CN209130187U - A kind of pivoting support sealing strip and the pivoting support using the sealing strip - Google Patents
A kind of pivoting support sealing strip and the pivoting support using the sealing strip Download PDFInfo
- Publication number
- CN209130187U CN209130187U CN201821795320.0U CN201821795320U CN209130187U CN 209130187 U CN209130187 U CN 209130187U CN 201821795320 U CN201821795320 U CN 201821795320U CN 209130187 U CN209130187 U CN 209130187U
- Authority
- CN
- China
- Prior art keywords
- lip
- sealing strip
- pivoting support
- weatherstrip body
- waist
- 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.)
- Active
Links
Landscapes
- Seal Device For Vehicle (AREA)
Abstract
The utility model discloses the pivoting supports of a kind of pivoting support sealing strip and the application sealing strip, are related to pivoting support sealing element field.Sealing strip includes weatherstrip body and sealing lip, and sealing lip is connected to weatherstrip body tail portion, and weatherstrip body tail portion is provided with mounting platform；Sealing lip includes waist and lip, and waist is connected between weatherstrip body and lip；The junction of waist and lip is bent in an arc shape in inside；Lip and weatherstrip body angle are α, 90 °≤α≤110 °；Waist and weatherstrip body angle are β, 15 °≤β≤45 °；Waist thickness uniformity, and it is less than waist and lip and weatherstrip body junction thickness；The lip of lip is arc-shaped or taper；Anti- stretching cotton rope is provided in weatherstrip body；Several retaining hangnails are provided on weatherstrip body upper and lower end face；Pivoting support includes the sealing strip.The utility model has the advantages of convenient installation, laborsaving, good airproof performance, durable；Pivoting support with the sealing strip, not easy oil leakage reduce maintenance frequency and cost.
Description
Technical field
The utility model relates to pivoting support sealing element field, this is close for specifically a kind of pivoting support sealing strip and application
The pivoting support of strip of paper used for sealing.
Background technique
Pivoting support is called turntable bearing, rotationally supports, bearing of circling round, and is a kind of big profile shaft for being able to bear combined load
It holds, biggish axial direction, radial load and tilting moment can be born simultaneously.Pivoting support is applied very extensively in real industry,
It is known as " joint of machine ", is to need to make opposite rotary motion between two articles, and axial force, radial direction need to be born simultaneously
Power, tilting moment machinery necessary to important transmission parts.With the rapid development of machinery industry, pivoting support is set in ship
The industries such as standby, engineering machinery, light industry and machinery, metallurgical machinery, medical machinery, industrial machinery are widely used.
Pivoting support generally comprises inner ring and outer ring, passes through at cooperation between inner ring and outer ring and is sealed by sealing strip, is prevented
Only outflow of lubrication oil.Traditional sealing strip is architectural limitation that there are various defects: bad force when (1) installing；(2) quilt when installing
It is easily stretched deformation, when use can generate elastical retraction and joint breaking occurs；(3) lip of sealing lip is bent after installing
Folding, long-time service are easily broken off；These problems are easy to cause sealing strip difficult to install, when use the problems such as oil leak.
Through retrieving, Chinese patent, notification number: 204327983 U of CN, data of publication of application: on May 03rd, 2015, open
A kind of pivoting support lip-type packing, it includes sealing ring body, waist and lip, sealing ring body, waist and lip
Integrally connected, the sealing ring body upper and lower sides are fixedly installed several hangnail portions, labial angle θ=105 ° of the lip,
Lip anterior angle is 35-45 ° and lip relief angle is 30-40 °.A kind of pivoting support lip-type packing that the utility model is proposed, it is close
The problems such as sealing property is good, has good oil resistivity and weatherability, is not susceptible to deformation, loose or dislocation, is effectively protected revolution
Raceway is supported, the pivoting support service life is extended；But there are difficult to install, the problems such as easy oil leakage.
Utility model content
Utility model technical problems to be solved
There is a problem of for sealing strip in the prior art difficult to install, the utility model provides a kind of pivoting support
With sealing strip and using the pivoting support of the sealing strip, by being provided with mounting platform in weatherstrip body tail portion, so that installation
When it is more convenient, laborsaving, while can be improved the leakproofness and durability of sealing strip, after pivoting support uses the sealing strip, greatly
The generation for reducing fracture, Leakage greatly, reduces maintenance frequency and cost, service life greatly improves.
