CN209084130U - A kind of ultralow temperature self-contained pressure regulator - Google Patents
A kind of ultralow temperature self-contained pressure regulator Download PDFInfo
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- CN209084130U CN209084130U CN201821403344.7U CN201821403344U CN209084130U CN 209084130 U CN209084130 U CN 209084130U CN 201821403344 U CN201821403344 U CN 201821403344U CN 209084130 U CN209084130 U CN 209084130U
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- fixedly connected
- valve
- pressure regulator
- spool
- ultralow temperature
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Abstract
The utility model relates to valve technology fields, and disclose a kind of ultralow temperature self-contained pressure regulator, including valve body, connecting plate is fixedly connected at the top of the valve body, two sides at the top of the connecting plate are fixedly connected to locating rod, the top of two locating rods is fixedly connected with fixed plate, bellows is fixedly connected at the top of the fixed plate, the inside of the bellows is fixedly installed with diaphragm, the middle part movable sleeve of the fixed plate is connected to valve rod, the bottom end of the valve rod extends to the inside of valve body and is fixedly connected with spool, the two sides of the spool lower curtate are fixedly connected with couple axle.The ultralow temperature self-contained pressure regulator, it is mobile by valve rod band movable valve plug, drive cleaning plug mobile in the inside of valve seat using couple axle, to clear up the impurity adhered on valve base inner wall, so that under regulating valve when task, the bottom end of spool is contacted with the inner tight of valve seat, to not influence the blocking effect of regulating valve.
Description
Technical field
The utility model relates to valve technology field, specially a kind of ultralow temperature self-contained pressure regulator.
Background technique
Self-contained pressure regulator is divided into three Self-operated pressure, pressure difference and flow control valve series, Self-operated pressure tune
Section valve is divided to before valve according to pressure measurement points and two classes, constant for adjusting upstream pressure when pressure point is before valve, pressure point after valve
It is constant for adjusting downstream pressure when after valve, it is widely used in the various works such as petroleum, chemical industry, electric power, metallurgy, food, light textile
Gas, liquid, steam medium decompression, pressure release and pressure stabilizing in industry equipment.
However, existing self-contained pressure regulator is when not in use, the contact site of valve seat and spool is easily adhered miscellaneous
Matter, prevent regulating valve is next in use, because impurity causes valve seat with spool from being in close contact, to influence the blocking of regulating valve
Effect, to reduce the practicability of direct-operated regulator.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of ultralow temperature self-contained pressure regulator, has
The advantages that preventing the partition of impurity effect regulating valve from acting on, solves existing self-contained pressure regulator when not in use, valve
Seat is easily adhered impurity with the contact site of spool, prevent regulating valve next time in use, because impurity cause valve seat and spool from
It is in close contact, so that the blocking effect of regulating valve is influenced, thus the problem of reducing the practicability of direct-operated regulator.
(2) technical solution
For the purpose for realizing the above-mentioned partition effect for preventing impurity effect regulating valve, the utility model provides following technical side
Case: a kind of ultralow temperature self-contained pressure regulator, including valve body are fixedly connected with connecting plate at the top of the valve body, described
Two sides at the top of connecting plate are fixedly connected to locating rod, and the top of two locating rods is fixedly connected with fixed plate, described
Bellows is fixedly connected at the top of fixed plate, the inside of the bellows is fixedly installed with diaphragm, the middle part activity of the fixed plate
It is socketed with valve rod, the bottom end of the valve rod extends to the inside of valve body and is fixedly connected with spool, the two sides of the spool lower curtate
It is fixedly connected with couple axle, the bottom end of two couple axles is fixedly connected with support shaft, and the both ends of the support shaft are fixed to be connected
It is connected to cleaning plug, the bottom fixing sleeve of the body cavity is equipped with the valve seat being located at below spool, and the top of the valve rod is fixed
It is socketed with the spring base being located at below fixed plate, the two sides of the spring base are fixedly connected to locating piece, two positioning
The side of block has been respectively fixedly connected with limited block, and adjusting screwed pipe, the adjusting are fixedly connected in the middle part of the connecting plate top
Screw thread is socketed with adjusting nut on screwed pipe, and movable sleeve is connected to the limit plate above adjusting nut, institute on the adjusting screwed pipe
It states and is fixedly connected with spring at the top of limit plate, the top of the spring is fixedly connected with the bottom of spring base, the valve body
Side is fixedly connected with conduit, and branch pipe, the branch pipe one end and bellows far from conduit are fixedly connected at the top of the conduit
It is fixedly attached in the middle part of top.
Preferably, the top of the valve rod is contacted with the bottom of diaphragm, and valve rod and spring base and adjusting screwed pipe are movable
Socket.
Preferably, the inner wall pivot bush unit of the outer of the cleaning plug and valve seat, and the bottom end of the inner wall of valve seat and spool
The shape of pivot bush unit, the cleaning plug is ring-type.
Preferably, the middle part of the limited block and locating rod pivot bush unit, and the side movable sleeve of locating rod and limit plate
It connects, the side of the locating rod is not contacted with the side of adjusting nut.
Preferably, the top for adjusting screwed pipe is fixedly connected with baffle, and adjusts the interior of the baffle on screwed pipe and spring
Side does not contact.
Preferably, the quantity of the limit plate is two, and two limit plates are located at the top of adjusting nut under
Side, the surface of two limit plates respectively with contacted at the top and bottom of adjusting nut, and fixed between two limit plates connect
It is connected to connecting rod.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of ultralow temperature self-contained pressure regulator, has following
The utility model has the advantages that
1, the ultralow temperature self-contained pressure regulator, it is mobile by valve rod band movable valve plug, it is driven and is cleared up using couple axle
It fills in the movement of the inside of valve seat, so that the impurity adhered on valve base inner wall is cleared up, so that under regulating valve when task, the bottom of spool
End is contacted with the inner tight of valve seat, to not influence the blocking effect of regulating valve.
2, the ultralow temperature self-contained pressure regulator, is fixedly attached by spring base and valve rod, the limit of spring base two sides
Position block is in the state of vertical valve body, it is ensured that valve rod so that valve rod is when moving with two locating rod pivot bush units respectively always
The on-off of stable control and regulation valve, to improve the practicability of regulating valve.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the partial enlargement diagram at the utility model structure A.
In figure: 1, valve body；2, connecting plate；3, locating rod；4, fixed plate；5, bellows；6, diaphragm；7, valve rod；8, spool；9,
Couple axle；10, support shaft；11, cleaning plug；12, valve seat；13, spring base；14, locating piece；15, limited block；16, screwed pipe is adjusted；
17, adjusting nut；18, limit plate；19, spring；20, conduit；21, branch pipe.
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.
A kind of ultralow temperature self-contained pressure regulator referring to FIG. 1-2, including valve body 1, the top of valve body 1 is fixed to be connected
It is connected to connecting plate 2, the two sides at 2 top of connecting plate are fixedly connected to locating rod 3, and the top of two locating rods 3 is fixedly connected with
Fixed plate 4, the top of fixed plate 4 are fixedly connected with bellows 5, and the inside of bellows 5 is fixedly installed with diaphragm 6, the middle part of fixed plate 4
Movable sleeve is connected to valve rod 7, and the top of valve rod 7 is contacted with the bottom of diaphragm 6, and valve rod 7 and spring base 13 and adjusting screwed pipe 16 are equal
Pivot bush unit, fluid are entered in bellows 5 by branch pipe 21, so that 5 internal pressure of bellows increases, diaphragm 6 is moved down with ovable valve stem 7,
To drive initial approach to become a Buddhist believer automatic work, the bottom end of valve rod 7 extends to the inside of valve body 1 and is fixedly connected with spool 8,8 lower curtate of spool
Two sides be fixedly connected with couple axle 9, the bottom end of two couple axles 9 is fixedly connected with support shaft 10, and the both ends of support shaft 10 are solid
Surely it is connected with and clears up plug 11, the outer of cleaning plug 11 and the inner wall pivot bush unit of valve seat 12, and the inner wall of valve seat 12 and spool 8
Bottom end pivot bush unit, the shape of cleaning plug 11 are ring-type, mobile in the inside of valve seat 12 using cleaning plug 11, so that valve seat
12 inner wall keeps clean and tidy, prevents the impurity inside valve seat 12 so that valve seat 12 contacted with spool 8 it is not close, to influence to adjust
The blocking effect of valve is saved, the bottom fixing sleeve of 1 inner cavity of valve body is equipped with the valve seat 12 for being located at 8 lower section of spool, and the top of valve rod 7 is fixed
It is socketed with the spring base 13 for being located at 4 lower section of fixed plate, the two sides of spring base 13 are fixedly connected to locating piece 14, two locating pieces
14 side has been respectively fixedly connected with limited block 15, the middle part of limited block 15 and 3 pivot bush unit of locating rod, and locating rod 3 and limit
The side pivot bush unit of position plate 18, the side of locating rod 3 are not contacted with the side of adjusting nut 17, are limited using 3 Duis of locating rod
Block 15 is limited, so that being in the state of vertical valve body 1 always, it is ensured that valve rod is stable when spring base 13 and mobile valve rod 7
The on-off of valve is controlled to adjust, is fixedly connected in the middle part of 2 top of connecting plate and adjusts screwed pipe 16, adjusts the fixed company in top of screwed pipe 16
It is connected to baffle, it is ensured that when adjusting nut 17 rotates, without departing from adjusting screwed pipe 16, and adjust baffle and spring 19 on screwed pipe 16
Inside do not contact, do not influence the normal work of spring 19, adjust screw thread on screwed pipe 16 and be socketed with adjusting nut 17, adjust screwed pipe
Movable sleeve is connected to the limit plate 18 above adjusting nut 17 on 16, and the quantity of limit plate 18 is two, and two limit plates
18 are located above and below adjusting nut 17, the surface of two limit plates 18 respectively with the top and bottom of adjusting nut 17
Portion's contact, and it is fixedly connected with connecting rod between two limit plates 18, adjusting nut 17 is limited using two limit plates 18
Position so that adjusting nut 17 is not easy to loosen when rotating, and influences the adjusting of the pressure control point of regulating valve, the top of limit plate 18
It is fixedly connected with spring 19, the top of spring 19 is fixedly connected with the bottom of spring base 13, and the side of valve body 1, which is fixedly connected with, leads
Pipe 20, the top of conduit 20 are fixedly connected with branch pipe 21, and the one end of branch pipe 21 far from conduit 20 and the middle part on 5 top of bellows are fixed
Socket.
When work, firstly, adjusting pressure control point by rotation adjusting nut 17, then, fluid passes through valve body 1, so that
Spool 8 is separated with valve seat 12, and fluid is entered in bellows 5 by branch pipe 21, so that 5 internal pressure of bellows increases, diaphragm 6 drives valve
Bar 7 moves down, to drive regulating valve automatic work, finally, driving cleaning plug 11 mobile by spool 8, clears up inside valve seat 12
Impurity.
In conclusion the ultralow temperature self-contained pressure regulator, mobile with movable valve plug 8 by valve rod 7, couple axle is utilized
9 drive cleaning plug 11 mobile in the inside of valve seat 12, so that the impurity adhered on 12 inner wall of valve seat is cleared up, so that regulating valve is next
When work, the bottom end of spool 8 is contacted with the inner tight of valve seat 12, to not influence the blocking effect of regulating valve；Pass through spring
Seat 13 is fixedly attached with valve rod 7, the limited block 15 of 13 two sides of spring base respectively with two 3 pivot bush units of locating rod so that valve rod 7
When moving, it is in the state of vertical valve body 1 always, it is ensured that the on-off of the stable control and regulation valve of valve rod, to improve tune
Save the practicability of valve；Solves existing self-contained pressure regulator when not in use, the contact site of valve seat and spool is easy
Impurity is adhered to, prevent regulating valve is next in use, because impurity causes valve seat with spool from being in close contact, to influence regulating valve
Blocking effect, thus the problem of reducing the practicability of direct-operated regulator.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of ultralow temperature self-contained pressure regulator, including valve body (1), it is characterised in that: the top of the valve body (1) is solid
Surely it is connected with connecting plate (2), the two sides at the top of the connecting plate (2) are fixedly connected to locating rod (3), two locating rods
(3) top is fixedly connected with fixed plate (4), is fixedly connected with bellows (5) at the top of the fixed plate (4), the bellows (5)
Inside be fixedly installed with diaphragm (6), the middle part movable sleeve of the fixed plate (4) is connected to valve rod (7), the bottom of the valve rod (7)
End extends to the inside of valve body (1) and is fixedly connected with spool (8), and the two sides of spool (8) lower curtate are fixedly connected with gearing
The bottom end of axis (9), two couple axles (9) is fixedly connected with support shaft (10), and the both ends of the support shaft (10) are fixed to be connected
It is connected to cleaning plug (11), the bottom fixing sleeve of valve body (1) inner cavity is equipped with the valve seat (12) being located at below spool (8), described
The top fixing sleeve of valve rod (7) is connected to the spring base (13) below fixed plate (4), and the two sides of the spring base (13) are solid
Surely it is connected with locating piece (14), the side of two locating pieces (14) has been respectively fixedly connected with limited block (15), the connection
It is fixedly connected in the middle part of plate (2) top and adjusts screwed pipe (16), screw thread is socketed with adjusting nut on the adjusting screwed pipe (16)
(17), movable sleeve is connected to the limit plate (18) above adjusting nut (17), the limit plate on adjusting screwed pipe (16)
(18) it is fixedly connected at the top of spring (19), the top of the spring (19) is fixedly connected with the bottom of spring base (13), institute
The side for stating valve body (1) is fixedly connected with conduit (20), is fixedly connected with branch pipe (21), the branch at the top of the conduit (20)
It is fixedly attached in the middle part of one end and bellows (5) top of pipe (21) separate conduit (20).
2. a kind of ultralow temperature self-contained pressure regulator according to claim 1, it is characterised in that: the valve rod (7)
Top contacted with the bottom of diaphragm (6), and valve rod (7) and spring base (13) and adjusting screwed pipe (16) equal pivot bush unit.
3. a kind of ultralow temperature self-contained pressure regulator according to claim 1, it is characterised in that: the cleaning plug
(11) the inner wall pivot bush unit of outer and valve seat (12), and the bottom end pivot bush unit of the inner wall of valve seat (12) and spool (8), institute
The shape of cleaning plug (11) is stated as ring-type.
4. a kind of ultralow temperature self-contained pressure regulator according to claim 1, it is characterised in that: the limited block
(15) middle part and locating rod (3) pivot bush unit, and the side pivot bush unit of locating rod (3) and limit plate (18), the positioning
The side of bar (3) is not contacted with the side of adjusting nut (17).
5. a kind of ultralow temperature self-contained pressure regulator according to claim 1, it is characterised in that: the adjusting screwed pipe
(16) top is fixedly connected with baffle, and the baffle adjusted on screwed pipe (16) is not contacted with the inside of spring (19).
6. a kind of ultralow temperature self-contained pressure regulator according to claim 1, it is characterised in that: the limit plate
(18) quantity is two, and two limit plates (18) are located above and below adjusting nut (17), two limits
The surface of position plate (18) is contacted with the top and bottom of adjusting nut (17) respectively, and is fixedly connected between two limit plates (18)
There is connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821403344.7U CN209084130U (en) | 2018-08-29 | 2018-08-29 | A kind of ultralow temperature self-contained pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821403344.7U CN209084130U (en) | 2018-08-29 | 2018-08-29 | A kind of ultralow temperature self-contained pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209084130U true CN209084130U (en) | 2019-07-09 |
Family
ID=67115395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821403344.7U Active CN209084130U (en) | 2018-08-29 | 2018-08-29 | A kind of ultralow temperature self-contained pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209084130U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883311A (en) * | 2021-10-28 | 2022-01-04 | 秦宏伟 | Ultramicro-pressure self-operated pressure regulating valve |
| CN115929961A (en) * | 2023-02-21 | 2023-04-07 | 四川旭信阀门制造有限公司 | Self-operated pressure regulating valve and use method thereof |
-
2018
- 2018-08-29 CN CN201821403344.7U patent/CN209084130U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883311A (en) * | 2021-10-28 | 2022-01-04 | 秦宏伟 | Ultramicro-pressure self-operated pressure regulating valve |
| CN115929961A (en) * | 2023-02-21 | 2023-04-07 | 四川旭信阀门制造有限公司 | Self-operated pressure regulating valve and use method thereof |
| CN115929961B (en) * | 2023-02-21 | 2023-05-12 | 四川旭信阀门制造有限公司 | Self-operated pressure regulating valve and use method thereof |
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