CN205592427U - Integral type gas accuse switching -over valve - Google Patents

Abstract

The utility model discloses an integral type gas accuse switching -over valve, including valve body, valve rod, control end bush, reset terminal bush, spacer, control piston, set up an inner chamber in the valve body, the valve rod setting is in the inner chamber of valve body, and the both ends of valve body inner chamber are provided with control end bush, reset terminal bush respectively, and control end bush, reset terminal bush are one end open -ended dome shape, are provided with the spacer in the valve body inner chamber, and control piston is installed to the valve stem end face of control end bush side, and control piston's the diameter of axle is greater than the diameter of axle of valve rod, the cask shape that inner chamber in the valve body runs through for both ends, control end bush, reset terminal bush pass through the jump ring to be installed at the both ends of valve body inner chamber, still is provided with O type sealing washer between control end bush, reset terminal bush and the valve body inner chamber. The utility model discloses a valve body formula structure as an organic whole is through jump ring installation control end bush, reset terminal bush to be equipped with sealed design, and can satisfy the work demand and practice thrift manufacturing cost again, improved equipment stability.

Description

A kind of integral type Pneumatic reversal valve

Technical field

This utility model relates to direction controlling valve member technical field, particularly relates to a kind of integral type Pneumatic reversal valve.

Background technology

Air pressure controls reversal valve, is the side utilizing gas pressure to make gas and changing flow to make main valve plug move To controlling valve member.The valve body of existing valve member is assembled by some, and not only production cost is high, Er Qieshe Standby fault rate is high.

Summary of the invention

This utility model for, develop a kind of integral type Pneumatic reversal valve, the valve body of this valve member is integral type knot Structure, and work requirements can be met saved production cost, improve stabilization of equipment performance.

This utility model solves the technical scheme of technical problem: a kind of integral type Pneumatic reversal valve, including valve Body, valve rod, control end liner set, reset terminal lining, spacer, control piston, arrange an inner chamber, valve in valve body Bar is arranged in the inner chamber of valve body, and the two ends of body cavity are respectively arranged with control end liner set, reset terminal lining, Control end liner set, reset terminal lining is the dome-shaped of one end open, is provided with spacer in body cavity, controls The valve rod end face of end bush side is provided with control piston, controls the diameter of axle diameter of axle more than valve rod of piston；Described Inner chamber in valve body is the drum-shaped that two ends are run through, and control end liner set, reset terminal lining are arranged on by jump ring The two ends of body cavity, control end liner set, are additionally provided with the sealing of O type between reset terminal lining and body cavity Circle.

Described control piston is arranged on control end bush inside, controls piston and controls on the binding face that end liner overlaps One groove is set, groove is provided with Y-shaped ring.

Described spacer cross section is H-shaped, and spacer has individual, is provided with E type circle, outermost between adjacent spacer Be provided with back-up ring on the end face of spacer, between spacer and back-up ring, be also equipped with E type circle, valve rod be arranged on spacer, In the cavity that E type circle is formed.

Described control end liner set, the bottom of reset terminal lining are both provided with cushion pad.

Being provided with air inlet, venthole, steam vent on described valve body, air inlet, venthole, steam vent divide Not corresponding with a spacer.

Described valve body is positioned at control end bush side and is provided with control gas circuit, reset gas circuit, controls gas circuit one end even Logical control piston and the cavity controlled between end liner set bottom surface, one end communicating valve external body；Reset gas circuit one end Connection controls the cavity between piston and outermost spacer, one end communicating valve external body.

Described valve body is positioned at the side of reset terminal lining and is additionally provided with initial bit gas circuit, and initial bit gas circuit one end is even Lead to the cavity between reset terminal lining with outermost spacer, one end connects air inlet.

The beneficial effects of the utility model:

Valve body the most of the present utility model is integral type structure, is installed by jump ring and controls end liner set, reset end liner Set, and is equipped with Seal Design, and can meet work requirements and saved again production cost, improves equipment stable Property.

2. by using Y-shaped ring, E type circle to ensure the sealing in valve member work process.

3., by using cushion pad, improve the stability in valve member running.

4. by arranging initial bit gas circuit, can realize: when connecting source of the gas, stem movement extremely controls end bush side, Right side venthole connects with air inlet；When giving control gas circuit ventilation, owing to controlling the diameter of axle of piston more than valve rod The diameter of axle, stem movement to reset terminal bush side, left side venthole connects with air inlet；Lead to reset gas circuit During gas, stem movement is to controlling end bush side, and right side venthole connects with air inlet.It is applicable to executive item Initial bit is equipped with the situation of particular/special requirement.

Accompanying drawing explanation

Fig. 1 is front view of the present utility model.

Fig. 2 is top view of the present utility model.

Fig. 3 is upward view of the present utility model.

Fig. 4 is the Fig. 1 sectional view along E-E direction.

Fig. 5 is the Fig. 2 sectional view along H-H direction.

Fig. 6 is the Fig. 3 sectional view along G-G direction.

Fig. 7 is the overall construction drawing of this utility model valve body.

Fig. 8 is overall construction drawing of the present utility model.

Detailed description of the invention

In order to be more fully understood that this utility model, explain in detail enforcement of the present utility model below in conjunction with the accompanying drawings Mode.

Fig. 1 to Fig. 8 is a kind of embodiment of the present utility model, as it can be seen, a kind of integral type gas control commutation Valve, including valve body 1, valve rod 2, controls end liner set 3, reset terminal lining 4, spacer 5, control piston 6, Arranging an inner chamber in valve body 1, valve rod 2 is arranged in the inner chamber of valve body 1, and the two ends of valve body 1 inner chamber are respectively Being provided with control end liner set 3, reset terminal lining 4, control end liner set 3, reset terminal lining 4 are one end open Dome-shaped, valve body 1 inner chamber is provided with spacer 5, controls end liner and overlap valve rod 2 end face of 3 sides control is installed Piston 6 processed, controls the diameter of axle diameter of axle more than valve rod 2 of piston 6；Inner chamber in described valve body 1 is that two ends are passed through The drum-shaped worn, is controlled end liner set 3, reset terminal lining 4 and is arranged on the two ends of valve body 1 inner chamber by jump ring 7, Control end liner set 3, between reset terminal lining 4 and valve body 1 inner chamber, be additionally provided with O RunddichtringO 11.Control It is internal that piston 6 is arranged on control end liner set 3, controls piston 6 and controls to arrange on the binding face of end liner set 3 One groove, is provided with Y-shaped ring 9 in groove.Spacer 5 cross section is H-shaped, and spacer 5 has 5, adjacent every It is provided with E type circle 8 between set 5, the end face of outermost spacer 5 is provided with back-up ring 14, spacer 5 and gear It is also equipped with E type circle 8, in the cavity that valve rod 2 is arranged on spacer 5, E type circle 8 is formed between circle 14.Control End liner processed set 3, the bottom of reset terminal lining 4 are both provided with cushion pad 10.It is provided with air inlet on valve body 1 101, venthole 102, steam vent 103, air inlet 101, venthole 102, steam vent 103 are respectively with one Spacer 5 is corresponding.Valve body 1 be positioned at control end liner overlap 3 sides be provided with control gas circuit 12, reset gas circuit 13, control Gas circuit 12 one end processed connection controls piston 6, and end liner overlaps the cavity between 3 bottom surfaces, one end connects valve body with control 1 is outside；The connection of reset gas circuit 13 one end controls the cavity between piston 6 and outermost spacer 5, one end even Logical valve body 1 is outside.Valve body 1 is positioned at the side of reset terminal lining 4 and is additionally provided with initial bit gas circuit 15, initially Cavity, one end between gas circuit 15 one end, position connection reset terminal lining 4 and outermost spacer 5 connect air inlet 101。

Valve body of the present utility model is integral type structure, is installed by jump ring and controls end liner set, reset terminal lining, And it is equipped with Seal Design, and work requirements can be met saved production cost, improve stabilization of equipment performance. By using Y-shaped ring, E type circle to ensure the sealing in valve member work process.By using cushion pad, carry Stability in high valve member running.By arranging initial bit gas circuit, can realize: when connecting source of the gas, Stem movement is to controlling end bush side, and right side venthole connects with air inlet；When giving control gas circuit ventilation, by In controlling the diameter of axle of piston more than the diameter of axle of valve rod, stem movement to reset terminal bush side, left side venthole with Air inlet connects；When ventilating to reset gas circuit, stem movement to control end bush side, right side venthole with enter Pore connects.It is applicable to executive item initial bit is equipped with the situation of particular/special requirement.

Although the detailed description of the invention of utility model is described by the above-mentioned accompanying drawing that combines, but not to this reality With the restriction of novel protected scope, on the basis of the technical solution of the utility model, those skilled in the art Need not to pay various amendments or deformation that creative work can make still at protection domain of the present utility model Within.

Claims (7)

1. an integral type Pneumatic reversal valve, it is characterised in that: include valve body (1), valve rod (2), control End liner set (3) processed, reset terminal lining (4), spacer (5), control piston (6), in valve body (1) Arranging an inner chamber, valve rod (2) is arranged in the inner chamber of valve body (1), and the two ends of valve body (1) inner chamber are respectively It is provided with control end liner set (3), reset terminal lining (4), controls end liner set (3), reset terminal lining (4) For the dome-shaped of one end open, valve body (1) inner chamber is provided with spacer (5), controls end liner set (3) side Valve rod (2) end face control piston (6) is installed, control the diameter of axle of piston (6) more than valve rod (2) The diameter of axle；Inner chamber in described valve body (1) is the drum-shaped that two ends are run through, and controls end liner set (3), answers Position end liner set (4) is arranged on the two ends of valve body (1) inner chamber by jump ring (7), control end liner set (3), O RunddichtringO (11) it is additionally provided with between reset terminal lining (4) and valve body (1) inner chamber.

2. a kind of integral type Pneumatic reversal valve as claimed in claim 1, is characterized in that, described control piston (6) it is arranged on control end liner set (3) internal, controls piston (6) and the laminating controlling end liner set (3) One groove is set on face, groove is provided with Y-shaped ring (9).

3. a kind of integral type Pneumatic reversal valve as claimed in claim 1, is characterized in that, described spacer (5) Cross section is H-shaped, and spacer (5) has 5, is provided with E type circle (8) between adjacent spacer (5), It is provided with back-up ring (14) on the end face in outside spacer (5), also sets between spacer (5) and back-up ring (14) It is equipped with E type circle (8), in the cavity that valve rod (2) is arranged on spacer (5), E type circle (8) is formed.

4. a kind of integral type Pneumatic reversal valve as claimed in claim 1, is characterized in that, described control end liner Set (3), the bottom of reset terminal lining (4) are both provided with cushion pad (10).

5. a kind of integral type Pneumatic reversal valve as claimed in claim 1, is characterized in that, described valve body (1) On be provided with air inlet (101), venthole (102), steam vent (103), air inlet (101), Venthole (102), steam vent (103) are corresponding with a spacer (5) respectively.

6. a kind of integral type Pneumatic reversal valve as claimed in claim 1, is characterized in that, described valve body (1) It is positioned at control end liner set (3) side and is provided with control gas circuit (12), reset gas circuit (13), control gas circuit (12) One end connection controls piston (6) and connects valve body (1) with the cavity controlled between end liner set (3) bottom surface, one end Outside；Reset gas circuit (13) one end connection control piston (6) and outermost spacer (5) between cavity, One end connection valve body (1) is outside.

7. a kind of integral type Pneumatic reversal valve as claimed in claim 5, is characterized in that, described valve body (1) The side being positioned at reset terminal lining (4) is additionally provided with initial bit gas circuit (15), initial bit gas circuit (15) Cavity, one end between end connection reset terminal lining (4) and outermost spacer (5) connect air inlet (101).