CN108006245B - A kind of open-and-close mechanism of locking control valve - Google Patents
A kind of open-and-close mechanism of locking control valve Download PDFInfo
- Publication number
- CN108006245B CN108006245B CN201711273308.3A CN201711273308A CN108006245B CN 108006245 B CN108006245 B CN 108006245B CN 201711273308 A CN201711273308 A CN 201711273308A CN 108006245 B CN108006245 B CN 108006245B
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- Prior art keywords
- opening
- shell
- open
- close mechanism
- control valve
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Classifications
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
- F16K3/06—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/029—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with two or more gates
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
Abstract
The present invention relates to flow control valve fields, in particular to a kind of open-and-close mechanism of locking control valve, including Cylinder Shell and linkage open-and-close mechanism, linkage open-and-close mechanism includes the opening-closing plate that several shape sizes are all the same and are mutually fitted, cross sectional shape when all opening-closing plates are in same level in shell axial direction is circle, shell includes shell, inner casing and seal cover board, annular receiving groove is provided between shell and inner casing, seal cover board is bolted the top for closing at annular receiving groove, one is fixedly connected on each opening-closing plate for controlling the rotary shaft of opening-closing plate rotation, linkage is provided between every two adjacent opening-closing plate for making all opening-closing plates complete synchronous rotary, the open-and-close mechanism of the locking control valve of one kind of the invention, by a rotary shaft come the opening of control valve And closing, it is time saving and energy saving, while flow and flow rate can be freely adjusted on demand.
Description
Technical field
The present invention relates to flow control valve field, in particular to a kind of open-and-close mechanism of locking control valve.
Background technique
Valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, pressure stabilizing, shunting
Or the functions such as overflow pressure relief.For the valve of fluid control systems, from simplest shut-off valve to extremely complex robot control system(RCS)
Used in various valves, kind and specification are quite various, valve can be used for controlling empty gas and water, steam, various corrosivity be situated between
The flowing of the various types fluid such as matter, mud, oil product, liquid metal and radiating medium.
The structure of current valve is more complicated, completes moving process and needs to spend biggish strength, regulating valve is to fluid
The regulative mode of flow velocity and flow is also more troublesome, it is therefore necessary to it is simple and can freely adjust on demand to design a kind of structure
Valve open-and-close mechanism.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of open-and-close mechanism of locking control valve.
To solve the above problems, the present invention the following technical schemes are provided:
A kind of open-and-close mechanism of locking control valve, including Cylinder Shell and linkage open-and-close mechanism, link opening-closing machine
Structure is arranged in shell, and linkage open-and-close mechanism includes the opening-closing plate that several shape sizes are all the same and are mutually fitted, institute
Some opening-closing plates are in same plane, cross sectional shape when all opening-closing plates are in same level in shell axial direction
For circle, shell includes shell, inner casing and seal cover board, annular receiving groove is provided between shell and inner casing, seal cover board is logical
The fixed top for closing at annular receiving groove of bolt is crossed, one is fixedly connected on each opening-closing plate for controlling opening-closing plate rotation
The rotary shaft turned is provided with linkage between every two adjacent opening-closing plate for making all opening-closing plates complete synchronous rotation
Turn, linkage is arranged in annular receiving groove.
Preferably, it is integrally formed to be provided on the outer wall of the inner casing and be supported correspondingly with all rotary shafts respectively
Block is provided with a diamond shape compact heap in each supporting block, and each rotary shaft sequentially passes through corresponding supporting block and water chestnut respectively
Shape compact heap simultaneously stretches in annular receiving groove, and the sealing being arranged on the rotary shaft is provided between diamond shape compact heap and supporting block
Ring.
Preferably, the linkage includes that several are respectively fixedly connected with vertical connecting rod on the rotary shaft, and every two
The bottom of a adjacent vertical connecting rod passes through a upper horizon bar and a lower horizon bar is flexibly connected, upper horizon bar setting
Lower horizon bar top and be parallel to each other, all upper horizon bars and lower horizon bar are each perpendicular to vertical connecting rod.
Preferably, the top of the vertical connecting rod is equipped with an elastic clip being arranged on the rotary shaft, and elastic clip passes through
Bolt is adjusted by elastic clip and rotation axis clamping.
Preferably, the support axis with rotary shaft coaxial line, Suo Youkai are provided on the inside of all opening-closing plates
One is provided at circular central composed by plywood for fixing the Support tray of support axis, support axis is rotatably inserted in
In Support tray, Support tray is fixed at the center of all opening-closing plates by the humanoid bracket on the inner wall of shell side, humanoid bracket
It is parallel to each other with Support tray.
Preferably, the Support tray includes upper cover plate and lower cover plate, and upper cover plate is fixedly connected by screw with lower cover plate.
Preferably, there are three hollow support columns, lower cover plate to pass through long screw for setting between the humanoid bracket and lower cover plate
It sequentially passes through humanoid bracket and hollow support column is fixedly connected with humanoid bracket.
Preferably, all opening-closing plates are each perpendicular to the axial direction of shell, and all rotary shafts are each perpendicular to shell
It is axial.
The utility model has the advantages that the open-and-close mechanism of the locking control valve of one kind of the invention, using passing through a wherein rotary shaft
Rotation, drive vertical connecting rod to rotate, vertical connecting rod rotates and then drives upper horizon bar and lower horizon bar transverse shifting, on
The transverse shifting of horizon bar and lower horizon bar drives adjacent vertical connecting rod to rotate again, adjacent vertical connecting rod rotation and band
Corresponding opening-closing plate rotation is moved, therefore need to only rotate one of rotary shaft and the rotation of all opening-closing plates can be realized, thus real
Opening and closing of existing valve, and according to the difference of opening-closing plate opening and closing degree, valve allow by fluid flow and stream
Speed is also different, the open-and-close mechanism of the locking control valve of one kind of the invention, by a rotary shaft come the opening of control valve
And closing, it is time saving and energy saving, while flow and flow rate can be freely adjusted on demand.
Detailed description of the invention
Fig. 1 show locking control valve using state structure diagram；
Fig. 2 show locking control valve use state structural decomposition diagram；
Fig. 3 show locking control valve schematic perspective view one；
Fig. 4 show locking control valve schematic perspective view two；
Fig. 5 show locking control valve schematic perspective view three；
Fig. 6 show the schematic perspective view one of open-and-close mechanism；
Fig. 7 show the schematic perspective view two of open-and-close mechanism；
Fig. 8 show the schematic perspective view three of open-and-close mechanism；
Fig. 9 show enlarged drawing at the A of Fig. 8；
Description of symbols: shell 1, opening-closing plate 2, shell 3, inner casing 4, seal cover board 5, annular receiving groove 6, bolt 7, rotation
Shaft 8, axle sleeve 9, key 10, lockhole 11, support axis 12, Support tray 13, humanoid bracket 14, annular flange 15, screw hole 16, locking
Nut 17, ring compression plate 18, sealing ring 19, annular groove 20, pipeline 21, threaded hole 22, supporting block 23, diamond shape compact heap 24 are close
Seal ring 25, vertical connecting rod 26, upper horizon bar 27, lower horizon bar 28, upper cover plate 29, lower cover plate 30, screw 31, hollow support column
32, long screw 33, elastic clip 34 adjusts bolt 35.
Specific embodiment
With reference to the accompanying drawings of the specification and embodiment, specific embodiments of the present invention are described in further detail:
Referring to figs. 1 to the control valve that one kind shown in Fig. 9 is locking, including Cylinder Shell 1, linkage open-and-close mechanism and lock
Mechanism is controlled, linkage open-and-close mechanism is arranged in shell 1, and linkage open-and-close mechanism includes that several shape sizes are all the same and be mutually affixed
Close the opening-closing plate 2 of setting, all opening-closing plates 2 are in same plane, when all opening-closing plates 2 are in same level
Cross sectional shape in 1 axial direction of shell is circle, and shell 1 includes shell 3, inner casing 4 and seal cover board 5, between shell 3 and inner casing 4
It is provided with annular receiving groove 6, seal cover board 5 is by the fixed top for closing at annular receiving groove 6 of bolt 7, on each opening-closing plate 2
One is fixedly connected to for controlling the rotary shaft 8 of the rotation of opening-closing plate 2, is provided with connection between every two adjacent opening-closing plate 2
Dynamic device is used to that all opening-closing plates 2 to be made to complete synchronous rotary, and linkage is arranged in annular receiving groove 6, and lock control mechanism is set
It sets in a wherein rotary shaft 8 and lock control mechanism is embedded on the side wall of shell 3.
The lock control mechanism includes the axle sleeve 9 and pluggable key 10 being set in one of rotary shaft 8, and activity is inserted
The lockhole 11 being inserted into for key 10 is provided in the rotary shaft 8 being located in axle sleeve 9, lockhole 11 is arranged in rotary shaft 8 close to shell 3
One end and key 10 be inserted into lockhole 11 after can rotate the rotary shaft 8, open or be closed institute by rotation key 10
There is an opening-closing plate 2, it is convenient and laborsaving, while pulling out and can avoid irrelevant personnel after key 10 and arbitrarily open valve.
One end of each rotary shaft 8 is fixedly connected with the outer middle side part of opening-closing plate 2, and the other end runs through inner casing 4
It stretches in annular receiving groove 6, the one end of rotary shaft 8 far from opening-closing plate 2 with lockhole 11 is mobilizable to be plugged in axle sleeve 9, axis
Set 9 is embedded on 3 side wall of shell, and key 10 is inserted into lockhole 11 from shell 3, and rotation key 10 can drive rotary shaft 8 to realize
The opening and closing of all opening-closing plates 2.
The inside of all opening-closing plates 2 is provided with the support axis 12 of one with 8 coaxial line of rotary shaft, all opening-closing plates
One is provided at circular central composed by 2 for fixing the Support tray 13 of support axis 12, support axis 12 is rotatable to be inserted
In Support tray 13, Support tray 13 is fixed on the center of all opening-closing plates 2 by the humanoid bracket 14 on 1 side inner wall of shell
Place, humanoid bracket 14 and Support tray 13 are parallel to each other, and one section of opening-closing plate 2 connects inner casing 4 by rotary shaft 8, and the other end passes through
Support axis 12 is connect with Support tray 13, ensure that opening-closing plate 2 can be with the axis of rotary shaft 8 when being driven and being rotated by rotary shaft 8
For axis rotation.
Integrally formed with an annular flange 15, the end face outside of annular flange 15 on the lateral wall of described 3 one end of shell
It is flushed with the end face outside of shell 3 and inner casing 4, is equidistantly provided with several screw holes in annular flange 15 along its circumferencial direction
16, bolt 7 sequentially passes through the screw hole 16 on seal cover board 5 and annular flange 15 and is closed seal cover board 5 by locking nut 17
It closes and avoids part in annular receiving groove 6 after covering seal cover board 5 in the top of annular receiving groove 6 by artificial damage, sealing
There are circular hole identical with 21 caliber of pipeline at the center of cover board 5, pass through when being connect with pipeline 21 for the fluid in pipeline 21.
A ring compression plate 18 fitted closely with seal cover board 5, ring compression is arranged in the lateral ends of the inner casing 4
Plate 18 and seal cover board 5, which fit closely, prevents fluid from overflowing between inner casing 4 and seal cover board 5.
The both ends that the shell 3 is connect with pipeline 21 are provided with sealing ring 19, and sealing ring 19 is elastic rubber ring, pass through
Elastic rubber ring is come sealing effect when realizing that pipeline 21 is connect with valve.
The outside of the seal cover board 5 and shell 3 far from the side of seal cover board 5 be provided with one for accommodate sealing
The annular groove 20 of circle 19, sealing ring 19 are placed in annular groove 20, avoid sealing ring 19 and be subjected to displacement, and sealing ring 19 is stable to be placed in
It is compressed in annular groove 20 for seal cover board 5.
The outside of the seal cover board 5 and shell 3 are provided with several far from the side of seal cover board 5 and are used for connecting tube
The threaded hole 22 in road 21, along the circumferential direction equidistantly distributed, pipeline 21 pass through threaded hole 22 and valve to all threaded holes 22 respectively
Both ends connection, and sealing ring 19 is only pushed down, reaches good sealing effect, prevent liquid or gas overflowing.
On the outer wall of the inner casing 4 be integrally formed be provided with respectively with the one-to-one supporting block 23 of all rotary shafts 8, often
A diamond shape compact heap 24 is provided in a supporting block 23, each rotary shaft 8 sequentially passes through corresponding 23 He of supporting block respectively
Diamond shape compact heap 24 simultaneously stretches in annular receiving groove 6, is provided between diamond shape compact heap 24 and supporting block 23 and is set in rotary shaft 8
On sealing ring 25, the sealing ring 25 being arranged outside rotary shaft 8 being pressed together in supporting block 23 only by diamond shape compact heap 24 prevent
Fluid overflows when passing through valve from the junction of inner casing 4 and rotary shaft 8.
The linkage is arranged in annular receiving groove 6, and linkage includes that several are respectively fixedly connected with and are rotating
Vertical connecting rod 26 on axis 8, the bottom of every two adjacent vertical connecting rod 26 pass through a upper horizon bar 27 and one
Lower horizon bar 28 is flexibly connected, and upper horizon bar 27 is arranged in the top of lower horizon bar 28 and is parallel to each other, all upper horizon bars
27 and lower horizon bar 28 be each perpendicular to vertical connecting rod 26, rotary shaft 8 rotates, and vertical connecting rod 26 is driven to rotate, vertical to connect
Bar 26 rotates and then drives upper horizon bar 27 and lower 28 transverse shifting of horizon bar, and upper horizon bar 27 and the lateral of lower horizon bar 28 are moved
Dynamic to drive adjacent vertical connecting rod 26 to rotate again, the adjacent rotation of vertical connecting rod 26 drives corresponding opening-closing plate 2 to rotate again,
Therefore only it need to rotate one of rotary shaft 8 rotation of all opening-closing plates 2 can be realized, so that realizes valve beats on and off
It closes.
The top of the vertical connecting rod 26 is equipped with an elastic clip 34 being arranged on rotating shaft 8, and elastic clip 34 passes through
It adjusts bolt 35 to clamp elastic clip 34 and rotary shaft 8, elastic clip 34 is conditioned the locking of bolt 35 on rotating shaft 8, is rotating
When axis 8 rotates, vertical connecting rod 26 is also and then rotated, and by the upper horizon bar 27 between adjacent vertical connecting rod 26 and is lauched
Flat bar 28 realizes all 2 synchronous rotaries of opening-closing plate, realizes linkage.
The Support tray 13 includes upper cover plate 29 and lower cover plate 30, and upper cover plate 29 connects by the way that screw 31 and lower cover plate 30 are fixed
It connects, is pressed between upper cover plate 29 and lower cover plate 30 by screw 31, prevent support axis 12 from falling off or occurring from Support tray 13
Offset.
There are three hollow support columns 32, lower cover plate 30 to pass through long screw for setting between the humanoid bracket 14 and lower cover plate 30
33 sequentially pass through humanoid bracket 14 and hollow support column 32 is fixedly connected with humanoid bracket 14, lower cover plate 30 and humanoid bracket 14 it
Between connected by three hollow support columns 32, make to vacate one section between lower cover plate 30 and humanoid bracket 14 and rotated for opening-closing plate 2
Distance avoids opening-closing plate 2 from being stopped when rotation by humanoid bracket 14.
All opening-closing plates 2 are each perpendicular to the axial direction of shell 1, and all rotary shafts 8 are each perpendicular to the axis of shell 1
To outside is just bonded the inner wall of inner casing 4 when all opening-closing plates 2 are closed, and the edge of all opening-closing plates 2 is soft rubber
Material substantially increases the sealing effect of valve.
Working principle: the open-and-close mechanism of the locking control valve of one kind of the invention, using passing through a wherein rotary shaft 8
Rotation, drive vertical connecting rod 26 to rotate, vertical connecting rod 26 rotates and then drive upper horizon bar 27 and lower horizon bar 28 horizontal
To movement, the transverse shifting of upper horizon bar 27 and lower horizon bar 28 drives adjacent vertical connecting rod 26 to rotate again, and adjacent is perpendicular
The rotation of straight connecting rods 26 drives corresponding opening-closing plate 2 to rotate again, thus need to only rotate one of rotary shaft 8 can be realized it is all
The rotation of opening-closing plate 2, to realize the opening and closing of valve, and according to the difference of 2 opening and closing degree of opening-closing plate, valve is permitted
Perhaps the fluid flow and flow velocity passed through is also different.
The above described is only a preferred embodiment of the present invention, not making any limit to technical scope of the invention
System, therefore any subtle modifications, equivalent variations and modifications to the above embodiments according to the technical essence of the invention,
In the range of still falling within technical solution of the present invention.
Claims (7)
1. a kind of open-and-close mechanism of locking control valve, it is characterised in that: including Cylinder Shell (1) and linkage opening-closing machine
Structure, in the shell (1), linkage open-and-close mechanism includes that several shape sizes are all the same and mutually fit for linkage open-and-close mechanism setting
The opening-closing plate (2) of setting, all opening-closing plates (2) are in same plane, and all opening-closing plates (2) are in same level
When cross sectional shape in shell (1) axial direction be circle, shell (1) includes shell (3), inner casing (4) and seal cover board (5), outside
It is provided between shell (3) and inner casing (4) annular receiving groove (6), seal cover board (5) closes at annular appearance by bolt (7) fixation
It receives the tops of slot (6), one is fixedly connected on each opening-closing plate (2) for controlling the rotary shaft of opening-closing plate (2) rotation
(8), linkage is provided between every two adjacent opening-closing plate (2) to be used to that all opening-closing plates (2) to be made to complete synchronous rotary,
Linkage setting is in annular receiving groove (6)；
Be integrally formed on the outer wall of the inner casing (4) be provided with respectively with the one-to-one supporting block (23) of all rotary shafts (8),
A diamond shape compact heap (24) is provided on each supporting block (23), each rotary shaft (8) sequentially passes through corresponding branch respectively
Bracer (23) and diamond shape compact heap (24) simultaneously stretch in annular receiving groove (6), between diamond shape compact heap (24) and supporting block (23)
It is provided with the sealing ring (25) being set on rotary shaft (8).
2. the open-and-close mechanism of the locking control valve of one kind according to claim 1, it is characterised in that: the linkage
The vertical connecting rod (26) on rotary shaft (8), every two adjacent vertical connecting rod are respectively fixedly connected with including several
(26) bottom passes through one upper horizon bar (27) and a lower horizon bar (28) is flexibly connected, and upper horizon bar (27) setting exists
It the top of lower horizon bar (28) and is parallel to each other, all upper horizon bars (27) and lower horizon bar (28) are each perpendicular to connect vertically
Bar (26).
3. the open-and-close mechanism of the locking control valve of one kind according to claim 2, it is characterised in that: the vertical connection
The top of bar (26) is equipped with an elastic clip (34) being set on rotary shaft (8), and elastic clip (34) is by adjusting bolt (35)
Elastic clip (34) and rotary shaft (8) are clamped.
4. the open-and-close mechanism of the locking control valve of one kind according to claim 1, it is characterised in that: all foldings
The support axis (12) of one with rotary shaft (8) coaxial line, circle composed by all opening-closing plates (2) are provided on the inside of plate (2)
One is provided at shape center for fixing the Support tray (13) of support axis (12), support axis (12), which is rotatably inserted in, to be held
In pallet (13), Support tray (13) is fixed on all opening-closing plates (2) by the humanoid bracket (14) on the inner wall of shell (1) side
At center, humanoid bracket (14) and Support tray (13) are parallel to each other.
