CN203453465U - Sealing nut - Google Patents
Sealing nut Download PDFInfo
- Publication number
- CN203453465U CN203453465U CN201320569851.9U CN201320569851U CN203453465U CN 203453465 U CN203453465 U CN 203453465U CN 201320569851 U CN201320569851 U CN 201320569851U CN 203453465 U CN203453465 U CN 203453465U
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- CN
- China
- Prior art keywords
- sealing
- nut body
- nut
- ring
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a sealing nut. The sealing nut comprises a nut body, wherein a groove is formed in one end of a compacting face of the nut body; a sealing ring with one end which is matched and sealed with a valve seat is embedded into the groove; the axial section of the groove is in a reversed ladder shape; one part, which protrudes out of the compacting face of the nut body, of the sealing ring is provided with a positioning bulge for preventing the sealing ring from being released from the nut body; an inner ring of the sealing ring is adaptive to a bolt. The sealing nut has the advantages that the groove which is formed in on end of the compacting face of the nut body is in the reversed ladder shape; one part, which protrudes out of the compacting face of the nut body, of the sealing ring is provided with the positioning bulge for preventing the sealing ring from being released from the nut body, so that the sealing ring can be effectively prevented from being released from the groove; meanwhile, the inner ring of the sealing ring is adaptive to the bolt so that the sealing ring and the bolt are clamped to be sealed after the sealing nut is compacted; bidirectional sealing is formed by sealing the valve seat and the sealing ring so that the sealing performance is good.
Description
Technical field
The utility model relates to a kind of sealing nut.
Background technique
Sealing nut is a kind of Sealing that is usually used in hydraulic equipment or pneumatic compression devices.Existing sealing nut comprises nut body, in nut body inner ring, offers groove, adhesive sealing circle in groove.This sealing nut is in the vibrational state of hydraulic equipment or pneumatic compression devices work, and its seal ring and groove easily depart from, and causes the sealing between seal ring and bolt to occur careless mistake, easily causes pressure release, urgently improves.
Model utility content
Technical problem to be solved in the utility model is that good seal performance, seal ring and nut body are difficult for the sealing nut departing from.
The utility model solves the problems of the technologies described above adopted technological scheme: a kind of sealing nut, comprise nut body, one end at nut body seal face offers groove, in groove, be inlaid with the seal ring of one end and valve seat fitted seal, the axial cross section of described groove is inverted ladder-shaped, and the part of the outstanding nut body seal face of described seal ring is provided with for preventing that seal ring from departing from the positioning convex of nut body; Inner ring and the bolt of described seal ring are suitable.
As preferably, the sealing surface that described seal ring coordinates with valve seat is folding face, and the top of folding face is ring, and outer ring is round platform inclined-plane.It is all applicable when the bolt hole openings end of valve seat is inclined-plane or plane.
Compared with prior art, the utility model has the advantage of that the groove that one end of nut body seal face is offered is inverted ladder-shaped, and the part of the outstanding nut body seal face of seal ring is provided with for preventing that seal ring from departing from the positioning convex of nut body, can effectively prevent that seal ring from departing from from groove; Make inner ring and the bolt of seal ring suitable, after press seal nut, seal ring and bolt locking form sealing simultaneously, form two way sealed with valve seat and seal ring sealing, and sealability is better.
Accompanying drawing explanation
Fig. 1 is the sectional view after the utility model and valve seat assembling.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
The present embodiment as shown is a kind of sealing nut, comprise nut body 1, one end at nut body 1 seal face offers groove 11, in groove 11, be inlaid with the seal ring 2 of one end and valve seat 4 fitted seal, the axial cross section of groove 11 is inverted ladder-shaped, and the part of seal ring 2 outstanding nut body seal faces is provided with for preventing that seal ring from departing from the positioning convex 21 of nut body; The inner ring of seal ring 2 and bolt 3 are suitable.
In this enforcement, the sealing surface that seal ring 2 coordinates with valve seat 4 is folding face, and the top of folding face is annular, and outer ring is round platform inclined-plane, and the angle between two oblique lines on round platform inclined-plane is 110 ° or 120 °.Positioning convex 21 can be the double wedge of annulus or the distribution of a plurality of even circumferential.Nut body 1 can adopt SWCH35K to make, and seal ring 2 can be made by PA11.
Claims (2)
1. a sealing nut, comprise nut body, one end at nut body seal face offers groove, in groove, be inlaid with the seal ring of one end and valve seat fitted seal, it is characterized in that: the axial cross section of described groove is inverted ladder-shaped, the part of the outstanding nut body seal face of described seal ring is provided with for preventing that seal ring from departing from the positioning convex of nut body; Inner ring and the bolt of described seal ring are suitable.
2. sealing nut according to claim 1, is characterized in that: the sealing surface that described seal ring coordinates with valve seat is folding face, and the top of folding face is ring, and outer ring is round platform inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320569851.9U CN203453465U (en) | 2013-09-11 | 2013-09-11 | Sealing nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320569851.9U CN203453465U (en) | 2013-09-11 | 2013-09-11 | Sealing nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203453465U true CN203453465U (en) | 2014-02-26 |
Family
ID=50133341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320569851.9U Expired - Fee Related CN203453465U (en) | 2013-09-11 | 2013-09-11 | Sealing nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203453465U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339428A (en) * | 2017-09-03 | 2017-11-10 | 宁波东湖液压传动有限公司 | A kind of sealing structure |
| CN107366658A (en) * | 2017-09-03 | 2017-11-21 | 宁波东湖液压传动有限公司 | A kind of plunger |
| CN107448603A (en) * | 2017-09-03 | 2017-12-08 | 宁波东湖液压传动有限公司 | A kind of piston rod |
| CN107575574A (en) * | 2017-09-03 | 2018-01-12 | 宁波东湖液压传动有限公司 | Plunger |
| CN107687459A (en) * | 2017-09-03 | 2018-02-13 | 宁波东湖液压传动有限公司 | Piston rod |
-
2013
- 2013-09-11 CN CN201320569851.9U patent/CN203453465U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339428A (en) * | 2017-09-03 | 2017-11-10 | 宁波东湖液压传动有限公司 | A kind of sealing structure |
| CN107366658A (en) * | 2017-09-03 | 2017-11-21 | 宁波东湖液压传动有限公司 | A kind of plunger |
| CN107448603A (en) * | 2017-09-03 | 2017-12-08 | 宁波东湖液压传动有限公司 | A kind of piston rod |
| CN107575574A (en) * | 2017-09-03 | 2018-01-12 | 宁波东湖液压传动有限公司 | Plunger |
| CN107687459A (en) * | 2017-09-03 | 2018-02-13 | 宁波东湖液压传动有限公司 | Piston rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20150911 |
|
| EXPY | Termination of patent right or utility model |