Technical solution
To solve the above problems, technical solution provided by the utility model are as follows:
A kind of pivoting support sealing strip, including weatherstrip body and sealing lip, the sealing lip are connected to the sealing
Body tail section, the weatherstrip body tail portion are provided with mounting platform, and the mounting platform is used as point of application when installation, side
Just it installs.
Further, the sealing lip includes waist and lip, and described waist one end and the weatherstrip body tail portion connect
It connects, the other end is connect with the lip；The junction of the waist and the lip is bent in an arc shape in inside, described inside
It is bent in an arc shape and refers to being bent in an arc shape for direction of insertion when installing to weatherstrip body, the stress point generated so that lip is pressurized
It is scattered on waist, avoids the lip of sealing lip after being used for a long time from being pressurized and bend fracture.
Further, the lip and the weatherstrip body angle are α, 90 °≤α≤110 °.
Further, the waist and the weatherstrip body angle are β, 15 °≤β≤45 °.
Further, the waist thickness uniformity, and it is less than the waist and the lip and the sealing strip sheet
Body junction thickness, so that lip is pressurized, the stress generated is concentrated on waist, while ensureing that each position stress is uniform on waist
Distribution, avoids local pressure from concentrating.
Further, the lip of the lip is arc-shaped or taper, reduces the contact area of lip and pivoting support, thus
Reduce the rotary resistance of pivoting support.
Further, it is provided with anti-stretching cotton rope in the weatherstrip body, sealing strip is avoided to deform elongation during installation,
Generating elastical retraction after installation again causes to be broken from interface.
Further, the weatherstrip body material is nitrile rubber, and the anti-stretching cotton rope is polyester fiber cotton rope, by force
Degree is high, and elasticity is small；The sealing strip is used by nitrile rubber and polyester fiber cotton rope compound extruded, then through microwave or salt bath sulphur
Change and formed, is easily worked, it is at low cost.
Further, several retaining hangnails are provided on the weatherstrip body upper and lower end face, and on upper and lower end face
The retaining hangnail is symmetrical arranged, and is firmly installed, not easily to fall off, oil leak.
A kind of pivoting support, the pivoting support include pivoting support outer ring, pivoting support inner ring, in above-mentioned technical proposal
The sealing strip；The pivoting support outer ring and pivoting support inner ring, which cooperate, to be installed；The weatherstrip body is inserted into institute
In the mounting groove for stating pivoting support inner ring side, the lip of the sealing lip pushes against pivoting support outer ring side, is formed close
Seal chamber；Lubricating oil is filled in the seal chamber.
Beneficial effect
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
(1) a kind of pivoting support sealing strip provided by the utility model is installed by being arranged in weatherstrip body tail portion
Platform, so that it is more convenient, laborsaving when installation, while can be improved the leakproofness and durability of sealing strip；
(2) a kind of pivoting support sealing strip provided by the utility model optimizes installation force side in setting mounting platform
On the basis of, the structure of sealing lip is advanced optimized, so that the waist and lip and waist and weatherstrip body of sealing lip
Between be in best angle, and then substantially increase the sealing performance of sealing strip, durability be 1.5~3 times of conventional seals item with
On；
(3) a kind of pivoting support sealing strip provided by the utility model, the lip of sealing lip is arc-shaped or taper, and returns
Turn bearing point contact, the rotary resistance of pivoting support reduces, and mechanical performance is significantly optimized；
(4) a kind of pivoting support sealing strip provided by the utility model is provided with anti-stretching cotton rope in weatherstrip body,
The stretching and rebound that sealing strip can effectively be avoided avoid the problem that being broken oil leak appearance from sealing strip joint from root；
(5) a kind of pivoting support sealing strip provided by the utility model, sealing strip use nitrile rubber and polyester is fine
Cotton rope compound extruded is tieed up, is then formed, is easily worked through microwave or salt bath vulcanization, it is at low cost；
(6) a kind of pivoting support sealing strip provided by the utility model, weatherstrip body are provided on upper and lower end face
Several retaining hangnails, and the retaining hangnail on upper and lower end face is symmetrical arranged, and is firmly installed, not easily to fall off, oil leak；
(7) a kind of pivoting support provided by the utility model greatly reduces leakage due to having used the sealing strip of new construction
The generation of oily problem, reduces maintenance frequency and cost, and service life mentions significantly.
Detailed description of the invention
Fig. 1, the utility model sealing strip structural schematic diagram；
Fig. 2, the utility model sealing strip installation after status diagram；
Fig. 3, the utility model sealing strip installation when sealing lip variation schematic diagram.
In attached drawing: 10, weatherstrip body；11, anti-stretching cotton rope；12, retaining hangnail；20, mounting platform；30, sealing lip；
31, waist；32, lip；40, pivoting support outer ring；41, lip and pivoting support outer ring contact surface；50, pivoting support inner ring；
51, mounting groove；60, seal chamber.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with accompanying drawings and embodiments.
Embodiment 1
A kind of pivoting support sealing strip, as shown in Figures 1 to 3, including weatherstrip body 10 and sealing lip 30, the sealing
Lip 30 is connected to 10 tail portion of weatherstrip body, and 10 tail portion of weatherstrip body is provided with mounting platform 20, the installation
Platform 20 is used as point of application when installation, facilitates installation.
As shown in Fig. 2, mounting platform 20 be perpendicular to sealing strip direction of insertion plane so that installation when force direction with
Sealing strip direction of insertion is consistent, more laborsaving, and pressing to 30 position of sealing lip when avoiding force, prevents the part of sealing lip 30
Stress bending is opened, and the leakproofness and durability of sealing strip are improved.
As shown in Figure 2,3, when installing sealing strip, press...with one's finger mounting platform 20, and exerts a force to sealing strip direction of insertion,
Weatherstrip body 10 on sealing strip is pressed into the mounting groove 51 on pivoting support inner ring 50, while 30 lip of sealing lip
By the extrusion deformation of pivoting support outer ring 40, after being installed, sealing lip 30 is acted on by own resilience, resists lip and revolution
Supporting outer ring contact surface 41 forms seal chamber 60 between 30 inside of sealing lip and pivoting support.
A kind of pivoting support sealing strip of the present embodiment, by the way that mounting platform 20 is arranged in 10 tail portion of weatherstrip body,
It is easy for installation, laborsaving, simultaneously because force direction when optimizing installation, extruding when avoiding installation to sealing lip 30, make
It obtains sealing performance and durability greatly improves.
Embodiment 2
A kind of pivoting support sealing strip of the present embodiment, basic structure is different and the improvement is that with embodiment 1,
As shown in Figure 1,3, the sealing lip 30 includes waist 31 and lip 32, described 31 one end of waist and 10 tail of weatherstrip body
Portion's connection, the other end are connect with the lip 32；The junction of the waist 31 and the lip 32 is bent in an arc shape in inside；
The lip 32 and 10 angle α=90 ° of weatherstrip body；The waist 31 and 10 angle β of weatherstrip body=
30°；The 31 thickness uniformity of waist, and be less than the waist 31 and connect with the lip 32 and the weatherstrip body 10
Locate thickness, to disperse the stress of the receiving of waist 31；The lip of the lip 32 is arc-shaped, reduces contact of the lip with pivoting support
Area, to reduce the rotary resistance of pivoting support.
A kind of pivoting support sealing strip of the present embodiment optimizes the basis of installation force direction in setting mounting platform 20
On, the structure of sealing lip 30 is advanced optimized, so that the waist 31 and lip 32 and waist 31 and sealing strip sheet of sealing lip 30
Be in best angle between body 10, and then substantially increase the sealing performance of sealing strip, durability be 3 times of conventional seals item with
On；Simultaneously because 30 lip of sealing lip and pivoting support makes point contact, the rotary resistance of pivoting support reduces, and mechanical performance obtains
To significantly optimizing.
Embodiment 3
A kind of pivoting support sealing strip of the present embodiment, basic structure is different and the improvement is that with embodiment 2,
The lip 32 and 10 angle α=100 ° of weatherstrip body；The waist 31 and 10 angle β of weatherstrip body=
15°；The durability of the sealing strip is 2 times of conventional seals item or so.
Embodiment 4
A kind of pivoting support sealing strip of the present embodiment, basic structure exist with embodiment 2 or 3, different and improvements
In the lip 32 and 10 angle α=110 ° of weatherstrip body；The waist 31 and 10 angle β of weatherstrip body
=45 °；The durability of the sealing strip is 1.5 times of conventional seals item or so.
Embodiment 5
A kind of pivoting support sealing strip of the present embodiment, basic structure is different and the improvement is that with embodiment 2,
The lip of the lip 32 is tapered, and when the lip 32 is with 10 angle α=90 ° of weatherstrip body, lip is vertically pushed up
Firmly pivoting support surface is still point contact with pivoting support surface, is equally reached and reduces pivoting support rotary resistance, mentions
The purpose of pivoting support high-mechanical property.
