CN210890349U - Dedicated graphite packing subassembly on valve rod - Google Patents
Dedicated graphite packing subassembly on valve rod Download PDFInfo
- Publication number
- CN210890349U CN210890349U CN201922063246.4U CN201922063246U CN210890349U CN 210890349 U CN210890349 U CN 210890349U CN 201922063246 U CN201922063246 U CN 201922063246U CN 210890349 U CN210890349 U CN 210890349U
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- China
- Prior art keywords
- graphite packing
- annular
- graphite
- valve rod
- bulge
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Abstract
The utility model discloses a dedicated graphite packing assembly on valve rod, which comprises a plurality of graphite packing bodies, wherein the size and the shape of each graphite packing body are equal, the center of the graphite packing body is provided with a through hole to form an annular graphite packing body, the top surface of the graphite packing body is provided with an annular bulge, and the diameter of the annular bulge is smaller than the annular diameter of the graphite packing body; an annular blocking wall is arranged below the graphite filler body, and an inner bulge matched with the annular bulge is arranged inside the annular blocking wall. The utility model discloses a graphite packing body seal valve body and the valve rod of combination, the compression expansibility of avoiding the graphite packing of combination receives the restriction, makes its sealed face can inseparable effect on valve body and valve rod, utilizes annular arch and inside bellied cooperation moreover, increases the frictional force between each graphite packing body.
Description
Technical Field
The utility model relates to a graphite filler ring field especially relates to a dedicated graphite packing subassembly on valve rod.
Background
The graphite packing ring is a product for sealing, is mainly used on a control valve, is sleeved on a valve rod when in use, and seals the valve body and the valve rod through the graphite packing ring. The valve rod that most adopted on the valve at present seals uses circularly, and the parallel single graphite ring in upper and lower face, upper and lower end adapted graphite packing strip, after graphite strip and upper and lower end packing ring joint compress tightly, the compression expansibility of single graphite ring has received the restriction, and its sealed face can not inseparable effect on valve body and valve rod, influences valve body and valve rod sealing performance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dedicated graphite packing subassembly on valve rod solves foretell problem.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a dedicated graphite packing assembly on valve rod, including a plurality of graphite packing bodies, the size, the shape of each graphite packing body are equal, the graphite packing body that the through-hole formed into the annular is seted up at the center of graphite packing body, be equipped with annular arch on the top surface of graphite packing body, the diameter of annular arch is less than the annular diameter of graphite packing body; an annular blocking wall is arranged below the graphite filler body, and an inner bulge matched with the annular bulge is arranged inside the annular blocking wall.
Furthermore, the graphite filler body is formed by pressing graphite paper.
Further, the shape of the annular bulge and the inner bulge is wave-shaped or triangular.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model discloses a graphite packing body seal valve body and the valve rod of combination, the compression expansibility of avoiding the graphite packing of combination receives the restriction, makes its sealed face can inseparable effect on valve body and valve rod, utilizes annular arch and inside bellied cooperation moreover, increases the frictional force between each graphite packing body.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic structural view of a graphite packing assembly dedicated for use in a valve stem according to the present invention;
FIG. 2 is a top view of a graphite packing assembly dedicated to a valve stem according to the present invention;
FIG. 3 is a bottom view of the graphite packing assembly for use in the valve stem of the present invention;
description of reference numerals: 1. a graphite filler body; 2. a through hole; 3. an annular projection; 4. an annular barrier wall; 5. an inner protrusion.
Detailed Description
As shown in fig. 1 to 3, a graphite packing assembly dedicated for a valve rod includes a plurality of graphite packing bodies 1, each graphite packing body 1 has the same size and shape, and the graphite packing bodies 1 are formed by pressing graphite paper.
The graphite filler body 1 is characterized in that a through hole 2 is formed in the center of the graphite filler body 1 to form a ring-shaped graphite filler body 1, an annular bulge 3 is arranged on the top surface of the graphite filler body 1, and the diameter of the annular bulge 3 is smaller than the ring-shaped diameter of the graphite filler body 1; an annular blocking wall 4 is arranged below the graphite packing body 1, an inner bulge 5 matched with the annular bulge 3 is arranged inside the annular blocking wall 4, and the annular bulge 3 and the inner bulge 5 are wavy or triangular. And superposing the two graphite packing bodies 1 to ensure that the annular bulge 3 is matched with the inner bulge 5.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (3)
1. A dedicated graphite packing subassembly on valve rod which characterized in that: the graphite packing material comprises a plurality of graphite packing bodies (1), wherein each graphite packing body (1) is equal in size and shape, a through hole (2) is formed in the center of each graphite packing body (1) to form the annular graphite packing body (1), an annular bulge (3) is arranged on the top surface of each graphite packing body (1), and the diameter of each annular bulge (3) is smaller than the annular diameter of each graphite packing body (1); the graphite packing is characterized in that an annular blocking wall (4) is arranged below the graphite packing body (1), and an inner bulge (5) matched with the annular bulge (3) is arranged inside the annular blocking wall (4).
2. The specialized graphite packing assembly on a valve stem of claim 1, wherein: the graphite filler body (1) is formed by pressing graphite paper.
3. The specialized graphite packing assembly on a valve stem of claim 1, wherein: the annular bulge (3) and the inner bulge (5) are wavy or triangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063246.4U CN210890349U (en) | 2019-11-26 | 2019-11-26 | Dedicated graphite packing subassembly on valve rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063246.4U CN210890349U (en) | 2019-11-26 | 2019-11-26 | Dedicated graphite packing subassembly on valve rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210890349U true CN210890349U (en) | 2020-06-30 |
Family
ID=71324624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922063246.4U Active CN210890349U (en) | 2019-11-26 | 2019-11-26 | Dedicated graphite packing subassembly on valve rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210890349U (en) |
-
2019
- 2019-11-26 CN CN201922063246.4U patent/CN210890349U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |