CN220082232U

CN220082232U - Stop valve and inflation system

Info

Publication number: CN220082232U
Application number: CN202321053482.8U
Authority: CN
Inventors: 杨斌; 赵璐; 李伊冉; 李延照
Original assignee: Qingdao Shinkwang Boat Co ltd
Current assignee: Qingdao Shinkwang Boat Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-11-24
Anticipated expiration: 2033-05-05

Abstract

The utility model discloses a stop valve and an inflation system; wherein the shut-off valve comprises: the valve body is provided with an injection port and a discharge port, and a valve cavity is arranged between the injection port and the discharge port; the valve core is positioned in the valve cavity and is in sliding connection with the valve cavity; one end of the valve core is provided with a blocking structure which can block the communication between the injection port and the discharge port; the control piece is rotationally connected with the valve body and can drive the valve core to translate in the valve cavity, and a passage structure for communicating the injection port and the discharge port is reserved between the control piece and the valve core. The utility model has the beneficial effects that through the structure of the scheme, the rotation action of the driving piece is used for translating the valve core, on one hand, the rotation execution action is converted into the translation action, the self-locking effect is achieved, and the displacement of the valve core can be avoided. On the other hand, the valve core is displaced, so that the plugging structure directly translates into the channel of the discharge port to seal the discharge port.

Description

Stop valve and inflation system

Technical Field

The utility model relates to the technical field of valves, in particular to a stop valve and an inflation system.

Background

In the related devices of the fluid line, a shut-off valve is a common control component, and a passage provided by a valve body is shut off by controlling the variation of a valve core. Most of the structures of the existing stop valves are in an opening state when the valve body is overlapped with the through holes on the valve core, and the positions of the through holes are rotated and staggered by rotating the valve core, so that the passage is cut off. Or a butterfly valve structure is adopted, and the passage of the valve body is closed by the rotation of the valve core. The shut-off valve of this design changes the state of the internal fluid gradually during switching. If the fluid flow in the valve body is gradually reduced in the process from the open state to the cut-off state, the valve body is completely cut-off finally. In contrast, in the process from the cut-off state to the open state, the fluid in the interior is gradually changed from the small flow state to the large flow state. For the stop valve, how to further shorten the process and realize faster on-off switching is the problem to be solved by the scheme.

Disclosure of Invention

Aiming at one of the defects in the prior art, the utility model provides a stop valve and an inflation system, and solves the problem of how to more rapidly realize the passage cutting of the stop valve.

According to a first aspect of an embodiment of the present utility model, there is provided a shut-off valve comprising,

the valve body is provided with a valve cavity along the extending direction of the valve body; two ends of the valve cavity are provided with an injection port and an exhaust port; a channel which is communicated with the injection port and the discharge port is arranged in the valve body;

the valve core is arranged in the valve cavity and moves relative to the valve body along the extending direction of the valve body so as to communicate or cut off a channel of the injection port and the discharge port;

the control piece is arranged between the valve body and the valve core and can rotate relative to the valve body, and the control piece is rotated to drive the valve core to move relative to the valve body.

Preferably, the guide driving structure is further included, and the guide driving structure includes:

the guide driving rod is arranged on one side of the control piece, which faces the valve core;

the guide slide way is arranged on the valve core, one end of the guide driving rod, which is far away from the control piece, is inserted into the guide slide way, and the guide driving rod is rotated by the control piece so as to provide driving force for the movement of the valve core relative to the valve body.

Preferably, the guide slide way is in arc-shaped arrangement or inclined arrangement.

Preferably, a guide chute is arranged on the inner side of the valve body, and the guide chute extends along the extending direction of the valve body; and the outer side wall of the valve core is provided with a guide sliding block corresponding to the valve body.

Preferably, the valve body comprises a valve body,

a main body portion provided with a first cavity for accommodating the valve element;

the first connecting part is arranged at one end of the main body part; the first connecting part is provided with a second cavity communicated with the first cavity, and one end of the second cavity, far away from the main body part, is provided with an injection port;

the second connecting portion is arranged at the other end of the main body portion, a third cavity communicated with the first cavity is arranged on the second connecting portion, and one end, far away from the main body portion, of the third cavity is a discharge port.

Preferably, the method further comprises:

the valve core body is sleeved on the main body part; an air flow channel is arranged between the valve core body and the main body;

the plugging structure is arranged at the end part of the valve core; the shut-off valve is used for blocking the channel of the filling opening and/or the discharging opening of the valve body in a shut-off state.

Preferably, the valve core body is provided with a valve core cavity; the guide slide way is arranged on the cavity wall of the valve core cavity, and a plurality of communication ports are arranged on the cavity wall of the valve core cavity.

Preferably, the sealing ring is sleeved on the periphery of the plugging structure; the stop valve is used for sealing a channel between the valve body and the blocking structure in a blocking state.

Preferably, a communication port is arranged on the inner side of the control cylinder, and the communication port is communicated with a channel between the injection port and the discharge port; the communication ports are formed in a plurality of circumferential arrays.

Preferably, the control member includes:

the control cylinder is sleeved on the inner side of the valve body and sleeved on the outer side of the valve core; the control cylinder is connected with the valve core through a guide structure;

one end of the control handle is connected with the control cylinder, and the other end of the control handle penetrates through the valve body and extends to the outer side of the valve body; the valve body is provided with an annular channel for controlling the annular movement of the handle.

Preferably, the control handles are symmetrically arranged on the outer side of the control cylinder in pairs; the guide driving structures are symmetrically arranged in pairs.

Preferably, the valve body comprises two half valve body parts, wherein one half part is provided with the injection port, and the other half part is provided with the discharge port;

the two half valve body parts are respectively provided with an annular groove, and the two annular grooves form an annular channel for annular movement of the control handle.

According to a second aspect of an embodiment of the present utility model there is provided an inflation system comprising:

an air charging pipe communicated with each air chamber of the air charging boat,

the inflatable piece is used for inflating each air chamber of the inflatable boat through the inflatable tube;

the stop valve is arranged on the inflation tube and is used for communicating or stopping the inflation pipeline of the inflation tube.

Compared with the prior art, the method has the following beneficial effects: through the structure of this scheme to the rotation action of driving piece translates in addition the case, and on the one hand pivoted execution action changes into translation action, has certain self-locking effect, can avoid the case displacement. On the other hand, the valve core is displaced, so that the plugging structure directly translates into the channel of the discharge port to seal the discharge port. Compared with the traditional valve core with through holes, the sealing mode of dislocation of the through holes is adopted, the fluid flow gradual change process in the sealing process is compressed to be negligible, and the sealing is almost equal to the instant sealing. Therefore, the structure of the scheme has a quicker response effect in the cutting-off and opening actions of the valve.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a stop valve of the present utility model;

FIG. 2 is a top view of the shut-off valve of the present utility model;

FIG. 3 is a cross-sectional view of section A-A of FIG. 2;

FIG. 4 is an enlarged view of part B of FIG. 3;

FIG. 5 is a schematic diagram showing the overall structure of a stop valve according to the present utility model;

FIG. 6 is a schematic cross-sectional perspective view of a shut-off valve;

FIG. 7 is a schematic structural view of the inflation system mounted on an inflatable boat.

In the figure:

601. a valve body; 611. an injection port; 612. a discharge port; 613. a first connection portion; 614. a second connecting portion; 615. a main body portion;

602. a valve core; 621. a plugging structure; 622. a guide slideway; 623. a communication port; 624. a guide slide block;

603. a control member; 631. a control cylinder; 632. a control handle; 633. a guide driving rod; 634. and a communication port.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides the following technical solutions:

a stop valve is applied to fluid materials, in particular to a valve used as a gas passage. Comprises a valve body 601, and a valve cavity is arranged along the extending direction of the valve body 601; two ends of the valve cavity are provided with an injection port 611 and a discharge port 612; a channel for communicating the injection port 611 and the discharge port 612 is provided in the valve body 601; a valve core 602 is arranged in the valve cavity, the valve core 602 is in sliding connection with the valve cavity, and the valve core 602 can move relative to the valve body 601 along the extending direction of the valve body 601; a control piece 603 is arranged between the valve body 601 and the valve core 602, the valve body 601 is rotationally connected with the control piece 603, the control piece 603 can drive the valve core 602 to translate in the valve cavity, and a passage structure for communicating the injection port 611 and the discharge port 612 is reserved between the control piece 603 and the valve core 602.

The plug structure 621 is disposed at one end of the valve core 602, and the valve core 602 is combined with the plug structure 621 to connect or cut off the channels of the injection port 611 and the discharge port 612.

In this shut-off valve communication state, gas enters from the injection port 611, passes through the passage structure of the control member 603 and the valve body 602, and finally is discharged from the discharge port 612. After turning the control member 603, the position of the discharge port 612 toward the inside of the valve body 601 is closed by the translational blocking structure 621 of the spool 602, thereby blocking the gas.

In a conventional valve, a valve core is usually provided with a through hole, and the valve core is driven to rotate by a valve handle, so that the through hole of the valve core is transferred to the side part, and the communication of the valve is blocked. By this version of the present solution, the valve spool 602 is translated and the blocking structure 621 is used to close the exhaust port 612, which can be cut off faster than in conventional solutions, with little or no fluid flow change during rotation of the conventional spool.

On the basis of the above embodiment, the valve core 602 is driven to move in a desired direction by the guide driving structure, the guide driving structure comprises a guide driving rod 633 arranged on one side of the control member 603 facing the valve core 602, and a guide slide 622 arranged on the valve core 602, one end of the guide driving rod 633 far away from the control member 603 is inserted into the guide slide 622, and the guide driving rod 633 is rotated by the control member 603 to provide a driving force for the movement of the valve core 622 relative to the valve body 601.

The guide slide 622 may be curved or inclined based on the above embodiment. In this embodiment, the guide slide 622 is preferably a helical through slot formed in the spool 602; the helical structure has a larger pitch and can also be seen as an arcuate structure, as shown in figures 3 and 4. This solution can also be provided by straight and inclined channels, but in this form there is a greater friction during rotation, the channels of the spiral structure being smoother during movement.

By means of the rotation of the control member 603 and the spiral guide slide way 622, a self-locking effect similar to a screw nut is achieved, and the fact that the valve core 602 cannot be randomly displaced in a non-manual triggering manner after the position of the valve core 602 is changed by the control member 603 can be ensured.

On the basis of the above embodiment, a guide chute is provided inside the valve body 601, the guide chute extending in the extending direction of the valve body 601; the outer side wall of the valve core 602 is provided with a guide slide block 624 corresponding to the valve body 601. By the cooperation of the guide runner and the guide slider 624, the spool 602 is restricted from rotating relative to the valve body 601, but does only perform a translational motion.

On the basis of the above embodiment, the valve body 601 includes a main body portion 615, and the main body portion 615 is provided with a first cavity for accommodating the valve core 602; the body portion 615 is provided at both ends thereof with a first connection portion 613 and a second connection portion 614, respectively. Wherein the first connecting part 613 is provided with a second cavity communicated with the first cavity, and one end of the second cavity far away from the main body part is provided with an injection port 611; the second connection portion 615 is provided with a third cavity communicating with the first cavity, and an end of the third cavity remote from the main body portion is a discharge port 612.

Based on the above embodiment, the valve core 602 includes a valve core body, and the valve core body is sleeved on the main body 615; an air flow channel is arranged between the valve core body and the main body 615; the plugging structure 621 is arranged at the end part of the valve core body; in the shut-off state of the present shut-off valve, the blocking structure 621 is used to block the passage of the discharge port 612 of the valve body 601. The blocking structure 621 of the valve core 602 is arranged at one end of the valve core 602 facing the discharge port 612, and a valve core cavity is formed at one side of the valve core 602 facing the injection port 611; the guide slide 622 opens onto the spool chamber wall. Referring to fig. 4, the passage structure between the control member 603 and the spool 602 includes a plurality of communication ports 634 formed in the control cylinder 613, the communication ports 634 being formed in a circumferential array, the communication ports 634 being formed in a direction from the injection port 611 to the discharge port 612; the communication port 634 is combined with a plurality of communication ports 623 formed in the cavity wall of the spool cavity to form an air flow communication passage, and air flow enters the main body portion 615 from one end of the injection port 611, thus entering the spool cavity of the spool 602, and then enters the communication port 634 through the communication ports 623. If the blocking structure 621 does not enter the second connecting portion 614, the air flow is discharged, and conversely, the air flow is blocked in the main body portion 615.

On the basis of the above embodiment, the blocking structure 621 is a block corresponding to the first connecting portion 613 or the second connecting portion 614, and when the present shut-off valve is in the shut-off state, the blocking structure 621 is inserted into the first connecting portion 613 or the second connecting portion 614. Sealing rings are sleeved on the periphery of the plugging structure 621. Referring to fig. 3, the inner diameter of the main body portion 615 is larger, and the inner diameters of the first connecting portion 613 and the second connecting portion 614 are slightly smaller than the main body portion 615. When the valve core 602 moves, that is, when the valve core 602 moves downward in fig. 3, the blocking structure 621 enters the edge of the second connecting portion 614, the blocking action on the air flow is already substantially completed, so that the blocking speed of the utility model according to the present scheme is faster than that of the conventional valve structure. As the plugging structure 621 continues to descend, the sealing ring on the peripheral side also enters the second connecting portion 614, and then the airflow is completely cut off.

On the basis of the above embodiment, the main body portion 615 is provided with a through groove, the control piece 603 comprises a control barrel 613 with a cylindrical structure, the control barrel 613 is sleeved on the inner side of the main body portion 615, and the valve core 602 is sleeved inside the control barrel 613; the control cylinder 613 and the valve core 602 are connected by a guide structure; the control handle 632 is fixedly connected to the outer side of the control cylinder 613, and the control handle 632 extends to the outer side of the main body 615 through a through groove formed in the main body 615, wherein the through groove is an annular channel formed in the valve body 601. The user can operate the on-off of the stop valve by holding or pushing the control handle 632.

The guide driving lever 633 is fixedly connected with the control cylinder 613, and the guide driving lever 633 is slidably connected with the guide slide 622. Two control handles 632 are symmetrically arranged on the outer side of the control barrel 613, and the rotation angle of the control barrel 613 is 90 degrees.

On the basis of the above embodiment, the valve body 601 is formed by fixedly connecting two halves, wherein one half is provided with an injection port 611 and the other half is provided with an exhaust port 612. The two halves may be fixedly connected by bolts.

Referring to fig. 1 and 5, a different implementation is provided, as shown in fig. 1, with the injection port 611 and the discharge port 612 coaxially disposed. As shown in fig. 5, the first connecting portion 613 thereof has an elbow structure. Similarly, the second connection portion 614 may be provided with an elbow structure, or the first connection portion 613 and the second connection portion 614 may be both provided with elbow structures, or the tee structures may be adaptively modified according to actual requirements.

As shown in fig. 7, on the basis of the above embodiment, the present embodiment provides an inflation system including:

the inflation tube is communicated with each air chamber of the inflatable boat;

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A stop valve is characterized by comprising,

the valve core is arranged in the valve cavity and moves relative to the valve body along the extending direction of the valve body so as to communicate or cut off the channels of the injection port and the discharge port;

2. The shut-off valve of claim 1 further comprising a pilot drive structure, the pilot drive structure comprising:

3. The shut-off valve of claim 2 wherein the guide slide is arcuate or inclined.

4. The shut-off valve according to claim 1, wherein a guide chute is provided on the inner side of the valve body, the guide chute extending in the extending direction of the valve body; and the outer side wall of the valve core is provided with a guide sliding block corresponding to the valve body.

5. The shut-off valve of claim 2, wherein the valve body comprises,

6. The shut-off valve of claim 5, further comprising:

7. The shut-off valve of claim 6 wherein the spool body defines a spool cavity; the guide slide way is arranged on the cavity wall of the valve core cavity, and a plurality of communication ports are arranged on the cavity wall of the valve core cavity.

8. The shut-off valve of claim 6 wherein a sealing ring is sleeved around the plugging structure; the stop valve is used for sealing a channel between the valve body and the blocking structure in a blocking state.

9. The shut-off valve of claim 2 wherein said control member comprises:

10. The shutoff valve of claim 9, wherein a communication port is provided inside the control cylinder, the communication port communicating with a passage between the injection port and the discharge port; the communication ports are formed in a plurality of circumferential arrays.

11. The shut-off valve of claim 10 wherein the control handles are symmetrically disposed on the outside of the control cylinder in pairs; the guide driving structures are symmetrically arranged in pairs.

12. The shut-off valve of claim 10 wherein said valve body comprises two half valve body portions, one half having said inlet port and the other half having said outlet port;

13. An inflation system, comprising:

a shut-off valve as defined in any one of claims 1 to 12, arranged in the inflation tube for communicating with or shutting off the inflation line of the inflation tube.