CN207486148U - A kind of three-way pressure reducing valve - Google Patents

A kind of three-way pressure reducing valve Download PDF

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Publication number
CN207486148U
CN207486148U CN201721558212.7U CN201721558212U CN207486148U CN 207486148 U CN207486148 U CN 207486148U CN 201721558212 U CN201721558212 U CN 201721558212U CN 207486148 U CN207486148 U CN 207486148U
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Prior art keywords
external connection
pressure reducing
way pipe
connection body
fore
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CN201721558212.7U
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Chinese (zh)
Inventor
朱常有
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Qili Holding Group Co.,Ltd.
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Wenzhou Qi Li Fluid Equipment Co Ltd
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Abstract

The utility model discloses a kind of three-way pressure reducing valves, its drip irrigation device includes three-way pipe, three-way pipe is fixedly connected with hollow external connection body, the upper end of external connection body is plugged with fore-set, the lower end of external connection body is plugged with the valve seat of sealing three-way pipe import, valve seat is inserted on the outside of three-way pipe one end and is provided with inner seal ring, spring is provided between fore-set and valve seat, the upper end of fore-set is fixedly connected with the adjusting swivel being connect with external connection body threaded upper ends, and the lower end for adjusting swivel is provided with the stop nut being threadedly coupled with external connection body.The utility model have rotation adjust swivel and stop nut respectively with the screwing position of external connection body when, control fore-set is inserted into the depth of external connection body and the elastic deformation power that has of spring, plays the role of the pressure release standard of the adjusting pressure reducing valve;And then after stop nut is enabled to be abutted with adjusting swivel, play the role of secured adjusted swivel and external connection body, adjusting is avoided to turn and rotates on external connection body and influences the safe to use of the pressure reducing valve.

Description

A kind of three-way pressure reducing valve
Technical field
The utility model is related to a kind of pressure reducing valve, more specifically it is related to a kind of three-way pressure reducing valve.
Background technology
Pressure reducing valve is by adjusting, inlet pressure being reduced to the outlet pressure of a certain needs, and the energy by medium in itself Amount, makes outlet pressure automatically keep stable valve.From the viewpoint of hydrodynamics, pressure reducing valve is that a local resistance can become The restricting element of change that is, by changing orifice size, changes the kinetic energy of flow velocity and fluid, causes the different pressure losses, from And achieve the purpose that decompression.
The Chinese patent of Publication No. CN106917912A discloses a kind of Depressure valve, including valve body, built-up welding valve seat, Valve deck and pressure regulating screw, the interior cavity for being equipped with triplet type of the valve body, built-up welding valve seat, the built-up welding valve seat are equipped in its angle With valve plate by spring crush seal import, the spring is coaxially disposed control and covers outside, equipped with hole, the hole among the valve deck For installing pressure regulating screw, the valve body is connect with valve cover screw, and is sealed using gasket.
But the structure of the pressure reducing valve is simple, only by pressure regulating screw be inserted into valve body depth and then play to sliding panel with And the compression adjustment effect of spring, it is difficult to effective fixation is played to adjusting screw, so as to which the decompression of the pressure reducing valve will be influenced Performance has much room for improvement.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of three-way pressure reducing valve, the decompression Valve has the effect of adjustable pressure release standard.
To achieve the above object, the utility model provides following technical solution:
A kind of three-way pressure reducing valve, including three-way pipe, the three-way pipe is fixedly connected with hollow external connection body, the external connection body Upper end be plugged with fore-set, the lower end of the external connection body is plugged with the valve seat for sealing the three-way pipe import, and the valve seat is inserted into Inner seal ring is provided on the outside of one end of the three-way pipe, spring, the fore-set are provided between the fore-set and the valve seat Upper end be fixedly connected with connect with the external connection body threaded upper ends adjusting swivel, it is described adjust swivel lower end be provided with The stop nut that the external connection body is threadedly coupled.
By using above-mentioned technical proposal, rotation adjusts the screwing position of swivel and external connection body, and then controls fore-set The elastic deformation power that the depth and spring of insertion external connection body have, and then play the pressure release standard for adjusting the pressure reducing valve Effect;At the same time, rotary spacing nut, and then stop nut is enabled to be abutted with adjusting swivel, and then play secured adjusted swivel Effect on to external connection body avoids adjusting swivel from rotating on external connection body and influence the safe to use of the pressure reducing valve.
The utility model is further arranged to:The external connection body includes adjusting swivel and the stop nut screw thread with described The upper tube body of connection and the lower tube body for being fixedly connected with the three-way pipe, the upper end of the lower tube body are fixed with and the three-way pipe spiral shell The fixing nut of line connection, the lower end of the lower tube body is inserted into the three-way pipe, between the three-way pipe and the lower tube body It is provided with exterior seal ring.
By using above-mentioned technical proposal, three-way pipe is threadedly coupled with lower tube body, so convenient for three-way pipe dismounting with more It changes, consequently facilitating replacing the valve seat of different model to adjust the standard of pressure release.
The utility model is further arranged to:It is provided with outer shroud on the outside of the lower tube body, the fixing nut is from upper end cap Enter the lower tube body and abutted with the outer shroud.
By using above-mentioned technical proposal, threaded connection between fixing nut and three-way pipe and then by three-way pipe and down tube Body is fixed together, so as to reduce the adjusting difficulty of the dismounting difficulty of three-way pipe and pressure release standard.
The utility model is further arranged to:The diameter of the stop nut is less than the internal diameter of the fixing nut.
By using above-mentioned technical proposal, fixing nut is limited in lower tube body upper end and stop nut lower end, plays and keeps away The effect that fixing nut is lost after three-way pipe free of demolition.
The utility model is further arranged to:The lower end of the valve seat is provided with conehead body, and the import of the three-way pipe is set It is equipped with the sealing surface to match with the lateral surface of the conehead body.
By using above-mentioned technical proposal, hard sealing is formed between conehead body and sealing surface, the use of sealing ring is reduced, carries Rise the practicability of the pressure reducing valve.
The utility model is further arranged to:The lower end inside for adjusting swivel is fixedly connected with retainer ring, described solid Determine ring to be threadedly coupled with the external connection body.
By using above-mentioned technical proposal, retainer ring is separated into production, then retainer ring is fixed on adjusting with adjusting swivel Play the role of secured adjusted swivel and upper tube body on swivel, so as to significantly reduce the production cost of the three-way pressure reducing valve, promoted The economic benefit of the pressure reducing valve.
The utility model is further arranged to:The upper end of the fore-set, which has been bolted to connection, passes perpendicularly through the top The rotary column of column, the both ends of the rotary column are pierced by from described adjust in swivel.
By using above-mentioned technical proposal, rotation rotary column can drive adjusting swivel rotation, and then play adjusting fore-set and insert Enter the depth in external connection body, so as to play the role of effectively adjusting the pressure release standard of the pressure reducing valve.
The utility model is further arranged to:The upper end for adjusting swivel is provided with opening, and the bolt is from top to bottom It is abutted after across the fore-set with the rotary column.
It by using above-mentioned technical proposal, is replaced convenient for the length to fore-set and the length of spring, so as to significantly Reduce the adjusting difficulty of the pressure release standard of the pressure reducing valve.
In conclusion the utility model has the advantages that:It is abutted simultaneously by being fixed on the fore-set adjusted on swivel One end of spring is squeezed, enables the other end of spring that valve seat is pushed to seal the import of three-way pipe, and then is played in control three-way pipe The effect of pressure release standard;At the same time, the adjusting swivel lower end being threadedly coupled with upper tube body with upper tube body screw thread by connecting The stop nut connect, and then play the role of promoting upper tube body and adjust the connective stability between swivel, it avoids adjusting swivel The use of three-way pressure reducing valve is rotated and influenced on upper tube body.
Description of the drawings
Fig. 1 is the structure diagram of the present embodiment;
Fig. 2 is the cross-sectional view of the present embodiment;
Fig. 3 is the enlarged diagram of part A in Fig. 2.
Reference sign:1st, swivel is adjusted;11st, rotary column;12nd, fore-set;13rd, retainer ring;2nd, upper tube body;3rd, spiral shell is limited It is female;4th, lower tube body;41st, outer shroud;5th, fixing nut;6th, three-way pipe;61st, sealing surface;7th, valve seat;71st, conehead body;72nd, interior sealing Circle;8th, spring;9th, exterior seal ring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of three-way pressure reducing valve, include three-way pipe 6 successively from bottom to up, be threadedly coupled with three-way pipe 6 Fixing nut 5, the external connection body connected and fixed with fixing nut 5 and the adjusting being connect with the threaded upper ends of external connection body swivel 1.It needs It is mentioned that being provided with the stop nut 3 being connect with external connection body threaded upper ends in the lower end for adjusting swivel 1, and then limited enabling After the upper end of position nut 3 is abutted with the lower end of adjusting swivel 1, the stable connection shape for adjusting swivel 1 and external connection body is promoted, avoids adjusting Section swivel 1 on external connection body rotates and influences the use of the three-way pressure reducing valve.
As shown in Figure 1 and Figure 2, external connection body inner hollow and including with adjust 1 upper tube body 2 that is threadedly coupled of swivel and with The lower tube body 4 that fixing nut 5 connects and fixes.Fore-set 12 is plugged in upper tube body 2, the upper end of fore-set 12 is bolted company The rotary column 11 for passing perpendicularly through fore-set 12 is connected to, and the both ends of rotary column 11 are pierced by out of adjusting swivel 1, and then in rotation rotary column manually 11 can drive 1 rotation of adjusting swivel, and then play the role of adjusting depth in the insertion upper tube body 2 of fore-set 12.Need what is referred to It is that opening is provided in the upper end for adjusting swivel 1, bolt supports after passing through the fore-set 12 being threadedly coupled from top to bottom with rotary column 11 It connects, and then plays the role of fixed rotary column 11 and fore-set 12, consequently facilitating the fore-set 12 to the different size length in upper tube body 2 It is replaced.In addition to this, it is fixedly connected in the lower end inside for adjusting swivel 1 and is threadedly coupled retainer ring 13 with upper tube body 2, into And by the way that retainer ring 13 is separated the manufacturing with adjusting swivel 1, play the work for significantly reducing the three-way pressure reducing valve production cost With.
As shown in Figure 2 and Figure 3, the periphery of lower tube body 4 is provided with outer shroud 41, and fixing nut 5 is sleeved on from upper end outside lower tube body 4 It is abutted afterwards with outer shroud 41, then by the way that fixing nut 5 is enabled to be threadedly coupled, and then enable threeway with the three-way pipe 6 positioned at 4 lower end of lower tube body Pipe 6 links into an integrated entity with lower tube body 4, plays the role of reducing the dismounting difficulty of three-way pipe 6, in order to keep sealing performance, three Exterior seal ring 9 is provided between siphunculus 6 and lower tube body 4.It should be noted that the diameter of stop nut 3 is less than fixing nut 5 Internal diameter, and then fixing nut 5 is enabled to be limited between the upper end of lower tube body 4 and the lower end of stop nut 3, it plays because avoiding dismantling Three-way pipe 6 and cause fixing nut 5 lose effect.
As shown in Figure 2 and Figure 3, fore-set 12, which is inserted on the downside of 2 one end of upper tube body, is connected with spring 8, the lower end connection of spring 8 There is the valve seat 7 of sealing 6 import of three-way pipe.And be inserted on the outside of 6 one end of three-way pipe in valve seat 7 and be provided with inner seal ring 72, and then Inner seal ring 72 is enabled to play the role of outstanding seal valve seat 7 and lower tube body 4, avoid liquid by after valve seat 7 out of three-way pipe 6 It leaks.In order to reduce the use of sealing rubber ring, the lower end of valve seat 7 is set as conehead body 71, and three-way pipe 6 into The sealing surface 61 that the lateral surface of mouth setting and conehead body 71 matches, and then enable formation between conehead body 71 and sealing surface 61 hard close Envelope, so as to play the role of reducing the use of sealing ring and promote the pressure reducing valve practicability.
When in use, the position that swivel 1 and stop nut 3 are threadedly coupled with upper tube body 2 is adjusted, and then controls top Column 12 is inserted into the depth in upper tube body 2, and then plays the pressure release of 6 inlet fluid of 8 deformation quantity of adjustment spring and three-way pipe The effect of standard.
The above is only the preferred embodiment of the present invention, and the scope of protection of the utility model is not limited only to Above-described embodiment, as long as the technical solution belonged under the utility model thinking belongs to the scope of protection of the utility model.It should It points out, for those skilled in the art, several modifications under the premise of the utility model principle is not departed from And retouching, these modifications and retouching also should be regarded as the scope of protection of the utility model.

Claims (8)

1. a kind of three-way pressure reducing valve, including three-way pipe(6), it is characterised in that:The three-way pipe(6)It is fixedly connected with hollow outer Junctor, the upper end of the external connection body are plugged with fore-set(12), the lower end of the external connection body is plugged with the sealing three-way pipe(6)Into The valve seat of mouth(7), the valve seat(7)It is inserted into the three-way pipe(6)One end on the outside of be provided with inner seal ring(72), the fore-set (12)With the valve seat(7)Between be provided with spring(8), the fore-set(12)Upper end be fixedly connected with on the external connection body The adjusting swivel that end is threadedly coupled(1), it is described to adjust swivel(1)Lower end be provided with the limiting being threadedly coupled with the external connection body Nut(3).
2. a kind of three-way pressure reducing valve according to claim 1, it is characterised in that:The external connection body includes turning with described adjust Body(1)With the stop nut(3)The upper tube body of threaded connection(2)Be fixedly connected with the three-way pipe(6)Lower tube body(4), The lower tube body(4)Upper end be fixed with and the three-way pipe(6)The fixing nut of threaded connection(5), the lower tube body(4)'s The three-way pipe is inserted into lower end(6)It is interior, the three-way pipe(6)With the lower tube body(4)Between be provided with exterior seal ring(9).
3. a kind of three-way pressure reducing valve according to claim 2, it is characterised in that:The lower tube body(4)Outside is provided with outer Ring(41), the fixing nut(5)The lower tube body is inserted in from upper end(4)And with the outer shroud(41)It abuts.
4. a kind of three-way pressure reducing valve according to claim 3, it is characterised in that:The stop nut(3)Diameter be less than The fixing nut(5)Internal diameter.
5. a kind of three-way pressure reducing valve according to claim 1, it is characterised in that:The valve seat(7)Lower end be provided with cone Head body(71), the three-way pipe(6)Import be provided with and the conehead body(71)The sealing surface that matches of lateral surface(61).
6. a kind of three-way pressure reducing valve according to claim 1, it is characterised in that:It is described to adjust swivel(1)Lower end inside It is fixedly connected with retainer ring(13), the retainer ring(13)It is threadedly coupled with the external connection body.
7. a kind of three-way pressure reducing valve according to claim 1, it is characterised in that:The fore-set(12)Upper end pass through bolt It is fixedly connected with and passes perpendicularly through the fore-set(12)Rotary column(11), the rotary column(11)Both ends from it is described adjust swivel(1) Inside it is pierced by.
8. a kind of three-way pressure reducing valve according to claim 7, it is characterised in that:It is described to adjust swivel(1)Upper end setting There is opening, the bolt passes through the fore-set from top to bottom(12)Afterwards with the rotary column(11)It abuts.
CN201721558212.7U 2017-11-20 2017-11-20 A kind of three-way pressure reducing valve Active CN207486148U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721558212.7U CN207486148U (en) 2017-11-20 2017-11-20 A kind of three-way pressure reducing valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721558212.7U CN207486148U (en) 2017-11-20 2017-11-20 A kind of three-way pressure reducing valve

Publications (1)

Publication Number Publication Date
CN207486148U true CN207486148U (en) 2018-06-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721558212.7U Active CN207486148U (en) 2017-11-20 2017-11-20 A kind of three-way pressure reducing valve

Country Status (1)

Country Link
CN (1) CN207486148U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112962729A (en) * 2021-02-01 2021-06-15 浙江华越设计股份有限公司 Drainage structure is used to interior design fitment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112962729A (en) * 2021-02-01 2021-06-15 浙江华越设计股份有限公司 Drainage structure is used to interior design fitment

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GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: No.3839-1, Binhai Third Road, Binhai Park, Wenzhou Economic and Technological Development Zone, Zhejiang Province, 325024

Patentee after: Qili Holding Group Co.,Ltd.

Address before: No.3839-1, Binhai Third Road, Binhai Park, Wenzhou Economic and Technological Development Zone, Zhejiang Province, 325024

Patentee before: WENZOU QILI FLUID EQUIPMENT Co.,Ltd.

CP01 Change in the name or title of a patent holder