CN102491064A - Double-oil-storage-chamber water-drainage type seal - Google Patents
Double-oil-storage-chamber water-drainage type seal Download PDFInfo
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- CN102491064A CN102491064A CN2011103949293A CN201110394929A CN102491064A CN 102491064 A CN102491064 A CN 102491064A CN 2011103949293 A CN2011103949293 A CN 2011103949293A CN 201110394929 A CN201110394929 A CN 201110394929A CN 102491064 A CN102491064 A CN 102491064A
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Abstract
The invention belongs to the field of sealing devices, and particularly relates to a double-oil-storage-chamber water-drainage type seal for a belt conveyor carrier roller. The double-oil-storage-chamber water-drainage type seal comprises an inner seal and an outer seal which are matched with each other, wherein an inner seal shaft hole is formed in the inner seal; an inner seal ring and an inner seal outer edge are arranged on the outer side of the shaft hole sequentially; an outer seal shaft sleeve is arranged on the outer seal; an outer seal shaft hole is formed in the outer seal; a first outer seal ring, a second outer seal ring and an outer seal outer edge are arranged on the outer side of the shaft sleeve sequentially; after assembly, the outer seal shaft sleeve is embedded into the inner seal shaft hole; the inner seal is embedded into a bearing pedestal; and a water drainage cavity is formed among the inner seal outer edge, the outer seal outer edge and the bearing pedestal. According to the double-oil-storage-chamber water-drainage type seal, the water drainage cavity is formed between the inner seal and the outer seal, so that water entering the sealing device can be drained from the lower side effectively; furthermore, the water is further centrifuged to the outer part through the rotation of the carrier roller; and the waterproof performance and the sealing property are high.
Description
Technical field
The invention belongs to the sealing arrangement field, relate in particular to a kind of two oil cabinet drainage type sealings that are used on the belt conveyer carrying roller.
Background technology
Carrying roller is the vitals on the belt conveyer, the effect that mainly play support, transmits load-transfer device.For many years, each uses the enterprise of belt conveyer, can not used this problem to perplex effectively for a long time by carrying roller always.Frequently changing carrying roller has disorderly become the daily major tasks that each applying unit must be considered.This thing happens will inevitably make enterprise increase maintenance of equipment cost and cost of labor, and then promotes the whole production operation cost, and this matter of principle of the wasting of resources also can't solve all the time in addition.As everyone knows, depend on bearing the service life of carrying roller; And bearing can be for a long time, the efficient use, depend on again hermetically-sealed construction and lubricating system combine whether reasonable.All the time, carrying roller leak free version all adopts maze-type structure both at home and abroad.For example; A kind of like this labyrinth type carrying roller sealing arrangement was just disclosed in the disclosed CN1696548A Chinese invention patent specification sheets on November 16th, 2005; Comprise carrying roller outer gland sealing lid, exterior seal ring; The sealing edge of carrying roller outer gland sealing lid embeds with exterior seal ring and cooperates, and on the sealing edge of carrying roller outer gland sealing lid, is provided with the changed course sealing arrangement.This labyrinth type carrying roller sealing arrangement utilization changes the method for object flow direction; Stoped trickle, dust, coal slime etc. under the principle of gravitation effect; Produce axial flow and get into the trend in the carrying roller hermetically-sealed construction, guarantee and prolonged the normal service life of carrying roller centre bearer (carrying roller just).Though dustproof, waterproof effect that this structure can play, waterproof effect is relatively poor, the phenomenon that still exists dust and water to invade frequently owing to lack the architectural feature outside the water discharge structure.
Summary of the invention
The present invention for solve the technical matters that exists in the known technology provide a kind of can be effectively with get into outside the leak free water discharge structure, two oil cabinet drainage types of good sealing effect seal.
The technical scheme that the present invention takes for the technical matters that exists in the solution known technology is: two oil cabinet drainage types sealings comprise interior sealing and the outer gland sealing that is used; Sealing axis hole in sealing is provided with in said; This axis hole outside is provided with inner seal ring and interior sealing outer successively, and said outer gland sealing is provided with the outer gland sealing axle sleeve, and its inside is provided with the outer gland sealing axis hole; Be provided with first outer seal ring, second outer seal ring and outer gland sealing outer successively in this axle sleeve outside; The said outer gland sealing axle sleeve in installation back embeds in the said interior sealing axis hole, and said interior sealing embeds in the bearing seat, forms drain chamber between said interior sealing outer, outer gland sealing outer and the said bearing seat.
The present invention can also adopt following technical scheme:
The distance of the said bearing seat of termination distance of said outer gland sealing outer is 1mm to 2mm.
Said inner seal ring falls between first outer seal ring and second outer seal ring, and forms long and narrow and tortuous seal channel, and the inlet of sealing passage is between interior sealing outer and outer gland sealing outer.
The inlet of said seal channel said outer gland sealing outer and said between the sealing outer the inboard 1mm of center line between the 2mm of the outside.
Be filled with lubricating grease in the said seal channel.
Form first oil cabinet in said between sealing and the outer gland sealing axle sleeve, form second oil cabinet between said outer gland sealing axle sleeve, first outer seal ring and the interior sealing.
