CN207795875U - A kind of extra large size bearing changeable type textile rubber oil seals - Google Patents
A kind of extra large size bearing changeable type textile rubber oil seals Download PDFInfo
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- CN207795875U CN207795875U CN201820193317.5U CN201820193317U CN207795875U CN 207795875 U CN207795875 U CN 207795875U CN 201820193317 U CN201820193317 U CN 201820193317U CN 207795875 U CN207795875 U CN 207795875U
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- sealing ring
- sealing
- metal sleeve
- oil seals
- rubber oil
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- Sealing With Elastic Sealing Lips (AREA)
- Sealing Of Bearings (AREA)
Abstract
The utility model discloses a kind of extra large size bearing changeable type textile rubber oil seals, including sealing ring and the sealing clamp for being connected to sealing ring top position, the lip of sealing ring is equipped with wire spring, sealing ring is internally provided with around the sealing equally distributed metal sleeve of circle center, the axis direction of metal sleeve and the axis of sealing ring are arranged in parallel, sealing clamp is equal sized and formed around the equally distributed arc pressuring plate in sealing ring axle center by least four, sealing clamp is realized by bridge screw and is fitted closely with sealing ring, bridge screw is mutually concentric with metal sleeve, the utility model is simple in structure, reasonable design, it can prevent from causing the breakage of textile rubber oil seals in seal process, also it avoids the occurrence of and causes foreign matter to enter in rolling element working region because pressing force is too small, the phenomenon that making rolling element wear；The airtight quality of pivoting support rolling element is improved, while also reducing time and the cost of repair.
Description
Technical field
The utility model belongs to bearing seal design field, and in particular to a kind of extra large size bearing changeable type folder
Cloth oil sealing.
Background technology
Pivoting support is a kind of large size bearing that can bear combined load, is made of inner ring, outer ring and rolling element etc., can
To bear larger axial direction, radial load and tilting moment simultaneously, it is widely used in real industry, is referred to as machine by people
Joint is to need between two articles to do opposite rotary motion, and need to bear the machinery of axial force, radial load and tilting moment simultaneously
Necessary important transmission parts.With the rapid development of machinery industry, pivoting support is in ship equipment, engineering machinery, light industry
The industries such as machinery, metallurgical machinery, medical machinery, industrial machinery are widely used.
Rolling element in pivoting support is the core element in bearing, due to its presence, is just had between relative motion surface
Rolling friction, the effect of competence exertion pivoting support, therefore, it is necessary to give the working environment of one relative clean of rolling element, if
When the working space of pivoting support rolling element enters the impurity such as dust or metal fillings, it will cause rolling element damage possibility,
Scrapping for entire pivoting support can be caused when serious.In the prior art in order to avoid the working region that foreign matter enters rolling element, lead to
An annular groove is often opened up between outer ring and inner ring, textile rubber oil seals is installed in groove, then pass through external pressing device pair
Oil sealing is compressed,, can not be effectively to pressing force during being compressed since textile rubber oil seals have certain elasticity
It is controlled, when pressing force is excessive, be easy to cause the rupture of textile rubber oil seals, oil sealing is made to scrap, if clamping force is too small, can make back
Turn to generate gap between the outer ring and inner ring of bearing, does not have the effect of sealing.In addition, after textile rubber oil seals long-time use,
It will appear breakage in the local location of oil sealing, at this moment need to carry out demolition and replacement to entire textile rubber oil seals, due to pivoting support
Appearance and size it is larger, such dismounting and replacement not only cause the waste of oil sealing, will also result in pivoting support and locate for a long time
In standby mode, working efficiency is difficult to improve, and causes temporal waste.
Invention content
In order to solve the above-mentioned technical problem the utility model, provides a kind of extra large size bearing changeable type textile rubber oil seals,
Simple structure and reasonable design in the groove that the oil sealing is arranged between outer ring and inner ring, and is directly anchored to the step of outer ring
On, the integral installation space of oil sealing is reduced, the occupancy in space is reduced, oil sealing is determined by the metal sleeve realization inside oil sealing
Position, when being locked using sealing clamp, will not cause the rupture of oil sealing, can also ensure the quality of sealing；Sealing is pressed
Plate is designed as multi-section type structure, can need to only be dismantled corresponding with local damage position close in the case of oil sealing local damage
The replacement of oil sealing can be completed in envelope pressing plate, prevents temporal waste.
