CN203548922U - Externally-mounted double-lip framework oil seal - Google Patents
Externally-mounted double-lip framework oil seal Download PDFInfo
- Publication number
- CN203548922U CN203548922U CN201320784915.7U CN201320784915U CN203548922U CN 203548922 U CN203548922 U CN 203548922U CN 201320784915 U CN201320784915 U CN 201320784915U CN 203548922 U CN203548922 U CN 203548922U
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- China
- Prior art keywords
- lip
- framework oil
- skeleton
- mounted double
- spring groove
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000007789 sealing Methods 0.000 claims abstract description 66
- 239000000428 dust Substances 0.000 claims abstract description 3
- 239000003921 oil Substances 0.000 abstract description 49
- 239000010687 lubricating oil Substances 0.000 abstract description 2
- 239000004519 grease Substances 0.000 abstract 2
- 239000012535 impurity Substances 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
- YAFQFNOUYXZVPZ-UHFFFAOYSA-N liproxstatin-1 Chemical compound ClC1=CC=CC(CNC=2C3(CCNCC3)NC3=CC=CC=C3N=2)=C1 YAFQFNOUYXZVPZ-UHFFFAOYSA-N 0.000 description 10
- 238000009434 installation Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model relates to a lubricating oil (grease) sealing device for a bearing box or a gear box for a rotating shaft of mechanical equipment, in particular to an externally-mounted double-lip framework oil seal. The externally-mounted double-lip framework oil seal comprises a sealing lip, a crown portion, a spring groove, a limiting step, a shoulder portion, a back portion, a waist portion, a secondary lip and a locating slot, wherein the sealing lip, the crown portion, the spring groove, the limiting step, the shoulder portion, the back portion, the waist portion, the secondary lip and the locating slot form the integral structure of the externally-mounted double-lip framework oil seal. The sealing lip is located on the outer side of the crown portion. The spring groove is located on the inner side of the crown portion. The secondary lip is located on the outer side of the waist portion. The externally-mounted double-lip framework oil seal further comprises a ring gasket type framework and an L-shaped framework. The limiting step, the shoulder portion, the back portion, the secondary lip, the waist portion, the crown portion, the sealing lip, the spring groove, the ring gasket type framework and the L-shaped framework are connected into a whole. A spring is arranged in the spring groove. The secondary lip is used for preventing outside moisture, smoke dust and other impurities from entering a sealing cavity. The sealing lip is used for preventing oil (grease) in the sealing cavity from leaking. The externally-mounted double-lip framework oil seal completely solves the problem that an existing framework oil seal is inconvenient to dismantle on line, and is simple in structure, low in cost, high in adaptability, convenient to replace on line and capable of completely replacing a standard framework oil seal.
Description
Technical field
The utility model relates in a kind of machinery bearing housing or gear box lubricating oil (fat) seal arrangement, specifically a kind of external mounted Double-lip framework oil sealing for running shaft.
Background technique
Oil sealing on market (as GB GB/T9877.1～9877.3--1998 defined), its profile is integral ring-shaped closing structure, this structural entity good seal performance is easy for installation, but online dismounting is comparatively difficult.During online dismounting, must it be plucked out narrow space between Seal cage and running shaft with special tool, very difficult, and easily to running shaft, cause damage.So traditional standard outside framework oil seal is the inadaptable online requirement of changing.
Two split type combination oil seals (patent No. ZL 201120490390.7) of releasing in the market and make bit-type Split type framework oil seal (patent No. ZL 201220075751.6) by oneself and all possess to facilitate and mount and dismount online and seal the advantages such as reliable, effective assurance is provided to online replacing of rotation axis seal, but expensive because of it, only be applicable to online replacing or transformation, and be not suitable for just dress of batch.
Summary of the invention
The purpose of this utility model is to solve prior art and dismantles online inconvenient problem, a kind of structure being connected as a single entity by sealing lip, bizet, spring groove, ring pulvilliform skeleton, L shaped skeleton, limited step, shoulder, back, waist, secondary lip, locating slot is provided, and mounting spring applies pretightening force to sealing lip in spring groove, installation and removal are convenient, seal reliable external mounted Double-lip framework oil sealing.
Solve the problems of the technologies described above by the following technical solutions:
A kind of external mounted Double-lip framework oil sealing, comprise the sealing lip, bizet, spring groove, limited step, shoulder, back, waist, secondary lip, the locating slot that form external mounted Double-lip framework oil sealing integrative-structure, sealing lip is positioned at bizet outside, spring groove is positioned at bizet inner side, secondary lip is positioned at waist outside, it is characterized in that, also comprises ring pulvilliform skeleton and L shaped skeleton, ring pulvilliform skeleton, L shaped skeleton are connected as a single entity, and are arranged in back, shoulder and limited step; Described limited step and shoulder, back, dust excluder lips, waist, bizet, sealing lip, spring groove are connected as a single entity, and are provided with spring in spring groove.
Further, described ring pulvilliform skeleton excircle part and L shaped skeleton bottom are structure as a whole.
Further, described ring pulvilliform skeleton is split type ring structure, is arranged in limited step and back.
Further, described L shaped skeleton is part split type ring structure, is arranged in shoulder and limited step, and the front end of L shaped skeleton is connected, and middle part and bottom are split type.
Further, described limited step is positioned on the excircle of shoulder and intersection, back, is connected as a single entity with shoulder and back.
Further, described ring pulvilliform skeleton and L shaped skeleton expose to oil sealing body completely or are coated in oil sealing body.
Further, axial two middle side parts in described back have locating slot.
According to technique scheme, ring pulvilliform skeleton of the present utility model and the affixed one of L shaped skeleton or all-in-one-piece structure processed, not only solved well the support strength problem at shoulder and back, its part that is placed in limited step provides enough mechanical strengths to online dismounting.
According to technique scheme, ring pulvilliform skeleton of the present utility model and L shaped skeleton are respectively split type and part split type structure, when not affecting product processing and product size and performance, to being dismantled and disassemble online, removing, provide convenience.
The utility model can be made mould batch process, and complete alternate standard outside framework oil seal, with low cost, easy to use, is widely used.Installation method is identical with standard outside framework oil seal, and dismounting only needs flat mouth screw-driver to insert between limited step and equipment end cap and prize Seal cage, then cuts skeleton subdivision place with blade, can like a cork external mounted Double-lip framework oil sealing be removed.For next step, Split oil seal (or claiming open oil) that is applicable to installing being online installed facilitates.
Compared with prior art, remarkable result of the present utility model is:
(1) while installing, not changing is the designed size of standard outside framework oil seal, space and installation method originally, and guarantees to realize sealability and the effect identical with standard outside framework oil seal.
(2) while dismantling online, only need flat mouth screw-driver to insert between external mounted Double-lip framework oil sealing limited step and equipment end cap external mounted Double-lip framework oil sealing is prized to Seal cage, then with blade, cut off rubber or other materials at skeleton subdivision place, i.e. dismountable external mounted Double-lip framework oil sealing.For next step, Split oil seal (or claiming open oil) that is applicable to installing being online installed facilitates.
(3) adopt ring pulvilliform skeleton and the affixed one of L shaped skeleton or all-in-one-piece structure processed, not only solved well the support strength problem at shoulder and back, its part that is placed in limited step provides enough mechanical strengths to online dismounting.
(4) the ring pulvilliform skeleton that adopted and L shaped skeleton are respectively split type and part split type structure, when not affecting product processing and product size and performance, to being dismantled and disassemble online, removing, provide convenience.
(5) simple in structure, to process easyly, cost is lower, strong adaptability, convenient dismounting online, can effectively increase work efficiency, save time and reduce cost of equipment maintenance.
(6) limited step design of bag skeleton in it, can substitute in traditional design for compressing traditional outside framework oil seal in the gland of Seal cage, has both saved the cost of gland, can suitably shorten again the axial dimension of equipment, can greatly save device fabrication cost.
Accompanying drawing explanation
Fig. 1 is plan view of the present utility model.
Fig. 2 is sectional view of the present utility model, is that Figure 1A-A is to sectional view.
Fig. 3 is erection drawing of the present utility model.
In figure: sealing lip 1, bizet 2, spring groove 3, spring 4, ring pulvilliform skeleton 5, L shaped skeleton 6, limited step 7, ring pulvilliform skeleton 5 joints 8, shoulder 9, back 10, waist 11, secondary lip 12, ring pulvilliform skeleton 5 subdivision places 13, L shaped skeleton 6 subdivision places 14, seal chamber 15, Seal cage end face 16, Seal cage 17, running shaft 18, locating slot 19, locating slot 20.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
The present embodiment discloses a kind of external mounted Double-lip framework oil sealing, its design philosophy is: design ring pulvilliform skeleton 5 and L shaped skeleton 6, by ring pulvilliform skeleton 5, the affixed one of L shaped skeleton 6 or all-in-one-piece structure processed, the common radial and axial supporting mechanism that forms external mounted Double-lip framework oil sealing, solves the support strength problem at shoulder 9 and back 10.The part that is placed in limited step 7 with ring pulvilliform skeleton 5, L shaped skeleton 6 provides enough mechanical strengths to online dismounting.With split type and the part split type structure of ring pulvilliform skeleton 5 and L shaped skeleton 6, dismantled and disassembled online, remove and provide convenience.
Concrete structure is shown in Fig. 1-Fig. 3.
Referring to accompanying drawing 1, accompanying drawing 2, the present embodiment is comprised of the sealing lip 1, bizet 2, spring groove 3, spring 4, ring pulvilliform skeleton 5, L shaped skeleton 6, limited step 7, ring pulvilliform skeleton 5 joints 8, shoulder 9, back 10, waist 11, secondary lip 12, ring pulvilliform skeleton 5 subdivision places 13, L shaped skeleton 6 subdivision places 14, locating slot 19, the locating slot 20 that form external mounted Double-lip framework oil sealing integrative-structure.Sealing lip 1 is positioned at bizet 2 outsides, spring groove 3 is positioned at bizet 2 inner sides, secondary lip 12 is positioned at waist 11 outsides, limited step 7 is connected as a single entity with shoulder 9, back 10, waist 11, secondary lip 12, bizet 2, sealing lip 1, spring groove 3, limited step 7 is positioned on the excircle of shoulder 9 and 10 intersections, back, and spring 4 is independently arranged in spring groove 3.Limited step 7 is connected as a single entity with shoulder 9 and back 10, its role is to convenient installation and online dismounting, and can be the cost that equipment manufacturers save traditional oils sealed cover.Ring pulvilliform skeleton 5 is split type ring structure, be arranged in limited step 7 and back 10, its excircle part and L shaped skeleton 6 fix as one or make one, and axial two middle side parts in back 10 have for encircling locating slot 19 and the locating slot 20 of pulvilliform skeleton 5 location.L shaped skeleton 6 is part split type ring structure, is arranged in shoulder 9 and limited step 7, and its front end is connected, and middle part and bottom are split type, and its bottom is welded as a whole or directly makes integrative-structure with ring pulvilliform skeleton 5.For meeting distinct device operating mode needs, ring pulvilliform skeleton 5 and L shaped skeleton 6 can be made into integrative-structure or fix as one and expose oil sealing body completely and do not need to cover rubber or other materials.
What 13 in Fig. 1,14 showed is ring pulvilliform skeleton 5 subdivision places 13, L shaped skeleton 6 subdivision places 14.
Referring to accompanying drawing 3, external mounted Double-lip framework oil sealing is sleeved on running shaft 18 vertically, adopts special tooling to be pressed into the Seal cage 17 being arranged on seal chamber 15, makes limited step 7 be adjacent to Seal cage end face 16.
Each parts functions and principles of the present utility model:
Referring to Fig. 1,2,3, during installation, spring 4 is hung in spring groove 3, vertically external mounted Double-lip framework oil sealing is placed on running shaft 18, with special tooling, be pressed into the Seal cage 17 that is arranged in seal chamber 15, make limited step 7 be adjacent to Seal cage end face 16.Complete installation.
Referring to Fig. 3, change online Split oil seal when (or claiming open oil), must remove online external mounted Double-lip framework oil sealing.During dismounting, only need to insert between limited step 7 and Seal cage end face 16 with flat mouth screw-driver, external mounted Double-lip framework oil sealing is prized to Seal cage 17, and then with blade, cut off rubber or other material parts that is arranged in ring pulvilliform skeleton 5 subdivision places 13 and L shaped skeleton 6 subdivision places 14, then with cutting pliers, external mounted Double-lip framework oil sealing is broken to folding and remove.
The medium that sealing lip 1 sealing leaks along running shaft 18; Spring 4 applies pretightening force by bizet 2 to sealing lip 1, and assurance sealing lip 1 is followed for a long time and holds running shaft 18 tightly, thus the sealing effect of realizing ideal.Spring groove 3 is for mounting spring 4; Ring pulvilliform skeleton 5, L shaped skeleton 6 provide respectively axially and radial support power; Ring pulvilliform skeleton 5 subdivision places 13, L shaped skeleton 6 subdivision places 14 provide convenience for convenience of online dismounting; Limited step 7 is provided convenience for prizing online external mounted Double-lip framework oil sealing, and the convenient location of installing, also can save a sealing gland simultaneously; Ring pulvilliform skeleton 5 joints 8 are for guaranteeing product processing circularity and size; Shoulder 9 for radially fixedly external mounted Double-lip framework oil sealing in Seal cage 17; Back 10 is for connecting limited step 7, shoulder 9, secondary lip 12, waist 11, bizet 2, spring groove 3, sealing lip 1; Waist 11 is for auxiliary connection lip 12, bizet 2, spring groove 3, sealing lip 1; Secondary lip 12 is for stoping extraneous steam flue dust to invade Seal cage 17 along running shaft 18; Locating slot 19,20 is respectively used to add man-hour to ring pulvilliform skeleton 5 location.
Installation method of the present utility model:
(1) clean running shaft 18, seal chamber 15, Seal cage end face 16, Seal cage 17 and other adjacent regions and parts.
(2) after spring 4 being connected, be installed in spring groove 3.
(3) moderate lubrication fat is smeared in waist 11 outsides between sealing lip 1 and secondary lip 12, then by external mounted Double-lip framework oil sealing along running shaft 18 push to and indentation sealing cavity 15 in Seal cage 17 in, make limited step 7 be adjacent to Seal cage end face 16.Complete installation.
Method for dismounting of the present utility model:
(1) with flat mouth screw-driver, insert between limited step 7 and Seal cage end face 16, external mounted Double-lip framework oil sealing is prized to Seal cage 17.
(2) cut off the spring 4 that is arranged in spring groove 3.
(3) with blade, cut off rubber or other materials being positioned in ring pulvilliform skeleton 5 subdivision places 13 and L shaped skeleton 6 subdivision places 14, then with cutting pliers, external mounted Double-lip framework oil sealing is broken to folding and remove.
Above-described embodiment has only been expressed a kind of mode of execution of the present utility model, but can not therefore be interpreted as the restriction to the utility model scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (7)
1. an external mounted Double-lip framework oil sealing, comprise the sealing lip, bizet, spring groove, limited step, shoulder, back, waist, secondary lip, the locating slot that form external mounted Double-lip framework oil sealing integrative-structure, sealing lip is positioned at bizet outside, spring groove is positioned at bizet inner side, secondary lip is positioned at waist outside, it is characterized in that, also comprises ring pulvilliform skeleton and L shaped skeleton, ring pulvilliform skeleton, L shaped skeleton are integrated, and are arranged in back, shoulder and limited step; Described limited step and shoulder, back, dust excluder lips, waist, bizet, sealing lip, spring groove are connected as a single entity, and are provided with spring in spring groove.
2. external mounted Double-lip framework oil sealing according to claim 1, is characterized in that, described ring pulvilliform skeleton excircle part and L shaped skeleton bottom is affixed or make integrative-structure.
3. external mounted Double-lip framework oil sealing according to claim 1 and 2, is characterized in that, described ring pulvilliform skeleton is split type ring structure, is arranged in limited step and back.
4. external mounted Double-lip framework oil sealing according to claim 1 and 2, is characterized in that, described L shaped skeleton is part split type ring structure, is arranged in shoulder and limited step, and the front end of L shaped skeleton is connected, and middle part and bottom are split type.
5. external mounted Double-lip framework oil sealing according to claim 1, is characterized in that, described limited step is positioned on the excircle of shoulder and intersection, back, is connected as a single entity with shoulder and back.
6. external mounted Double-lip framework oil sealing according to claim 1, is characterized in that, described ring pulvilliform skeleton and L shaped skeleton expose to oil sealing body completely or be coated in oil sealing body.
7. external mounted Double-lip framework oil sealing according to claim 1, is characterized in that, axial two middle side parts in described back have locating slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320784915.7U CN203548922U (en) | 2013-12-04 | 2013-12-04 | Externally-mounted double-lip framework oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320784915.7U CN203548922U (en) | 2013-12-04 | 2013-12-04 | Externally-mounted double-lip framework oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203548922U true CN203548922U (en) | 2014-04-16 |
Family
ID=50467042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320784915.7U Expired - Lifetime CN203548922U (en) | 2013-12-04 | 2013-12-04 | Externally-mounted double-lip framework oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203548922U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574037A (en) * | 2013-12-04 | 2014-02-12 | 湖北新置密封件有限公司 | Outside mounted type two-lip framework oil seal |
| CN104948745A (en) * | 2015-05-08 | 2015-09-30 | 重庆长安汽车股份有限公司 | Dust cover of steering shaft of automobile |
-
2013
- 2013-12-04 CN CN201320784915.7U patent/CN203548922U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574037A (en) * | 2013-12-04 | 2014-02-12 | 湖北新置密封件有限公司 | Outside mounted type two-lip framework oil seal |
| CN103574037B (en) * | 2013-12-04 | 2016-06-15 | 湖北新置密封件有限公司 | Fitted outside Double-lip framework oil sealing |
| CN104948745A (en) * | 2015-05-08 | 2015-09-30 | 重庆长安汽车股份有限公司 | Dust cover of steering shaft of automobile |
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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: 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 energy-saving industrial park 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: 20150430 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150430 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 | ||
| 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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |