CN106015575A - Half-ring sealing structure for sealing shaft part - Google Patents
Half-ring sealing structure for sealing shaft part Download PDFInfo
- Publication number
- CN106015575A CN106015575A CN201610565472.0A CN201610565472A CN106015575A CN 106015575 A CN106015575 A CN 106015575A CN 201610565472 A CN201610565472 A CN 201610565472A CN 106015575 A CN106015575 A CN 106015575A
- Authority
- CN
- China
- Prior art keywords
- sealing
- ring
- axial
- axial workpiece
- lower house
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/26—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings
- F16J15/28—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings with sealing rings made of metal
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention provides a half-ring sealing structure for sealing a shaft part. The half-ring sealing structure comprises an upper housing, a lower housing, a transition block, a special-shape sealing ring and an axial sealing ring, wherein the axial sealing ring enclasps a step shaft; the special-shape sealing ring is placed in a sealing groove of the upper housing or the lower housing; the transition block is arranged among the upper housing, the lower housing and the step shaft, and is used for smooth transition of a sealing structure part; and hexagonal bolts and hexagonal nuts compress the upper housing and the lower housing, and a sealing cavity is formed. With the adoption of the half-ring sealing structure, the sealing structure part can be formed on the step shaft, and the sealing is reliable. The half-ring sealing structure has the advantages of simple and novel structure, reliable sealing, high adaptability, and the like, can act as a special-shape step shaft to form the sealing cavity for conducting airtight detection, and can also be used for sealing of a rotating shaft in mechanical equipment, such as a gear box.
Description
Technical field
The present invention relates to a kind of sealing structure for sealing axial workpiece, annular seal space can be formed as abnormity Step Shaft
Carry out airtight detection, and the upper and lower casing cut open along axis in the plant equipment such as gear-box and rotary shaft is close
Envelope.
Background technology
The sealing structure of circular hole formula is widely used in the mechanical seal of circular hole shells and axial workpiece, but due to its structure
Restriction, it is impossible to be enough applied to the upper and lower casing cut open along the axis Step Shaft complicated and changeable with structure and seal.Existing
With the presence of semicircle ring seal structure in the catastrophe point of the binding site seal compression of upper shell, lower house and Step Shaft,
Sealing reliably can not be formed, easily produce the problem such as seepage, leakage.Owing to cutting open along axis in engineering design
Upper and lower casing and step axial workpiece exist and seal insecure problem, and designer generally faces away from cutting open along axis
Semicircle ring seal structure, increases the difficulty of engineering design.
Summary of the invention
In order to overcome seal compression catastrophe point that prior art exists at the binding site of upper-lower casing and Step Shaft not
Foot, the present invention provides a kind of half-ring to seal structure, increases transition block, disappear between upper casing, lower house and Step Shaft
Except the seal compression catastrophe point existed between upper-lower casing and Step Shaft, it is achieved that smooth and reliable sealing, structure letter
Single, seal reliable, novel structure, strong adaptability.
The technical solution adopted for the present invention to solve the technical problems is: a kind of half-ring seals structure, including upper shell,
Lower house, transition block, special-shaped seal ring and axial seal ring；Described upper shell and lower house form one after fastening
It is coated with the entirety of axial workpiece to be sealed, the semicircle anchor ring of upper and lower casing and the section plane shape crossing axial workpiece axis
Limit at a right angle, by described right-angle side rounding；Described transition block be three limits be the corner block of circular arc, be positioned over upper casing
Between body, lower house and axial workpiece to be sealed, the shape on three limits is fitted upper shell, lower house and axle to be sealed respectively
Class part；Described axial seal ring is annular seal circle, holds tightly on axial workpiece to be sealed, and with upper lower casing
The semicircle anchor ring of body compresses；Having sealed groove on described upper and lower casing, described sealed groove is along upper and lower shell
Body faying face and the faying face distribution of upper and lower casing and axial workpiece；Abnormity is placed in described sealed groove
Sealing ring.
Described upper shell and lower house are connected by hexagon-headed bolt and hex nut.
Described special-shaped seal ring and axial seal ring use rubber to make；Described upper shell, lower house and transition block
Employing rustless steel is made.
The section shape of described special-shaped seal ring is circular.
The invention has the beneficial effects as follows:
Upper shell and lower house have seal groove, load special-shaped seal ring in seal groove, and axial seal is encircled tight at step
On axle.Upper shell and lower house two special-shaped seal rings of compression, it is achieved reliably seal；Step Shaft and upper (lower) housing
Between by compressing axial sealing ring and special-shaped seal ring, it is achieved reliably seal；Between transition block and upper (lower) housing
Realize reliably sealing by compression special-shaped seal ring；Transition block and Step Shaft realize the closeest by compressing axial sealing ring
Envelope.The sealing structure formed between them does not has the catastrophe point of seal compression, energy between upper-lower casing and Step Shaft
Enough realize round and smooth reliable sealing.
Material is that stainless sealing block pressurized is indeformable, hexagon-headed bolt and nut during compressing upper-lower casing,
Upper and lower shell is known from experience transition block formation lateral compression, and between transition block and Step Shaft, extruding forms seal compression, protects
Demonstrate,prove faying face between each part and all have the sealing that the decrement of continuous uniform is consistent.
Therefore, it is a kind of simple in construction that the heretofore described half-ring sealing axial workpiece seals structure, and sealing can
Lean on, novel structure, adaptable half-ring seal structure.
Accompanying drawing explanation
Fig. 1 is the outline drawing of the assembling structural representation of the present invention；
Fig. 2 is the opposed configuration assembling schematic diagram of the lower house of the present invention, transition block, Step Shaft；
Fig. 3 is that the present invention crosses axis and is perpendicular to the cutting structural representation of upper-lower casing divisional plane；
Fig. 4 is the cutting structural representation that the present invention crosses upper and lower casing divisional plane；
Fig. 5 is the cutting structural representation that the present invention is perpendicular to axis；
Fig. 6 is the lower house structural representation of the present invention；
Fig. 7 is the upper shell structural representation of the present invention；
Fig. 8 is the Step Shaft structural representation of the present invention；
Fig. 9 is the transition block structural representation of the present invention；
Figure 10 is the axial seal ring structure schematic diagram of the present invention；
Figure 11 is the different in nature ring structure schematic diagram of the present invention；
In figure, 1-upper shell, 2-lower house, 3-transition block, 4-special-shaped seal ring, 5-axial seal ring, 6-Step Shaft,
7-hexagon-headed bolt, 8-hex nut.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings, and the present invention includes but are not limited to following embodiment.
As it is shown in figure 1, be the semicircle ring seal structure for sealing axial workpiece of the present invention, i.e. the present invention's is basic
Form, it is by upper shell 1, lower house 2, transition block 3, special-shaped seal ring 4, axial seal ring 5, Step Shaft 6, six
Hex bolt 7 and hex nut 8 form, and upper and lower casing 1 (2) is upper and lower two housings that circular hole is cut open along axis,
The semicircle anchor ring of upper and lower casing 1 (2) and the section plane crossing axis can form a right-angle side, and right-angle side can make close
The decrement sudden change of sealing produces and seals insecure problem, by right-angle side rounding in this structure；Problem 1 (2) up and down
Being designed with sealed groove on the faying face of other parts, be used for placing opposite sex sealing ring 4, material is stainless steel material；
Axial seal ring 5 is the annulus with respective width and thickness, and material is nitrile rubber, holds tightly at Step Shaft 6 during work
On, and compress with the semicircle anchor ring of upper and lower casing 1 (2)；Special-shaped seal ring 4 be cross section be circular, profile imitative upper,
The sealing member of lower house seal groove, is placed in the seal groove of upper shell 1 or lower house 2；Transition block 3 be three limits be circular arc
The corner block having respective thickness, be positioned between upper shell 1, lower house 2 and Step Shaft 6, effect is to fill they it
Between produce space, by about sealing member homogeneous compaction seal.Hexagon-headed bolt 7 and hex nut 8 are by upper shell 1
Compressing with lower house 2, upper shell 1, lower house 2, transition block 3 and Step Shaft 6 mutually extrude axial sealing ring 5 and the opposite sex
Sealing ring 4, makes them be formed and reliably seals.This structure is by increasing transition block 3, between upper and lower casing 1 (2)
Right angle electrical rounding off at faying face, is formed and seals structure reliably.In a word, the present invention uses semicircle ring structures,
Sealing structure can be formed on Step Shaft, reliably seal.
Axial seal ring 5 is held tightly on Step Shaft 6, and special-shaped seal ring 4 is placed on upper shell 1 and the seal groove of lower house 2
In, transition block 3 is positioned between upper shell 1, lower house 2 and Step Shaft 6, seals structure, hexagonal for rounding off
Upper shell 1 and lower house 2 are compressed by hook bolt 7 and hex nut 8, form annular seal space.
This structure there is seal groove on upper shell 1 and lower house 2 faying face, in seal groove, loads special-shaped seal ring 4, axle
Hold tightly on Step Shaft 6 to sealing ring 5.Upper shell 1 and lower house 2 compress two special-shaped seal rings 4, it is achieved reliably seal；
By compressing axial sealing ring 5 and special-shaped seal ring 4 between Step Shaft 6 and upper (lower) housing 1 (2), it is achieved the closeest
Envelope；Realize reliably sealing by compression special-shaped seal ring 4 between transition block 3 and upper (lower) housing 1 (2)；Transition block 3
Realize reliably sealing by compressing axial sealing ring 5 with Step Shaft 6.The sealing structure formed between them is at upper and lower shell
The catastrophe point of seal compression is not had, it is possible to realize round and smooth reliable sealing between body 1,2 and Step Shaft 6.Material is not
The transition block 3 of rust steel is indeformable, and transition block 3 is three corner blocks for circular arc, and profile fit with it upper and lower
The profile of housing 1,2 and Step Shaft 6 thereof is consistent, and hexagon-headed bolt 7 and nut 8 are in the process compressing upper and lower casing 1,2
In, upper and lower casing 1,2 can form lateral pressurization to transition block 3, and between transition block 3 and Step Shaft 6, extruding is formed close
Envelope compression, it is ensured that the decrement between transition block 3 and upper and lower casing 1,2 and Step Shaft 6 thereof is the most reliable.By upper
State the design of structure, it is ensured that between each part, faying face all has a sealing that the decrement of continuous uniform is consistent, thus shape
Become reliable annular seal space.
Claims (4)
1. for sealing a half-ring sealing structure for axial workpiece, including upper shell, lower house, transition block, abnormity
Sealing ring and axial seal ring, it is characterised in that: described upper shell and lower house form a cladding after fastening and treat
Sealing the entirety of axial workpiece, the semicircle anchor ring of upper and lower casing and the section plane crossing axial workpiece axis are formed directly
The arm of angle, by described right-angle side rounding；Described transition block be three limits be the corner block of circular arc, be positioned over upper shell,
Between lower house and axial workpiece to be sealed, the shape on three limits is fitted upper shell, lower house and axle class to be sealed respectively
Part；Described axial seal ring is annular seal circle, holds tightly on axial workpiece to be sealed, and with upper lower casing
The semicircle anchor ring of body compresses；Having sealed groove on described upper and lower casing, described sealed groove is along upper and lower
Housing faying face and the faying face distribution of upper and lower casing and axial workpiece；Place in described sealed groove
Special-shaped seal ring.
Half-ring for sealing axial workpiece the most according to claim 1 seals structure, it is characterised in that: described
Upper shell and lower house be connected by hexagon-headed bolt and hex nut.
Half-ring for sealing axial workpiece the most according to claim 1 seals structure, it is characterised in that: described
Special-shaped seal ring and axial seal ring use rubber make；Described upper shell, lower house and transition block use not
Rust steel is made.
Half-ring for sealing axial workpiece the most according to claim 1 seals structure, it is characterised in that: described
The section shape of special-shaped seal ring be circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610565472.0A CN106015575B (en) | 2016-07-18 | 2016-07-18 | A kind of half-ring sealing structure for being used to seal axial workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610565472.0A CN106015575B (en) | 2016-07-18 | 2016-07-18 | A kind of half-ring sealing structure for being used to seal axial workpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106015575A true CN106015575A (en) | 2016-10-12 |
| CN106015575B CN106015575B (en) | 2018-04-13 |
Family
ID=57119318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610565472.0A Active CN106015575B (en) | 2016-07-18 | 2016-07-18 | A kind of half-ring sealing structure for being used to seal axial workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106015575B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH674764A5 (en) * | 1987-02-02 | 1990-07-13 | Fritz Mueller | Seal for abutting pipes, fittings or housings - has sealing ring between abutting parts, with support bead and radially inward pointing sealing lip |
| DE3917453C1 (en) * | 1989-05-30 | 1990-11-29 | Agintec Ag, Zuerich, Ch | Sealing pipe coupling system - has location ring surrounded by two triangular seal rings |
| CN201973408U (en) * | 2011-03-18 | 2011-09-14 | 池州恒生科技发展有限公司 | Rapid rush-repair device for high pressure resistance pipeline |
| JP2013119939A (en) * | 2011-12-09 | 2013-06-17 | Komei Seisakusho:Kk | Pipe joint integrated with packing |
-
2016
- 2016-07-18 CN CN201610565472.0A patent/CN106015575B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH674764A5 (en) * | 1987-02-02 | 1990-07-13 | Fritz Mueller | Seal for abutting pipes, fittings or housings - has sealing ring between abutting parts, with support bead and radially inward pointing sealing lip |
| DE3917453C1 (en) * | 1989-05-30 | 1990-11-29 | Agintec Ag, Zuerich, Ch | Sealing pipe coupling system - has location ring surrounded by two triangular seal rings |
| CN201973408U (en) * | 2011-03-18 | 2011-09-14 | 池州恒生科技发展有限公司 | Rapid rush-repair device for high pressure resistance pipeline |
| JP2013119939A (en) * | 2011-12-09 | 2013-06-17 | Komei Seisakusho:Kk | Pipe joint integrated with packing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106015575B (en) | 2018-04-13 |
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