CN202732977U - Self-compensating axial end surface seal - Google Patents
Self-compensating axial end surface seal Download PDFInfo
- Publication number
- CN202732977U CN202732977U CN 201220440849 CN201220440849U CN202732977U CN 202732977 U CN202732977 U CN 202732977U CN 201220440849 CN201220440849 CN 201220440849 CN 201220440849 U CN201220440849 U CN 201220440849U CN 202732977 U CN202732977 U CN 202732977U
- Authority
- CN
- China
- Prior art keywords
- head
- dust excluder
- excluder lips
- shoulder
- axial end
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 52
- 238000003860 storage Methods 0.000 claims abstract description 34
- 239000000428 dust Substances 0.000 claims description 61
- 210000000867 larynx Anatomy 0.000 claims description 15
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 29
- 239000004519 grease Substances 0.000 description 12
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000003116 impacting effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Abstract
A self-compensating axial end surface seal comprises a shoulder, a groove, a neck, a head, dustproof lips, sealing lips, a plurality of stress grooves and a plurality of oil storage grooves which are of circular integrated structures. The groove is arranged on the outer circumference of the shoulder, a hose clamp is mounted on the groove, the neck, the shoulder and the head are connected with one another to form an integral structure, the neck is of a bent structure, the dustproof lips and the sealing lips are respectively arranged on one side of the head, two stress grooves are respectively arranged on the inner circumference and the outer circumference of the head, and the oil storage grooves are respectively arranged among the dustproof lips and the sealing lips. The self-compensating axial end surface seal has the advantages that the self-compensating axial end surface seal is convenient to machine and control, and online replacement and modification for the self-compensating axial end surface seal are facilitated; the work efficiency is improved, and the manufacturing cost is saved; and the self-compensating axial end surface seal is good in sealing effect and wide in application range.
Description
Technical field
The utility model relates in a kind of machinery running shaft with bearing housing or gear box lubricating oil seal arrangement, specifically a kind of automatic compensating axial end sealing.
Background technique
The end face seal that machinery industry is commonly used at present divides the sealing of pressure side face and with no pressure end face seal, has the sealing of pressure side face mainly to refer to the mechanical seal of various different structure forms; The with no pressure end face seal mainly contains the V-arrangement end face seals such as VA, VS, VL, VE.The former is mainly used in pump, still sealing, and latter is mainly used in dustproof and labyrinth seal and grease sealing.But it is better that above-mentioned various multi-form V-seal is generally used for dust-proof effect, but be used for then effect extreme difference of seal grease, and reason is the radial outside that the sealing lip of V-seal is in seal face, is in same direction with dielectric leakage, so sealing effect is not good.
In addition, at present various v-seals commonly used all be rely on rubber flexible fastening on running shaft, so, push vertically the installation position after when seal ring lost efficacy, can only dismantling the axle head coupling member, but can not realize changing and fixing online.
The model utility content
The purpose of this utility model is to solve prior art can not possess sealing and dustproof performance simultaneously, and, can not realize the defectives such as online replacing, provide a kind of automatic compensating axial end simple in structure, the sealing and dustproof successful to seal, this oil sealing mainly is for no pressure and low pressure seal environment, substitutes various V-type end face seals commonly used and is used for simultaneously grease seal and dustproof.
Solve the problems of the technologies described above by the following technical solutions: a kind of automatic compensating axial end sealing, comprise shoulder, groove, neck, head, dust excluder lips, sealing lip, and a plurality of stress grooves and oil storage tank, the shoulder, neck, head, dust excluder lips, sealing lip, stress groove and the oil storage tank that consist of this automatic compensating axial end sealing are the ring integrative-structure; The shoulder excircle is provided with groove, and the larynx hoop is housed on the groove; Neck, shoulder and the head structure that is connected as one, neck is the curved shape structure, dust excluder lips and sealing lip are separately positioned on a side of head, are respectively equipped with a stress groove on head inner circumference and the excircle, are respectively equipped with oil storage tank between dust excluder lips and the sealing lip.
Shoulder links to each other with head by neck, and neck is 180 ° curved shape structure.
The larynx hoop is installed in the groove on the shoulder excircle by link.
Head shaft laterally end face is provided with two-stage sealing lip and two-stage dust excluder lips; Between primary seal lip and the secondary seal lip, between secondary seal lip and the secondary dust excluder lips, and be respectively equipped with an oil storage tank between secondary dust excluder lips and the one-level dust excluder lips.
Compared with prior art, the beneficial effects of the utility model are:
⑴ employing larynx hoop fixedly automatic compensating axial end is sealed on the running shaft, and is less demanding to id tolerance of the present utility model, is convenient to processing and control;
(2) adopt larynx hoop means of fixation, enforcement is changed online and transformation is provided convenience for the automatic compensating axial end seals.This is that other structures can't be accomplished;
(3) for improving work efficiency and quality, can make and carry out again secondary docking sulfuration after the strip mould processing and be integrated.Can when improving work efficiency, greatly save manufacture cost like this;
(4) the two-stage sealing lip on the seal face and two-stage dust excluder lips design provides the two-stage guarantee for sealing on the one hand, can guarantee on the other hand still can seal when automatic compensating axial end sealing appearance is eccentric by a relatively large margin not leak;
(5) the utility model adopts elastomer processing, can guarantee two-stage sealing lip and two-stage dust excluder lips to the impacting force of bearing housing end face by the size interference, thereby guarantees that sealing do not leak;
(6) 180 ° of curved design of neck of the present utility model give to be positioned at head shaft the two-stage sealing lip on the end face and two-stage dust excluder lips provide the end thrust that continues and reliable resilience space laterally;
(7) the laterally design of the oil storage tank on the end face of the utility model head shaft, can fill out in advance lubricant grease provides lubricated to two-stage sealing lip and two-stage dust excluder lips on the one hand; Can store up on the other hand and deposit the grease that leaks and from the pollutant of outside invasion;
(8) but the utility model mold batch process, cost is lower, accommodation is wider, both can be used for equipment and has just filled, and also can be used for online change and transforming, and without any parts on the device for disassembling, does not more need to change any parts on the original equipment.When online replacing or transformation, only need be bonding around axle after any place cuts off vertically, again the utility model is fixed on the running shaft with clip.The utility model use that should be widely promoted.
Description of drawings
Fig. 1 is the integrally-built sectional view of the utility model.
Fig. 2 is the integrally-built erection drawing of the utility model.
Among the figure: shoulder 1, groove 2, larynx hoop 3, neck 4, head 5, stress groove 6, one-level dust excluder lips 7, oil storage tank 8, secondary dust excluder lips 9, oil storage tank 10, secondary seal lip 11, oil storage tank 12, primary seal lip 13, stress groove 14, bearing housing end face 15, running shaft 16, the shaft shoulder 17.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
Referring to accompanying drawing 1, this automatic compensating axial end sealing disclosed in the utility model comprises the shoulder 1 that consists of the sealing of automatic compensating axial end, groove 2, larynx hoop 3, neck 4, head 5, stress groove 6, one-level dust excluder lips 7, oil storage tank 8, secondary dust excluder lips 9, oil storage tank 10, secondary seal lip 11, oil storage tank 12, primary seal lip 13, stress groove 14.
Referring to accompanying drawing 2, this automatic compensating axial end stuffing box gland disclosed in the utility model is contained on the running shaft 16, and is fixed on the running shaft by the larynx hoop 3 that is positioned on the groove 2, and the shaft shoulder 17 is used for to the utility model axial limiting.Be positioned at laterally primary seal lip 13 of head shaft of the present utility model, secondary seal lip 11, one-level dust excluder lips 7, secondary dust excluder lips 9 and under the end thrust effect of the elasticity of the neck 4 that is used for connecting shoulder 1 and head 5 and the interference of the utility model size, fit tightly with bearing housing end face 15, thereby realize sealing.The the first stress groove 6 and the second stress groove 14 that are positioned on head 5 inner circumferences and the excircle provide axial stress support and resilience space to one-level dust excluder lips 7, secondary dust excluder lips 9 and primary seal lip 13, secondary seal lip 11 respectively.
This automatic compensating axial end sealing, comprise shoulder 1, groove 2, neck 4, head 5, dust excluder lips, sealing lip, and a plurality of stress grooves and oil storage tank, the shoulder, neck, head, dust excluder lips, sealing lip, stress groove and the oil storage tank that consist of this automatic compensating axial end sealing are the ring integrative-structure.The shoulder excircle is provided with groove 2, and larynx hoop 3 is housed on the groove 2, and larynx hoop 3 is installed in the groove 2 on shoulder 1 excircle by link such as bolt etc., is used for banding automatic compensating axial end and is sealed in running shaft 16.Neck 4, shoulder 1 and head 5 structure that is connected as one, neck 4 is the curved shape structure, dust excluder lips and sealing lip are separately positioned on a side of head, be respectively equipped with a stress groove on head inner circumference and the excircle, be respectively the first stress groove 6 and the second stress groove 14, be provided with oil storage tank between dust excluder lips and sealing lip, head 5 axially outside end face is provided with two-stage sealing lip and two-stage dust excluder lips, is respectively primary seal lip 13, secondary seal lip 11 and one-level dust excluder lips 7, secondary dust excluder lips 9.Between primary seal lip and the secondary seal lip, between secondary seal lip and the secondary dust excluder lips, and be respectively equipped with an oil storage tank between secondary dust excluder lips and the one-level dust excluder lips, namely have three oil storage tanks, be respectively the first oil storage tank 8, the second oil storage tank 10, the 3rd oil storage tank 12.
Shoulder 1 links to each other with head 5 by neck 4, and neck 4 is 180 ° curved shape structure, head 5 and shoulder 1 opposing parallel.Neck 4 provides axial pressing force and resilience space for head 5, with the suitable impacting force between maintenance primary seal lip 13, secondary seal lip 11, one-level dust excluder lips 7, secondary dust excluder lips 9 and the bearing housing end face 15, thereby realizes long-term seal.
The effect of the first stress groove 6, the second stress groove 14 is to provide axial stress support and resilience space to primary seal lip 13, secondary seal lip 11 and one-level dust excluder lips 7, secondary dust excluder lips 9 that the automatic compensating axial end seals.
The effect of the second oil storage tank 10 and the 3rd oil storage tank 12 is: being used on the one hand storing the grease that adds in advance provides lubricated to primary seal lip 13 and secondary seal lip 11; Be used on the other hand storing the grease that bearing housing leaks.The effect of the first oil storage tank 8 and the second oil storage tank 10 is: being used on the one hand storing the grease that adds in advance provides lubricated to one-level dust excluder lips 7 and secondary dust excluder lips 9; Be used on the other hand collecting the pollutant of invading.
Another function of the first oil storage tank 8, the second oil storage tank 10 and the 3rd oil storage tank 12 is exactly the area of contact that has reduced primary seal lip 13, secondary seal lip 11, one-level dust excluder lips 7, secondary dust excluder lips 9 and bearing housing end face 15, can effectively reduce wear, thereby prolong the working life of automatic compensating axial end sealing.
Be positioned at head shaft primary seal lip 13, secondary seal lip 11, one-level dust excluder lips 7, secondary dust excluder lips 9 laterally, under the end thrust effect of the elasticity of the neck 4 that be used for to connect shoulder 1 and head 5 and the interference of the utility model size, fit tightly with bearing housing end face 15, thereby realize sealing.
Online change or during Online revamp, only needing after any place of the utility model cuts off vertically bonding around axle is that available larynx hoop is fixed on running shaft and uses, its usability is not affected by otch.
Installation method of the present utility model is as follows.
1, the installation method that just fills:
(1) the utility model is set on the running shaft 16, and makes shoulder 1 and the shaft shoulder 17 keeping parallelisms;
(2) larynx hoop 3 is connected locking shoulder 1 on running shaft 16 along groove 2;
(3) oil storage tank 8,10,12 and one-level dust excluder lips, secondary dust excluder lips, primary seal lip, secondary seal lip smear moderate lubrication fat.Finish installation.
2, change online or modification and installation method:
⑴ remove original-pack Sealing;
(2) cleaning running shaft 16, the shaft shoulder 17, bearing housing end face 15 and other adjacent component;
(3) oil storage tank 8,10,12 and one-level dust excluder lips, secondary dust excluder lips, primary seal lip, secondary seal lip smear moderate lubrication fat (the about 300mm in interval is not coated with lubricating grease);
(4) it is bonding around axle behind the otch vertically the utility model not to be coated with neutral position, lubricating grease place, makes shoulder 1 and the shaft shoulder 17 keeping parallelisms;
(5) larynx hoop 3 is connected locking shoulder 1 on running shaft 16 along groove 2;
(6) installation is finished at cleaning equipment and scene.
The utility model method for dismounting is as follows:
⑴ dismounting larynx hoop 3;
(2) any point of the present utility model is cut off rear dismounting vertically;
(3) cleaning equipment and scene.Finish dismounting.