Technical solution used by the utility model is：A kind of extra large size bearing changeable type textile rubber oil seals, including sealing
The sealing clamp of sealing ring top position is enclosed and is connected to, the lip of sealing ring is equipped with wire spring, and the inside of sealing ring is set
It is equipped with around the sealing equally distributed metal sleeve of circle center, the axis direction of metal sleeve and the axis of sealing ring are mutually parallel and set
It sets, sealing clamp is equal sized and formed around the equally distributed arc pressuring plate in sealing ring axle center by least four, and sealing clamp is logical
It crosses bridge screw and realizes and fitted closely with sealing ring, bridge screw is mutually concentric with metal sleeve.
The height of the metal sleeve is less than thickness of the sealing ring under without using working condition, since sealing ring has one
Fixed elasticity is in order to which during being compressed to sealing clamp and sealing ring using bridge screw, sealing ring exists in this way
After flexible deformation occurs to a certain extent, the further compression of bridge screw is limited by metal sleeve, sealing ring is avoided to cause
Disrepair phenomenon, can not be to worry that pressing force is controlled to avoid the occurrence of staff；Still further aspect is because of sealing
Circle has elasticity, the state for reaching locking between bridge screw and outer ring may be implemented by metal sleeve, to prevent
There is a phenomenon where loosen under the influence of the elastic acting force of sealing ring and external shock reason for bridge screw.
The difference of the thickness of the metal sleeve and sealing ring under without using working condition is 0.5-1mm, and setting in this way is
Pivoting support in order to adapt to different sizes requirements and different sealing requirement is used, and the scope of application is increased.
In work, which is mounted in the groove formed between the outer ring and inner ring of pivoting support, sealing is made
The internal diameter of circle is fitted closely with outer ring, realizes that sealing ring maximum outside diameter is closely pasted with inner ring by the wire spring in sealing ring
It closes, runs through pressing plate and metal sleeve centre bore using bridge screw, the end of bridge screw is made to be connected on the step of outer ring, revolve
Press the installation that plate bolt realizes textile rubber oil seals；Since sealing ring has certain elasticity, the height of metal sleeve is less than sealing
The free thickness of circle, can be during screwing bridge screw, and on the one hand the pressing force certain to sealing ring, makes sealing ring send out
Raw elastic deformation, sealing ring and inner ring, outer ring fit closely, achieve the effect that sealing, on the other hand can utilize metallic sheath
Cylinder plays the purpose of limit during screwing bridge screw, avoids sealing clamp excessive to the pressure of sealing ring, causes close
The breakage of seal.
The lip of the sealing ring is equipped with wire spring；The purpose being arranged in this way is：It can be reached by the wire spring
To the state for making sealing ring lip shape, you can so that the internal diameter of the maximum outside diameter of sealing ring and pivoting support keeps close patch
The purpose of conjunction prevents foreign matter from entering in the rolling element between outer ring and inner ring.
The sealing ring is internally provided with around the sealing equally distributed metal sleeve of circle center, the axis side of metal sleeve
To arranged in parallel with the axis of sealing ring；The purpose being arranged in this way is：Equally distributed purpose is to make sealing ring exist
In the course of work, the stress on each position keeps uniform, realizes the positioning action to sealing clamp using metal sleeve, reduces
The damage of sealing ring.
The sealing clamp is equal sized and formed around the equally distributed arc pressuring plate in sealing ring axle center by least four；This
Sample setting purpose be：It only can need to dismantle corresponding arc pressuring plate at the locally generation disrepair phenomenon of sealing ring, will break
The sealing ring at damage position is cut off, and is replaced to its part, is integrally scrapped caused loss to reduce sealing ring, can also be subtracted
The time it takes is repaired less, reduces maintenance cost.
The beneficial effects of the utility model：
The utility model simple structure and reasonable design can prevent the breakage that textile rubber oil seals are caused in seal process,
Avoid the occurrence of because pressing force is too small cause foreign matter to enter in rolling element working region, rolling element made to wear the phenomenon that；It improves
The airtight quality of pivoting support rolling element, while also reducing time and the cost of repair.
Description of the drawings
Fig. 1 is the stereogram of the utility model；
Fig. 2 is the fundamental diagram of the utility model；
Fig. 3 is the partial enlarged view of the utility model.
It is marked in figure：1, sealing ring；2, sealing clamp；3, wire spring；4, metal sleeve；5, bridge screw；6, outer ring；
7, inner ring；8, gap.
Specific implementation mode
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing.
