CN217475581U

CN217475581U - Wedge type valve grinding tool

Info

Publication number: CN217475581U
Application number: CN202123448001.7U
Authority: CN
Inventors: 王国军; 花晓兴; 许家刚
Original assignee: Neway Valve Suzhou Co Ltd
Current assignee: Neway Valve Suzhou Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-09-23
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to the technical field of valves, a wedge type valve grinds frock is provided, include: a positioning component having a positioning surface; and the grinding assembly comprises at least one grinding piece and a driving piece, wherein the driving piece and the medium channel are coaxially arranged, the grinding piece is suitable for being attached to the sealing surface of the valve body, the driving piece is driven by an upward driving force and is suitable for rotating relative to the medium channel and driving the grinding piece to rotate relative to the sealing surface, and the grinding piece is suitable for grinding the sealing surface in the rotating process. Will grind the sealed face laminating of piece and valve body, the driving piece is connected with grinding the piece, and the ascending drive power of direction is exerted to the driving piece for grind the tendency that a sealed face can the upward movement relatively, and can sealed face relatively rotate, realize the effect to the grinding of sealed face, and with the coaxial setting of driving piece and medium channel, can effectively avoid the driving piece at the pivoted in-process, take place to interfere with the valve body passageway.

Description

Wedge type valve grinds frock

Technical Field

The utility model relates to the technical field of valves, concretely relates to wedge type valve grinds frock.

Background

For the upper wedge ball valve, in order to ensure the sealing between the valve seat and the valve body plane, the wedge sealing surface of the valve body is often ground. For valves with diameters of more than 50 diameters of pipelines, the valves can be ground by a grinding tool of a conventional wedge gate valve seat ring, as shown in fig. 2, a grinding rod 4 applies a downward force to a grinding surface to grind a sealing surface, but when a small-diameter wedge ball valve with a diameter of 50 or less of the pipelines is ground, if the tool is still used for grinding a valve body sealing surface with a small diameter of 50 or less of the pipeline diameter, the problem of interference between the grinding rod 4 and a valve body channel 5 can occur, as shown in a part a in fig. 2, after the grinding rod 4 is interfered with the valve body channel 5, the inner wall surface of the valve body channel 5 can be abraded, and the sealing surface can not be well ground.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the grinding frock among the prior art when grinding the abrasive surface, grind the pole and apply decurrent power to the abrasive surface, in order to grind sealed face, but when grinding the small-bore wedge ball valve below 50 to pipeline diameter, if still utilize this frock to grind the valve body sealing face of the small-bore below 50 pipeline diameter, can appear grinding the problem that pole and valve body passageway interfere, like A position in fig. 2, after grinding the pole and valve body passageway interfere, can cause wearing and tearing to the internal face of valve body passageway, and can't carry out the defect of good grinding to sealed face, thereby provide a wedge valve grinding frock.

The utility model provides a wedge valve grinds frock, includes: the positioning assembly is provided with a positioning surface and used for positioning the valve body; the grinding assembly comprises at least one grinding piece and a driving piece, wherein the driving piece is connected with the grinding piece in a one-to-one correspondence mode, the driving piece and the medium channel are coaxially arranged, the grinding piece is suitable for being attached to a sealing surface of the valve body, the driving piece is driven by upward driving force and is suitable for rotating relative to the medium channel and driving the grinding piece to rotate relative to the sealing surface, and in the rotating process, the grinding piece is suitable for grinding the sealing surface.

Optionally, in the above wedge valve grinding tool, the grinding member has a grinding surface, and the grinding surface is attached to the sealing surface.

Optionally, in the wedge valve grinding tool, the positioning assembly includes a base and a positioning leaning piece, and a bottom surface of the positioning leaning piece is suitable for being connected with a top surface of the base;

the base is provided with a first inclined surface with an inclined angle, the positioning leaning piece is provided with a second inclined surface with an inclined angle, and the first inclined surface and the second inclined surface are vertically arranged to form the positioning surface;

one side of the valve body is suitable for being attached to the first inclined surface, and the other side adjacent to the first inclined surface is suitable for being attached to the second inclined surface, so that the valve is located and installed on the locating surface.

Optionally, in the wedge valve grinding tool, an inclination angle of the first inclined plane is the same as an inclination angle of the second inclined plane.

Optionally, in the wedge valve grinding tool, an inclination angle of the second inclined plane and the second inclined plane with respect to the horizontal direction is 5 °.

Optionally, in the wedge valve grinding tool, the positioning leaning piece is provided with a protruding portion, a central shaft of the protruding portion is perpendicular to the second inclined surface, and the other surface of the valve body is suitable for being clamped on the protruding portion to complete positioning of the valve body.

Optionally, in the above wedge type valve grinding tool, the driving member is in threaded connection with the grinding member.

Optionally, in the above wedge valve grinding tool, the grinding tool further includes an abrasive material, and the abrasive material is suitable for being placed between the grinding surface and the sealing surface, and is used for grinding the sealing surface.

Optionally, in the above wedge valve grinding tool, the abrasive is sandpaper.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a pair of wedge type valve grinds frock, include: the positioning assembly is provided with a positioning surface and used for positioning the valve body; the grinding assembly comprises at least one grinding piece and a driving piece, the driving piece is connected with the grinding piece in a one-to-one correspondence mode, the driving piece and the medium channel are coaxially arranged, the grinding piece is suitable for being attached to the sealing face of the valve body, the driving piece is driven by upward driving force and suitable for rotating relative to the medium channel and driving the grinding piece to rotate relative to the sealing face, and in the rotating process, the grinding piece is suitable for grinding the sealing face.

In the wedge type valve grinding tool with the structure, a grinding part is attached to a sealing surface of a valve body, a driving part is connected with the grinding part, the driving part applies driving force in the upward direction, the grinding part can move upwards relative to the sealing surface, the sealing surface can rotate relative to the sealing surface, the grinding effect on the sealing surface is realized, the driving part and a medium channel are coaxially arranged, the driving part can be effectively prevented from rotating in the process, the interference with the valve body channel is caused, the defect that the inner wall surface of the valve body channel is abraded is caused, the wedge type valve grinding tool is suitable for small space sizes with the diameter of a pipeline being smaller than 50, and the sealing surface can be well ground.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the grinding tool of the present invention;

FIG. 2 is a schematic structural diagram of a grinding tool in the prior art;

description of the reference numerals:

1. a positioning assembly; 11. a base; 121. a first inclined surface;

13. positioning the backing member; 131. a second inclined surface; 132. a boss portion;

2. a valve body; 21. a media channel; 22. a sealing surface;

3. a grinding assembly; 31. a grinding member; 32. a drive member;

4. a grinding rod; 5. a valve body passage.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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 description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Examples

The embodiment describes a wedge valve grinding tool, referring to fig. 1, the grinding tool is used to grind a sealing surface 22 of a wedge valve, the grinding tool comprises a positioning assembly 1 and a grinding assembly 3, wherein the positioning assembly 1 has a positioning surface, the valve body 2 is positioned by the positioning surface, so that the sealing surface 22 of the valve body 2 forms an inclined angle with the horizontal direction, the grinding assembly 3 is used to grind the sealing surface 22 in the inclined state, the grinding assembly 3 comprises at least one grinding member 31 and a driving member 32, the driving member 32 is connected with the grinding member 31 in a one-to-one correspondence, wherein the driving member 32 is coaxially arranged with a medium channel 21, the grinding member 31 is suitable for being attached to the sealing surface 22 of the valve body 2, an upward driving force is applied to the driving member 32, and the driving member 32 can perform a rotational motion relative to the medium channel 21 to drive the grinding member 31 to perform a rotational motion relative to the sealing surface 22, the grinding member 31 is adapted to grind the sealing surface 22 during rotation.

Specifically, the driving member 32 is a driving rod, the polishing member 31 has a polishing surface, the polishing surface is attached to the sealing surface 22, the driving rod is forced upward, the polishing member 31 tends to move upward, and the driving rod rotates relative to the medium passage 21, so that the polishing surface of the polishing member 31 can rub against the sealing surface 22, and the sealing surface 22 is polished.

In this embodiment, will grind the piece 31 and laminate with the sealed face 22 of valve body 2, driving piece 32 is connected with grinding piece 31, apply the ascending drive power of direction to driving piece 32, make grinding piece 31 can have upward movement's trend relative to sealed face 22, and can rotate relative to sealed face 22, the effect of the grinding to sealed face 22 is realized, and with driving piece 32 and the coaxial setting of medium passageway 21, can effectively avoid driving piece 32 at the pivoted in-process, take place to interfere with valve body 2 passageway, lead to causing the defect of wearing and tearing to the internal wall face of valve body 2 passageway, be applicable to the little space size that the pipeline diameter is less than 50, and can carry out good grinding to sealed face 22.

In this embodiment, the positioning assembly 1 includes a base 11 and a positioning support 13, wherein a bottom surface of the positioning support 13 is adapted to be connected to a top surface of the base 11, the base 11 has a first inclined surface 121 with an inclined angle, the positioning support 13 has a second inclined surface 131 with an inclined angle, the first inclined surface 121 and the second inclined surface 131 are perpendicularly disposed to form the positioning surface, one surface of the valve body 2 is adapted to be attached to the first inclined surface 121, and another surface adjacent to the first inclined surface is adapted to be attached to the second inclined surface 131, so as to position and mount the valve body 2 on the positioning surface.

Specifically, the inclination angle of the first inclined surface 121 may be set to be the same as the inclination angle of the second inclined surface 131, for example, the inclination angles of the second inclined surface 131 and the second inclined surface 131 with respect to the horizontal direction may be set to 5 °, the inclination angle of the sealing surface 22 itself of the wedge valve may be set to 5 °, the inclination angle of the sealing surface 22 with respect to the horizontal direction may be 10 ° after the valve body 2 is positioned on the positioning surface, and the inclination angle of the grinding surface with respect to the horizontal direction may be the same as the inclination angle of the sealing surface 22 with respect to the horizontal direction.

In this embodiment, the positioning support 13 further has a protrusion 132, the protrusion 132 is disposed on the second inclined surface 131, a central axis of the protrusion 132 is perpendicular to the second inclined surface 131, and the other surface of the valve body 2 is adapted to be clamped on the protrusion 132 to complete the positioning of the valve body 2 and stably position the valve.

In this embodiment, threaded connection between above-mentioned actuating lever and the aforesaid grinds the piece 31, convenient to detach and installation, and place the abrasive material between abrasive surface and sealed face 22, increase the frictional force between sealed face and the abrasive surface, be used for grinding sealed face 22, this abrasive material is abrasive paper, threaded connection between this actuating lever and the aforesaid grinding piece 31, convenient to detach and installation, and be convenient for change abrasive materials such as sand skin and adapt to little space size among the grinding process, the rotatory in-process does benefit to abrasive materials such as sand skin and compresses tightly, mill the square groove on grinding frock head part simultaneously, the little spanner of being convenient for is dismantled.

In this embodiment, because the valve bore is less, so can adopt equipment such as drilling machine to grind, perhaps directly hand-held valve body 2 and electronic rifle grind, be particularly useful for the restoration of small batch sealed face 22 to grind. The upward driving force to which the driving member 32 is subjected may be provided manually by a worker.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a wedge valve grinds frock which characterized in that includes:

a positioning assembly (1) having a positioning surface for positioning the valve body (2);

the grinding assembly (3) comprises at least one grinding piece (31) and a driving piece (32), wherein the driving piece (32) is connected with the grinding piece (31) in a one-to-one correspondence mode, the driving piece (32) is coaxially arranged with the medium channel (21), the grinding piece (31) is suitable for being attached to the sealing surface (22) of the valve body (2), the driving piece (32) is driven by an upward driving force and is suitable for rotating relative to the medium channel (21) and driving the grinding piece (31) to rotate relative to the sealing surface (22), and the grinding piece (31) is suitable for grinding the sealing surface (22) in the rotating process.

2. Wedge valve grinding tool according to claim 1, characterized in that the grinding piece (31) has a grinding surface, which is in abutment with the sealing surface (22).

3. The wedge type valve grinding tool according to claim 2, wherein the positioning assembly (1) comprises a base (11) and a positioning leaning piece (13), and the bottom surface of the positioning leaning piece (13) is suitable for being connected with the top surface of the base (11);

the base (11) is provided with a first inclined surface (121) with an inclined angle, the positioning leaning piece (13) is provided with a second inclined surface (131) with an inclined angle, and the first inclined surface (121) and the second inclined surface (131) are vertically arranged to form the positioning surface;

one surface of the valve body (2) is suitable for being attached to the first inclined surface (121), and the other surface adjacent to the surface is suitable for being attached to the second inclined surface (131) so as to position and install the valve on the positioning surface.

4. Wedge valve grinds frock of claim 3, characterized in that, the inclination of first inclined plane (121) is the same with the inclination of second inclined plane (131).

5. The wedge valve grinding tool according to claim 4, wherein the second inclined surface (131) and the second inclined surface (131) are inclined at an angle of 5 ° with respect to the horizontal direction.

6. The wedge type valve grinding tool according to claim 4, wherein a protruding portion (132) is arranged on the positioning leaning piece (13), a central shaft of the protruding portion (132) is perpendicular to the second inclined surface (131), and the other surface of the valve body (2) is suitable for being clamped on the protruding portion (132) to complete positioning of the valve body (2).

7. Wedge valve grinds frock according to claim 4, characterized in that, the driving piece (32) is threaded connection with grinding piece (31).

8. Wedge valve grinding tool according to claim 4, further comprising an abrasive material adapted to be placed between the grinding surface and the sealing surface (22) for grinding the sealing surface (22).

9. The wedge valve grinding tool of claim 8, wherein the abrasive material is sandpaper.