CN110394244A - A kind of jet stream spool - Google Patents
A kind of jet stream spool Download PDFInfo
- Publication number
- CN110394244A CN110394244A CN201910422698.9A CN201910422698A CN110394244A CN 110394244 A CN110394244 A CN 110394244A CN 201910422698 A CN201910422698 A CN 201910422698A CN 110394244 A CN110394244 A CN 110394244A
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- Prior art keywords
- nozzle
- cold water
- section
- hole
- jet stream
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 142
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000000498 cooling water Substances 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 10
- 239000004033 plastic Substances 0.000 description 10
- 229920003023 plastic Polymers 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- 230000008859 change Effects 0.000 description 7
- 230000008602 contraction Effects 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 239000007769 metal material Substances 0.000 description 6
- 238000005266 casting Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000009827 uniform distribution Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- -1 copper alloy) Chemical compound 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000010417 needlework Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
- B05B1/3026—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being a gate valve, a sliding valve or a cock
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
- B05B1/3402—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to avoid or to reduce turbulencies, e.g. comprising fluid flow straightening means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
- B05B12/1418—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet for supplying several liquids or other fluent materials in selected proportions to a single spray outlet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of jet stream spool, including valve seat, nozzle, rotating member and nozzle needle, limit hole and rotation restrictor are offered in valve seat, limiting section and external thread section are provided on rotating member, and limit hole and limiting section sealing cooperate；Driving internal screw thread is provided in nozzle, sliding part is provided on the outside of nozzle, drive internal screw thread and thread segment threaded, sliding part is plugged in rotation restrictor and slides along rotation restrictor, nozzle needle is arranged in nozzle interior, nozzle side is also provided with the water inlet through nozzle surfaces externally and internally, nozzle lower end offers spout, hot and cold water spaced-apart bosses are provided between nozzle water inlet and spout, sealing ring one is installed in hot and cold water spaced-apart bosses, forms cooling water inlet between valve seat lower end surface and hot and cold water spaced-apart bosses upper surface.The jet stream valve core structure is relatively simple, and materials'use is less, and seal point is less, and sealing is more reliable, and quickly cold water flow can be adjusted, and changes mixing water temperature.
Description
Technical field
The present invention relates to fluidic device, in particular to a kind of jet stream spool.
Background technique
The patent of Patent No. 201310153953.7 discloses a kind of jet stream spool, which includes spool housing, turns
Moving part, nozzle and nozzle needle.Inside spool housing, spool housing lower end is extended to below nozzle for nozzle integral installation, on nozzle
Offer nozzle cooling water inlet.It is provided in order to enable hot water or cold water to be flowed into inside spool housing, in spool housing cold
The mouth of a river and hot water mouth.String water occurs in order to avoid the jet stream spool is installed to after faucet valve body between hot and cold water, outside spool housing
It needs to be arranged a sealing ring between the cold water outlet and hot water mouth of side, setting one is also required between nozzle cooling water inlet and spout
Sealing ring.
There are Railway Projects using this structure for the jet stream spool:
1, spool housing lower end extends to below nozzle, causes spool housing overall volume larger, more using material, cost compared with
It is high.
2, since spool housing extends to below nozzle, cause to need to be sealed between nozzle and spool housing inner wall,
It is also required to be sealed between the outer wall and faucet valve body between spool housing cold water outlet and hot water mouth simultaneously, overall structure is more
It is complicated.Also, a possibility that seal point increases, and leaks also increases, and influences the reliability of the spool.
3, since flow is related with the area of pressure difference and restriction before and after restriction.At the spool nozzle cooling water inlet
Hydraulic pressure be consistent always with the cold water pressure at the cold water outlet in spool housing, and nozzle cold water inlet and cold water outlet
The overlapping area at place is constant always, enters fluid space so that cold water flow only relies on the cold water that nozzle needle and nozzle chamber are formed and is adjusted
Section, cold water flow regulations speed is slower, and rotating member when temperature adjustment is caused to need to rotate more circle number, and it is more inconvenient to adjust.
Summary of the invention
In view of the deficienciess of the prior art, the first purpose of this invention is to provide a kind of jet stream spool, structure compared with
To be simple, materials'use is less, and seal point is less, and sealing is more reliable, and quickly cold water flow can be adjusted, and changes mixed
Heshui temperature.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of jet stream spool, including valve
Seat, nozzle, rotating member and nozzle needle offer limit hole and rotation restrictor in valve seat, are provided with limiting section and drive on rotating member
Dynamic screw thread, limit hole and limiting section sealing cooperate；It is provided with driving internal screw thread in nozzle, is provided with sliding part on the outside of nozzle, drives
Dynamic internal screw thread and driving screw thread threaded, sliding part are plugged in rotation restrictor and slide axially along rotation restrictor, spray
Needle is arranged in nozzle interior, and nozzle side is also provided with the water inlet through nozzle surfaces externally and internally, and nozzle lower end offers spout,
Hot and cold water spaced-apart bosses are provided between nozzle water inlet and spout, hot and cold water spaced-apart bosses outer peripheral surface is directly between faucet valve body
Gap cooperation, hot and cold water spaced-apart bosses side is equipped with sealing ring one, between valve seat lower end surface and hot and cold water spaced-apart bosses upper surface
Form cooling water inlet.
Through the above technical solutions, when the jet stream spool is mounted in faucet valve body, at nozzle hot and cold water spaced-apart bosses
Between the cooling water outlet and hot water outlet of faucet valve body, hot and cold water spaced-apart bosses side directly carries out gap with faucet valve body and matches
It closes, sealing ring one can separate hot and cold water, avoid hot and cold water that string water occurs at this.Between valve seat lower end surface and hot and cold water
Cooling water inlet is formed between boss upper surface, forms hot water inlet between the hot water outlet on nozzle lower end and faucet valve body.
When rotary motion part, rotating member drives nozzle to slide up and down along jet stream valve core axis direction, to change simultaneously cooling water inlet
And the size of hot water inlet, and then change the temperature of mixing water.
Valve seat is in this way, make valve seat lower end without extending to outside nozzle lower end, the case where realizing identical function
Under reduce the entire length of valve seat, reduce the use of seat material, reduce production cost.Setting can subtract so simultaneously
The quantity of few seal point simplifies spool overall structure and the spool is made to have better seal reliability.
In addition, cooling water inlet is arranged so rapidly can increase or reduce cold water flow.When rotary motion part, nozzle
It moves up, the size of cooling water inlet changes at this time, while the gap size between nozzle needle and nozzle lower end
Also change in the same direction occurs.Cooling water inlet size, which changes, can carry out Primary regulation to water flow, between nozzle needle and nozzle lower end
Gap size change adjusting again can be carried out to water flow can be rapidly to cold water by adjusting in the same direction twice
Flow be changed, reduce adjust when rotating member rotation angle, quickly change hot and cold water mixed proportion, realize for go out
The quick adjusting of coolant-temperature gage.
Preferably, rotating member and nozzle needle are wholely set.
Through the above technical solutions, rotating member and nozzle needle are wholely set, no setting is required between nozzle needle and rotating member, and connection is tied
Structure, without avoiding the increase of rapidoprint in order to which connection structure is arranged to increase the outer diameter at this.Using integrally setting, make
Bonding strength is higher between nozzle needle and rotating member, whole rigidity is more preferable, its front end when rotating member is mounted in limit hole
Nozzle needle can also obtain better anti-swing ability, under the percussion of the water flow of same size, the front end of nozzle needle at work
Amplitude of fluctuation it is smaller, the spacing between nozzle needle lateral surface and nozzle inner walls is able to maintain in more constant distance, penetrates this
Flow valve core can stablize jet stream.
When nozzle needle and rotating member are using being wholely set, plastic material is can be used in valve seat, it is possible to use metal material
's.When rotating member and nozzle needle use metal material, it can be processed by way of using cutting to same root bar, it can also
It is processed in a manner of using casting.When rotating member and nozzle needle use plastic material, it can be added by the way of injection molding
Work.When nozzle needle and rotating member use metal material, relative to plastic material, better structural strength and rigidity can be obtained.Nozzle needle
When using plastic material with rotating member, relative to metal material, processing is more convenient, and cost is lower.
Metal material or plastic material also can be used in corresponding nozzle.When using metal material, nozzle or valve
The structural strength of seat is more preferable, more stable after rotating member and nozzle needle installation, when the nozzle or valve seat using plastic material, nozzle
More convenient when with valve seat processing, overall cost is lower.
Preferably, it is provided on nozzle needle and is provided with fin in the axial direction.
Through the above technical solutions, the jet stream spool is in use, valve seat is threaded on faucet valve body, nozzle sliding is set
It sets in the mixed water cavity of faucet valve body, nozzle needle is mounted on nozzle interior, after cold water enters nozzle interior, in nozzle needle and nozzle
Space between wall flows downward, and finally sprays from spout.In the process nozzle needle and nozzle all can by water flow impact and
It influences.If the annular space inner circumferential pressure between nozzle and nozzle needle is uneven, this nozzle needle and nozzle will receive circumferential unevenness
The effect of even hydraulic pressure occurs to swing or shake so as to cause nozzle and nozzle needle.Fin or convex stupefied setting can make
It cooperates between nozzle needle and nozzle, so that nozzle needle and nozzle is formed an entirety, protect the spacing between nozzle needle and nozzle inner walls
Substantially invariable state is held, whole anti-swing ability is increased, the common swing or shake for limiting nozzle needle and nozzle guarantees steady
Determine jet stream.
Fin is set on nozzle needle, can the cooperation of nozzle inner walls, limit the circumferential position of nozzle needle, limit nozzle needle in spool
Circuit oscillation and shake when work guarantee the stabilization jet stream of the jet stream spool.It also can be in nozzle after fin setting simultaneously
Water flow is oriented to, so that the water flow flowing in nozzle is more regular.Fin is arranged on nozzle needle, can be by the way of cutting
It is processed, can also be processed by the way of injection molding or casting.
Preferably, nozzle inner walls are provided with convex stupefied in the axial direction.
Through the above technical solutions, can also be convex stupefied in nozzle inner walls setting, to play the effect as fin.By
In nozzle for nozzle needle, structure is more complicated, general to be processed by the way of injection molding or casting, convex stupefied setting
After nozzle interior, the mode that nozzle is still able to use injection molding is processed, simultaneously because no setting is required on nozzle needle fin, it can
To simplify the processing of nozzle needle.Nozzle makes made of plastic in most cases simultaneously, and convex stupefied setting, also can be more square on nozzle
Just it is processed, while plastics are lower relative to cost for metal, especially copper, can reduce the cost of the spool.
Preferably, valve seat is made of metal, and nozzle is also made of metal.
Through the above technical solutions, valve seat and nozzle are each made of a metal, when the sliding part of nozzle is plugged in valve seat,
Preferable cooperation precision and fixed effect, nozzle itself can be obtained between nozzle and valve seat also has preferable anti-swing energy
Power.Without increasing the anti-swing and shake ability of nozzle by nozzle needle and fin or fin.Simultaneously because fin or fin
Presence, preferable consistency is able to maintain between nozzle and nozzle needle, nozzle needle can be wholely set with rotating member at this time,
It can be split settings with rotating member.
Valve seat is made of metal, and can select copper (including copper alloy), stainless steel or other intensity are higher, corrosion resistance
Other preferable alloys of energy etc..Valve seat is made of metal, and overall structural strength is higher, and non-deformability is stronger, also can to turn
Moving part provides preferable limit effect, and rotating member is also swung in valve seat when preventing nozzle needle front end from swinging.
Preferably, nozzle needle section is circle, and nozzle chamber section is also round.
Through the above technical solutions, can form an annular space between nozzle needle and nozzle, water flow is in annular sky
Interior to flow freely, there is no obstruction, which circumferentially can preferably keep hydraulic pressure to be in uniform state everywhere,
To avoid nozzle needle or nozzle since circumferential hydraulic pressure everywhere is swung to certain side there are larger difference.
Preferably, the nozzle needle includes main paragraph and undergauge section, and undergauge section is between main paragraph and thread segment, and water inlet is logical
Hole face undergauge section.
Through the above technical solutions, the setting of undergauge section can increase the space between undergauge section outer surface and nozzle inner walls
Size reduces the crushing that water flow generates at this to increase the flow area at this.Main paragraph outer diameter is larger, so that main body
Section can be cooperated between convex stupefied inner surface, and nozzle needle end is preferably limited.Thus from nozzle needle subordinate
End limits the swing of nozzle needle, increases stability when nozzle needle work.Biggish main paragraph has preferable anti-pendulum simultaneously
Dynamic and anti-jitter ability, in the water flow fluctuation of same magnitude, the swing and shake of generation are smaller.
Preferably, changeover portion is provided between undergauge section and main paragraph, transition section side is straight line, camber line or stream
Linear curve.
Through the above technical solutions, between undergauge section and main paragraph can gentle transition, avoid at this generate step surface,
Biggish flow-disturbing is generated when water flow being avoided to flow through step surface, avoids circumferential hydraulic pressure everywhere at this from being in non-uniform state, simultaneously
It avoids nozzle needle and nozzle from being generated by the impact of chaotic water flow to swing or shake.
Preferably, cold water through-hole is circle, and cold water through-hole circumference uniform distribution is on nozzle；Or cold water through-hole is rectangle, it is cold
Water through-hole extends to spacer upper surface from the middle part of driving internal screw thread；Or cold water through-hole is rectangle, cold water through-hole face undergauge
Section.
Through the above technical solutions, the area of cold water through-hole can be increased, the crushing that water flow generates at this is reduced, is improved
Jet stream effect.
Preferably, seal groove is offered in the limiting section, and sealing ring two is installed in sealing ring.
Through the above technical solutions, seal groove is provided in limiting section, the length of limiting section will not be occupied.Due to sealing
Ring recess is provided at which, and sealing ring two is just at installation two where.And sealing ring is generally all made of elastic material, it is fixed to play
Position and position-limiting action can reduce effective length of fit on limiting section, influence to rotate if seal groove two is provided on limiting section
The locating effect of part.
Compared with prior art, the invention has the benefit that being improved by the structure to valve seat, so that valve seat is whole
Body material consumption is less, and structure is simpler, while decreasing the quantity of seal point, so that sealing reliability is more preferable.Simultaneously
It is more convenient to use with faster adjustment speed.
Detailed description of the invention
Fig. 1 is the explosive view of embodiment one；
Fig. 2 is the three-dimensional cutaway view of valve seat in embodiment one；
Fig. 3 is the three-dimensional cutaway view of nozzle in embodiment one；
Fig. 4 is the schematic cross-section of rotating member in embodiment one；
Fig. 5 is the schematic cross-section of embodiment one；
Fig. 6 is the schematic cross-section in Fig. 5 at A-A；
Fig. 7 is structural schematic diagram when embodiment one is installed；
Fig. 8 is the nozzle perspective view one in embodiment two；
Nozzle perspective view two in the position Fig. 9 embodiment two；
Figure 10 is the nozzle needle perspective view in embodiment three.
Appended drawing reference: 1, valve seat；2, nozzle；3, rotating member；4, nozzle needle；5, screw thread is driven；6, limiting section；7, limit hole；
8, rotation restrictor；9, internal screw thread is driven；10, convex stupefied；11, sliding part；12, cold water through-hole；13, spout；14, main paragraph；15,
Undergauge section；16, section is led directly to；17, contraction section；18, tapered portion；21, changeover portion；22, hot and cold water spaced-apart bosses；23, sealing ring one；
24, faucet valve body；25, water inlet flow channel one；26, water inlet flow channel two；27, outlet passage；28, sealing ring two；29, cooling water inlet；
30, fin；31, screw thread；32, seal groove；33, valve seat lower end surface；34, hot and cold water spaced-apart bosses upper surface.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Embodiment one, as shown in Figure 1, a kind of jet stream spool, including valve seat 1, rotating member 3, nozzle needle 4 and nozzle 2.Nozzle
2 upper ends are plugged in 1 lower end of valve seat, and can slide along 2 axis direction of nozzle.3 He of rotating member is installed in valve seat 1 and nozzle 2
Nozzle needle 4, rotating member 3 and nozzle needle 4 link together.Rotating member 3 can rotate in valve seat 1.Rotating member 3 and valve seat 1 are sent out
Nozzle 2 can be driven to slide when raw relative rotation along valve core axis direction.Connection nozzle surfaces externally and internally is offered on nozzle 2
Cold water through-hole 12.2 lower end of nozzle offers spout 13.Hot and cold water spaced-apart bosses 22, hot and cold water are provided between nozzle 2 and spout
22 side of spaced-apart bosses is equipped with sealing ring 1.It is formed between hot and cold water spaced-apart bosses upper surface 34 and valve seat lower end surface 33 cold
Water inlet 29.
Limiting section 6 and driving screw thread 5 are provided on rotating member 3, driving screw thread 5 is in the lower section of limiting section 6.Rotating member 3
It is wholely set with nozzle needle 4, nozzle needle 4 is in 5 lower section of driving screw thread.It is wholely set and refers between rotating member 3 and nozzle needle 4 by pouring
The integrally formed mode such as casting, die casting is processed or rotating member 3 and nozzle needle 4 are by carrying out machining to one whole bar
Mode be process.Be not split settings between nozzle needle 4 and rotating member 3, be then connected through a screw thread, grafting, welding etc. even
Binding structure is formed by connecting.Rotating member 3 and nozzle needle 4 are wholely set, and rotating member 3 can be made to obtain preferable rigidity, so that nozzle needle 4
It is also not susceptible to swing and shake under the hydraulic pressure effect even by circumferential asymmetry, there is preferable anti-swing and jitter performance.
4 section of nozzle needle is circle, and 2 intracavity section of nozzle is also round.Rotating member 3 and nozzle needle 4 are wholely set, and the two can be made to add
Working hour can obtain preferable concentricity, and nozzle needle 4 is enable more to be exactly in the center of nozzle 2 and valve seat 1, make nozzle needle 4
Form the fluid space of annular between 2 inner wall of outer surface and nozzle, the circumferential flow rate of water flow and pressure everywhere of the fluid space compared with
It is uniform.When rotary motion part 3, nozzle 2 is limited in rotation, is slid axially in 8, thus simultaneously under the action of driving screw thread 5
Change the flow area between cooling water inlet 29 and 2 inner cavity of 4 lower end of nozzle needle and nozzle, changes the water flow of spout 13.
Limit hole 7 and rotation restrictor 8 are offered in valve seat 1.The limiting section 6 of rotating member 3 is plugged in limit hole 7, and
It can rotate in limit hole 7.Limit hole 7 is limited and is fixed to the circumferential position of rotating member 3.Limiting section 6 is plugged in
After in limit hole 7, the axis of rotating member 3 and the axis of limit hole 7 are in coUinear state.In 6 outer surface of limiting section and limit hole 7
Wall contradicts, and limit hole 7 can limit the circumferential position of limiting section 6, limits the Integral swinging of rotating member 3.
As shown in Fig. 2, being also provided with rotation restrictor 8 in valve seat 1,8 section of rotation restrictor is the non-rotating bodily form, such as
The polygons such as quadrangle, hexagon.11 section of sliding part of 2 upper end of nozzle is identical with 8 section of rotation restrictor.When sliding part 11
It when being inserted into rotation restrictor 8, cannot relatively rotate, can only occur between nozzle 2 and valve seat 1 along valve core axis direction
Opposite sliding.Rotation restrictor 8 is in 7 lower section of limit hole.It is provided with driving internal screw thread 9 on the inside of sliding part 11, drives internal screw thread 9
With 5 threaded of driving screw thread on rotating member 3.When rotating rotating member 3, driving screw thread 5 of the nozzle 2 on rotating member 3
It is slided under driving along 1 axis direction of valve seat.2 side of nozzle offers cold water through-hole 12, and 2 bottom of nozzle offers spout
13.Cold water enters inside nozzle 2 from the cold water through-hole 12 of 2 side of nozzle, passes through the overcurrent between 3 inner wall of nozzle needle 4 and nozzle
Space is finally sprayed from 2 the lowermost spout 13 of nozzle.
As shown in figure 4, nozzle needle 4 is undergauge section 15 including main paragraph 14,14 upper end of main paragraph, undergauge section 15 is in main paragraph
14 tops, the diameter of undergauge section 15 are less than the diameter of main paragraph 14.Cold water through-hole 12 is in the outside of undergauge section 15 simultaneously, and just
To undergauge section 15.Cold water through-hole 12 enters the water in nozzle 2 by the annular between 2 inner wall of 15 outer surface of undergauge section and nozzle
Space flows to the spout 13 of 2 lower end of nozzle.Changeover portion 21, the section of changeover portion 21 are provided between undergauge section 15 and main paragraph 14
Side can be oblique line, camber line or fairshaped curve.The setting of changeover portion 21 can be to avoid in main paragraph 14 and undergauge section
Radial step surface is formed between 15, when water flow being avoided to flow on the outside of lateral main paragraph 14 outside undergauge section 15, flow area hair
Raw mutation, avoids water flow from generating biggish disturbance at this, leads to hydraulic pressure unstable by biggish radial direction at this of nozzle needle 4
Effect causes nozzle needle 4 to occur to swing or shake.
Nozzle 2 can be made of plastics, and can also be made of metal.Convex stupefied 10, convex stupefied 10 are additionally provided with inside nozzle 2 can
It is integrally disposed upon in a manner of by being molded or casting on nozzle 2.Convex stupefied 10 extend along 2 axis direction of nozzle, and convex stupefied 10
Quantity be it is multiple, multiple convex stupefied 10 along 2 inner wall circumference uniform distribution of nozzle.Convex stupefied 10 setting can be to the water flow stream in nozzle 2
To being limited, so that the water flow flowing in nozzle 2 is more regular, the fluctuation generated when water flow flowing is reduced.
It include straight-through section 16 and contraction section 17 on the inside of nozzle 2, leading directly to 16 top of section is to drive internal screw thread 9, at contraction section 17
In straight-through 16 lower part of section, from top to bottom gradually to contract, 17 lower end of contraction section is connected to contraction section 17 with spout 13.Contraction section 17
Setting can gradually decrease flow area, to accelerate the flow rate of water flow at this.4 lower end of nozzle needle also forms taper to contract
Portion 18,18 section side of tapered portion can be oblique line, be also possible to camber line or fairshaped curve.4 lower end of nozzle needle forms cone
Shape portion 18, can the flow area preferably to contraction section 17 be adjusted, thus accurately control spout 13 spray water flow
Amount.
When water enters 2 inside of nozzle from cold water through-hole 12, water is first into the annular space in 15 outside of undergauge section
It is interior.The annular space, can in order to the free-flowing of water flow circumferential direction so that the hydraulic pressure of undergauge section 15 everywhere be substantially at it is identical
State.Then water flow is along the water stream channel that 4 outer surface of nozzle needle, 2 inner wall of nozzle and convex stupefied 10 side are constituted at spout 13
Flowing.
Valve seat 1 and rotating member 3 it is whole can it is higher by density, corrosion resistance is preferable, the preferable metal of rigidity is made.This reality
It applies in example and is fabricated using stainless steel or copper, to make it while there is preferable corrosion resistance and preferable rigidity.
Preferable corrosion resistance can make the portion in the long-term use process of rotating member 3, be not susceptible to corrode, and corrosion is avoided to influence
Relative rotation between the two.Preferable rigidity can limit swing or the jitter amplitude of nozzle needle 4, even if nozzle needle 4 is by water
Stream impact and the non-uniform hydraulic pressure effect of radial direction, in the fixed situation in 3 rear end of rotating member, nozzle needle 4 will not occur
Swing or shake by a relatively large margin.In addition, rotating member 3 and nozzle needle are made of the higher metal of density, and under same volume, density
Bigger quality is bigger.Under the action of the water flow impact pressure of same size, 4 mass of nozzle needle is bigger, the amplitude of fluctuation that nozzle needle 4 generates
It is smaller, enable jet stream more stable.
The jet stream spool is mounted in faucet valve body 24 when use.Cold water through-hole 12 on nozzle 2 can in valve body 24
The higher water inlet flow channel 1 of a hydraulic pressure be connected to.Be additionally provided with water inlet flow channel 2 26 in faucet valve body 24,2 lower end of nozzle with
Water inlet flow channel 2 26 is connected to.Outlet passage 27,13 face outlet passage 27 of spout are additionally provided with immediately below nozzle 2.Spacer portion 22
It is between water inlet flow channel 1 and water inlet flow channel 2 26, and passes through sealing ring 1 and water inlet flow channel 1 and water inlet flow channel
24 inner wall of valve body between 2 26 seals cooperation.
When rotary motion part 3, rotating member 3 drives nozzle 2 to slide up and down, and changes simultaneously size, the spray of cooling water inlet 29
The distance between 4 lower end of needle and spout 13 change the water sprayed from spout 13.It is acted in the higher hydraulic pressure of water inlet flow channel 1
Under, the water flow in nozzle 2 is with higher flow velocity out of, spout 13 is injected into face spout 13 outlet passage 27.In nozzle 2
Water from spout 13 with higher flow velocity project after, can on the outside of spout 13 formed a low-pressure area, thus by water inlet flow channel 2 26
The interior lower water of hydraulic pressure is also drawn at spout 13, so that the water flow in water inlet flow channel 1 and water inlet flow channel 2 26 is preferable
Ground is mixed and flows into outlet passage 27.
Embodiment two,
The difference of embodiment two and embodiment one is that the nozzle 2 in embodiment one is formed by plastic injection, and in embodiment two
Nozzle 2 is also larger by density, the preferable metal of corrosion resistance is made.Nozzle 2 is whole to be made of metal, and nozzle can be made
2 total qualities are larger, to improve the jitter immunity energy of nozzle needle 4, avoid nozzle 2 in the impact by water flow, and uneven,
Unstable hydraulic pressure effect is lower to occur biggish swing or shake.
Meanwhile diversified forms also can be set into the cold water through-hole 12 on nozzle 2.For example, as shown in fig. 7, using section
For circular cold water through-hole 12, make the circumference uniform distribution on nozzle 2 of cold water through-hole 12, to increase water inlet area, so that water flow exists
The crushing generated at cold water through-hole 12 reduces, and improves the hydraulic pressure in nozzle 2.
The cross sectional shape of cold water through-hole 12 may be rectangle, as shown in figure 8, cold water through-hole 12 is from the driving of nozzle 2
It is extended in the middle part of screw thread 95 above spacer, a cold water through-hole 12 is each side arranged in nozzle 2, to facilitate nozzle 2
Water inlet.
Embodiment three,
As shown in figure 9, nozzle and valve seat that the difference of embodiment three and embodiment one is three kinds of embodiment are by copper or not
Rust steel is made.Rotating member and nozzle needle split settings, 4 upper end of nozzle needle are connected to 3 lower end of rotating member by screw thread 31.4 outside of nozzle needle
It is provided with fin 30, convex stupefied 10 are not provided on 2 inner wall of nozzle, to facilitate the processing of nozzle 2, nozzle 2 can be by using
The mode cut bar is processed.
For nozzle needle structure as shown in figure 9,2 lower end of nozzle needle is the main paragraph 14 with tapered portion 18,14 upper end of main paragraph is contracting
The diameter of diameter section 15, undergauge section 15 is less than main paragraph 14.Fin 30 is arranged in undergauge section 15, and the setting of 15 upper end of undergauge section is useful
In the screw thread 31 of connection.
The above is only exemplary embodiment of the invention, protection scope and is not intended to limit the present invention, this hair
Bright protection scope is determined by the attached claims.
Claims (10)
1. a kind of jet stream spool, including valve seat (1), nozzle (2), rotating member (3) and nozzle needle (4), valve seat (1) is interior to offer limit
Hole (7) and rotation restrictor (8) are provided with limiting section (6) and driving screw thread (5), limit hole (7) and limit on rotating member (3)
Portion (6) sealing cooperation；It is provided with driving internal screw thread (9) in nozzle (2), is provided with sliding part (11) on the outside of nozzle (2), in driving
Screw thread (9) and driving screw thread (5) threaded, sliding part (11) are plugged in rotation restrictor (8) and can be along rotation restrictors
(8) it slides axially, nozzle needle (4) setting is internal in nozzle (2), and nozzle (2) side is also provided with cold water through-hole (12), nozzle (2)
Lower end offers spout (13), it is characterized in that: being provided between hot and cold water between the cold water through-hole (12) and spout (13) of nozzle (2)
Every boss (22), hot and cold water spaced-apart bosses (22) outer peripheral surface directly with faucet valve body (24) clearance fit, hot and cold water spaced-apart bosses
(22) side is equipped with sealing ring one (23), is formed between valve seat lower end surface (33) and hot and cold water spaced-apart bosses upper surface (34) cold
Water inlet (29).
2. jet stream spool according to claim 1, it is characterized in that: rotating member (3) and nozzle needle (4) are wholely set.
3. jet stream spool according to claim 1, it is characterized in that: be provided on nozzle needle (4) be provided in the axial direction it is convex
Rib (30).
4. jet stream spool according to claim 1, it is characterized in that: nozzle (2) inner wall be provided in the axial direction it is convex stupefied
(10)。
5. jet stream spool according to claim 3 or 4, it is characterized in that: valve seat (1) is made of metal, nozzle (2) is also by gold
Category is made.
6. jet stream spool according to claim 1, it is characterized in that: nozzle needle (4) section is circle, nozzle (2) intracavity section
It also is circle.
7. jet stream spool according to claim 1, it is characterized in that: the nozzle needle (4) includes main paragraph (14) and undergauge section
(15), undergauge section (15) is between main paragraph (14) and driving screw thread (5), cold water through-hole (12) face undergauge section (15).
8. jet stream spool according to claim 7, it is characterized in that: being provided between undergauge section (15) and main paragraph (14)
It crosses section (21), changeover portion (21) section side is straight line, camber line or streamline curve.
9. jet stream spool according to claim 7, it is characterized in that: cold water through-hole (12) is circle, cold water through-hole (12) circle
It is evenly arranged in week on nozzle (2)；Or cold water through-hole (12) is rectangle, cold water through-hole (12) extends from the middle part of driving internal screw thread (9)
To hot and cold water spaced-apart bosses upper surface (34)；Or cold water through-hole (12) is rectangle, cold water through-hole (12) face undergauge section (15).
10. a kind of pipeline constant-temperature valve according to claim 1, it is characterized in that: offering sealing ring in the limiting section (6)
Slot (32) is equipped with sealing ring two (28) in sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422698.9A CN110394244A (en) | 2019-05-21 | 2019-05-21 | A kind of jet stream spool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422698.9A CN110394244A (en) | 2019-05-21 | 2019-05-21 | A kind of jet stream spool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110394244A true CN110394244A (en) | 2019-11-01 |
Family
ID=68323106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910422698.9A Pending CN110394244A (en) | 2019-05-21 | 2019-05-21 | A kind of jet stream spool |
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| Country | Link |
|---|---|
| CN (1) | CN110394244A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113117914A (en) * | 2021-03-09 | 2021-07-16 | 张宇佳 | Injection apparatus on water pump |
| CN114192294A (en) * | 2021-12-08 | 2022-03-18 | 江苏安卡新材料科技有限公司 | Adhesive application for improving polyurea spraying quality |
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| CN103775681A (en) * | 2013-04-27 | 2014-05-07 | 广州海鸥卫浴用品股份有限公司 | Jet shower device |
| CN105422919A (en) * | 2014-09-08 | 2016-03-23 | 代万宝 | Supercharging type water mixing and temperature regulating valve |
| CN105665165A (en) * | 2016-03-31 | 2016-06-15 | 冯关江 | Cold-hot mixed water sprayer for bathroom |
| CN105715815A (en) * | 2015-05-01 | 2016-06-29 | 余姚市云松增压恒温科技有限公司 | Jet valve core used for bathroom valve |
| CN210753280U (en) * | 2019-05-21 | 2020-06-16 | 林仙明 | Jet valve core |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775678A (en) * | 2013-04-27 | 2014-05-07 | 广州海鸥卫浴用品股份有限公司 | Adjustable jet flow valve |
| CN103775681A (en) * | 2013-04-27 | 2014-05-07 | 广州海鸥卫浴用品股份有限公司 | Jet shower device |
| CN105422919A (en) * | 2014-09-08 | 2016-03-23 | 代万宝 | Supercharging type water mixing and temperature regulating valve |
| CN105715815A (en) * | 2015-05-01 | 2016-06-29 | 余姚市云松增压恒温科技有限公司 | Jet valve core used for bathroom valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113117914A (en) * | 2021-03-09 | 2021-07-16 | 张宇佳 | Injection apparatus on water pump |
| CN114192294A (en) * | 2021-12-08 | 2022-03-18 | 江苏安卡新材料科技有限公司 | Adhesive application for improving polyurea spraying quality |
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