CN107990003B - A kind of restorative procedure of backbone sealing ring - Google Patents
A kind of restorative procedure of backbone sealing ring Download PDFInfo
- Publication number
- CN107990003B CN107990003B CN201711212842.3A CN201711212842A CN107990003B CN 107990003 B CN107990003 B CN 107990003B CN 201711212842 A CN201711212842 A CN 201711212842A CN 107990003 B CN107990003 B CN 107990003B
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- China
- Prior art keywords
- sealing ring
- conical surface
- backbone sealing
- shaft
- surface set
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- 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
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- 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
- F16J15/3268—Mounting of sealing rings
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- 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
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
Abstract
The restorative procedure of the claimed backbone sealing ring of the present invention, includes the following steps: step 1, is socketed on shaft with O-ring seals and is connected on the lateral surface of dustband of backbone sealing ring, wherein the O-ring seals and shaft are interference fitted；Step 2 is socketed on shaft with arc conical surface set and is connected on the periphery of O-ring seals, wherein arc conical surface set and shaft clearance fit, blending bolt fix；Step 3 adjusts arc conical surface set and arc conical surface set is located in shaft to the push-tight power of O-ring seals, and by tightening bolt towards backbone sealing ring side.The present invention can use O-ring seals and arc conical surface set, the backbone sealing ring leaked is repaired, have the effect of extending the service life of backbone sealing ring and reduces cost, compared to the prior art to the direct replacement of backbone sealing ring, fundamentally solve the relevant issues caused by replacement backbone sealing ring.
Description
Technical field
The invention belongs to the technical fields of backbone sealing ring, are specifically related to a kind of restorative procedure of backbone sealing ring,
In the backbone sealing ring have dustband.
Background technique
It is appreciated that the backbone sealing ring with dustband is widely used in industry spot, and achieve good dynamic
Sealing effect.However, the backbone sealing ring with dustband is easy consumption type sealing material, the oil sealing in use process or improper use
Lip, which is easy to appear wear-out failure or seal lip tearing, turns over self-tightening spring the failure phenomenons such as falls off, and leads to oil leak.
Currently, being using directly more after above-mentioned phenomenon occurs for backbone sealing ring of the appearance with dustband in the prior art
The mode of backbone sealing ring is changed to repair.But in industry spot actual use, using directly replacement backbone sealing ring
Mode there are following technical problems: the structure type of this kind of backbone sealing ring is more, on the one hand deposits at the spare aspect of spare unit
It is omitted in missing, followed by big industrial site rhythm is compact, once it is usually not enough that outside framework oil seal leakage problem occurs
Time replacement, lead to passive and oil consumption the rising and the pollution of site environment of mass production.
Summary of the invention
Based on this, it is necessary to for the technical problems in the prior art, provide a kind of reparation side of backbone sealing ring
Method.
Specifically: a kind of restorative procedure of backbone sealing ring, for being repaired to the backbone sealing ring with dustband；Packet
Include O-ring seals, arc conical surface set and multiple bolts；The restorative procedure following steps of the backbone sealing ring:
Step 1: being socketed on shaft with O-ring seals and be connected on the lateral surface of dustband of backbone sealing ring, wherein
The O-ring seals and shaft are interference fitted；
Step 2: being socketed on shaft with arc conical surface set and be connected on the periphery of O-ring seals, wherein the arc
Conical surface set and shaft clearance fit, blending bolt fix；
Step 3: arc conical surface set is adjusted towards backbone sealing ring side to the push-tight power of O-ring seals, and by tightening
Arc conical surface set is located in shaft by bolt.
As a preferred solution of the present invention, the arc conical surface puts on and matches for abutting with O-ring seals periphery in step 2
The side end face closed is set as arcwall face.
As a preferred solution of the present invention, the contact that the arcwall face of the arc conical surface set is contacted with O-ring seals
The lower half circle of O-ring seals is arranged in position.
As a preferred solution of the present invention, the gap between the arc conical surface set and shaft is 0.05mm；The arc
For conical surface set as made of hard material metalworking, surface processing accuracy Ra is 0.16-0.63.
As a preferred solution of the present invention, the internal diameter of the O-ring seals is less than 3-5mm of the spindle outer diameter；It is described
O-ring seals are prepared by rubber material.
As a preferred solution of the present invention, it is carried out between the arc conical surface set and shaft with 3 bolts of annular array
It is fixedly connected.
As a preferred solution of the present invention, it is carried out between the arc conical surface set and shaft with 4 bolts of annular array
It is fixedly connected.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
The restorative procedure of backbone sealing ring provided by the present invention can use O-ring seals and arc conical surface set, to letting out
The backbone sealing ring of leakage is repaired, and is had the effect of extending the service life of backbone sealing ring and is reduced cost, compared to existing
To the direct replacement of backbone sealing ring in technology, fundamentally solve the relevant issues caused by replacement backbone sealing ring.
Detailed description of the invention
Fig. 1 is the implementation diagram of the restorative procedure of backbone sealing ring provided by the present invention.
Fig. 2 is the portion the P enlarged drawing in Fig. 1.
Fig. 3 is another implementation diagram of the restorative procedure of backbone sealing ring provided by the present invention.
Fig. 4 is the portion the Q enlarged drawing in Fig. 3.
Wherein, 10, casing；20, shaft；30, backbone sealing ring；31, dustband；40, O-ring seals；50, the arc conical surface
Set；51, bolt；52, arcwall face.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is described in further details.
Fig. 1-Fig. 4 is please referred to, the restorative procedure of the claimed backbone sealing ring of the present invention is particularly used for anti-to band
The backbone sealing ring 30 of konisphere 31 is repaired.Including casing 10, it is set in casing 10 and relative to 10 part of casing to overhanging
Shaft 20 out, wherein being sealed between the shaft 20 and casing 10 with backbone sealing ring 30.
Dustband 31 is provided on the backbone sealing ring 30, the dustband 31 is fitted in shaft 20 to form oil
Envelope.That is, the backbone sealing ring 30 of the present embodiment is to have dustband 31, and will form between dustband 31 and shaft 20
Oil sealing, to realize sealing.
It is appreciated that shaft 20 carries out high-speed rotation relative to dustband 31 at work, and dustband 31 is fitting
In shaft 20, so that the abrasion of shaft 20 after the meeting after the rotation of shaft 20, to destroy the oil sealing of dustband 31.For this purpose,
The present embodiment is specifically disposed with O-ring seals 40 and arc cone on the dustband 31 that shaft 20 stretches out backbone sealing ring 30
Surface cover 50.
Specifically, 40 internal diameter of O-ring seals is less than the outer diameter of shaft 20, and the O-ring seals 40 are assemblied in and turn
Axis 20 is to be interference fitted relative to shaft 20, and it is clearance fit that the arc conical surface, which covers between 50 and shaft 20, is used in combination
Multiple bolts 51 fix, and are preferably fixed 50 limit of arc conical surface set with 3 of annular array or 4 bolts 51
In shaft 20.
The arc conical surface set 50 is set as arc surface 52 in the side end face towards O-ring seals 40, and the O shape is close
Arcwall face 52 of the periphery of seal 40 respectively with dustband 31 and arc conical surface set 50 is contacted, wherein the arc
The lower half circle of O-ring seals 40 is arranged in the contact position that the arcwall face 52 and O-ring seals 40 of conical surface set 50 contact.Also
The i.e. described dustband 31, O-ring seals 40 and the arc conical surface cover 50 threes and are closely packed together.
From the foregoing, it will be observed that when shaft 20 rotate after, the shaft 20 of rotation will drive the arc conical surface set 50 and O-ring seals 40 into
Row rotation, and will form oil film between dustband 31 and shaft 20 to seal, and part enters to O-ring seals 40, shaft
The oil liquid in space between 20 and dustband 31 can also be formed because of contacting between O-ring seals 40 and dustband 31
There is oil film to seal.That is, the sealing structure is in normal state, it is with the oil formed between dustband 31 and shaft 20
For the oil sealing formed between envelope and O-ring seals 40 and dustband 31 come what is be sealed, sealing effect is good, realizes application
The equipment of the sealing structure runs well.
