CN208605649U - A kind of butterfly valve - Google Patents
A kind of butterfly valve Download PDFInfo
- Publication number
- CN208605649U CN208605649U CN201821335479.4U CN201821335479U CN208605649U CN 208605649 U CN208605649 U CN 208605649U CN 201821335479 U CN201821335479 U CN 201821335479U CN 208605649 U CN208605649 U CN 208605649U
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- CN
- China
- Prior art keywords
- valve body
- valve
- butterfly
- butterfly plate
- handlebar
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of butterfly valves, including valve body, butterfly plate, valve rod and handle, the butterfly plate is set in valve body, the valve rod passes through valve body and connect with butterfly plate, the valve rod is connect with handle, the handle drives butterfly plate to be rotated by valve rod, the valve body corresponds to butterfly plate two sides and is respectively arranged with input terminal and output end, the valve body corresponds to input terminal side and is provided with filter device, the filter device includes filter screen, sealing ring and switch cover, placing groove is provided in the valve body, the filter screen and seal groove are matched with placing groove, the switch cover is set to valve body and corresponds at placing groove and match with placing groove, described switch cover one end is flexibly connected with valve body, the switch cover other end is provided with connector, the valve body, which is correspondingly connected at part, is provided with attachment base, the connector matches with attachment base.The utility model is the problem of impurity solved in pipeline medium cannot filter, and butterfly plate is easy to wear, butterfly valve inconvenient maintenance, provides a kind of butterfly valve.
Description
Technical field
The utility model relates to butterfly valve technical fields, and in particular to a kind of butterfly valve.
Background technique
Butterfly valve is called flap valve, is a kind of simple regulating valve of structure, can be used for the switch control of low pressure pipeline medium
Butterfly valve refers to that closure member (flap or butterfly plate) is disk, a kind of valve of open and close is reached around valve shaft rotation, valve can
For controlling the various types such as empty gas and water, steam, various corrosive medias, mud, oil product, liquid metal and radiating medium
The flowing of fluid.Cutting and throttling action are mainly played on pipeline.Butterfly valve opening and closing element is a discoidal butterfly plate, in valve body
Axis around its own rotates, to achieve the purpose that opening and closing or adjusting.
Butterfly valve structure on existing market is complicated, has a single function, and when controlling the flow of media in pipeline, cannot play pair
The filtration of medium, impurity present in medium easily cause to wear to the closure member of butterfly valve, sealing element, lead to butterfly valve seal
It can be deteriorated, and need to be difficult to dismantle when butterfly valve is repaired or replaced sealing element, cannot easily replace internal components
And it is not easy to carry out internal overhaul to butterfly valve.
Utility model content
Purpose of the utility model is to solve the impurity in pipeline medium in the prior art to filter, the pass of butterfly valve
The problem of closing member, sealing element are easy to wear, butterfly valve inconvenient maintenance provides a kind of butterfly valve.
To achieve the above object, the utility model provides following technical solution: a kind of butterfly valve, including valve body, butterfly plate, valve
Bar and handle, the butterfly plate are set in valve body, and the valve rod passes through valve body and connect with butterfly plate, and the valve rod is connect with handle,
The handle drives butterfly plate to be rotated by valve rod, and the valve body corresponds to butterfly plate two sides and is respectively arranged with input terminal and output
End, the valve body correspond to input terminal side and are provided with filter device, and the filter device includes filter screen, sealing ring and switch
It covers, is provided with placing groove in the valve body, the filter screen and seal groove are matched with placing groove, and the switch cover is set to valve
Body is corresponded at placing groove and is matched with placing groove, and described switch cover one end is flexibly connected with valve body, the switch cover other end
It is provided with connector, the valve body, which is correspondingly connected at part, is provided with attachment base, and the connector matches with attachment base.
By using above-mentioned technical proposal, it is provided with filter device on valve body, and is set to the two sides of butterfly plate, it can will be defeated
Enter contaminant filter present in the medium that end flows into, makes impurity not cause to wear to the butterfly plate at filter device rear, placing groove
It can be fixed with interior filter screen with sealing ring to placing, make filter screen and sealing ring that position will not occur in media flow
Offset, filter screen are set to valve body input terminal side, impurity present in medium can be filtered before flowing into valve body, subtracted
Abrasion of few excessive impurity to butterfly plate；Switch cover is set on valve body corresponding with placing groove, and switch cover and valve body activity connect
Switch cover is connect to match with placing groove, it, can be by turning on the switch when needing that sealing ring or filter screen are repaired, replaced
Lid, in placing groove sealing ring or filter screen repair, replace, the connector on switch cover and the attachment base phase on valve body
Cooperation can be realized the connection of switch cover and valve body by nut or cancel connection.
The utility model is further arranged: the sealing ring is set to the filter screen relative input end other side, the filtering
Net, sealing ring and placing groove are interference fitted.
By using above-mentioned technical proposal, sealing ring is set to the rear of filter screen, and when medium flow field is fashionable, filter screen can be right
Sealing ring shields, and the impurity in medium is avoided to wear sealing ring, extension sealing ring physical life, filter screen,
Sealing ring, placing groove interference fit are, it can be achieved that filter screen, sealing ring are more firm, are closely set in placing groove.
The utility model is further arranged: the valve body corresponds to output end side and is also equipped with the filter device, corresponding
The filter screen aperture of the filter device of the output end is less than the filter screen aperture of the filter device of the corresponding output end.
By using above-mentioned technical proposal, output end side is also equipped with filter device, and the filter screen of output end side
Aperture is less than input terminal side filter screen aperture, can impurity input terminal is not filtrable, less than filter input terminal screen distance
Filtering, avoids abrasion of the impurity to pipeline, butterfly plate later.
The utility model is further arranged: connection component, the connection component packet are provided between the valve rod and butterfly plate
Locking piece, fastener and the valve stem sleeve being set on butterfly plate are included, the valve rod matches with valve stem sleeve, the locking piece, valve rod
And butterfly plate matches, and fixed hole is provided on the locking piece, the valve rod and butterfly plate, which correspond to, is provided with fixation at locking piece
Hole, the fixed hole are connect with fixation hole by fastener.
By using above-mentioned technical proposal, the fixation to match with the fixed hole of locking piece is provided on valve rod and butterfly plate
Hole is fixed butterfly plate and valve rod by locking piece, fastener when valve rod passes through the valve stem sleeve on butterfly plate, realizes that handle drives
Ovable valve stem drives butterfly plate to be rotated, to realize the state that butterfly valve opens or closes；By locking piece, disassembly of fastener, valve rod
It can be extracted out out of butterfly plate valve stem sleeve, realize the disassembly of valve rod and butterfly plate, the convenient replacement to butterfly plate, valve rod, maintenance.
The utility model is further arranged: the handle includes the interconnecting piece connecting with valve rod, matches with interconnecting piece
Handlebar, is provided with limiting device between the handle and valve body, the limiting device include the limit film being set on valve body,
The bending component being set on handle is provided with limiting slot in the limit film, and the limiting slot matches with handlebar.
By using above-mentioned technical proposal, handle can carry out bending campaign by bending component, when handle is bent downward, hand
Shank is mutually matched with limit film upper limit position groove, is clamped, and realizes the limit between handle and valve body, and accidentally touching, maloperation is avoided to lead
Butterfly plate state is caused to change；When needing to drive butterfly plate to rotate using handle drives valve rod, handle is bent by bending component
It resets, realizes the contact of handle with valve body limit state, work normally handle.It can be bullet that component is bent in the utility model
Spring bends component, hinge bending component or other bending components.
The utility model is further arranged: the bending component includes the sliding channel being set on interconnecting piece, is set to hand
Connecting shaft and movable pulley in shank, the connecting shaft are set on handlebar two sidewalls, the movable pulley and connecting shaft phase
Match, the sliding channel matches with movable pulley, and the handlebar is matched with movable pulley by connecting shaft and can be rotated.
By using above-mentioned technical proposal, operator's operation handle driving stem drives butterfly plate rotation, turns to a positioning
When setting, handle is matched by movable pulley on handlebar, connecting shaft with the sliding channel on interconnecting piece, realizes the bending of handle.
Handlebar is slided in sliding channel by movable pulley, changes the positional relationship between interconnecting piece, then pass through connecting shaft and sliding
Relative rotation between wheel realizes the bending rotation of handlebar, when handlebar is bent downward, with limiting slot corresponding in limit film
Match, handlebar sticks into limiting slot, realizes to the position-limiting action of handlebar, butterfly plate is made to be always maintained at the unlatching under the position
Or closed state, and when handle is bent downward, it can avoid change of the maloperation to butterfly plate state.
The utility model is further arranged: the bending component further includes the clamping groove being set on interconnecting piece, lower support
Block and the clip-connecting rod being set on handlebar, the clamping groove match with clip-connecting rod, and the lower supporting block is set to interconnecting piece
On bottom surface, the top surface of the lower supporting block is matched with the bottom surface of handlebar.
By using above-mentioned technical proposal, the clamping groove on interconnecting piece is matched with the clip-connecting rod on handlebar, lower supporting block
Top surface abuts against with handlebar bottom surface, cooperates, and handlebar is mutually clamped, hand after bending resets by clip-connecting rod and clamping groove
Shank bottom surface and lower supporting block top surface are abutted against, are cooperated, it can be achieved that bending the connection of interconnecting piece and handlebar after reset.
The utility model is further arranged: at least two locating slots, the locating slot and cunning are provided in the sliding channel
Driving wheel matches.
By using above-mentioned technical proposal, the locating slot to match with movable pulley is provided in sliding channel, when interconnecting piece with
When handlebar is connected, movable pulley is matched with the locating slot close to clamping groove, realizes opponent when interconnecting piece is connect with handlebar
The position-limiting action of shank；Interconnecting piece is separated with handlebar, and when handlebar is bent downward, movable pulley is matched with another locating slot,
Position-limiting action when bending downward to handlebar can be achieved.
With reference to the accompanying drawing and specific embodiment is described further the utility model.
Detailed description of the invention
Fig. 1 is the overall structure of the explosion figure of the utility model embodiment；
Fig. 2 is the overall structure diagram of the utility model embodiment；
Fig. 3 is the partial structure sectional view one of the utility model embodiment；
Fig. 4 is the partial structurtes explosive view of the utility model embodiment；
Fig. 5 is the portion A enlarged drawing in Fig. 4；
Fig. 6 is the partial structure sectional view two of the utility model embodiment.
Appended drawing reference: valve body -1, butterfly plate -2, valve rod -3, handle -4, input terminal -101, output end -102, filter screen -
103, sealing ring -104, switch cover -105, placing groove -106, connector -1051, attachment base -1052, locking piece -201, fastening
Part -202, valve stem sleeve -203, fixed hole -204, fixation hole -205, interconnecting piece -401, handlebar -402, limit film -403, limit
Position slot -4031, sliding channel -404, connecting shaft -405, movable pulley -406, clamping groove -407, lower supporting block -408, clip-connecting rod -
409, locating slot -410.
Specific embodiment
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
It is described present embodiment discloses a kind of butterfly valve, including valve body 1, butterfly plate 2, valve rod 3 and handle 4 referring to attached drawing 1-6
Butterfly plate 2 is set in valve body 1, and the valve rod 3 passes through valve body 1 and connect with butterfly plate 2, and the valve rod 3 is connect with handle 4, the hand
Handle 4 drives butterfly plate 2 to be rotated by valve rod 3, and corresponding 2 two sides of butterfly plate of the valve body 1 are respectively arranged with input terminal 101 and output
End 102, corresponding 101 side of input terminal of the valve body 1 are provided with filter device, and the filter device includes filter screen 103, sealing
104 and switch cover 105 are enclosed, placing groove 106, the filter screen 103 and seal groove and placing groove 106 are provided in the valve body 1
It matches, the switch cover 105 is set at the corresponding placing groove 106 of valve body 1 and matches with placing groove 106, the switch cover
105 one end are flexibly connected with valve body 1, and 105 other end of switch cover is provided with connector 1051, and the valve body 1 is correspondingly connected with
Attachment base 1052 is provided at part 1051, the connector 1051 matches with attachment base 1052.By using above-mentioned technical side
Case is provided with filter device on valve body 1, and is set to the two sides of butterfly plate 2, can will exist in medium that input terminal 101 flows into
Contaminant filter, make impurity will not the butterfly plate 2 to filter device rear cause to wear, placing groove 106 can be to placing and interior mistake
Strainer 103 is fixed with sealing ring 104, so that filter screen 103 with sealing ring 104 position will not be occurred in media flow inclined
It moves, filter screen 103 is set to 1 input terminal of valve body, 101 side, can carry out impurity present in medium before flowing into valve body 1
Filtering, reduces abrasion of the excessive impurity to butterfly plate 2；Switch cover 105 is set on valve body 1 corresponding with placing groove 106, switch
Lid 105 is flexibly connected switch cover 105 with valve body 1 and matches with placing groove 106, when need to sealing ring 104 or filter screen 103 into
Row maintenance, replacement when, can by turning on the switch lid 105, in placing groove 106 sealing ring 104 or filter screen 103 tie up
It repairs, replace, the connector 1051 on switch cover 105 is matched with the attachment base 1052 on valve body 1, can be realized and be switched by nut
Connection is cancelled in the connection of lid 105 and valve body 1.
The present embodiment is further arranged: the sealing ring 104 is set to 103 relative input end of filter screen, 101 other side, institute
Filter screen 103, sealing ring 104 and placing groove 106 is stated to be interference fitted.By using above-mentioned technical proposal, sealing ring 104 is set to
The rear of filter screen 103, when medium flow field is fashionable, filter screen 103 can shield to sealing ring 104, avoid miscellaneous in medium
Confrontation sealing ring 104 is worn, and 104 physical life of sealing ring, filter screen 103, sealing ring 104,106 interference of placing groove are extended
Cooperation is, it can be achieved that filter screen 103, sealing ring 104 are more firm, are closely set in placing groove 106.
The present embodiment is further arranged: corresponding 102 side of output end of the valve body 1 is also equipped with the filter device, right
103 aperture of filter screen of the filter device of the output end 102 is answered to be less than the filtering of the filter device of the corresponding output end 102
103 aperture of net.By using above-mentioned technical proposal, 102 side of output end is also equipped with filter device, and 102 side of output end
103 aperture of filter screen be less than 101 side filter screen of input terminal, 103 aperture, can input terminal 101 is not filtrable, be less than it is defeated
The contaminant filter for entering end 101 filter screen, 103 aperture, avoids abrasion of the impurity to pipeline, butterfly plate 2 later.
The present embodiment is further arranged: connection component, the connection component packet are provided between the valve rod 3 and butterfly plate 2
Locking piece 201, fastener 202 and the valve stem sleeve 203 being set on butterfly plate 2 are included, the valve rod 3 matches with valve stem sleeve 203, institute
It states locking piece 201, valve rod 3 and butterfly plate 2 to match, fixed hole 204, the valve rod 3 and butterfly is provided on the locking piece 201
Fixation hole 205 is provided at the corresponding locking piece 201 of plate 2, the fixed hole 204 is connected with fixation hole 205 by fastener 202
It connects.By using above-mentioned technical proposal, it is provided on valve rod 3 and butterfly plate 2 and matches with the fixed hole 204 of locking piece 201
Fixation hole 205, when valve rod 3 passes through the valve stem sleeve 203 on butterfly plate 2, by locking piece 201, fastener 202 to butterfly plate 2 and valve rod 3
It is fixed, realizes that 4 driving stem 3 of handle drives butterfly plate 2 to be rotated, to realize the state that butterfly valve opens or closes；It will
Locking piece 201, fastener 202 are dismantled, and valve rod 3 can be extracted out out of butterfly plate 2 valve stem sleeve 203, realize the disassembly of valve rod 3 and butterfly plate 2,
The convenient replacement to butterfly plate 2, valve rod 3, maintenance.
The present embodiment is further arranged: the handle 4 includes the interconnecting piece 401 connecting with valve rod 3 and 401 phase of interconnecting piece
The handlebar 402 of cooperation, is provided with limiting device between the handle 4 and valve body 1, the limiting device includes being set to valve body
Limit film 403 on 1, the bending component being set on handle 4 are provided with limiting slot 4031, the limit in the limit film 403
Position slot 4031 matches with handlebar 402.By using above-mentioned technical proposal, handle 4 can carry out bending fortune by bending component
Dynamic, when handle 4 is bent downward, handlebar 402 is mutually matched with 403 upper limit position groove 4031 of limit film, is clamped, realize handle 4 and
Limit between valve body 1 avoids accidentally touching, maloperation that 2 state of butterfly plate is caused to change；When need using 4 driving stem 3 of handle drive
When butterfly plate 2 rotates, handle 4 carries out bending reset by bending component, realizes that handle 4 limits the contact of state with valve body 1, makes hand
Handle 4 works normally.Component is bent in the utility model can bend component, hinge bending component or other bending groups for spring
Part.
The present embodiment is further arranged: the bending component includes the sliding channel 404 being set on interconnecting piece 401, setting
In connecting shaft 405 and movable pulley 406 on handlebar 402, the connecting shaft 405 is set on 402 two sidewalls of handlebar, described
Movable pulley 406 matches with connecting shaft 405, and the sliding channel 404 matches with movable pulley 406, and the handlebar 402 passes through company
Spindle 405 is matched with movable pulley 406 and can be rotated.By using above-mentioned technical proposal, 4 driving stem of operator's operation handle
3 drive butterfly plates 2 to rotate, and when turning to certain position, handle 4 passes through movable pulley 406 on handlebar 402, connecting shaft 405 and even
Sliding channel 404 in socket part 401 matches, and realizes the bending of handle 4.Handlebar 402 is by movable pulley 406 in sliding channel 404
Interior sliding, the positional relationship between change and interconnecting piece 401, then pass through opposite turn between connecting shaft 405 and movable pulley 406
It is dynamic, the bending rotation of handlebar 402 is realized, when handlebar 402 is bent downward, with limiting slot 4031 corresponding in limit film 403
Match, handlebar 402 sticks into limiting slot 4031, realizes to the position-limiting action of handlebar 402, butterfly plate 2 is made to be always maintained at this
State is opened or closed under position, and when handle 4 is bent downward, can avoid change of the maloperation to 2 state of butterfly plate.
The present embodiment is further arranged: the bending component further include the clamping groove 407 being set on interconnecting piece 401, under
Supporting block 408 and the clip-connecting rod 409 being set on handlebar 402, the clamping groove 407 matches with clip-connecting rod 409, under described
Supporting block 408 is set on 401 bottom surface of interconnecting piece, and the top surface of the lower supporting block 408 and the bottom surface of handlebar 402 match
It closes.By using above-mentioned technical proposal, the clamping groove 407 on interconnecting piece 401 is matched with the clip-connecting rod 409 on handlebar 402, under
408 top surface of supporting block abuts against with 402 bottom surface of handlebar, cooperates, handlebar 402 bending reset after, by clip-connecting rod 409 with
After clamping groove 407 is mutually clamped, 402 bottom surface of handlebar is abutted against, cooperated with lower 408 top surface of supporting block, it can be achieved that bending reset
The connection of interconnecting piece 401 and handlebar 402.
The present embodiment is further arranged: at least two locating slots 410, the locating slot are provided in the sliding channel 404
410 match with movable pulley 406.By using above-mentioned technical proposal, it is provided in sliding channel 404 and matches with movable pulley 406
Locating slot 410, when interconnecting piece 401 is connected with handlebar 402, movable pulley 406 and close to clamping groove 407 locating slot
410 match, and realize position-limiting action when interconnecting piece 401 is connect with handlebar 402 to handlebar 402；Interconnecting piece 401 and handle
Bar 402 separates, and when handlebar 402 is bent downward, movable pulley 406 is matched with another locating slot 410, it can be achieved that handlebar
402 position-limiting action when bending downward.
Although valve body -1, butterfly plate -2, valve rod -3, handle -4, input terminal -101, output end-is used more herein
102, filter screen -103, sealing ring -104, switch cover -105, placing groove -106, connector -1051, attachment base -1052, locking
Part -201, fastener -202, valve stem sleeve -203, fixed hole -204, fixation hole -205, interconnecting piece -401, handlebar -402, limit
Bit slice -403, limiting slot -4031, sliding channel -404, connecting shaft -405, movable pulley -406, clamping groove -407, lower supporting block -
408, clip-connecting rod -409, locating slot -410, but it does not exclude the possibility of using other terms.It the use of these terms is only to be
It is more convenient to describe and explain the essence of the utility model；Being construed as any additional limitation is all and this reality
It is disagreed with novel spirit.
Claims (8)
1. a kind of butterfly valve, including valve body, butterfly plate, valve rod and handle, the butterfly plate are set in valve body, the valve rod passes through valve body
It is connect with butterfly plate, the valve rod is connect with handle, and the handle drives butterfly plate to be rotated by valve rod, and the valve body corresponds to butterfly
Plate two sides are respectively arranged with input terminal and output end, it is characterised in that: the valve body corresponds to input terminal side and is provided with filtering dress
Set, the filter device includes filter screen, sealing ring and switch cover, be provided with placing groove in the valve body, the filter screen and
Seal groove is matched with placing groove, and the switch cover is set to valve body and corresponds at placing groove and match with placing groove, described to open
The one end Guan Gai is flexibly connected with valve body, and the switch cover other end is provided with connector, and the valve body, which is correspondingly connected at part, to be arranged
There is attachment base, the connector matches with attachment base.
2. a kind of butterfly valve according to claim 1, it is characterised in that: the sealing ring is set to filter screen relative input end
The other side, the filter screen, sealing ring and placing groove are interference fitted.
3. a kind of butterfly valve according to claim 1, it is characterised in that: the valve body corresponds to output end side and is also provided with
Filter device is stated, the filter screen aperture of the filter device of the corresponding output end is less than the filter device of the corresponding output end
Filter screen aperture.
4. a kind of butterfly valve according to claim 1, it is characterised in that: be provided with connection group between the valve rod and butterfly plate
Part, the connection component include locking piece, fastener and the valve stem sleeve being set on butterfly plate, the valve rod and valve stem sleeve phase
Match, the locking piece, valve rod and butterfly plate match, and fixed hole is provided on the locking piece, and the valve rod and butterfly plate are corresponding
Fixation hole is provided at locking piece, the fixed hole is connect with fixation hole by fastener.
5. a kind of butterfly valve according to claim 1, it is characterised in that: the handle include the interconnecting piece being connect with valve rod,
The handlebar matched with interconnecting piece, is provided with limiting device between the handle and valve body, the limiting device includes setting
In being provided with limiting slot in the limit film on valve body, the bending component that is set on handle, the limit film, the limiting slot with
Handlebar matches.
6. a kind of butterfly valve according to claim 5, it is characterised in that: the bending component includes being set on interconnecting piece
Sliding channel, the connecting shaft being set on handlebar and movable pulley, the connecting shaft are set on handlebar two sidewalls, the sliding
Wheel matches with connecting shaft, and the sliding channel matches with movable pulley, and the handlebar is matched by connecting shaft with movable pulley
It can rotate.
7. a kind of butterfly valve according to claim 6, it is characterised in that: the bending component further includes being set on interconnecting piece
Clamping groove, lower supporting block and the clip-connecting rod being set on handlebar, the clamping groove matches with clip-connecting rod, the lower support
Block is set on interconnecting piece bottom surface, and the top surface of the lower supporting block is matched with the bottom surface of handlebar.
8. a kind of butterfly valve according to claim 6, it is characterised in that: be provided at least two positioning in the sliding channel
Slot, the locating slot match with movable pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821335479.4U CN208605649U (en) | 2018-08-18 | 2018-08-18 | A kind of butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821335479.4U CN208605649U (en) | 2018-08-18 | 2018-08-18 | A kind of butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208605649U true CN208605649U (en) | 2019-03-15 |
Family
ID=65680431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821335479.4U Expired - Fee Related CN208605649U (en) | 2018-08-18 | 2018-08-18 | A kind of butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208605649U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577909A (en) * | 2020-05-14 | 2020-08-25 | 凯斯特阀门集团有限公司 | Butterfly valve filtering mechanism |
| CN113280129A (en) * | 2021-05-25 | 2021-08-20 | 浙江立大阀门有限公司 | Manufacturing process of butterfly valve |
-
2018
- 2018-08-18 CN CN201821335479.4U patent/CN208605649U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577909A (en) * | 2020-05-14 | 2020-08-25 | 凯斯特阀门集团有限公司 | Butterfly valve filtering mechanism |
| CN113280129A (en) * | 2021-05-25 | 2021-08-20 | 浙江立大阀门有限公司 | Manufacturing process of butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190315 Termination date: 20190818 |
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| CF01 | Termination of patent right due to non-payment of annual fee |