CN206190994U - Pressure reducing valve device - Google Patents
Pressure reducing valve device Download PDFInfo
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- CN206190994U CN206190994U CN201621182773.7U CN201621182773U CN206190994U CN 206190994 U CN206190994 U CN 206190994U CN 201621182773 U CN201621182773 U CN 201621182773U CN 206190994 U CN206190994 U CN 206190994U
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- chamber part
- pressure
- relief valve
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Abstract
The utility model discloses a pressure reducing valve device, including the valve body that is equipped with inlet tube, outlet pipe, the upper portion of valve body is connected with the regulating part that is used for adjusting the preset pressure value, includes still that screw rod, accuse pressure thread plate, spring, fixation nut, accuse pressure pad piece, packing ring, diaphragm, adaptor, connecting rod and gland nut are pressed in the accuse in the valve body. Being equipped with on the main cavity spare supply water to flow by the inlet tube circulate to the space between the lower part space of the water inlet of outlet pipe and intercommunication main cavity spare and main cavity spare and diaphragm the water hole. Adopt above -mentioned structural design, moving part is less and more concentrated, small friction between inner structure, and then the action of case part is smooth and easy, and hydraulic regulation is sensitiveer. Gland nut has replaced the great moving part of general relief pressure valve frictional force with sealed the pad for the connecting rod receives than the influence of small friction power, and it is comparatively smooth and easy to move, and the too much problem of moving part and seal part has still been avoided in the also corresponding sensitivity that improves water pressure regulating, makes sealing performance good.
Description
Technical field
The utility model is related to valve technology field, more specifically to a kind of relief valve unit.
Background technology
Pressure-reducing valve is, by adjusting flow of media situation, inlet pressure to be reduced to the outlet pressure of a certain needs, and is relied on
Medium energy in itself makes outlet pressure keep the valve of stabilization automatically.
From the viewpoint of hydrodynamics, pressure-reducing valve is the restricting element that a local resistance can change, i.e., by changing
Orifice size, changes the kinetic energy of flow velocity and fluid, the different pressure losses is caused, so as to reach the purpose of decompression.Then according to
By control and the regulation of regulating system, the fluctuation and spring force for making downstream pressure balance each other, and make downstream pressure in certain error
In the range of keep constant.
Pressure-reducing valve common at present, moveable element is more and relatively disperses, while also having excessive sealed diameter so that
Frictional force between its internal structure is larger, causes the action of valve element part not prompt enough, and the regulation of flow of media pressure is inadequate
It is sensitive.Meanwhile, the sealing effectiveness of the bushing of one of its internal main chamber part and movable part is not good, by working of plastics draw taper
Influence it is larger so that O-ring needs the larger magnitude of interference, and then it is not smooth enough to cause valve element to act, again such that medium flow field
The regulation of logical pressure is not sensitive enough.
In addition, moveable element is more and relatively disperses so that excellent sealing is difficult between each part, dielectric leakage point is relative
It is more.
In sum, how to efficiently solve pressure-reducing valve effect of easing stress is not prompt enough and the problems such as poor sealing effectiveness,
It is current those skilled in the art's urgent problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of relief valve unit, and the structure of the relief valve unit sets
Meter can efficiently solve pressure-reducing valve effect of easing stress is not prompt enough and the problems such as poor sealing effectiveness.
In order to achieve the above object, the utility model provides following technical scheme：
A kind of relief valve unit, including be provided with the valve body of water inlet pipe, outlet pipe, the top of valve body is connected with pre- for adjusting
If the regulating part of pressure value, the main chamber part, the isolation master that are provided with water inlet and water hole for also being connected including bottom and valve seal
The adaptor of the diaphragm and insertion diaphragm of chamber part and valve inner superjacent air space, water inlet supplies water to flow and is circulated to out by water inlet pipe
Water pipe, the lower space of water hole connection main chamber part and the space between main chamber part and diaphragm, diaphragm top is additionally provided with fixed company
Switch through fitting and compress the fixing nut of pressure control pad, adaptor lower thread is connected with connecting rod, connecting rod lower thread connects
Clamp nut is connected to, the diameter phase of sealing gasket, the external diameter of clamp nut and the bottom opening of main chamber part is installed on clamp nut
Matching, the upper surface of pressure control pad pushes against spring, and spring upper end is pushed against pressure control spiral shell disk, also including respectively with pressure control spiral shell disk and
The pressure control screw rod of regulating part threaded connection.
Preferably, in above-mentioned relief valve unit, the internal whorl of main chamber part is connected with the external thread piece for connecting rod insertion,
Main chamber part is provided with the first groove, and being pushed against between external thread piece and the first groove has the first O-ring.
Preferably, in above-mentioned relief valve unit, regulating part includes that the end cap being fixedly connected with the top of valve body and button set
In end upper part of the cover adjusting knob, adjusting knob and pressure control screw rod are connected by screw.
Preferably, in above-mentioned relief valve unit, end cap and adjusting knob and valve body are removably connected, adjusting knob
Periphery be provided with for increase friction multiple pits.
Preferably, being compressed in above-mentioned relief valve unit, between end cap and diaphragm has for avoiding the end cap in rundown process
Damage the packing ring of diaphragm.
Preferably, in above-mentioned relief valve unit, the second O-ring is provided between main chamber part and valve body, the bottom of main chamber part sets
There is the groove for installing the second O-ring.
Preferably, in above-mentioned relief valve unit, the top of clamp nut be provided with for position limiting sealed pad the second groove and
With the first annular projection that sealing gasket strengthens sealing.
Preferably, in above-mentioned relief valve unit, diaphragm is specially the rubber diaphragm that surface is provided with grid cloth, and adaptor sets
There is the 3rd groove, the bottom of rubber diaphragm is provided with the second annular protrusion coordinated with the sealing of the 3rd groove.
Preferably, in above-mentioned relief valve unit, connecting rod is specially stainless steel connecting rod, and fixing nut is specially stainless steel
Fixing nut.
The relief valve unit that the utility model is provided, including the valve body of water inlet pipe, outlet pipe is provided with, the top connection of valve body
There are the regulating part for adjusting preset pressure value, the master for being provided with water inlet and water hole for also being connected including bottom and valve seal
The diaphragm and the adaptor of insertion diaphragm of chamber part, isolation main chamber part and valve inner superjacent air space, water inlet supply water stream by entering
Water pipe is circulated to outlet pipe, the lower space of water hole connection main chamber part and the space between main chamber part and diaphragm, diaphragm top
The fixing nut for being fixedly connected adaptor and compressing pressure control pad is additionally provided with, adaptor lower thread is connected with connecting rod, connected
Bar lower thread is connected with clamp nut, and sealing gasket, the external diameter of clamp nut and the bottom of main chamber part are provided with clamp nut
The diameter of opening matches, and the upper surface of pressure control pad pushes against spring, and spring upper end is pushed against pressure control spiral shell disk, also including respectively
The pressure control screw rod being threadedly coupled with pressure control spiral shell disk and regulating part.
During the relief valve unit provided using the utility model, into the current of relief valve unit through the mistake on main chamber part
Water hole, hydraulic pressure is acted on diaphragm.When hydraulic pressure is more than pressure-reducing valve preset pressure value, diaphragm will be deformed by hydraulic pressure jack-up, diaphragm
The adaptor of upper fixation is synchronized with the movement, and the connecting rod being threadedly coupled with adaptor is also to be lifted, the sealing gasket of connecting rod bottom
Rise and push against the bottom opening of main chamber part therewith, water stream channel is cut off, and pressure-reducing valve water outlet end pressure is no longer intake
End pressure influences, so as to reach the effect of voltage stabilizing.
The preset pressure value of pressure-reducing valve can be regulation, control pressure control screw rod to rotate using regulating part, pressure control spiral shell disk
Highly change, during pressure control spiral shell disk compression spring, spring stress is increased, i.e. preset pressure increase.Conversely, on pressure control spiral shell disk
Rise, spring relaxation stress reduces, you can reduce preset pressure.
Using said structure design, moving component is less and relatively concentrates, and the frictional force between internal structure is smaller, then valve element
Partial action is smooth, and the regulation of current circulating pressure is more sensitive.Clamp nut and sealing gasket substituted for general pressure-reducing valve and rub
Wipe the larger moving component of power so that the friction effects being only subject between connecting rod and main chamber part that move up and down of connecting rod,
Connecting rod motion is more smooth, also accordingly improves the sensitivity of pressure medium regulation.
Meanwhile, the relief valve unit that the utility model is provided avoids moving component and the excessive problem of seal member, makes
Obtain favorable sealing property.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the main structure diagram when relief valve unit that the utility model embodiment is provided is opened；
Fig. 2 is the main structure diagram when relief valve unit that the utility model embodiment is provided is closed；
The disassemblying structure schematic diagram of the relief valve unit that Fig. 3 is provided for the utility model embodiment；
The structural representation of the main chamber part that Fig. 4 is provided for the utility model embodiment；
Fig. 5 is another viewing angle constructions schematic diagram of Fig. 4；
The structural representation of the clamp nut that Fig. 6 is provided for the utility model embodiment；
The bottom surface structure schematic diagram of the diaphragm that Fig. 7 is provided for the utility model embodiment；
The structural representation of the adaptor that Fig. 8 is provided for the utility model embodiment.
Marked in accompanying drawing as follows：
Valve body 1, water inlet pipe 2, outlet pipe 3, adjusting knob 4, end cap 5, main chamber part 6, water inlet 7, diaphragm 8, adaptor 9,
Fixing nut 10, connecting rod 11, clamp nut 12, spring 13, pressure control screw rod 14, pressure control spiral shell disk 15, external thread piece 16, an O
Type circle 17, packing ring 18, pressure control pad 19, the second O-ring 20, groove 21, sealing gasket 22, first annular raised 23, the first groove
24th, the second annular protrusion 25, the second groove 26, the 3rd groove 27, water hole 28.
Specific embodiment
The utility model embodiment discloses a kind of relief valve unit, is caused not in time with the on-off action for avoiding pressure-reducing valve
Effect of easing stress is not good, improves the ageing of decompression process, while improving the sealing of pressure-reducing valve.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1-Fig. 5 is referred to, Fig. 1 shows for the front view structure when relief valve unit that the utility model embodiment is provided is opened
It is intended to；Fig. 2 is the main structure diagram when relief valve unit that the utility model embodiment is provided is closed；Fig. 3 is this practicality
The disassemblying structure schematic diagram of the relief valve unit that new embodiment is provided；The main chamber part 6 that Fig. 4 is provided for the utility model embodiment
Structural representation；The structural representation of the clamp nut 12 that Fig. 5 is provided for the utility model embodiment.Arrow in figure is
The direction of current indicates.
Embodiment of the present utility model provides a kind of relief valve unit, including is provided with water inlet pipe 2, the valve body of outlet pipe 3
1, the top of valve body 1 is connected with the regulating part for adjusting preset pressure value, also including being provided with that bottom and valve body 1 are tightly connected
The diaphragm 8 and insertion diaphragm 8 of the main chamber part 6, isolation main chamber part 6 and the inner upper space of valve body 1 of water inlet 7 and water hole 28
Adaptor 9, the stream that supplies water of water inlet 7 is circulated to outlet pipe 3 by water inlet pipe 2, the lower space of the connection main chamber of water hole 28 part 6 and
Space between main chamber part 6 and diaphragm 8, the top of diaphragm 8 is additionally provided with the fixation for being fixedly connected adaptor 9 and compressing pressure control pad 19
Nut 10, the lower thread of adaptor 9 is connected with connecting rod 11, and the lower thread of connecting rod 11 is connected with clamp nut 12, compresses spiral shell
Sealing gasket 22 is installed, the diameter of the external diameter of clamp nut 12 and the bottom opening of main chamber part 6 matches, pressure control pad on female 12
19 upper surface pushes against spring 13, and the upper end of spring 13 pushes against pressure control spiral shell disk 15, also including respectively with pressure control spiral shell disk 15 and adjust
The pressure control screw rod 14 of section part threaded connection.
During the relief valve unit provided using above-described embodiment, the current into relief valve unit are through on main chamber part 6
Water hole 28, hydraulic pressure is acted on diaphragm 8.When hydraulic pressure is more than pressure-reducing valve preset pressure value, diaphragm 8 will be become by hydraulic pressure jack-up
Shape, fixed adaptor 9 is synchronized with the movement on diaphragm 8, and the connecting rod 11 being threadedly coupled with adaptor 9 is also to be lifted, connecting rod
The sealing gasket 22 of 11 bottoms rises and pushes against the bottom opening of main chamber part 6 therewith, and water stream channel is cut off, pressure-reducing valve water outlet
End pressure no longer receives water inlet end pressure influence, so as to reach the effect of voltage stabilizing.
The preset pressure value of pressure-reducing valve can be regulation, control pressure control screw rod 14 to rotate using regulating part, pressure control spiral shell disk
15 height is changed, and during pressure control spiral shell 15 compression spring 13 of disk, the stress of spring 13 is increased, i.e. preset pressure increase.Conversely, control
Pressure spiral shell disk 15 rises, and spring 13 loosens stress reduction, you can reduce preset pressure.
Using said structure design, moving component is less and relatively concentrates, and the frictional force between internal structure is smaller, then valve element
Partial action is smooth, and the regulation of current circulating pressure is more sensitive.Clamp nut 12 and sealing gasket 22 substituted for general decompression
The larger moving component of valve frictional force so that moving up and down for connecting rod 11 is only subject to rubbing between connecting rod 11 and main chamber part 6
Wipe power influence, connecting rod 11 move it is more smooth, also accordingly improve pressure medium regulation sensitivity.
Meanwhile, the relief valve unit that above-described embodiment is provided avoids moving component and the excessive problem of seal member, makes
Obtain favorable sealing property.
It is noted that can preferably four water holes 28 it is symmetrical on main chamber part 6, improved water efficiency and film
Uniformity of the piece 8 by water flow pressure.
In order to optimize the using effect of main chamber part 6 in above-described embodiment, the internal whorl of main chamber part 6 is connected with and supplies connecting rod
The external thread piece 16 of 11 insertions, main chamber part 6 is provided with the first groove 24, and being pushed against between the groove 24 of external thread piece 16 and first has first
O-ring 17.First O-ring 17 can effectively improve the sealing effectiveness between connecting rod 11 and main chamber part 6, while external thread piece 16
First O-ring 17 can be pressed at the first groove 24 of main chamber part 6, it is to avoid the first O-ring 17 is deviate from, external thread piece 16 is also
The function being oriented to for the motion process of connecting rod 11 can be played, connecting rod 11 is more stable is moved along preset path for auxiliary.
In order to optimize the using effect of regulating part in above-described embodiment, regulating part includes being fixedly connected with the top of valve body 1
End cap 5 and button located at the top of end cap 5 adjusting knob 4, adjusting knob 4 and pressure control screw rod 14 are connected by screw.Rotate
Adjusting knob 4 drives pressure control screw rod 14 to rotate, the height of change pressure control spiral shell disk 15, and then changes the tightness of spring 13, real
The regulation to pressure-reducing valve preset pressure value is showed.It is split-type structural by preferred regulating part, it is more square with the connection of valve body 1
Just, regulation process is more flexible.
In order to further optimize the using effect of regulating part in above-described embodiment, end cap 5 and adjusting knob 4 and valve body 1
Dismountable connection, the periphery of adjusting knob 4 is provided with the multiple pits for increasing friction.By preferred end cap 5 and tune
The dismountable connection of section knob 4 and valve body 1, the dismounting and regulation operation of regulating part is all more flexible, and arbitrary portion is damaged
Can very easily overhaul or change.The periphery of preferably adjusting knob 4 is provided with multiple pits simultaneously, increases adjusting knob
Frictional force between 4 and the hand of user, facilitates the operation of user's rotation of adjustment knob 4, and hair is difficult in rotary course
Green hand slides phenomenon.
Being compressed in order to optimize the using effect of diaphragm 8 in above-described embodiment, between end cap 5 and diaphragm 8 has for avoiding twisting
End cap 5 during tight damages the packing ring 18 of diaphragm 8, and packing ring 18 is located at the lower section of pressure control pad 19.Packing ring 18 and pressure control pad
19 are placed on the top of diaphragm 8, and diaphragm 8 can be protected when end cap 5 and valve body 1 are tightened, and prevent diaphragm 8 from being hurt by end cap 5, and add
Big malleation area, improves the sensitivity of the induction pressure of diaphragm 8.
In order to further optimize the using effect of main chamber part 6 in above-described embodiment, is provided between main chamber part 6 and valve body 1
Two O-rings 20, the bottom of main chamber part 6 is provided with the groove 21 for installing the second O-ring 20.Second O-ring 20 can be carried effectively
Sealing effectiveness between the bottom of main chamber part 6 high and valve body 1.
In order to optimize the using effect of clamp nut 12 in above-described embodiment, the top of clamp nut 12 is provided with for spacing
Second groove 26 of sealing gasket 22 and with the reinforcement sealing of sealing gasket 22 first annular raised 23.Sealing gasket 22 can cut off in time
The circulation of current so that the water flow pressure of outlet pipe 3 is no longer influenceed by the water flow pressure of water inlet pipe 2.Second groove 26 and first
Annular protrusion 23 can optimize installation and the sealing effectiveness of sealing gasket 22.
In order to further optimize the using effect of diaphragm 8 in previous embodiment, diaphragm 8 is specially surface and is provided with grid cloth
Rubber diaphragm, adaptor 9 is provided with the 3rd groove 27, and the bottom of rubber diaphragm is provided with coordinate with the sealing of the 3rd groove 27 second
Annular protrusion 25.More preferably, and the grid cloth preferably set up increased the intensity of rubber diaphragm to the toughness of rubber diaphragm, allow rubber membrane
Piece can bear bigger pressure, and keep high flexibility.The cooperation of the second annular protrusion 25 and the 3rd groove 27 can optimize rubber
Sealing effectiveness between glue film and adaptor 9.
In order to optimize the using effect of connecting rod 11 and fixing nut 10 in above-described embodiment, connecting rod 11 is specially stainless
Steel connecting rod, fixing nut 10 is specially stainless steel fixing nut.It is preferred that stainless steel connecting rod and stainless steel fixing nut are used,
So that the corresponding annexation of the device is more stable, while corrosion-resistant, service life is longer.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Also, it should be noted that in this manual, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include that
A little key elements, but also other key elements including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", does not arrange
Except also there is other identical element in the process including the key element, method, article or equipment.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (9)
1. a kind of relief valve unit, including the valve body (1) of water inlet pipe (2), outlet pipe (3) is provided with, the top of the valve body (1) connects
It is connected to the regulating part for adjusting preset pressure value, it is characterised in that also including setting that bottom and the valve body (1) are tightly connected
There are main chamber part (6), isolation main chamber part (6) and the valve body (1) inner upper space of water inlet (7) and water hole (28)
Diaphragm (8) and diaphragm (8) described in insertion adaptor (9), the water inlet (7) stream that supplies water flows by the water inlet pipe (2)
Pass to the outlet pipe (3), the lower space and main chamber part (6) of the water hole (28) connection main chamber part (6) with
Space between the diaphragm (8), diaphragm (8) top is additionally provided with and is fixedly connected the adaptor (9) and compresses pressure control pad
The fixing nut (10) of piece (19), adaptor (9) lower thread is connected with connecting rod (11), the connection of connecting rod (11) lower thread
There is clamp nut (12), be provided with the clamp nut (12) close with what the bottom opening of main chamber part (6) was engaged
The diameter of packing (22), the external diameter of the clamp nut (12) and the bottom opening of main chamber part (6) matches, the pressure control
The upper surface of pad (19) pushes against spring (13), and spring (13) upper end pushes against pressure control spiral shell disk (15), also including respectively
The pressure control screw rod (14) being threadedly coupled with the pressure control spiral shell disk (15) and the regulating part.
2. relief valve unit according to claim 1, it is characterised in that the internal whorl of main chamber part (6) is connected with
For the external thread piece (16) of the connecting rod (11) insertion, main chamber part (6) is provided with the first groove (24), the external thread piece
(16) being pushed against and first groove (24) between has the first O-ring (17).
3. relief valve unit according to claim 2, it is characterised in that the regulating part includes and the valve body (1)
End cap (5) that top is fixedly connected and button located at the end cap (5) top adjusting knob (4), the adjusting knob (4) and
The pressure control screw rod (14) is connected by screw.
4. relief valve unit according to claim 3, it is characterised in that the end cap (5) and the adjusting knob (4) with
And the dismountable connection of the valve body (1), the periphery of the adjusting knob (4) is provided with for increasing the multiple recessed of friction
Hole.
5. relief valve unit according to claim 4, it is characterised in that pressed between the end cap (5) and the diaphragm (8)
The tight packing ring (18) having for avoiding the end cap (5) in rundown process from damaging the diaphragm (8).
6. the relief valve unit according to any one of claim 1 to 5, it is characterised in that main chamber part (6) and the valve
The second O-ring (20) is provided between body (1), the bottom of main chamber part (6) is provided with for installing second O-ring (20)
Groove (21).
7. relief valve unit according to claim 6, it is characterised in that the top of the clamp nut (12) be provided with for
Second groove (26) of the spacing sealing gasket (22) and the first annular projection (23) with the sealing gasket (22) reinforcement sealing.
8. relief valve unit according to claim 7, it is characterised in that the diaphragm (8) is specially surface and is provided with net
The rubber diaphragm of lattice cloth, the adaptor (9) is provided with the 3rd groove (27), and the bottom of the rubber diaphragm is provided with and the described 3rd
The second annular protrusion (25) that groove (27) sealing coordinates.
9. relief valve unit according to claim 8, it is characterised in that the connecting rod (11) is specially stainless steel connection
Bar, the fixing nut (10) is specially stainless steel fixing nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621182773.7U CN206190994U (en) | 2016-11-03 | 2016-11-03 | Pressure reducing valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621182773.7U CN206190994U (en) | 2016-11-03 | 2016-11-03 | Pressure reducing valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206190994U true CN206190994U (en) | 2017-05-24 |
Family
ID=58733603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621182773.7U Active CN206190994U (en) | 2016-11-03 | 2016-11-03 | Pressure reducing valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206190994U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402447A (en) * | 2016-11-03 | 2017-02-15 | 海宁市水享净水设备有限公司 | Pressure reducing valve device |
| CN114192303A (en) * | 2018-01-26 | 2022-03-18 | 固瑞克明尼苏达有限公司 | Sprayer and pressure reducing valve for sprayer |
-
2016
- 2016-11-03 CN CN201621182773.7U patent/CN206190994U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402447A (en) * | 2016-11-03 | 2017-02-15 | 海宁市水享净水设备有限公司 | Pressure reducing valve device |
| CN114192303A (en) * | 2018-01-26 | 2022-03-18 | 固瑞克明尼苏达有限公司 | Sprayer and pressure reducing valve for sprayer |
| US11980911B2 (en) | 2018-01-26 | 2024-05-14 | Graco Minnesota Inc. | Handheld spray gun |
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