CN219317678U

CN219317678U - Fixed ball valve of two spheroids

Info

Publication number: CN219317678U
Application number: CN202320267444.6U
Authority: CN
Inventors: 周素雪
Original assignee: Zhejiang Youshineng Valve Technology Co ltd
Current assignee: Zhejiang Youshineng Valve Technology Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-07-07
Anticipated expiration: 2033-02-21

Abstract

The utility model relates to the technical field of ball valves, in particular to a double-ball fixed ball valve which comprises a valve body and valve cores of two ball valves arranged in the valve body, wherein an extension rod is coaxially arranged on each valve core, the extension rod extends to the outside of the valve body, a connecting shaft which is rotationally connected with the extension rod is integrally formed on the valve body, a hand wheel assembly is arranged on each connecting shaft, and the two hand wheel assemblies are driven by a chain. According to the utility model, the two hand wheel assemblies can be connected through the arranged chain, so that when one hand wheel assembly is rotated, the other hand wheel assembly can be driven to rotate through the chain, the use is more convenient, and simultaneously, the two valve cores can be independently adjusted under the action of the limiting assembly, so that the use is more flexible.

Description

Fixed ball valve of two spheroids

Technical Field

The utility model relates to the technical field of ball valves, in particular to a double-sphere fixed ball valve.

Background

Ball valves are a common type of flow valve. The structure of the ball valve generally comprises a valve body, a valve cover, a ball body, a valve rod and an operating mechanism, wherein the operating mechanism is in linkage fit with the valve rod, and drives the valve rod to drive the ball body to rotate so as to finish the opening and closing actions of the ball valve. In the structure, the valve rod and the ball body are arranged in a split and linked way, so that the defects of dead space sanitation and inconvenient cleaning exist. In addition, in chemical industry and petroleum conveying pipelines, absolute safety is required for conveying certain media, and safety accidents caused by incomplete opening and closing of valves are not allowed to exist.

There is a double-sphere ball valve as disclosed in the patent application number CN201420495377.4 in the prior art, including the valve body main part and with the valve body right body and the valve body left body that the valve body main part is connected together, be provided with two fairways in the valve body main part, be the first fairway that is located its right-hand member and the second fairway that is located its left end respectively, corresponding first spheroid and second spheroid are installed respectively to first fairway and second fairway, first spheroid and second spheroid upper end, the valve body main part outside is furnished with corresponding first actuating mechanism and second actuating mechanism respectively, the valve body main part side is furnished with the blowoff valve for to the clean blowdown in first fairway and the second fairway.

Although the hidden danger can be thoroughly eliminated through the opening and closing of the other sphere, the double safety function is realized, and when one sphere is damaged, only the damaged sphere end needs to be replaced or maintained, the other sphere still works, and the service life of the sphere is prolonged as a whole; however, in this technical scheme, when both driving mechanisms are manual, two spheres, i.e. the valve cores, cannot be adjusted simultaneously, which is inconvenient in use. In view of this, we propose a double-sphere fixed ball valve.

Disclosure of Invention

In order to make up for the defects, the utility model provides a double-sphere fixed ball valve.

The technical scheme of the utility model is as follows:

the fixed ball valve comprises a valve body and valve cores of two ball valves arranged in the valve body, wherein each valve core is coaxially provided with an extension rod, the extension rods extend to the outside of the valve body, the valve body is integrally formed with a connecting shaft which is rotationally connected with the extension rods, each connecting shaft is provided with a hand wheel assembly, and the two hand wheel assemblies are driven by a chain; the hand wheel assembly comprises an integrally formed fixing assembly, the fixing assembly comprises a fixing seat fixedly connected with the connecting shaft, a driving rod coaxially fixed with the extension rod and a connecting disc for installing a chain wheel of a chain, and the driving rod is rotationally connected with the fixing seat; and the fixed component is provided with a limiting component for limiting the chain.

As the preferable technical scheme, spacing subassembly is including the lower pressure disk that is located the top, lower pressure disk bottom integrated into one piece has an adjusting axle, adjusting axle circumference outer wall lower part symmetry is fixed with two drive blocks, the adjusting axle bottom is fixed with a gag lever post, gag lever post circumference outer wall sliding connection has a fixed disk, be equipped with the spring between adjusting axle bottom and the fixed disk top.

As the preferable technical scheme, the drive rod is provided with a perforation, the perforation extends out of the top to the top of the connecting disc, the fixed disc is fixedly connected with the inner wall of the perforation, and the inner wall of the perforation is provided with a placing groove for accommodating the drive block.

As the preferable technical scheme, the sprocket is rotationally connected to the top of the connecting disc, a driving hole for the adjusting shaft to pass through is formed in the sprocket, and a driving groove matched with the driving block is formed in the inner wall of the driving hole.

As the preferable technical scheme, the hand wheel assembly further comprises a hand wheel fixed on the circumferential outer wall of the connecting disc.

As the preferable technical scheme, two flange plates are arranged on two sides of the valve body, and a plurality of thread grooves are formed on the left side and the right side of the valve body.

As a preferred solution, the spring is located in the driving groove when not pressed.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the two hand wheel assemblies can be connected through the arranged chain, so that when one hand wheel assembly is rotated, the other hand wheel assembly can be driven to rotate through the chain, the use is more convenient, and simultaneously, the two valve cores can be independently adjusted under the action of the limiting assembly, so that the use is more flexible.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the valve body according to the present utility model;

FIG. 3 is a schematic view of the hand wheel assembly and chain of the present utility model;

FIG. 4 is a schematic view of the structure of the fixing assembly and the limiting assembly according to the present utility model;

fig. 5 is a schematic view of the structure of the chain according to the present utility model.

The meaning of each reference numeral in the figures is:

1. a valve body; 10. a thread groove; 11. a valve core; 12. an extension rod; 13. a connecting shaft; 2. a double flange plate; 3. a hand wheel assembly; 30. a fixing assembly; 300. a fixing seat; 301. a driving rod; 302. a connecting disc; 303. perforating; 304. a placement groove; 31. a hand wheel; 32. a limit component; 320. a lower platen; 321. an adjusting shaft; 322. a driving block; 323. a limit rod; 324. a fixed plate; 325. a spring; 4. a chain; 40. a sprocket; 400. a drive hole; 401. and a driving groove.

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. 1-5, the present utility model provides a technical solution:

the double-sphere fixed ball valve comprises a valve body 1 and valve cores 11 of two ball valves arranged in the valve body 1, wherein an extension rod 12 is coaxially arranged on each valve core 11, the extension rod 12 extends to the outside of the valve body 1, a connecting shaft 13 rotationally connected with the extension rod 12 is integrally formed on the valve body 1, a hand wheel assembly 3 is arranged on each connecting shaft 13, and the two hand wheel assemblies 3 are driven by a chain 4; the hand wheel assembly 3 comprises an integrally formed fixing assembly 30, wherein the fixing assembly 30 comprises a fixing seat 300 fixedly connected with the connecting shaft 13, a driving rod 301 coaxially fixed with the extension rod 12 and a connecting disc 302 for installing a chain wheel 40 of the chain 4, and the driving rod 301 is rotatably connected with the fixing seat 300; the fixed assembly 30 is provided with a limiting assembly 32 for limiting the chain 4. Can connect two hand wheel components 3 through the chain 4 that sets up, can be when rotating a hand wheel component 3, can drive another hand wheel component 3 through chain 4 and rotate, it is more convenient when using, can make two case 11 adjust alone under the effect of spacing subassembly 32 simultaneously, and is more nimble when using.

As a preferred embodiment, the limiting component 32 includes a lower pressing plate 320 located at the top, an adjusting shaft 321 is integrally formed at the bottom of the lower pressing plate 320, two driving blocks 322 are symmetrically fixed at the lower part of the circumferential outer wall of the adjusting shaft 321, a limiting rod 323 is fixed at the bottom of the adjusting shaft 321, a fixing plate 324 is slidably connected to the circumferential outer wall of the limiting rod 323, and a spring 325 is arranged between the bottom of the adjusting shaft 321 and the top of the fixing plate 324. When the limiting assembly 32 is used, when the pressure plate 320 is not pressed down, the spring 325 is not extruded at the moment, namely the driving block 322 is positioned in the driving groove 401, when one of the hand wheels 31 is rotated, the hand wheel 31 directly drives the driving rod 301 to rotate through the connecting disc 302, the valve core 11 is further driven to rotate through the extension rod 12, the driving rod 301 drives the limiting rod 323 to rotate through the fixing disc 324 in the rotating process, the chain wheel 40 is further driven to rotate through the matching of the driving block 322 and the driving groove 401, and the other hand wheel assembly 3 can be driven to work through the chain 4; when the pressing plate 320 is pressed down, the driving block 322 moves down into the placing groove 304, at this time, the driving block 322 is separated from the driving groove 401, then the hand wheel 31 is rotated, at this time, the hand wheel 31 directly drives the driving rod 301 to rotate through the connecting disc 302, and then drives the valve core 11 to rotate through the extending rod 12, and due to the lack of the matching of the driving block 322 and the driving groove 401, the limiting rod 323 and the adjusting shaft 321 work for driving the chain 4.

Preferably, in this embodiment, the driving rod 301 is provided with a through hole 303, the through hole 303 extends from the top to the top of the connecting disc 302, the fixing disc 324 is fixedly connected with the inner wall of the through hole 303, and the inner wall of the through hole 303 is provided with a placing groove 304 for accommodating the driving block 322. It is ensured that the stop lever 323 can be rotated by the fixed disk 324 when the driving lever 301 is rotated, and it is necessary to supplement that the stop lever 323 and the fixed disk 324 do not rotate relative to each other.

As a preferred embodiment, the sprocket 40 is rotatably connected to the top of the connecting disc 302, a driving hole 400 for the adjusting shaft 321 to pass through is formed in the sprocket 40, and a driving groove 401 matched with the driving block 322 is formed in the inner wall of the driving hole 400. I.e., the sprocket 40 can be driven to operate with the drive channel 401 and the drive block 322 in cooperation.

Preferably, the handwheel assembly 3 further includes a handwheel 31 secured to the circumferential outer wall of the connection plate 302.

As a preference of this embodiment, the two sides of the valve body 1 are provided with the double flange plates 2, and the left and right sides of the valve body 1 are provided with a plurality of thread grooves 10. The double flange plates 2 are arranged to facilitate the external connection of the valve body 1.

Preferably, in this embodiment, the spring 325 is positioned within the drive slot 401 when not compressed.

When the double-sphere fixed ball valve is used, when two valve cores 11 are regulated together, the spring 325 is not extruded at the moment, namely the driving block 322 is positioned in the driving groove 401, when one hand wheel 31 is rotated, the hand wheel 31 directly drives the driving rod 301 to rotate through the connecting disc 302, the valve core 11 is further driven to rotate through the extension rod 12, the driving rod 301 drives the limiting rod 323 to rotate through the fixing disc 324 in the rotating process, the chain wheel 40 is further driven to rotate through the matching of the driving block 322 and the driving groove 401, and the other hand wheel assembly 3 can be driven to work through the chain 4; when one of the valve cores 11 is adjusted, the driving block 322 moves downwards into the placing groove 304, at this time, the driving block 322 is separated from the driving groove 401, then the hand wheel 31 is rotated, at this time, the hand wheel 31 directly drives the driving rod 301 to rotate through the connecting disc 302, and then the valve core 11 is driven to rotate through the extending rod 12, and due to the lack of the matching of the driving block 322 and the driving groove 401, the limiting rod 323 and the adjusting shaft 321 work for driving the chain 4.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Double-sphere fixed ball valve comprises a valve body (1) and valve cores (11) of two ball valves arranged inside the valve body (1), and is characterized in that: an extension rod (12) is coaxially arranged on each valve core (11), the extension rod (12) extends to the outside of the valve body (1), a connecting shaft (13) rotationally connected with the extension rod (12) is integrally formed on the valve body (1), a hand wheel assembly (3) is arranged on each connecting shaft (13), and the two hand wheel assemblies (3) are driven by a chain (4); the hand wheel assembly (3) comprises an integrally formed fixing assembly (30), the fixing assembly (30) comprises a fixing seat (300) fixedly connected with the connecting shaft (13), a driving rod (301) coaxially fixed with the extension rod (12) and a connecting disc (302) for installing a chain wheel (40) of the chain (4), and the driving rod (301) is rotationally connected with the fixing seat (300); the fixing component (30) is provided with a limiting component (32) for limiting the chain (4).

2. The dual sphere fixed ball valve of claim 1, wherein: limiting component (32) are including lower pressure disk (320) that are located the top, lower pressure disk (320) bottom integrated into one piece has an adjusting axle (321), adjusting axle (321) circumference outer wall lower part symmetry is fixed with two drive blocks (322), adjusting axle (321) bottom is fixed with a gag lever post (323), gag lever post (323) circumference outer wall sliding connection has a fixed disk (324), be equipped with spring (325) between adjusting axle (321) bottom and fixed disk (324) top.

3. The dual sphere fixed ball valve of claim 2, wherein: the driving rod (301) is provided with a perforation (303), the perforation (303) extends out of the top of the connecting disc (302), the fixed disc (324) is fixedly connected with the inner wall of the perforation (303), and the inner wall of the perforation (303) is provided with a placing groove (304) for accommodating the driving block (322).

4. A dual sphere fixed ball valve as in claim 3, wherein: the sprocket (40) is rotationally connected to the top of the connecting disc (302), a driving hole (400) for the adjusting shaft (321) to pass through is formed in the sprocket (40), and a driving groove (401) matched with the driving block (322) is formed in the inner wall of the driving hole (400).

5. The dual sphere fixed ball valve of claim 4, wherein: the hand wheel assembly (3) further comprises a hand wheel (31) fixed on the circumferential outer wall of the connecting disc (302).

6. The dual sphere fixed ball valve of claim 5, wherein: the double-flange plates (2) are arranged on two sides of the valve body (1), and a plurality of thread grooves (10) are formed in the left side and the right side of the valve body (1).

7. The dual sphere fixed ball valve of claim 6, wherein: the spring (325) is positioned in the drive slot (401) when not compressed by the drive block (322).