Embodiment 6
A kind of pivoting support sealing strip of the present embodiment, basic structure is any with embodiment 1 to 5, different and improvement
It is in as shown in Figure 1, being provided with anti-stretching cotton rope 11 in the weatherstrip body 10, anti-stretching cotton rope 11 is long along sealing strip
Spend direction setting；10 material of weatherstrip body is nitrile rubber, and the anti-stretching cotton rope 11 is polyester fiber cotton rope.
Fastness, leakproofness and oil resistivity after installation in order to guarantee sealing strip, improve its durability, and sealing strip uses bullet
Property and the excellent nitrile rubber material of oil resistivity be made, but since elasticity is good, when installation, is easy to be stretched, and elasticity is generated after installation
Retraction is easy to happen joint breaking, causes Leakage；Insertion has the polyester fiber that elasticity is small, intensity is high in nitrile rubber
Cotton rope can effectively prevent sealing strip and be stretched, so that the problem of oil leak is broken at sealing strip joint is avoided from the root,
The intensity of sealing strip is improved simultaneously；The anti-quantity for stretching cotton rope 11 is at one or more, and quantity is more, and sealing strip is in length direction
Upper elasticity is smaller, is more not easy to be stretched.
The sealing strip is used by nitrile rubber and polyester fiber cotton rope compound extruded, then through microwave or salt bath vulcanization shape
At, it is easily worked, it is at low cost.
One of the present embodiment pivoting support sealing strip, by being embedded in anti-stretching cotton rope in weatherstrip body 10
11, the stretching and rebound of sealing strip can be effectively avoided, avoids the problem that being broken oil leak appearance from sealing strip joint from root.
Embodiment 7
A kind of pivoting support sealing strip of the present embodiment, basic structure is any with embodiment 1 to 6, different and improvement
It is in as shown in Figure 1, being provided with several retaining hangnails 12 on 10 upper and lower end face of the weatherstrip body, and upper and lower end face
On the retaining hangnail 12 be symmetrical arranged.
After weatherstrip body 10 is inserted into mounting groove 51, retaining hangnail 12 is pushed against mounting groove by own resilience effect outer
51 side walls, firmly install, not easily to fall off, oil leak；The setting symmetrical above and below of retaining hangnail 12, so that 10 upper and lower surface of weatherstrip body
Outer tension it is reversed, conllinear, further increase fastness.
Embodiment 8
A kind of pivoting support, as shown in Fig. 2, the pivoting support includes pivoting support outer ring 40, pivoting support inner ring 50,
And embodiment 1 to 7 it is any described in sealing strip；The pivoting support outer ring 40 and pivoting support inner ring 50, which cooperate, pacifies
Dress；The weatherstrip body 10 is inserted into the mounting groove 51 of 50 side of pivoting support inner ring, the lip of the sealing lip 30
40 side of pivoting support outer ring is pushed against, seal chamber 60 is formed；Lubricating oil is filled in the seal chamber 60.
Sealing strip installation steps are as follows:
Step 1: concrete operations are as follows by the mounting groove 51 of sealing strip insertion 50 side of pivoting support inner ring:
A, sealing strip one end is held with hand, weatherstrip body 10 is directed at 51 notch of mounting groove；
B, thumb is pressed on the mounting platform 20 of 10 tail portion of weatherstrip body, and is exerted a force and pressed along sealing strip direction of insertion,
The weatherstrip body 10 of sealing strip one end is pressed into mounting groove 51；
C, gradually sealing strip rest part is pressed into mounting groove 51 since one end first is installed in the way of in step B；
It is bonded Step 2: sealing strip both ends are docked, completes installation；
Step 3: checking situations such as 30 position of sealing lip of sealing strip is with the presence or absence of varus, deformation, and adjust.
A kind of pivoting support of the present embodiment greatly reduces Leakage due to having used the sealing strip of new construction
It generates, reduces maintenance frequency and cost, service life greatly improves.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (9)
1. a kind of pivoting support sealing strip, including weatherstrip body (10) and sealing lip (30), sealing lip (30) connection
In the weatherstrip body (10) tail portion, it is characterised in that: weatherstrip body (10) tail portion is provided with mounting platform (20)；
The sealing lip (30) includes waist (31) and lip (32), described waist (31) one end and the weatherstrip body (10)
Tail portion connection, the other end are connect with the lip (32)；The junction of the waist (31) and the lip (32) is in inside
It is bent in an arc shape.
2. a kind of pivoting support sealing strip according to claim 1, it is characterised in that: the lip (32) with it is described close
Strip of paper used for sealing ontology (10) angle is α, 90 °≤α≤110 °.
3. a kind of pivoting support sealing strip according to claim 1, it is characterised in that: the waist (31) with it is described close
Strip of paper used for sealing ontology (10) angle is β, 15 °≤β≤45 °.
4. a kind of pivoting support sealing strip according to claim 1, it is characterised in that: waist (31) thickness is uniform
Unanimously, and it is less than the waist (31) and the lip (32) and the weatherstrip body (10) junction thickness.
5. a kind of pivoting support sealing strip according to claim 1, it is characterised in that: the lip of the lip (32) is in
Arc or taper.
6. a kind of pivoting support sealing strip according to any one of claims 1 to 5, it is characterised in that: the sealing strip sheet
Anti- stretching cotton rope (11) is provided in body (10).
7. a kind of pivoting support sealing strip according to claim 6, it is characterised in that: weatherstrip body (10) material
Matter is nitrile rubber, and the anti-stretching cotton rope (11) is polyester fiber cotton rope.
8. a kind of pivoting support sealing strip according to any one of claims 1 to 5, it is characterised in that: the sealing strip sheet
Several retaining hangnails (12) are provided on body (10) upper and lower end face, and the retaining hangnail (12) on upper and lower end face symmetrically sets
It sets.
9. a kind of pivoting support, it is characterised in that: the pivoting support includes sealing strip described in claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821795320.0U CN209130187U (en) | 2018-10-31 | 2018-10-31 | A kind of pivoting support sealing strip and the pivoting support using the sealing strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821795320.0U CN209130187U (en) | 2018-10-31 | 2018-10-31 | A kind of pivoting support sealing strip and the pivoting support using the sealing strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209130187U true CN209130187U (en) | 2019-07-19 |
Family
ID=67233708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821795320.0U Active CN209130187U (en) | 2018-10-31 | 2018-10-31 | A kind of pivoting support sealing strip and the pivoting support using the sealing strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209130187U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894992A (en) * | 2020-08-06 | 2020-11-06 | 中国铁建重工集团股份有限公司 | Engineering machine, main bearing and sealing element |
| CN115466514A (en) * | 2021-10-28 | 2022-12-13 | 上海阿莱德实业股份有限公司 | High-strength anti-stretching sealing strip and application thereof |
-
2018
- 2018-10-31 CN CN201821795320.0U patent/CN209130187U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894992A (en) * | 2020-08-06 | 2020-11-06 | 中国铁建重工集团股份有限公司 | Engineering machine, main bearing and sealing element |
| CN115466514A (en) * | 2021-10-28 | 2022-12-13 | 上海阿莱德实业股份有限公司 | High-strength anti-stretching sealing strip and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209130187U (en) | A kind of pivoting support sealing strip and the pivoting support using the sealing strip | |
| CN203686121U (en) | Sealing ring | |
| CN107504186A (en) | A kind of adaptive transformation operating mode type assembly type rubber sealing structure | |
| CN105240533B (en) | sealing ring | |
| CN216430779U (en) | Union sealing ring for high-pressure pipeline | |
| CN2497113Y (en) | Lip-shape sealing ring | |
| CN212131302U (en) | High-speed wear-resistant oil seal | |
| CN108591477B (en) | Method for preventing seal lip from being worn during installation of seal ring | |
| CN113958573A (en) | Piston rod U-shaped sealing ring with reinforcing ring | |
| CN207333707U (en) | A kind of adaptive transformation operating mode type assembly type rubber sealing structure | |
| CN209743596U (en) | Self-repairing static sealing ring | |
| CN208885950U (en) | A kind of sealing ring | |
| CN207961359U (en) | A kind of waveform spring structure | |
| CN221075213U (en) | Mechanical seal structure in horizontal filter tank | |
| CN211344030U (en) | High-stability high-pressure-resistant oil seal for excavator | |
| CN215688400U (en) | Flexible arm structure with long service life | |
| CN220792042U (en) | High-pressure-resistant explosion-proof rubber lip ring | |
| CN221347469U (en) | Hydraulic cylinder upper cavity sealing guide sleeve | |
| CN215720832U (en) | Hub oil seal structure | |
| CN216812843U (en) | Air-permeable anti-leakage rubber sealing ring | |
| CN210106592U (en) | High-elasticity lip-shaped sealing ring | |
| CN220980327U (en) | Adjustable mechanical sealing device | |
| CN211951428U (en) | Sealing strip and sealing structure of floating ring of water turbine | |
| CN204357824U (en) | A kind of band X sealing configuration oil cylinder | |
| CN213332373U (en) | Flexible sealing structure of movable part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |