CN105003663A - Stop valve - Google Patents
Stop valve Download PDFInfo
- Publication number
- CN105003663A CN105003663A CN201510458712.2A CN201510458712A CN105003663A CN 105003663 A CN105003663 A CN 105003663A CN 201510458712 A CN201510458712 A CN 201510458712A CN 105003663 A CN105003663 A CN 105003663A
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- CN
- China
- Prior art keywords
- valve
- valve rod
- installation hole
- rod
- stop
- 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
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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
- 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
- F16K1/14—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 with ball-shaped valve member
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a stop valve. The stop valve comprises a valve seat, a valve body, a valve element and a valve rod for driving the valve element to move. A reserved installation hole is formed in the valve body. The valve seat is installed at the bottom end of the reserved installation hole. The valve rod is located at the top end of the reserved installation hole. The sealing surface of the valve seat is a conical sealing surface. The valve element is a spherical valve element. The motion end of the valve rod can be connected with the spherical valve element in an abutted mode. Due to the fact that the valve element is the spherical valve element, a high-accuracy conical surface does not need to be specially machined; the spherical valve element is separated from the valve rod, the spherical valve element can fall to the conical sealing surface of the valve seat under the effect of thrust of the valve rod, and the center of the circle of the spherical valve element does not need to be located on the extension line of the axis of the valve rod; no special requirement is set for the material and the machining accuracy of the valve rod, and the valve rod can be machined on an engine lathe. Thus, the machining difficulty of the stop valve is lowered.
Description
Technical field
The present invention relates to valve technology field, particularly a kind of stop valve.
Background technique
Stop valve refers to that spool does the device of straight line motion along the center line of valve seat, and wherein under the effect of valve rod, valve core sealed cover and sealing surface of seat are fitted, and then realizes medium circulation.
Traditional stop valve comprises valve seat, valve body, valve rod and is arranged on the spool of described valve stem end, wherein the sealing surface of spool is the valve element circle conical surface, the sealing surface of valve seat is the valve seat conical surface with valve element circle cone match, valve rod and spool are formed in one structure, valve rod coordinates with valve body screw thread, and valve seat is arranged on valve body bottom.
But, because valve rod and spool are formed in one structure, to coaxality and bevel required precision very high, and the sealing surface of spool is the valve element circle conical surface, the bevel precision comparison of spool is high, and surface roughness requirements is strict, component have different structure size because of different manufacturers, can not exchange, and component are difficult to obtain, and cause the difficulty of processing of stop valve larger.
Therefore, the difficulty of processing how reducing stop valve reduces, and is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
The object of this invention is to provide a kind of stop valve, the difficulty of processing of this stop valve reduces.
For achieving the above object, the invention provides a kind of stop valve, comprise valve seat, valve body spool and for driving the valve rod of described valve core movement, described valve body is provided with reserving installation hole, described valve seat is arranged on the bottom of described reserving installation hole, and described valve rod is positioned at the top of described reserving installation hole, and the sealing surface of described valve seat is conical sealing face, described spool be spherical valve core, the tache motorice of described valve rod can abut with described ball-type spool.
Preferably, also comprise the anticreep bounding means being fixedly connected on described valve body top, described valve rod is connected with described valve body screw thread, and described valve rod is provided with and is positioned at described reserving installation hole, and the anticreep spacing preiection that can abut with described anticreep bounding means.
Preferably, the restraining groove for spacing described anticreep spacing preiection bottom position is provided with in described valve body.
Preferably, the seal ring be set on described valve rod is also comprised.
Preferably, described valve seat is connected with described valve body screw thread.
Preferably, also comprise and be arranged on described valve stem tip, and the handle for driving described valve rod to rotate.
Preferably, described handle comprises the first fixing part be arranged on described valve rod and the second fixing part be fixedly connected with described first fixing part, described second fixing part abuts with described valve rod, and the movable end of described first fixing part is abutted with described valve rod by cotter pin.
Preferably, described spherical valve core is steel ball spool.
Preferably, described valve body is provided with multiple described reserving installation hole, and each described reserving installation hole is all provided with described valve seat, described valve rod and described ball-type spool.
Preferably, multiple described reserving installation hole is arranged in two rows be parallel to each other, and it is equal often to arrange adjacent two described reserving installation hole spacing.
In technique scheme, stop valve provided by the invention comprises valve seat, valve body, spool and for driving valve core movement valve rod, valve body is provided with reserving installation hole, valve seat is arranged on the bottom of reserving installation hole, valve rod is positioned at the top of reserving installation hole, the sealing surface of valve seat is conical sealing face, and spool is spherical valve core, and the tache motorice of valve rod can abut with spherical valve core.When stop valve opened by needs, staff by rotary valve rod, and then makes valve rod relative to valve body outwards movement, and spool promotes to valve rod direction under the effect of medium, and the potted line that spool and conical sealing face are formed is opened, and medium flows out; When stop valve closed by needs, reverse operating valve rod, and then valve rod moves near spool direction, finally realize spool and fix, spool and conical seal lines form potted line, and cut-off medium flows out.
Known by foregoing description, in stop valve provided by the invention, because spool is spherical valve core, do not need the conical surface of special machining high-precision, and spherical valve core and valve rod depart from, spherical valve core can fall into the conical sealing face of valve seat in the effect of valve rod thrust, the center of circle of spool is not needed to be positioned on the line stretcher of the axis of valve rod, the material of valve rod and machining accuracy are had no special requirements, valve rod can be processed on engine lathe, therefore, the processing cost of stop valve that the application provides reduces.
Accompanying drawing explanation
The structural representation of the stop valve that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is for stop valve shown in Fig. 1 is along the structural representation in A-A direction;
The structural representation of the cotter pin that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the handle that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the anticreep spacing preiection that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the valve rod that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the valve body that Fig. 7 provides for the embodiment of the present invention;
The structural representation of the valve seat that Fig. 8 provides for the embodiment of the present invention;
The structural representation of the seal ring that Fig. 9 provides for the embodiment of the present invention;
The structural representation of the spherical valve core that Figure 10 provides for the embodiment of the present invention;
The structural representation that the spherical valve core that Figure 11 provides for the embodiment of the present invention is stressed;
The partial schematic diagram of the valve seat that Figure 12 provides for the embodiment of the present invention;
The mounting point figure of the spherical valve core that Figure 13 provides for the embodiment of the present invention and valve seat;
The mounting point figure of a kind of spherical valve core that Figure 14 provides for the embodiment of the present invention and valve rod;
The mounting point figure of the another kind of spherical valve core that Figure 15 provides for the embodiment of the present invention and valve rod;
The structural representation of the first valve seat that Figure 16 provides for the embodiment of the present invention;
The structural representation of the second valve seat that Figure 17 provides for the embodiment of the present invention;
The structural representation of the third valve seat that Figure 18 provides for the embodiment of the present invention;
The structural representation being provided with the stop valve of multiple reserving installation hole that Figure 19 provides for the embodiment of the present invention;
Figure 20 is the plan view of stop valve shown in Figure 19;
Figure 21 is the sectional drawing of stop valve shown in Figure 19.
Wherein in Fig. 1-2 1: 1-valve rod, 2-valve body, 3-valve seat, 4-anticreep bounding means, 5-handle, 6-spherical valve core, 6A-spherical valve core, 6B-spherical valve core, 6C-spherical valve core, 7-seal ring, 8-liquid outlet, 9-liquid entering hole, 10-anticreep spacing preiection, 11-cotter pin, 12-conical sealing face.
Embodiment
Core of the present invention is to provide a kind of stop valve, and the difficulty of processing of this stop valve reduces.
In order to make those skilled in the art understand technological scheme of the present invention better, below in conjunction with drawings and embodiments, the present invention is described in further detail.
Please refer to Fig. 1 to Figure 21, in a kind of embodiment, stop valve provided by the invention comprises valve seat 3, valve body 2, valve rod 1 and spool, and valve rod 1 is for driving valve core movement, concrete, and valve rod 1 is moved up and down by telescopic cylinder.Valve body 2 is provided with reserving installation hole, valve seat 3 is arranged on the bottom of reserving installation hole, valve rod 1 is threaded with valve body 2, and be positioned at the top of reserving installation hole, the sealing surface of valve seat 3 is conical sealing face 12, spool is spherical valve core 6, the stop valve of same specification, the diameter dimension of its spherical valve core 6 is not fixing, as long as the spherical valve core 6 of such as diameter 8mm and diameter 9mm just can be used in allowed limits interchangeable, the tache motorice of valve rod 1 can abut with spherical valve core 6, and valve seat 3 is provided with liquid entering hole 9, and valve body 2 is provided with liquid outlet 8.Wherein, spool can be copper ball valve core, in order to extend the working life of spool, preferably, spool is steel ball spool, and steel ball spool has high interchangeability, safeguards and changes simply, cheap, be easy to obtain, directly commercially can have bought, reduce the difficulty of processing of stop valve.
Valve seat 3 and valve body 2 can by bonding, weld, the mode such as to be threaded connects, for the ease of staff's dismounting stop valve, preferably, valve seat 3 is threaded with valve body 2, in order to improve the sealing of stop valve, preferably, valve seat 3 screws in the installation process of valve body 2 and adopts pipe thread seal glue double thread to seal, such as happy safe 569 pipe thread seal glue, in case medium is revealed.Valve seat 3 can be changed as required flexibly, to adapt to different interface shapes, as shown in Figure 6, when meeting upper interface G1/2 and being identical, valve seat 3 can be various ways, such as FERRULETYPE, flared type, 24 ° of bevel-types etc. are replaced, to meet the needs of distinct interface form and size.As shown in figure 13, the whole taper-face contact region of valve seat 3 all can be used as sealing surface, as long as spherical valve core 6 used contacts with valve seat 3 in contact area, all can realize identical sealing effect, therefore to the concrete size of spherical valve core 6 without strict demand, spherical valve core 6 within the scope of certain size is used interchangeably, as spherical valve core 6A, spherical valve core 6B, spherical valve core 6C all can use.In order to reduce the difficulty of processing of stop valve, valve seat 3 can C of employing standard be zinc-plated connects silk, be specifically as follows standard 60 DEG C of heads and connect silk or 90 DEG C of heads connect silk, above-mentionedly connect silk to be widely used in high-pressure fluid medium cheap, versatility is good, and material is optional, be convenient to assembling, reduce further the difficulty of processing of stop valve, certainly, also can carry out processing customization as required or adopt the unlike material of various needs to process.
When stop valve opened by needs, staff by rotary valve rod 1, and then makes valve rod 1 relative to valve body 2 outwards movement, and spherical valve core 6 promotes to valve rod 1 direction under the effect of medium, the potted line that spherical valve core 6 and conical sealing face 12 are formed is opened, and medium flows out; When stop valve closed by needs, oppositely turn valve rod 1, and then valve rod 1 moves near spherical valve core 6 direction, finally realize spherical valve core 6 and fix, spherical valve core 6 and conical sealing face 12 form potted line, and cut-off medium flows out.
Known by foregoing description, in the stop valve that the specific embodiment of the invention provides, because spool is spherical valve core 6, do not need the conical surface of special machining high-precision, and spherical valve core 6 and valve rod 1 depart from, because valve rod 1 and spherical valve core 6 are what to separate, to the processing of valve rod 1 without rigorous, machine tool just can be processed, spherical valve core 6 can fall into the conical sealing face 12 of valve seat 3 in the effect of valve rod thrust, the center of circle of spherical valve core 6 is not needed to be positioned on the line stretcher of the axis of valve rod 1, namely valve rod 1 and spherical valve core 6 are without position size requirements such as strict coaxalitys, even if there is an offset δ in the two, spherical valve core 6 also can make the conical sealing face 12 being positioned at valve seat 3 by oneself, and do not affect sealing effect, the material of valve rod 1 and machining accuracy are had no special requirements.Spherical valve core 6 and valve seat 3 adopt linear sealing, and contact is good, high pressure resistant.The diameter dimension of its spherical valve core 6 is not fixing, to the diameter of spherical valve core 6 also without strict demand, as long as potted line can be formed with valve seat 3, and do not participate in sealing directly due to valve body 2, only as the carrier of spool and valve seat 3, its material and machining accuracy have no special requirements.Therefore, the difficulty of processing of the stop valve that the application provides reduces, and reduces the processing cost of stop valve.
Further, this stop valve also comprises the anticreep bounding means 4 being fixedly connected on valve body 2 top, valve rod 1 is threaded with valve body 2, valve rod 1 is provided with and is positioned at reserving installation hole, and the anticreep spacing preiection 10 that can abut with anticreep bounding means 4, wherein, anticreep bounding means 4 can by bonding, weld, the mode such as to be threaded and valve rod 1 fix.Concrete, anticreep bounding means 4 can by bonding, weld and the mode such as to be threaded fixing with valve body 2.For the ease of staff's dismounting stop valve, preferably, anticreep bounding means 4 is threaded with valve body 2.In order to improve the sealing of stop valve further, preferably, anticreep spacing preiection 10 is threaded with valve body 2.By arranging anticreep bounding means 4, avoiding valve rod 1 by the situation that valve body 2 screws out, effectively improve the safety in utilization of stop valve.
Further, the restraining groove for spacing anticreep spacing preiection 10 bottom position is provided with in valve body 2.By arranging restraining groove, avoiding staff excessively to turn valve rod 1, making the situation of valve rod 1 crushing spool, effectively extending the working life of stop valve.
In order to improve the sealing of stop valve, preferably, this stop valve also comprises the seal ring 7 be set on valve rod 1.More preferred, valve rod 1 is provided with the seal groove for placing seal ring 7, upwards seals in restraining groove cause leakage to prevent high-pressure medium.
Preferably, this stop valve also comprises and is arranged on valve rod 1 top, and the handle 5 for rotating with ovable valve stem 1.Concrete, handle 5 can be ring handle, and handle 5 welds with valve rod 1 top.By arranging handle 5, be convenient to staff's rotation valve rod 1, and then realize the keying of stop valve fast, improve working efficiency, reduce the labor intensity of staff's opening and closing cut-off valve.
More preferred, handle 5 comprises the first fixing part be set on valve rod 1 and the second fixing part be fixedly connected with the first fixing part, and the second fixing part abuts with valve rod 1, and the first fixing part is abutted with valve rod 1 by cotter pin 11.Concrete, process handle 5 for the ease of staff, preferably, handle 5 is processed by bearing pin.During work, handle 5 is fixed on the hole of valve rod 1 correspondence by cotter pin 11.First handle 5 is inserted on the hole of valve rod 1, then be fixed with cotter pin 11, during work, ovable valve stem 1 is with to rotate by rotating handles 5, when valve rod 1 moves downward, under the effect of push rod power F, spherical valve core 6 is pressed on valve seat 3, form looped linear between spherical valve core 6 and valve seat 3 to seal (see Figure 11), the medium of import is sealed; When push rod moves upward, then spherical valve core 6 and valve seat 3 are thrown off, and pressure medium just can back down spherical valve core 6 and enter valve body 2 and export.By above operation, just cutoff function can be realized.By cotter pin 11 fixed handle 5, be convenient to staff's dismounting stop valve.
