CN209638443U - A kind of agricultural water-saving irrigation equipment with connecing triple valve by hard tube fastly - Google Patents
A kind of agricultural water-saving irrigation equipment with connecing triple valve by hard tube fastly Download PDFInfo
- Publication number
- CN209638443U CN209638443U CN201821735660.4U CN201821735660U CN209638443U CN 209638443 U CN209638443 U CN 209638443U CN 201821735660 U CN201821735660 U CN 201821735660U CN 209638443 U CN209638443 U CN 209638443U
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- China
- Prior art keywords
- plastomer
- connecing
- hard tube
- hard
- molded body
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- 238000003973 irrigation Methods 0.000 title claims abstract description 27
- 230000002262 irrigation Effects 0.000 title claims abstract description 24
- 229920000034 Plastomer Polymers 0.000 claims abstract description 54
- 230000000712 assembly Effects 0.000 claims abstract 2
- 238000000429 assembly Methods 0.000 claims abstract 2
- 125000004122 cyclic group Chemical group 0.000 claims description 17
- 230000004888 barrier function Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003621 irrigation water Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 238000003971 tillage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Valve Housings (AREA)
Abstract
The utility model provides a kind of agricultural water-saving irrigation equipment with connecing triple valve by hard tube fastly, including threeway valve assembly, be respectively assembled at left and right sides of threeway valve assembly it is double connect plastomer, and be assemblied in the hard tube assembly parts of threeway valve assembly third side；Threeway valve assembly includes injection-molded body, and injection-molded body includes the lateral injection-molded body and vertical injection-molded body of at T-shaped integrally connected；Integrally connected connecting tube, connecting tube integrally connected screwed pipe are distinguished in the left and right sides of lateral injection-molded body, and two sides screwed pipe with double tapped inserted terminal Screw assemblies for connecing plastomer side, assembles seal fitting in double connect in the inserted terminal of the plastomer other side respectively；The valve body with valve switch is connected in the middle part of vertical injection-molded body；Plastomer is connect in the end integrally connected list of vertical injection-molded body, in the inserted terminal screw-internal thread fit hard tube assembly parts for singly connecing plastomer.The utility model connects triple valve by hard tube fastly, which leads to after connection supervisor, can quickly connect hollow billet, easy to install quick detachable to facilitate construction.
Description
Technical field
The utility model belongs to technical field of agricultural mechanical equipment more particularly to a kind of agricultural water-saving irrigation equipment with connecing fastly
Triple valve by hard tube.
Background technique
Agricultural irrigation is primarily referred to as the irrigation operation carried out to agricultural tillage area.Agricultural irrigation mode generally can be divided into ground
Upper irrigation and sub-irrigation, for sub-irrigation, the pipeline connection that drip irrigation equipment uses usually needs to be attached by valve body,
Valve body is control unit in pipeline fluid conveying system, for changing access section and flow direction of medium, has water conservancy diversion, cuts
Only, the functions such as throttling, non-return, shunting or overflow release.Connecing other triple valve fastly is that one kind that people design can be with pipeline shape
At the other triple valve quickly connected.Other triple valve is to use a kind of relatively broad common valve currently on the market.
At present in the water-saving sub-irrigation of crops, existing part use connects other triple valve fastly and is attached pipeline, still
The triple valve that connects fastly of the prior art has the following deficiencies: that installation, disassembly, construction are inconvenient, and leakproofness is poor, is easy leak, causes
The waste of water resource, and it is not convenient and fast with the connection of hollow billet, it is embedded in underground, is easy to appear leakage and damage phenomenon.
Utility model content
The purpose of the utility model is to provide a kind of agricultural water-saving irrigation equipment with connecing triple valve by hard tube fastly, on solving
State the problem of proposing in background technique.The utility model connects triple valve by hard tube fastly and is suitable for connection of the underground drip irrigation with pipeline；This is new
Type can be convenient by threeway valve assembly, it is double connect plastomer, seal fitting, singly connect plastomer quick assembling together, be responsible in connection
After can quickly connect hollow billet, it is easy to install quick detachable to facilitate construction；Support sleeve is increased in seal fitting, it can be by rubber seal
Circle support ring, folding pressure ring are fixed in inserted terminal；Rubber seal is fixed by the support of rubber seal support ring, is increased
The sealing effect for connecing triple valve by hard tube fastly is added.
To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of agricultural water conservation fills
Equipment is irrigate with triple valve by hard tube is connect fastly, including threeway valve assembly, pair being respectively assembled at left and right sides of threeway valve assembly
Plastomer is connect, and is assemblied in the hard tube assembly parts of threeway valve assembly third side；The threeway valve assembly includes injection-molded body,
The injection-molded body includes the lateral injection-molded body and vertical injection-molded body of at T-shaped integrally connected；In the lateral injection-molded body
The left and right sides distinguish integrally connected connecting tube, the connecting tube integrally connected screwed pipe, two sides screwed pipe connects modeling with double respectively
The tapped inserted terminal Screw assembly of body side assembles seal fitting in double connect in the inserted terminal of the plastomer other side；In
The valve body with valve switch is connected in the middle part of the vertical injection-molded body；In the end integrally connected of the vertical injection-molded body
Plastomer is singly connect, in the inserted terminal screw-internal thread fit hard tube assembly parts for singly connecing plastomer；The hard tube assembly parts include screw thread dress
Fit over the Hard link pipe and Hard link pipe one of the hard screwed pipe in the inserted terminal for singly connecing plastomer and hard screwed pipe integrally connected
The hard straight tube connected and the hard conical pipe with hard straight tube integrally connected.
The left and right sides connection of the utility model threeway valve assembly is double to connect plastomer, and described pair connects plastomer and be equipped with seal fitting
One end and hollow billet grafting, third side connect hard tube assembly parts, and the hard tube assembly parts and supervisor connect；Rotating hard tube assembly pipe will
Hard screwed pipe is threadedly coupled with the tapped inserted terminal for singly connecing plastomer, and after connection, supervisor is covered first in the hard of pyramidal structure
On conical pipe, then inwardly continue to cover to complete connecting moves on hard straight tube；Hollow billet can connect modeling with the double of assembly seal fitting
The quick grafting in one end of body quickly connects hollow billet after connection supervisor so connecing fastly；Band valve switch in threeway valve assembly
Valve body can control the on-off of irrigation water in injection-molded body, entirely connect the pipe that triple valve by hard tube is suitable for underground drip irrigation band fastly
Road connection, it is easy to install it is quick detachable facilitate construction, be embedded in underground, be not in leak, damage phenomenon, can also flexibly control filling
Irrigate the on-off of water.
Preferably, the seal fitting includes successively being assemblied in double rubber seals connect in the inserted terminal of the plastomer other side
Circle, with the rubber seal support ring of rubber seal clamping, withstand on disc spring film outside rubber seal support ring, socket
Folding pressure ring in disc spring film is clamped with folding pressure ring and covers the support sleeve outside folding pressure ring, and the support sleeve is also
It is clamped respectively with inserted terminal, rubber seal support ring.
It can increase by rubber seal and with the rubber seal support ring of rubber seal clamping and connect hard tube fastly
The leakproofness of other triple valve；Disc spring film for entangling folding pressure ring, by support sleeve respectively by rubber seal support ring,
Pressure ring fixing card is opened and closed in inserted terminal, increases the stabilization and leakproofness of whole device, hollow billet is directly through folding pressure ring card
Enter in disc spring film, hollow billet is locked by disc spring film.
Preferably, the inside in the rubber seal outer end is equipped with annular arm slot, in rubber seal support ring
It is convex that the outside at end is equipped with annular arm；The annular arm slot connects with annular arm convex clip.Rubber seal and rubber seal support ring
It is clamped using cantilever.
Preferably, being equipped with annular sealing flange in the outside of the rubber seal middle-end.Annular sealing flange is used for
Increase the leakproofness between rubber seal main body and inserted terminal.
Preferably, the inside in the support sleeve inner end is equipped with the first cyclic convex edge, supported in the rubber seal
Annular projection is equipped on the outside of ring outer end, first cyclic convex edge and annular projection are clamped.First cyclic convex edge and annular projection
It is clamped using annular.
Preferably, the second cyclic convex edge is equipped in the inside of the support sleeve middle-end, in the inner end of the folding pressure ring
Outside is equipped with annular shoulder, and second cyclic convex edge and annular shoulder are clamped.Second cyclic convex edge is adopted with annular shoulder
It is clamped with annular.
Preferably, being equipped with annular barrier portion on the outside of the support sleeve middle-end, it is equipped on the inside of the inserted terminal port
Annular stops slot, and the annular barrier portion and annular stop slot clamping.The annular barrier portion and annular stop slot using annular
Clamping.
Preferably, being evenly distributed with multiple pairs on double peripheries for connecing plastomer connects plastomer protrusion.Increase is double to connect modeling
Body protrusion is convenient to double graspings for connecing plastomer.
It double connect plastomer, threeway valve assembly preferably, described, singly connect plastomer and hard tube assembly parts are all made of plastic material
It is made.
The utility model has the beneficial effects that
The utility model connects triple valve by hard tube fastly and is suitable for connection of the underground drip irrigation with pipeline；The utility model can be convenient threeway
Valve assembly, it is double connect plastomer, seal fitting, singly connect plastomer quick assembling together, connection supervisor after can quickly connect hair
Pipe, it is easy to install quick detachable to facilitate construction；Support sleeve is increased in seal fitting, rubber seal support ring, folding can be pressed
Ring is fixed in inserted terminal；Rubber seal is fixed by the support of rubber seal support ring, is increased and is connect by hard tube fastly
The sealing effect of triple valve.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the installation diagram that the utility model connects triple valve by hard tube fastly；
Fig. 2 is the structure chart of the utility model threeway valve assembly part；
Fig. 3 is the double exploded views for connecing plastomer Yu seal fitting part of the utility model；
Fig. 4 is the installation diagram of the utility model seal fitting；
Fig. 5 is the double left views for connecing plastomer of the utility model；
In figure: 1, it is double to connect plastomer, 1.1, it is double connect plastomer protrusion, 1.2, inserted terminal, 1.3, annular stop slot, 2, triple valve dress
Ligand, 2.1, vertical injection-molded body, 2.2, lateral injection-molded body；2.3, valve body, 2.4 singly connect plastomer, 2.5, connecting tube, 2.6, spiral shell
Line pipe, 3, rubber seal, 3.1, annular arm slot, 3.2, annular sealing flange, 4, rubber seal support ring, 4.1, annular arm
It is convex, 4.2, annular projection, 5, disc spring film, 6, support sleeve, 6.1, annular barrier portion, the 6.2, second cyclic convex edge, 6.3,
One cyclic convex edge, 7, folding pressure ring, 7.1, annular shoulder, 8, hard tube assembly parts, 8.1 hard screwed pipes, 8.2, Hard link pipe, 8.3,
Hard straight tube, 8.4, hard conical pipe.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain that this is practical
It is novel, it is not used to limit the utility model.
The application principle of the utility model is further described combined with specific embodiments below.
Embodiment 1, such as Fig. 1-5, a kind of agricultural water-saving irrigation equipment with connecing triple valve by hard tube, including triple valve assembly fastly
Body 2 is respectively assembled at the double of the left and right sides of threeway valve assembly 2 and connects plastomer 1, and is assemblied in 2 third side of threeway valve assembly
Hard tube assembly parts 8；The threeway valve assembly 2 includes injection-molded body, and the injection-molded body includes the cross of at T-shaped integrally connected
To injection-molded body 2.2 and vertical injection-molded body 2.1；Connect in the left and right sides difference integrally connected of the lateral injection-molded body 2.2
Adapter tube 2.5, the 2.5 integrally connected screwed pipe 2.6 of connecting tube, two sides screwed pipe 2.6 is respectively and in double bands for connecing 1 side of plastomer
The inserted terminal Screw assembly of screw thread assembles seal fitting in double connect in 1 other side inserted terminal of plastomer；In the vertical injection molding
The middle part of main body 2.1 is connected with the valve body 2.3 with valve switch；In the end integrally connected list of the vertical injection-molded body 2.1
Plastomer 2.4 is connect, in the inserted terminal screw-internal thread fit hard tube assembly parts 8 for singly connecing plastomer 2.4；The hard tube assembly parts 8 include
Hard screwed pipe 8.1 of the Screw assembly in the inserted terminal for singly connecing plastomer 2.4, the Hard link pipe with hard 8.1 integrally connected of screwed pipe
8.2, with the hard straight tube 8.3 of 8.2 integrally connected of Hard link pipe and the hard conical pipe 8.4 with hard 8.3 integrally connected of straight tube.
The left and right sides connection of the utility model threeway valve assembly is double to connect plastomer, and described pair connects plastomer and be equipped with seal fitting
One end and hollow billet grafting, third side connect hard tube assembly parts, and the hard tube assembly parts and supervisor connect；Rotating hard tube assembly pipe will
Hard screwed pipe is threadedly coupled with the tapped inserted terminal for singly connecing plastomer, and after connection, supervisor is covered first in the hard of pyramidal structure
On conical pipe, then inwardly continue to cover to complete connecting moves on hard straight tube；Hollow billet can connect modeling with the double of assembly seal fitting
The quick grafting in one end of body quickly connects hollow billet after connection supervisor so connecing fastly；Band valve switch in threeway valve assembly
Valve body can control the on-off of irrigation water in injection-molded body, entirely connect the pipe that triple valve by hard tube is suitable for underground drip irrigation band fastly
Road connection, it is easy to install it is quick detachable facilitate construction, be embedded in underground, be not in leak, damage phenomenon, can also flexibly control filling
Irrigate the on-off of water.
In the present embodiment, the seal fitting includes successively being assemblied in double rubber connect in 1 other side inserted terminal 1.2 of plastomer
Sealing ring 3, withstands on dish-shaped bullet outside rubber seal support ring 4 at the rubber seal support ring 4 being clamped with rubber seal 3
Reed 5, the folding pressure ring 7 being socketed in disc spring film 5 are clamped with folding pressure ring 7 and cover the support sleeve outside folding pressure ring 7
6, the support sleeve 6 is also clamped with inserted terminal 1.2, rubber seal support ring 4 respectively.
It can be increased by rubber seal 3 and the rubber seal support ring 4 being clamped with rubber seal 3 and be connect fastly firmly
The leakproofness of triple valve by pipe；Disc spring film 5 is for entangling folding pressure ring 7, by support sleeve 6 respectively by rubber seal branch
Pushing out ring 4, folding 7 fixing card of pressure ring increase the stabilization and leakproofness of whole device in inserted terminal 1.2, hollow billet directly through
Folding pressure ring is caught in disc spring film 5, locks hollow billet by disc spring film 5.
In the present embodiment, it is equipped with annular arm slot 3.1 in the inside of 3 outer end of rubber seal, in rubber seal branch
The outside of 4 inner end of pushing out ring is equipped with annular arm convex 4.1；The annular arm slot 3.1 and convex 4.1 clamping of annular arm.Rubber seal 3 with
Rubber seal support ring 4 is clamped using cantilever.
In the present embodiment, annular sealing flange 3.2 is equipped in the outside of 3 middle-end of rubber seal.Annular seal is convex
Edge 3.2 is used to increase the leakproofness between 3 main body of rubber seal and inserted terminal 1.2.
In the present embodiment, it is equipped with the first cyclic convex edge 6.3 in the inside of 6 inner end of support sleeve, in the rubber seal
It encloses and is equipped with annular projection 4.2 on the outside of 4 outer end of support ring, first cyclic convex edge 6.3 is clamped with annular projection 4.2.First ring
Shape convex edge 6.3 and annular projection 4.2 are using annular clamping.
In the present embodiment, it is equipped with the second cyclic convex edge 6.2 in the inside of 6 middle-end of support sleeve, in the folding pressure ring 7
Inner end on the outside of be equipped with annular shoulder 7.1, second cyclic convex edge 6.2 is clamped with annular shoulder 7.1.Described second is cyclic annular convex
It is clamped with annular shoulder 7.1 using annular along 6.2.
In the present embodiment, annular barrier portion 6.1 is equipped on the outside of 6 middle-end of support sleeve, in 1.2 port of inserted terminal
Inside is equipped with annular and stops slot 1.3, and the annular barrier portion 6.1 stops slot 1.3 to be clamped with annular.The annular barrier portion 6.1
Stop slot 1.3 using annular clamping with annular.
In the present embodiment, multiple pairs are evenly distributed on double peripheries for connecing plastomer 1 and connects plastomer protrusion 1.1.Increase
Double plastomer protrusions 1.1 that connect are conveniently to double graspings for connecing plastomer 1.
It is described double to connect plastomer 1, threeway valve assembly 2, singly connect plastomer 2.4 and hard tube assembly parts 8 are all made of in the present embodiment
Plastic material is made.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of agricultural water-saving irrigation equipment with connecing triple valve by hard tube fastly, it is characterised in that: including threeway valve assembly, respectively
Be assemblied at left and right sides of threeway valve assembly it is double connect plastomer, and be assemblied in the hard tube assembly of threeway valve assembly third side
Part；The threeway valve assembly includes injection-molded body, the injection-molded body include at T-shaped integrally connected lateral injection-molded body and
Vertical injection-molded body；Integrally connected connecting tube is distinguished in the left and right sides of the lateral injection-molded body, and the connecting tube integrally connects
Screwed pipe is connect, two sides screwed pipe with double tapped inserted terminal Screw assemblies for connecing plastomer side, connects modeling at described pair respectively
Seal fitting is assembled in the inserted terminal of the body other side；The valve body with valve switch is connected in the middle part of the vertical injection-molded body；
Plastomer is connect in the end integrally connected list of the vertical injection-molded body, in the inserted terminal screw-internal thread fit hard tube for singly connecing plastomer
Assembly parts；The hard tube assembly parts include hard screwed pipe and hard screwed pipe one of the Screw assembly in the inserted terminal for singly connecing plastomer
Hard link pipe, the hard conical pipe with the hard straight tube of Hard link pipe integrally connected and with hard straight tube integrally connected of body connection.
2. a kind of agricultural water-saving irrigation equipment according to claim 1 with connecing triple valve by hard tube fastly, it is characterised in that: institute
Stating seal fitting includes successively being assemblied in double rubber seal connect in the inserted terminal of the plastomer other side, being clamped with rubber seal
Rubber seal support ring, the folding for withstanding on disc spring film outside rubber seal support ring, being socketed in disc spring film
Pressure ring, with folding pressure ring clamping and cover folding pressure ring outside support sleeve, the support sleeve also respectively with inserted terminal, rubber seal
Enclose support ring clamping.
3. a kind of agricultural water-saving irrigation equipment according to claim 2 with connecing triple valve by hard tube fastly, it is characterised in that: In
The inside of the rubber seal outer end is equipped with annular arm slot, is equipped with annular arm in the outside of rubber seal support ring inner end
It is convex；The annular arm slot connects with annular arm convex clip.
4. a kind of agricultural water-saving irrigation equipment according to claim 2 with connecing triple valve by hard tube fastly, it is characterised in that: In
The outside of the rubber seal middle-end is equipped with annular sealing flange.
5. a kind of agricultural water-saving irrigation equipment according to claim 2 with connecing triple valve by hard tube fastly, it is characterised in that: In
The inside of the support sleeve inner end is equipped with the first cyclic convex edge, and ring-type is equipped on the outside of 4 outer end of rubber seal support ring
Protrusion, first cyclic convex edge and annular projection are clamped.
6. a kind of agricultural water-saving irrigation equipment according to claim 5 with connecing triple valve by hard tube fastly, it is characterised in that: In
The inside of the support sleeve middle-end is equipped with the second cyclic convex edge, is equipped with annular shoulder, institute on the outside of the inner end of the folding pressure ring
It states the second cyclic convex edge and annular shoulder is clamped.
7. a kind of agricultural water-saving irrigation equipment according to claim 6 with connecing triple valve by hard tube fastly, it is characterised in that: In
It is equipped with annular barrier portion on the outside of the support sleeve middle-end, annular is equipped on the inside of the inserted terminal port and stops slot, the ring-type
Blocking portion and annular stop slot clamping.
8. a kind of agricultural water-saving irrigation equipment according to claim 1 with connecing triple valve by hard tube fastly, it is characterised in that: In
It is described it is double connect to be evenly distributed on the periphery of plastomer multiple double connect plastomer protrusion.
9. a kind of agricultural water-saving irrigation equipment according to claim 1 with connecing triple valve by hard tube fastly, it is characterised in that: institute
It states and double connect plastomer, threeway valve assembly, singly connects plastomer and hard tube assembly parts are all made of plastic material and are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821735660.4U CN209638443U (en) | 2018-10-25 | 2018-10-25 | A kind of agricultural water-saving irrigation equipment with connecing triple valve by hard tube fastly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821735660.4U CN209638443U (en) | 2018-10-25 | 2018-10-25 | A kind of agricultural water-saving irrigation equipment with connecing triple valve by hard tube fastly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209638443U true CN209638443U (en) | 2019-11-15 |
Family
ID=68471283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821735660.4U Expired - Fee Related CN209638443U (en) | 2018-10-25 | 2018-10-25 | A kind of agricultural water-saving irrigation equipment with connecing triple valve by hard tube fastly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209638443U (en) |
-
2018
- 2018-10-25 CN CN201821735660.4U patent/CN209638443U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191115 |