CN208956613U - A kind of douche - Google Patents
A kind of douche Download PDFInfo
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- CN208956613U CN208956613U CN201821195674.1U CN201821195674U CN208956613U CN 208956613 U CN208956613 U CN 208956613U CN 201821195674 U CN201821195674 U CN 201821195674U CN 208956613 U CN208956613 U CN 208956613U
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Abstract
The utility model relates to trees irrigation technique fields, disclose a kind of douche, which includes: to go out stream tree ring in arc-shaped；Stream tree ring includes two sections of stream tubules out out, and two sections of one end for going out stream tubule pass through the first connector while being connected with field hollow billet, are uniformly arranged multiple water outlets on stream tree ring out, and two sections of other ends for going out stream tubule are spaced from each other.A kind of douche provided by the utility model, stream tree ring is provided as End flow pipe, it can be according to characteristics such as crop species, the age of tree and Root Distributions, adjust out stream tree ring size and water outlet quantity, can directly send water to crop root needs water position, rather than it is traditional water is sent to crop root, can avoid earth's surface free flow, reduce moisture evaporation；The douche structure is simple, makes and install simple to operation, can effectively improve the utilization rate of irrigation water, and can save an irrigation period and artificial investment.
Description
Technical field
The utility model relates to trees irrigation technique fields, more particularly to a kind of douche.
Background technique
Due to China human mortality substantial amounts, although gross amount of water resources is more, water consumption is very low per capita.The demand of water resource is several
It is related to the every aspect of national economy, such as industry, agricultural, construction industry, resident living, serious water shortage problem will lead to
Urban modernization construction process, the growth of GDP and the raising of Living consumption are rather limited.Agricultural water accounts for every profession and trade
60% or more of water total amount, agricultural water conservation is extremely urgent.
Existing tubelet effluent mode, only punches on branch pipe, then installs water dropper, adds one end hollow billet, is filling
When water, hollow billet is only guided to the side of tree.Hollow billet is to shelve near tree root for a long time, no fixed device, often because agricultural is living
Dynamic or strong wind keeps its position mobile, and expected irrigation efficiency is not achieved.In addition, hollow billet is arbitrarily shelved, visual effect is bad, and comparison is random,
It may interfere with the farming activity of peasant.Hollow billet, which only simply meets each tree, water, not only irrigates unevenly, but also be easy to lead
Cause the growth of tree uncoordinated.And each tree only one water dropper, so water outlet corresponding to each tree only one, be easy to produce
Raw runoff causes certain places around tree dry, and certain places are lower to seep too many, and evaporation, invalid leakage are big, money of wasting water
Source cannot meet demand of the tree to the various aspects of water to greatest extent.
Often ground will form free flow to traditional tubelet effluent, and uncontrolled according to topography water (flow) direction, and crop can benefit
Water is had a greatly reduced quality.Meanwhile traditional tubelet effluent is not suitable for that the age of tree is larger or the crop of well developed root system, on the one hand should
Class crop irrigation water effective rate of utilization is low；On the other hand since the area of water outlet control increases, cause once to pour water when continuing
Between it is too long, bring inconvenience to irrigation management.
Traditional tubelet effluent often has that irrigation application efficiency is low, is not suitable for that the age of tree is larger or well developed root system
The problem of crop.
Utility model content
(1) technical problems to be solved
The purpose of the utility model is to provide a kind of douches, irrigate for solving or partially solving traditional tubelet effluent
Water effective rate of utilization is low, is not suitable for the problem of age of tree is larger or the crop of well developed root system.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of douche, which includes: in arc-shaped
Stream tree ring out；It is described go out stream tree ring include two sections go out stream tubules, two sections go out stream tubule one end by the first connector simultaneously with
Field hollow billet is connected, and multiple water outlets are uniformly arranged on the tree ring of stream out, and two sections of other ends for going out stream tubule are spaced from each other.
It is described to go out to flow the other end setting pipe plug of tubule on the basis of above scheme；Alternatively, two sections go out the another of stream tubule
One end is connected and baffle is arranged in inside.
On the basis of above scheme, it is uniformly arranged at least one threeway or flow straightener on any tubule of stream out, it is described
The one outlet of threeway or flow straightener is water outlet.
On the basis of above scheme, a kind of douche further include: several fixed frames；The fixed frame goes out to flow along described
The length direction of tree ring is uniformly distributed, and the fixed frame is connect, for the shape of the fixed tree ring of stream out with the tree ring of stream out
Shape size and the support tree ring of stream out leave ground.
On the basis of above scheme, the fixed frame includes bracket, and at the top of the bracket, fixed setting is cyclic annular even
Fitting, the cyclic adapting piece are set in out the outside of stream tree ring.
On the basis of above scheme, a kind of douche further include: field stem and field branch pipe；The field stem one
End is connected with water source, the other end is connected by the second connector with the field branch pipe, and field is arranged in the field branch pipe
Multiple field hairs are arranged at side of the field branch pipe towards field, the length direction interval along the field branch pipe in side
Pipe.
On the basis of above scheme, in the periphery setting fence of the field stem.
On the basis of above scheme, first connector includes: tree ring connecting pipe；The tree ring connecting pipe
One end is connected by threeway or bypass with field hollow billet, and the other end of the tree ring connecting pipe passes through threeway or threeway and change
One end that diameter connector goes out stream tubule with two sections respectively is connect.
On the basis of above scheme, second connector includes: elbow and connection vertical tube；The field stem it is another
One end is connected by elbow with the one end for connecting vertical tube, and the other end of the connection vertical tube is connected by threeway with field branch pipe.
On the basis of above scheme, the diameter of the field hollow billet are as follows: 16 or 25cm；It is described to go out to flow the diameter of tubule
Are as follows: 4-16cm；It is described to go out to flow the diameter of tree ring are as follows: 0.8-2m；The number of the water outlet are as follows: 2-6.
(3) beneficial effect
A kind of douche provided by the utility model, is provided stream tree ring as End flow pipe, can according to crop species,
The characteristics such as the age of tree and Root Distribution adjust out stream tree ring size and water outlet quantity, can directly send water to the need of crop root
Water position, rather than it is traditional water is sent to crop root, can avoid earth's surface free flow, reduce moisture evaporation；In addition, two sections of setting
The other end for flowing tubule out is spaced from each other, and the flowing in two sections out stream tubule of avoidable water is chaotic, can be made from water outlet outflow water
Flow keep stablize, convenient for control water outlet flow；The douche structure is simple, makes and install simple to operation, can have
Effect improves the utilization rate of irrigation water, and can save an irrigation period and artificial investment.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of douche end of the utility model embodiment；
Fig. 2 is a kind of structural schematic diagram of douche front end of the utility model embodiment.
Description of symbols:
1-goes out stream tree ring；2-field hollow billets；3-water outlets；
4-pipe plugs；5-fixed frames；6-threeways；
7-tree ring connecting pipes；8-variable diameter connectors；9-field stems；
10-field branch pipes；11-water sources；12-elbows；
13-connection vertical tubes；14-bypass；15-fields operation road.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The present embodiment provides a kind of douche according to the utility model, and with reference to Fig. 1, which includes: in arc-shaped
Stream tree ring 1 out；The tree ring 1 of stream out goes out including two sections flows tubules, and two sections of one end for going out stream tubule pass through the first connector simultaneously
Be connected with field hollow billet 2, it is described go out stream tree ring 1 on is uniformly arranged multiple water outlets 3, two sections of other ends for going out stream tubule mutually every
It opens.
A kind of douche provided in this embodiment designs stream tree ring 1 and pour water trees.Stream tree ring 1 is whole out is in
Arc-shaped, trees setting are going out stream tree 1 center of ring.Stream tree ring 1 can be divided into two sections of stream tubules out out, and two sections go out to flow one end of tubule
It is connected simultaneously with field hollow billet 2.It can enter two sections simultaneously from the water that field hollow billet 2 conveys to go out in stream tubule.Field hollow billet 2 is
The pipeline of irrigation water is conveyed into field.
Go out on stream tubule at two sections and be provided with water outlet 3, is flowed out into the water gone out in stream tubule from water outlet 3 to trees
It pours water.Two sections of other ends for going out stream tubule are spaced from each other, i.e., the two sections other ends for going out stream tubule are not connected to.
Stream tree ring 1 is arranged around trees out, can make the setting of water outlet 3 around trees rather than root, so that going out
Water is poured water in directly lower seep to the root system of trees that make a circle in trees week, will directly be poured water and be sent to tree root, and improve and fill
Irrigate water effective rate of utilization.Particularly with the age of tree is larger or the trees of well developed root system, the diameter of stream tree ring 1 can be according to tree root out
The distribution of system is arranged, and using stream tree ring 1 and being located at tree root needs at water, raising irrigation water using efficiency, and around trees
One encloses while pouring water, and the efficiency once poured water also can be improved.
A kind of douche provided in this embodiment, be provided stream tree ring 1 be used as End flow pipe, can according to crop species,
The characteristics such as the age of tree and Root Distribution adjust out the size of stream tree ring 1 and the quantity of water outlet 3, can directly send water to root of the crop
System need water position, rather than it is traditional water is sent to crop root, can avoid earth's surface free flow, reduce moisture evaporation；In addition, setting
It sets the other end that two sections go out to flow tubule to be spaced from each other, can avoid water and go out in stream tubule to flow confusion at two sections, can make from water outlet 3
The flow of outflow water keeps stablizing, convenient for control 3 flow of water outlet；The douche structure is simple, production and the simple easily behaviour of installation
Make, the utilization rate of irrigation water can be effectively improved, and an irrigation period and artificial investment can be saved.
On the basis of the above embodiments, further, described to go out to flow the other end setting pipe plug 4 of tubule with reference to Fig. 1；
Alternatively, two sections of other ends for going out stream tubule are connected and baffle are arranged in inside.
Two sections of other ends for going out stream tubule are spaced from each other, and pipe plug 4 can be arranged in the other end for going out stream tubule, be used stream tubule
The other end closing.The other end that two sections go out stream tubule can also be connected, go out two sections in stream tubule in inside setting baffle
The moisture in portion separates.
Going out stream tree ring 1 can be in inc arc-shaped, and be closed in end setting pipe plug 4；It can also be closure
Arc-shaped, but two sections of water flows gone out in stream tubule are separated in internal setting baffle, it will not mix.
On the basis of the above embodiments, further, it is any go out stream tubule on be uniformly arranged at least one threeway 6 or
The one outlet of flow straightener, the threeway 6 or flow straightener is water outlet 3.
The present embodiment based on the above embodiment, is illustrated the setting for stream tubule upper water-out mouth 3.Can go out flow it is small
Threeway 6 or flow straightener are set on pipe as water outlet 3.When using threeway 6 as water outlet 3, it can will go out stream tubule setting
For several segments, two sections of joints of arbitrary neighborhood are connected with two outlets of threeway 6 respectively realizes connection, other the one of threeway 6
A outlet is water outlet 3.
It can also be uniformly arranged in series at least one flow straightener on going out stream tubule, using the one outlet of flow straightener as water outlet
Mouth 3.Water outlet 3 can be arranged towards the center for going out stream tree ring 1, i.e., be arranged towards trees, to make full use of irrigation water, prevent from filling
It irrigates water flow and loses waste.
Threeway 6 or flow straightener are set as water outlet 3, the quantity of threeway 6 or flow straightener can be adjusted in real time as needed, from
And it is conveniently adjusted out the size of stream tree ring 1 and the quantity of water outlet 3.
On the basis of the above embodiments, further, a kind of douche further include: several fixed frames 5；The fixation
Frame 5 is uniformly distributed along the length direction of the tree ring 1 of stream out, and the fixed frame 5 is set ring 1 with the stream out and connect, for fixing
The shape size of the tree ring 1 of stream out and the support tree ring 1 of stream out leave ground.
Based on the above embodiment, setting fixed frame 5 is supported fixation to stream tree ring 1 is gone out to the present embodiment.Fixed frame 5 be with
The bracket that ground is fixedly connected.Stream tree ring 1 will be gone out to be placed on fixed frame 5, be fixed by fixed frame 5, stream tree can be used
Arc-shaped is formed and kept when ring 1 is hose, and controllably produces the size of stream tree ring 1.And fixed frame 5 can use stream tree ring 1 from
Ground is opened, there is a certain distance, to prevent water outlet 3 from contacting with soil and causing to block between water outlet 3 and ground.
Multiple fixed frames 5 can be uniformly arranged along the length direction for going out stream tree ring 1, carry out stable support to stream tree ring 1 is gone out.
On the basis of the above embodiments, further, the fixed frame 5 includes bracket, solid at the top of the bracket
Cyclic adapting piece is set surely, and the cyclic adapting piece is set in out the outside of stream tree ring 1.
Because going out stream tree ring 1 is tubular structure, bracket and cyclic adapting piece can be set by fixed frame 5, bracket can
It fixes on the ground.The top of bracket is arranged in cyclic adapting piece.Cyclic adapting piece can be covered and to flow the outside of tree ring 1, it is right
Stream tree ring 1 carries out stablizing support out.
On the basis of the above embodiments, further, with reference to Fig. 2, a kind of douche further include: field stem 9 and field
Between branch pipe 10；Described 9 one end of field stem is connected with water source 11, the other end passes through the second connector and 10 phase of field branch pipe
Even, the side in field is arranged in the field branch pipe 10, the field branch pipe 10 towards the side in field, along the field branch
Multiple field hollow billets 2 are arranged in the length direction interval of pipe 10.
The douche sets out outflow tube to flow tree ring 1, and process of entirely pouring water further includes field stem 9 and field branch pipe
10.Field stem 9 is connected with water source 11, and water source 11 is delivered to field branch pipe 10.Field branch pipe 10 may be provided at the one of field
Side.Multiple mutually spaced field hollow billets 2 are connect by side of the field branch pipe 10 towards field.
Field hollow billet 2 protrudes into field, so that there is a field hollow billet 2 in the side of each column trees.Stream tree ring 1 is set out
It sets in the periphery of trees, be connected water supply with field hollow billet 2.Field stem 9 is arranged in 15 attachment of field operation road, is convenient for and water source
11 connected and setting field branch pipes 10.
On the basis of the above embodiments, further, in the periphery setting fence of the field stem 9.
The setting of field stem 9, can be in the periphery setting fence of field stem 9, to field head in 15 attachment of field operation road
The pipeline in portion 9 carries out protective separation, prevents human activity from more frequently damaging to field stem 9.
On the basis of the above embodiments, further, with reference to Fig. 1, first connector includes: tree ring connecting pipe
7；One end of the tree ring connecting pipe 7 is connected by threeway 6 or bypass 14 with field hollow billet 2, the tree ring connecting pipe 7
The other end is connect by one end that threeway 6 or threeway 6 and variable diameter connector 8 go out stream tubule with two sections respectively.
First connector is for connecting out stream tree ring 1 and field hollow billet 2.Field hollow billet 2 can pass through threeway 6 or bypass first
14 threaded tree ring connecting pipes 7.Going out setting tree ring connecting pipe 7 between stream tree ring 1 and field hollow billet 2, convenient for drawing pipeline
To trees attachment, consequently facilitating stream tree ring 1 is provided.
The other end for setting ring connecting pipe 7 can be connected by one end that threeway 6 goes out stream tubule with two sections.Alternatively, tree ring connects
The other end in adapter tube road 7 can first connect threeway 6 and draw two outlets, then be separately connected variable diameter connector 8 in two exits,
It is connect by one end that variable diameter connector 8 goes out stream tubule with two sections, it is different from tree 7 diameter of ring connecting pipe to adapt to out flow tubule
The case where.
On the basis of the above embodiments, further, with reference to Fig. 2, second connector includes: elbow 12 and connection
Vertical tube 13；The other end of the field stem 9 is connected by elbow 12 with the one end for connecting vertical tube 13, the connection vertical tube 13
The other end is connected by threeway 6 with field branch pipe 10.
Second connector is for connecting field branch pipe 10 and field stem 9.The settable elbow of the other end of field stem 9
12, convenient for turning.Elbow 12 is connected with the one end for connecting vertical tube 13.Connect vertical tube 13 the other end can by threeway 6 with
Two segment pipes are connected, and two segment pipes are connected to form field branch pipe 10.
Further, the connection type between stream tree ring 1 and field hollow billet 2 can also be other out, to be able to achieve out stream tree
For the purpose of the water supply of ring 1, do not limit this.Connection type between field branch pipe 10 and field stem 9 can also be other, right
This is without limitation.
On the basis of the above embodiments, further, the diameter of the field hollow billet 2 are as follows: 16 or 25cm；It is described to go out to flow
The diameter of tubule are as follows: 4-16cm；It is described to go out to flow the diameter of tree ring 1 are as follows: 0.8-2m；The number of the water outlet 3 are as follows: 2-6.
The size of each pipeline, the diameter for going out stream tree ring 1 and water outlet can be set according to the size of trees or age of tree etc.
The quantity of mouth 3, so that the better adaptation trees of the setting of douche need water position and water requirement.
The quantitative range of the size of above-mentioned each pipeline, the size for going out stream tree ring 1 and water outlet 3 is suitable for most of trees
Demand of pouring water, be conducive to improve irrigation efficiency and improve irrigation water utilization rate.
Further, PE pipeline can be used in the pipeline of field stem 9, field branch pipe 10 and field hollow billet 2.Stream tree ring out
Two sections of 1, which go out to flow tubule, can also be used PE pipeline.
Embodiment 1:
On the basis of the above embodiments, further, a kind of douche includes field stem 9, field branch pipe 10, field
Hollow billet 2 goes out stream tree ring 1 and corresponding connecting pipe.
Field stem 9 is outdoor to be placed near field operation road 15, and material uses PE pipeline and connector.If field operates
15 human activity of road is more frequent, can be in protection facilities such as 9 periphery setting fence of field stem.Field stem 9 connects by second
Fitting can connect for elbow 12, vertical tube, threeway 6 etc. with field branch pipe 10.Field branch pipe 10 by connector can for bypass 14 with
Field hollow billet 2 connects.
Field hollow billet 2 can be connected for threeway 6 or bypass 14, tree ring connecting pipe 7 with stream tree ring 1 is gone out by the first connector
It connects.Stream tree ring 1 includes that PE is managed, connector can be variable diameter, threeway 6 or flow straightener, pipeline fixer and pipe plug 4 out.By going out to flow
It sets the threeway 6 being arranged on ring 1 or flow straightener many places while opening crop irrigation.The douche structure is simple, production and installation letter
It is single easy to operate, the utilization rate of irrigation water can be effectively improved, an irrigation period and artificial investment are saved.
The douche is primarily applicable for fruit tree or landscape planting shrub is irrigated, and mainly can be improved out and flows end-tube
Irrigation efficiency.The douche mainly includes that pipe laying and pipeline Additional connections, simple installation are pressed between pipeline and pipe fitting
Associated construction specification bonding.
Larger for the age of tree, such as century-old fruit tree or landscape arbor, field branch pipe 10 select DN50 pipeline；Field hollow billet 2 is pressed
DN25 pipeline can be selected in situation；Go out stream tubule in stream tree ring 1 out and selects DN16 pipeline；Stream tree 1 diameter of ring can be according to root of the crop out
It is that distribution situation is set as 1.5~2m；Water outlet 3 selects flow straightener, and 4- is arranged according to water demand of crop size in 3 quantity of water outlet
6.
Wherein, field branch pipe 10, field hollow billet 2 and go out stream tubule use PE pipeline.
Embodiment 2:
The present embodiment is substantially the same manner as Example 1, brief for description, during the description of the present embodiment, no longer
Technical characteristic same as Example 1 is described, only illustrates the present embodiment difference from Example 1:
For the lesser common fruit tree of the age of tree or landscape shrub, field branch pipe 10 selects DN50 pipeline；Field hollow billet 2 presses feelings
DN16 or DN25 pipeline can be selected in condition；Stream tree ring 1 selects DN4 pipeline out；Stream tree 1 diameter of ring can be distributed feelings according to crop root out
Condition is set as 0.8~1m；Water outlet 3 selects small diameter tube threeway 6, and 3 quantity of water outlet is arranged 2-3 according to water demand of crop size
?.
Further, can according to the plantation situation in plot in 11 well control range of water source, such as long-term cropping type whether
Single and crop planting model, such as collective's cropping pattern or casual household's cropping pattern, selection are arranged at water source 11 or field stem 9
Fertilizer apparatus, selective setting automation control setting, is integrally applied fertilizer using the douche, fertilising efficiency can be improved,
It saves artificial.
The douche structure is simple, makes and installs and is simple to operation.It, can by transformation end-tube effluent conduit connection
Keep the tubelet effluent of traditional sense more adaptable.According to characteristics such as crop species, the age of tree and Root Distributions, stream tree ring is adjusted out
3 quantity of 1 size and water outlet can avoid earth's surface free flow, reduce moisture evaporation；Directly water can be sent to the need of crop root simultaneously
Water of the root water uptake compared with weak part is reduced in water position.The douche can effectively improve the utilization rate of irrigation water, save primary fill
Water time and artificial investment are highly beneficial to water-saving and irrigation management.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of douche characterized by comprising go out stream tree ring in arc-shaped；The tree ring of stream out includes two sections and goes out stream
Tubule, two sections of one end for going out stream tubule are connected with field hollow billet simultaneously by the first connector, are uniformly set on the tree ring of stream out
Multiple water outlets are set, two sections of other ends for going out stream tubule are spaced from each other.
2. douche according to claim 1, which is characterized in that described to go out to flow the other end setting pipe plug of tubule；Alternatively,
Two sections of other ends for going out stream tubule are connected and baffle are arranged in inside.
3. douche according to claim 1, which is characterized in that it is any go out stream tubule on be uniformly arranged at least one three
The one outlet of logical or flow straightener, the threeway or flow straightener is water outlet.
4. douche according to claim 1, which is characterized in that further include: several fixed frames；The fixed frame is along institute
The length direction for stating out stream tree ring is uniformly distributed, the fixed frame with it is described go out stream tree ring connect, go out to flow and set for fixed described
The shape size of ring and the support tree ring of stream out leave ground.
5. douche according to claim 4, which is characterized in that the fixed frame includes bracket, on the top of the bracket
Cyclic adapting piece is fixedly installed in portion, and the cyclic adapting piece is set in out the outside of stream tree ring.
6. douche according to claim 1, which is characterized in that further include: field stem and field branch pipe；The field
Stem one end is connected with water source, the other end is connected by the second connector with the field branch pipe, and the field branch pipe setting exists
The side in field, it is multiple in side of the field branch pipe towards field, the setting of the length direction interval along the field branch pipe
Field hollow billet.
7. douche according to claim 6, which is characterized in that in the periphery setting fence of the field stem.
8. douche according to claim 1, which is characterized in that first connector includes: tree ring connecting pipe；Institute
The one end for stating tree ring connecting pipe is connected by threeway or bypass with field hollow billet, and the other end of the tree ring connecting pipe passes through
One end that threeway or threeway and variable diameter connector go out stream tubule with two sections respectively is connect.
9. douche according to claim 6, which is characterized in that second connector includes: elbow and connection vertical tube；
The other end of the field stem is connected by elbow with the one end for connecting vertical tube, and the other end of the connection vertical tube passes through threeway
It is connected with field branch pipe.
10. douche according to claim 1, which is characterized in that the diameter of the field hollow billet are as follows: 16 or 25cm；Institute
State out the diameter of stream tubule are as follows: 4-16cm；It is described to go out to flow the diameter of tree ring are as follows: 0.8-2m；The number of the water outlet are as follows: 2-6
It is a.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821195674.1U CN208956613U (en) | 2018-07-26 | 2018-07-26 | A kind of douche |
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| CN201821195674.1U CN208956613U (en) | 2018-07-26 | 2018-07-26 | A kind of douche |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108901787A (en) * | 2018-07-26 | 2018-11-30 | 北京良乡蓝鑫水利工程设计有限公司 | A kind of douche |
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- 2018-07-26 CN CN201821195674.1U patent/CN208956613U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108901787A (en) * | 2018-07-26 | 2018-11-30 | 北京良乡蓝鑫水利工程设计有限公司 | A kind of douche |
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