On the basis of above-mentioned each scheme, valve body 2 is provided with multiple reserving installation hole, and each reserving installation hole is all provided with valve seat 3, valve rod 1 and spool, and multiple reserving installation hole is linearly arranged.Concrete, the specification of multiple reserving installation hole can be identical or different, and preferably, the specification of multiple reserving installation hole is different, stimulate the menstrual flow to be applicable to different circulations, such as, the reserving installation hole on a valve body can be G1/2 or G3/8 or G3/4 or G1 etc., so to much latus rectums, user can need to carry out selection according to scene and install, when the specification of multiple reserving installation hole is different, staff can pass through demand, the reserving installation hole that choice for use is different.Stop valve according to on-the-spot needs, can be assembled into multi-way valve and use by staff.By arranging multiple reserving installation hole, further increase the versatility of stop valve.
Preferably, multiple reserving installation hole is arranged in two rows be parallel to each other, and more preferably, the spacing of often arranging adjacent two reserving installation holes is equal.By arranging two row's reserving installation holes, further improve the versatility of stop valve.Certainly, reserving installation hole can be many rows, spacing often between row can be identical, also can be different, size between reserving installation hole also can carry out design processing as required, to adapt to different installing spaces, processing customization can be carried out according to the needs of user, because greatly reduce the machining accuracy of stop valve, the processing cost of stop valve also reduces greatly, Economy and realizability give the possibility that user is customized, the shape of stop valve is also not only confined to rectangle or cuboid, also can be circular oval or polygonal or irregular shape, depend on the scene needs of user, and the performance of stop valve is not affected, because to machining accuracy without particular/special requirement, even if the customization of the particular/special requirement for user, also be only a common machined piece.And, the wearing and tearing of this stop valve or each part detachable of damage connect, can dismantle easily and change, installation check and housekeeping operation simple, even if damage has appearred in certain reserving installation hole, also stop valve can be remained in each part replacement to contiguous or other reserving installation hole and continue to use.
The above-mentioned parts of composition stop valve can be installed in reserving installation hole inside, also can not install, or only select part reserving installation hole to install, a such as valve body 2 machined 10 mounting holes, user can assemble 5 or 7, remaining can indwelling, all can need install by the scene of user, effectively add the use flexibility of user.
In addition, the present invention is only the structure proposing a kind of valve, and for the material of all component of stop valve, user can select voluntarily according to the dielectric behavior of correspondence.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a stop valve, comprise valve seat (3), valve body (2), spool and for driving the valve rod (1) of described valve core movement, described valve body (2) is provided with reserving installation hole, described valve seat (3) is arranged on the bottom of described reserving installation hole, described valve rod (1) is positioned at the top of described reserving installation hole, the sealing surface of described valve seat (3) is conical sealing face (12), it is characterized in that, described spool is spherical valve core (6), and the tache motorice of described valve rod (1) can abut with described spherical valve core (6).
2. stop valve according to claim 1, it is characterized in that, also comprise the anticreep bounding means (4) being fixedly connected on described valve body (2) top, described valve rod (1) is threaded with described valve body (2), described valve rod (1) is provided with and is positioned at described reserving installation hole, and the anticreep spacing preiection (10) that can abut with described anticreep bounding means (4).
3. stop valve according to claim 2, is characterized in that, is provided with the restraining groove for spacing described anticreep spacing preiection (10) bottom position in described valve body (2).
4. stop valve according to claim 1, is characterized in that, also comprises the seal ring (7) be set on described valve rod (1).
5. stop valve according to claim 1, is characterized in that, described valve seat (3) is threaded with described valve body (2).
6. stop valve according to claim 1, is characterized in that, also comprises and is arranged on described valve rod (1) top, and the handle (5) for driving described valve rod (1) to rotate.
7. stop valve according to claim 6, it is characterized in that, described handle (5) comprises the first fixing part be arranged on described valve rod (1) and the second fixing part be fixedly connected with described first fixing part, described second fixing part abuts with described valve rod (1), and the movable end of described first fixing part is abutted with described valve rod (1) by cotter pin (11).
8. stop valve according to claim 1, is characterized in that, described spherical valve core (6) is steel ball spool.
9. the stop valve according to any one of claim 1-8, it is characterized in that, described valve body (2) is provided with multiple described reserving installation hole, and each described reserving installation hole is all provided with described valve seat (3), described valve rod (1) and described ball-type spool (6).
10. stop valve according to claim 9, is characterized in that, multiple described reserving installation hole is arranged in two rows be parallel to each other, and it is equal often to arrange adjacent two described reserving installation hole spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510458712.2A CN105003663A (en) | 2015-07-30 | 2015-07-30 | Stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510458712.2A CN105003663A (en) | 2015-07-30 | 2015-07-30 | Stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105003663A true CN105003663A (en) | 2015-10-28 |
Family
ID=54376453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510458712.2A Pending CN105003663A (en) | 2015-07-30 | 2015-07-30 | Stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105003663A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206568A (en) * | 2019-07-19 | 2019-09-06 | 巨隆集团芜湖兴隆液压有限公司 | Multi-functional monoblock type commutation valve group |
| CN112923078A (en) * | 2021-01-20 | 2021-06-08 | 湖北三江航天红峰控制有限公司 | Precision assembling and grinding method for all-metal electromagnetic valve seat |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US931004A (en) * | 1909-07-15 | 1909-08-10 | Charles F Waterman | Gage-cock for steam-boilers. |
| CN2314162Y (en) * | 1997-09-30 | 1999-04-14 | 林洪江 | Spherical stop valve |
| CN201318446Y (en) * | 2008-11-25 | 2009-09-30 | 宝钢集团上海梅山有限公司 | Air bleed valve for crystallizer |
| CN201679967U (en) * | 2009-10-12 | 2010-12-22 | 天津市圣恺工业技术发展有限公司 | Ceramic spherical stop valve |
| CN102428302A (en) * | 2009-04-21 | 2012-04-25 | 普莱德科技国际私人有限公司 | Domestic water tap or faucet with floating buoyant ball valve and activation rod |
| CN202812428U (en) * | 2012-07-17 | 2013-03-20 | 周远航 | Non-refillable cylinder valve |
| WO2014114195A1 (en) * | 2013-01-25 | 2014-07-31 | Zhou Yueping | Fusiform self-locking control valve and fusiform self-locking jet-flow control device |
| CN204985762U (en) * | 2015-07-30 | 2016-01-20 | 山东钢铁股份有限公司 | Stop valve |
-
2015
- 2015-07-30 CN CN201510458712.2A patent/CN105003663A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US931004A (en) * | 1909-07-15 | 1909-08-10 | Charles F Waterman | Gage-cock for steam-boilers. |
| CN2314162Y (en) * | 1997-09-30 | 1999-04-14 | 林洪江 | Spherical stop valve |
| CN201318446Y (en) * | 2008-11-25 | 2009-09-30 | 宝钢集团上海梅山有限公司 | Air bleed valve for crystallizer |
| CN102428302A (en) * | 2009-04-21 | 2012-04-25 | 普莱德科技国际私人有限公司 | Domestic water tap or faucet with floating buoyant ball valve and activation rod |
| CN201679967U (en) * | 2009-10-12 | 2010-12-22 | 天津市圣恺工业技术发展有限公司 | Ceramic spherical stop valve |
| CN202812428U (en) * | 2012-07-17 | 2013-03-20 | 周远航 | Non-refillable cylinder valve |
| WO2014114195A1 (en) * | 2013-01-25 | 2014-07-31 | Zhou Yueping | Fusiform self-locking control valve and fusiform self-locking jet-flow control device |
| CN204985762U (en) * | 2015-07-30 | 2016-01-20 | 山东钢铁股份有限公司 | Stop valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206568A (en) * | 2019-07-19 | 2019-09-06 | 巨隆集团芜湖兴隆液压有限公司 | Multi-functional monoblock type commutation valve group |
| CN112923078A (en) * | 2021-01-20 | 2021-06-08 | 湖北三江航天红峰控制有限公司 | Precision assembling and grinding method for all-metal electromagnetic valve seat |
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Application publication date: 20151028 |