Be filled with lubricating grease in said first oil cabinet and second oil cabinet.
Adopt interference fit between sealing and the said bearing seat in said.
Sealing and outer gland sealing are installed on the said bearing seat through the installation shaft that is located in the said outer gland sealing axle sleeve in said.
Advantage and good effect that the present invention has are: owing to adopted above-mentioned design, good sealing effect of the present invention.Through between interior sealing and outer gland sealing, drain chamber being set, can effectively the water that gets in the sealing arrangement be discharged from the below, utilize the rotation of carrying roller self that moisture is further centrifugal to outside simultaneously, water resistance is good.
Description of drawings
Fig. 1 is the cutaway view of the present invention when in running order;
Fig. 2 is the cutaway view of Fig. 1 bottom bracket;
Fig. 3 is Fig. 1 China and foreign countries leak free cutaway views;
Fig. 4 is an interior leak free cutaway view among Fig. 1.
Among the figure: 1, bearing seat; 2, drain chamber; 3, first oil cabinet; 4, interior sealing; 4-1, interior sealing axis hole; 4-2, interior sealing outer; 4-3, inner seal ring; 5, second oil cabinet; 6, outer gland sealing; 6-1, outer gland sealing axis hole; 6-2, outer gland sealing outer; 6-3, first outer seal ring; 6-4, second outer seal ring; 6-5, outer gland sealing axle sleeve.
The specific embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, the following examples of giving an example now, and conjunction with figs. specifies as follows:
See also Fig. 1 to Fig. 4, the present invention includes the interior sealing 4 and outer gland sealing 6 that are used.Sealing axis hole 4-1 in interior sealing 4 is provided with, this axis hole outside is provided with inner seal ring 4-3 and interior sealing outer 4-2 successively; Outer gland sealing 6 is provided with outer gland sealing axle sleeve 6-5, and its inside is provided with outer gland sealing axis hole 6-1, is provided with the first outer seal ring 6-3, the second outer seal ring 6-4 and outer gland sealing outer 6-2 successively in this axle sleeve outside.During installation, interior sealing 4 is installed on the bearing seat 1 through the installation shaft that is located in the outer gland sealing axle sleeve 6-5 with outer gland sealing 6.Among the sealing axis hole 4-1, interior sealing 4 embedded in the bearing seat 1 and adopts interference fit in outer gland sealing axle sleeve 6-5 embedded.Between interior sealing outer 4-2, outer gland sealing outer 6-2 and bearing seat 1, form drain chamber 2.In order to guarantee drainage effect preferably, let moisture still less get into hermetically-sealed construction inside, need do concrete qualification to some apart from size, wherein the distance of the termination distance axis bearing 1 of outer gland sealing outer 6-2 is 1mm to 2mm; Inner seal ring 4-3 falls between the first outer seal ring 6-3 and the second outer seal ring 6-4 and forms long and narrow and tortuous seal channel, and the inboard 1mm of the inlet of sealing passage center line between outer gland sealing outer 6-2 and interior sealing outer 4-2 is between the 2mm of the outside.Between interior sealing 4 and outer gland sealing axle sleeve 6-5, form first oil cabinet 3, form second oil cabinet 5 outside between sealing axle sleeve 6-5, the first outer seal ring 6-3 and the interior sealing 4.In order to guarantee lubricant effect, it is inner to avoid foreign matters such as dust, coal slime to get into hermetically-sealed construction along seal channel simultaneously, in seal channel, in first oil cabinet 3 and second oil cabinet 5, is filled with lubricating grease.
The working process of this instance: during the belt conveyer operation, idler stand is lived belt and top material, as carrying roller line of centers rotation in the function of friction lower edge of belt of flower wheel.At this moment, outer gland sealing 6 is fixed, and interior sealing 4 is rotated with bearing seat 1, thereby relative motion has been arranged between the inside and outside sealing.When moisture got into the sealing structure, these moisture can flow out the below along drain chamber 2 from hermetically-sealed construction.The high speed rotating of carrying roller itself also can be discharged with centrifugal mode portion of water from the gap between outer gland sealing outer 6-2 and the bearing seat 1.
More than one embodiment of the present of invention are specified, but said content is merely preferred embodiment of the present invention, can not be considered to be used to limit practical range of the present invention.All equalizations of doing according to application range of the present invention change and improve etc., all should still belong within the patent covering scope of the present invention.
Claims (9)
1. two oil cabinet drainage type sealing; Comprise the interior sealing and the outer gland sealing that are used, sealing axis hole in said interior sealing is provided with, this axis hole outside is provided with inner seal ring and interior sealing outer successively; Said outer gland sealing is provided with the outer gland sealing axle sleeve; Its inside is provided with the outer gland sealing axis hole, is provided with first outer seal ring, second outer seal ring and outer gland sealing outer successively in this axle sleeve outside, the said outer gland sealing axle sleeve in back is installed is embedded in the said interior sealing axis hole; Sealing embeds in the bearing seat in said, it is characterized in that: form drain chamber between sealing outer, outer gland sealing outer and the said bearing seat in said.
2. according to described pair of oil cabinet drainage type sealing of claim 1, it is characterized in that: the distance of the said bearing seat of termination distance of said outer gland sealing outer is 1mm to 2mm.
3. according to described pair of oil cabinet drainage type sealing of claim 1; It is characterized in that: said inner seal ring falls between first outer seal ring and second outer seal ring; And forming long and narrow and tortuous seal channel, the inlet of sealing passage is between interior sealing outer and outer gland sealing outer.
4. according to the sealing of the described pair of oil cabinet drainage type of claim 3, it is characterized in that: the inlet of said seal channel said outer gland sealing outer with said in seal center line between the outer inboard 1mm between the 2mm of the outside.
5. according to described pair of oil cabinet drainage type sealing of claim 4, it is characterized in that: be filled with lubricating grease in the said seal channel.
6. according to described pair of oil cabinet drainage type sealing of claim 1, it is characterized in that: form first oil cabinet in said between sealing and the outer gland sealing axle sleeve, form second oil cabinet between said outer gland sealing axle sleeve, first outer seal ring and the interior sealing.
7. according to described pair of oil cabinet drainage type sealing of claim 6, it is characterized in that: be filled with lubricating grease in said first oil cabinet and second oil cabinet.
8. according to described pair of oil cabinet drainage type sealing of claim 1, it is characterized in that: adopt interference fit between sealing and the said bearing seat in said.
9. according to described pair of oil cabinet drainage type sealing of claim 1, it is characterized in that: sealing and outer gland sealing are installed on the said bearing seat through the installation shaft that is located in the said outer gland sealing axle sleeve in said.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103949293A CN102491064A (en) | 2011-12-02 | 2011-12-02 | Double-oil-storage-chamber water-drainage type seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103949293A CN102491064A (en) | 2011-12-02 | 2011-12-02 | Double-oil-storage-chamber water-drainage type seal |
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| Publication Number | Publication Date |
|---|---|
| CN102491064A true CN102491064A (en) | 2012-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103949293A Pending CN102491064A (en) | 2011-12-02 | 2011-12-02 | Double-oil-storage-chamber water-drainage type seal |
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| CN (1) | CN102491064A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744580A (en) * | 2017-01-04 | 2017-05-31 | 绍兴德胜智能科技有限公司 | One kind automation envelope altar system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3103319A1 (en) * | 1981-01-31 | 1982-08-12 | Goetze Ag, 5093 Burscheid | Lip sealing ring |
| CN1696548A (en) * | 2004-05-11 | 2005-11-16 | 孙明昭 | Labyrinth type sealing arrangement for supporting roller |
| CN2793454Y (en) * | 2005-03-17 | 2006-07-05 | 焦作三岛输送机械有限公司 | Gap sealing structure with triple bending cavity |
| JP2007195307A (en) * | 2006-01-18 | 2007-08-02 | Hitachi Industrial Equipment Systems Co Ltd | Water sealing submersible motor |
| WO2009004510A1 (en) * | 2007-07-02 | 2009-01-08 | Lorbrand (Pty) Ltd | Lightweight idler roller |
| CN201461952U (en) * | 2009-07-10 | 2010-05-12 | 天津三岛输送机械有限公司 | Internal labyrinth cavity gap type sealing structure |
| CA2746726A1 (en) * | 2008-12-12 | 2010-06-17 | Flowserve Management Company | Pump seal |
| CN202379420U (en) * | 2011-12-02 | 2012-08-15 | 天津三岛科技发展有限公司 | Drainage seal with double oil storage chambers |
-
2011
- 2011-12-02 CN CN2011103949293A patent/CN102491064A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3103319A1 (en) * | 1981-01-31 | 1982-08-12 | Goetze Ag, 5093 Burscheid | Lip sealing ring |
| CN1696548A (en) * | 2004-05-11 | 2005-11-16 | 孙明昭 | Labyrinth type sealing arrangement for supporting roller |
| CN2793454Y (en) * | 2005-03-17 | 2006-07-05 | 焦作三岛输送机械有限公司 | Gap sealing structure with triple bending cavity |
| JP2007195307A (en) * | 2006-01-18 | 2007-08-02 | Hitachi Industrial Equipment Systems Co Ltd | Water sealing submersible motor |
| WO2009004510A1 (en) * | 2007-07-02 | 2009-01-08 | Lorbrand (Pty) Ltd | Lightweight idler roller |
| CA2746726A1 (en) * | 2008-12-12 | 2010-06-17 | Flowserve Management Company | Pump seal |
| CN201461952U (en) * | 2009-07-10 | 2010-05-12 | 天津三岛输送机械有限公司 | Internal labyrinth cavity gap type sealing structure |
| CN202379420U (en) * | 2011-12-02 | 2012-08-15 | 天津三岛科技发展有限公司 | Drainage seal with double oil storage chambers |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744580A (en) * | 2017-01-04 | 2017-05-31 | 绍兴德胜智能科技有限公司 | One kind automation envelope altar system |
| CN106744580B (en) * | 2017-01-04 | 2022-11-11 | 绍兴德胜智能科技有限公司 | Automatic jar sealing system |
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Application publication date: 20120613 |