CN209531175U - A kind of spray head - Google Patents
A kind of spray head Download PDFInfo
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- CN209531175U CN209531175U CN201920007713.9U CN201920007713U CN209531175U CN 209531175 U CN209531175 U CN 209531175U CN 201920007713 U CN201920007713 U CN 201920007713U CN 209531175 U CN209531175 U CN 209531175U
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- pipe
- hole
- conical
- taper pipe
- internal diameter
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Abstract
The utility model discloses a kind of spray heads, it is related to field of flow control, including nozzle component and elastic Taper Pipe, elastic Taper Pipe is in the pipeline of nozzle component, the outer surface of elastic Taper Pipe is coniform, elastic Taper Pipe inner surface is conical through-hole, the first end of elastic Taper Pipe is circular ring shape, the second end of elastic Taper Pipe is circular ring shape, the first end outer diameter D 1 of elastic Taper Pipe is greater than the second end outer diameter D 2 of elastic Taper Pipe, the first end internal diameter d1 of conical through-hole is greater than the second end internal diameter d2 of conical through-hole, the second end of elastic Taper Pipe is against water inlet, the first end of elastic Taper Pipe and the internal diameter of pipeline are interference fitted.Spray head in the utility model, there is water flow out-of-date, the outside of elastic Taper Pipe and inside form pressure difference, and the second end of Taper Pipe through-hole becomes smaller under stress, to effectively stabilize discharge pressure, reduce water flow, the utility model structure is simple, easy to use, low in cost, can be effective water-saving, stable flow is provided.
Description
Technical field
The utility model relates to field of flow control more particularly to a kind of spray heads.
Background technique
In field of industrial safety, certain occasions with chemicals splashing, it is contemplated that chemicals may be to face
It is even injured caused by eyes, it is necessary to be equipped with dedicated eye syringe at operation scene.A special equipment is washed as one kind, to water quality
Cleannes with regard to requirement with higher.In addition, making eye syringe since the water supply pressure at common operation scene changes greatly
Water spray height also changes therewith, to keep eye syringe unstable to the cleaning effect of eyes.
Therefore, those skilled in the art is dedicated to developing a kind of with automatic voltage regulation, and water yield is stable, and water quality is higher
Spray head.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved in the utility model is changed in water feeding pressure
In the case where very big, how to make spray head go out water speed and water yield is relatively stable, water quality is higher.
To achieve the above object, the present invention provides a kind of spray head, the spray head includes nozzle component and elastic Taper Pipe, institute
Elastic Taper Pipe is stated in the pipeline of the nozzle component, the outer surface of the elasticity Taper Pipe is coniform, the elasticity Taper Pipe
Inner surface be conical through-hole, it is described elasticity Taper Pipe first end be circular ring shape, it is described elasticity Taper Pipe second end be annulus
Shape, the first end outer diameter D 1 of the elasticity Taper Pipe are greater than the second end outer diameter D 2 of the elastic Taper Pipe, and the of the conical through-hole
One end internal diameter d1 is greater than the second end internal diameter d2 of the conical through-hole, and fluid enters conical through-hole from the second end of conical through-hole,
The fluid is flowed out through conical through-hole from the first end of conical through-hole, and the elasticity Taper Pipe is made of elastic material.
Further, the nozzle component includes Taper Pipe section, the first filter assemblies and the second filter assemblies, the Taper Pipe section
Including the second pipeline section, conical pipe, the first pipe inner segment and the first pipe outer segment, the second end of second pipeline section is connected to the conical pipe
First end, the conical pipe second end are connected to the first pipe inner segment first end, described in the first pipe inner segment second end connection
First pipe outer segment first end, first filter assemblies are arranged in the first pipe outer segment part, and second filter assemblies are set
It sets in second pipeline section part, the elasticity Taper Pipe is arranged in the first pipe inner segment.
Further, the second end of the conical pipe is connected to the first of the first pipe inner segment by a thin-walled through-hole
End, the internal diameter of the thin-walled through-hole are R0, and the internal diameter of the first pipe inner segment is R61, and the internal diameter of second pipeline section is R63,
The internal diameter of the first pipe outer segment is R64, and the internal diameter of the conical pipe first end is R62a, the internal diameter of the conical pipe second end
For R62b, wherein R63 > R62a > R62b > R64 > R61 > R0.
Further, the first end outer rim of the elastic Taper Pipe and the internal diameter of the first pipe inner segment are interference fitted, described
The first end internal diameter d1 of conical through-hole is equal with the internal diameter R0 of the thin-walled through-hole, the first end and described the of the elasticity Taper Pipe
The first end of one pipe inner segment connects, and the conical through-hole and the thin-walled through-hole penetrate through.
Further, first filter assemblies include the first strainer, lower pressure spring and bottom connector, and first strainer is circle
Shape, first strainer and the internal diameter of the first pipe outer segment match, and first strainer is arranged in the first pipe outer segment
First end, the lower pressure spring first end connect with first strainer, and the lower pressure spring second end connects with the bottom connector, institute
Stating bottom connector has external screw thread, and the first pipe outer segment has internal screw thread, the external screw thread of the bottom connector and the first pipe outer segment
Internal screw thread is mutually ratcheting.
Further, second filter assemblies include filtering rack and the second strainer, and second strainer is by the filter
The second end of the second pipeline section is arranged in rack, and second strainer and the screen holder are in circular ring shape, second strainer and institute
The internal diameter for stating the outer diameter and the second pipeline section of screen holder matches.
Further, second filter assemblies include compression spring, water hole lid and limit plug, and interior rib-loop is stamped in the water hole
Ratcheting with the outer rib-loop of second pipeline section, on the screen holder inner hole, the limit plug top exists for the limit plug bottom end
Under the compression spring.
Preferably, the elastic material is rubber or silica gel or other can generate flexible deformation under the pressure of fluid
Material.
Preferably, the first strainer is made of stainless steel filtering net.
Preferably, the second strainer is made of strainer cloth.
The elastic Taper Pipe of the utility model and spray head including the elasticity Taper Pipe pass through elastic Taper Pipe convection current body and carry out flow
It is adjusted with pressure, fluid passes through the Taper Pipe through-hole of elastic Taper Pipe, is formed in the outer surface and inner surface of elastic Taper Pipe
Pressure difference becomes smaller under stress so as to cause Taper Pipe through-hole, and the through-hole to become smaller is further enlarged pressure difference, until Taper Pipe is logical
The deformation Spring balanced of the internal and external pressure difference in hole and elastic Taper Pipe, the Taper Pipe through-hole to become smaller make flow become smaller, and discharge pressure becomes
It is small.
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
It is fully understood from the purpose of this utility model, feature and effect.
Detailed description of the invention
Fig. 1 is the side view of the spray head of a preferred embodiment of the invention；
Fig. 2 is the side view of the elastic Taper Pipe of a preferred embodiment of the utility model；
Fig. 3 is the side view of the Taper Pipe section of a preferred embodiment of the utility model；
Fig. 4 is the explosive view of the spray head of a preferred embodiment of the utility model.
Specific embodiment
Multiple preferred embodiments that the utility model is introduced below with reference to Figure of description, keep its technology contents clearer
Be easy to understand.The utility model can be emerged from by many various forms of embodiments, the protection of the utility model
Range is not limited only to the embodiment mentioned in text.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with
Like numeral label indicates.The size and thickness of each component shown in the drawings are to be arbitrarily shown, and the utility model is not
Limit the size and thickness of each component.Apparent in order to make to illustrate, some places suitably exaggerate the thickness of component in attached drawing.
As shown in Figure 1, water flow enters Taper Pipe section 6 from bottom connector 10, by lower pressure spring 9, by the primary mistake of the first strainer 8
Filter, filters out biggish solid particle, and then water flow reaches elastic Taper Pipe 7, and water flow enters from lesser mouth, from biggish mouth stream
Out, the outer surface and inner surface for making elastic Taper Pipe 7 form pressure difference, and pressure difference also increases when pressure of supply water is higher,
Pressure makes elastic 7 entrance of Taper Pipe become smaller, and elastic 7 water outlet pressure of Taper Pipe keeps relative stability, after water flows through elastic Taper Pipe 7, fixed
Position plug 3, which encounters, to be stopped to generate reversed water flow, be further reduced water flow and pressure difference, is flowed through the second strainer 5 and screen holder
4, lesser solid particle is filtered out, is then sprayed from water hole lid 1, forms upward water flow.Compression spring 2 passes through limit plug 3 and filter
Rack 4 makes the second strainer 5 be maintained at fixed position.Lower pressure spring 9 makes the first strainer 8 keep certain distance with elastic Taper Pipe 7,
To keep water flow unobstructed.
As shown in Fig. 2, the outer surface 72 of elastic Taper Pipe 7 be it is coniform, elastic 7 inner surface of Taper Pipe is conical through-hole
71, the first end of elastic Taper Pipe 7 is circular ring shape, and the second end of elastic Taper Pipe 7 is circular ring shape, the first end outer diameter of elastic Taper Pipe 7
D1 is greater than the second end outer diameter D 2 of elastic Taper Pipe 7, and the first end 71a internal diameter d1 of conical through-hole 71 is greater than the second of conical through-hole 71
71b internal diameter d2 is held, fluid enters conical through-hole 71 from the second end 71b in 71 hole of conical through-hole, flows through conical through-hole 71 from taper
The first end 71a of through-hole 71 flows out, and fluid forms pressure difference between the outer surface 72 and conical through-hole 71 of elastic Taper Pipe 7,
So that elastic Taper Pipe 7 deforms, the second end 71b of conical through-hole 71 becomes smaller, and the deformation elastic force of conical through-hole 71 counteracts pressure difference,
Balance is formed, when the flow velocity of fluid becomes faster, this pressure difference becomes larger, and the second end of conical through-hole 71 becomes smaller, and dotted line is bullet
Property Taper Pipe 7 deform after shape.
As shown in figure 3, Taper Pipe section 6 includes the second pipeline section 63, conical pipe 62, the first pipe inner segment 61 and the first pipe outer segment 64,
The second end of second pipeline section 63 is connected to 62 first end of conical pipe, and 62 second end of conical pipe is connected to 61 first end of the first pipe inner segment, cone
The second end of shape pipe 62 is connected to the first end of the first pipe inner segment 61 by a thin-walled through-hole 60, and 61 second end of the first pipe inner segment connects
Logical first pipe outer segment, 64 first end；The internal diameter of thin-walled through-hole 60 is R0, and the internal diameter of the first pipe inner segment 61 is R61, the second pipeline section 63
Internal diameter be R63, the internal diameter of the first pipe outer segment 64 is R64, and the internal diameter of 62 first end 62a of conical pipe is R62a, conical pipe 62 the
The internal diameter of two end 62b is R62b, wherein R63 > R62a > R62b > R64 > R61 > R0.
The internal diameter of the first end outer rim of elastic Taper Pipe 7 and the first pipe inner segment 61 is interference fitted, and the purpose of interference fit is to make
Water flow can only pass through from conical through-hole 71, and the first end internal diameter d1 of elastic Taper Pipe 7 and the internal diameter R0 of thin-walled through-hole 60 are equal, elasticity
The first end of Taper Pipe 7 connects with the first end of the first pipeline section, and conical through-hole 71 and thin-walled through-hole 60 penetrate through.
First filter assemblies include the first strainer 8, lower pressure spring 9 and bottom connector 10, and the first strainer 8 is rounded outer in the first pipe
Match in section 64 with the internal diameters of the first pipe outer segment 64, lower 9 first end of pressure spring connects with the first strainer 8, lower 9 second end of pressure spring and
Bottom connector 10 connects, and bottom connector 10 has external screw thread, and the first pipe outer segment 64 has internal screw thread, and the external screw thread of bottom connector 10 and the first pipe are outer
The internal screw thread of section 64 is mutually ratcheting, can be reduced by fluid pressure after the first filter assemblies.
Second filter assemblies include filtering rack 4 and the second strainer 5, and the second strainer 5 is arranged by screen holder 4 in the second pipeline section
63 second end, the second strainer 5 and screen holder 4 are in circular ring shape, the outer diameter and the second pipeline section 63 of the second strainer 5 and screen holder 4
Internal diameter matches, and fluid is stopped by screen holder 4 and the second strainer 5, is detained in the space formed with conical pipe 62, further slows down
The movement of fluid and the pressure of fluid.
Second filter assemblies further include compression spring 2, water hole lid 1 and limit plug 3, and water hole lid 1 has interior rib-loop and the second pipeline section
63 outer rib-loop is ratcheting, and 3 bottom end of limit plug is on 4 inner hole of screen holder, and 3 top of limit plug is under compression spring 2, due to limit plug 3
Aperture be greater than thin-walled through-hole 60 aperture, fluid from thin-walled through-hole 60 pass through backlash to the direction of limit plug 3, in limit plug 3
The fluid that rebound is formed after being blocked further slows down the movement of fluid and the pressure of fluid.
Preferably, elastic material is rubber or silica gel or other can generate the material of flexible deformation under the pressure of fluid
Material.
Preferably, the second strainer 5 is made of strainer cloth, and the fluid of logical filter net cloth 5 can make the water outlet of water hole lid 1 more equal
It is even.
Preferably, the first strainer 8 is made of stainless steel filtering net, and stainless steel filtering net can filter thicker impurity, to fluid
Movement generates obstruction.
In this example, fluid is entered with turbulence state from the second end 71b of conical through-hole 71, from the first of conical through-hole 71
71a outflow is held, fluid generates pressure in the outer surface of elastic Taper Pipe 7 and the second end of elastic Taper Pipe 7 by elastic Taper Pipe 7,
So that the second end 72b through-hole of conical through-hole 71 becomes smaller, the screen resilience that conical through-hole 71 deforms counteracts pressure, due to d1
> d2, fluid dissipate in through-hole, so that becoming smaller from the fluid pressure that conical through-hole 71 flows out, flow through thin-walled through-hole 60 and enter cone
Shape pipe 62, flow quantity is relatively stable out, by the second strainer 5, to use liquid speed degree and liquid outlet quantity is relatively stable.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that this field ordinary skill without
It needs creative work according to the present utility model can conceive and makes many modifications and variations.Therefore, it is all in the art
Technical staff passes through logical analysis, reasoning, or a limited experiment according to the design of the utility model on the basis of existing technology can
It, all should be within the scope of protection determined by the claims with obtained technical solution.
Claims (10)
1. a kind of spray head, which is characterized in that including nozzle component and elastic Taper Pipe, the elasticity Taper Pipe is in the nozzle component
In pipeline, it is described elasticity Taper Pipe outer surface be it is coniform, it is described elasticity Taper Pipe inner surface be conical through-hole, the bullet
Property Taper Pipe first end be circular ring shape, it is described elasticity Taper Pipe second end be circular ring shape, it is described elasticity Taper Pipe first end outer diameter
D1 is greater than the second end outer diameter D 2 of the elastic Taper Pipe, and the first end internal diameter d1 of the conical through-hole is greater than the conical through-hole
Second end internal diameter d2, fluid enter conical through-hole from the second end of conical through-hole, and the fluid is through conical through-hole from conical through-hole
First end outflow, it is described elasticity Taper Pipe be made of elastic material.