As shown, a kind of extra large size bearing changeable type textile rubber oil seals, including sealing ring 1 and it is connected on sealing ring 1
The lip of the sealing clamp 2 that orientation is set, sealing ring 1 is equipped with wire spring 3, and sealing ring 1 is internally provided in sealing ring 1
The equally distributed metal sleeve 4 of the heart, the axis of the axis direction and sealing ring 1 of metal sleeve 4 is arranged in parallel, sealing clamp
2 is equal sized and formed around the equally distributed arc pressuring plate in 1 axle center of sealing ring by eight, and it is real that sealing clamp 2 passes through bridge screw 5
It is now fitted closely with sealing ring 1, bridge screw 5 is mutually concentric with metal sleeve 4.
The height of the metal sleeve 4 is less than thickness of the sealing ring 1 under without using working condition, i.e. metal sleeve 4
A gap 8 is formed between upper end and pressing plate, is to utilize bridge screw 5 in this way since sealing ring 1 has certain elasticity
During being compressed to sealing clamp 2 and sealing ring 1, after to a certain extent flexible deformation occurs for sealing ring 1, pass through gold
Belong to the further compression that sleeve 4 limits bridge screw 5, avoids sealing ring 1 from causing disrepair phenomenon, to avoid the occurrence of staff
It can not be to worry that pressing force is controlled；Still further aspect be because sealing ring 1 has elasticity, can be with by metal sleeve 4
It realizes the state for reaching locking between bridge screw 5 and outer ring 6, makees in the elasticity of sealing ring 1 to prevent bridge screw 5
Firmly and under the influence of external shock reason there is a phenomenon where loosen.
The difference of the thickness of the metal sleeve 4 and sealing ring 1 under without using working condition is 0.5mm.
In work, which is mounted in the groove formed between the outer ring 6 and inner ring 7 of pivoting support, is made close
The internal diameter of seal 1 is fitted closely with outer ring 6, and 1 maximum outside diameter of sealing ring and inner ring 7 are realized by the wire spring 3 in sealing ring 1
It fits closely, runs through 4 centre bore of pressing plate and metal sleeve using bridge screw 5, the end of bridge screw 5 is made to be connected to outer ring 6
Step on, screw bridge screw 5 realize textile rubber oil seals installation；Since sealing ring 1 has certain elasticity, metal sleeve 4
Height be less than the free thickness of sealing ring 1, can be on the one hand certain to sealing ring 1 during screwing bridge screw 5
Pressing force makes sealing ring 1 occur elastic deformation, and sealing ring 1 and inner ring 7, outer ring 6 fit closely, and achieve the effect that sealing, separately
On the one hand metal sleeve 4 can be utilized to play the purpose of limit during screwing bridge screw 5, avoids sealing clamp 2 right
The pressure of sealing ring 1 is excessive, causes the breakage of sealing ring 1.
Claims (3)
1. a kind of extra large size bearing changeable type textile rubber oil seals, it is characterised in that：Including sealing ring and it is connected to above sealing ring
The lip of the sealing clamp of position, sealing ring is equipped with wire spring, and being internally provided with for sealing ring is uniform around sealing circle center
The metal sleeve of distribution, the axis direction of metal sleeve and the axis of sealing ring are arranged in parallel, and sealing clamp is by least four
A equal sized and around the equally distributed arc pressuring plate in sealing ring axle center composition, sealing clamp passes through bridge screw and realizes and sealing
Circle fits closely, and bridge screw is mutually concentric with metal sleeve.
2. a kind of extra large size bearing changeable type textile rubber oil seals according to claim 1, it is characterised in that：Metal sleeve
Height is less than thickness of the sealing ring under without using working condition.
3. a kind of extra large size bearing changeable type textile rubber oil seals according to claim 1, it is characterised in that：Metal sleeve with
The difference of thickness of the sealing ring under without using working condition is 0.5-1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820193317.5U CN207795875U (en) | 2018-02-05 | 2018-02-05 | A kind of extra large size bearing changeable type textile rubber oil seals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820193317.5U CN207795875U (en) | 2018-02-05 | 2018-02-05 | A kind of extra large size bearing changeable type textile rubber oil seals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795875U true CN207795875U (en) | 2018-08-31 |
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ID=63268153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820193317.5U Active CN207795875U (en) | 2018-02-05 | 2018-02-05 | A kind of extra large size bearing changeable type textile rubber oil seals |
Country Status (1)
| Country | Link |
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| CN (1) | CN207795875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278275A (en) * | 2018-02-05 | 2018-07-13 | 洛阳新强联回转支承股份有限公司 | A kind of extra large size bearing changeable type textile rubber oil seals |
-
2018
- 2018-02-05 CN CN201820193317.5U patent/CN207795875U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278275A (en) * | 2018-02-05 | 2018-07-13 | 洛阳新强联回转支承股份有限公司 | A kind of extra large size bearing changeable type textile rubber oil seals |
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