CN210510347U

CN210510347U - Ball valve

Info

Publication number: CN210510347U
Application number: CN201921066300.4U
Authority: CN
Inventors: 任冀良
Original assignee: Jiangyin Haotian Plastic Co ltd
Current assignee: Jiangyin Haotian Plastic Co ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-05-12
Anticipated expiration: 2029-07-09

Abstract

The embodiment of the utility model discloses a ball valve, which relates to the technical field of valves, and the key points of the technical proposal of the ball valve comprise a valve body, a valve rod which is rotatably arranged on the valve body and controls a valve core in the valve body, a handle head which is arranged on the valve rod and can rotate synchronously with the valve rod, and a handle which is detachably connected with one end of the handle head far away from the valve rod, wherein the handle can drive the handle head to rotate; the handle head is made of corrosion-resistant materials. The utility model discloses thereby the scheme is used for solving among the prior art because easily corroded influences ball valve life's problem around the valve rod.

Description

Ball valve

Technical Field

The embodiment of the utility model provides a valve technical field, concretely relates to ball valve.

Background

A ball valve (which in the marine and marine fields is intended to be a stop valve) is defined in valve terminology as a valve in which the closure member (the ball) is carried by the valve stem and is caused to rotate about the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline.

Current ball valve generally includes valve body, valve rod and handle, and handle and valve rod all are the metal material, and when erection joint, connect on the valve rod between the handle, in the use, the liquid that spills in valve rod department corrodes metal (including valve body and handle) around the valve rod easily to, reduced the life of ball valve to a certain extent.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a ball valve to thereby solve among the prior art because the valve rod is corroded the problem that influences ball valve life easily on every side.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

according to the embodiment of the utility model, the ball valve comprises a valve body, a valve rod which is rotatably arranged on the valve body and controls a valve core in the valve body, a handle head which is arranged on the valve rod and can rotate synchronously with the valve rod, and a handle which is detachably connected with one end of the handle head far away from the valve rod, wherein the handle can drive the handle head to rotate; the handle head is made of corrosion-resistant materials.

Furthermore, a limiting cylinder is annularly arranged on the outer side of the valve body and around the valve rod, and a sealing groove is formed between the limiting cylinder and the valve rod; the handle head comprises a driving ring which can be sleeved on the valve rod to drive the valve rod to rotate and a sealing ring which is integrally formed at one end of the driving ring in the axial direction and is inserted in the sealing groove; the end, far away from the sealing ring, of the driving ring is detachably connected with a handle, a first fixing hole is formed in one end of the handle, an end plate is formed in one end, far away from the sealing ring, of the driving ring, a second fixing hole is formed in the end plate, a threaded hole is formed in the end portion of the valve rod, and a screw penetrates through the first fixing hole, the second fixing hole and the threaded hole in sequence to be connected and fixed.

Further, a first arc-shaped limiting plate is integrally formed on one end face, far away from the valve body, of the limiting cylinder along the axis direction; the outer diameter of the driving ring is larger than that of the sealing ring, a first step is formed between the driving ring and the sealing ring, and a second arc limiting plate is integrally formed on the first step; the second arc limiting plate is staggered with the first arc limiting plate, and when the first arc limiting plate is abutted to one end of the arc length of the second arc limiting plate, the valve body is completely opened or completely closed.

Furthermore, a sealing ring is embedded in the sealing groove; the sealing ring abuts against the sealing ring.

Furthermore, the section of the valve rod is cylindrical, a driving block with a waist-shaped section is formed at the end part of the valve rod, a waist-shaped limiting hole is formed in the driving ring, and the driving block is inserted in the limiting hole.

Furthermore, a U-shaped groove is formed in one side face, far away from the sealing ring, of the end plate, and the end part of the U-shaped groove penetrates through the side wall of the end plate; the handle is a long-strip-shaped plate, the edge of the handle is provided with a convex edge which is integrally formed on one side surface close to the end plate, and one end of the convex edge close to the first fixing hole is embedded in the U-shaped groove.

Furthermore, the handle head is made of plastic materials.

Further, the handle is made of metal materials.

Furthermore, a curled edge is integrally formed on one side of the convex edge far away from the handle to one side of the middle of the convex edge.

The embodiment of the utility model provides a have following advantage:

the embodiment of the utility model provides a through the handle head that sets up, when the installation, the handle hood is established around the valve rod to carry out sealing connection around the valve rod, keep apart valve body and handle and valve rod, protected valve body and handle to a certain extent. Meanwhile, the handle head is made of corrosion-resistant materials, and is not easy to corrode in the using process, so that the service life of the ball valve is prolonged to a certain extent.

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 structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic overall structure diagram of a ball valve provided in an embodiment of the present invention;

fig. 2 is an exploded schematic view of a ball valve according to an embodiment of the present invention;

fig. 3 is a schematic view of a protruding valve rod in a ball valve according to an embodiment of the present invention;

fig. 4 is a schematic view of a protruding handle head in the ball valve provided by the embodiment of the present invention;

fig. 5 is a schematic view of a protruding U-shaped groove in a ball valve according to an embodiment of the present invention;

fig. 6 is a schematic view of a protruding handle in a ball valve according to an embodiment of the present invention;

fig. 7 is a cross-sectional view of a protruding bead in a ball valve according to an embodiment of the present invention.

In the figure: 1. a valve body; 11. a limiting cylinder; 12. a sealing groove; 121. a seal ring; 13. a first arc-shaped limiting plate; 2. a valve stem; 21. a threaded hole; 22. a drive block; 3. a handle head; 31. a drive ring; 311. an end plate; 3111. a second fixing hole; 3112. a U-shaped groove; 312. a limiting hole; 32. a seal ring; 33. a first step; 34. a second arc-shaped limiting plate; 4. a handle; 41. a first fixing hole; 42. a rib; 421. and (6) curling.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

The utility model provides a ball valve, as shown in fig. 1 to 6, includes valve body 1, rotates to set up on valve body 1 to the valve body 1 inner valve core control its open or closed valve rod 2, still including setting up on valve rod 2 and can with valve rod 2 synchronous pivoted handle head 3 and can dismantle the connection and keep away from handle 2 handle 4 of one end at handle head 3, handle 4 can drive handle head 3 and rotate. Wherein, the handle head 3 is made of corrosion-resistant material. When the valve is used, the handle head 3 can be driven to rotate by rotating the handle 4, so that the valve rod 2 is driven to rotate, and the valve body 1 is driven to be opened or closed.

The outer side wall of the valve body 1 is provided with a limiting cylinder 11 in a surrounding mode and located on the periphery of the valve rod 2, the central line of the limiting cylinder 11 is parallel to the axis direction of the valve rod 2, the diameter of the limiting cylinder 11 is larger than that of the valve rod 2, a sealing groove 12 is formed between the limiting cylinder 11 and the valve rod 2, and the sealing groove 12 is used for sealing the periphery of the valve rod 2.

The handle head 3 comprises a driving ring 31 which can be sleeved on the valve rod 2 to drive the valve rod 2 to rotate and a sealing ring 32 which is integrally formed at one end of the driving ring 31 in the axial direction and is inserted in the sealing groove 12; meanwhile, a seal ring 121 is fitted into the seal groove 12, and after the seal ring is mounted, the seal ring 32 abuts against the seal groove 12 and the seal ring 121, thereby performing sealing.

The end of the driving ring 31 far away from the sealing ring 32 is detachably connected with the handle 4, one end of the handle 4 is provided with a first fixing hole 41, one end of the driving ring 31 far away from the sealing ring 32 is provided with an end plate 311, the end plate 311 is provided with a second fixing hole 3111, the end of the valve rod 2 is provided with a threaded hole 21, and the first fixing hole 41, the second fixing hole 3111 and the threaded hole 21 are sequentially penetrated by a screw rod to be connected and fixed during assembly.

A first arc limiting plate 13 is integrally formed on one end face, far away from the valve body 1, of the limiting cylinder 11 along the axis direction. The outer diameter of the driving ring 31 is larger than that of the sealing ring 32, a first step 33 is formed between the driving ring 31 and the sealing ring 32, and a second arc-shaped limit plate 34 is integrally formed on the first step 33; the second arc limiting plate 34 is dislocated from the first arc limiting plate 13, and when the first arc limiting plate 13 abuts against the arc length end of the second arc limiting plate 34, the valve body 1 is completely opened or completely closed. The sum of the arc lengths of the first and second

arc stopper plates

13 and 34 is half the axial length of the drive ring 31, and thus, can rotate only 180 degrees when turning.

The section of the valve rod 2 is cylindrical, a driving block 22 with a waist-shaped section is formed at the end part of the valve rod 2, a limit hole 312 with a waist shape is formed in the driving ring 31, and the driving block 22 is inserted in the limit hole 312. A U-shaped groove 3112 is formed in one side surface of the end plate 311 away from the sealing ring 32, and an end of the U-shaped groove 3112 penetrates through a side wall of the end plate 311; the handle 4 is an elongated plate, and a rib 42 is integrally formed on one side surface of the edge of the handle 4 close to the end plate 311, and the rib 42 is fitted into the U-shaped groove 3112 at one end close to the first fixing hole 41. Thus, the handle head 3 can be driven to rotate by the handle 4. Meanwhile, the strength of the handle 4 is increased to a certain extent through the arranged convex ribs 42, so that the handle 4 is more durable and has longer service life.

The convex edge 42 is integrally formed with a curled edge 421 from one side far away from the handle 4 to the middle side, and when the handle 4 is manufactured, the inner curled edge is manufactured, so that the strength of the handle 4 is increased to a certain extent, and simultaneously, the ergonomic shape is met.

Finally, in design, the handle head 3 is made of plastic material, and the handle 4 is made of metal material. Handle head 3 department is stained with water easily, wets easily, through adopting plastics material, and it is difficult to oxidation corrosion, uses handle 4 stronger. And handle 4 adopts the metal material, and the metal material is compared in 4 intensity of plastics handle higher, and is stronger at the in-process life of frequent operation.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a ball valve, includes valve body (1), rotates to set up valve rod (2) that control is carried out to valve body (1) inner valve core on valve body (1), its characterized in that: the valve rod assembly is characterized by further comprising a handle head (3) which is arranged on the valve rod (2) and can synchronously rotate with the valve rod (2), and a handle (4) which is detachably connected to one end, far away from the valve rod (2), of the handle head (3), wherein the handle (4) can drive the handle head (3) to rotate; the handle head (3) is made of corrosion-resistant materials.

2. The ball valve according to claim 1, wherein: a limiting cylinder (11) is arranged on the outer side of the valve body (1) and around the valve rod (2) in a surrounding mode, and a sealing groove (12) is formed between the limiting cylinder (11) and the valve rod (2);

the handle head (3) comprises a driving ring (31) which can be sleeved on the valve rod (2) to drive the valve rod (2) to rotate, and a sealing ring (32) which is integrally formed at one end of the driving ring (31) in the axial direction and is inserted into the sealing groove (12);

the end, far away from sealing ring (32), of driving ring (31) can be dismantled and connect handle (4), first fixed orifices (41) have been seted up to handle (4) one end, the end that the sealing ring (32) was kept away from in driving ring (31) is formed with end plate (311), second fixed orifices (3111) have been seted up on end plate (311) the tip of valve rod (2) is seted up screw hole (21), passes first fixed orifices (41), second fixed orifices (3111) and screw hole (21) through a screw rod in proper order and connects the three fixedly.

3. The ball valve of claim 2, wherein: a first arc-shaped limiting plate (13) is integrally formed on one end face, far away from the valve body (1), of the limiting cylinder (11) along the axis direction;

the outer diameter of the driving ring (31) is larger than that of the sealing ring (32), a first step (33) is formed between the driving ring (31) and the sealing ring (32), and a second arc-shaped limit plate (34) is integrally formed on the first step (33); the second arc limiting plate (34) is staggered with the first arc limiting plate (13), and when the first arc limiting plate (13) is abutted against one end of the arc length of the second arc limiting plate (34), the valve body (1) is completely opened or closed.

4. The ball valve of claim 2, wherein: a seal ring (121) is fitted into the seal groove (12); the seal ring (32) abuts against the seal ring (121).

5. The ball valve according to claim 3, wherein: the section of the valve rod (2) is cylindrical, a driving block (22) with a waist-shaped section is formed at the end part of the valve rod (2), a waist-shaped limiting hole (312) is formed in the driving ring (31), and the driving block (22) is inserted in the limiting hole (312).

6. The ball valve of claim 2, wherein: a U-shaped groove (3112) is formed in one side face, away from the sealing ring (32), of the end plate (311), and the end portion of the U-shaped groove (3112) penetrates through the side wall of the end plate (311);

the handle (4) is a strip-shaped plate, the edge of the handle (4) is located on one side face, close to the end plate (311), of the integrally-formed convex rib (42), and the convex rib (42) is embedded in the U-shaped groove (3112) at one end close to the first fixing hole (41).

7. The ball valve according to claim 1, wherein: the handle head (3) is made of plastic materials.

8. The ball valve according to claim 1, wherein: the handle (4) is made of metal materials.

9. The ball valve of claim 6, wherein: a curled edge (421) is integrally formed on one side of the convex rib (42) far away from the handle (4) to the middle side.