CN209725212U - Non-concentric elastic compensating seal assembly - Google Patents
Non-concentric elastic compensating seal assembly Download PDFInfo
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- CN209725212U CN209725212U CN201920057567.0U CN201920057567U CN209725212U CN 209725212 U CN209725212 U CN 209725212U CN 201920057567 U CN201920057567 U CN 201920057567U CN 209725212 U CN209725212 U CN 209725212U
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- rotating ring
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Abstract
A kind of non-concentric elastic compensating seal assembly, it is characterised in that it includes covering the rotary motion assembly on axis and being axially moved assembly, being axially moved assembly includes the quiet set being fixedly mounted with axis, quiet set is equipped with the movable sleeving that can be axially moved, and movable sleeving is fixedly installed with wear-resisting stationary ring；Rotary motion assembly includes the outer cover with axis rotation installation, and outer cover is fixedly installed with wear-resisting rotating ring, wear-resisting stationary ring and the cooperation sealing of wear-resisting rotating ring.The quiet flexible tooth of cuff, quiet set 1 are limited by the elastic perforation that Elastic Teeth passes through movable sleeving.The anti-rotation groove of concaveconvex structure is had in the movable sleeving, the wear-resisting stationary ring has the wear-resisting stationary ring slot matched with anti-rotation groove, the wear-resisting rotating ring 1 has the wear-resisting rotating ring slot of concaveconvex structure, fixes wherein wear-resisting rotating ring slot cooperates with the outer cover slot with corresponding convex-concave structure of outer cover.
Description
Technical field
The art of this patent be applicable in the idler for belt conveyer used with industries such as industrial and mineral, harbour, harbour, grain, steel mills or
On person's roller, prevent bearing from being influenced the non-concentric elastic compensating seal assembly reduced the service life by water or dirt.
Background technique
Carrying roller and roller are the key components for guaranteeing belt conveyer and running well, close in middle idler roller and roller
Can envelope be to influence its critical component that operate normally, and intakes once sealing is bad or into dirt, will result in carrying roller or roller
In bearing failure, increase the load of belt conveyer, or grind away cylinder by belt mill thoroughly or tearing etc. major accidents.
The sealing in carrying roller or roller mainly uses contactless labyrinth seal at present, also has close using contact on a small quantity
Envelope.Both sealings all have some disadvantages, and the general waterproof of non-contacting seal is not dust-proof, if a kind of very moist
Or Dip water state is also non-watertight, reliability is also undesirable, and the contact sealing ring of the gauge wear structure used, because of mill
Can not compensate after damage causes service life shorter, and new sealed pressure of installing is larger, the time grown loss of seal pressure after cause
Seal failure, I by carrying out innovative improvement to structure, devise self-compensation sealing device (patent of invention number:
201010191755.6) (patent of invention number: 201410097472.3) two kinds of contacts are close with the soft type variable seal assembly of elastic force
Envelope, by the use in a period, effect is significantly improved than the sealing performance that conventional contact seals.But during normal use
Self-compensation sealing device, because of cylinder and axis during the installation process or by external force and machining accuracy it is bad in the case where, cylinder and axis
Decentraction is generated, sealing decentraction will cause sealing device side very tight, and the corresponding other side is very loose, and sealed pressure is different, special
It is not the sealing ring not in another concentricity at carrying roller both ends, the sealing ring and axis at both ends can generate very big pressure, make carrying roller
Rotational resistance increases and sealing effect reduces.
By to the observational study of this contact seal, I specifies that needs are solved in processing and installation process for a long time
In and operational process in concentricity variation, the influence to sealing effect and running resistance makes it in a certain range because of concentricity
Variation, will not influence sealing performance and increase this technical problem of rotational resistance.And can be compensated automatically after sealing wear,
Installation combination is convenient and efficient.