5. the open-and-close mechanism of the locking control valve of one kind according to claim 4, it is characterised in that: the Support tray
It (13) include upper cover plate (29) and lower cover plate (30), upper cover plate (29) is fixedly connected by screw (31) with lower cover plate (30).
6. the open-and-close mechanism of the locking control valve of one kind according to claim 5, it is characterised in that: the humanoid bracket
(14) there are three hollow support column (32), lower cover plate (30) to be sequentially passed through by long screw (33) for setting between lower cover plate (30)
Humanoid bracket (14) and hollow support column (32) are fixedly connected with humanoid bracket (14).
7. the open-and-close mechanism of the locking control valve of one kind according to claim 1, it is characterised in that: all foldings
Plate (2) is each perpendicular to the axial direction of shell (1), and all rotary shafts (8) are each perpendicular to the axial direction of shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273308.3A CN108006245B (en) | 2017-12-06 | 2017-12-06 | A kind of open-and-close mechanism of locking control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273308.3A CN108006245B (en) | 2017-12-06 | 2017-12-06 | A kind of open-and-close mechanism of locking control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108006245A CN108006245A (en) | 2018-05-08 |
| CN108006245B true CN108006245B (en) | 2019-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711273308.3A Active CN108006245B (en) | 2017-12-06 | 2017-12-06 | A kind of open-and-close mechanism of locking control valve |
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| CN (1) | CN108006245B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108560672A (en) * | 2018-05-09 | 2018-09-21 | 刘军发 | A kind of anti-snake mouse closestool |
| CN111039532B (en) * | 2019-12-30 | 2023-12-08 | 华南理工大学 | Timing valve applied to device for preparing composite biochar through co-pyrolysis of sludge and biomass and application method of timing valve |
| CN113374025A (en) * | 2021-06-17 | 2021-09-10 | 浙江同济科技职业学院 | Integrated rainwater recovery device and construction method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3313662A1 (en) * | 1983-04-15 | 1984-10-18 | Hermann Rappold & Co GmbH, 5160 Düren | Multi-flap valve for hot gases |
| US7568503B2 (en) * | 2005-08-10 | 2009-08-04 | Cameron International Corporation | Compressor throttling valve assembly |
| ATE473126T1 (en) * | 2007-03-30 | 2010-07-15 | Schwanden Kunststoff | BLINDS FOR MOTOR VEHICLES |
| CN203281583U (en) * | 2013-06-03 | 2013-11-13 | 温州亚光机械制造有限公司 | Automatically inner cage door opening-and-closing device for rubber plug cleaning machine |
| CN104948748A (en) * | 2014-03-25 | 2015-09-30 | 江苏江洲阀门制造有限公司 | Multi-blade natural gas pipeline control valve |
| CN105546160B (en) * | 2015-12-15 | 2019-04-16 | 中广核工程有限公司 | Nuclear power plant's air-treatment unit |
| CN107269856A (en) * | 2016-04-08 | 2017-10-20 | 上海卓思智能科技股份有限公司 | A kind of multiple-blade butterfly valve apparatus and its manufacture method |
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Effective date of registration: 20190508 Address after: 221400 Pingdun, North Suburb of Xinyi City, Xuzhou City, Jiangsu Province (No. 79, Xinbei Road) Applicant after: Xinyi Xinwei Gas Co., Ltd. Address before: 241000 Fortune Street, Central City, Yijiang District, Wuhu City, Anhui Province, 17 blocks 210 Applicant before: Zhang Qun |
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Effective date of registration: 20210112 Address after: 221400 e-commerce Industrial Park, Xin'an street, Xinbei West Road, Xinyi City, Xuzhou City, Jiangsu Province Patentee after: Xinyi Xinnan Environmental Protection Industry Technology Research Institute Co., Ltd Address before: 221400 Pingdun, North Suburb of Xinyi City, Xuzhou City, Jiangsu Province (No. 79, Xinbei Road) Patentee before: Xinyi Xinwei Gas Co.,Ltd. |