CN217977382U - Switch valve and switch mechanism - Google Patents

Abstract

The utility model relates to a ooff valve and on-off mechanism relates to ooff valve technical field, and the ooff valve includes first disk seat, a seal assembly and first driving piece. The utility model provides a switch valve is through setting up spare parts such as first disk seat, first seal assembly and first driving piece, switch valve have two sealed closed positions in other words, and through the cooperation effect in coordination of above-mentioned concrete structure, make the utility model discloses a switch valve leakproofness is better, seals more stably, can not reveal. The utility model provides a switching mechanism is through setting up first valve body, second valve body and tee bend, accessible first valve body and second valve body simultaneously or respectively to the tee bend feed to satisfy different application scenes, and because the sealing performance of first valve body and second valve body is good, makes the utility model discloses a switching mechanism leakproofness is better, seals more stably, can not reveal.

Description

Switch valve and switch mechanism

Technical Field

The utility model relates to a ooff valve technical field especially relates to a ooff valve and on-off mechanism.

Background

Valve-type switches, such as faucets, pressure cooker valves, etc., such switches that function as a stop are called on-off valves; the pneumatic switch valve and the electric switch valve are mainly arranged in the prior art, and structurally, the pneumatic switch valve and the electric switch valve are not different in valve body, and the main difference is that the pushing force for pushing the sliding block in the valve body to change the valve position is different. The pneumatic switch valve is characterized in that control air in an air passage (pipe) is sent to an operating cylinder in the valve to push a piston to move so as to drive a sliding block to change the valve position of a valve body; the electric switch valve generates electromagnetic attraction force through the spiral coil to drive the sliding block to change the valve position of the valve body.

Patent CN216044707U discloses an electromagnetic switch valve, and the main advantages of the technical solution of the utility model are: the valve rod can be the plastics material, and the lower extreme is equipped with sealed sphere, and the disk seat is the metal material, and disk seat center through-hole is equipped with sealed conical surface, and the sealed sphere of valve rod forms the sealed pair of line contact with the sealed conical surface of disk seat, easily realizes sealedly, according to field of technology personnel to this technical scheme's popular understanding, this utility model technical scheme mainly by the cooperation decision of sealed sphere and sealed conical surface to its self sealing performance.

However, among the above-mentioned technical scheme, after sealed inefficacy appears in sealed sphere and sealed conical surface, the ooff valve is also sealed inefficacy yet, leads to ooff valve closed unstability, reveals easily, for this reason, the utility model provides a ooff valve and on-off mechanism.

SUMMERY OF THE UTILITY MODEL

To prior art's situation, the utility model provides a ooff valve and on-off mechanism can effectively solve among the prior art when sealed sphere and sealed conical surface appear sealed the back that became invalid, the ooff valve just also sealed the inefficacy, leads to ooff valve closed unstability, the problem of revealing easily.

The utility model discloses a following technical scheme realizes:

the utility model provides a switch valve, including first valve body, first valve body includes:

the first valve seat is internally provided with a first communicating channel, a first feeding channel and a first discharging channel, wherein the first feeding channel and the first discharging channel are respectively communicated with the first communicating channel.

First seal assembly, first seal assembly sliding seal locates first intercommunication passageway, first seal assembly is to being close to the direction that first feedstock channel removed is first direction, first direction with contained angle between first discharging channel's the direction of feed is the obtuse angle, first seal assembly has with the initial stroke position of first feedstock channel and first discharging channel intercommunication and with the maximum stroke position of first feedstock channel and first discharging channel shutoff simultaneously.

A first driver for driving the first seal assembly to move within the first communication channel.

Further, the openings of the first feeding channel and the first discharging channel in the first communicating channel are at the same height.

Further, the included angle between the first direction and the feeding direction of the first discharging channel is 120-150 degrees.

Furthermore, first inlet channel and first discharge channel all are cylindric class.

Furthermore, first seal assembly includes first support piece and first sealing member, first support piece is fixed to be located first disk seat, the one end of first sealing member slides and locates first support piece, other end sliding seal locate first intercommunication passageway, first driving piece is used for driving first sealing member is in move in the first intercommunication passageway.

Furthermore, the first support piece comprises a first end cover fixedly connected with the first valve seat and a second end cover connected with the first end cover, a first driving space is formed between the first end cover and the second end cover, one end of the first sealing piece is slidably arranged in the first driving space, and the other end of the first sealing piece is slidably and hermetically arranged in the first communicating channel.

Further, first sealing member includes sliding block, sliding sleeve, slide bar and sealing washer, the sliding block slides and locates first drive space, just correspond between first end cover and the first disk seat first intercommunication passageway is formed with the joint groove, the sliding sleeve set firmly in the joint groove, the slide bar slides and wears to locate the sliding sleeve, the one end of slide bar with sliding block fixed connection, the other end with sealing washer fixed connection, first driving piece is used for the drive the slide bar removes, so that drives the sealing washer removes and makes it have initial stroke position and maximum stroke position.

The utility model also provides a switching mechanism, including above-mentioned arbitrary ooff valve.

Further, the switch mechanism still includes second valve body and tee bend, the second valve body includes:

the second valve seat, inside second intercommunication passageway, with second feed channel and the second discharging channel that second intercommunication passageway communicates respectively seted up of second valve seat, the extending direction of second feed channel is the same with the extending direction of second intercommunication passageway or opposite, the contained angle is the acute angle between the extending direction of second discharging channel and the extending direction of second intercommunication passageway.

The second sealing assembly is arranged on the second communicating channel in a sliding sealing mode and has a first state for communicating the second feeding channel with the second discharging channel and a second state for simultaneously plugging the second feeding channel and the second discharging channel.

A second driver for driving the second seal assembly to move within the second communication channel.

The first connector of the tee is communicated with the first discharging channel, the second connector of the tee is communicated with the second discharging channel, and the third connector of the tee is used for discharging.

Further, the second sealing assembly has the same structure as the first sealing assembly.

Compared with the prior art, the utility model, have following advantage and beneficial effect:

the utility model provides a switch valve is through setting up spare parts such as first disk seat, first seal assembly and first driving piece, switch valve have two sealed closed positions in other words, and through the cooperation effect in coordination of above-mentioned concrete structure, make the utility model discloses a switch valve leakproofness is better, seals more stably, can not reveal.

The utility model provides a switching mechanism is through setting up first valve body, second valve body and tee bend, accessible first valve body and second valve body simultaneously or respectively to the tee bend feed to satisfy different application scenes, and because the sealing performance of first valve body and second valve body is good, makes the utility model discloses a switching mechanism leakproofness is better, seals more stably, can not reveal.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of a switching valve provided by the present invention;

FIG. 2 is a schematic front view of the structure shown in FIG. 1;

FIG. 3 isbase:Sub>A schematic cross-sectional view taken along the line A-A in FIG. 2;

FIG. 4 is a left side view schematic of the structure of FIG. 1;

FIG. 5 is a schematic cross-sectional view taken along the line B-B in FIG. 4;

fig. 6 is a schematic perspective view of an embodiment of a switch mechanism provided in the present invention;

FIG. 7 is a schematic front view of the structure shown in FIG. 6;

fig. 8 is a schematic cross-sectional view along the direction D-D in fig. 7.

Reference numerals: 1. a first valve body; 11. a first valve seat; 111. a first communicating passage; 112. a first feed channel; 113. a first discharge channel; 12. a first seal assembly; 121. a first support member; 1211. a first end cap; 12111. a first driving space; 1212. a second end cap; 122. a first seal member; 1221. a slider; 1222. a sliding sleeve; 1223. a slide bar; 1224. a seal ring; 2. a second valve body; 21. a second valve seat; 211. a second communicating passage; 212. a second feed channel; 213. a second discharge channel; 22. a second seal assembly; 3. and a tee joint.

Detailed Description

The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part of this application and are used for illustration purposes and not for limitation of the invention.

As shown in fig. 1 to 8, an on-off valve includes a first valve body 1, the first valve body 1 including:

the valve seat comprises a first valve seat 11, wherein a first communication channel 111, a first feeding channel 112 and a first discharging channel 113 are formed in the first valve seat 11 and are respectively communicated with the first communication channel 111.

First seal assembly 12, first seal assembly 12 sliding seal locates first intercommunication passageway 111, first seal assembly 12 is to being close to the direction that first feedstock channel 112 removed is first direction, first direction with contained angle between first discharging channel 113's the direction of feed is the obtuse angle, first seal assembly 12 has with the initial stroke position of first feedstock channel 112 and first discharging channel 113 intercommunication and with the maximum stroke position of first feedstock channel 112 and first discharging channel 113 shutoff simultaneously.

A first driving member for driving the first sealing assembly 12 to move in the first communicating channel 111.

Wherein the first driving member can drive the first sealing assembly 12 from the initial stroke position to the maximum stroke position, when the first sealing assembly 12 is located at the maximum stroke position, the first sealing assembly 12 can not move along the first direction any more, and in practical application, the maximum stroke position of the first sealing assembly 12 can also be controlled by the structure of the first valve seat 11.

In current patent document CN216044707U, because the feed inlet and the discharge gate of ooff valve only seal through a sealed position, after sealed inefficacy appears in sealed sphere and sealed conical surface, the ooff valve also sealed inefficacy, the condition that causes above-mentioned sealed inefficacy has a lot, for example, when the pressure of sealed feed liquid is great, the condition of leaking the material will appear, this patent document only has a sealed defect's an example among the prior art, the form of this kind of sealed inefficacy still is more common among the prior art, therefore, the utility model provides a ooff valve and ooff mechanism can effectively solve above-mentioned technical problem.

The utility model provides a switch valve is through setting up spare parts such as first disk seat 11, first seal assembly 12 and first driving piece work as first seal assembly 12 department is when the biggest stroke position, first seal assembly 12 can with first feedstock channel 112 and the shutoff of first discharging channel 113 are simultaneously, because first direction with contained angle between first discharging channel 113's the direction of feed is the obtuse angle, carries out the concrete analysis with the structure that fig. 3 shows:

when the pressure of the entering feed liquid is large, the first sealing component 12 is subjected to downward oblique extrusion force and deforms greatly, then the feed liquid may enter the first communication channel 111 located below, and since the first discharge channel 113 is sealed and blocked by the first sealing component 12, and the first sealing component 12 cannot move along the first direction any more, the feed liquid only holds and presses the first sealing component 12 tightly, the sealing condition of the first discharge channel 113 is good all the time, and the switch valve cannot be sealed and fail;

to sum up, the utility model discloses a switching valve has two sealed closed positions in other words, and through the above-mentioned cooperation effect of concrete structure, makes the utility model discloses a switching valve leakproofness is better, seals more stably, can not reveal.

Especially, when the feed liquid pressure that gets into is not very big, first seal assembly 12 receives oblique decurrent extrusion force and takes place less deformation, this moment first seal assembly 12 and first feedstock channel 112 shutoff are good, and the feed liquid can not get into and be located the below in first communicating channel 111, consequently, based on the utility model discloses the good sealing performance of ooff valve is fit for popularizing and applying.

Wherein, the contained angle between the first direction with first discharging channel 113's the feed direction can design according to actual conditions, just first feeding channel 112 and first discharging channel 113's cross-sectional dimension also can design according to actual conditions, and first seal assembly 12 then involves concrete design and calculates with first communicating channel 111's sliding seal, and in the practical application, through the size selection to above-mentioned different technical characteristics and the selection of different part specifications, also can increase the confining pressure of ooff valve to practical application is convenient for.

Wherein the first drive is preferably a pneumatic drive.

In order to stabilize the closing of the on-off valve, the openings of the first feed channel 112 and the first discharge channel 113 in the first communication channel 111 are at the same height. The design enables the first sealing assembly 12 to accurately and stably communicate or block the first feeding channel 112 and the first discharging channel 113 when switching back and forth between the initial stroke position or the maximum stroke position, so that the closing of the switch valve is more stable when the first sealing assembly 12 is at the maximum stroke position.

In order to facilitate the production and manufacture of the switch valve, the included angle between the first direction and the feeding direction of the first discharging channel 113 is 120-150 °. The first feed channel 112 and the first discharge channel 113 are both cylindrical-like. In practical application, regular machining dimension and shape are generally processed better at the processing center and come out, consequently, design like this and make on the one hand the utility model discloses a switching valve leakproofness is better, seals more stably, can not reveal, and on the other hand also makes the utility model discloses a switching valve is manufactured comparatively conveniently, can practice thrift manufacturing cost, convenient to popularize and apply.

In order to improve the closing stability of the switching valve, the first sealing assembly 12 includes a first supporting member 121 and a first sealing member 122, the first supporting member 121 is fixedly disposed on the first valve seat 11, one end of the first sealing member 122 is slidably disposed on the first supporting member 121, the other end of the first sealing member 122 is slidably and sealingly disposed on the first communicating passage 111, and the first driving member is configured to drive the first sealing member 122 to move in the first communicating passage 111. The first supporter 121 includes a first end cap 1211 fixedly connected to the first valve seat 11, and a second end cap 1212 connected to the first end cap 1211, wherein a first driving space 12111 is formed between the first end cap 1211 and the second end cap 1212, one end of the first sealing member 122 is slidably disposed in the first driving space 12111, and the other end of the first sealing member is slidably and sealingly disposed in the first communicating channel 111. The first supporting member 121 is arranged to enable the first sealing member 122 to move more stably under the driving action of the first driving member, so that the first sealing member 122 can be switched between the initial stroke position and the maximum stroke position stably, the stability of sliding sealing connection between the first sealing assembly 12 and the first communicating channel 111 can be ensured, and the first feeding channel 112 and the first discharging channel 113 can be accurately and stably communicated or blocked, so that the closing stability of the switch valve can be improved.

In order to further improve the closing stability of the on-off valve, the first sealing member 122 includes a sliding block 1221, a sliding sleeve 1222, a sliding rod 1223 and a sealing ring 1224, the sliding block 1221 is slidably disposed in the first driving space 12111, a clamping groove is formed between the first end cap 1211 and the first valve seat 11 and corresponding to the first communication channel 111, the sliding sleeve 1222 is fixedly disposed in the clamping groove, the sliding rod 1223 is slidably disposed through the sliding sleeve 1222, one end of the sliding rod 1223 is fixedly connected to the sliding block 1221, the other end of the sliding rod 1223 is fixedly connected to the sealing ring 1224, and the first driving member is configured to drive the sliding block 1221 to move, so as to drive the sealing ring 1224 to move and make it have the initial stroke position and the maximum stroke position. In practical application, the first driving member may be a pneumatic driving member, the sliding block 1221 is a piston, the sliding sleeve 1222 is a copper sleeve, and the sliding rod 1223 is a piston rod, the piston rod and the sealing ring 1224 can be pushed by the pneumatic driving member to move together, so that the sealing ring 1224 connects or blocks the first feeding channel 112 and the first discharging channel 113, and by providing the copper sleeve, the movement of the piston rod can be guided, so that the movement direction of the piston rod under the dual guiding action of the piston and the piston rod is more accurate, the position of the sealing ring 1224 is accurately switched, and the first feeding channel 112 and the first discharging channel 113 are further accurately and stably connected or blocked, so as to improve the closing stability of the on-off valve.

A switch mechanism comprising the switch valve of any one of the embodiments described above.

The utility model also provides a switching mechanism, it includes foretell ooff valve, among the practical application, because the ooff valve has two sealed positions of sealing in other words, makes the utility model discloses a switching mechanism leakproofness is better, seals more stably, can not reveal.

In order to make the switch mechanism easy to use and more widely applicable, the switch mechanism further comprises a second valve body 2 and a tee 3, wherein the second valve body 2 comprises:

the second valve seat 21, second intercommunication passageway 211, with second feed channel 212 and second discharging channel 213 that second intercommunication passageway 211 communicates respectively have been seted up to second valve seat 21 inside, the extending direction of second feed channel 212 is the same with or opposite with the extending direction of second intercommunication passageway 211, the contained angle is the acute angle between the extending direction of second discharging channel 213 and the extending direction of second intercommunication passageway 211.

And the second sealing assembly 22 is arranged on the second communication channel 211 in a sliding and sealing mode, and the second sealing assembly 22 has a first state of communicating the second feeding channel 212 with the second discharging channel 213 and a second state of simultaneously sealing the second feeding channel 212 and the second discharging channel 213.

A second driving member for driving the second sealing assembly 22 to move in the second communication channel 211;

the first interface of the tee joint 3 is communicated with the first discharging channel 113, the second interface of the tee joint 3 is communicated with the second discharging channel 213, and the third interface of the tee joint 3 is used for discharging.

The second seal assembly 22 is identical in construction to the first seal assembly 12.

Wherein the second drive is preferably a pneumatic drive.

The utility model provides a switching mechanism is through setting up first valve body 1, second valve body 2 and tee bend 3, accessible first valve body 1 and second valve body 2 simultaneously or respectively to the 3 feeds of tee bend to satisfy different application scenes, and because first valve body 1 and second valve body 2's sealed sealing performance is good, makes the utility model discloses a switching mechanism leakproofness is better, seals more stably, can not reveal.

In another preferred embodiment, the second valve body 2 can be replaced by the same structure as the first valve body 1, and the switching mechanism is equivalent to two first valves and a three-way valve 3, so as to be used in different application scenes.

Compared with the prior art, the utility model provides a ooff valve and on-off mechanism has following beneficial effect:

the utility model provides a switch valve is through setting up spare parts such as first disk seat 11, first seal assembly 12 and first driving piece, switch valve have two sealed closed positions in other words, and through the cooperation effect in coordination of above-mentioned concrete structure, make the utility model discloses a switch valve leakproofness is better, seals more stably, can not reveal.

The utility model provides a switching mechanism is through setting up first valve body 1, second valve body 2 and tee bend 3, accessible first valve body 1 and second valve body 2 simultaneously or respectively to the tee bend 3 feeds to satisfy different application scenes, and because the sealed sealing performance of first valve body 1 and second valve body 2 is good, makes the utility model discloses a switching mechanism leakproofness is better, seals more stably, can not reveal.

The above is only the preferred embodiment of the present invention, it is not right the limitation of the present invention in any form, all the basis the present invention discloses any simple modification, equivalent change of the technical entity to the above embodiments all fall into the protection scope of the present invention.

Claims (10)

1. An on-off valve, comprising a first valve body, the first valve body comprising:

the first valve seat is internally provided with a first communicating channel, a first feeding channel and a first discharging channel which are respectively communicated with the first communicating channel;

the first sealing assembly is arranged in the first communicating channel in a sliding and sealing mode, the moving direction of the first sealing assembly close to the first feeding channel is a first direction, an included angle between the first direction and the feeding direction of the first discharging channel is an obtuse angle, and the first sealing assembly is provided with an initial stroke position for communicating the first feeding channel with the first discharging channel and a maximum stroke position for simultaneously sealing the first feeding channel and the first discharging channel;

a first drive member for driving the first seal assembly to move within the first communication channel.

2. The switching valve of claim 1, wherein the openings of the first feed channel and the first discharge channel in the first communication channel are at the same height.

3. The switch valve according to claim 2, wherein the angle between the first direction and the feeding direction of the first discharging channel is 120 ° to 150 °.

4. The switching valve of claim 3 wherein the first inlet passage and the first outlet passage are each cylindrical-like.

5. The switch valve according to any one of claims 1 to 4, wherein the first sealing assembly comprises a first supporting member and a first sealing member, the first supporting member is fixedly disposed on the first valve seat, one end of the first sealing member is slidably disposed on the first supporting member, the other end of the first sealing member is slidably disposed on the first communicating channel in a sealing manner, and the first driving member is configured to drive the first sealing member to move in the first communicating channel.

6. The switch valve according to claim 5, wherein the first support comprises a first end cap fixedly connected to the first valve seat, and a second end cap connected to the first end cap, a first driving space is formed between the first end cap and the second end cap, one end of the first sealing member is slidably disposed in the first driving space, and the other end of the first sealing member is slidably and sealingly disposed in the first communicating passage.

7. The switch valve of claim 6, wherein the first sealing element comprises a sliding block, a sliding sleeve, a sliding rod and a sealing ring, the sliding block is slidably disposed in the first driving space, a clamping groove is formed between the first end cover and the first valve seat and corresponding to the first communication channel, the sliding sleeve is fixedly disposed in the clamping groove, the sliding rod is slidably disposed through the sliding sleeve, one end of the sliding rod is fixedly connected to the sliding block, the other end of the sliding rod is fixedly connected to the sealing ring, and the first driving element is configured to drive the sliding block to move, so as to drive the sealing ring to move and enable the sealing ring to have the initial stroke position and the maximum stroke position.

8. A switch mechanism characterized by comprising the switch valve according to any one of claims 1 to 7.

9. The switch mechanism of claim 8, further comprising a second valve body and a tee, the second valve body comprising:

the second valve seat is internally provided with a second communicating channel, a second feeding channel and a second discharging channel which are respectively communicated with the second communicating channel, the extending direction of the second feeding channel is the same as or opposite to that of the second communicating channel, and an included angle between the extending direction of the second discharging channel and the extending direction of the second communicating channel is an acute angle;

the second sealing assembly is arranged on the second communicating channel in a sliding and sealing mode and has a first state for communicating the second feeding channel with the second discharging channel and a second state for simultaneously plugging the second feeding channel and the second discharging channel;

a second driver for driving the second seal assembly to move within the second communication channel;

the first connector of the tee is communicated with the first discharging channel, the second connector of the tee is communicated with the second discharging channel, and the third connector of the tee is used for discharging.

10. The switch mechanism of claim 9, wherein the second seal assembly is identical in construction to the first seal assembly.

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