CN212718124U

CN212718124U - Manual ball valve

Info

Publication number: CN212718124U
Application number: CN202021359165.5U
Authority: CN
Inventors: 张文彬; 王愈
Original assignee: Taizhou Sujie Valve Co ltd
Current assignee: Taizhou Sujie Valve Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-03-16
Anticipated expiration: 2030-07-13

Abstract

The utility model provides a manual ball valve belongs to valve manufacturing technical field. The valve rod of the existing ball valve solves the problem of inconvenient directional flow limiting on the valve body. This manual ball valve includes the valve rod and is the valve body of rectangle form, and the outer end of valve rod has rectangle axial extension, and the axial cover is equipped with the spacing ring on the rectangle axial extension, and the arc spacing groove has been seted up to the edge part of spacing ring, and the up end of valve body has linked firmly spacing post, and spacing post is in the arc spacing inslot that corresponds, and when the spacing ring when valve rod circumferential direction, the cooperation is supported to the both ends cell wall of this spacing post and the arc spacing groove that corresponds. The utility model has the advantages of reasonable design, simply, can conveniently control the rotation angle of valve rod on the valve body through changing the spacing ring, can carry out directional current-limiting fast, convenient to use, structural stability is high, long service life.

Description

Manual ball valve

Technical Field

The utility model belongs to the technical field of the valve is made, a manual ball valve is related to.

Background

The ball valve is mainly used as a regulating valve in a pipeline for cutting off, distributing and changing the flow direction of a medium, can be closed tightly only by rotating 90 degrees and a small rotating torque, but the recent development has designed the ball valve to have the functions of throttling and controlling the flow, and the ball valve is widely applied to various departments of petroleum, chemical engineering, power generation, papermaking, atomic energy, aviation, rockets and the like, and in daily life of people.

For example, chinese patent literature discloses a ball valve [ application number: 201920462526. X; authorization notice number: CN209688234U ], which comprises: the valve body is provided with a water inlet pipe joint and a water outlet pipe joint which are axially distributed and are mutually communicated, the valve body is internally provided with a valve core, the valve body is also provided with a valve seat, a valve rod which is in sealing fit with the valve seat is penetrated in the valve seat, the lower end of the valve rod is connected with the valve core, the upper end of the valve rod extends out of the valve seat, the end part of the upper end of the valve rod is provided with a handle which can drive the valve rod to circumferentially rotate, the valve seat is also vertically and upwards provided with a backer, the outer wall of the base circle part is also radially provided with a reference bulge, and the outer wall of the operating rod I is also provided, when the handle rotates in the circumferential direction to enable the reference bulge to be opposite to the radial direction of the backrest, and the valve core is opened to enable the water inlet pipe joint and the water outlet pipe joint to flow through, when the handle rotates in the circumferential direction to enable the backer to abut against the clamping notch in the circumferential direction, the valve core is closed to enable the water inlet pipe joint and the water outlet pipe joint to cut off the flow.

In foretell structure, the rotation of this valve rod makes the case open or the case is closed, carries out spacing cooperation through the reference arch that sets up on the valve rod, screens breach and the backer of disk seat, but the fixed setting of reference arch, screens breach and valve rod on this valve rod, inconvenient directional current-limiting, the not good limit control of the rotation angle of valve rod on the valve body, it is inconvenient to use.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, spacing ring can dismantle on the valve rod and link firmly, can be through changing spacing ring directional current-limiting, convenient to use's manual ball valve.

The purpose of the utility model can be realized by the following technical proposal: a manual ball valve comprises a valve rod and a rectangular valve body, wherein pipe joints are detachably, hermetically and fixedly connected to two opposite end faces of the valve body, the two pipe joints are detachably arranged on the valve body and form a valve cavity with the valve body, a valve core is arranged in the valve cavity of the valve body, the valve rod penetrates through the upper end face of the valve body and is vertically distributed with the two pipe joints, the valve rod is in rotating fit with the valve body, the inner end of the valve rod extends into the valve cavity to be connected with the valve core, and the outer end of the valve rod extends out of the valve body to be connected with a handle, the manual ball valve is characterized in that the outer end of the valve rod is provided with a rectangular axial extension part on which a limiting ring is axially sleeved, an arc-shaped limiting groove is formed in the edge part of the limiting ring, a limiting column is fixedly connected to the upper end face of the valve body and is positioned in the corresponding arc, the two end groove walls of the limiting column and the corresponding arc-shaped limiting groove are abutted and matched.

The edge part of the limiting ring is provided with an arc-shaped limiting groove, the rotation angle of the valve rod is limited by the abutting fit of the arc-shaped limiting groove and the limiting column, and the limitation of the rotation angle of the valve rod on the valve body can enable the valve core and the valve body to be matched for directional current limiting; when the limit ring rotates along with the valve rod, the groove wall and the limit column at one end of the arc-shaped limit groove of the limit ring abut against each other, the valve rod opens the valve core to enable the two pipe joints to flow through, when the limit ring rotates along with the valve rod, the groove wall and the limit column at the other end of the arc-shaped limit groove of the limit ring abut against each other, and the valve rod closes the valve core to enable the two pipe joints to cut off. The arc-shaped limiting grooves formed in the edge portions of different limiting rings are different in length, different limiting rings can be selected according to needs, the rotating angle of the valve rod on the valve body is limited by replacing the limiting rings, the valve body can conduct directional current limiting rapidly, and use is convenient.

In the manual ball valve, the limiting ring is provided with a rectangular assembly hole, the size and the shape of the rectangular axial extension part of the valve rod are matched with the rectangular assembly hole of the limiting ring, and the limiting ring is axially sleeved on the rectangular axial extension part of the valve rod through the rectangular assembly hole. The limiting ring is sleeved on the rectangular axial extension part of the valve rod through the rectangular assembling hole, and the limiting ring and the valve rod are circumferentially limited, so that the limiting ring rotates along with the valve rod.

In the above manual ball valve, the radian of the arc-shaped limiting groove of the limiting ring is ninety degrees, the groove walls at the two ends of the arc-shaped limiting groove of the limiting ring are arc-shaped walls, and the radians of the groove walls at the two ends of the arc-shaped limiting groove of the limiting ring and the radians of the limiting columns are arranged in the same way. The purpose that sets up like this is the cell wall at the both ends that makes the arc spacing groove of spacing ring and the outer wall adaptation of spacing post, and when the cell wall at the both ends of the arc spacing groove of spacing ring and spacing post support and lean on the cooperation, the cell wall at the both ends that makes the arc spacing groove of spacing post and spacing ring corresponds the matching, prevents that the cell wall at the both ends of the arc spacing groove of spacing ring from supporting to lean on in spacing post all to support and lean on the clearance, and structural stability is good.

In foretell manual ball valve, the one end tip of handle cup joint the portion, cup joint the portion and go up to have the rectangle and lead to the groove, size, the shape adaptation of the rectangle axial extension of this rectangle logical groove and valve rod, this handle overlaps through the rectangle logical groove cover and establishes on the rectangle axial extension of valve rod, the cup joint portion of handle be located the upper end of spacing ring and axial support and lean on in the spacing ring and prevent the axial float of spacing ring on the rectangle axial extension of valve rod, handle and valve rod between be provided with the spacing assembly structure that prevents the cup joint portion axial float of handle on the rectangle axial extension of valve rod. The rectangular axial extension part of the outer end of the limiting ring is sleeved with the sleeving part of the handle, the sleeving part is used for limiting the axial movement of the limiting ring on the rectangular axial extension part, and the limiting ring is high in structural stability and long in service life.

In a foretell manual ball valve, spacing assembly structure include bolt and annular spacing pad, the outer terminal surface of rectangle axial extension set up the connecting hole, annular spacing pad cover establish on the bolt, this bolt screwed connection is in the connecting hole of rectangle axial extension, this annular spacing pad axial supports to prevent to cup joint the portion axial float on rectangle axial extension in the portion of cup jointing of handle. The purpose of setting up like this is to make things convenient for the handle to assemble on the valve rod, and the assembly structure is stable, long service life on the rectangle axial extension of valve rod is gone up to the portion of cup jointing of handle.

In foretell manual ball valve, the inner of two coupling all set firmly the ring packing, can dismantle when two couplings and install on the valve body, the ring packing that sets up the inner at two couplings relatively distributes in the valve pocket of valve body, this case lies in between two ring packing and supports to lean on sealed cooperation with two ring packing. The purpose of setting up like this is to ensure the sealed validity between case and two coupling, and structural stability is high, long service life.

In the above manual ball valve, the inner ends of the two pipe joints are respectively provided with an annular assembling groove, the annular sealing ring is provided with an axial assembling protrusion, and the annular sealing ring is fixedly assembled in the annular assembling groove of the corresponding pipe joint through the axial assembling protrusion. The purpose of this is: ensure that the axial of ring type seal to lean on the effort, can ensure that two ring type seal and the supporting of case are sealed, stable in structure.

Compared with the prior art, the manual ball valve has the advantages that: structural design is reasonable, simple, can conveniently control the rotation angle of valve rod on the valve body through changing the spacing ring, can carry out directional current-limiting fast, convenient to use, structural stability is high, long service life.

Drawings

Fig. 1 is a schematic perspective view of the manual ball valve.

Fig. 2 is a schematic sectional view of the manual ball valve.

In the figure, 1, a valve rod; 2. a valve body; 3. a pipe joint; 4. a valve core; 5. a handle; 6. a rectangular axial extension; 7. a limiting ring; 8. an arc-shaped limiting groove; 9. a limiting column; 10. an arcuate wall; 11. a socket joint part; 12. a bolt; 13. an annular limiting pad; 14. an annular seal ring; 15. and (4) axially assembling the protrusion.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figures 1 and 2, the manual ball valve mainly comprises a valve rod 1 and a rectangular valve body 2, wherein two opposite end faces of the valve body 2 are detachably and hermetically fixedly connected with pipe joints 3, the two pipe joints 3 are detachably arranged on the valve body 2 and form a valve cavity with the valve body 2, a valve core 4 is arranged in the valve cavity of the valve body 2, the valve rod 1 penetrates through the upper end face of the valve body 2 and is vertically distributed with the two pipe joints 3, the valve rod 1 is in rotary fit with the valve body 2, the inner end of the valve rod 1 extends into the valve cavity and is connected with the valve core 4, the outer end of the valve rod 1 extends out of the valve body 2 and is connected with a handle 5, the outer end of the valve rod 1 is provided with a rectangular axial extension part 6, a limit ring 7 is axially sleeved on the rectangular axial extension part 6, an arc-shaped limit groove 8 is arranged on the edge part of the limit ring 7, when the limiting ring 7 rotates along with the valve rod 1 in the circumferential direction, the limiting column 9 and the two end groove walls of the corresponding arc-shaped limiting groove 8 are abutted and matched. In actual manufacturing, the specific assembly structure of the limiting ring 7 and the rectangular axial extension 6 of the valve rod 1 is as follows: rectangular assembly holes are formed in the limiting ring 7, the size and the shape of the rectangular axial extension portion 6 of the valve rod 1 are matched with the rectangular assembly holes of the limiting ring 7, and the limiting ring 7 is axially sleeved on the rectangular axial extension portion 6 of the valve rod 1 through the rectangular assembly holes. The limiting ring 7 is axially detachably assembled and connected with the rectangular axial extension part 6 of the valve rod 1; in actual manufacturing, the radian of the arc-shaped limiting groove 8 of the limiting ring 7 is ninety degrees, the groove walls at the two ends of the arc-shaped limiting groove 8 of the limiting ring 7 are arc-shaped walls 10, and the radians of the groove walls at the two ends of the arc-shaped limiting groove 8 of the limiting ring 7 and the radians of the limiting columns 9 are arranged in the same way.

When actually manufacturing, the end part of one end of the handle 5 is provided with the sleeve joint part 11, the sleeve joint part 11 is provided with a rectangular through groove, the rectangular through groove and the rectangular axial extension part 6 of the valve rod 1 have different sizes and are adaptive to each other in shape, the handle 5 is sleeved on the rectangular axial extension part 6 of the valve rod 1 through the rectangular through groove, the sleeve joint part 11 of the handle 5 is positioned at the upper end of the limit ring 7 and axially abuts against the limit ring 7 to prevent the limit ring 7 from axially moving on the rectangular axial extension part 6 of the valve rod 1, and a limit assembly structure for preventing the sleeve joint part 11 of the handle 5 from axially moving on the rectangular axial extension part 6 of the valve rod 1 is arranged between the handle 5 and the.

During actual manufacturing, the specific implementation mode of the limiting assembly structure is as follows: mainly by bolt 12 and annular spacing pad 13 and constitute, the outer terminal surface of rectangle axial extension 6 sets up the connecting hole, and annular spacing pad 13 cover is established on bolt 12, and this bolt 12 screwed connection is in the connecting hole of rectangle axial extension 6, and this annular spacing pad 13 axial supports to prevent to overlap joint portion 11 and prevent that the portion 11 that overlaps from moving on rectangle axial extension 6 in the portion 11 that overlaps of handle 5.

During actual manufacturing, the inner ends of the two pipe joints 3 are fixedly provided with the annular sealing rings 14, when the two pipe joints 3 are detachably arranged on the valve body 2, the annular sealing rings 14 arranged at the inner ends of the two pipe joints 3 are distributed in the valve cavity of the valve body 2 in a relative manner, and the valve core 4 is positioned between the two annular sealing rings 14 and is abutted against and matched with the two annular sealing rings 14 in a sealing manner; specifically speaking: the inner ends of the two pipe joints 3 are provided with annular assembling grooves, the annular sealing ring 14 is provided with an axial assembling bulge 15, and the annular sealing ring 14 is fixedly assembled in the annular assembling groove of the corresponding pipe joint 3 through the axial assembling bulge 15.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A manual ball valve comprises a valve rod (1) and a rectangular valve body (2), wherein two opposite end faces of the valve body (2) are detachably and hermetically fixedly connected with pipe joints (3), the two pipe joints (3) are detachably arranged on the valve body (2) and form a valve cavity with the valve body (2), a valve core (4) is arranged in the valve cavity of the valve body (2), the valve rod (1) penetrates through the upper end face of the valve body (2) and is vertically distributed with the two pipe joints (3), the valve rod (1) and the valve body (2) are in rotating fit, the inner end of the valve rod (1) extends into the valve cavity and is connected with the valve core (4), the outer end of the valve rod (1) extends out of the valve body (2) and is connected with a handle (5), the manual ball valve is characterized in that the outer end of the valve rod (1) is provided with a rectangular axial extension part (6), and a limit ring (7) is axially sleeved on the rectangular, the edge part of spacing ring (7) seted up arc spacing groove (8), the up end of valve body (2) linked firmly spacing post (9), spacing post (9) be in corresponding arc spacing groove (8), when spacing ring (7) along with valve rod (1) circumferential direction, the both ends cell wall of this spacing post (9) and corresponding arc spacing groove (8) supports to lean on the cooperation.

2. A manual ball valve according to claim 1, wherein the limiting ring (7) is provided with a rectangular assembly hole, the size and shape of the rectangular axial extension portion (6) of the valve rod (1) are matched with the rectangular assembly hole of the limiting ring (7), and the limiting ring (7) is axially sleeved on the rectangular axial extension portion (6) of the valve rod (1) through the rectangular assembly hole.

3. A manual ball valve according to claim 2, wherein the radian of the arc-shaped spacing groove (8) of the spacing ring (7) is ninety degrees, the groove walls at the two ends of the arc-shaped spacing groove (8) of the spacing ring (7) are arc-shaped walls (10), and the radian of the groove walls at the two ends of the arc-shaped spacing groove (8) of the spacing ring (7) is the same as that of the spacing post (9).

4. A manual ball valve according to claim 3, characterized in that one end of said handle (5) is provided with a socket portion (11), said socket portion (11) is provided with a rectangular through groove, the rectangular through groove is matched with the rectangular axial extension part (6) of the valve rod (1) in size and shape, the handle (5) is sleeved on the rectangular axial extension part (6) of the valve rod (1) through the rectangular through groove, the sleeve joint part (11) of the handle (5) is positioned at the upper end of the limit ring (7) and axially abutted against the limit ring (7) to prevent the limit ring (7) from axially moving on the rectangular axial extension part (6) of the valve rod (1), and a limiting assembly structure for preventing the sleeve joint part (11) of the handle (5) from axially moving on the rectangular axial extension part (6) of the valve rod (1) is arranged between the handle (5) and the valve rod (1).

5. A manual ball valve according to claim 4, wherein the limiting assembly structure comprises a bolt (12) and an annular limiting pad (13), a connecting hole is formed in the outer end face of the rectangular axial extension portion (6), the annular limiting pad (13) is sleeved on the bolt (12), the bolt (12) is screwed into the connecting hole of the rectangular axial extension portion (6), and the annular limiting pad (13) is axially abutted against the sleeve portion (11) of the handle (5) to prevent the sleeve portion (11) from axially shifting on the rectangular axial extension portion (6).

6. A manual ball valve according to claim 5, characterized in that the inner ends of the two pipe joints (3) are fixedly provided with annular sealing rings (14), when the two pipe joints (3) are detachably arranged on the valve body (2), the annular sealing rings (14) arranged at the inner ends of the two pipe joints (3) are distributed oppositely in the valve cavity of the valve body (2), and the valve core (4) is positioned between the two annular sealing rings (14) and is abutted against and in sealing fit with the two annular sealing rings (14).

7. A manual ball valve according to claim 6, characterized in that the inner ends of said two pipe connectors (3) are provided with annular fitting grooves, said annular sealing ring (14) is provided with axial fitting protrusions (15), and said annular sealing ring (14) is fixedly fitted in the annular fitting groove of the corresponding pipe connector (3) by means of the axial fitting protrusions (15).