoid fluid leakage.And common ball valve can not meet above-mentioned requirements at present, thereby cannot be applied on the tank container of fluid.
Summary of the invention
Technical problem to be solved by this invention is: the overcurrent flap that a kind of ball valve is provided; this overcurrent flap can make ball valve have certain over-flow protecting effect in unlatching; sealability while simultaneously having improved ball valve closed condition; meet the usage requirement on tank container, lower the leakage probability of fluid.
For solving the problems of the technologies described above, technological scheme of the present invention is: a kind of overcurrent flap of ball valve, the fluid approaching side of the valve body of this ball valve is provided with for stretching into the connection valve cylinder of internal tank, this connects the endoporus of valve cylinder and the fluid entry port of ball valve is communicated with, and connects in valve cylinder and endwisely slips transmission valve rod is installed; Described overcurrent flap comprises friction top and the supporting base being slidably mounted on transmission valve rod, described supporting base in connect valve cylinder inner side and and friction top between detachably fixing, between supporting base and valve gap grip slipper, clamping has the first Sealing, this first Sealing and the end fitted seal that is connected valve cylinder; Between described supporting base and transmission valve rod, be compressed with overcurrent elastic component, on the end of this transmission valve rod, be positioned at friction top arranged outside and have locking element, between this transmission valve rod and friction top, by the second Sealing, seal, this transmission valve rod can slide and makes the action of overcurrent flap and be connected valve cylinder fitted seal or unlatching within connecting valve cylinder.
As a kind of preferred scheme, between described friction top and supporting base, be provided with the position structure of being convenient to installation.
As a kind of preferred scheme, described position structure comprises and is arranged at the positioning groove of the ring-type on friction top inner side end or positioning convex or the positioning groove on the adjacent friction top end face of positioning convex, setting and supporting base.
As a kind of preferred scheme, between described friction top and locking element, be provided with Sealing housing, seal housing is installed on transmission valve rod, institute's second sealing member sheathing of telling is on transmission valve rod and be arranged in Sealing housing, uncovered shape is arranged in the endoporus upper-end surface of described friction top, the endoporus upper-end surface fitted seal of the lower end of described the second Sealing and friction top, the inner hole surface of the second Sealing coordinates with transmission valve stem seal.
Adopted after technique scheme, effect of the present invention is: because the fluid approaching side of ordinary ball valve arranges connection valve cylinder, in this connection valve cylinder, transmission valve rod is set, and overcurrent flap is mounted on transmission valve rod, the first Sealing of overcurrent flap and the second Sealing are this ball valve two outer two seals that provide again, thereby no matter this ball valve still can be sealed at overcurrent protection state in off position, thereby improve sealability, reduce and reveal probability; And while normally working, ball valve is opened, transmission valve stem slides is opened and is promoted overcurrent flap it is separated with the end that is connected valve cylinder, and fluid entry port is communicated with inflow exhaust port; And when the flow velocity of fluid is excessive; fluid produces a pressure to overcurrent flap; thereby force friction top transmission valve stem slides relative to supporting base, such the first Sealing just with the end fitted seal that is connected valve cylinder, thereby ball valve is closed; reach the effect of overcurrent protection; therefore, this overcurrent flap can make ball valve have certain over-flow protecting effect in unlatching, the sealability while simultaneously having improved ball valve closed condition; meet the usage requirement on tank container, lower the leakage probability of fluid.。
Owing to being provided with the position structure of being convenient to installation between described friction top and supporting base, this position structure can be convenient to locate between friction top and supporting base fixing, facilitates the installation of the first Sealing again.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structure sectional view of the embodiment of the present invention;
In accompanying drawing: 1. connect valve cylinder; 2. friction top; 3. the first Sealing; 4. supporting base; 5. transmission valve rod; 6. the second Sealing; 7. Sealing housing; 8. locking element; 9. position structure.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
As shown in Figure 1, a kind of overcurrent flap of ball valve, this ball valve is current conventional structure, it comprises valve body, spool and main valve stem, spool is installed on the inner chamber of valve body, main valve stem is fixedly connected with spool, main valve stem can drive Spool rotating, on valve body, be provided be convenient to that fluid enters fluid entry port and be convenient to the exhaust port of fluid expulsion, and the fluid approaching side of valve body is provided with for stretching into the connection valve cylinder 1 of internal tank, this connects the endoporus of valve cylinder 1 and the fluid entry port of ball valve is communicated with, it is one-body molded with valve body that this connects valve cylinder 1, the sidewall of the fluid approaching side of this valve body can be fixed with tank container, connecting 1 of valve cylinder extend in tank container, fluid in tank container enters in valve body from connecting valve cylinder 1.Connect in valve cylinder 1 and endwisely slip transmission valve rod 5 is installed, this transmission valve rod 5 is driven and is slided by valve rod driving mechanism, and the described flap of crossing is installed on transmission valve rod 5, by transmission valve rod 5, is driven and is opened or close; Described overcurrent flap comprises friction top 2 and the supporting base 4 being slidably mounted on transmission valve rod 5, described supporting base 4 in connect valve cylinder 1 inner side and and friction top 2 between detachably fixing, between supporting base 4 and valve gap grip slipper, clamping has the first Sealing 3, this first Sealing 3 and the end fitted seal that is connected valve cylinder 1; Between described supporting base 4 and transmission valve rod 5, be compressed with overcurrent elastic component, on the end of this transmission valve rod 5, be positioned on the end in friction top 2 outsides and be provided with locking element 8, between this transmission valve rod 5 and friction top 2, by the second Sealing 6, seal, this transmission valve rod 5 can make the action of overcurrent flap and be connected valve cylinder 1 fitted seal or unlatching in the interior slip of connection valve cylinder 1, and described the first Sealing 3 and the second Sealing 6 are seal ring.
Between described friction top 2 and supporting base 4, be provided with the position structure 9 of being convenient to installation, wherein.Described position structure 9 comprises positioning groove or the positioning convex that is arranged at the ring-type on friction top 2 inner side ends, positioning convex or positioning groove on friction top 2 end faces adjacent with supporting base 4 are set, and on the inner side end of friction top 2, be provided with the receiving groove that holds the first Sealing 3, the first Sealing 3 is installed in receiving groove and by supporting base 4 and coordinates and grip, fixedly employing bolt between friction top 2 and supporting base 4 is detachably fixing, the outside of mentioning in the present invention refers to the side that connects valve cylinder 1 outside and fluid contact, in Fig. 1, the upper side that connects valve cylinder 1 is outside, and respective side is inner side.
Between described friction top 2 and locking element 8, be provided with Sealing housing 7, seal housing 7 is installed on transmission valve rod 5, second Sealing 6 of telling is sleeved on transmission valve rod 5 and is arranged in Sealing housing 7, uncovered shape is arranged in the endoporus upper-end surface of described friction top 2, the endoporus upper-end surface fitted seal of the lower end of described the second Sealing 6 and friction top 2, the inner hole surface of the second Sealing 6 and transmission valve rod 5 are sealed and matched.
Friction top 2 and transmission valve rod 5 are metalwork, are provided with being nested with of plastics between the two, are convenient to slide, and avoid hard grind to damage.
Working principle of the present invention is: this filtration flap is applied on ball valve, when normally closing, between the spool of ball valve and valve body itself sealing, the first Sealing 3 and the sealing being connected between the end of valve cylinder 1, the second Sealing 6 is by the sealing between friction top 2 and transmission valve rod 5, thereby the sealing of whole ball valve is improved greatly, on the tank container of adaptation fluid, use, reduce and reveal probability.In addition; this filtration flap can avoid flow excessive when ball valve open mode, and when fluid flow is excessive, the pressure that fluid produces friction top 2 is excessive; this overcurrent flap is subject to will overcoming the elastic force of overcurrent elastic component after this pressure and closes and connect valve cylinder 1, thereby plays the effect of overcurrent protection.
Claims (4)
1. the overcurrent flap of a ball valve, it is characterized in that: the fluid approaching side of the valve body of this ball valve is provided with for stretching into the connection valve cylinder of internal tank, this connects the endoporus of valve cylinder and the fluid entry port of ball valve is communicated with, and connects in valve cylinder and endwisely slips transmission valve rod is installed; Described overcurrent flap comprises friction top and the supporting base being slidably mounted on transmission valve rod, described supporting base in connect valve cylinder inner side and and friction top between detachably fixing, between supporting base and valve gap grip slipper, clamping has the first Sealing, this first Sealing and the end fitted seal that is connected valve cylinder; Between described supporting base and transmission valve rod, be compressed with overcurrent elastic component, on the end of this transmission valve rod, be positioned at friction top arranged outside and have locking element, between this transmission valve rod and friction top, by the second Sealing, seal, this transmission valve rod can slide and makes the action of overcurrent flap and be connected valve cylinder fitted seal or unlatching within connecting valve cylinder.
2. the overcurrent flap of a kind of ball valve as claimed in claim 1, is characterized in that: between described friction top and supporting base, be provided with the position structure of being convenient to installation.
3. the overcurrent flap of a kind of ball valve as claimed in claim 2, is characterized in that: described position structure comprises and is arranged at the positioning groove of the ring-type on friction top inner side end or positioning convex or the positioning groove on the adjacent friction top end face of positioning convex, setting and supporting base.
4. the overcurrent flap of a kind of ball valve as claimed in claim 3, it is characterized in that: between described friction top and locking element, be provided with Sealing housing, seal housing is installed on transmission valve rod, institute's second sealing member sheathing of telling is on transmission valve rod and be arranged in Sealing housing, uncovered shape is arranged in the endoporus upper-end surface of described friction top, the endoporus upper-end surface fitted seal of the lower end of described the second Sealing and friction top, the inner hole surface of the second Sealing coordinates with transmission valve stem seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410246759.8A CN104019247A (en) | 2014-06-05 | 2014-06-05 | Overflow valve clack of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410246759.8A CN104019247A (en) | 2014-06-05 | 2014-06-05 | Overflow valve clack of ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104019247A true CN104019247A (en) | 2014-09-03 |
Family
ID=51436152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410246759.8A Pending CN104019247A (en) | 2014-06-05 | 2014-06-05 | Overflow valve clack of ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104019247A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3631893A (en) * | 1969-05-02 | 1972-01-04 | Fisher Controls Co | Safety control valve |
| CN101270822A (en) * | 2007-03-20 | 2008-09-24 | 株式会社山武 | Valve |
| CN102494166A (en) * | 2011-12-29 | 2012-06-13 | 珠海铂鸥卫浴用品有限公司 | Overflowing protective valve |
| CN202914793U (en) * | 2012-10-18 | 2013-05-01 | 丽水市国大阀门有限公司 | Ball valve |
| CN203857079U (en) * | 2014-06-05 | 2014-10-01 | 张家港富瑞特种装备股份有限公司 | Restrictor valve clack of spherical valve |
-
2014
- 2014-06-05 CN CN201410246759.8A patent/CN104019247A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3631893A (en) * | 1969-05-02 | 1972-01-04 | Fisher Controls Co | Safety control valve |
| CN101270822A (en) * | 2007-03-20 | 2008-09-24 | 株式会社山武 | Valve |
| CN102494166A (en) * | 2011-12-29 | 2012-06-13 | 珠海铂鸥卫浴用品有限公司 | Overflowing protective valve |
| CN202914793U (en) * | 2012-10-18 | 2013-05-01 | 丽水市国大阀门有限公司 | Ball valve |
| CN203857079U (en) * | 2014-06-05 | 2014-10-01 | 张家港富瑞特种装备股份有限公司 | Restrictor valve clack of spherical valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2018153685A5 (en) | ||
| CA2653254A1 (en) | Mechanical sliding sleeve | |
| JP2012510682A5 (en) | ||
| WO2009126020A8 (en) | Electromagnet valve with groove, provided with a projecting seat edge, for locking of a sealing element | |
| CN203857079U (en) | Restrictor valve clack of spherical valve | |
| JP2013092250A (en) | Valve device | |
| AR092724A1 (en) | BALANCED PORT DETECTION PROFILE FOR BETTER CAPACITY PERFORMANCE | |
| CN203892659U (en) | Over-flow protection mechanism of ball valve | |
| CN104019247A (en) | Overflow valve clack of ball valve | |
| CN205806596U (en) | Paint high-pressure filteration safety relief valve | |
| CN201221613Y (en) | Switch valve | |
| EA201590664A1 (en) | HIGH PRESSURE VALVE | |
| CN209511186U (en) | A kind of Combination filter element of the valve block installing type with by-passing valve | |
| CN209892799U (en) | Check valve | |
| CN212564544U (en) | Check valve | |
| CN203549034U (en) | Ceramic abrasion resistance throttling valve | |
| CN203926894U (en) | A kind of overcurrent ball valve | |
| CN104455582A (en) | Fire hydrant valve | |
| CN104006196A (en) | Overcurrent protection mechanism for ball valves | |
| CN104019248A (en) | Overflowing ball valve | |
| CN206478119U (en) | Dust-protection type hydraulic clutch release bearing | |
| CN204200901U (en) | A kind of high pressure resistant clutch working cylinder | |
| CN204099639U (en) | A kind of ball-valve structure be arranged on pipeline | |
| CN204942646U (en) | Can be used for the stop valve of non-return | |
| JP2015108294A (en) | Exhaust gas recirculation valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140903 |
|
| WD01 | Invention patent application deemed withdrawn after publication |