Claims (4)
1. automatic compensating axial end sealing, comprise shoulder, groove, neck, head, dust excluder lips, sealing lip, and a plurality of stress grooves and oil storage tank, it is characterized in that the shoulder, neck, head, dust excluder lips, sealing lip, stress groove and the oil storage tank that consist of this automatic compensating axial end sealing are the ring integrative-structure; The shoulder excircle is provided with groove, and the larynx hoop is housed on the groove; Neck, shoulder and the head structure that is connected as one, neck is the curved shape structure, dust excluder lips and sealing lip are separately positioned on a side of head, are respectively equipped with a stress groove on head inner circumference and the excircle, are respectively equipped with oil storage tank between dust excluder lips and the sealing lip.
2. automatic compensating axial end sealing according to claim 1 is characterized in that described shoulder links to each other with head by neck, and neck is 180 ° curved shape structure.
3. automatic compensating axial end according to claim 1 sealing is characterized in that, the larynx hoop is installed in the groove on the shoulder excircle by link.
4. automatic compensating axial end sealing according to claim 1 is characterized in that described head shaft laterally end face is provided with two-stage sealing lip and two-stage dust excluder lips; Between primary seal lip and the secondary seal lip, between secondary seal lip and the secondary dust excluder lips, and be respectively equipped with an oil storage tank between secondary dust excluder lips and the one-level dust excluder lips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220440849 CN202732977U (en) | 2012-09-01 | 2012-09-01 | Self-compensating axial end surface seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220440849 CN202732977U (en) | 2012-09-01 | 2012-09-01 | Self-compensating axial end surface seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202732977U true CN202732977U (en) | 2013-02-13 |
Family
ID=47658678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220440849 Expired - Fee Related CN202732977U (en) | 2012-09-01 | 2012-09-01 | Self-compensating axial end surface seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202732977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579337A (en) * | 2020-06-28 | 2020-08-25 | 西南石油大学 | High-temperature ultrahigh-pressure oil-gas fluid sample preparation device |
-
2012
- 2012-09-01 CN CN 201220440849 patent/CN202732977U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579337A (en) * | 2020-06-28 | 2020-08-25 | 西南石油大学 | High-temperature ultrahigh-pressure oil-gas fluid sample preparation device |
| CN111579337B (en) * | 2020-06-28 | 2022-06-21 | 西南石油大学 | High-temperature ultrahigh-pressure oil-gas fluid sample preparation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUBEI XINZHI SEALING ELEMENT CO., LTD. Free format text: FORMER OWNER: DENG LUNSHENG Effective date: 20130903 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130903 Address after: No. 435300 Huanggang Road, Hubei County in Qichun Province Yang Si Ling Industrial Park, energy-saving lamps Patentee after: HUBEI XINZHI SEALS CO.,LTD. Address before: No. 290 road 435300 Huanggang Caohe Caohe Town, Hubei County of Qichun Province Patentee before: Deng Lunsheng |
|
| ASS | Succession or assignment of patent right |
Owner name: DENG LUNSHENG Free format text: FORMER OWNER: HUBEI XINZHI SEALING ELEMENT CO., LTD. Effective date: 20150325 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150325 Address after: 435300, Hubei, Huanggang province Qichun River town pay fan neighborhood committee, Oriental Garden 5-A-1301 Patentee after: Deng Lunsheng Address before: No. 435300 Huanggang Road, Hubei County in Qichun Province Yang Si Ling Industrial Park, energy-saving lamps Patentee before: HUBEI XINZHI SEALS CO.,LTD. |
|
| ASS | Succession or assignment of patent right |
Owner name: HUBEI XINZHI SEALING ELEMENT CO., LTD. Free format text: FORMER OWNER: DENG LUNSHENG Effective date: 20150429 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150429 Address after: No. 435300 Huanggang Road, Hubei County in Qichun Province Yang Si Ling Industrial Park Patentee after: HUBEI XINZHI SEALS CO.,LTD. Address before: 435300, Hubei, Huanggang province Qichun River town pay fan neighborhood committee, Oriental Garden 5-A-1301 Patentee before: Deng Lunsheng |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20171130 Address after: 435300 Qichun County, Hubei Province, Chek Tung Village, Chek Tung town, Qichun County Patentee after: HUBEI XINZHI TECHNOLOGY CO.,LTD. Address before: No. 435300 Huanggang Road, Hubei County in Qichun Province Yang Si Ling Industrial Park Patentee before: HUBEI XINZHI SEALS CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20210901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |