CN206145181U - Two five -way switching -over valves of mechanical type - Google Patents

Abstract

The utility model discloses a two five -way switching -over valves of mechanical type, which comprises a body, this internal valve pocket and setting case in the valve pocket of being equipped with, one side of body from left to right be equipped with in proper order can with the gas vent no. 1 of valve pocket intercommunication, air inlet and gas vent two, the opposite side of body be equipped with can with the working hole no. 1 and working hole no. 2 of valve pocket intercommunication, gas vent no. 1 and working hole are equipped with crater no. 1 between one, air inlet and working hole are equipped with crater no. 2 between one, air inlet and working hole are equipped with crater no. 3 between two, gas vent no. 2 and working hole are equipped with crater no. 4 between two, be equipped with the sealing washer on the left end of case, the right -hand member of case is equipped with sealed pad no. 1 and sealed pad no. 2, the left end of body is equipped with the end cover, be equipped with the ejector pin in the end cover, be equipped with the main spring between ejector pin and the case. The utility model aims at providing a reduce the two five -way switching -over valves of mechanical type that the working medium cleanliness required, improved the operational reliability.

Description

The position-5 way valve of mechanical type two

Technical field

This utility model belongs to five-way valve field, more particularly to a kind of position-5 way valve of mechanical type two.

Background technology

At present, common five-way valve structure is " slide column type ", such as Chinese patent notification number：CN103016785A, discloses A kind of symmetric two-position five-way valve, including valve body, may move the valve rod in the valve pocket A of valve body, located at the valve at valve body two ends Lid, it is equidistant successively from left to right on the valve body wall to be provided with interior air vent one, gas outlet one, air inlet, gas outlet two, interior row QI KOU two；Fixation on the valve pocket A inwalls is lined with spacer, and some flat circles, each flat are interval with the spacer Circle and interior air vent one, gas outlet one, air inlet, gas outlet two, interior air vent two is crisscross arranged, and the valve rod two ends are provided with work Plug, is interval with two ventilation recesses on valve rod, the valve gap is provided with hand-operated valve, and the air inlet is by located at the logical of valve body Hole connects with hand-operated valve, and the hand-operated valve is connected with valve pocket A.

However, in existing slide column type structure, when solid impurity is contained in compressed air, impurity can be attached to spool face Slide with valve element, sealing ring is easily cut during this, cause that effectively sealing cannot be realized between sealing ring and valve element.When When containing moisture in compressed air, moisture can wash away the oils and fatss on sealing ring, cause slide construction work bad.Therefore it is existing Two-way valve in technology is higher for the cleannes requirement of working media, will otherwise largely effect on the reliability of valve.

Utility model content

This utility model is to overcome above-mentioned deficiency of the prior art, there is provided one kind reduces working media cleannes Require, improve the position-5 way valve of mechanical type two of functional reliability.

To achieve these goals, this utility model is employed the following technical solutions：

A kind of position-5 way valve of mechanical type two, including body, described is provided with vivo valve pocket and is arranged in valve pocket Valve element, the side of the body is from left to right sequentially provided with the air vent one, air inlet and air vent two that can be connected with valve pocket, The opposite side of body is provided with the working hole one and working hole two that can be connected with valve pocket, air vent one, air inlet, air vent two and work Make mouth one, the interlaced arrangement of working hole two, volcanic crater one, air inlet and working hole are provided between the air vent one and working hole one Volcanic crater two is provided between one, volcanic crater three is provided between air inlet and working hole two, set between air vent two and working hole two There is volcanic crater four, the left end of the valve element is provided with and can switch sealing state between volcanic crater end face and volcanic crater biend Sealing ring, the right-hand member of valve element is provided with the sealing gasket one that can coordinate with the end face of volcanic crater three and can coordinate with the end face of volcanic crater four Sealing gasket two, the left end of the body is provided with end cap, the push rod that may act on valve element is provided with end cap, between push rod and valve element It is provided with main spring.

In the prior art, to be slidingly sealed between valve element and valve body, when in controlling gas containing solid impurity, impurity meeting It is attached on valve element and is slided with valve element, or even cut sealing ring, cause piston seal bad, so as to affects normally changing for valve To the moisture in gas can wash away the oils and fatss on sealing ring, cause slide construction work bad.Further, since using slip Radial seal, it is higher to valve element and spacer requirement on machining accuracy, cause processing cost to remain high.In this programme, in valve pocket Corresponding volcanic crater is provided among individual channel, valve element is provided with sealing gasket and sealing ring, so as to enter to the end face at volcanic crater Row coordinates.During original state, valve element is located at left position, and volcanic crater one and volcanic crater three are in cut-off state, volcanic crater two and volcano Mouth four is in connected state, now the logical working hole one of air inlet, working hole two-way air vent two.When push rod promotes valve element to move to right Afterwards, valve element is in right position, and volcanic crater one and volcanic crater three are in connected state, and volcanic crater two and volcanic crater four are in cut-off shape State, the now logical working hole two of air inlet, working hole one leads to air vent one, so as to realize switch operation.Valve element part is using sealing Pad or sealing gasket and intrinsic volcanic crater end face seal, the solid impurity contained in the working gas of valve pocket, even if attached On valve element, damage will not be caused to sealing ring and sealing gasket because of the movement of valve element, extend sealing ring and sealing gasket Service life, improve the reliability of five-way valve.And sealing ring and sealing gasket need not rely on oils and fatss and participate in sealing, work Moisture in gas will not produce impact to sealing effectiveness.Therefore, the filtering accuracy requirement to working gas is relatively low, can be severe Use under environment, such as contain solid impurity or moisture environment in dust atmosphere and other working medias.

Preferably, the left end of the valve pocket is provided with left spacer, the position of air vent one correspondence is provided with described left spacer Exhaust chamber one, the valve pocket is provided with work chamber one corresponding with the position of working hole one, and described volcanic crater one is arranged on Between exhaust chamber one and work chamber one.So, when valve element is moved to left, sealing ring and volcanic crater end face gluing, sealing make Obtain and do not connected between working hole one and air vent one.When valve element is moved to right, sealing ring is separated with volcanic crater one, working hole one and row Connect between QI KOU one.

Preferably, the right-hand member of the valve pocket is provided with right spacer, the position of air vent two correspondence is provided with described right spacer Exhaust chamber two, the valve pocket is provided with work chamber two corresponding with the position of working hole two, and described volcanic crater four is arranged on Between exhaust chamber two and work chamber two.So, when valve element is moved to left, sealing gasket two is separated with volcanic crater four so that work Connect between mouth two and air vent two.When valve element is moved to right, sealing gasket two and the end face gluing, sealing of volcanic crater four block working hole Air flow between two and air vent two.

Preferably, being provided with the corresponding inlet plenum in air inlet position in the middle part of the valve pocket, described volcanic crater two sets The left end in inlet plenum is put, described volcanic crater three is arranged on the right-hand member of inlet plenum.So, when valve element is moved to left, sealing Circle is separated with volcanic crater two, sealing gasket one and the end face gluing, sealing of volcanic crater three.When valve element is moved to right, sealing ring and volcanic crater two End face gluing, sealing, sealing gasket one is separated with volcanic crater three.

Preferably, the right-hand member of the body is provided with seals fixed bottom with valve pocket, the bottom is provided with can be by valve The valve core reseting spring of core return to the left., in valve element, when push rod is in free state, valve element is in a left side for action of reset spring Position so that volcanic crater one and volcanic crater three are in normally off.When push rod handss external force acts on valve element, valve element overcomes reset Spring effect and move right so that volcanic crater one and volcanic crater three are in open mode.

Preferably, the right-hand member of the valve element is provided with seal receptacle, the seal receptacle is provided with the flange of annular, the sealing Pad one is arranged on the left side of flange, and the sealing gasket two is arranged on the right side of flange.So, when valve element is moved left and right, just may be used To switch the connected state at volcanic crater three and volcanic crater four.

Preferably, the left end of the body is provided with spring housing, being provided with the spring housing can be by push rod return to the left Push rod back-moving spring.

Preferably, the outer ring of the sealing ring be provided with can with volcanic crater one seal coordinate left circle body and can be with volcano The V-shaped arrangement in section of the right circle body that the sealing of mouth two coordinates, the left circle body and right circle body, it is close that the valve element middle part is provided with positioning The annular groove of seal.So, sealing ring can be according to the different sealings realized to its two lateral crater of Impact direction.Because sealing ring cuts The V-shaped structure in face, sealing to volcanic crater can be realized when its is pressurized by self-deformation, and the deformation quantity of sealing ring can be with sealing Pad one or sealing gasket two coordinate so that sealing gasket one or sealing gasket two can also reach the effect of sealing simultaneously.

The beneficial effects of the utility model are：（1）The course of work is reliable and stable, is not easily susceptible to solid impurity in working gas With the impact of moisture, service life greatly improves；（2）Reduce for the requirement of working gas cleannes, be usable in such as powder In the more rugged environment such as dirt；（3）The stroke of valve element shortens, and between sealing and connection more rapid, working gas stream is switched Logical ability is bigger；（4）Action effect is cooperated between sealing ring and sealing gasket preferably, reduce wanting for production precision Ask so that production cost is substantially reduced.

Description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the structural representation of utility model works state.

In figure：Push rod 1, main spring 2, push rod back-moving spring 3, end cap 4, spring housing 4a, left spacer 5, the 5a of volcanic crater one, row Gas chamber 1, body 6, working hole 1, working hole 2 602, air vent 2 603, air inlet 604, air vent 1, The 6a of work chamber one, the 6b of work chamber two, the 6c of volcanic crater three, inlet plenum 6d, the 6e of volcanic crater two, the 6f of volcanic crater four, sealing ring 7, right circle body 7a, left circle body 7b, sealing gasket 1, sealing gasket 29, seal receptacle 10, flange 10a, right spacer 11, exhaust chamber two 111, valve core reseting spring 12, bottom 13, sliding bearing 14, dust ring 15, valve element 16.

Specific embodiment

This utility model is further described with reference to the accompanying drawings and detailed description.

In embodiment as shown in Figure 1, a kind of position-5 way valve of mechanical type two, including body 6, this is provided with vivo valve Chamber, is provided with valve element 16 in valve pocket, valve element can be moved left and right in valve pocket.The downside of body is from left to right sequentially provided with can be with valve pocket The air vent 1 of connection, air inlet 604 and air vent 2 603, are provided with the working hole one that can be connected with valve pocket on the upside of body 601 and working hole 2 602, air vent one, air inlet, air vent two and working hole one, the interlaced arrangement of working hole two.Air vent one The 5a of volcanic crater one is provided with and working hole one between, the 6e of volcanic crater two, air inlet and work are provided between air inlet and working hole one The 6c of volcanic crater three is provided between mouth two, the 6f of volcanic crater four is provided between air vent two and working hole two, the left end of valve element is provided with The sealing ring 7 of sealing state can be switched between volcanic crater end face and volcanic crater biend, the right-hand member of valve element is provided with can be with fire Sealing gasket 1 and end can be provided with the sealing gasket 29 of the end face of volcanic crater four cooperation, the left end of body that the end face of mountain pass three coordinates Lid 4, is provided with the push rod 1 that may act on valve element in end cap, main spring 2, push rod and extraneous effect are provided between push rod and valve element Mechanism connects, so as to be controlled to spool position movement.The left end of body is provided with spring housing 4a, and being provided with spring housing will push up The push rod back-moving spring 3 of bar return to the left.Sliding bearing 14 is provided between push rod and end cap, end cap sets in the outside of sliding bearing There is dust ring 15.The right-hand member of body is provided with and seals fixed bottom 13 with valve pocket, and bottom is provided with can be by valve element return to the left Valve core reseting spring 12.

The left end of valve pocket is provided with left spacer 5, and the corresponding exhaust chamber 1 in the position of air vent one, valve are provided with left spacer Chamber is provided with work chamber one 6a corresponding with the position of working hole one, volcanic crater one be arranged on exhaust chamber one and work chamber one it Between, the opening at volcanic crater one is towards right side.The right-hand member of valve pocket is provided with right spacer 11, and the position of air vent two correspondence is provided with right spacer Exhaust chamber 2 111, valve pocket is provided with work chamber two 6b corresponding with the position of working hole two, and volcanic crater four is arranged on discharge chamber Between room two and work chamber two, the opening at volcanic crater four is towards left side.Be provided with the middle part of valve pocket air inlet position it is corresponding enter Gas chamber 6d, volcanic crater two is arranged on the left end of inlet plenum, the opening at volcanic crater two towards left side, volcanic crater three be arranged on into The right-hand member of gas chamber, the opening at volcanic crater three is towards right side.

Sealing ring is located at work chamber's one kind, and the outer ring of sealing ring is provided with and the left circle body 7b for coordinating can be sealed with volcanic crater one And the right circle body 7a for coordinating can be sealed with volcanic crater two, the V-shaped arrangement in the section of left circle body and right circle body, valve element middle part is provided with The annular groove of positioning seal ring, is provided with a V groove between left circle body and right circle body so that left circle body and right circle body can be to centres Deformation in V grooves.The right-hand member of valve element is provided with seal receptacle 10, and seal receptacle is provided with the flange 10a of annular, and flange is located at work chamber two In, sealing gasket one is arranged on the left side of flange, and sealing gasket two is arranged on the right side of flange.

In actual moving process, during original state, push rod is without external force effect, valve core reseting spring and push rod back-moving spring Effect so that valve element is moved to the left.Now, the left circle body of sealing ring is closed with volcanic crater one, and sealing gasket one is close with volcanic crater three Close, and separate between the right circle body of sealing ring and volcanic crater two, also separate between sealing gasket two and volcanic crater four, therefore volcanic crater Two and volcanic crater four be in connected state, volcanic crater one and volcanic crater three are in cut-off state, now the logical working hole one of air inlet, Working hole two-way air vent two.When push rod is subject to external force effect to move right, as shown in Fig. 2 push rod is by main spring power transmission, Valve element is promoted to move to right, valve core reseting spring and push rod back-moving spring are compressed.Now, the right circle body of sealing ring and volcanic crater two Closed, sealing gasket two is closed with volcanic crater four, and separation between the left circle body of sealing ring and volcanic crater one, sealing gasket one and volcano Also separate between mouth three, volcanic crater one and volcanic crater three are in connected state, and volcanic crater two and volcanic crater four are in cut-off state, Now air inlet leads to working hole two, and working hole one leads to air vent one, so as to realize commutation.When the external force for acting on push rod is cancelled When, valve element resets with deciding on a verdict by spring force, returns to original state.

Claims (8)

1. a kind of position-5 way valve of mechanical type two, including body（6）, the body（6）Inside it is provided with valve pocket and is arranged on valve The valve element of intracavity（16）, it is characterized in that, the body（6）Side be from left to right sequentially provided with the air vent that can be connected with valve pocket One（605）, air inlet（604）With air vent two（603）, body（6）Opposite side be provided with the working hole one that can be connected with valve pocket （601）With working hole two（602）, air vent（605）, air inlet（604）, air vent two（603）With working hole one（601）、 Working hole two（602）Interlaced arrangement, the air vent one（605）With working hole one（601）Between be provided with volcanic crater one（5a）, enter QI KOU（604）With working hole one（601）Between be provided with volcanic crater two（6e）, air inlet（604）With working hole two（602）Between set There is volcanic crater three（6c）, air vent two（603）With working hole two（602）Between be provided with volcanic crater four（6f）, the valve element（16） Left end be provided with can be at volcanic crater one（5a）End face and volcanic crater two（6e）Switch the sealing ring of sealing state between end face （7）, valve element（16）Right-hand member be provided with can be with volcanic crater three（6c）The sealing gasket one that end face coordinates（8）And can be with volcanic crater four （6f）The sealing gasket two that end face coordinates（9）, the body（6）Left end be provided with end cap（4）, end cap（4）Inside it is provided with and may act on Valve element（16）Push rod（1）, push rod（1）And valve element（16）Between be provided with main spring（2）.

2. the position-5 way valve of mechanical type according to claim 1 two, is characterized in that, the left end of the valve pocket be provided with it is left every Set（5）, described left spacer（5）Inside it is provided with air vent one（605）The corresponding exhaust chamber one in position（501）, the valve pocket sets Have and working hole one（601）The corresponding work chamber one in position（6a）, described volcanic crater one（5a）It is arranged on exhaust chamber one （501）With work chamber one（6a）Between.

3. the position-5 way valve of mechanical type according to claim 2 two, is characterized in that, the right-hand member of the valve pocket be provided with it is right every Set（11）, described right spacer（11）Inside it is provided with air vent two（603）The corresponding exhaust chamber two in position（111）, the valve pocket It is provided with and working hole two（602）The corresponding work chamber two in position（6b）, described volcanic crater four（6f）It is arranged on exhaust chamber Two（111）With work chamber two（6b）Between.

4. the position-5 way valve of mechanical type according to claim 3 two, is characterized in that, in the middle part of the valve pocket air inlet is provided with Mouthful（604）The corresponding inlet plenum in position（6d）, described volcanic crater two（6e）It is arranged on inlet plenum（6d）Left end, it is described Volcanic crater three（6c）It is arranged on inlet plenum（6d）Right-hand member.

5. the position-5 way valve of mechanical type two according to claim 1 or 2 or 3 or 4, is characterized in that, the body（6）'s Right-hand member is provided with and seals fixed bottom with valve pocket（13）, the bottom（13）Being provided with can be by valve element（16）The valve element of return to the left Back-moving spring（12）.

6. the position-5 way valve of mechanical type two according to claim 1 or 2 or 3 or 4, is characterized in that, the valve element（16） Right-hand member be provided with seal receptacle（10）, the seal receptacle（10）It is provided with the flange of annular（10a）, the sealing gasket one（8）Arrange In flange（10a）Left side, the sealing gasket two（9）It is arranged on flange（10a）Right side.

7. the position-5 way valve of mechanical type two according to claim 1 or 2 or 3 or 4, is characterized in that, the body（6）'s Left end is provided with spring housing（4a）, the spring housing（4a）In be provided with can be by push rod（1）The push rod back-moving spring of return to the left（3）.

8. the position-5 way valve of mechanical type two according to claim 1 or 2 or 3 or 4, is characterized in that, the sealing ring（7） Be provided with can be with volcanic crater one for outer ring（5a）The left circle body that sealing coordinates（7b）And can be with volcanic crater two（6e）What sealing coordinated Right circle body（7a）, the left circle body（7b）With right circle body（7a）The V-shaped arrangement in section, the valve element（16）Middle part is provided with positioning Sealing ring（7）Annular groove.