Summary of the invention
The technical issues of this patent solves is, bad for non-contacting seal effect, and contact seal is by concentricity
Sealing and operational effect are influenced, the problems such as reducing sealing performance cannot be compensated after abrasion, has carried out innovative design, it is therefore an objective to
Make contact seal not influenced to seal by concentricity variation in a certain range, can be compensated after abrasion and sealing is kept to press
Power, rotational resistance is small, and can be convenient for changing the non-concentric elastic compensating seal assembly with maintenance and installation.
To achieve the above object, the technical solution adopted in the utility model are as follows:
A kind of non-concentric elastic compensating seal assembly, it is characterised in that, including covering rotary motion assembly and axis on axis
To movement assembly, being axially moved assembly includes the quiet set being fixedly mounted with axis, and quiet set is equipped with the movable sleeving that can be axially moved,
Movable sleeving is fixedly installed with wear-resisting stationary ring；Rotary motion assembly includes the outer cover with axis rotation installation, and outer cover is fixedly installed with resistance to
Grind rotating ring, wear-resisting stationary ring and the cooperation sealing of wear-resisting rotating ring.
The quiet flexible tooth of cuff, quiet set 1 are limited by the elastic perforation that Elastic Teeth passes through movable sleeving.
Have the anti-rotation groove of concaveconvex structure in the movable sleeving, the wear-resisting stationary ring has to be matched with anti-rotation groove
Wear-resisting stationary ring slot, the wear-resisting rotating ring 1 have the wear-resisting rotating ring slot of concaveconvex structure, wherein wear-resisting rotating ring slot and outer cover has
The outer cover slot of corresponding convex-concave structure, which cooperates, fixes.
Spring is provided between the quiet set and movable sleeving.
Design has seal groove on the stationary ring, is equipped with sealing ring on seal groove.The Elastic Teeth is provided with
Anticreep tooth, anticreep tooth have elasticity.The face that wear-resisting rotating ring and wear-resisting stationary ring are in contact is respectively wear-resisting ring seal face and wear-resisting
Stationary ring sealing surface.
Quiet set is fitted on axis, will not be moved with axis tight fit, by quiet set, sealing ring, spring, movable sleeving and wear-resisting
Stationary ring forms an assembly, and movable sleeving and wear-resisting stationary ring can move axially under the limit of quiet set, the quiet set of this assembly with
Axis is closely connected to form one, and pushes movable sleeving and wear-resisting stationary ring to move axially by spring.With this assembly cooperation be by
Wear-resisting rotating ring and outer cover composition, when carrying roller or roller tube rotation, outer cover drives wear-resisting rotating ring rotation, and wear-resisting stationary ring can only
Axial stretching movement is unable to rotary motion, and wear-resisting rotating ring, which only makes rotating motion, to be axially moved, wear-resisting stationary ring and wear-resisting rotating ring
Contact seal is carried out by sealing surface, the sealed pressure of wear-resisting stationary ring and wear-resisting rotating ring is kept by spring, after wearing for a long time
It pushes the wear-resisting stationary ring on movable sleeving to carry out nose balance by spring, sealing performance and sealed pressure can be kept.If resistance to
Mill stationary ring and the concentricity of wear-resisting rotating ring change because the face of wear-resisting stationary ring and wear-resisting rotating ring have radially it is certain
Sealing area will not make seal failure.
According to the non-concentric elastic compensating seal assembly, it is characterized in that: flexible tooth above the quiet set, elasticity
Tooth has certain elasticity, and design has seal groove above quiet set, sealing ring can be fixed in seal groove and be limited
Inner hole and the sealing ring cooperation of the movement of sealing ring, movable sleeving can be right when movable sleeving moves axially under the promotion of spring
The generation sealing function of movable sleeving endoporus.It is quiet to put on bullet when sealing ring and spring are packed into quiet set and assembled with movable sleeving
Property and anticreep Elastic Teeth, be inserted into movable sleeving on elastic perforation in, movable sleeving can only be in the compression travel or Elastic Teeth of spring
It is moved axially in length range, the hole cooperation of the elastic perforation of tooth and insertion in Elastic Teeth can prevent movable sleeving to be detached from, resistance to
After mill stationary ring is installed on movable sleeving, just very easily formed assembly and wear-resisting rotating ring with and outer cover formation assembly, go to install
The sealing of carrying roller or roller.
