CN110513502A - Crystallize dedicated regulation valve - Google Patents
Crystallize dedicated regulation valve Download PDFInfo
- Publication number
- CN110513502A CN110513502A CN201910795412.1A CN201910795412A CN110513502A CN 110513502 A CN110513502 A CN 110513502A CN 201910795412 A CN201910795412 A CN 201910795412A CN 110513502 A CN110513502 A CN 110513502A
- Authority
- CN
- China
- Prior art keywords
- valve body
- spool
- valve
- sealing ring
- groove
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
-
- 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; 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
- 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
- F16K5/06—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 with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses crystallization dedicated regulation valves, including valve body, rotating shaft, spool, transmission shaft and valve seat, it is characterized in that, the inside of the valve body and outside for being located at turn around axis and transmission shaft opens up fluted one and groove two respectively, air inlet set is fixedly installed on the outside of the valve body, the bottom surface of the valve body and be located at spool lower position be fixedly installed with rear pressing cover, the inside of the valve body and top surface for being located at rear pressing cover is movably installed with rotating shaft, the circumference side of the rotating shaft and inside for being located at groove one is fixedly installed with sealing ring one.In the present invention, scraper is installed between valve seat and spool, so that rotating rotating shaft after spool face precipitation when crystallizing, make valve core rotation, i.e., strike off crystallization using scraper, ensure that the intact of cavity inner wall, to guarantee leakproofness, valve seat and scraper are internally exerted a force using counterbalance spring simultaneously, so that it is guaranteed that scraper can be in close contact with spool, ensure that the efficiency for striking off crystallization.
Description
Technical field
The present invention relates to hydraulic pipeline component technology fields, more particularly to crystallization dedicated regulation valve.
Background technique
Crystallization dedicated regulation valve is that one kind passes through rotating shaft and spool to change valve port by area, to reach stream
Amount control, to control the dedicated hydraulic conduit component of crystallization process.
Existing regulating valve mostly uses greatly keyway arrangements to be attached the spool of regulating valve with rotating shaft, works as pipeline fluid
Flow velocity it is larger when, it is also higher for the pressure of core, at this time rotate rotating shaft carry out close control when be easy to make key
Slot structure generates abrasion, so that regulating valve be made to generate switch angular deviation, reduces sealing performance, and part is tied in use
Crystalline substance is easy to be precipitated on the surface of spool, is easy to scratch the cavity inner wall of regulating valve when switch, to reduce leakproofness.
Summary of the invention
It is an object of the invention to: it is easy to cause switch angle since keyway arrangements are worn to solve existing regulating valve
The crystallization that deviation, spool face are precipitated is easy to scratch the problem of cavity inner wall is to reduce sealing performance, and the crystallization proposed is special
Use regulating valve.
To achieve the goals above, present invention employs following technical solutions:
Crystallize dedicated regulation valve, including valve body, rotating shaft, spool, transmission shaft and valve seat, which is characterized in that the valve body it is interior
The portion and outside for being located at turn around axis and transmission shaft opens up fluted one and groove two respectively, is fixedly installed on the outside of the valve body
Air inlet set, the bottom surface of the valve body and the lower position for being located at spool are fixedly installed with rear pressing cover, the inside of the valve body and
Rotating shaft, the fixed peace in the circumference side of the rotating shaft and the inside for being located at groove one are movably installed with positioned at the top surface of rear pressing cover
Equipped with sealing ring one, the inside of the valve body and the top fixing sleeve for being located at turn around axis are connected to spool, the top surface of the spool and
Bottom offers keyway, and the shape and size of the keyway are identical as the shape and size at the top of rotating shaft respectively, the spool
Surfaces externally and internally make mirror surface treatment, the inside of the valve body and top movable for being located at spool is equipped with transmission shaft, the biography
The outside of moving axis and be located at groove two inside be fixedly installed with sealing ring two, the left end fixing sleeve of the valve body is connected to valve seat,
The periphery face of the valve seat opens up fluted three, and the inside of the groove three is fixedly installed with sealing ring three, the valve seat
Left side be fixedly installed with side pressure lid, the inner wall of the side pressure lid opens up fluted four, the fixed peace in the inside of the groove four
Equipped with sealing ring four, the right end of the valve seat is fixedly installed with scraper.
It is as above-mentioned technical proposal to further describe:
The groove one is identical with the size of groove two, and the groove one and groove two are respectively positioned on valve inner close to the one of spool
End.
It is as above-mentioned technical proposal to further describe:
The inside of the air inlet set offers through-hole, and the through-hole is through to the inside of valve body, and the bottom of the air inlet set is fixed
Intake valve is installed, the type of the intake valve is non-return valve.
It is as above-mentioned technical proposal to further describe:
The circumference side of the rotating shaft contacts but is not fixed with the inner wall of valve body, and the rotating shaft is made of pedestal and spindle nose,
The diameter dimension of the pedestal is identical as the size of valve body bottom opening, and the shape of the spindle nose is spline shape.
It is as above-mentioned technical proposal to further describe:
Fixed clamping, the transmission shaft are made of shaft, square toes and shaft end between the transmission shaft and spool, the shaft it is straight
Diameter is identical as the diameter that body top is open, and the shapes of the square toes is square, and the shape and size of the shaft end are and key
The shape and size of slot are identical.
It is as above-mentioned technical proposal to further describe:
The left side of the valve seat offers blind hole, and the quantity of the blind hole is four, and four blind holes are in the left side of valve seat
Face is in uniform circle distribution, and the inside of the blind hole is fixedly installed with counterbalance spring, and the state of the counterbalance spring is compression
State, the right end of the counterbalance spring are fixedly connected with the side of blind hole.
It is as above-mentioned technical proposal to further describe: the sealing ring one, sealing ring two, sealing ring three and sealing ring four
Material be soft rubber ring, the sealing ring one, sealing ring two, sealing ring three and sealing ring four state be in compression
State.
As above-mentioned technical proposal to further describe: the material of the scraper is the harder rubber tapping knife of quality, described to scrape
The right side of knife and the outside face contact of spool.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, in the present invention, scraper is installed between valve seat and spool, so that rotating back to after spool face precipitation when crystallizing
Shaft makes valve core rotation, i.e., strikes off crystallization using scraper, ensure that the intact of cavity inner wall, to guarantee leakproofness, together
Shi Liyong counterbalance spring internally exerts a force valve seat and scraper, so that it is guaranteed that scraper can be in close contact with spool, ensure that and scrapes
Except the efficiency of crystallization.
2, in the present invention, traditional keyway connection structure is changed to spline connection, passes through the torque average mark that will be rotated
The more sections of dispensing realize and are more uniformly stressed, thus avoid connecting abrasion as keyway and caused by switch angular deviation,
And then improve the sealing performance of regulating valve.
Detailed description of the invention
Fig. 1 shows the regulating valve structure schematic diagram provided according to embodiments of the present invention；
Fig. 2 shows the regulating valve schematic diagram of internal structures of offer according to embodiments of the present invention；
Fig. 3 shows the regulating valve perspective view of the explosion provided according to embodiments of the present invention；
Fig. 4 shows the valve seat schematic diagram of internal structure provided according to embodiments of the present invention；
Fig. 5 shows the bottom rotating shaft structural schematic diagram provided according to embodiments of the present invention；
Fig. 6 shows the top rotating shaft structural schematic diagram provided according to embodiments of the present invention；.
Marginal data:
1, valve body；101, groove one；102, groove two；2, air inlet set；201, intake valve；3, rear pressing cover；4, rotating shaft；401, bottom
Seat；402, spindle nose；403, sealing ring one；5, spool；501, keyway；6, transmission shaft；601, shaft；602, square toes；603, shaft end；
604, sealing ring two；7, valve seat；701, groove three；702, sealing ring three；703, blind hole；704, counterbalance spring；8, side pressure lid；
801, groove four；802, sealing ring four；9, scraper.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-6, the present invention provides a kind of technical solution: crystallization dedicated regulation valve, including valve body 1, rotating shaft 4,
Spool 5, transmission shaft 6 and valve seat 7, the inside of valve body 1 and the outside for being located at turn around axis 4 and transmission shaft 6 open up fluted one respectively
101 and groove 2 102, for installing seal assembly, the outside of valve body 1 is fixedly installed with air inlet set 2, the bottom surface and position of valve body 1
It is fixedly installed with rear pressing cover 3 in the lower position of spool 5, is sealed and fixed for playing the role of, the inside and position of valve body 1
Rotating shaft 4, the fixed peace in the circumference side of rotating shaft 4 and the inside for being located at groove 1 are movably installed in the top surface of rear pressing cover 3
Equipped with sealing ring 1, for playing sealing function, the inside of the valve body 1 and top fixing sleeve for being located at turn around axis 4 is connected to spool
5, the top surface and bottom of spool 5 offer keyway 501, the shape and size of keyway 501 respectively with the shape at 4 top of rotating shaft and
Size is identical, to form drive mechanism, the surfaces externally and internally of spool 5 makees mirror surface treatment, improve the finish on 5 surface of spool from
And the probability that decrease crystallization is precipitated on its surface, the inside of valve body 1 and the top movable for being located at spool 5 are equipped with transmission shaft 6, pass
The outside of moving axis 6 and be located at groove 2 102 inside be fixedly installed with sealing ring 2 604, for playing the role of sealing, valve body
1 left end fixing sleeve is connected to valve seat 7, and the periphery face of valve seat 7 opens up fluted 3 701, the fixed peace in the inside of groove 3 701
Equipped with sealing ring 3 702, for playing sealing function, the left side of valve seat 7 is fixedly installed with side pressure lid 8, for valve seat 7 into
Row limit, the inner wall of side pressure lid 8 open up fluted 4 801, and the inside of groove 4 801 is fixedly installed with sealing ring 4 802, plays
The effect of sealing, the right end of valve seat 7 are fixedly installed with scraper 9.
Specifically, as shown in figure 3, groove 1 is identical with the size of groove 2 102, groove 1 and groove 2 102
1 inside of valve body is respectively positioned on close to one end of spool 5, guarantees sealing effect.
Specifically, through-hole is through to the inside of valve body 1, for leading to as shown in Figure 1, the inside of air inlet set 2 offers through-hole
Enter steam to clean the crystallization on 5 surface of spool, the bottom of air inlet set 2 is fixedly installed with intake valve 201, intake valve 201
Type is non-return valve, is merely able to that steam is allowed to enter without allowing steam reversely to escape, to guarantee the cleaning effect of spool 5
Fruit.
Specifically, guarantee is turned round as shown in figure 3, the circumference side of rotating shaft 4 contacts but is not fixed with the inner wall of valve body 1
Axis 4 can be rotated relative to valve body 1, and rotating shaft 4 is made of pedestal 401 and spindle nose 402, the diameter dimension of pedestal 401 and 1 bottom of valve body
The size of face opening is identical, and the shape of spindle nose 402 is spline shape, convenient for sharing torque.
Specifically, as shown in figure 3, fixed clamping between transmission shaft 6 and spool 5, forms drive mechanism, transmission shaft 6 is by axis
Bar 601, square toes 602 and shaft end 603 form, and the diameter of shaft 601 is identical as the open-topped diameter of valve body 1, so that transmission shaft 6
It can be rotated relative to valve body 1, to be switched with movable valve plug 5, the shape of square toes 602 is square, makes to pass using square toes 602
Moving axis 6 and the driving device of regulating valve are attached, and increase the area of transmission, to reduce the transmission pressure of per unit contact area
Power avoids wearing, and the shape and size of shaft end 603 are identical as the shape and size of keyway 501, thus increase contact area,
Reduce abrasion.
Specifically, the quantity of blind hole 703 is four, four as shown in figure 4, the left side of valve seat 7 offers blind hole 703
Blind hole 703 is in uniform circle distribution in the left side of valve seat 7, and the inside of blind hole 703 is fixedly installed with counterbalance spring 704, is mended
The state for repaying spring 704 is compressive state, to guarantee that it can exert a force to outside, to guarantee that valve seat 7 is installed firm, is mended
The right end for repaying spring 704 is fixedly connected with the side of blind hole 703.
Specifically, as shown in figure 3, sealing ring 1, sealing ring 2 604, sealing ring 3 702 and sealing ring 4 802 material
Matter is soft rubber ring, sealing ring 1, sealing ring 2 604, sealing ring 3 702 and sealing ring 4 802 state be in
The state of compression guarantees the leakproofness of regulating valve to each serve as the sealing function to different parts.
Specifically, as shown in figure 4, the material of scraper 9 is the harder rubber tapping knife of quality, the right side of scraper 9 and spool 5 it is outer
Side contact strikes off the crystallization on 5 surface of spool to realize when spool 5 rotates, to guarantee spool 5 and valve
Scuffing is not generated between 1 inner wall of body.
Working principle: rotating drive shaft 6 makes the opening of spool 5 that can be connected to hydraulic pipeline when use, at this time sealing ring one
403, sealing ring 2 604, sealing ring 3 702 and sealing ring 4 802, which are pressurized, generates elastic deformation, plays the role of sealing, when making
With a period of time, crystallizes the rotating cylinder transmission shaft 6 after the surface of spool 5 is precipitated and rotated with movable valve plug 5, at this time counterbalance spring 704
Elastic force compresses valve seat 7 inwardly, so that the lateral surface that spool 5 is close in the right side of scraper 9 scrape crystallization thereon
It removes, opens intake valve 201 after using for a longer period, being passed through steam to the inside of valve body 1 by air inlet set 2 can be by its inside
Crystallization is cleaned, and torque is dispersed by the spline of 4 end of transmission shaft 6 and rotating shaft during rotating drive shaft 6,
So as to avoid the abrasion that unit area pressure is excessive and generates, the leakproofness of regulating valve ensure that.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. crystallizing dedicated regulation valve, including valve body (1), rotating shaft (4), spool (5), transmission shaft (6) and valve seat (7), feature
Be, the inside of the valve body (1) and the outside for being located at turn around axis (4) and transmission shaft (6) open up respectively fluted one (101) and
Groove two (102) is fixedly installed with air inlet set (2) on the outside of the valve body (1), the bottom surface of the valve body (1) and is located at spool
(5) lower position is fixedly installed with rear pressing cover (3), the inside of the valve body (1) and the top surface activity for being located at rear pressing cover (3)
Be equipped with rotating shaft (4), the circumference side of the rotating shaft (4) and be located at groove one (101) inside be fixedly installed with sealing
Enclose one (403), the inside of the valve body (1) and the top fixing sleeve for being located at turn around axis (4) is connected to spool (5), the spool (5)
Top surface and bottom offer keyway (501), the shape and size of the keyway (501) respectively with the shape at the top of rotating shaft (4)
Shape is identical with size, and the surfaces externally and internally of the spool (5) makees mirror surface treatment, the inside of the valve body (1) and is located at spool (5)
Top movable be equipped with transmission shaft (6), the outside of the transmission shaft (6) and be located at groove two (102) inside be fixedly mounted
There is sealing ring two (604), the left end fixing sleeve of the valve body (1) is connected to valve seat (7), and the periphery face of the valve seat (7) is opened
Equipped with groove three (701), the inside of the groove three (701) is fixedly installed with sealing ring three (702), a left side for the valve seat (7)
Side is fixedly installed with side pressure lid (8), and the inner wall of the side pressure lid (8) opens up fluted four (801), the groove four (801)
Inside be fixedly installed with sealing ring four (802), the right end of the valve seat (7) is fixedly installed with scraper (9).
2. crystallization dedicated regulation valve according to claim 1, which is characterized in that the groove one (101) and groove two
(102) size is identical, and the groove one (101) and groove two (102) are respectively positioned on the one of valve body (1) internal close spool (5)
End.
3. crystallization dedicated regulation valve according to claim 1, which is characterized in that the inside of the air inlet set (2) offers
Through-hole, the through-hole are through to the inside of valve body (1), and the bottom of the air inlet set (2) is fixedly installed with intake valve (201), institute
The type for stating intake valve (201) is non-return valve.
4. crystallization dedicated regulation valve according to claim 1, which is characterized in that the circumference side of the rotating shaft (4) with
The inner wall of valve body (1) is contacted but is not fixed, and the rotating shaft (4) is made of pedestal (401) and spindle nose (402), the pedestal
(401) diameter dimension is identical as the size of valve body (1) bottom opening, and the shape of the spindle nose (402) is spline shape.
5. crystallization dedicated regulation valve according to claim 1, which is characterized in that between the transmission shaft (6) and spool (5)
Fixed clamping, the transmission shaft (6) are made of shaft (601), square toes (602) and shaft end (603), the shaft (601) it is straight
Diameter is identical as valve body (1) open-topped diameter, and the shape of the square toes (602) is square, the shape of the shaft end (603)
It is identical as the shape and size of keyway (501) with size.
6. crystallization dedicated regulation valve according to claim 1, which is characterized in that the left side of the valve seat (7) offers
Blind hole (703), the quantity of the blind hole (703) are four, and four blind holes (703) are in the left side of valve seat (7) in uniform
Circle distribution, the inside of the blind hole (703) is fixedly installed with counterbalance spring (704), the state of the counterbalance spring (704)
Right end for compressive state, the counterbalance spring (704) is fixedly connected with the side of blind hole (703).
7. crystallization dedicated regulation valve according to claim 1, which is characterized in that the sealing ring one (403), sealing ring two
(604), the material of sealing ring three (702) and sealing ring four (802) is soft rubber ring, the sealing ring one (403), sealing
The state of two (604) of circle, sealing ring three (702) and sealing ring four (802) is in the state of compression.
8. crystallization dedicated regulation valve according to claim 1, which is characterized in that the material of the scraper (9) be quality compared with
Hard rubber tapping knife, the right side of the scraper (9) and the outside face contact of spool (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910795412.1A CN110513502A (en) | 2019-08-27 | 2019-08-27 | Crystallize dedicated regulation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910795412.1A CN110513502A (en) | 2019-08-27 | 2019-08-27 | Crystallize dedicated regulation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110513502A true CN110513502A (en) | 2019-11-29 |
Family
ID=68627078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910795412.1A Pending CN110513502A (en) | 2019-08-27 | 2019-08-27 | Crystallize dedicated regulation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110513502A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013142A (en) * | 2020-07-17 | 2020-12-01 | 黄友耐 | Spring impulse type safety valve |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61201968A (en) * | 1985-03-04 | 1986-09-06 | Kubota Ltd | Ball valve |
| CN201382177Y (en) * | 2009-04-14 | 2010-01-13 | 谢正泽 | Partial derivation control ball valve |
| CN201386826Y (en) * | 2009-04-14 | 2010-01-20 | 谢正泽 | Double-sealing eccentric rotary cut-off valve |
| CN201582423U (en) * | 2009-07-23 | 2010-09-15 | 上海上冶阀门制造有限公司 | Multi-face tongue-and-groove connecting ball valve |
| CN102966751A (en) * | 2012-11-13 | 2013-03-13 | 大众阀门集团有限公司 | U-shaped ball valve for slurry mixing and ash discharging |
| CN104315185A (en) * | 2014-09-01 | 2015-01-28 | 浙江永盛仪表有限公司 | Double-scraper ultra-hard sealing ball valve |
| CN204187028U (en) * | 2013-11-20 | 2015-03-04 | 天津百利展发集团有限公司 | A kind of automatically cleaning gate valve |
| CN204493783U (en) * | 2015-03-06 | 2015-07-22 | 浙江贝托阀门有限公司 | A kind of ball valve with scraper |
| CN204961884U (en) * | 2015-05-25 | 2016-01-13 | 杨镇纲 | Control ball valve suitable for easy crystallization medium occasion |
| CN206001037U (en) * | 2016-08-30 | 2017-03-08 | 吴帮亮 | self-cleaning ball valve |
-
2019
- 2019-08-27 CN CN201910795412.1A patent/CN110513502A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61201968A (en) * | 1985-03-04 | 1986-09-06 | Kubota Ltd | Ball valve |
| CN201382177Y (en) * | 2009-04-14 | 2010-01-13 | 谢正泽 | Partial derivation control ball valve |
| CN201386826Y (en) * | 2009-04-14 | 2010-01-20 | 谢正泽 | Double-sealing eccentric rotary cut-off valve |
| CN201582423U (en) * | 2009-07-23 | 2010-09-15 | 上海上冶阀门制造有限公司 | Multi-face tongue-and-groove connecting ball valve |
| CN102966751A (en) * | 2012-11-13 | 2013-03-13 | 大众阀门集团有限公司 | U-shaped ball valve for slurry mixing and ash discharging |
| CN204187028U (en) * | 2013-11-20 | 2015-03-04 | 天津百利展发集团有限公司 | A kind of automatically cleaning gate valve |
| CN104315185A (en) * | 2014-09-01 | 2015-01-28 | 浙江永盛仪表有限公司 | Double-scraper ultra-hard sealing ball valve |
| CN204493783U (en) * | 2015-03-06 | 2015-07-22 | 浙江贝托阀门有限公司 | A kind of ball valve with scraper |
| CN204961884U (en) * | 2015-05-25 | 2016-01-13 | 杨镇纲 | Control ball valve suitable for easy crystallization medium occasion |
| CN206001037U (en) * | 2016-08-30 | 2017-03-08 | 吴帮亮 | self-cleaning ball valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013142A (en) * | 2020-07-17 | 2020-12-01 | 黄友耐 | Spring impulse type safety valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208625313U (en) | Material cleaning device and cooking apparatus | |
| CN107933250A (en) | Vehicle air conditioning outlet assembly | |
| CN110513502A (en) | Crystallize dedicated regulation valve | |
| CN208977685U (en) | A kind of detachable ratchet spanner of latch | |
| CN106812961B (en) | A kind of application method with scraper shut-off valve | |
| CN110801953B (en) | Bathroom shower head with adjustable shower area | |
| CN205324018U (en) | Take gondola water faucet of automatic descaling function | |
| CN107831605B (en) | Contact lenses clean box | |
| CN107061751B (en) | A kind of band rotary drag shut-off valve assembly method | |
| CN110360352B (en) | Adjustable swing check valve | |
| CN110353381A (en) | A kind of contact lens case with automatic cleaning function | |
| CN205618790U (en) | Butterfly valve | |
| CN215172402U (en) | Water tap capable of automatically adjusting flow | |
| CN213685354U (en) | High platform V-shaped ball valve | |
| CN203823152U (en) | Rotary flow intercepting swing check valve | |
| CN209294420U (en) | A kind of weight flap valve of easy cleaning | |
| CN209130232U (en) | A kind of water drinker faucet of removal residual water | |
| CN210935449U (en) | Nozzle sealing device | |
| CN210461717U (en) | Backflow prevention butterfly valve | |
| CN208793706U (en) | A kind of lining fire safe type high temperature tee joint butterfly valve | |
| CN210397769U (en) | Lever gate valve | |
| CN105318034A (en) | Ultrasonic self-cleaning anti-scaling ball valve | |
| CN207667848U (en) | A kind of shower | |
| CN207394013U (en) | Electrical ball valve | |
| CN210830537U (en) | Energy-saving elastic sealing gate valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191129 |
|
| RJ01 | Rejection of invention patent application after publication |