2. spray head as described in claim 1, which is characterized in that the nozzle component include Taper Pipe section, the first filter assemblies and
Second filter assemblies, the Taper Pipe section include the second pipeline section, conical pipe, the first pipe inner segment and the first pipe outer segment, second pipe
The second end of section is connected to the conical pipe first end, and the conical pipe second end is connected to the first pipe inner segment first end, described
First pipe inner segment second end is connected to the first pipe outer segment first end, and first filter assemblies are arranged in the first pipe outer segment
Part, the second filter assemblies setting are arranged in second pipeline section part, the elasticity Taper Pipe in the first pipe inner segment.
3. spray head as claimed in claim 2, which is characterized in that the second end of the conical pipe passes through a thin-walled through-hole connection
The first end of the first pipe inner segment, the internal diameter of the thin-walled through-hole are R0, and the internal diameter of the first pipe inner segment is R61, described
The internal diameter of second pipeline section is R63, and the internal diameter of the first pipe outer segment is R64, and the internal diameter of the conical pipe first end is R62a, institute
The internal diameter for stating conical pipe second end is R62b, wherein R63 > R62a > R62b > R64 > R61 > R0.
4. spray head as claimed in claim 3, which is characterized in that in the first end outer rim and first pipe of the elasticity Taper Pipe
The internal diameter interference fit of section, the first end internal diameter d1 of the conical through-hole is equal with the internal diameter R0 of the thin-walled through-hole, the bullet
Property Taper Pipe first end connect with the first end of the first pipe inner segment, the conical through-hole and the thin-walled through-hole penetrate through.
5. spray head as claimed in claim 2, which is characterized in that first filter assemblies include the first strainer, lower pressure spring and
Bottom connector, first strainer are circle, and first strainer and the internal diameter of the first pipe outer segment match, first filter
Net is arranged in the first pipe outer segment first end, and the lower pressure spring first end connects with first strainer, the lower pressure spring the
Two ends connect with the bottom connector, and the bottom connector has an external screw thread, and the first pipe outer segment has an internal screw thread, the bottom connector it is outer
Screw thread and the internal screw thread of the first pipe outer segment are mutually ratcheting.
6. spray head as claimed in claim 2, which is characterized in that second filter assemblies include filtering rack and the second filter
The second end of the second pipeline section is arranged in by the screen holder for net, second strainer, and second strainer and the screen holder are in
The internal diameter of the outer diameter and the second pipeline section of circular ring shape, second strainer and the screen holder matches.
7. spray head as claimed in claim 6, which is characterized in that second filter assemblies further include compression spring, water hole lid and
Limit plug, the outer rib-loop that interior rib-loop and second pipeline section are stamped in the water hole is ratcheting, and the limit plug bottom end is in the strainer
On frame inner hole, the limit plug top is under the compression spring.
8. spray head as described in claim 1, which is characterized in that the elastic material is rubber or silica gel or other can be
The material of flexible deformation is generated under Fluid pressure.
9. spray head as claimed in claim 5, which is characterized in that first strainer is made of stainless steel filtering net.
10. spray head as claimed in claim 6, which is characterized in that second strainer is made of strainer cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920007713.9U CN209531175U (en) | 2019-01-03 | 2019-01-03 | A kind of spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920007713.9U CN209531175U (en) | 2019-01-03 | 2019-01-03 | A kind of spray head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209531175U true CN209531175U (en) | 2019-10-25 |
Family
ID=68268262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920007713.9U Active CN209531175U (en) | 2019-01-03 | 2019-01-03 | A kind of spray head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209531175U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109569915A (en) * | 2019-01-03 | 2019-04-05 | 美安士工业科技(上海)有限公司 | A kind of spray head |
-
2019
- 2019-01-03 CN CN201920007713.9U patent/CN209531175U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109569915A (en) * | 2019-01-03 | 2019-04-05 | 美安士工业科技(上海)有限公司 | A kind of spray head |
| CN109569915B (en) * | 2019-01-03 | 2023-10-31 | 美安士工业科技(上海)有限公司 | Spray head |
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