The non-concentric elastic compensating seal assembly, it is characterized in that: quiet set and axis after carrying out tight fit there is sealing to make
With moving axially and in rotation for quiet set can be prevented, and the sealing surface on wear-resisting stationary ring installed on movable sleeving and covers installation outside
Sealing surface on wear-resisting rotating ring, cooperation carry out contact seal, and are not influenced sealing effect by concentricity variation in a certain range
Fruit avoids wear-resisting stationary ring from being rotated because being designed in the anti-rotation groove for having wear-resisting stationary ring slot to be pressed on movable sleeving on wear-resisting stationary ring
The wear-resisting rotating ring of movement influences and then to rotate.In addition the inner hole of quiet set and axis carry out tight fit, are inserted into Elastic Teeth on quiet set
And after snapping into the elastic perforation anticreep on movable sleeving, movable sleeving and quiet set cannot be departing from elastic teeth size is small on quiet set
In the elastic perforation on movable sleeving, make elastic perforation and Elastic Teeth movable sleeving on quiet set on movable sleeving can only be in Elastic Teeth
Tooth and spring between axially move, movable sleeving, which is unable to rotary motion, can not be detached from quiet set.
The non-concentric elastic compensating seal assembly, it is characterized in that: the outer cover slot covered outside with it is resistance on wear-resisting rotating ring
The cooperation of rotating ring slot is ground, an assembly is formed, the outer cover slot that the wear-resisting rotating ring slot indentation on wear-resisting rotating ring is covered outside is simultaneously close
Sealing cooperation, wear-resisting rotating ring does relative motion with outer cover when outer cover being avoided to make rotating motion.
The non-concentric elastic compensating seal assembly, it is characterized in that: wear-resisting stationary ring and wear-resisting rotating ring are added by wear-resistant material
Work is made, and flexibly can replace but also reduce cost.
The advantages of the utility model, is as follows
1, it is influenced by concentricity variation small；This patent can be avoided contact seal in seal process, in a certain range
The interior variation because of concentricity between sealing ring and axis reduces sealing effect or causes seal failure.
2, effect easy for installation is good；Elastic Teeth on quiet set is inserted into the elastic perforation on movable sleeving, by quiet set, sealing
Circle, spring, movable sleeving and wear-resisting stationary ring form an assembly.Outer cover and wear-resisting rotating ring form another assembly, and one can only
Axial stretching movement is done, another can only make rotating motion, and two assembly assembling and disassembling are all very convenient, and sealing effect
It is good.
3, replacement facilitates at low cost；Using the form of assembling, wear-resisting stationary ring is same as movable sleeving to be adopted for wear-resisting rotating ring and outer cover
With the form of assembling, so whether wear-resisting rotating ring or the abrasion of wear-resisting stationary ring, it can be individually replaced, not need to other portions
Part is replaced, and maintenance is facilitated to reduce cost.
4, facilitate adjustment；It selects the spring of different elasticity to be adjusted sealed pressure, can according to need design movement
The moving distance of set and quiet set, adjusts the stroke of movable sleeving to adjust the amount of compensation.Namely sealed pressure and stroke can roots
It is adjusted according to Demand Design.
5, nose balance is reliable；When the inner hole of movable sleeving is with the quiet set axial displacement for installing Double seal ring, Double seal ring
Structure can play good sealing function, and guarantee that the radial direction of movable sleeving is stablized and do not done by the rotary motion of wear-resisting rotating ring
It relates to, generates the sealing effect of radial wobble effects wear-resisting rotating ring and wear-resisting stationary ring.
6, convenient disassembly, installation and maintenance are high-efficient；Using combination connecting mode, disassembling, assembling and replacing associated components are all very square
Just.
Detailed description of the invention
Fig. 1 is that non-concentric elastic compensating seal assembly installs cross-sectional view
Fig. 2 is non-concentric elastic compensating seal assembly assembling sequence figure.
Fig. 3 is quiet set front view.
Fig. 4 is quiet set rearview.
Fig. 5 is quiet set side view.
Fig. 6 is movable sleeving front view.
Fig. 7 is movable sleeving rearview.
Fig. 8 is movable sleeving side view.
Fig. 9 is wear-resisting stationary ring front view.
Figure 10 is wear-resisting stationary ring sealing surface main view.
Figure 11 is wear-resisting rotating ring front view.
Figure 12 is wear-resisting rotating ring rearview.
Figure 13 is wear-resisting rotating ring side view.
Figure 14 is outer cover front view.
Figure 15 is outer cover rearview.
Figure 16 is outer cover side view.
Figure 17 is non-concentric elastic compensating seal assembly pictorial diagram.
In attached drawing: 1, quiet set；1.1, seal groove；1.2, Elastic Teeth；2, movable sleeving；2.1, anti-rotation groove；2.2, Elastic Teeth
Hole；3, wear-resisting stationary ring；3.1, wear-resisting stationary ring slot；3.2, wear-resisting stationary ring sealing surface；4, wear-resisting rotating ring；4.1, wear-resisting rotating ring slot；
4.2, wear-resisting ring seal face；5, spring；6, sealing ring；7, outer cover；7.1, outer cover slot；8, axis；9, bearing chamber；10, cylinder；
11, dustproof cover
Specific embodiment
As shown in Figure 1,10 both ends of carrying roller cylinder are installed bearing chamber 9 respectively, then distinguish according to sequence shown in Fig. 2
Tight fit is pressed into quiet set 1 on axis 8, and positioning is fixed on the outside of bearing chamber 9, will not move axially and in rotation, such as Fig. 3-5 institute
Show that design has seal groove 1.1 and flexible Elastic Teeth 1.2 on quiet set 1, it will be on the set of 6 tight fit of sealing ring set 1 in meditation
Seal groove 1.1 in will not move, spring 5 is penetrated the inside of the Elastic Teeth 1.2 on quiet set 1, as shown in figs 6-8 movable sleeving
2, design has anti-rotation groove 2.1 and elastic perforation 2.2 on movable sleeving 2, and the elastic perforation 2.2 on movable sleeving 2 is inserted on quiet set 1
Elastic Teeth 1.2 in, anticreep tooth in Elastic Teeth 1.2 has certain elasticity, and the tooth in Elastic Teeth 1.2 is inserted into elastic perforation
Behind 2.2 hole, movable sleeving 2 cannot be detached under the action of anticreep tooth, and movable sleeving 2 can only be axial in the compression zone of spring 5
Move back and forth, the cooperation of sealing ring 6 installed on the inner hole of movable sleeving 2 and quiet set 1 seals, and makes the tool when being axially moved of movable sleeving 2
There is sealing function.Wear-resisting stationary ring 3 as shown in figs. 9-10 is process by a kind of all preferable material of wear-resisting and self-lubricating property,
Design has wear-resisting stationary ring slot 3.1 and wear-resisting stationary ring sealing surface 3.2 on wear-resisting stationary ring 3, by the wear-resisting stationary ring slot on wear-resisting stationary ring 3
In the anti-rotation groove 2.1 that 3.1 sealings are pressed on movable sleeving 2, wear-resisting stationary ring 3 forms one with movable sleeving 2, and wear-resisting stationary ring 3 follows
Movable sleeving 2 moves axially in the range of Elastic Teeth 1.2 on quiet set 1 but is unable to rotary motion.Then as figs 11-13
Wear-resisting rotating ring 4 on design have wear-resisting rotating ring slot 4.1 and wear-resisting ring seal face 4.2, by the wear-resisting rotating ring slot on wear-resisting rotating ring 4
4.1, sealing is pressed into the outer cover slot 7.1 on outer cover 7 as illustrated in figures 14-16, and wear-resisting rotating ring 4 is made to form one with outer cover 7
Whole, outer cover 7 as shown in figure 17 is fixed on carrying roller cylinder 10, wear-resisting ring seal face 4.2 composition installed on outer cover 7
Assembly can only rotary motion, with stationary ring 1, movable sleeving 2, wear-resisting stationary ring 3, spring 5 and sealing ring 6 composition wear-resisting stationary ring 3
The assembly cooperation that can be axially moved, forms a seal assembly, sealing position is close by wear-resisting stationary ring sealing surface 3.2 and wear-resisting rotating ring
Cover 4.2 forms.Wear-resisting 4 rotary motion of rotating ring, wear-resisting stationary ring 3 axially move under the promotion of spring 5, after playing abrasion
Compensation and the effect for keeping sealed pressure.
As shown in Figure 1, wear-resisting 4 rotary motion of rotating ring is driven when 10 rotary motion of carrying roller cylinder, it is resistance on wear-resisting rotating ring 4
Sealing, wear-resisting stationary ring 3 are played the role of in wear-resisting stationary ring sealing surface 3.2 cooperation on mill ring seal face 4.2, with wear-resisting stationary ring 3
It is pressed integrally with movable sleeving 2, wear-resisting stationary ring 3 is pushed to do axial compensation campaign under the action of spring 5, when wear-resisting stationary ring 3
When axially moving, the sealing ring 6 installed on the inner wall of movable sleeving 2 and quiet set 1 has sealing function, in addition quiet set 1 is press fitting
Being a tight fit on axis 8 has sealing function, prevents the objects such as dust or water from entering quiet set another side, that is, cannot be right
Bearing in carrying roller cylinder 10 generates the service life for being stained and influencing bearing.
A kind of non-concentric elastic compensating seal assembly, which is characterized in that including the rotation being made of outer cover 7 and wear-resisting rotating ring 4
Dynamic assembly is transported, is matched with the axial movement assembly being made of quiet set 1, movable sleeving 2, wear-resisting stationary ring 3, spring 5, sealing ring 6
Close sealing.Wear-resisting stationary ring 3, which can be axially moved, is sealed supplement and holding sealed pressure.Sealing position is the sealing of wear-resisting stationary ring
Face 3.2 and 4.2 two, wear-resisting ring seal face plane are not changed in planar range by axis 8 and 10 concentricity of carrying roller cylinder
Sealing is influenced, the axial displacement assembly that movable sleeving 2 and quiet set 1 are formed can move, movable sleeving 2 in the telescopic extensions of spring 5
Inner hole and sealing ring 6 cooperate, and can play sealing function when movable sleeving 2 is displaced.
Design has seal groove 1.1 and Elastic Teeth 1.2 on the stationary ring 1, and sealing ring 6 is mounted on seal groove 1.1
Sealing ring 6 can be prevented to be displaced, Elastic Teeth 1.2 has the tooth of anticreep and with certain elasticity.Elastic perforation on movable sleeving 2
2.2 be a through-hole, and the design of anti-rotation groove 2.1 has concaveconvex structure, it is ensured that wear-resisting stationary ring 3 cooperates with it can not closely do phase
To rotary motion.
The axial displacement assembly that the quiet set 1, movable sleeving 2, wear-resisting stationary ring 3, spring 5, sealing ring 6 form, Ke Yigen
According to the length of 1 Elastic Teeth 1.2 of compression travel and quiet set of spring 5, the mobile pressure and stroke size of movable sleeving 2 are adjusted.
Wear-resisting stationary ring 3 and wear-resisting rotating ring 4 are all made of wear-resisting property and the good material processing and fabricating of self-lubricating property forms, and
And it can be replaced according to the degree of wear.
On wear-resisting rotating ring 4 design have corresponded on the wear-resisting rotating ring slot 4 of wear-resisting rotating ring slot 4.1 and outer cover 7 in concaveconvex structure it is convex
The outer cover slot 7.1 of recessed structure installation forms a rotation assembly, can make rotating motion with cylinder.
Embodiment described above is only that the preferred embodiment of this patent is described, not to the structure of this patent
Think and protection scope is defined, under the premise of not departing from this patent design concept, ordinary engineering and technical personnel in this field
To all variations and modifications that the technical solution of this patent is made, the protection scope of this patent should all be fallen into.
Claims (8)
1. a kind of non-concentric elastic compensating seal assembly, it is characterised in that, including covering rotary motion assembly and axis on axis (8)
To movement assembly, being axially moved assembly includes the quiet set (1) being fixedly mounted with axis (8), and quiet set (1) is equipped with and can be axially moved
Movable sleeving (2), movable sleeving (2) is fixedly installed with wear-resisting stationary ring (3)；Rotary motion assembly includes the outer cover with axis rotation installation
(7), outer cover (7) is fixedly installed with wear-resisting rotating ring (4), wear-resisting stationary ring (3) and wear-resisting rotating ring (4) cooperation sealing.
2. non-concentric elastic compensating seal assembly according to claim 1, it is characterised in that: quiet set (1) has Elastic Teeth
(1.2), quiet set (1) is limited by the elastic perforation (2.2) that Elastic Teeth (1.2) pass through movable sleeving (2).
3. non-concentric elastic compensating seal assembly according to claim 1, it is characterised in that: in the movable sleeving (2)
Anti-rotation groove (2.1) with concaveconvex structure, the wear-resisting stationary ring (3) have the wear-resisting stationary ring matched with anti-rotation groove (2.1)
Slot (3.1).
4. non-concentric elastic compensating seal assembly according to claim 1, it is characterised in that: the wear-resisting rotating ring (4)
Wear-resisting rotating ring slot (4.1) with concaveconvex structure, wherein wear-resisting rotating ring slot (4.1) is with outer cover (7) with corresponding convex-concave structure
Outer cover slot (7.1) cooperate fix.
5. non-concentric elastic compensating seal assembly according to claim 1, it is characterised in that: the quiet set (1) and shifting
Spring (5) are provided between dynamic set (2).
6. non-concentric elastic compensating seal assembly according to claim 1, it is characterised in that: set on the quiet set (1)
In respect of seal groove (1.1), sealing ring (6) are installed on seal groove (1.1).
7. non-concentric elastic compensating seal assembly according to claim 2, it is characterised in that: the Elastic Teeth (1.2)
It is provided with anticreep tooth, anticreep tooth has elasticity.
8. non-concentric elastic compensating seal assembly according to claim 1, it is characterised in that: wear-resisting rotating ring (4) and wear-resisting
The face that stationary ring (3) is in contact is respectively wear-resisting ring seal face (4.2) and wear-resisting stationary ring sealing surface (3.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920057567.0U CN209725212U (en) | 2019-01-14 | 2019-01-14 | Non-concentric elastic compensating seal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920057567.0U CN209725212U (en) | 2019-01-14 | 2019-01-14 | Non-concentric elastic compensating seal assembly |
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| Publication Number | Publication Date |
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| CN209725212U true CN209725212U (en) | 2019-12-03 |
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| CN201920057567.0U Active CN209725212U (en) | 2019-01-14 | 2019-01-14 | Non-concentric elastic compensating seal assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854750A (en) * | 2019-01-14 | 2019-06-07 | 山东太极龙塑胶科技有限公司 | Non-concentric elastic compensating seal assembly |
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2019
- 2019-01-14 CN CN201920057567.0U patent/CN209725212U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854750A (en) * | 2019-01-14 | 2019-06-07 | 山东太极龙塑胶科技有限公司 | Non-concentric elastic compensating seal assembly |
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