CN208417731U - A kind of piston type adjustable pressure regulator - Google Patents
A kind of piston type adjustable pressure regulator Download PDFInfo
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- CN208417731U CN208417731U CN201821102400.3U CN201821102400U CN208417731U CN 208417731 U CN208417731 U CN 208417731U CN 201821102400 U CN201821102400 U CN 201821102400U CN 208417731 U CN208417731 U CN 208417731U
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- flap
- adjusting cavity
- ring
- piston type
- annular
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Abstract
The utility model discloses a kind of piston type adjustable pressure regulators, including valve body, the valve inner is provided with adjusting cavity, and the adjusting cavity is internally provided with flap, and the flap surface is provided with sealing ring, the flap bottom is provided with connecting rod, the connecting rod bottom is provided with sealing station, and the sealing station bottom is provided with seal groove, and the body top and bottom are provided with fixed plate, the fixed plate is obliquely installed, and the fixed plate is fixedly connected with seal groove.The utility model passes through setting Packing spring and annular ring, during flap rises, it pushes annular ring to moving inside annular groove, pushes movable block, movable block compresses Packing spring, after ring wear, Packing spring pushes movable block, and movable block pushes annular ring to move in a ring groove, contacts annular ring with sealing ring always, ring wear influence caused by work can be reduced, the frequency of sealing ring replacement is reduced.
Description
Technical field
The utility model relates to valve technology field, in particular to a kind of piston type adjustable pressure regulator.
Background technique
Pressure reducing valve is inlet pressure to be reduced to the outlet pressure of a certain needs, and by the energy of medium itself by adjusting
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 changes the kinetic energy of flow velocity and fluid, causes the different pressure losses that is, by change orifice size, from
And achieve the purpose that decompression.
After existing pressure reducing valve is used for a long time, the ring wear on flap surface is more serious, and sealing performance is deteriorated, and influences
It works normally, it would be highly desirable to improve.
Therefore, it is necessary to solve the above problems to invent a kind of piston type adjustable pressure regulator.
Utility model content
The purpose of this utility model is to provide a kind of piston type adjustable pressure regulators, close by Packing spring and annular ring
Seal abrasion after, Packing spring push movable block, movable block push annular ring move in a ring groove, make annular ring always with it is close
Seal contact, can reduce ring wear influence caused by work, reduce the frequency of sealing ring replacement, above-mentioned to solve
The problem of being proposed in background technique.
To achieve the above object, the utility model provides the following technical solutions: a kind of piston type adjustable pressure regulator, including valve
Body, the valve inner are provided with adjusting cavity, and the adjusting cavity is internally provided with flap, and the flap surface is provided with sealing
Circle, the flap bottom are provided with connecting rod, and the connecting rod bottom is provided with sealing station, and the sealing station bottom is provided with close
Sealing groove, the body top and bottom are provided with fixed plate, and the fixed plate is obliquely installed, and the fixed plate and seal groove are solid
Fixed connection, the adjusting cavity wall are provided with multiple annular grooves, and the annular groove is internally provided with annular ring, in the annular groove
Portion is provided with multiple Packing springs, and described Packing spring one end is provided with movable block, and the movable block is fixedly connected with annular ring,
The body top is provided with communicating pipe, and pilot valve is provided on the communicating pipe, and described communicating pipe one end is arranged in adjusting cavity
Portion, the adjusting cavity surface are provided with valve rod, and the valve rod is threadedly coupled with adjusting cavity, and the adjusting cavity inside top is provided with
Position-limiting tube, the position-limiting tube are internally provided with gag lever post, and described gag lever post one end is fixedly connected with flap.
Preferably, it is provided with spacing collar on the outside of the gag lever post, the spacing collar surface is provided with article putting groove, the glove
Slot is internally provided with steel ball.
Preferably, it being provided with reset spring on the outside of the position-limiting tube, described reset spring one end is fixedly connected with adjusting cavity,
The reset spring other end is fixedly connected with flap.
Preferably, the sealing trench bottom is provided with support rod, and the support rod is fixedly connected with the valve body.
Preferably, the sealing ring and annular ring are made of rubber material.
Preferably, the sealing station longitudinal section is shaped to isosceles trapezoid, and the sealing station matches with seal groove.
The utility model has the following beneficial effects:
(1) by setting Packing spring and annular ring, during flap rises, push annular ring to inside annular groove
It is mobile, movable block is pushed, movable block compresses Packing spring, and after ring wear, Packing spring pushes movable block, movable block
It pushes annular ring to move in a ring groove, contacts annular ring with sealing ring always, ring wear can be reduced, work is made
At influence, reduce sealing ring replacement frequency；
(2) by the way that steel ball and reset spring is arranged, the steel ball inside the article putting groove on spacing collar surface is rolled, and can reduce limit
The friction of position circle and limit inside pipe wall, improves the service life of spacing collar, and reset spring can push gag lever post, limit in valve rod
When position bar pushes flap, there is a downward thrust to flap, facilitate and close valve body, improve practicability.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the portion the A enlarged diagram of Fig. 1 of the utility model；
Fig. 3 is the portion the B enlarged diagram of Fig. 1 of the utility model；
In figure: 1 valve body, 2 adjusting cavities, 3 flaps, 4 sealing rings, 5 connecting rods, 6 sealing station, 7 seal grooves, 8 fixed plates, 9 rings
Shape slot, 10 annular rings, 11 Packing springs, 12 movable blocks, 13 communicating pipes, 14 pilot valves, 15 valve rods, 16 position-limiting tubes, 17 gag lever posts, 18
Spacing collar, 19 article putting grooves, 20 steel balls, 21 reset springs, 22 support rods.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of piston type adjustable pressure regulator as shown in Figs. 1-3, including valve body 1, the valve body 1
It is internally provided with adjusting cavity 2, the adjusting cavity 2 is internally provided with flap 3, and 3 surface of flap is provided with sealing ring 4, described
3 bottom of flap is provided with connecting rod 5, and 5 bottom of connecting rod is provided with sealing station 6, and 6 bottom of sealing station is provided with sealing
Slot 7 is provided with fixed plate 8 at the top and bottom of the valve body 1, and the fixed plate 8 is obliquely installed, the fixed plate 8 and sealing
Slot 7 is fixedly connected, and 2 inner wall of adjusting cavity is provided with multiple annular grooves 9, and the annular groove 9 is internally provided with annular ring 10, institute
It states annular groove 9 and is internally provided with multiple Packing springs 11, described 11 one end of Packing spring is provided with movable block 12, the movable block
12 are fixedly connected with annular ring 10, and communicating pipe 13 is provided at the top of the valve body 1, is provided with pilot valve 14 on the communicating pipe 13,
Described 13 one end of communicating pipe is arranged inside adjusting cavity 2, and 2 surface of adjusting cavity is provided with valve rod 15, the valve rod 15 and tune
It saves chamber 2 to be threadedly coupled, 2 inside top of adjusting cavity is provided with position-limiting tube 16, and the position-limiting tube 16 is internally provided with gag lever post
17, described 17 one end of gag lever post is fixedly connected with flap 3.
Further, in the above-mentioned technical solutions, spacing collar 18, the spacing collar 18 are provided on the outside of the gag lever post 17
Surface is provided with article putting groove 19, and the article putting groove 19 is internally provided with steel ball 20, and steel ball 20 rolls in article putting groove 19, can subtract
The friction of few sealing ring 4 and 16 inner wall of position-limiting tube；
Further, in the above-mentioned technical solutions, reset spring 21, the reset bullet are provided on the outside of the position-limiting tube 16
21 one end of spring is fixedly connected with adjusting cavity 2, and 21 other end of reset spring is fixedly connected with flap 3, and reset spring 21 can
When valve rod 15 pushes gag lever post 17, and gag lever post 17 pushes flap 3, there is a downward thrust to flap 3, facilitate valve body 1
It closes；
Further, in the above-mentioned technical solutions, 7 bottom of seal groove is provided with support rod 22, the support rod 22
It being fixedly connected with valve body 1, support rod 22 can play a supporting role to sealing station 6, when preventing Fluid pressure excessive, fixed plate 8
It is separated with sealing station 6；
Further, in the above-mentioned technical solutions, the sealing ring 4 and annular ring 10 are made of rubber material, by rubber
Sealing ring 4 made of glue material and 10 wearability of annular ring and leakproofness are all preferable；
Further, in the above-mentioned technical solutions, 6 longitudinal section of sealing station is shaped to isosceles trapezoid, described
Sealing station 6 matches with seal groove 7, and sealing station 6 and seal groove 7 are closed, and can prevent the outflow of fluid.
This practical working principle:
Referring to Figure of description 1-3, pilot valve 14 is regulated, pilot valve 14 can adjust from communicating pipe 13 and enter adjusting cavity 2
Internal flow will be full of, and fluid enters tune from communicating pipe 13 when fluid enters on the left of valve body 1 on the left of valve body 1
It saves inside chamber 2, the fluid of 3 top and bottom of flap forms pressure difference, pushes flap 3 to rise, drives sealing station 6 to rise, make to seal
Platform 6 and seal groove 7 form gap, and after about 3 flap is without pressure difference, flap 3 stops rising, and fluid is flowed from the gap of formation
Out, it is finally flowed out on the right side of valve body 1, during flap 3 rises, pushes annular ring 10 to moving inside annular groove 9, push
Movable block 12, movable block 12 compress Packing spring 11, and after sealing ring 4 is worn, Packing spring 11 pushes movable block 12, mobile
Block 12 pushes annular ring 10 to move in annular groove 9, contacts annular ring 10 with sealing ring 4 always, can reduce the mill of sealing ring 4
Damage is influenced caused by work, and the frequency for reducing the replacement of sealing ring 4 turns valve rod 15, valve when needing that fluid is prevented to flow out
Bar 15 pushes gag lever post 17, and gag lever post 17 pushes flap 3 to decline, and then contacts sealing station 6 with seal groove 7, hinders fluid flow
Out；
Referring to Figure of description 3, gag lever post 17 is in position-limiting tube 16 during raising and lowering, gag lever post 17 and limit
Pipe 16 can play position-limiting action to flap 3, prevent its inclination, while the steel ball 20 inside the article putting groove 19 on 18 surface of spacing collar
It rolls, the friction of spacing collar 18 Yu 16 inner wall of position-limiting tube can be reduced, improve the service life of spacing collar 18, reset spring 21
There can be a downward thrust when valve rod 15 pushes gag lever post 17, and gag lever post 17 pushes flap 3 to flap 3, facilitate valve
Body 1 is closed.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of piston type adjustable pressure regulator, including valve body (1), it is characterised in that: the valve body (1) is internally provided with adjusting cavity
(2), the adjusting cavity (2) is internally provided with flap (3), and flap (3) surface is provided with sealing ring (4), the flap (3)
Bottom is provided with connecting rod (5), and connecting rod (5) bottom is provided with sealing station (6), and sealing station (6) bottom is provided with
Seal groove (7), valve body (1) top and bottom are provided with fixed plate (8), and the fixed plate (8) is obliquely installed, described solid
Fixed board (8) is fixedly connected with seal groove (7), and adjusting cavity (2) inner wall is provided with multiple annular grooves (9), the annular groove (9)
It is internally provided with annular ring (10), the annular groove (9) is internally provided with multiple Packing springs (11), the Packing spring (11)
One end is provided with movable block (12), and the movable block (12) is fixedly connected with annular ring (10), is provided at the top of the valve body (1)
It is provided with pilot valve (14) on the communicating pipe (13) communicating pipe (13), communicating pipe (13) one end setting is in adjusting cavity (2)
Portion, adjusting cavity (2) surface are provided with valve rod (15), and the valve rod (15) is threadedly coupled with adjusting cavity (2), the adjusting cavity
(2) inside top is provided with position-limiting tube (16), and the position-limiting tube (16) is internally provided with gag lever post (17), the gag lever post (17)
One end is fixedly connected with flap (3).
2. a kind of piston type adjustable pressure regulator according to claim 1, it is characterised in that: set on the outside of the gag lever post (17)
It is equipped with spacing collar (18), spacing collar (18) surface is provided with article putting groove (19), and the article putting groove (19) is internally provided with steel
Pearl (20).
3. a kind of piston type adjustable pressure regulator according to claim 1, it is characterised in that: set on the outside of the position-limiting tube (16)
It is equipped with reset spring (21), described reset spring (21) one end is fixedly connected with adjusting cavity (2), and the reset spring (21) is another
End is fixedly connected with flap (3).
4. a kind of piston type adjustable pressure regulator according to claim 1, it is characterised in that: seal groove (7) bottom is set
It is equipped with support rod (22), the support rod (22) is fixedly connected with valve body (1).
5. a kind of piston type adjustable pressure regulator according to claim 1, it is characterised in that: the sealing ring (4) and annular
Circle (10) is made of rubber material.
6. a kind of piston type adjustable pressure regulator according to claim 1, it is characterised in that: sealing station (6) longitudinal section
It is shaped to isosceles trapezoid, the sealing station (6) matches with seal groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821102400.3U CN208417731U (en) | 2018-07-13 | 2018-07-13 | A kind of piston type adjustable pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821102400.3U CN208417731U (en) | 2018-07-13 | 2018-07-13 | A kind of piston type adjustable pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208417731U true CN208417731U (en) | 2019-01-22 |
Family
ID=65126392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821102400.3U Active CN208417731U (en) | 2018-07-13 | 2018-07-13 | A kind of piston type adjustable pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208417731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110706541A (en) * | 2019-10-23 | 2020-01-17 | 胡越云 | Pressure flow control system training device |
-
2018
- 2018-07-13 CN CN201821102400.3U patent/CN208417731U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110706541A (en) * | 2019-10-23 | 2020-01-17 | 胡越云 | Pressure flow control system training device |
| CN110706541B (en) * | 2019-10-23 | 2021-11-09 | 山东同其工业互联网有限公司 | Pressure flow control system training device |
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