CN208940584U - A kind of afforestation Water saving type watering arrangement - Google Patents
A kind of afforestation Water saving type watering arrangement Download PDFInfo
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- CN208940584U CN208940584U CN201821596228.1U CN201821596228U CN208940584U CN 208940584 U CN208940584 U CN 208940584U CN 201821596228 U CN201821596228 U CN 201821596228U CN 208940584 U CN208940584 U CN 208940584U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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Abstract
The utility model discloses a kind of afforestation Water saving type watering arrangements, including bottom plate, right side at the top of bottom plate is fixedly connected with water tank, feeding port is offered at the top of water tank, bottom on the right side of tank inner wall is provided with drainpipe, the right end of drainpipe is through water tank and extends to its right side, and the left side at the top of bottom plate is fixedly connected with water pump, is fixedly connected with water inlet pipe on the water inlet of water pump.The utility model passes through handle, connecting rod, movable plate, buffer spring, sliding slot, sliding block, mounting plate, fixture block, the first fixed block, the first connecting plate, telescopic block, the mutual cooperation for squeezing spring, the second fixed block, the second connecting plate, fixed link, link slot and steel ball, realize the effect of sprinkler head easy to disassemble, solve the problems, such as that irrigation rig sprinkler head is not easy to disassembly, disassembly process is simple, it is overhauled and is safeguarded convenient for disassembling sprinkler head, the consume speed of sprinkler head is reduced, is brought great convenience for the work of people.
Description
Technical field
The utility model relates to afforestation irrigation technique field, specially a kind of afforestation Water saving type watering arrangement.
Background technique
With social and economic development, people reach a new height to the understanding of environmental protection, and afforestation area is gradually
Increase, in the process, the plantation of trees and various green plantss, maintenance work amount are increasing, need in afforestation pair
Trees are irrigated, and people need to use irrigation sprinkler head and poured on a large scale, often when carrying out afforestation irrigation
See that irrigation rig sprinkler head is not easy to dismantle, most of sprinkler heads are fixed to each other with water pipe, are not easy to disassemble, and are dismantled
Process is more troublesome, so as to cause people after completing daily pouring, be not easy to disassemble sprinkler head carry out maintenance and
Maintenance, to reduce the service life of sprinkler head, accelerates the consume speed of sprinkler head, brings unnecessary property for people
Loss is that the work belt of people carrys out greatly inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of afforestation Water saving type watering arrangements, have sprinkler head easy to disassemble
Advantage solves the problems, such as that common irrigation rig sprinkler head is not easy to disassembly.
To achieve the above object, the utility model provides the following technical solutions: a kind of afforestation Water saving type watering arrangement, packet
Bottom plate is included, the right side at the top of the bottom plate is fixedly connected with water tank, feeding port is offered at the top of the water tank, in the water tank
Bottom on the right side of wall is provided with drainpipe, and the right end of the drainpipe through water tank and extends to its right side, at the top of the bottom plate
Left side be fixedly connected with water pump, water inlet pipe is fixedly connected on the water inlet of the water pump, the right end of the water inlet pipe runs through
It water tank and extends to inside it, outlet pipe is fixedly connected on the water outlet of the water pump, the outlet pipe is far from water pump water outlet
Mouthful one end be provided with spray head, the right end of the spray head through outlet pipe and extends to inside it, the surface of the outlet pipe and
The positional symmetry setting of corresponding spray head is provided with handle, the right side of the handle on the left of the firm shell there are two shell is consolidated
It is fixedly connected with connecting rod, the right end of the connecting rod, which runs through firm shell and extends to, is fixedly connected with movable plate inside it, position
The surface of connecting rod inside firm shell is socketed with buffer spring, and the left side of the firm shell inner wall passes through buffer spring and work
It being fixedly connected on the right side of movable plate, the position of the top and bottom of the firm shell inner wall and corresponding movable plate offers sliding slot,
The top and bottom of the movable plate is fixedly connected to sliding block, and the sliding block is slidably connected on the inner wall of sliding slot, the work
It is fixedly connected with mounting plate on the right side of movable plate, the top and bottom of the outlet pipe and being located on the right side of firm shell is fixedly connected with
Set casing is fixedly connected on the left of the right side of the firm shell and set casing, and the right side of the mounting plate is successively passed through from left to right
It wears firm shell and set casing and extends to the inside of set casing, be provided with fixture block on the right side of the mounting plate inside set casing,
It contacts with each other on the right side of the left side of the fixture block and mounting plate, the fixture block is fixedly connected with first far from the side of outlet pipe and consolidates
Determine block, first fixed block is fixedly connected with the first connecting plate far from the side of fixture block, the surface of first connecting plate with
The inner wall of set casing contacts with each other, and first connecting plate is fixedly connected with telescopic block far from the side of the first fixed block, described
Side of the telescopic block far from the first connecting plate is fixedly connected with the inner wall of set casing, and the surface of the telescopic block is socketed with extruding bullet
The inner wall of spring, the set casing is fixedly connected with the first connecting plate close to the side of telescopic block by squeezing spring, the fixture block
Side close to outlet pipe is fixedly connected with the second fixed block, and second fixed block is fixedly connected with the far from the side of fixture block
Two connecting plates, the surface of second connecting plate and the inner wall of set casing contact with each other, and second connecting plate is solid far from second
The side for determining block is fixedly connected with fixed link, and the fixed link sequentially passes through set casing and water outlet far from one end of the second connecting plate
Manage and extend to the inside of outlet pipe, the position of the top and bottom of the spray head and corresponding fixed link offers link slot, institute
It states in groove of the fixed link far from the second one end of the connection board and is connected with the steel ball being used cooperatively with link slot.
Preferably, the position of the inner wall of the outlet pipe and corresponding spray head is fixedly connected with the first sealing ring, and described first
The inner wall of sealing ring and the surface of spray head contact with each other, and the outlet pipe is fixedly connected with second far from one end of pump outlet
Sealing ring, the inner wall of second sealing ring and the surface of spray head contact with each other.
Preferably, support plate, the top of the support plate and the bottom of outlet pipe are fixedly connected at the top of the bottom plate
It is fixedly connected.
Preferably, the inner wall of the set casing and be located at fixed link at left and right sides of be fixedly connected to rubber pad, it is described
Rubber pad contacts with each other close to the side of the second connecting plate with the second connecting plate.
Preferably, the top at left and right sides of the tank inner wall is fixedly connected to mounting blocks, leads between two mounting blocks
Filter screen is crossed to be fixedly connected.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model passes through handle, connecting rod, movable plate, buffer spring, sliding slot, sliding block, mounting plate, fixture block, the
One fixed block, telescopic block, squeezes spring, the second fixed block, the second connecting plate, fixed link, link slot and steel ball at the first connecting plate
Mutual cooperation, realize the effect of sprinkler head easy to disassemble, solve the problems, such as irrigation rig sprinkler head be not easy to disassembly, tear open
It is simple to unload process, is overhauled and is safeguarded convenient for disassembling sprinkler head, the service life of sprinkler head is increased, reduces spray
The consume speed of head is spilt, is brought great convenience for the work of people.
2, the utility model is improved and is sealed between outlet pipe and spray head by the first sealing ring of setting and the second sealing ring
Property, it avoids water from flowing out in the gap between outlet pipe and spray head, by the way that support plate is arranged, plays the work of support outlet pipe
With, by setting rubber pad, the second connecting plate and set casing is avoided to collide, influences the service life of the second connecting plate, it is logical
Setting mounting blocks and filter screen are crossed, impurity is avoided to enter the inside of water tank.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the structure of the utility model front view;
Fig. 2 is the partial enlarged view of A-A in the utility model Fig. 1;
Fig. 3 is the partial enlarged view of B-B in the utility model Fig. 2.
In figure: 1 bottom plate, 2 water tanks, 3 feeding ports, 4 drainpipes, 5 water pumps, 6 water inlet pipes, 7 outlet pipes, 8 spray heads, 9 firm shells,
10 handles, 11 connecting rods, 12 movable plates, 13 buffer springs, 14 sliding slots, 15 sliding blocks, 16 mounting plates, 17 set casings, 18 fixture blocks, 19
First fixed block, 20 first connecting plates, 21 telescopic blocks, 22 extruding springs, 23 second fixed blocks, 24 second connecting plates, 25 are fixed
Bar, 26 link slots, 27 steel balls, 28 first sealing rings, 29 second sealing rings, 30 support plates, 31 rubber pads, 32 mounting blocks, 33 mistakes
Strainer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3, a kind of afforestation Water saving type watering arrangement, including bottom plate 1 are please referred to, the right side at 1 top of bottom plate is fixed to be connected
It is connected to water tank 2, the top of water tank 2 offers feeding port 3, by the way that feeding port 3 is arranged, when so that water tank 2 not having water, can pass through
Feeding port 3 adds water into water tank 2, and the top at left and right sides of 2 inner wall of water tank is fixedly connected to mounting blocks 32, two mounting blocks 32
Between be fixedly connected by filter screen 33, by setting mounting blocks 32 and filter screen 33, impurity is avoided to enter the inside of water tank 2,
Bottom on the right side of 2 inner wall of water tank is provided with drainpipe 4, and the right end of drainpipe 4 through water tank 2 and extends to its right side, by setting
Drainpipe 4 to be set, the unused waste water of long-time in water tank 2 is discharged, the left side at 1 top of bottom plate is fixedly connected with water pump 5,
Water inlet pipe 6 is fixedly connected on the water inlet of water pump 5, the right end of water inlet pipe 6 through water tank 2 and extends to inside it, water pump 5
Outlet pipe 7 is fixedly connected on water outlet, the top of bottom plate 1 is fixedly connected with support plate 30, the top of support plate 30 and water outlet
The bottom of pipe 7 is fixedly connected, and plays the role of supporting outlet pipe 7 by the way that support plate 30 is arranged, outlet pipe 7 goes out far from water pump 5
The one end at the mouth of a river is provided with spray head 8, and the right end of spray head 8 through outlet pipe 7 and extends to inside it, the inner wall of outlet pipe 7 and right
The position of spray head 8 is answered to be fixedly connected with the first sealing ring 28, the surface of the inner wall and spray head 8 of the first sealing ring 28 contacts with each other,
Outlet pipe 7 is fixedly connected with the second sealing ring 29, the inner wall and spray head 8 of the second sealing ring 29 far from one end of 5 water outlet of water pump
Surface contact with each other, by setting the first sealing ring 28 and the second sealing ring 29, improve close between outlet pipe 7 and spray head 8
Feng Xing avoids water from flowing out in the gap between outlet pipe 7 and spray head 8, the position pair of the surface of outlet pipe 7 and corresponding spray head 8
Claim setting there are two firm shell 9, the left side of firm shell 9 is provided with handle 10, and the right side of handle 10 is fixedly connected with connecting rod 11,
The right end of connecting rod 11, which runs through firm shell 9 and extends to inside it, is fixedly connected with movable plate 12, the company inside firm shell 9
The surface of extension bar 11 is socketed with buffer spring 13, and the left side for consolidating 9 inner wall of shell passes through the right side of buffer spring 13 and movable plate 12
It is fixedly connected, by the way that buffer spring 13 is arranged, plays the effect that Compressive activities plate 12 moves right, consolidate the top of 9 inner wall of shell
Portion is with bottom and the position of corresponding movable plate 12 offers sliding slot 14, and the top and bottom of movable plate 12 is fixedly connected to cunning
Block 15, sliding block 15 are slidably connected on the inner wall of sliding slot 14, by setting sliding block 15 and sliding slot 14, improve the steady of movable plate 12
Solidity, the right side of movable plate 12 are fixedly connected with mounting plate 16, the top and bottom of outlet pipe 7 and the right side for being located at firm shell 9
Be fixedly connected with set casing 17, the right side of firm shell 9 is fixedly connected with the left side of set casing 17, the right side of mounting plate 16 from a left side to
The right side sequentially passes through firm shell 9 and set casing 17 and the inside for extending to set casing 17, the mounting plate 16 inside set casing 17
Right side be provided with fixture block 18, the left side of fixture block 18 and the right side of mounting plate 16 contact with each other, fixture block 18 far from outlet pipe 7 one
Side is fixedly connected with the first fixed block 19, and the first fixed block 19 is fixedly connected with the first connecting plate 20 far from the side of fixture block 18,
The surface of first connecting plate 20 and the inner wall of set casing 17 contact with each other, side of first connecting plate 20 far from the first fixed block 19
It is fixedly connected with telescopic block 21, telescopic block 21 is fixedly connected with the inner wall of set casing 17 far from the side of the first connecting plate 20, stretches
The surface of contracting block 21, which is socketed with, squeezes spring 22, and the inner wall of set casing 17 is by squeezing spring 22 and the first connecting plate 20 is close stretches
The side of contracting block 21 is fixedly connected, and is played by setting telescopic block 21 and extruding spring 22 by squeezing the elastic force of spring 22
The effect that the first connecting plate 20 is moved close to outlet pipe 7 is squeezed, fixture block 18 is fixedly connected with second close to the side of outlet pipe 7 and consolidates
Determine block 23, the second fixed block 23 is fixedly connected with the second connecting plate 24, the surface of the second connecting plate 24 far from the side of fixture block 18
Contact with each other with the inner wall of set casing 17, the inner wall of set casing 17 and be located at fixed link 25 the left and right sides be fixedly connected to rubber
Rubber mat 31, rubber pad 31 contact with each other close to the side of the second connecting plate 24 with the second connecting plate 24, by the way that rubber pad 31 is arranged,
It avoids the second connecting plate 24 and set casing 17 from colliding, influences the service life of the second connecting plate 24, the second connecting plate 24 is remote
Side from the second fixed block 23 is fixedly connected with fixed link 25, and fixed link 25 is sequentially passed through far from one end of the second connecting plate 24
Set casing 17 and outlet pipe 7 and the inside for extending to outlet pipe 7, the position of the top and bottom of spray head 8 and corresponding fixed link 25
Link slot 26 is offered, fixed link 25 is connected in the groove far from 24 one end of the second connecting plate to be made with the cooperation of link slot 26
Steel ball 27 passes through handle 10, connecting rod 11, movable plate 12, buffer spring 13, sliding slot 14, sliding block 15, mounting plate 16, card
Block 18, the first fixed block 19, the first connecting plate 20, telescopic block 21, squeeze spring 22, the second fixed block 23, the second connecting plate 24,
The mutual cooperation of fixed link 25, link slot 26 and steel ball 27 realizes the effect of sprinkler head easy to disassemble, solves irrigation rig
Sprinkler head is not easy to the problem of disassembly, and disassembly process is simple, is overhauled and is safeguarded convenient for disassembling sprinkler head, increased
The service life of sprinkler head reduces the consume speed of sprinkler head, brings great convenience for the work of people.
In use, pulling two handles 10, handle 10 drives connecting rod when spray head 8 needs to dismantle lower maintenance and maintenance
11 move downward, and connecting rod 11 drives movable plate 12 to move, and movable plate 12 moves in sliding slot 14 with movable slider 15, movable plate 12
The compressional movement to the left of buffer spring 13 is driven, movable plate 12 drives mounting plate 16 to move downward, and mounting plate 16 is transported far from fixture block 18
It is dynamic, when mounting plate 16 is far from fixture block 18, spray head 8 is pulled to the left, and spray head 8 drives link slot 26 to move downward, and link slot 26 is logical
It crosses and the mutual cooperation of steel ball 27, so that steel ball 27 move close to the second connecting plate 24, the drive fixed link 25 of steel ball 27 is close to the
The movement of two connecting plates 24, fixed link 25 drive the movement of the second connecting plate 24, and the second connecting plate 24 drives the second fixed block 23, fixture block
18 and first fixed block 19 far from outlet pipe 7 move, the first fixed block 19 drive the first connecting plate 20 movement, the first connecting plate 20
Telescopic block 21 is driven to move, the first connecting plate 20, which drives, squeezes spring 22 far from the movement of outlet pipe 7, realizes disassembly sprinkler head
Effect.
In summary: the afforestation Water saving type watering arrangement passes through handle 10, connecting rod 11, movable plate 12, buffer spring
13, sliding slot 14, sliding block 15, mounting plate 16, fixture block 18, the first fixed block 19, the first connecting plate 20, telescopic block 21, extruding spring
22, the mutual cooperation of the second fixed block 23, the second connecting plate 24, fixed link 25, link slot 26 and steel ball 27 realizes convenient for tearing open
The effect for unloading sprinkler head solves the problems, such as that common irrigation rig sprinkler head is not easy to disassembly.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of afforestation Water saving type watering arrangement, including bottom plate (1), it is characterised in that: the right side at the top of the bottom plate (1) is solid
Surely it is connected with water tank (2), is offered feeding port (3) at the top of the water tank (2), the bottom on the right side of water tank (2) inner wall is set
It is equipped with drainpipe (4), the right end of the drainpipe (4) through water tank (2) and extends to its right side, at the top of the bottom plate (1)
Left side is fixedly connected with water pump (5), is fixedly connected with water inlet pipe (6) on the water inlet of the water pump (5), the water inlet pipe (6)
Right end through water tank (2) and extending to inside it, be fixedly connected with outlet pipe (7) on the water outlet of the water pump (5), it is described
Outlet pipe (7) is provided with spray head (8) far from one end of water pump (5) water outlet, and the right end of the spray head (8) runs through outlet pipe (7)
And extend to inside it, there are two the positional symmetry settings of the surface of the outlet pipe (7) and corresponding spray head (8) firm shell (9),
It is provided with handle (10) on the left of the firm shell (9), is fixedly connected with connecting rod (11) on the right side of the handle (10), it is described
The right end of connecting rod (11), which runs through firm shell (9) and extends to inside it, is fixedly connected with movable plate (12), is located at firm shell (9)
The surface of internal connecting rod (11) is socketed with buffer spring (13), passes through buffer spring on the left of firm shell (9) inner wall
(13) it is fixedly connected on the right side of movable plate (12), the top and bottom and correspondence movable plate (12) of firm shell (9) inner wall
Position offer sliding slot (14), the top and bottom of the movable plate (12) is fixedly connected to sliding block (15), the cunning
Block (15) is slidably connected on the inner wall of sliding slot (14), is fixedly connected with mounting plate (16), institute on the right side of the movable plate (12)
It states the top and bottom of outlet pipe (7) and is located on the right side of firm shell (9) and be fixedly connected with set casing (17), the firm shell
(9) it is fixedly connected on the left of right side and set casing (17), the right side of the mounting plate (16) sequentially passes through firm from left to right
Shell (9) and set casing (17) and the inside for extending to set casing (17) are located at the right side of set casing (17) internal mounting plate (16)
Side is provided with fixture block (18), is contacted with each other on the right side of the left side and mounting plate (16) of the fixture block (18), and the fixture block (18) is remote
The side for separating out water pipe (7) is fixedly connected with the first fixed block (19), and the one of first fixed block (19) separate fixture block (18)
Side is fixedly connected with the first connecting plate (20), the surface of first connecting plate (20) and the inner wall phase mutual connection of set casing (17)
Touching, first connecting plate (20) are fixedly connected with telescopic block (21), the telescopic block far from the side of the first fixed block (19)
(21) side far from the first connecting plate (20) is fixedly connected with the inner wall of set casing (17), the surface set of the telescopic block (21)
It is connected to and squeezes spring (22), the inner wall of the set casing (17) is by squeezing spring (22) and the first connecting plate (20) close to flexible
The side of block (21) is fixedly connected, and the fixture block (18) is fixedly connected with the second fixed block (23) close to the side of outlet pipe (7),
Second fixed block (23) is fixedly connected with the second connecting plate (24) far from the side of fixture block (18), second connecting plate
(24) inner wall on surface and set casing (17) contacts with each other, and the one of second connecting plate (24) separate second fixed block (23)
Side is fixedly connected with fixed link (25), and the fixed link (25) sequentially passes through set casing far from the one end of the second connecting plate (24)
(17) and outlet pipe (7) and the inside for extending to outlet pipe (7), the top and bottom of the spray head (8) and corresponding fixed link
(25) position offers link slot (26), and the fixed link (25) connects far from activity in the groove of the second connecting plate (24) one end
It is connected to the steel ball (27) being used cooperatively with link slot (26).
2. a kind of afforestation Water saving type watering arrangement according to claim 1, it is characterised in that: the outlet pipe (7)
The position of inner wall and corresponding spray head (8) is fixedly connected with the first sealing ring (28), the inner wall of first sealing ring (28) and spray
The surface of head (8) contacts with each other, and the outlet pipe (7) is fixedly connected with the second sealing ring far from one end of water pump (5) water outlet
(29), the surface of the inner wall and spray head (8) of second sealing ring (29) contacts with each other.
3. a kind of afforestation Water saving type watering arrangement according to claim 1, it is characterised in that: the top of the bottom plate (1)
Portion is fixedly connected with support plate (30), and the top of the support plate (30) is fixedly connected with the bottom of outlet pipe (7).
4. a kind of afforestation Water saving type watering arrangement according to claim 1, it is characterised in that: the set casing (17)
Inner wall and be located at fixed link (25) at left and right sides of be fixedly connected to rubber pad (31), the rubber pad (31) close to second connect
The side of fishplate bar (24) contacts with each other with the second connecting plate (24).
5. a kind of afforestation Water saving type watering arrangement according to claim 1, it is characterised in that: water tank (2) inner wall
It is fixedly connected at the top of the left and right sides mounting blocks (32), connects between two mounting blocks (32) by the way that filter screen (33) are fixed
It connects.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821596228.1U CN208940584U (en) | 2018-09-29 | 2018-09-29 | A kind of afforestation Water saving type watering arrangement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821596228.1U CN208940584U (en) | 2018-09-29 | 2018-09-29 | A kind of afforestation Water saving type watering arrangement |
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Publication Number | Publication Date |
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CN208940584U true CN208940584U (en) | 2019-06-07 |
Family
ID=66740019
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CN201821596228.1U Expired - Fee Related CN208940584U (en) | 2018-09-29 | 2018-09-29 | A kind of afforestation Water saving type watering arrangement |
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CN (1) | CN208940584U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115176672A (en) * | 2022-07-05 | 2022-10-14 | 内蒙古天禹水利水电有限责任公司 | Water-saving agricultural irrigation device |
-
2018
- 2018-09-29 CN CN201821596228.1U patent/CN208940584U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115176672A (en) * | 2022-07-05 | 2022-10-14 | 内蒙古天禹水利水电有限责任公司 | Water-saving agricultural irrigation device |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190607 Termination date: 20210929 |
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CF01 | Termination of patent right due to non-payment of annual fee |