However, the architectural characteristic of the wedge shape due to dustband 31, so that the sealing abrasion of dustband 31 is very fast that is, dust-proof
When circle 31 is damaged because of abrasion, due to being limit admittedly with multiple bolts 51 between arc conical surface set 50 and shaft 20
It is fixed, so 51 and the arc conical surface can be adjusted covering 50 pairs of O-ring seals 40 by loosering a bolt and carry out towards backbone sealing ring 30
Direction carry out pre- push-tight, specifically can pre- push-tight 0.5-1mm amount of elasticity.I.e. by adjusting O-ring seals 40 and dustband
The tightness to interact when being contacted between 31, and the sealing between O-ring seals 40 and dustband 31 is improved with this
Performance, to make up the abrasion loss of dustband 31.And when dustband 31 may wear to internal diameter greater than 20 outer diameter of shaft, it also means that
The oil film failure formed between dustband 31 and shaft 20, then oil liquid can enter O-ring seals 40, shaft 20 and dustband 31
Between space in, and continue to by oil film of the O-ring seals 40 between dustband 31 state of sealing.And when above-mentioned
After the thorough leakage failure of amount of elasticity for covering 50 0.5-1mm adjusted to O-ring seals 40 with the arc conical surface, pine can be passed through
Dynamic bolt 51 adjusts the axial position of arc conical surface set 50, continues the amount of elasticity certain to the pre- push-tight in 31 position of dustband, restores
Oil film between above-mentioned O-ring seals 40 and dustband 31 is formed.This assures the sealing effects of the sealing structure, in turn
It realizes the backbone sealing ring with dustband and freely adjusts the function of restoring sealing, compared to the prior art, stop work and carry out more
It changes, it is ensured that the production of big industry, and prevent the rising of oil consumption and the pollution of site environment.
It is appreciated that the two is line contact when the O-ring seals 40 of the present embodiment and dustband 31 contact, with
The abrasion of dustband 31, O-ring seals 40 and dustband 31 can be from lines contact wear to face contact, and work as O-ring seals 40
With dustband 31 after face contact, dustband 31 also will limit the rotation of O-ring seals 40, turn O-ring seals 40 by dynamic
Become static, oil film seal at this time is also by between the O-ring seals of transfer 40 and shaft 20, and diametrically movement is transferred to O
On the arcwall face 52 of shape sealing ring 40 and arc conical surface set 50.
In the present embodiment, the gap between the arc conical surface set 50 and shaft 20 is 0.05mm；The arc conical surface
Set 50 specifically can be as made of hard material metalworking, and surface processing accuracy Ra is 0.16-0.63.The O-ring seals 40
Internal diameter be less than 20 outer diameter of shaft 3-5mm；The O-ring seals 40 are prepared by rubber material.
To sum up, the restorative procedure of backbone sealing ring provided by the present invention can use O-ring seals and arc conical surface set, right
The backbone sealing ring leaked is repaired, and is had the effect of extending the service life of backbone sealing ring and is reduced cost, phase
Than in the prior art to the direct replacement of backbone sealing ring, fundamentally solves the correlation caused by replacement backbone sealing ring
Problem (such as the Related Technical Issues enumerated in background technique).
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (7)
1. a kind of restorative procedure of backbone sealing ring, for being repaired to the backbone sealing ring with dustband；It is characterized by:
Including O-ring seals, arc conical surface set and multiple bolts；The restorative procedure of the backbone sealing ring includes the following steps:
Step 1: being socketed on shaft with O-ring seals and be connected on the lateral surface of dustband of backbone sealing ring, wherein described
O-ring seals and shaft are interference fitted；
Step 2: being socketed on shaft with arc conical surface set and be connected on the periphery of O-ring seals, wherein the arc conical surface
Set and shaft clearance fit, blending bolt fix；
Step 3: arc conical surface set is adjusted towards backbone sealing ring side to the push-tight power of O-ring seals, and by tightening bolt
Arc conical surface set is located in shaft.
2. the restorative procedure of backbone sealing ring according to claim 1, it is characterised in that: the arc conical surface is put in step 2
A side end face for contacting with O-ring seals periphery is set as arcwall face.
3. the restorative procedure of backbone sealing ring according to claim 2, it is characterised in that: the arc of the arc conical surface set
The lower half circle of O-ring seals is arranged in the contact position that face and O-ring seals contact.
4. the restorative procedure of backbone sealing ring according to claim 1, it is characterised in that: the arc conical surface set and shaft
Between gap be 0.05mm；As made of hard material metalworking, surface processing accuracy Ra is the arc conical surface set
0.16—0.63。
5. the restorative procedure of backbone sealing ring according to claim 1, it is characterised in that: the internal diameter of the O-ring seals
Less than 3-5mm of the spindle outer diameter；The O-ring seals are prepared by rubber material.
6. the restorative procedure of backbone sealing ring according to claim 1, it is characterised in that: the arc conical surface set and shaft
Between be fixedly connected with 3 bolts of annular array.
7. the restorative procedure of backbone sealing ring according to claim 1, it is characterised in that: the arc conical surface set and shaft
Between be fixedly connected with 4 bolts of annular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711212842.3A CN107990003B (en) | 2017-11-28 | 2017-11-28 | A kind of restorative procedure of backbone sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711212842.3A CN107990003B (en) | 2017-11-28 | 2017-11-28 | A kind of restorative procedure of backbone sealing ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107990003A CN107990003A (en) | 2018-05-04 |
| CN107990003B true CN107990003B (en) | 2019-10-15 |
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ID=62033443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711212842.3A Active CN107990003B (en) | 2017-11-28 | 2017-11-28 | A kind of restorative procedure of backbone sealing ring |
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| Country | Link |
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| CN (1) | CN107990003B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2587772A1 (en) * | 1985-09-23 | 1987-03-27 | Gudin Michel | Friction bush for lip-type sealing gasket provided with an internal device ensuring rotational locking in both directions and axial locking on the rotating shaft, by sectorial hooping by an open ring under the action of clamping screws |
| CN201963878U (en) * | 2011-03-04 | 2011-09-07 | 泉州奇星机械有限公司 | Oil seal ring |
| CN203189726U (en) * | 2013-05-01 | 2013-09-11 | 徐州精工密封科技有限公司 | Arch slip ring type combined sealing ring |
| CN203532695U (en) * | 2013-11-15 | 2014-04-09 | 吕高峰 | Sealing device for reduction gearbox of oil pumping unit |
| CN204372170U (en) * | 2014-12-29 | 2015-06-03 | 金坛市博盟车辆配件有限公司 | A kind of rubber seal improving radial structure |
| CN104747447A (en) * | 2015-03-04 | 2015-07-01 | 苏州通润驱动设备股份有限公司 | Screw compressor shaft seal with automatic compensation function |
| CN205956387U (en) * | 2016-08-29 | 2017-02-15 | 兰州天大华瑞环境工程技术有限公司 | Two -stage combination formula rotary shaft seal device |
| WO2017059501A1 (en) * | 2015-10-07 | 2017-04-13 | Atlas Copco Airpower, Naamloze Vennootschap | Method for installing a transmission and shaftseat applied thereby |
-
2017
- 2017-11-28 CN CN201711212842.3A patent/CN107990003B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2587772A1 (en) * | 1985-09-23 | 1987-03-27 | Gudin Michel | Friction bush for lip-type sealing gasket provided with an internal device ensuring rotational locking in both directions and axial locking on the rotating shaft, by sectorial hooping by an open ring under the action of clamping screws |
| CN201963878U (en) * | 2011-03-04 | 2011-09-07 | 泉州奇星机械有限公司 | Oil seal ring |
| CN203189726U (en) * | 2013-05-01 | 2013-09-11 | 徐州精工密封科技有限公司 | Arch slip ring type combined sealing ring |
| CN203532695U (en) * | 2013-11-15 | 2014-04-09 | 吕高峰 | Sealing device for reduction gearbox of oil pumping unit |
| CN204372170U (en) * | 2014-12-29 | 2015-06-03 | 金坛市博盟车辆配件有限公司 | A kind of rubber seal improving radial structure |
| CN104747447A (en) * | 2015-03-04 | 2015-07-01 | 苏州通润驱动设备股份有限公司 | Screw compressor shaft seal with automatic compensation function |
| WO2017059501A1 (en) * | 2015-10-07 | 2017-04-13 | Atlas Copco Airpower, Naamloze Vennootschap | Method for installing a transmission and shaftseat applied thereby |
| CN205956387U (en) * | 2016-08-29 | 2017-02-15 | 兰州天大华瑞环境工程技术有限公司 | Two -stage combination formula rotary shaft seal device |
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| Publication number | Publication date |
|---|---|
| CN107990003A (en) | 2018-05-04 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190916 Address after: No. 162, Shengzhou City, Shengzhou City, Shaoxing, Zhejiang Applicant after: Shengzhou Sen Hui Intellectual Property Operation Co., Ltd. Address before: No. 162, Shengzhou City, Shengzhou City, Shaoxing, Zhejiang Applicant before: Yin Cai Fu |
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