CN114811132A

CN114811132A - Valve capable of being automatically triggered to close based on mechanical structure

Info

Publication number: CN114811132A
Application number: CN202210480307.0A
Authority: CN
Inventors: 索蓓
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-07-29

Abstract

The invention provides a valve which is automatically triggered to close based on a mechanical structure, relates to the technical field of valves, and comprises the following components: a main valve body; a flow guide channel is formed in the main valve body, a valve core is connected in the flow guide channel, a knob is arranged at the top end of the valve core, and the knob rotates outside the main valve body; a movable rod is arranged in the main valve body, the bottom of the movable rod is connected with a sealing ring, and the movable rod is connected with the elastic piece A; the main valve body is externally connected with a detachable liquid storage cavity, and a piston is arranged in the detachable liquid storage cavity; the main valve body is externally connected with a movable sleeve. The valve core is driven to rotate by the liquid pressure, so that the pipeline is automatically closed by the valve core, and the threat to equipment connected with the pipeline is avoided. The problem of traditional mechanical type valve in application, when pipeline internal pressure exceeded predetermined numerical value, be difficult to close the pipeline by oneself, easily because of pipeline internal pressure is too big, threatens to the equipment that the pipeline is connected is solved.

Description

Valve capable of being automatically triggered to close based on mechanical structure

Technical Field

The invention relates to the technical field of valves, in particular to a valve capable of being automatically triggered to close based on a mechanical structure.

Background

The valve is a control component in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, and is often required to be arranged on a valve which can be automatically opened or closed under an overpressure working condition in order to protect a pressure pipeline, a pressure container and devices and equipment upstream and downstream of the pressure pipeline and the pressure container.

However, with regard to the current traditional mechanical valve, in the application process, it is single, and the manual mode is generally adopted to control the valve opening and closing, and when the internal pressure of the pipeline exceeds a predetermined value, it is difficult to close the pipeline by oneself, and the internal pressure of the pipeline is too large, which threatens the equipment connected with the pipeline.

Disclosure of Invention

In view of the above, the invention provides a valve automatically triggered to close based on a mechanical structure, which can lift up a movable rod under the influence of high pressure when instantaneous pressure inside a pipeline is too high, so that liquid inside a diversion channel enters a driving cavity through a pressure relief cavity to play a role in pressure relief and protection of the pipeline, and after the liquid enters the driving cavity, the liquid drives an impeller to rotate and drives a valve core to rotate through the impeller, so that the pipeline is closed through the valve core, and the threat to equipment connected with the pipeline is avoided.

The invention provides a valve which is automatically triggered to close based on a mechanical structure, which specifically comprises: a main valve body;

a flow guide channel is formed in the main valve body, a valve core is connected in the flow guide channel, a knob is arranged at the top end of the valve core, and the knob rotates outside the main valve body;

a movable rod is arranged in the main valve body, the bottom of the movable rod is connected with a sealing ring, and the movable rod is connected with the elastic piece A;

the main valve body is externally connected with a detachable liquid storage cavity, and a piston is arranged in the detachable liquid storage cavity;

the main valve body is externally connected with a movable sleeve, and the movable sleeve is in contact with the detachable liquid storage cavity.

Optionally, a pressure relief cavity and a driving cavity are formed in the top of the main valve body, a pressure relief hole is formed in the bottom of the pressure relief cavity, the bottom of the pressure relief hole is communicated with the flow guide channel, a liquid inlet inner pipe is formed in the left side of the driving cavity and is communicated with the pressure relief cavity, a liquid discharge outer pipe is arranged on the outer side of the main valve body and is communicated with the driving cavity.

Optionally, the movable rod is slidably connected inside the pressure release cavity, the bottom of the sealing ring is attached to the top side of the pressure release hole, the elastic part A is sleeved outside the movable rod, and the top end of the elastic part A is attached to the inner side of the top of the pressure release cavity.

Optionally, the valve core rotates in the diversion channel, the rotation angle of the valve core is 0-90 degrees, a through hole is formed in the valve core and communicated with the diversion channel, an impeller is arranged at the top of the valve core, and the impeller rotates in the driving cavity.

Optionally, the liquid inlet end of the detachable liquid storage cavity is inserted into the liquid discharge outer tube, the piston is slidably connected in the detachable liquid storage cavity, a push rod is arranged at the bottom of the piston, and the push rod penetrates through the detachable liquid storage cavity.

Optionally, the outer liquid discharge pipe is provided with two clamping holes at two ends, and the liquid inlet end of the detachable liquid storage cavity is provided with two clamping hooks which are clamped in the clamping holes.

Optionally, the movable sleeve is slidably sleeved outside the liquid discharge outer tube, and the outer side of the movable sleeve is respectively contacted with the inner sides of the two hooks.

Optionally, an elastic member B is sleeved outside the liquid discharge outer tube, one end of the elastic member B is in contact with the movable sleeve, and the other end of the elastic member B is in contact with the liquid discharge outer tube.

Advantageous effects

According to the valve capable of being automatically triggered to close based on the mechanical structure, compared with the traditional mechanical valve, the valve can be lifted upwards under the influence of high pressure when the instantaneous pressure in the pipeline is too high, liquid in the diversion channel enters the driving cavity through the pressure relief cavity to achieve the effect of pressure relief protection on the pipeline, and after the liquid enters the driving cavity, the liquid drives the impeller to rotate, the valve core is driven to rotate through the impeller, so that the pipeline is closed through the valve core, and the threat to equipment connected with the pipeline is avoided.

In addition, through the arrangement of the detachable liquid storage cavity and the piston, liquid in the driving cavity continuously flows into the detachable liquid storage cavity through the liquid discharge outer tube, a liquid collection effect is achieved, the piston in the detachable liquid storage cavity gradually moves downwards under the influence of liquid thrust, the rotation continuity of the impeller is guaranteed, the valve core can rotate to a 90-degree closed state, and the protection effect of equipment is further guaranteed; and the mode of connecting through the block is in the same place removable stock solution cavity and main valve body coupling, makes removable stock solution cavity dismouting more simple and convenient to when removable stock solution cavity inside liquid full volume, dismantle removable stock solution cavity, to the inside liquid drain of removable stock solution cavity, the piston restores to the original position, to equipment protective effect when the guarantee next time is high-pressure.

In addition, through the setting of activity sleeve and elastic component B, treat that removable stock solution cavity and main valve body joint back together, the activity sleeve receives the influence of elastic component B thrust to transfer, makes the activity sleeve paste with two pothook insides respectively, supports the pothook inboard through the activity sleeve, prevents the inside bending of pothook, ensures the fastness of being connected of removable stock solution cavity and main valve body joint position.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.

In the drawings:

FIG. 1 shows a schematic axial side view of an embodiment according to the invention;

FIG. 2 illustrates another angular axis-side structural schematic according to an embodiment of the present invention;

FIG. 3 is a schematic diagram illustrating a structure of a main valve body and a detachable liquid storage cavity according to an embodiment of the invention;

FIG. 4 illustrates a schematic view of a main valve body internal movable stem and poppet mounting arrangement according to an embodiment of the present invention;

FIG. 5 shows a schematic cross-sectional view of a main valve body according to an embodiment of the invention;

FIG. 6 is a schematic view of a split structure of the movable rod and the sealing ring according to an embodiment of the invention;

FIG. 7 shows a schematic spool side construction according to an embodiment of the present invention;

FIG. 8 illustrates a schematic diagram of an isometric configuration of a removable reservoir chamber, according to an embodiment of the invention;

FIG. 9 is a schematic cross-sectional view of a removable reservoir chamber according to an embodiment of the invention;

fig. 10 is a schematic cross-sectional view illustrating a main valve body and a reservoir clamping connection portion according to an embodiment of the invention.

List of reference numerals

1. A main valve body; 101. a flow guide channel; 102. a pressure relief cavity; 1021. a pressure relief vent; 103. a drive chamber; 1031. an inner liquid inlet pipe; 104. a liquid discharge outer tube; 1041. a clamping hole; 2. a movable rod; 3. a seal ring; 4. an elastic member A; 5. a valve core; 501. a through hole; 502. an impeller; 503. a knob; 6. a detachable liquid storage cavity; 601. a hook; 7. a piston; 701. a push rod; 8. a movable sleeve; 9. and an elastic member B.

Detailed Description

In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.

The first embodiment is as follows:

please refer to fig. 1 to 10:

the invention provides a valve capable of being automatically triggered to close based on a mechanical structure, which comprises: a main valve body 1; a flow guide channel 101 is formed in the main valve body 1, a valve core 5 is connected in the flow guide channel 101, a knob 503 is arranged at the top end of the valve core 5, and the knob 503 rotates outside the main valve body 1; a pressure relief cavity 102 and a driving cavity 103 are formed in the top of the main valve body 1, a pressure relief hole 1021 is formed in the bottom of the pressure relief cavity 102, the bottom of the pressure relief hole 1021 is communicated with the flow guide channel 101, a liquid inlet inner pipe 1031 is formed in the left side of the driving cavity 103, the liquid inlet inner pipe 1031 is communicated with the pressure relief cavity 102, a liquid discharge outer pipe 104 is arranged on the outer side of the main valve body 1, and the liquid discharge outer pipe 104 is communicated with the driving cavity 103; a movable rod 2 is arranged in the main valve body 1, the bottom of the movable rod 2 is connected with a sealing ring 3, and the movable rod 2 is connected with an elastic piece A4; the external part of the main valve body 1 is connected with a detachable liquid storage cavity 6, and a piston 7 is arranged in the detachable liquid storage cavity 6; the main valve body 1 external connection has movable sleeve 8, and movable sleeve 8 contacts with removable stock solution cavity 6.

In addition, according to the embodiment of the present invention, the movable rod 2 is slidably connected inside the pressure relief cavity 102, the bottom of the sealing ring 3 is attached to the top side of the pressure relief hole 1021, the outer portion of the movable rod 2 is sleeved with the elastic member a4, and the top end of the elastic member a4 is attached to the inner side of the top of the pressure relief cavity 102;

by adopting the technical scheme, when the instantaneous pressure in the pipeline is too high, the movable rod 2 is upwards jacked under the influence of high pressure, and liquid in the diversion channel 101 enters the driving cavity 103 through the pressure relief cavity 102, so that the pressure relief protection effect on the pipeline is achieved.

In addition, according to the embodiment of the invention, the valve core 5 rotates in the flow guide channel 101, the rotation angle of the valve core 5 is 0-90 degrees, a through hole 501 is formed in the valve core 5, the through hole 501 is communicated with the flow guide channel 101, the top of the valve core 5 is provided with an impeller 502, and the impeller 502 rotates in the driving cavity 103;

by adopting the technical scheme, when liquid enters the driving cavity 103, the liquid drives the impeller 502 to rotate, and the impeller 502 drives the valve core 5 to rotate, so that the pipeline is closed through the valve core 5, and the threat to the equipment connected with the pipeline is avoided.

In addition, according to the embodiment of the present invention, the outer two ends of the liquid discharge outer tube 104 are respectively provided with a clamping hole 1041, the liquid inlet end of the detachable liquid storage cavity 6 is provided with two clamping hooks 601, and the clamping hooks 601 are clamped in the clamping holes 1041;

adopt above-mentioned technical scheme, the mode of connecting through the block links together removable stock solution cavity 6 with main valve body 1, makes the dismouting of removable stock solution cavity 6 more simple and convenient to when the full volume of the inside liquid of removable stock solution cavity 6, dismantle removable stock solution cavity 6, to the inside liquid drain of removable stock solution cavity 6, piston 7 normal position that resumes, to equipment protective effect when the guarantee next time is high-pressure.

Example two:

the liquid inlet end of the detachable liquid storage cavity 6 is inserted into the liquid discharge outer pipe 104, the piston 7 is connected into the detachable liquid storage cavity 6 in a sliding manner, the bottom of the piston 7 is provided with a push rod 701, and the push rod 701 penetrates through the detachable liquid storage cavity 6;

adopt above-mentioned technical scheme, the inside liquid of drive chamber 103 continues to flow into removable stock solution cavity 6 through flowing back outer tube 104 in, plays to liquid collection effect, and the inside piston 7 of removable stock solution cavity 6 is influenced by liquid thrust and progressively moves down, and guarantee impeller 502 pivoted continuity makes case 5 rotate to 90 closed condition, and then ensures equipment protective effect.

Example three:

the movable sleeve 8 is slidably sleeved on the outer side of the liquid discharge outer tube 104, the outer side of the movable sleeve 8 is respectively contacted with the inner sides of the two hooks 601, the outer side of the liquid discharge outer tube 104 is sleeved with an elastic piece B9, one end of the elastic piece B9 is contacted with the movable sleeve 8, and the other end of the elastic piece B9 is contacted with the liquid discharge outer tube 104;

adopt above-mentioned technical scheme, treat that removable stock solution cavity 6 and the main valve body 1 joint back together, movable sleeve 8 receives elastic component B9 thrust influence to transfer, makes movable sleeve 8 paste with two pothook 601 insides respectively, supports pothook 601 inboard through movable sleeve 8, prevents pothook 601 incurvation, ensures the fastness that removable stock solution cavity 6 and the main valve body 1 joint position are connected.

The specific use mode and function of the embodiment are as follows: when the detachable liquid storage cavity is used, the clamping hook 601 is clamped in the clamping hole 1041, and the detachable liquid storage cavity 6 is connected with the main valve body 1 in a clamping connection mode, so that the detachable liquid storage cavity 6 is more convenient to disassemble and assemble; after the detachable liquid storage cavity 6 and the main valve body 1 are clamped together, the movable sleeve 8 is moved under the thrust of the elastic piece B9, so that the movable sleeve 8 is respectively attached to the inner sides of the two hooks 601, the inner sides of the hooks 601 are supported by the movable sleeve 8, the hooks 601 are prevented from bending inwards, and the connection firmness of the clamping part of the detachable liquid storage cavity 6 and the main valve body 1 is ensured; when the instantaneous pressure in the pipeline is too high, the movable rod 2 is lifted upwards under the influence of high pressure, and liquid in the flow guide channel 101 enters the driving cavity 103 through the pressure relief cavity 102, so that the pressure relief protection effect on the pipeline is achieved; after liquid enters the driving cavity 103, the impeller 502 is driven to rotate, and the valve core 5 is driven to rotate by the impeller 502, so that the pipeline is closed by the valve core 5, and the threat to the equipment connected with the pipeline is avoided; liquid in the driving cavity 103 continuously flows into the detachable liquid storage cavity 6 through the liquid discharge outer tube 104 to achieve a liquid collecting effect, the piston 7 in the detachable liquid storage cavity 6 gradually moves downwards under the influence of liquid thrust, the rotating continuity of the impeller 502 is guaranteed, the valve core 5 can rotate to a 90-degree closed state, and the protection effect of equipment is further guaranteed; when the inside liquid of removable stock solution cavity 6 is full, remove movable sleeve 8 in the opposite direction, make movable sleeve 8 and pothook 601 separation, can inwards press pothook 601, dismantle removable stock solution cavity 6, promote push rod 701, make piston 7 resume the normal position, to the inside liquid of removable stock solution cavity 6 clean, to equipment protective effect when the guarantee next time is high pressure.

Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.

The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.

Claims

1. Valve based on mechanical structure automatic triggering is closed, its characterized in that includes: a main valve body (1); a flow guide channel (101) is formed in the main valve body (1), a valve core (5) is connected in the flow guide channel (101), a knob (503) is arranged at the top end of the valve core (5), and the knob (503) rotates outside the main valve body (1); a movable rod (2) is arranged in the main valve body (1), the bottom of the movable rod (2) is connected with a sealing ring (3), and the movable rod (2) is connected with an elastic piece A (4); the main valve body (1) is externally connected with a detachable liquid storage cavity (6), and a piston (7) is arranged in the detachable liquid storage cavity (6); the main valve body (1) is externally connected with a movable sleeve (8), and the movable sleeve (8) is in contact with the detachable liquid storage cavity (6).

2. The mechanically self-activated shut-off valve of claim 1 further comprising: the main valve body (1) has set up in the top and let out pressure chamber (102) and drive chamber (103), and let out pressure hole (1021) have been seted up to let out pressure chamber (102) bottom, and let out pressure hole (1021) bottom is linked together with water conservancy diversion passageway (101), and feed liquor inner tube (1031) have been seted up on drive chamber (103) left side, and feed liquor inner tube (1031) are linked together with let out pressure chamber (102), and the main valve body (1) outside is equipped with flowing back outer tube (104), and flowing back outer tube (104) are linked together with drive chamber (103).

3. The mechanically self-activated shut-off valve of claim 2 wherein: the movable rod (2) is connected inside the pressure relief cavity (102) in a sliding mode, the bottom of the sealing ring (3) is attached to the top side of the pressure relief hole (1021), the elastic piece A (4) is sleeved outside the movable rod (2), and the top end of the elastic piece A (4) is attached to the inner side of the top of the pressure relief cavity (102).

4. The mechanically self-activated shut-off valve of claim 2 wherein: the valve core (5) rotates in the flow guide channel (101), the rotation angle of the valve core (5) is 0-90 degrees, a through hole (501) is formed in the valve core (5), the through hole (501) is communicated with the flow guide channel (101), an impeller (502) is arranged at the top of the valve core (5), and the impeller (502) rotates in the driving cavity (103).

5. The mechanically self-activated shut-off valve of claim 2 wherein: the liquid inlet end of the detachable liquid storage cavity (6) is inserted into the liquid discharge outer pipe (104), the piston (7) is connected into the detachable liquid storage cavity (6) in a sliding mode, the bottom of the piston (7) is provided with a push rod (701), and the push rod (701) is connected into the detachable liquid storage cavity (6) in a penetrating mode.

6. The mechanically self-activated shut-off valve of claim 5 wherein: the liquid outlet device is characterized in that clamping holes (1041) are respectively formed in two ends of the outer part of the liquid outlet outer pipe (104), two clamping hooks (601) are arranged at the liquid inlet end of the detachable liquid storage cavity (6), and the clamping hooks (601) are clamped in the clamping holes (1041).

7. The mechanically self-activated shut-off valve of claim 6 wherein: the movable sleeve (8) is sleeved on the outer side of the liquid discharge outer pipe (104) in a sliding mode, and the outer side of the movable sleeve (8) is respectively contacted with the inner sides of the two clamping hooks (601).

8. The mechanically self-activated shut-off valve of claim 7 wherein: the outer side of the liquid discharge outer pipe (104) is sleeved with an elastic part B (9), one end of the elastic part B (9) is in contact with the movable sleeve (8), and the other end of the elastic part B (9) is in contact with the liquid discharge outer pipe (104).