CN108204471A - A kind of solvent recovery tube head based on single solvent recycling adsorption system - Google Patents
A kind of solvent recovery tube head based on single solvent recycling adsorption system Download PDFInfo
- Publication number
- CN108204471A CN108204471A CN201711477881.6A CN201711477881A CN108204471A CN 108204471 A CN108204471 A CN 108204471A CN 201711477881 A CN201711477881 A CN 201711477881A CN 108204471 A CN108204471 A CN 108204471A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- joint sleeve
- tube head
- wall
- recovery tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
- F16K15/033—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member spring-loaded
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of solvent recovery tube heads based on single solvent recycling adsorption system,Including pipeline,The Pipe installing is in the lower end of upper joint sleeve,Upper joint sleeve installation screw thread is provided on the circumferential inner wall of the upper joint sleeve,Extraneous gas is prevented to be flowed into the external equipment that recycling tube head is connected by pipeline come effective by increasing a sealing device inside the pipeline of the solvent recovery tube head,Prevent extraneous gas in pipe transmmision to the external setting connected with it from by influencing the solvent quality of external equipment storage inside,So that the solvent quality collected by recycling tube head will not generate the inferior damage in quality because of external gas,And the lower end of the lower joint sleeve in the solvent recovery tube head increases an outside connector sleeve,The solvent recovery tube head to be enabled to dock the external equipment of more sizes,So as to increase the use scope of the solvent recovery tube head and service efficiency.
Description
Technical field
The invention belongs to pipeline tube head correlative technology fields, and in particular to a kind of to recycle adsorption system based on single solvent
Solvent recovery tube head.
Background technology
Recycling refers to product of the utility separated from waste by physics or mechanical processing as recycling,
Refer to leave unused article recycling by waste processing and utilization or by personal or unit, with paid recovery, free recycling etc. more
The second-hand article that mode is traded, a kind of " solvent recovery tube head " (application number as disclosed in Chinese patent：
CN201320017478.6), which passes through connecting bracket connecting partition including casing, connecting bracket and partition board composition, casing；
The center of partition board is provided with groove；One end connection high-voltage tube of casing, the other end are located at the lower section of partition board.The casing connection of the present invention
There is partition board, partition board can separate slurry of solids and supernatant liquor, and clear liquid flows into drop-center position, and solvent is recycled, and improve
Solvent recovery amount greatly reduces the soakage of slurry of solids, reduces material waste, prevents line clogging, reduces equipment damage
It is bad, production efficiency is improved, ensures the quality of production.
Existing solvent recovery tube head technology has the following problems：1st, existing solvent recovery tube head is single to molten
Agent is conveyed, when not carrying out solvent delivery outside air and gas gas can external equipment be flowed by tube head
In, it influences to store the use quality of recovered solvent；2nd, docking side of the existing solvent recovery tube head when docking external equipment
Formula is relatively simple, it is impossible to the equipment of multiple types be docked, can be that it uses generation significant limitation in this way.
Invention content
The purpose of the present invention is to provide a kind of solvent recovery tube head based on single solvent recycling adsorption system, to solve
It is mentioned above in the background art extraneous gas to be prevented to be flowed into what recycling tube head was connected without good sealing device
The problem of mode docked in external equipment with solvent recovery tube head when docking external equipment is relatively simple.
To achieve the above object, the present invention provides following technical solution：It is a kind of that adsorption system is recycled based on single solvent
Solvent recovery tube head, including pipeline, the Pipe installing is set on the lower end of upper joint sleeve, the circumferential inner wall of the upper joint sleeve
It is equipped with upper joint sleeve installation screw thread, the anti-skid chequer for being provided with equidistant arrangement on the pipeline outer wall and vertically placing, the pipeline
Lower end is provided with lower joint sleeve, and the lower joint sleeve lower end is provided with outside connector sleeve, the outer circumferential walls of the outside connector sleeve
On be provided with outer installation screw thread, lower joint sleeve installation spiral shell is provided on the circumferential inner wall of the lower joint sleeve and outside connector sleeve
Line, the upper joint sleeve are connected with lower joint sleeve by pipeline, and the pipeline is internally provided with sealing device and sealing device is left
End is fixed on the inner wall of pipeline, and circumferential inner wall inside the pipeline is topmost provided with gasket, inside the pipeline
Circumferential inner wall bottom be provided with lower seal pad.
Preferably, fixed link is provided on the sealing device, the fixed link left end is fixed on the inner wall of pipeline, institute
It states and is provided with hanging rod on lower end outer wall on the right side of fixed link, the hanging rod lower end of the top is provided with and is internally provided with hook, institute
The hook lower end for stating upside is provided with spring, and the lower spring end is provided with another hook, the hook lower end of the downside
Another hanging rod is provided with, the hanging rod lower end of the downside is provided with lateral and inclined partition board, the partition board outer circumferential walls
On be provided with sealing shroud, be provided with vertical movable axis on the partition board left end lower wall, the movable axis lower end and internal setting
There is the fixing axle crossed out to the left, the fixing axle left end is fixed on the inner wall of pipeline.
Preferably, the upper gasket and lower seal pad are separately mounted on the inner wall inside both ends of pipeline, and upper close
Packing and lower seal pad shape and area are equal.
Preferably, the height of the upper joint sleeve is equal to the sum of height of lower joint sleeve and outside connector sleeve.
Preferably, the partition board area is slightly larger than the diameter of pipeline.
Preferably, the upper joint sleeve and lower joint sleeve are fixed on the upper and lower ends of pipeline by welding manner.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention is effectively prevented by increasing a sealing device inside the pipeline of the solvent recovery tube head
Extraneous gas is flowed by pipeline in the external equipment that recycling tube head is connected so that extraneous gas cannot pass through pipe transmmision
The solvent quality of external equipment storage inside is influenced into the external setting connected with it so that collect by recycling tube head
Solvent quality will not generate the inferior damage in quality, and sealing device is by fixed link, spring, extension because of external gas
Hook, movable axis, hanging rod, fixing axle, partition board and sealing shroud composition, it is effective to be wherein enclosed with sealing shroud in partition board outer circumferential walls
Isolation extraneous air is entered by pipeline to be recycled in the external equipment that tube head is connected, and is provided on partition board left end lower wall
The movable axis extended downwardly, and movable axis lower end is provided with lateral fixing axle, fixing axle can realize angle by movable axis
Degree rotation, and fixing axle left end is fixed on the inner wall of pipeline so that movable axis can be by fixing axle come above and below band dynamic dividing plate
Rotation, and hanging rod is provided on partition board left end upper wall, and spring of the both ends with hook is provided in hanging rod upper end, and bullet
The hook of spring lower end is hung on hanging rod, and fixed link is mounted in the inner wall of the pipe above partition board, and the hook above spring is hung over
On the hanging rod of fixed link lower end, and the elastic force of spring can just no solvent through piping when the shape that up pulls of partition board
State, in this way when solvent is past dirty above pipeline, solvent can wash partition board open and then flow down, when solvent stops flow into, partition board
Without active force from the top down, at this moment spring can pull up partition board by elastic force, and partition board will be by movable axis solid
Positioning, which is put, to be rotated up, and the sealing shroud on the outside of partition board is thoroughly fitted on the inner wall of pipeline so that the two is in seal shape
State, this makes it possible in the external equipment for effectively obstructing extraneous gas and being connected to the recycling tube head by pipe transmmision, from
And effectively ensure the use quality of recovered solvent, and can also cause the recycling tube head practicality more convenient to use；
2nd, the present invention increases an outside connector sleeve by the lower end of the lower joint sleeve in the solvent recovery tube head, to make
The solvent recovery tube head can dock the external equipments of more sizes, so as to increase the use scope of the solvent recovery tube head and
Service efficiency, it can also used, and enhanced convenience is simple, and is provided in outer circumferential walls of connector sleeve on the outside of this
Outer installation screw thread, and the upper joint sleeve and lower joint sleeve of traditional solvent recovery tube head are connected into excessively internal installation screw thread
External equipment is connect, it can undoubtedly be made to use meeting by significant limitation in this way, and in the outer circumferential walls of outside connector sleeve
The outer installation screw thread of setting can effectively solve the limitation of part recycling tube head connection external equipment so that the solvent returns
Closed tube head can dock the external equipment opposite with upper joint sleeve docking mode, so that it can dock a variety of different installations
The external equipment of mode, and also can effectively prevent recovered solvent from leading to the problem of leakage by way of screw thread docking and go out
It is existing, so as to ensure use that the solvent recovery tube head can be normal and permanent.
Description of the drawings
Fig. 1 is the solvent recovery tube head external structure schematic diagram of the present invention；
Fig. 2 is the solvent recovery tube head internal structure schematic diagram of the present invention；
Fig. 3 is the schematic diagram of sealing device of the present invention；
In figure：1st, upper joint sleeve installation screw thread；2nd, upper joint sleeve；3rd, pipeline；4th, anti-skid chequer；5th, lower joint sleeve；6th, outer peace
Fill screw thread；7th, outside connector sleeve；8th, upper gasket；9th, sealing device；10th, lower seal pad；11st, lower joint sleeve installation screw thread；91、
Fixed link；92nd, spring；93rd, it links up with；94th, movable axis；95th, hanging rod；96th, fixing axle；97th, partition board；98th, sealing shroud.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of solvent based on single solvent recycling adsorption system
Tube head is recycled, including pipeline 3, the company of being provided on the lower end of upper joint sleeve 2, the circumferential inner wall of upper joint sleeve 2 of pipeline 3
Female connector installs screw thread 1, and the anti-skid chequer 4 for being provided with equidistant arrangement on 3 outer wall of pipeline and vertically placing, 3 lower end of pipeline is provided with down
Connector sleeve 5,5 lower end of lower joint sleeve are provided with outside connector sleeve 7, outer installation spiral shell are provided in the outer circumferential walls of outside connector sleeve 7
Lower joint sleeve installation screw thread 11 is provided on the circumferential inner wall of line 6, lower joint sleeve 5 and outside connector sleeve 7, upper joint sleeve 2 is under
Connector sleeve 5 is connected by pipeline 3, and pipeline 3 is internally provided with sealing device 9 and 9 left end of sealing device is fixed on the inner wall of pipeline 3
On, circumferential inner wall inside pipeline 3 is topmost provided with gasket 8, and the circumferential inner wall bottom inside pipeline 3 is provided with down
Gasket 10.
In order to effectively completely cut off gas, in of the invention, it is preferred that fixed link 91 is provided on sealing device 9, it is fixed
91 left end of bar is fixed on the inner wall of pipeline 3, is provided with hanging rod 95 on 91 right side lower end outer wall of fixed link, under the hanging rod 95 of top
End is provided with and is internally provided with hook 93, and 93 lower end of hook of upside is provided with spring 92, in addition 92 lower end of spring is provided with
One hook 93,93 lower end of hook of downside are provided with another hanging rod 95,95 lower end of hanging rod of downside be provided with laterally and
Inclined partition board 97 is provided with sealing shroud 98 in 97 outer circumferential walls of partition board, vertical activity is provided on 97 left end lower wall of partition board
Axis 94,94 lower end of movable axis and is internally provided with the fixing axle 96 crossed out to the left, and 96 left end of fixing axle is fixed on pipeline 3
Inner wall on.
Sealing effect is more preferable during in order to connect external equipment, in the present invention, it is preferred that upper gasket 8 and lower seal pad 10
It is separately mounted on the inner wall inside both ends of pipeline 3, and upper gasket 8 and 10 shape of lower seal pad and area are equal.
In order to which appearance is more beautiful, in the present invention, it is preferred that the height of upper joint sleeve 2 is equal to lower joint sleeve 5 and outside connects
The sum of height of female connector 7.
In order to which 3 inner sealing effect of pipeline is more preferable, in the present invention, it is preferred that 97 area of partition board is straight slightly larger than pipeline 3
Diameter.
In order to more durable, in the present invention, it is preferred that upper joint sleeve 2 and lower joint sleeve 5 are fixed on by welding manner
The upper and lower ends of pipeline 3.
The operation principle and process for using of the present invention：After the present invention installs, the sealing device 9 inside pipeline 3
After installing, the upper gasket 8 and lower seal pad 10 of shape and area all same are passed through upper joint sleeve 2 and lower connection respectively
Set 5 is put into the upper and lower ends inside pipeline 3, and then installing screw thread 1 by the upper joint sleeve inside upper joint sleeve 2 connects outside
Equipment, and lower joint sleeve 5 and outside connector sleeve 7 can be not connected to equipment and directly be used, can also connect external equipment into
It exercises and uses, it is only necessary to determine it is that lower joint sleeve 5 or outer is connected by inscribed mode by the mounting means of external equipment
The mode connect is used to connect outside connector sleeve 7, and solvent can be transmitted by pipeline 3 after installing, molten at this time
Agent can reopen the sealing device 9 inside pipeline 3 to be conveyed, when solvent is not in conveying, the sealing device 9 inside pipeline 3
It can be closed by spring 92 so that the solvent quality collected by recycling tube head will not be generated because of external gas in quality
Inferior damage, and sealing device 9 be by fixed link 91, spring 92, hook 93, movable axis 94, hanging rod 95, fixing axle 96, every
Plate 97 and sealing shroud 98 form, and are wherein enclosed with that sealing shroud 98 is effective to be completely cut off extraneous air and pass through in 97 outer circumferential walls of partition board
Pipeline 3 is entered in the external equipment that recycling tube head is connected, and the work extended downwardly is provided on 97 left end lower wall of partition board
Moving axis 94, and 94 lower end of movable axis is provided with lateral fixing axle 96, fixing axle 96 can realize angle by movable axis 94
Rotation, and 96 left end of fixing axle is fixed on the inner wall of pipeline 3 so that movable axis 94 can be by fixing axle 96 come band dynamic dividing plate
97 rotate upwardly and downwardly, and hanging rod 95 is provided on 97 left end upper wall of partition board, and both ends are provided in 95 upper end of hanging rod with extension
The spring 92 of hook 93, and the hook 93 of 92 lower end of spring is hung on hanging rod 95, fixed link 91 is mounted on the pipeline 3 of 97 top of partition board
On inner wall, and the hook 93 of 92 top of spring is hung on the hanging rod 95 of 91 lower end of fixed link, and the elastic force of spring 92 can just
The state that partition board 97 during no solvent through piping 3 up pulls, it is molten in this way when solvent is past dirty above pipeline 3
Agent, which can be washed open, partition board 97 and then to be flowed down, and when solvent stops flow into, partition board 97 is without active force from the top down, at this moment spring
92 can pull up partition board 97 by elastic force, and partition board 97 will be rotated up by movable axis 94 in fixed position, until partition board
The sealing shroud 98 in 97 outsides is thoroughly fitted on the inner wall of pipeline 3 so that the two is in sealing state, and this makes it possible to effective
Barrier extraneous gas is traveled to through piping 3 in the external equipment that the recycling tube head connected, so as to effectively ensure recycling
The use quality of solvent, and can also cause the recycling tube head practicality more convenient to use, and in the solvent recovery pipe
The lower end of the lower joint sleeve 5 of head increases an outside connector sleeve 7, the solvent recovery tube head to be enabled to dock more sizes
External equipment, so as to increase the use scope of the solvent recovery tube head and service efficiency, can also it be made to use more
It is convenient and simple, and outer installation screw thread 6 is provided in outer circumferential walls of connector sleeve 7 on the outside of this, and traditional solvent recovery pipe
The upper joint sleeve 2 and lower joint sleeve 5 of head are all to connect external equipment into excessively internal installation screw thread, can undoubtedly make it in this way
Using can be by significant limitation, and the outer installation screw thread 6 set in the outer circumferential walls of outside connector sleeve 7 can be effective
Solve the limitation of part recycling tube head connection external equipment so that the solvent recovery tube head can dock and upper joint sleeve 2
The opposite external equipment of docking mode, so that it can dock the external equipment of a variety of different installations, and passes through
Screw thread docking mode also can effectively prevent recovered solvent leads to the problem of leak occur, so as to ensure the solvent recovery pipe
Head can be normal and permanent use.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of solvent recovery tube head based on single solvent recycling adsorption system, including pipeline (3), it is characterised in that：It is described
Pipeline (3) is provided with upper joint sleeve installation on the lower end of upper joint sleeve (2), the circumferential inner wall of the upper joint sleeve (2)
Screw thread (1), the anti-skid chequer (4) for being provided with equidistant arrangement and vertically placing on pipeline (3) outer wall, pipeline (3) lower end
Lower joint sleeve (5) is provided with, lower joint sleeve (5) lower end is provided with outside connector sleeve (7), the outside connector sleeve (7)
Outer installation screw thread (6) is provided in outer circumferential walls, is set on the circumferential inner wall of the lower joint sleeve (5) and outside connector sleeve (7)
There is lower joint sleeve that screw thread (11), the upper joint sleeve (2) and lower joint sleeve (5) are installed to connect by pipeline (3), the pipeline
(3) it is internally provided with sealing device (9) and sealing device (9) left end is fixed on the inner wall of pipeline (3), in the pipeline (3)
The circumferential inner wall in portion is topmost provided with gasket (8), and the internal circumferential inner wall bottom of the pipeline (3) is provided with down close
Packing (10).
2. a kind of solvent recovery tube head based on single solvent recycling adsorption system according to claim 1, feature exist
In：Fixed link (91) is provided on the sealing device (9), fixed link (91) left end is fixed on the inner wall of pipeline (3),
Hanging rod (95) is provided on the right side of the fixed link (91) on lower end outer wall, hanging rod (95) lower end of the top is provided with and inside
Hook (93) is provided with, hook (93) lower end of the upside is provided with spring (92), and spring (92) lower end is provided with separately
An outer hook (93), hook (93) lower end of the downside is provided with another hanging rod (95), the hanging rod of the downside
(95) lower end is provided with lateral and inclined partition board (97), and sealing shroud (98), institute are provided in partition board (97) outer circumferential walls
It states and vertical movable axis (94) is provided on partition board (97) left end lower wall, movable axis (94) lower end and be internally provided with to the left
The fixing axle (96) crossed out, fixing axle (96) left end are fixed on the inner wall of pipeline (3).
3. a kind of solvent recovery tube head based on single solvent recycling adsorption system according to claim 1, feature exist
In：On the inner wall inside both ends that the upper gasket (8) and lower seal pad (10) are separately mounted to pipeline (3), and upper sealing
Pad (8) and lower seal pad (10) shape and area are equal.
4. a kind of solvent recovery tube head based on single solvent recycling adsorption system according to claim 1, feature exist
In：The height of the upper joint sleeve (2) is equal to the sum of height of lower joint sleeve (5) and outside connector sleeve (7).
5. a kind of solvent recovery tube head based on single solvent recycling adsorption system according to claim 1, feature exist
In：Partition board (97) area is slightly larger than the diameter of pipeline (3).
6. a kind of solvent recovery tube head based on single solvent recycling adsorption system according to claim 1, feature exist
In：The upper joint sleeve (2) and lower joint sleeve (5) are fixed on the upper and lower ends of pipeline (3) by welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711477881.6A CN108204471A (en) | 2017-12-29 | 2017-12-29 | A kind of solvent recovery tube head based on single solvent recycling adsorption system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711477881.6A CN108204471A (en) | 2017-12-29 | 2017-12-29 | A kind of solvent recovery tube head based on single solvent recycling adsorption system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108204471A true CN108204471A (en) | 2018-06-26 |
Family
ID=62605939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711477881.6A Pending CN108204471A (en) | 2017-12-29 | 2017-12-29 | A kind of solvent recovery tube head based on single solvent recycling adsorption system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108204471A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237073A (en) * | 2018-11-06 | 2019-01-18 | 苏州市万向机械制造有限公司 | A kind of pipeline docking three-way valve for transfer oil |
| CN109357146A (en) * | 2018-11-02 | 2019-02-19 | 河南昊化黎明智能清洗科技有限公司 | A kind of dry lubricant conveyance conduit of easy access |
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| CN204213413U (en) * | 2014-10-16 | 2015-03-18 | 浙江特一阀门有限公司 | A kind of spring is slow opens quick-closure check valve |
| CN204729791U (en) * | 2015-05-26 | 2015-10-28 | 江苏中通管业有限公司 | Connecting tube |
| US20160102770A1 (en) * | 2014-10-09 | 2016-04-14 | Toyota Jidosha Kabushiki Kaisha | Valve structure |
| CN207989820U (en) * | 2017-12-29 | 2018-10-19 | 天津奥利达环保设备有限公司 | A kind of solvent recovery tube head recycling adsorption system based on single solvent |
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| CN202252161U (en) * | 2011-08-29 | 2012-05-30 | 福建海洋铜业有限公司 | Novel check valve |
| CN203517159U (en) * | 2013-10-24 | 2014-04-02 | 武汉钢铁(集团)公司 | Water backflow preventing device of water supply pipeline |
| US20160102770A1 (en) * | 2014-10-09 | 2016-04-14 | Toyota Jidosha Kabushiki Kaisha | Valve structure |
| CN204213413U (en) * | 2014-10-16 | 2015-03-18 | 浙江特一阀门有限公司 | A kind of spring is slow opens quick-closure check valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109357146A (en) * | 2018-11-02 | 2019-02-19 | 河南昊化黎明智能清洗科技有限公司 | A kind of dry lubricant conveyance conduit of easy access |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180626 |
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