CN217328738U - Ball valve body opening and closing structure and ball valve - Google Patents
Ball valve body opening and closing structure and ball valve Download PDFInfo
- Publication number
- CN217328738U CN217328738U CN202221206268.7U CN202221206268U CN217328738U CN 217328738 U CN217328738 U CN 217328738U CN 202221206268 U CN202221206268 U CN 202221206268U CN 217328738 U CN217328738 U CN 217328738U
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- valve
- ball
- valve rod
- worm
- ball valve
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Abstract
The utility model relates to an opening and closing structure of a ball valve, in particular to an opening and closing structure of a ball body of a ball valve and the ball valve, wherein the opening and closing structure of the ball body of the ball valve comprises a shell, a worm wheel and a worm are rotatably connected in the shell, and the worm is meshed with the worm wheel; one end of the connecting frame is fixedly connected with the shell, and the other end of the connecting frame is fixedly connected with the shell; the valve rod is rotatably connected inside the valve body, one end of the valve rod is fixedly connected with the ball body, and the other end of the valve rod is fixedly connected with the turbine; wherein, the link span is located between casing and the valve body, and the link span is passed to the valve rod. The utility model discloses utilize the worm gear to carry out the transmission to the valve rod, then make the worm gear drive the valve rod to make the spheroid open and close, solved and directly twisted the problem of twisting the valve rod great to the valve rod moment of torsion soon, reduced and opened and close spheroidal in-process valve rod fracture risk.
Description
Technical Field
The utility model relates to an open and close structure of ball valve especially relates to a structure and ball valve are opened and close to ball valve spheroid.
Background
The ball valve, the opening and closing piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. Is often used for fluid regulation and control.
The in-process of current ball valve using is the rotatory hand wheel of user's direct rotation fixed on the valve rod usually, utilizes rotatory hand wheel to drive the valve rod and rotates, and the drive spheroid rotates when the valve rod pivoted to carry out the spheroid and open and close at ball valve inner passage. However, the actuating mechanism and the actuating mode easily cause the over-large rotating angle of the ball body or the breakage or the tearing of the valve rod, and the safe use of the ball valve is influenced.
Disclosure of Invention
In order to open and close better safer spheroid to the ball valve, the utility model provides a structure and ball valve are opened and close to ball valve spheroid, it utilizes the worm wheel to carry out the transmission to the valve rod, then makes the worm wheel drive the valve rod to make the spheroid open and close, solved and directly twisted the problem of twisting the valve rod great to the valve rod moment of torsion soon, reduced and opened and close spheroidal in-process valve rod fracture risk.
First aspect, the utility model provides a pair of ball valve spheroid opens and close structure adopts following technical scheme:
a ball opening and closing structure of a ball valve comprises
The worm wheel and the worm are rotatably connected in the shell, and the worm is meshed with the worm wheel;
one end of the connecting frame is fixedly connected with the shell, and the other end of the connecting frame is fixedly connected with the shell; and
the valve rod is rotatably connected inside the valve body, one end of the valve rod is fixedly connected with the ball body, and the other end of the valve rod is fixedly connected with the turbine;
wherein, the link span is located between casing and the valve body, the valve rod passes the link span.
Preferably, the valve rod is detachably connected with the worm gear key.
Preferably, the valve stem is keyed to the worm gear.
Preferably, the connecting frame is made of square steel.
Preferably, the connecting frame is connected with the shell through bolts, and the connecting frame is connected with the valve body through bolts.
Preferably, a rotating hand wheel is fixed at the top end of the worm.
The second aspect, the utility model provides a pair of ball valve adopts following technical scheme:
a ball valve comprises the opening and closing structure of the ball body of the ball valve.
To sum up, the utility model discloses a following beneficial technological effect:
1. this structure is opened and close to ball valve spheroid drives the valve rod through utilizing indirect starting mode to rotate, has solved and has directly twisted the great problem of valve rod moment of torsion of revolving the valve rod soon, has reduced the cracked risk of the in-process valve rod of opening and close the spheroid.
2. The ball valve ball body opening and closing structure drives the valve rod by utilizing the worm gear and the worm, is simple and efficient, and the opening and closing of the ball valve are safe and reliable.
Drawings
Fig. 1 is a schematic diagram of a ball valve gas opening and closing structure in the embodiment of the present invention.
Fig. 2 is a schematic structural view of the arc portion and the limiting portion.
Fig. 3 is a schematic structural diagram of a ball valve in the embodiment of the present invention.
Description of reference numerals: 100. a valve body; 1. a housing; 2. a worm gear; 3. a worm; 31. rotating a hand wheel; 4. a connecting frame; 5. a valve stem; 6. an arc-shaped portion; 7. a limiting part.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment of the utility model discloses structure is opened and close to ball valve spheroid.
Referring to fig. 1, the ball opening and closing structure of the ball valve comprises a housing 1, a worm wheel 2, a worm 3, a connecting frame 4 and a valve rod 5.
The casing 1 is cast by ductile cast iron, both side ends of the worm wheel 2 are arranged in the casing 1 through bearings or shaft sleeves, so that the worm wheel 2 can rotate relative to the casing 1, both end ends of the worm 3 are also arranged in the casing 1 through bearings or shaft sleeves, so that the worm 3 can rotate relative to the casing 1, and the worm 3 is meshed with the worm wheel 2.
Referring to fig. 1, the connecting frame 4 is located between the housing 1 and the valve body 100, the connecting frame 4 may be a supporting frame, preferably, the connecting frame 4 is made of square steel, one end of the connecting frame 4 is fixedly connected with the housing 1, preferably, the connecting frame 4 is detachably connected with the housing 1, and the detachable connection mode includes but is not limited to bolt connection, clamping, plugging and flange connection. In the present embodiment, the connecting frame 4 is connected to the housing 1 by bolts.
The other end of the connecting frame 4 is fixedly connected with the valve body 100 of the ball valve, preferably, the connecting frame 4 is detachably connected with the valve body 100, and the detachable connection mode includes but is not limited to bolt connection, clamping, insertion connection and flange connection. In the present embodiment, the connecting frame 4 is bolted to the valve body 100.
Referring to fig. 1, valve rod 5 rotates to be connected and wears to locate in valve body 100, and the outside cover of valve rod 5 is equipped with the axle sleeve, and the axle sleeve is installed in valve body 100, and the one end and the spheroid fixed connection of valve rod 5 rotate to driving the spheroid, another point and the worm wheel 2 fixed connection of valve rod 5, preferred, valve rod 5 can dismantle with worm wheel 2 and be connected, can dismantle the connected mode and contain but not limited to joint, grafting, key-type connection and threaded connection, in this embodiment, valve rod 5 adopts the key-type connection with worm wheel 2. Valve rod 5 passes link 4, during the installation, at first drill through-hole on the square steel, makes valve rod 5 can pass the square steel, sets up four bolt through-holes of department simultaneously on the square steel to utilize the screw rod with square steel and casing 1 and valve body 100 fixed connection.
Further, referring to fig. 1, in order to facilitate the user to screw the worm 3, a rotating hand wheel 31 is fixed on the top of the worm 3 exposed out of the housing 1, the rotating hand wheel 31 is coaxial with the worm 3, and preferably, the connection mode between the rotating hand wheel 31 and the worm 3 includes, but is not limited to, key connection, welding, thread connection and bolt connection.
Further, referring to fig. 2, the junction of worm wheel 2 both sides can set up two opposite arc portions 6 to this arc portion 6 is the circular shape one eighth of worm wheel 2 both sides, and is same, is fixed with two spacing portions 7 on the inner wall of installation worm 3 part in casing 1, and two spacing portions 7 use with the cooperation of the arc portion 6 on the worm wheel 2, and spacing portion 7 is the same with arc portion 6 size, is one eighth that corresponds arc portion 6, and when using like this, worm wheel 2 only can rotate 90 degrees, can not make personnel rotate the spheroid.
During the use, the user rotates rotatory hand wheel 31, and worm 3 rotates with rotatory hand wheel 31 synchronous, and worm 3 drives worm wheel 2 and rotates, and worm wheel 2 drives valve rod 5 and rotates to valve rod 5 drives the spheroid and rotates in order to open valve body 100. This open and close structure is in the use, and it is less to utilize the moment of torsion that rotatory hand wheel 31 directly revolves to twist valve rod 5, causes valve rod 5, but utilizes 2 indirect start-up valve stems 5 of worm wheel worm 3, has not only reduced the cracked risk of valve rod 5, has improved the security of opening and close ball valve in-process operation simultaneously.
The embodiment also discloses a ball valve, and referring to fig. 3, the ball valve comprises the ball body opening and closing structure of the ball valve disclosed by the embodiment. The ball valve further comprises a valve body 100, a valve cover, a ball body and a sealing structure, and when the ball valve is used, the ball body is started and closed by utilizing the ball valve body opening and closing structure.
Above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. A ball body opening and closing structure of a ball valve is characterized by comprising
The worm wheel and the worm are rotatably connected in the shell, and the worm is meshed with the worm wheel;
one end of the connecting frame is fixedly connected with the shell, and the other end of the connecting frame is fixedly connected with the shell; and
the valve rod is rotatably connected inside the valve body, one end of the valve rod is fixedly connected with the ball body, and the other end of the valve rod is fixedly connected with the turbine;
wherein, the link span is located between casing and the valve body, the valve rod passes the link span.
2. The opening and closing structure of a ball valve body as claimed in claim 1, wherein the valve rod is detachably connected with the worm wheel key.
3. A ball valve opening and closing structure as claimed in claim 2, wherein said valve stem is connected with a worm gear.
4. The opening and closing structure of a ball valve ball body as claimed in claim 1, wherein the connecting frame is made of square steel.
5. The opening and closing structure of a ball body of a ball valve as claimed in claim 1, wherein the connecting frame is connected with the housing by bolts, and the connecting frame is connected with the valve body by bolts.
6. The opening and closing structure of a ball valve ball body as claimed in claim 1, wherein a rotating hand wheel is fixed at the top end of the worm.
7. A ball valve comprising a ball body opening and closing structure of a ball valve according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221206268.7U CN217328738U (en) | 2022-05-19 | 2022-05-19 | Ball valve body opening and closing structure and ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221206268.7U CN217328738U (en) | 2022-05-19 | 2022-05-19 | Ball valve body opening and closing structure and ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217328738U true CN217328738U (en) | 2022-08-30 |
Family
ID=82952504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221206268.7U Active CN217328738U (en) | 2022-05-19 | 2022-05-19 | Ball valve body opening and closing structure and ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217328738U (en) |
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2022
- 2022-05-19 CN CN202221206268.7U patent/CN217328738U/en active Active
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