CN204533619U - Rotary multilevel decompression valve - Google Patents

Rotary multilevel decompression valve Download PDF

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Publication number
CN204533619U
CN204533619U CN201520203335.3U CN201520203335U CN204533619U CN 204533619 U CN204533619 U CN 204533619U CN 201520203335 U CN201520203335 U CN 201520203335U CN 204533619 U CN204533619 U CN 204533619U
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China
Prior art keywords
spool
cylindrical shape
rotary
valve
multilevel decompression
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CN201520203335.3U
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Chinese (zh)
Inventor
高永辉
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WUHAN HAND VALVE INSTRUMENT Co Ltd
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WUHAN HAND VALVE INSTRUMENT Co Ltd
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Abstract

The utility model discloses a kind of rotary multilevel decompression valve, relate to pipeline valve technical field, it comprises valve body, cylindrical shape spool, upper valve rod and drive unit; Valve body comprises left adapter, right adapter and one for holding the chamber of cylindrical shape spool, and the both sides of chamber are communicated with left adapter, right adapter respectively; The top of valve body has mounting hole, and the top of cylindrical shape spool is connected with drive unit by upper valve rod, and cylindrical shape spool is inserted in chamber by mounting hole, the sidewall of cylindrical shape spool radially has two runner holes; Cylindrical shape valve core inside has spool cavity, and this spool cavity passes through the ft connection of runner hole and cylindrical shape spool; Be provided with cutoff board in the axial direction in spool cavity, this cutoff board bottom is fixedly arranged on spool cavity bottom, keeps certain distance between the top of cutoff board and spool cavity top; Pressure reductor assembly is respectively equipped with between the bi-side of cutoff board and the sidewall of spool cavity.The utility model improves the step-down ability of dropping valve.

Description

Rotary multilevel decompression valve
Technical field
The utility model relates to pipeline valve technical field, is specifically a kind of rotary multilevel decompression valve.
Background technique
Along with the develop rapidly of information technology and industrial intelligent improve constantly, valve is as the end effector controlling fluid motion in pipeline, just progressively change the narrow limitation of ego function and be imbued with brand-new theory, and inner valve enterprise of state is just along energy-saving and environmental protection, the new demand new direction development such as intelligence, volume are little, lightweight, the life-span is long.
At present, China has great potentiality in fields such as oil, rock gas, electric power, chemical industry, environmental protection, environment involved by above-mentioned field mostly is hyperbaric environment, therefore it is very big to the demand of dropping valve, but the step-down ability due to conventional buck valve is fixed non-adjustable and step-down is limited in one's ability, and therefore conventional buck valve cannot meet existing Production requirement.
Model utility content
For the defect existed in prior art, the purpose of this utility model is to provide a kind of rotary multilevel decompression valve, and the utility model improves the step-down ability of dropping valve, and meets existing Production requirement; Flexibility is higher, improves manufacturing efficiency.
For reaching above object, the technological scheme that the utility model is taked is: a kind of rotary multilevel decompression valve, comprises valve body, cylindrical shape spool, upper valve rod and drive unit; Described valve body comprises left adapter, right adapter and one for holding the chamber of cylindrical shape spool, and the both sides of chamber are communicated with left adapter, right adapter respectively; The top of valve body has mounting hole, and the top of cylindrical shape spool is connected with drive unit by upper valve rod, and described cylindrical shape spool is inserted in chamber by mounting hole, the sidewall of cylindrical shape spool radially has two runner holes; Described cylindrical shape valve core inside has spool cavity, and this spool cavity is by the ft connection of described runner hole and cylindrical shape spool; Be provided with cutoff board in the axial direction in described spool cavity, this cutoff board bottom is fixedly arranged on spool cavity bottom, keeps certain distance between the top of cutoff board and spool cavity top; Pressure reductor assembly is respectively equipped with between the bi-side of described cutoff board and the sidewall of spool cavity.
On the basis of technique scheme, described pressure reductor assembly comprises 3 pieces of pressure reductor be arranged in parallel.
On the basis of technique scheme, described rotary multilevel decompression valve also comprises two sealing seats, and described two sealing seats are separately positioned between cylindrical shape spool both sides and left adapter, right adapter.
On the basis of technique scheme, described cylindrical shape spool, sealing seat all adopt stainless steel to make.
On the basis of technique scheme, the medial axis of described mounting hole overlaps with the medial axis of chamber, and the diameter of mounting hole is greater than the diameter of cylindrical shape spool.
On the basis of technique scheme, described mounting hole top is provided with bonnet, and bonnet is provided with the through hole passed for upper valve rod, and is filled with filler between through hole and upper valve rod.
On the basis of technique scheme, the bottom of described bonnet is provided with one deck sealing gasket.
On the basis of technique scheme, described rotary multilevel decompression valve also comprises lower valve rod, and described cylindrical shape spool is by the bottom surface pivot joint of lower valve rod and valve body.
On the basis of technique scheme, described drive unit is fixedly arranged on the top of valve body by support.
On the basis of technique scheme, described drive unit is pneumatic actuator, electric actuator, hydraulic executer or manual turbine.
The beneficial effects of the utility model are:
1, in the utility model, limit and the flow path extending fluid by arranging cutoff board at cylindrical shape valve core inside; Forming multilevel decompression structure by arranging pressure reductor assembly again, making fluid obtain sufficient step-down, this improves the step-down ability of dropping valve, and meet existing Production requirement.
2, in the utility model, can according to the quantity of pressure reductor in different regulating working conditions pressure reductor assembly, therefore this dropping valve can meet different duty requirements, and flexibility is higher.
3, in the utility model, owing to adopting cylindrical shape spool and be provided with mounting hole, after cylindrical shape spool or sealing seat wearing and tearing, can quick-replaceable, improve manufacturing efficiency.
Accompanying drawing explanation
Fig. 1 is the partial sectional view of rotary multilevel decompression valve in the utility model embodiment;
Fig. 2 is the sectional view of spool in the utility model embodiment.
Reference character:
1-valve body; The left adapter of 11-; The right adapter of 12-; 13-mounting hole;
2-cylindrical shape spool; 21-runner hole; 22-spool cavity; 23-cutoff board; 24-pressure reductor assembly;
3-sealing seat; 4-upper valve rod; 5-lower valve rod; 6-drive unit; 7-bonnet; 8-filler; 9-sealing gasket.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Shown in Figure 1, the utility model embodiment provides a kind of rotary multilevel decompression valve, comprise valve body 1, cylindrical shape spool 2, upper valve rod 4, drive unit 6, two sealing seats 3 and lower valve rod 5; Described valve body 1 comprises left adapter 11, right adapter 12 and one for holding the chamber of cylindrical shape spool 2, and the both sides of chamber are communicated with left adapter 11, right adapter 12 respectively; The top of valve body 1 has mounting hole 13; The described medial axis of mounting hole 13 overlaps with the medial axis of chamber, and the diameter of mounting hole 13 is greater than the diameter of cylindrical shape spool 2, after cylindrical shape spool or sealing seat wearing and tearing, can quick-replaceable, and improve manufacturing efficiency.Described mounting hole 13 top is provided with bonnet 7, and bonnet 7 is provided with the through hole passed for upper valve rod 4, and is filled with filler 8 between through hole and upper valve rod 4.The bottom of described bonnet 7 is provided with one deck sealing gasket 9, improves the sealing of valve body 1.The top of cylindrical shape spool 2 is connected with drive unit 6 by upper valve rod 4, and this drive unit 6 is for driving cylindrical shape spool 2 axial rotation.Cylindrical shape spool 2 is by the bottom surface pivot joint of lower valve rod 5 with valve body 1.Described two sealing seats 3 are separately positioned between cylindrical shape spool 2 both sides and left adapter 11, right adapter 12.Described cylindrical shape spool 2, sealing seat 3 all adopt stainless steel to make.Described drive unit 6 is fixedly arranged on the top of valve body 1 by support, concrete, and this drive unit 6 is pneumatic actuator, electric actuator, hydraulic executer or manual turbine.
Shown in Figure 2, described cylindrical shape spool 2 is inserted in chamber by mounting hole 13, the sidewall of cylindrical shape spool 2 radially has two runner holes 21, described cylindrical shape spool 2 inside is provided with spool cavity 22, and this spool cavity 22 is by the ft connection of described runner hole 21 with cylindrical shape spool 2, cutoff board 23 is provided with in the axial direction in described spool cavity 22, this cutoff board 23 bottom is fixedly arranged on bottom spool cavity 22, top and spool cavity 22 top of cutoff board 23 keep certain distance, namely spool cavity 22 be divide into a left side by this cutoff board 23, right two chambers, and by described open communication between left chamber and right chamber, after fluid enters spool cavity 22 by runner hole 21, need to enter a left side successively, right two chambers, extend the flow path of fluid at spool cavity 22, and between the bi-side of described cutoff board 23 and the sidewall of spool cavity 22, be respectively equipped with pressure reductor assembly 24, and can according to the quantity of pressure reductor in different regulating working conditions pressure reductor assembly, therefore this dropping valve can meet different duty requirements, flexibility is higher.Preferably, described pressure reductor assembly 24 comprises 3 pieces of pressure reductor be arranged in parallel.
The utility model is not only confined to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the utility model or akin technological scheme, all within its protection domain.

Claims (10)

1. a rotary multilevel decompression valve, comprises valve body (1), cylindrical shape spool (2), upper valve rod (4) and drive unit (6); Described valve body (1) comprises left adapter (11), right adapter (12) and one for holding the chamber of cylindrical shape spool (2), and the both sides of chamber are communicated with left adapter (11), right adapter (12) respectively; The top of valve body (1) has mounting hole (13), and the top of cylindrical shape spool (2) is connected with drive unit (6) by upper valve rod (4), it is characterized in that:
Described cylindrical shape spool (2) is inserted in chamber by mounting hole (13), the sidewall of cylindrical shape spool (2) radially has two runner holes (21); There is spool cavity (22) described cylindrical shape spool (2) inside, and this spool cavity (22) is by the ft connection of described runner hole (21) with cylindrical shape spool (2);
Cutoff board (23) is provided with in the axial direction in described spool cavity (22), this cutoff board (23) bottom is fixedly arranged on spool cavity (22) bottom, keeps certain distance between the top of cutoff board (23) and spool cavity (22) top; Pressure reductor assembly (24) is respectively equipped with between the bi-side of described cutoff board (23) and the sidewall of spool cavity (22).
2. rotary multilevel decompression valve as claimed in claim 1, is characterized in that: described pressure reductor assembly (24) comprises 3 pieces of pressure reductor be arranged in parallel.
3. rotary multilevel decompression valve as claimed in claim 1, it is characterized in that: described rotary multilevel decompression valve also comprises two sealing seats (3), described two sealing seats (3) are separately positioned between cylindrical shape spool (2) both sides and left adapter (11), right adapter (12).
4. rotary multilevel decompression valve as claimed in claim 3, is characterized in that: described cylindrical shape spool (2), sealing seat (3) all adopt stainless steel to make.
5. rotary multilevel decompression valve as claimed in claim 1, it is characterized in that: the medial axis of described mounting hole (13) overlaps with the medial axis of chamber, and the diameter of mounting hole (13) is greater than the diameter of cylindrical shape spool (2).
6. rotary multilevel decompression valve as claimed in claim 1, it is characterized in that: described mounting hole (13) top is provided with bonnet (7), bonnet (7) is provided with the through hole passed for upper valve rod (4), and is filled with filler (8) between through hole and upper valve rod (4).
7. rotary multilevel decompression valve as claimed in claim 6, is characterized in that: the bottom of described bonnet (7) is provided with one deck sealing gasket (9).
8. rotary multilevel decompression valve as claimed in claim 1, it is characterized in that: described rotary multilevel decompression valve also comprises lower valve rod (5), described cylindrical shape spool (2) is by the bottom surface pivot joint of lower valve rod (5) with valve body (1).
9. rotary multilevel decompression valve as claimed in claim 1, is characterized in that: described drive unit (6) is fixedly arranged on the top of valve body (1) by support.
10. the rotary multilevel decompression valve as described in any one of claim 1 to 9, is characterized in that: described drive unit (6) is pneumatic actuator, electric actuator, hydraulic executer or manual turbine.
CN201520203335.3U 2015-04-07 2015-04-07 Rotary multilevel decompression valve Active CN204533619U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520203335.3U CN204533619U (en) 2015-04-07 2015-04-07 Rotary multilevel decompression valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520203335.3U CN204533619U (en) 2015-04-07 2015-04-07 Rotary multilevel decompression valve

Publications (1)

Publication Number Publication Date
CN204533619U true CN204533619U (en) 2015-08-05

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Application Number Title Priority Date Filing Date
CN201520203335.3U Active CN204533619U (en) 2015-04-07 2015-04-07 Rotary multilevel decompression valve

Country Status (1)

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CN (1) CN204533619U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110486490A (en) * 2018-05-14 2019-11-22 讯凯国际股份有限公司 Control valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110486490A (en) * 2018-05-14 2019-11-22 讯凯国际股份有限公司 Control valve

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