CN215257944U

CN215257944U - Flow switching valve

Info

Publication number: CN215257944U
Application number: CN202121078308.XU
Authority: CN
Inventors: 蔡小飞; 严荣杰; 黄水清; 杨荣; 阮津津
Original assignee: Ningbo Jklong Precision Work Co ltd
Current assignee: Ningbo Jklong Precision Work Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-12-21
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a flow switching valve, include: the switching valve comprises a valve body and a ball body movably arranged in the valve body, wherein a first channel is formed in the ball body, a switching sleeve is arranged in the ball body, a second channel is formed in the switching sleeve, and the flow in the first channel is larger than or smaller than the flow in the second channel. The utility model discloses realize the fast switch-over of big or small flow, save adjust time.

Description

Flow switching valve

Technical Field

The utility model relates to a technical field of valve especially relates to a flow switching valve.

Background

The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and can be closed tightly only by rotating 90 degrees and a small rotating moment.

The ball valve is widely applied to long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and other industries, and plays a significant role in national economy.

The tap body of the ball valve is a sphere with a circular through hole or channel passing through its axis.

The conventional ball valve is not used for flow regulation of fluid, only has full-opening and full-closing functions, but in some special occasions, two flow regulation requirements with large size difference are needed, namely, the normal use is large flow, and small flow is needed in part of time, but the whole system cannot cut off media.

Disclosure of Invention

Aiming at the problems that the existing ball valve is fully opened or closed, the flow switching valve is provided, the quick switching of large flow and small flow is realized, and the adjusting time is saved.

The specific technical scheme is as follows:

a flow switching valve comprising: the switching valve comprises a valve body and a ball body movably arranged in the valve body, wherein a first channel is formed in the ball body, a switching sleeve is arranged in the ball body, a second channel is formed in the switching sleeve, and the flow in the first channel is larger than or smaller than the flow in the second channel.

In the above flow switching valve, the first channel extends transversely through the ball, the switching sleeve extends transversely through the ball, the second channel extends axially through the switching sleeve, and an angle is formed between a central axis of the first channel and a central axis of the second channel.

In the above flow rate switching valve, the first channel and the second channel are both arranged in a cylindrical shape, and the radius of the first channel is greater than that of the second channel.

In the above flow rate switching valve, a central axis of the first passage is perpendicular to a central axis of the second passage.

In the above flow switching valve, the two sides of the ball are respectively provided with the mounting ports communicated with the first channel, and the two ends of the switching sleeve are respectively in sealing fit with the two mounting ports.

In the above flow switching valve, a first annular groove is formed in the ball body on the periphery of the mounting opening, a convex ring is arranged on the periphery of one end of the switching sleeve, and the convex ring and the first annular groove are in limit fit in the axial direction of the switching sleeve;

the flow rate switching valve further includes: the spheroid is located this the week side of installing port still is equipped with the second annular, the retaining ring is located in the second annular, the bulge loop with the retaining ring is followed switching telescopic axial is spacing to be cooperated.

In the above flow rate switching valve, an outer diameter of the first ring groove is smaller than an outer diameter of the second ring groove.

In the above flow rate switching valve, an outer diameter of the retainer ring is larger than an outer diameter of the protruding ring, an inner diameter of the retainer ring is smaller than an inner diameter of the protruding ring, and the inner diameter of the retainer ring is larger than an inner diameter of the switching sleeve.

In the above flow switching valve, sealing rings are respectively disposed between two ends of the switching sleeve and the two mounting ports.

The flow rate switching valve described above further includes: the sealing ring is arranged on two sides of the ball body in the valve body, and the lower end of the valve rod penetrates through the valve body and is connected with the ball body.

Compared with the prior art, the technical scheme has the positive effects that:

the utility model discloses a handle rotates, realizes the switching of first passageway and second passageway, can realize the fast switch-over of big or small flow in the short time, saves adjust time.

Drawings

Fig. 1 is a schematic view of the overall structure of a medium passing first channel of a flow switching valve according to the present invention;

fig. 2 is a schematic view of the overall structure of the medium passing second channel of the flow switching valve according to the present invention;

fig. 3 is a schematic structural diagram of a sphere of the flow switching valve for passing a medium through a first channel according to the present invention;

fig. 4 is a schematic structural diagram of a sphere of the flow switching valve for passing a medium through a first channel according to the present invention;

fig. 5 is a schematic structural view of a retainer ring of the flow switching valve of the present invention;

in the drawings: 1. a valve body; 2. a sphere; 3. a first channel; 4. a second channel; 5. a switching sleeve; 6. an installation port; 7. a first ring groove; 8. a second ring groove; 9. a convex ring; 10. a retainer ring; 11. a seal ring; 12. caulking grooves; 13. a seal ring; 14. a valve stem; 15. a handle; 16. a valve body; 17. and a valve cover.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

Fig. 1 is the utility model relates to a flow switching valve's medium passes through the overall structure schematic diagram of first passageway, and fig. 2 is the utility model relates to a flow switching valve's medium passes through the overall structure schematic diagram of second passageway, and fig. 3 is the utility model relates to a flow switching valve's medium passes through the spheroidal structure schematic diagram of first passageway, and fig. 4 is the utility model relates to a flow switching valve's medium passes through the spheroidal structure schematic diagram of first passageway, and fig. 5 is the utility model relates to a flow switching valve's retaining ring's structure schematic diagram, as shown in fig. 1 to 5, shown the flow switching valve of a preferred embodiment, include: the spheroid 2 in the valve body 1 is located with the activity to valve body 1, has first passageway 3 in the spheroid 2, is equipped with in the spheroid 2 and switches sleeve 5, has second passageway 4 in switching sleeve 5, and the flow in the first passageway 3 is greater than or is less than the flow in the second passageway 4.

Further, as a preferred embodiment, the first passage 3 extends transversely through the ball 2, the switching sleeve 5 extends transversely through the ball 2, and the second passage 4 extends axially through the switching sleeve 5.

Further, as a preferred embodiment, the first channel 3 and the second channel 4 are both disposed in a cylindrical shape, and the radius of the first channel 3 is larger than that of the second channel 4.

Further, as a preferred embodiment, the central axis of the first channel 3 forms an angle with the central axis of the second channel 4. Preferably, the angle is 90 °.

Further, as a preferred embodiment, the central axis of the first passage 3 is perpendicular to the central axis of the second passage 4.

Preferably, the outer diameter of the switching sleeve 5 is smaller than the inner diameter of the first channel 3.

The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.

The utility model discloses still have following embodiment on above-mentioned basis:

in a further embodiment of the present invention, please continue to refer to fig. 1 to fig. 5, the two sides of the ball 2 are respectively provided with mounting ports 6 respectively connected to the first channel 3, and the two ends of the switching sleeve 5 are respectively sealed and matched with the two mounting ports 6.

In a further embodiment of the present invention, the ball 2 is provided with a first ring groove 7 at the periphery of a mounting opening 6, a protruding ring 9 is provided at the periphery of one end of the switching sleeve 5, and the protruding ring 9 and the first ring groove 7 are in spacing fit along the axial direction of the switching sleeve 5.

The utility model discloses a further embodiment, flow switching valve still includes: the retaining ring 10, spheroid 2 are located this installing port 6 week side still to be equipped with second annular 8, and retaining ring 10 is located in second annular 8, and protruding ring 9 and retaining ring 10 are along switching sleeve 5's axial spacing cooperation.

In a further embodiment of the present invention, the outer diameter of the first ring groove 7 is smaller than the outer diameter of the second ring groove 8.

The utility model discloses a further embodiment, the external diameter of retaining ring 10 is greater than the external diameter of bulge loop 9, and the internal diameter of retaining ring 10 is less than the internal diameter of bulge loop 9, and the internal diameter of retaining ring 10 is greater than the internal diameter of switching sleeve 5. Preferably, the retainer ring 10 is an elastic member.

In a further embodiment of the present invention, the two ends of the switching sleeve 5 are respectively provided with a sealing ring 11 between the two mounting holes 6.

Preferably, the switching sleeve 5 has two caulking grooves 12 on the outer periphery of both ends, the two sealing rings 11 are respectively disposed in the two caulking grooves 12, and one caulking groove 12 is located on the outer periphery of the protruding ring 9.

The utility model discloses a further embodiment, flow switching valve still includes: two sealing rings 13 and valve rod 14, two sealing rings 13 locate and lie in the both sides of spheroid 2 in the valve body 1, and the lower extreme of valve rod 14 runs through valve body 1, and is connected with spheroid 2. Preferably, the lower end of the valve stem 14 engages with the ball 2.

The utility model discloses a further embodiment, flow switching valve still includes: and a handle 15, wherein the handle 15 is connected with the upper end of the valve rod 14.

Preferably, the valve body 1 comprises a valve body 16 and a valve cover 17 which are connected with each other, and the ball 2 is arranged in the valve body 16.

The utility model discloses a handle 15 rotates 90, realizes the switching of first passageway 3 and second passageway 4, can realize the fast switch-over of big or small flow in the short time, saves adjust time.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims

1. A flow switching valve, comprising: the switching valve comprises a valve body and a ball body movably arranged in the valve body, wherein a first channel is formed in the ball body, a switching sleeve is arranged in the ball body, a second channel is formed in the switching sleeve, and the flow in the first channel is larger than or smaller than the flow in the second channel.

2. The flow switching valve of claim 1, wherein the first passage extends transversely through the ball, the switching sleeve extends transversely through the ball, the second passage extends axially through the switching sleeve, and a central axis of the first passage is angled relative to a central axis of the second passage.

3. The flow switching valve of claim 1, wherein the first channel and the second channel are each cylindrically configured, and wherein the radius of the first channel is greater than the radius of the second channel.

4. The flow switching valve of claim 2, wherein a central axis of the first passage is disposed perpendicular to a central axis of the second passage.

5. The flow switching valve according to claim 2, wherein the ball body is provided at both sides thereof with mounting ports respectively communicating with the first passage, and both ends of the switching sleeve are respectively in sealing engagement with the mounting ports.

6. The flow switching valve according to claim 5, wherein the ball body is provided with a first annular groove around a periphery of the mounting opening, and the switching sleeve is provided with a protruding ring around an end thereof, the protruding ring being in limit fit with the first annular groove in an axial direction of the switching sleeve;

7. The flow switching valve of claim 6 wherein the outer diameter of the first annular groove is smaller than the outer diameter of the second annular groove.

8. The flow switching valve of claim 6, wherein an outer diameter of the retainer ring is larger than an outer diameter of the male ring, an inner diameter of the retainer ring is smaller than an inner diameter of the male ring, and the inner diameter of the retainer ring is larger than an inner diameter of the switching sleeve.

9. The flow switching valve of claim 5, wherein a sealing ring is disposed between each of the two ends of the switching sleeve and each of the two mounting ports.

10. The flow switching valve of claim 1, further comprising: the sealing ring is arranged on two sides of the ball body in the valve body, and the lower end of the valve rod penetrates through the valve body and is connected with the ball body.