CN106763817A - A kind of dark bar seal gate valve of rocker-type - Google Patents
A kind of dark bar seal gate valve of rocker-type Download PDFInfo
- Publication number
- CN106763817A CN106763817A CN201710079969.6A CN201710079969A CN106763817A CN 106763817 A CN106763817 A CN 106763817A CN 201710079969 A CN201710079969 A CN 201710079969A CN 106763817 A CN106763817 A CN 106763817A
- Authority
- CN
- China
- Prior art keywords
- articulated section
- valve
- flashboard
- rocker
- gate valve
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 3
- 210000003660 reticulum Anatomy 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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
- F16K1/16—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 pivoted closure-members
- F16K1/18—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 pivoted closure-members with pivoted discs or flaps
- F16K1/20—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 pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
- F16K1/2021—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 pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member with a plurality of 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
-
- 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
- F16K1/44—Details of seats or valve members of double-seat valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The present invention relates to a kind of dark bar seal gate valve of rocker-type, including valve body, bonnet, flashboard and valve rod, the motion mode that the gate valve changes traditional gate valve flashboard is typically characterized by, is sealed using two shoe brake plates, sealing direction is identical with flow direction；Simultaneously invention also improves the method that valve rod rotation was originally driven with handwheel, using a drive rod rotating rocker, while drive rod can stash；Using the present invention, the friction between flashboard and valve seat can be effectively reduced, increase the service life of valve seat, while employing the gate opening/closing mode for being more convenient safety, using effect and experience are more preferable.
Description
Technical field
The present invention relates to valve technology field, and in particular to a kind of structure is novel, the dark bar sealing of the rocker-type of excellent effect
Gate valve.
Background technology
Valve is the control unit in fluid delivery system, with cut-off, regulation, water conservancy diversion, prevents adverse current, voltage stabilizing, shunting
Or the function such as overflow pressure relief.
The wherein direction of motion of traditional gate valve flashboard and the direction of fluid is vertical, and generally fluid is utilized when Gate-valve sealing
Pressure make closely to be connected between flashboard and valve seat, static seal is realized, in the case, due to valve seat and lock during the keying of gate valve
Excessive compression between plate, can produce very strong frictional force, easy frictional heating in the motion process of flashboard, and easily cause
Valve seat deforms so as to influence its service life.The driving of valve rod generally uses handwheel, and structure when being rotated further by due to handwheel is difficult to
Force, it is therefore desirable to which a kind of brand-new structure is realized.
In consideration of it, inventor furthers investigate to above mentioned problem, there is this case to produce then.
The content of the invention
Novel, the dark bar seal gate valve of rocker-type of excellent effect it is an object of the invention to provide a kind of structure.
In order to achieve the above object, the present invention is using such technical scheme：
A kind of dark bar seal gate valve of rocker-type, including valve body, bonnet and valve rod, bonnet be connected to valve body top, valve rod with
Bonnet is connected, and valve inner has the passage that water supply stream passes through, and passage includes first passage mouthful and second channel mouthful；First passage
Mouth is provided with from top to bottom to tilted-putted first valve seat of second channel mouthful, and second channel mouthful is provided with from top to bottom to first passage
Tilted-putted second valve seat of mouth；Also include drive rod and two first corresponding with the first valve seat rotated by valve rod driving
Flashboard and second flashboard corresponding with the second valve seat；Equipped with the first cavity of accommodating drive rod, the first cavity in valve rod
The sliding block for moving up and down inside is provided with, sliding block includes the articulated section in upper end of slide block, and sliding block passes through articulated section and drive rod phase pivot
Connect；Sliding block perisporium is provided with the first projection, and the first sliding groove slided for the first projection is provided with the first cavity；Body base is provided with
Lower articulated section, lower articulated section includes close first passage mouthful and the first time articulated section and close second being articulated with the first flashboard
Passway and second time articulated section being articulated with the second flashboard；Valve rod lower end is provided with articulated section, and upper articulated section includes first
Articulated section on upper articulated section and second, articulated section connects with the first flashboard by can be swung towards the first valve seat direction first on first
Extension bar is articulated, and articulated section is articulated with the second flashboard by the second connecting rod that can be swung towards the second valve seat direction on second；
The second cavity slided up and down for upper articulated section is provided with bonnet.
Further, the first flashboard includes being engaged with the first valve seat the first sealing face of sealing and is sealed with first
The first opposite flashboard back side of face, the first flashboard back side is provided with the first pivot joint block connected with connecting rod；Second flashboard bag
Include the second sealing face and the second flashboard back side opposite with the second sealing face that sealing is engaged with the second valve seat, the second lock
Back top is provided with the second pivot joint block connected with connecting rod；There is horizontal direction to extend and be passed with fluid for articulated section on first
Defeated direction it is vertical first on rotating shaft, on second articulated section have horizontal direction extend and vertical with fluid transmission direction second
There is upper rotating shaft, the first pivot joint block horizontal direction to extend and first lower rotary shaft vertical with fluid transmission direction, the second pivot joint block
Extend with horizontal direction and second lower rotary shaft vertical with fluid transmission direction.
Preferably, sealing face is equipped with resilient seal layer.
Preferably, resilient seal layer includes the bottom face near lower articulated section side and the top away from lower articulated section side
Face, resilient seal thickness degree is gradually incremented by by top end face to bottom face.
Preferably, the spherical shape in face is sealed.
Further, upper articulated section is connected through a screw thread with valve rod, and upper articulated section upper end week is along being provided with the of uniform arrangement
Two projections, the second cavity madial wall is provided with the second sliding groove slided up and down for the second projection；Valve rod upper end and bonnet upper end card
It is connected together；Second sliding groove lower section is provided with the spacing lower edge for preventing the second projection from departing from sliding groove.
Further, upper articulated section neighboring section is in polygon, and the second cavity cross section is to match with upper articulated section
Polygon.
Further, sliding block section is in polygon, and the first cavity cross section is the polygon matched with rocking bar.
Further, lower articulated section and upper articulated section are equipped with torsion spring.
Further, opened between the first flashboard and the second flashboard and be provided with stage clip.
Gain effect：Using the present invention, the friction of valve seat can be effectively reduced, be easy to the keying of gate valve；Utilize simultaneously and shake
Bar replaces handwheel, more laborsaving when rotation, using more convenient；The structure design of rocking bar can hide rocking bar simultaneously, save
About space, while unintentional keying can be prevented.
Brief description of the drawings
Easy structure schematic diagram when Fig. 1 is for present invention closure；
Fig. 2 is easy structure schematic diagram when the present invention is opened.
In figure：
Articulated section under 1- valve bodies 11-
12- passage 2- bonnets
The upper articulated section 211- connecting rods of 21-
212- the second projection the second sliding grooves of 22-
3- flashboard 31- pivot joint blocks
32- resilient seals layer 4- valve rods
41- sliding block 411- articulated sections
412- the first projection the first sliding grooves of 42-
5- drive rod 6- valve seats
Specific embodiment
In order to technical scheme is explained further, it is described in detail below by specific embodiment.
The dark bar seal gate valve of a kind of rocker-type, including valve body 1 as shown in Figure 1-2, bonnet 2 and valve rod 4, bonnet 2 are connected to
The top of valve body 1, valve rod 4 is connected with bonnet 2, and the inside of valve body 1 has the passage 12 that water supply stream passes through, and passage 12 includes first passage
12 mouthfuls and 12 mouthfuls of second channel；12 mouthfuls of first passage is provided with from top to bottom to 12 mouthfuls of tilted-putted first valve seats 6 of second channel,
12 mouthfuls of second channel is provided with from top to bottom to 12 mouthfuls of tilted-putted second valve seats 6 of first passage；Also include drive rod 5 and two
First flashboard 3 corresponding with the first valve seat 6 and second flashboard corresponding with the second valve seat 6 for rotating are driven by valve rod 4
3；Equipped with the first cavity of accommodating drive rod 5 in valve rod 4, the sliding block 41 for moving up and down is provided with the first cavity, sliding block 41 is wrapped
The articulated section 411 in the upper end of sliding block 41 is included, sliding block 41 is articulated by articulated section 411 with drive rod 5；The perisporium of sliding block 41 is provided with
First projection 412, is provided with the first sliding groove 42 slided for the first projection 412 in the first cavity；The bottom of valve body 1 is provided with lower pivot joint
Portion 11, lower articulated section 11 is included near 12 mouthfuls of first passage and first time articulated section 11 for being articulated with the first flashboard 3 and close
12 mouthfuls of second channel and the second time articulated section 11 being articulated with the second flashboard 3；The lower end of valve rod 4 is provided with articulated section 21, upper pivot
Socket part 21 includes that on articulated section 21 and second articulated section 21 on first, and pass through can be towards for the flashboard 3 of articulated section 21 and first on first
The head rod 211 that the direction of one valve seat 6 swings is articulated, and pass through can be towards the second valve for the flashboard 3 of articulated section 21 and second on second
The second connecting rod 211 that 6 directions of seat swing is articulated；The second cavity slided up and down for upper articulated section 21 is provided with bonnet 2.
Further, the first flashboard 3 include being engaged with the first valve seat 6 first sealing face of sealing and with the first envelope
The opposite back side of the first flashboard 3 in mouth face, the back side of the first flashboard 3 is provided with the first pivot joint block 31 connected with connecting rod 211；The
Two flashboards 3 include being engaged the second sealing face of sealing and second flashboard 3 opposite with the second sealing face with the second valve seat 6
The back side, the back side of the second flashboard 3 is provided with the second pivot joint block 31 connected with connecting rod 211；Articulated section 21 has water on first
Square to extending and rotating shaft on vertical with fluid transmission direction first, on second articulated section 21 have horizontal direction extend and with
Fluid transmission direction it is vertical second on rotating shaft, there is the first pivot joint block 31 horizontal direction to extend and vertical with fluid transmission direction
The first lower rotary shaft, there is the second pivot joint block 31 horizontal direction to extend and second lower rotary shaft vertical with fluid transmission direction.
Directly drive rod 5 can be extracted out from the first cavity when using, 90 degree and valve are bent then along articulated section
Bar 4 is vertical, now promotes drive rod 5 to be rotated around articulated section, and articulated section band ovable valve stem 4 is rotated, and valve rod 4 drives upper articulated section 21
It is raised above, upper articulated section 21 drives that connecting rod 221 pulls flashboard 3, flashboard 3 is carried out around upper articulated section 21 in rotary moving,
So that state of the invention in opening, easy to be laborsaving time saving when using；The perisporium of sliding block 41 sets the first projection 412, can make cunning
It is dynamic more steady, while the top edge that the first projection 412 is stuck in the first sliding groove 42 can play spacing effect, driven rotating
When bar 5, the first projection 412 blocks sliding groove, additionally it is possible to the rotation with ovable valve stem 4.
Preferably, sealing face is equipped with resilient seal layer 32.Resilient seal layer 32 is easy to sealing, resilient seal 32 material of layer
Can be rubber layer or other resilient seals of tool.
Preferably, resilient seal layer 32 is included near the bottom face of the side of lower articulated section 11 and away from the side of lower articulated section 11
Top end face, resilient seal layer 32 thickness be gradually incremented by by top end face to bottom face.The motion path of bottom face is shorter, bottom face
Reaching identical type variable bottom face with top end face can first contact valve seat 6, therefore bottom face thickness is more than top end face during design
Thickness is easy to the rotation of valve seat 6, and tolerance scope increase, the effect for using is more preferable.
Preferably, the spherical shape in face is sealed.Dome shape flashboard 3 is easy to tight seal passway.
Further, upper articulated section 21 is connected through a screw thread with valve rod 4, and all edges in the upper end of upper articulated section 21 are provided with uniform arrangement
The second projection 212, the second cavity madial wall is provided with the second sliding groove 22 slided up and down for the second projection 212；The upper end of valve rod 4
It is connected together with the upper end of bonnet 2；The lower section of second sliding groove 22 is provided with prevents the second projection 212 from departing from the spacing following of sliding groove
Edge.Upper articulated section 21 be provided with the second projection 212 be conducive on articulated section 21 slide up and down, while articulated section 21 can be limited
Scope of activities, articulated section 21 is rotated with valve rod 4, spacing lower edge prevents articulated section 21 from coming off.
Further, the neighboring section of upper articulated section 21 is in polygon, and the second cavity cross section is and the phase of upper articulated section 21
The polygon of matching.Help to be rotated with ovable valve stem 4 using drive rod 5, mitigate the stress of the second projection 212, prevent second convex
Block 212 deformation effect articulated section slides up and down.
Further, the section of sliding block 41 is in polygon, and the first cavity cross section is the polygon matched with sliding block 41.It is easy to
Stress is blocked, it is convenient to rotate, while protecting the first projection 412.
Further, lower articulated section 11 and upper articulated section 21 are equipped with torsion spring.Make flashboard 3 that there is the power driven to both sides.
Further, opened between the first flashboard 3 and the second flashboard 3 and be provided with stage clip.Equally have flashboard 3 to be driven to both sides
Power.
In the present case, flashboard 3, valve seat 6, upper articulated section 21, lower articulated section 11 do not have actual difference, in claim
Description first, first merely to more clearly describe overall structure, therefore by the first flashboard 3, the in the mark of accompanying drawing
Two flashboards 3 are referred to as flashboard 3, and valve seat 6, upper articulated section 21 and the mask method of lower articulated section 11 are ibid.
Product form of the invention is not limited to this case diagram and embodiment, and anyone carries out the appropriate of similar thinking to it
Change is modified, and all should be regarded as not departing from patent category of the invention.
Claims (10)
1. the dark bar seal gate valve of a kind of rocker-type, including valve body, bonnet and valve rod, the bonnet are connected to the valve body top,
The valve rod is connected with the bonnet, and the valve inner has the passage that water supply stream passes through, and the passage includes first passage
Mouth and second channel mouthful；
It is characterized in that first passage mouth is provided with from top to bottom to tilted-putted first valve seat of second channel mouthful, described the
Two passways are provided with from top to bottom to tilted-putted second valve seat of first passage mouthful；Also the valve is received including drive rod and two
Bar drives first flashboard corresponding with the first valve seat and second flashboard corresponding with the second valve seat for rotating；
Equipped with the first cavity of accommodating drive rod in the valve rod, the sliding block for moving up and down, institute are provided with first cavity
Stating sliding block includes the articulated section in upper end of slide block, and the sliding block is articulated by the articulated section with the drive rod；It is described
Sliding block perisporium is provided with the first projection, and the first sliding groove slided for first projection is provided with first cavity；
The body base is provided with lower articulated section, the lower articulated section include near the first passage mouthful and with the first flashboard phase
First time articulated section of pivot joint and close second channel mouth and second time articulated section being articulated with the second flashboard；The valve
Bar lower end is provided with articulated section, and the upper articulated section includes that on articulated section and second articulated section on first, is pivotally connected on described first
Portion and the first flashboard are articulated by the head rod that can be swung towards the first valve seat direction, on described second articulated section with
Second flashboard is articulated by the second connecting rod that can be swung towards the second valve seat direction；It is provided with the bonnet for upper pivot joint
The second cavity that portion slides up and down.
2. the dark bar seal gate valve of rocker-type according to claim 1, it is characterised in that first flashboard include with it is described
First valve seat is engaged the first sealing face and the first flashboard back side opposite with the first sealing face of sealing, described
One flashboard back side is provided with the first pivot joint block connected with connecting rod；Second flashboard includes matching with second valve seat
The second sealing face and the second flashboard back side opposite with the described second sealing face of sealing are closed, on the second flashboard back side
Side is provided with the second pivot joint block connected with connecting rod；On described first articulated section have horizontal direction extend and with fluid transmission side
To rotating shaft on vertical first, there is horizontal direction to extend and vertical with fluid transmission direction second for articulated section on described second
There is upper rotating shaft, first pivot joint block horizontal direction to extend and first lower rotary shaft vertical with fluid transmission direction, and described the
There is two pivot joint blocks horizontal direction to extend and second lower rotary shaft vertical with fluid transmission direction.
3. the dark bar seal gate valve of rocker-type according to claim 2, it is characterised in that the sealing face arranges flexible envelope
Mouth layer.
4. the dark bar seal gate valve of rocker-type according to claim 3, it is characterised in that the resilient seal layer includes being close to
The bottom face of lower articulated section side and the top end face away from lower articulated section side, resilient seal thickness degree is by top end face to bottom face
Gradually it is incremented by.
5. the dark bar seal gate valve of rocker-type according to claim 2, it is characterised in that the spherical shape in sealing face.
6. the dark bar seal gate valve of rocker-type according to claim 1, it is characterised in that the upper articulated section and the valve rod
It was connected through a screw thread, the upper articulated section upper end week, the second cavity madial wall set along the second projection for being provided with uniform arrangement
There is the second sliding groove slided up and down for second projection；The valve rod upper end is connected together with the bonnet upper end；Institute
State the second sliding groove lower section and be provided with the spacing lower edge for preventing the second projection from departing from sliding groove.
7. the dark bar seal gate valve of rocker-type according to claim 1, it is characterised in that the upper articulated section neighboring is cut
Face is in polygon, and second cavity cross section is the polygon matched with the upper articulated section.
8. the dark bar seal gate valve of rocker-type according to claim 1, it is characterised in that the sliding block section is in polygon, institute
It is the polygon matched with the rocking bar to state the first cavity cross section.
9. the dark bar seal gate valve of rocker-type according to claim 1, it is characterised in that the lower articulated section and the upper pivot
Socket part is equipped with torsion spring.
10. the dark bar seal gate valve of rocker-type according to claim 1, it is characterised in that first flashboard and described second
Opened between flashboard and be provided with stage clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710079969.6A CN106763817A (en) | 2017-02-15 | 2017-02-15 | A kind of dark bar seal gate valve of rocker-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710079969.6A CN106763817A (en) | 2017-02-15 | 2017-02-15 | A kind of dark bar seal gate valve of rocker-type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106763817A true CN106763817A (en) | 2017-05-31 |
Family
ID=58958184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710079969.6A Pending CN106763817A (en) | 2017-02-15 | 2017-02-15 | A kind of dark bar seal gate valve of rocker-type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106763817A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271476A (en) * | 2020-01-20 | 2020-06-12 | 陈少同 | Stop valve |
| CN116066586A (en) * | 2023-04-06 | 2023-05-05 | 青岛开元阀门有限公司 | Valve for tap water inlet main way |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR503889A (en) * | 1918-09-17 | 1920-06-19 | Camillo Vaccarezza | Double seat valve |
| FR603731A (en) * | 1925-09-28 | 1926-04-22 | Zimmermann & Jansen Gmbh | Two-plate valve |
| JP2003139266A (en) * | 2001-10-31 | 2003-05-14 | Applied Materials Inc | Handle operation auxiliary device for valve |
| CN203463773U (en) * | 2013-09-29 | 2014-03-05 | 应晓燕 | Valve |
| CN206555459U (en) * | 2017-02-15 | 2017-10-13 | 福建省兴达阀门制造有限公司 | A kind of dark bar seal gate valve of rocker-type |
-
2017
- 2017-02-15 CN CN201710079969.6A patent/CN106763817A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR503889A (en) * | 1918-09-17 | 1920-06-19 | Camillo Vaccarezza | Double seat valve |
| FR603731A (en) * | 1925-09-28 | 1926-04-22 | Zimmermann & Jansen Gmbh | Two-plate valve |
| JP2003139266A (en) * | 2001-10-31 | 2003-05-14 | Applied Materials Inc | Handle operation auxiliary device for valve |
| CN203463773U (en) * | 2013-09-29 | 2014-03-05 | 应晓燕 | Valve |
| CN206555459U (en) * | 2017-02-15 | 2017-10-13 | 福建省兴达阀门制造有限公司 | A kind of dark bar seal gate valve of rocker-type |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271476A (en) * | 2020-01-20 | 2020-06-12 | 陈少同 | Stop valve |
| CN116066586A (en) * | 2023-04-06 | 2023-05-05 | 青岛开元阀门有限公司 | Valve for tap water inlet main way |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203604679U (en) | Hydraulic plunger type parallel opening flat gate valve | |
| CN206555459U (en) | A kind of dark bar seal gate valve of rocker-type | |
| CN106763817A (en) | A kind of dark bar seal gate valve of rocker-type | |
| CN206668991U (en) | A kind of soft seat butterfly valve of novel sealing structure | |
| CN206600484U (en) | One kind is without friction sealed gate valve | |
| CN204114254U (en) | self-closing stop valve | |
| CN204573197U (en) | A kind of ball-type cock | |
| CN204153179U (en) | Self-closing stop valves | |
| CN103591326A (en) | Top entry low temperature ball valve | |
| CN109139938A (en) | A kind of shut-off valve | |
| CN210830569U (en) | Integral type flange forging and pressing ball valve | |
| CN203560492U (en) | Top-entry type low-temperature ball valve | |
| CN109027274A (en) | A kind of bimetallic (spring cone) seal elasticity antiscour structure and its shut-off valve | |
| CN203823103U (en) | Novel parallel gate valve | |
| CN207349474U (en) | A kind of wedge action valve of stabilized seal | |
| CN106763872B (en) | Prevent outer V type ball valve that leaks | |
| CN105065699A (en) | Gate valve | |
| CN206626192U (en) | A kind of gate valve | |
| CN206958278U (en) | It is a kind of to improve valve plate and the butterfly valve of sealing structure | |
| CN206668993U (en) | A kind of butterfly valve for preventing unilateral compression seepage and top leaky | |
| CN207261693U (en) | A kind of bimetallic (spring cone) seal elasticity antiscour structure and its shut-off valve | |
| CN206274077U (en) | A kind of stop valve of good airproof performance | |
| CN203906857U (en) | Fixed type ball valve | |
| CN109882648A (en) | A kind of water supply pipe current limliting sealing valve | |
| CN203868365U (en) | Quick-opening stop 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |