CN217272165U

CN217272165U - Relief valve on-off control system

Info

Publication number: CN217272165U
Application number: CN202122012985.8U
Authority: CN
Inventors: 陆爱军
Original assignee: Tianjin Yulong Xinyuan Technology Co ltd
Current assignee: Tianjin Yulong Xinyuan Technology Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-08-23
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a relief valve on-off control system, which comprises a valve body, what the inside of valve body link up is provided with first cavity, one side of first cavity is provided with the air inlet, what the top surface of first cavity link up is provided with the gas outlet, the inside of first cavity is provided with fixed sleeve, the inside of one side that fixed sleeve is close to the air inlet is provided with the joint groove, the inside mobilizable removal post that is provided with of fixed sleeve, the one end that removes the post and is close to the air inlet is provided with the slotted hole, the both ends that remove the post and be close to one side of slotted hole are provided with the joint piece, joint piece slidable stretches into the joint inslot and sets up, the slotted hole internal fixation is provided with the case. The utility model discloses but the switch of manual control relief valve can slowly effectively adjust the inside and outside pressure differential of container, and accommodation is extensive.

Description

Relief valve on-off control system

Technical Field

The utility model relates to a technical field of relief valve especially relates to a relief valve on-off control system.

Background

The pressure relief valve can be automatically opened and closed according to the working pressure of the system, and is generally arranged on equipment or a pipeline of a closed system to protect the safety of the system. When equipment or intraductal pressure surpassed the relief valve and set for pressure, open the pressure release automatically promptly, guarantee that medium pressure is under set for pressure in equipment and the pipeline, protective apparatus and pipeline prevent to meet accident, current relief valve generally adopts semi-enclosed structure, and the container is closed according to the switch of self pressure adjustment relief valve, the switch of unable artificial control relief valve, and the pressure value that current relief valve set for can only be a fixed value, can not adjust at will along with inside and outside pressure differential's size.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect or not enough among the prior art, it is expected to provide a relief valve on-off control system, including the valve body, what the inside of valve body link up is provided with first cavity, one side of first cavity is provided with the air inlet, what the top surface of first cavity link up is provided with the gas outlet, the inside of first cavity is provided with fixed sleeve, fixed sleeve is close to the inside of one side of air inlet is provided with the joint groove, the mobilizable removal post that is provided with in fixed sleeve's inside, it is close to remove the post the one end of air inlet is provided with the slotted hole, it is close to remove the post the both ends of one side of slotted hole are provided with the joint piece, joint piece slidable stretches into the joint inslot sets up, the slotted hole internal fixation is provided with the case.

Preferably, the valve core comprises a valve core body, wherein a plugging piece is arranged at one end of the valve core body, a groove is formed in one side wall of the plugging piece, and a limiting block is arranged at one end, far away from the valve core body, of the plugging piece.

Preferably, one end of the moving column is provided with a rotating handle.

Preferably, a seal cushion layer is sleeved on the valve core body.

Preferably, springs are respectively arranged on two sides of the movable column in the clamping groove.

Preferably, the limiting block is a conical component.

Compared with the prior art, the utility model has the advantages that the valve core is arranged in the valve body, a user drives the valve core to rotate by controlling the rotating handle on one side, and the groove on one side of the valve core can realize the state of communicating or closing with the gas outlet on the upper end, thereby controlling the opening and closing of the inside and the outside of the container and controlling the use state of the pressure release valve; when the pressure in the container is overlarge, the valve core is pushed to move to one side far away from the container by the air pressure in the container, and the slow adjustment of the internal and external pressure difference of the container can be realized due to the design of the conical limiting block at the end of the valve core; the spring on one side of the valve core can control the position of the valve core, and when the internal pressure and the external pressure are consistent, the valve core is pushed to be close to the air inlet to realize the internal closing of the container.

It should be understood that what is described in this summary section is not intended to limit key or critical features of embodiments of the invention, nor is it intended to limit the scope of the invention.

Other features of the present invention will become apparent from the following description.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

FIG. 1 is a schematic structural diagram of a relief valve on-off control system;

fig. 2 is a schematic structural diagram of the valve element.

Reference numbers in the figures:

11. a valve body; 12. a first cavity; 13. an air inlet; 14. an air outlet; 15. fixing the sleeve; 16. a clamping groove; 17. moving the column; 18. a clamping block; 19. a valve core; 110. rotating the handle; 111. sealing the cushion layer; 112. a spring;

191. a valve core body; 192. a blocking member; 193. a groove; 194. and a limiting block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Please refer to fig. 1, an embodiment of the present invention provides a relief valve switch control system, including a valve body 11, the inside of valve body 11 link up is provided with first cavity 12, one side of first cavity 12 is provided with air inlet 13, the top surface of first cavity 12 link up is provided with gas outlet 14, the inside of first cavity 12 is provided with fixed sleeve 15, the inside of one side that fixed sleeve 15 is close to air inlet 13 is provided with joint groove 16, the inside mobilizable removal post 17 that is provided with of fixed sleeve 15, the one end that removal post 17 is close to air inlet 13 is provided with the slotted hole, the both ends that removal post 17 is close to one side of slotted hole are provided with joint piece 18, joint piece 18 slidable stretches into in the joint groove 16 and sets up, the slotted hole internal fixation is provided with case 19.

In this embodiment, when the pressure relief valve switch control system is used, a user rotates the rotating handle 110 on one side to drive the moving column 17 located inside the fixed sleeve 15 to rotate, the moving column 17 drives the internal valve core 19 to rotate, so that the valve core 19 and the air outlet 14 are in a communicated state, and if the pressure relief valve needs to be stopped to be used to reach a state that the inside of the container is completely sealed, the user also needs to rotate the rotating handle 110 on one side to enable the valve core 19 and the air outlet 14 to be in a closed state.

When the internal pressure of the container is too high, the valve core 19 is pushed by the internal air pressure to move towards one side far away from the container, the end part of the valve core 19 is communicated with the air inlet 13, air is discharged from the air outlet 14 from the air inlet 13 through the valve core 19, the spring 112 on one side of the clamping block 18 is compressed under the extrusion of the air pressure, and when the internal pressure and the external pressure of the container reach balance, the spring 112 rebounds to the original position.

In a preferred embodiment, as shown in fig. 2, the valve core 19 includes a valve core body 191, one end of the valve core body 191 is provided with a blocking member 192, one side wall of the blocking member 192 is provided with a groove 193, and one end of the blocking member 192, which is far away from the valve core body 191, is provided with a limit block 194.

In this embodiment, stopper 194 adopts toper structural design, and stopper 194 keeps away from the in-process of air inlet 13, and stopper 194 constantly enlarges with the space size of air inlet 13, and the rhythm of admitting air is slow effective, prevents that atmospheric pressure suddenly nature from increasing and lead to the loss of air valve body to damage.

In a preferred embodiment, as shown in FIG. 1, one end of the moving post 17 is provided with a rotating handle 110.

In a preferred embodiment, as shown in fig. 1, a gasket layer 111 is sleeved on the valve core body 191.

In a preferred embodiment, as shown in fig. 1, springs 112 are respectively disposed in the catching groove 16 at both sides of the moving post 17.

In a preferred embodiment, the stop block 194 is a tapered member, as shown in FIG. 1.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood broadly, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, the description of the terms "one embodiment," "some embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a relief valve on-off control system, a serial communication port, including the valve body, what the inside of valve body link up is provided with first cavity, one side of first cavity is provided with the air inlet, what the top surface of first cavity link up is provided with the gas outlet, the inside of first cavity is provided with fixed sleeve, fixed sleeve is close to the inside of one side of air inlet is provided with the joint groove, the inside mobilizable removal post that is provided with of fixed sleeve, it is close to remove the post the one end of air inlet is provided with the slotted hole, it is close to remove the post the both ends of one side of slotted hole are provided with the joint piece, joint piece slidable stretches into the joint inslot sets up, the slotted hole internal fixation is provided with the case.

2. The pressure relief valve switch control system according to claim 1, wherein the valve core comprises a valve core body, a blocking piece is arranged at one end of the valve core body, a groove is formed in one side wall of the blocking piece, and a limiting block is arranged at one end, away from the valve core body, of the blocking piece.

3. A pressure relief valve on-off control system in accordance with claim 2 wherein a rotating handle is provided at one end of the moving post.

4. The pressure relief valve on-off control system of claim 3 wherein the valve core body is sleeved with a seal cushion layer.

5. The pressure relief valve on-off control system of claim 4 wherein springs are respectively disposed in the clamping grooves on two sides of the movable column.

6. The pressure relief valve on-off control system of claim 5 wherein the stop block is a tapered assembly.