CN215635100U

CN215635100U - Rotary switch valve

Info

Publication number: CN215635100U
Application number: CN202122288543.6U
Authority: CN
Inventors: 徐理; 谢明; 陈健美
Original assignee: Changsha Lingyingzhi Manufacturing Technology Co ltd
Current assignee: Changsha Lingyingzhi Manufacturing Technology Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-01-25
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses a rotary switch valve which comprises an inner plunger, an outer plunger, an inner plunger rotating shaft, a plunger supporting block, a cover plate, a gas pressure relief hole, an air inlet channel end socket, an air sealing plug and an air inlet hole, wherein the inner plunger is fixedly connected with the outer plunger; wherein, the plunger outer cover is located the outside of plunger inner, the plunger inner rotation axis install in on the plunger inner, and can drive the plunger inner is rotatory, be equipped with a plurality of through-holes on the lateral wall of plunger inner, the top of plunger outer is equipped with the apron, the plunger inner rotation axis passes the apron with the plunger supporting shoe, the intake duct head with the shutoff head along the crisscross setting in side of plunger outer, the inlet port set up in the bottom surface of plunger outer, and with the hole intercommunication of plunger inner, the inlet port set up in on the plunger outer, and with the through-hole and gaseous release hole intercommunication.

Description

Rotary switch valve

Technical Field

The utility model relates to the technical field of valve switches, in particular to a rotary switch valve.

Background

Ball valves and butterfly valves may be operated manually, motor driven, pneumatically, and hydraulically. The electrically driven valve is powered by an electric motor through a suitable speed reducer. An electrically actuated valve has flexible internal electrical control but does not work well in harsh operating environments. The motor has difficulty driving the large size valve or the cost is increased.

Fluid dynamic valves are typically provided using dual pistons or a single piston, with the valve being actuated by a gear or linkage mechanism. Some fluid-dynamic designs, the spring may automatically open or close when de-energized. Hydraulic motor directly driven valves are supported by couplings and couplings or cylinders directly driven valve hand handles, which are present on the market due to different considerations. These fluid dynamic valves are relatively large in mechanical size and relatively complex in construction.

The valve is not well applied in severe environments, such as underwater, slurry, garbage treatment, water spraying, concrete water spraying, high humidity and the like, and the high-pressure sealing effect is poor.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a rotary switch valve to solve the problem that a valve in the prior art is poor in high-pressure sealing effect when used in a severe environment.

In order to achieve the above purpose, the utility model provides the following technical scheme:

according to the utility model, the rotary switch valve comprises an inner plunger, an outer plunger, an inner plunger rotating shaft, a plunger supporting block, a cover plate, a gas pressure relief hole, an air inlet channel end socket, an air sealing plug and an air inlet hole; wherein, the plunger outer cover is located the outside of plunger inner, the plunger inner rotation axis install in on the plunger inner, and can drive the plunger inner is rotatory, be equipped with a plurality of through-holes on the lateral wall of plunger inner, the top of plunger outer is equipped with the apron, the plunger inner rotation axis passes the apron with the plunger supporting shoe, the intake duct head with the shutoff head along the crisscross setting in side of plunger outer, the inlet port set up in the bottom surface of plunger outer, and with the hole intercommunication of plunger inner, the inlet port set up in on the plunger outer, and with the through-hole and gaseous release hole intercommunication.

Furthermore, the rotary switch valve further comprises a liquid metal injection screw and a liquid metal layer, the liquid metal injection screw is arranged at the bottom of the outer plunger, and the liquid metal layer is arranged along the contact surface of the inner plunger and the outer plunger.

Further, the rotary switch valve also comprises a sealing ring which is arranged on the contact surface of the inner plunger and the outer plunger.

Further, the sealing ring is provided in a plurality of numbers, and is arranged at intervals along the height direction of the inner plunger.

Further, the rotary switch valve further comprises a cover plate screw, the cover plate is connected with the outer plunger through the cover plate screw, and the number of the cover plate screws is multiple.

Further, the rotary switch valve further comprises a rotation angle baffle disposed on a top end surface of the inner plunger.

Further, the number of the through holes is multiple, and the through holes are arranged along the height direction and/or the circumferential direction of the inner plunger.

Further, the rotary switch valve further comprises a cover plate positioning pin, and the cover plate positioning pin is connected with the cover plate and the plunger supporting block.

The utility model has the following advantages:

in the rotary switch valve, the rotation of the inner plunger rotating shaft is controlled by an electromagnetic or linear motor to release high-pressure gas. When the rotating shaft of the inner plunger rotates to the closing position, the through hole of the inner plunger is just at the position of the air sealing plug, the air sealing plug seals the through hole, and the high-pressure gas passage is closed; when the rotating shaft of the inner plunger rotates to the opening position, the through hole of the inner plunger is aligned with the vent hole on the side wall of the outer plunger, the high-pressure gas channel is communicated, and high-pressure gas flows out from the gas inlet hole along the gas pressure relief hole to relieve pressure. The inner plunger and the outer plunger of the rotary switch valve achieve high-pressure sealing effect through grinding matching, sealing rings and liquid metal layers.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic diagram illustrating a rotary switching valve in an intake state in accordance with an exemplary embodiment;

FIG. 2 is a schematic diagram illustrating a rotary switching valve in a blocked state in accordance with an exemplary embodiment;

FIG. 3 is a schematic perspective view of a rotary switching valve according to an exemplary embodiment;

FIG. 4 is a perspective view of another aspect of a rotary switch valve in accordance with an exemplary embodiment;

FIG. 5 is a schematic diagram illustrating a plan view of a rotary switching valve in accordance with an exemplary embodiment;

in the figure: 1. an outer plunger; 2. an inner plunger; 3. a plunger support block; 4. an inner plunger rotating shaft; 5. a cover plate; 6. a cover plate screw; 7. liquid metal injection screws; 8. rotating the angle baffle; 9. a cover plate positioning pin; 10. a seal ring; 11. an air inlet channel end enclosure; 12. an air sealing plug; 13. an air inlet; 14. a gas pressure relief vent; 15. a liquid metal layer.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

According to an embodiment of the present invention, there is provided a rotary switch valve, as shown in fig. 1 to 5, including an inner plunger 2, an outer plunger 1, an inner plunger rotating shaft 4, a plunger supporting block 3, a cover plate 5, a gas pressure relief hole 14, an air inlet channel head 11, an air sealing plug 12 and an air inlet hole 13; wherein, plunger outer 1 cover is located the outside of plunger inner 2, plunger inner rotation axis 4 install in on the plunger inner 2, and can drive plunger inner 2 is rotatory, be equipped with a plurality of through-holes on the lateral wall of plunger inner 2, the top of plunger outer 1 is equipped with apron 5, plunger inner rotation axis 4 passes apron 5 with plunger supporting shoe 3, intake duct head 11 with seal gas end cap 12 along the crisscross setting in side of plunger outer 1, inlet port 13 set up in the bottom surface of plunger outer 1, and with the hole intercommunication of plunger inner 2, inlet port 13 set up in on the plunger outer 1, and with the through-hole and gas pressure relief hole 14 intercommunication.

The rotary switch valve controls the rotation of the inner plunger rotating shaft 4 by an electromagnetic or linear motor to release high-pressure gas. When the inner plunger rotating shaft 4 rotates to the closing position, the through hole of the inner plunger 2 is just at the position of the air sealing plug 12, at this time, the air sealing plug 12 seals the through hole, and the high-pressure gas passage is closed; when the inner plunger rotating shaft 4 rotates to the opening position, the through hole of the inner plunger 2 is aligned with the side wall vent hole of the outer plunger 1, the high-pressure gas channel is communicated, and the high-pressure gas flows out from the gas inlet hole 13 along the gas pressure relief hole 14 to relieve pressure. The inner plunger 2 and the outer plunger 1 of the rotary switch valve are matched through grinding to achieve the effect of high-pressure sealing, wherein the air sealing plug 12 can be spherical or hemispherical and the like.

The rotary switch valve further comprises a liquid metal injection screw 7 and a liquid metal layer 15, wherein the liquid metal injection screw 7 is arranged at the bottom of the outer plunger 1, and the liquid metal layer 15 is arranged along the contact surface between the inner plunger 2 and the outer plunger 1. By providing the liquid metal layer 15, the effect of the high pressure seal can be enhanced. Wherein, the liquid metal injection screw 7 is a detachable structure, and the liquid metal layer 15 can be opened or closed when needed.

The rotary switch valve further comprises a sealing ring 10, wherein the sealing ring 10 is arranged on a contact surface of the inner plunger 2 and the outer plunger 1, and specifically between the outer side surface of the inner plunger 2 and the inner side surface of the outer plunger 1. The number of the seal rings 10 is plural, and the seal rings are arranged at intervals along the height direction of the inner plunger 2. If the number of the seal rings 10 is four, the effect of high-pressure sealing can be enhanced by providing the seal rings 10.

The rotary switch valve further comprises a cover plate screw 6, the cover plate 5 is connected with the outer plunger 1 through the cover plate screw 6, the number of the cover plate screws 6 is multiple, such as six or eight, and the cover plate 5 can be detached or fixed through the cover plate screws 6.

The rotary switch valve further includes a rotation angle shutter 8, the rotation angle shutter 8 being disposed on a top end surface of the inner plunger 2. By providing the rotation angle shutter 8, the inner plunger 2 can be restricted within a range defined by the rotation angle shutter 8.

The number of the through holes is plural, and the through holes are arranged along the height direction and/or the circumferential direction of the inner plunger 2. As in fig. 1, the number of through holes is three rows.

The rotary switch valve further comprises a cover plate positioning pin 9, and the cover plate positioning pin 9 is connected with the cover plate 5 and the plunger supporting block 3. Wherein, the quantity of apron locating pin 9 is a plurality of, along the circumference setting of apron 5, through apron locating pin 9, can realize the location to the apron.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims

1. A rotary switch valve is characterized by comprising an inner plunger, an outer plunger, an inner plunger rotating shaft, a plunger supporting block, a cover plate, a gas pressure relief hole, an air inlet channel end socket, an air sealing plug and an air inlet hole; wherein, the plunger outer cover is located the outside of plunger inner, the plunger inner rotation axis install in on the plunger inner, and can drive the plunger inner is rotatory, be equipped with a plurality of through-holes on the lateral wall of plunger inner, the top of plunger outer is equipped with the apron, the plunger inner rotation axis passes the apron with the plunger supporting shoe, the intake duct head with the shutoff head along the crisscross setting in side of plunger outer, the inlet port set up in the bottom surface of plunger outer, and with the hole intercommunication of plunger inner, the inlet port set up in on the plunger outer, and with the through-hole and gaseous release hole intercommunication.

2. A rotary switch valve as claimed in claim 1, further comprising a liquid metal injection screw disposed at a bottom of said outer plunger and a liquid metal layer disposed along a contact surface of said inner plunger and said outer plunger.

3. A rotary switch valve as claimed in claim 1 further comprising a sealing ring disposed on the interface of the inner and outer plungers.

4. A rotary switch valve as claimed in claim 3, wherein the number of said seal rings is plural and is arranged at intervals in the height direction of said inner plunger.

5. A rotary switch valve as claimed in claim 1, further comprising a cover plate screw by which the cover plate is connected with the outer plunger, the cover plate screw being plural in number.

6. The rotary switch valve as claimed in claim 1, further comprising a rotation angle shutter provided on a top end surface of the inner plunger.

7. A rotary switch valve as claimed in claim 1, wherein the number of said through holes is plural, and is provided along the height direction and/or the circumferential direction of said inner plunger.

8. A rotary switch valve as claimed in claim 1, further comprising a cover plate locating pin connecting the cover plate and the plunger support block.