CN211820826U - Rotary labor-saving valve - Google Patents
Rotary labor-saving valve Download PDFInfo
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- CN211820826U CN211820826U CN201922031331.2U CN201922031331U CN211820826U CN 211820826 U CN211820826 U CN 211820826U CN 201922031331 U CN201922031331 U CN 201922031331U CN 211820826 U CN211820826 U CN 211820826U
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- valve
- valve rod
- ball
- ball body
- supporting strips
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Abstract
The utility model discloses a rotary labor-saving valve, which comprises a valve body, a valve seat, a ball body and a valve rod, wherein the valve rod is fixedly connected with the ball body, the ball body is provided with a connecting groove which is in matched connection with the valve rod, the connecting groove comprises a circular groove, a plurality of strip-shaped grooves are uniformly extended outwards around the circular groove, the lower end of the valve rod is horizontally provided with a plurality of first supporting strips, and the first supporting strips are matched with the strip-shaped grooves; the ball valve is characterized in that the front end of the valve rod is uniformly connected with one end of a plurality of second supporting strips, and the other ends of the second supporting strips are connected to the upper surface of the periphery of the ball body. The utility model discloses an aspect is through reducing the frictional force between spheroid lower part and the valve body, and on the other hand changes spheroid upper portion atress position through first support bar and second support bar to required application force when realizing dual reduction staff switching valve door.
Description
Technical Field
The utility model discloses a rotatory laborsaving valve relates to valve technical field.
Background
The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like.
The valve includes valve body, valve seat, ball and valve rod, and the ball has through hole communicated with the inlet and outlet of the valve body to realize through flow.
Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valves are classified into cast iron valves, cast steel valves, stainless steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, and the like according to the material.
The existing valve is generally integrated, is generally opened from the upper part through a valve rod, has a smaller stress surface at the joint of the valve rod and a ball body on the market, directly connects the valve rod in a cylindrical groove, has relatively larger force to be applied, and is difficult to meet the requirements of the existing factory.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the defect among the above-mentioned background art, provide a rotatory laborsaving valve, simple structure can reduce the power when rotatory.
In order to achieve the above object, the utility model adopts the following technical scheme: a rotary labor-saving valve comprises a valve body, a valve seat, a ball body and a valve rod, wherein the valve rod is fixedly connected with the ball body, a connecting groove which is matched and connected with the valve rod is arranged on the ball body, the connecting groove comprises a circular groove, a plurality of strip-shaped grooves uniformly extend outwards from the periphery of the circular groove, a plurality of first supporting strips are horizontally arranged at the lower end of the valve rod, and the first supporting strips are matched with the strip-shaped grooves;
the front end of the valve rod is uniformly connected with one end of a plurality of second supporting strips, and the other end of each second supporting strip is connected to the upper surface of the periphery of the sphere; the first supporting strip and the second supporting strip can uniformly disperse the force applied to the valve rod to a plurality of stress points on the ball body, so that the force required to be applied by a worker is changed when the valve is opened or closed, the force applied by the worker is reduced, and the labor-saving effect is achieved.
Furthermore, the second supporting strip is of a curve type or an L type, and the shape of the second supporting strip is designed according to the reserved space above the ball body.
Further, the valve rod on set up fixed cover, the one end of first bracing piece is connected and is sheathe in fixed, the spheroid surface sets up a plurality of deep troughes, the first bracing piece other end stretch into the deep troughes in, deep troughes mainly distribute in the position of spheroid top surface keep away from the valve rod, deep troughes and first bracing piece only need carry out simple insertion assembly moreover, the preparation process is uncomplicated, also realizes more easily.
Furthermore, the deep groove is a circular groove or a square groove, and the shape of the deep groove is matched with that of the first supporting strip.
Furthermore, the bottom of the valve body is provided with a hemispherical protrusion, the protrusion is in contact with the ball body, an elastic sealing ring is arranged around the protrusion, and the contact area between the protrusion and the surface of the ball body at the joint of the protrusion and the surface of the ball body is small and smooth, so that the friction force applied to the ball body when the valve is opened and closed is reduced.
Further: and an elastic sealing ring is arranged between the valve seat and the valve body.
Has the advantages that: the utility model discloses an aspect is through reducing the frictional force between spheroid lower part and the valve body, and on the other hand changes spheroid upper portion atress position through first support bar and second support bar to required application force when realizing dual reduction staff switching valve door.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion of a valve stem of the present invention;
FIG. 3 is a schematic view in the direction B-B in FIG. 2;
fig. 4 is a schematic view in the direction of a-a in fig. 2.
Detailed Description
The following describes the embodiments in further detail with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 4, the invention provides an embodiment of a rotary labor-saving valve, which includes a valve body 1, a valve seat 2, a sphere 3 and a valve rod 4, wherein the valve rod 4 is fixedly connected with the sphere 3, the sphere 3 is provided with a connecting groove in matching connection with the valve rod 4, the connecting groove includes a circular groove 51, the periphery of the circular groove 51 uniformly extends a plurality of strip-shaped grooves 52, the lower end of the valve rod 4 is horizontally provided with a plurality of first supporting strips 61, and the first supporting strips 61 are matched with the strip-shaped grooves 52;
the front end of the valve rod 4 is uniformly connected with one end of a plurality of second supporting strips 62, and the other end of each second supporting strip 62 is connected to the upper surface of the periphery of the sphere 3; the first supporting strip 61 and the second supporting strip 62 can uniformly disperse the force applied to the valve rod 4 to a plurality of stress points on the ball body 3, so that the force required to be applied by a worker when the valve is opened or closed is changed, the force applied by the worker is reduced, and the labor-saving effect is achieved.
The second supporting strip 62 is curved or L-shaped, and the shape of the second supporting strip 62 is designed according to the reserved space above the ball body 3.
Valve rod 4 on set up fixed cover 41, the one end of first supporting strip 61 is connected on fixed cover 41, 3 surfaces of spheroid set up a plurality of deep troughes 31, the first supporting strip 61 other end stretch into deep troughes 31 in, deep troughes 31 mainly distribute in the position of 3 top surfaces of spheroid keep away from valve rod 4, deep troughes 31 and first supporting strip 61 only need carry out simple insertion assembly moreover, the preparation process is uncomplicated, also realizes more easily.
The deep groove 31 is a circular groove or a square groove, and the shape of the deep groove 31 is matched with that of the first support strip 61.
The bottom of the valve body 1 is provided with a hemispherical protrusion 11, the protrusion 11 is in contact with the ball body 3, an elastic sealing ring 12 is arranged around the protrusion 11, the contact area between the protrusion 11 and the surface of the ball body 3 is small and smooth at the joint of the protrusion 11 and the surface of the ball body 3, and therefore the friction force borne by the ball body 3 is reduced when the valve is opened and closed.
An elastic sealing ring 12 is arranged between the valve seat 2 and the valve body 1.
The utility model discloses an aspect is through reducing the frictional force between spheroid lower part and the valve body, and on the other hand changes spheroid upper portion atress position through first support bar and second support bar to required application force when realizing dual reduction staff switching valve door.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (6)
1. A rotary labor-saving valve comprises a valve body, a valve seat, a ball body and a valve rod, wherein the valve rod is fixedly connected with the ball body;
the ball valve is characterized in that the front end of the valve rod is uniformly connected with one end of a plurality of second supporting strips, and the other ends of the second supporting strips are connected to the upper surface of the periphery of the ball body.
2. A rotary labor saving valve according to claim 1 wherein the second support strip is curved or L-shaped.
3. A rotary labor saving valve according to claim 1 wherein the valve stem is provided with a retaining sleeve, one end of the first support strip is attached to the retaining sleeve, the surface of the ball is provided with a plurality of deep grooves, and the other end of the first support strip extends into the deep grooves.
4. A rotary labor saving valve according to claim 3 wherein the deep groove is a circular groove or a square groove, the shape of the deep groove being adapted to the shape of the first support strip.
5. A rotary labor-saving valve according to claim 1, wherein the bottom of the valve body is provided with a hemispherical protrusion, the protrusion is in contact with the ball, and an elastic sealing ring is arranged around the protrusion.
6. A rotary labor saving valve according to claim 1 wherein: and an elastic sealing ring is arranged between the valve seat and the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031331.2U CN211820826U (en) | 2019-11-22 | 2019-11-22 | Rotary labor-saving valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031331.2U CN211820826U (en) | 2019-11-22 | 2019-11-22 | Rotary labor-saving valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211820826U true CN211820826U (en) | 2020-10-30 |
Family
ID=73027341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922031331.2U Active CN211820826U (en) | 2019-11-22 | 2019-11-22 | Rotary labor-saving valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211820826U (en) |
-
2019
- 2019-11-22 CN CN201922031331.2U patent/CN211820826U/en active Active
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