CN106641264A - Mixed friction type self-lubricating rotary sealing device - Google Patents
Mixed friction type self-lubricating rotary sealing device Download PDFInfo
- Publication number
- CN106641264A CN106641264A CN201710076007.5A CN201710076007A CN106641264A CN 106641264 A CN106641264 A CN 106641264A CN 201710076007 A CN201710076007 A CN 201710076007A CN 106641264 A CN106641264 A CN 106641264A
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- CN
- China
- Prior art keywords
- sleeve
- sealing
- liquid
- pipe
- sealing block
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/162—Special parts or details relating to lubrication or cooling of the sealing itself
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Mechanical Sealing (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses a mixed friction type self-lubricating rotary sealing device which comprises a liquid input pipe. A first sleeve is arranged at one end of the liquid input pipe. A liquid level height limiting plate is embedded into the first sleeve. A first sealing gasket is arranged on one side of the liquid level height limiting plate. One end of the first sleeve is connected with a second sleeve through a bolt. A bearing is embedded in the inner side of the second sleeve. A liquid output pipe is embedded in the inner side of the bearing. A sealing block is arranged on one side of the liquid output pipe. A flow guide groove is formed in one side of the sealing block. A liquid outlet is formed in the lower end of the second sleeve. A sealing head is in screw connection with one end of the liquid outlet. A through hole matched with the liquid output pipe is formed in the middle position of the sealing block. The mixed friction type self-lubricating rotary sealing device is simple in structure, by means of arrangement of an internal space, the sealing block can be in a liquid soaking state all the time, a mixed friction effect is achieved in the rotating process of the sealing block, the service life of the sealing device is prolonged, and pressure in the rotating process is reduced.
Description
Technical field
The present invention relates to seal nipple technical field, specially a kind of mixed film friction formula self-lubricating rotary sealing appts.
Background technology
Sealing in machine (or equipment) between relative motion part.Dynamic sealing is divided into reciprocating dynamic sealing and rotary dynamic close
Seal two classes.Reciprocating dynamic sealing has shaped packing seal, packing box seal and expansion ring seale.Rotary dynamic sealing has：Movement parts
With the contact dynamic sealing of static element directly contact；The contactless dynamic sealing that both are not directly contacted with；Using being added on sealing
The special nature of fluid reaches the semifluid dynamic sealing of sealing in gap.Semifluid dynamic sealing has magnet fluid sealing.Some machines
With equipment must positive confinement, some permissions leak on a small quantity, so should be according to the property of working media, temperature, pressure and relative
The structural shape of sealing is selected or designed to the operating conditions such as speed and the requirement to sealing property etc..Swivel joint is that fluid is situated between
Matter is input to the connection sealing device in slewing from static duct, and it generally comprises housing, hollow shaft, bearing, sealing ring
And cylindrical spring, fluid passage is provided with the housing, the hollow shaft is connected with fluid passage and realizes that liquid conveys work(
Can, the bearing is arranged between hollow shaft and housing, and the sealing ring and cylindrical spring are arranged in fluid passage, the sealing ring
One end is inconsistent with cylindrical spring, and the other end is then against in hollow shaft so as to play a part of dynamic sealing.
Existing rotary sealing appts mostly are mechanical boundary friction structure, and this structural friction force is big, in-convenience in use, and
When intraware occurs corrosion or long-term rotation energetically causes intraware dislocation to damage, the use of sealing device can be affected.
The content of the invention
It is an object of the invention to provide a kind of mixed film friction formula self-lubricating rotary sealing appts, to solve above-mentioned background skill
The problem proposed in art.
For achieving the above object, the present invention provides following technical scheme：A kind of mixed film friction formula self-lubricating rotatory sealing dress
Put, including feed tube, described feed tube one end is provided with the first sleeve, and first sleeve inner is embedded with liquid level height limiting plate, described
Liquid level height limiting plate side is provided with the first seal washer, and described first sleeve one end has been bolted second sleeve, and described
Two sleeves inner side is embedded with bearing, and the bearing inner side is embedded with drain pipe, and the drain pipe side is provided with sealing block, the sealing block
Side is provided with guiding gutter, and the second sleeve lower end is provided with liquid outlet, and described liquid outlet one end is bolted with seal head, the sealing
Block centre position is provided with the through hole matched with drain pipe.
Preferably, the drain pipe side is provided with the second seal washer, and second seal washer is located at sealing block and the
Between two sleeves.
Preferably, the drain pipe side is provided with sleeve pipe, and described sleeve pipe side is provided with clip slot.
Preferably, described drain pipe one end slidably connects joint, and sealing gasket, institute are provided between the joint and drain pipe
State joint inner side and be provided with screw thread.
Preferably, the first sleeve upper end is provided with fixed block.
Compared with prior art, the invention has the beneficial effects as follows：Present configuration is simple, and the setting of inner space, makes
Obtaining sealing block can be constantly in the state of liquid immersion so that the process that sealing block is rotated reaches the effect of mixed film friction, carries
The service life of highly dense seal apparatus, reduces pressure during rotation.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is internal structure schematic diagram of the present invention；
Fig. 3 is sealing block structural representation of the present invention.
In figure：1 feed tube, 2 first sleeves, 3 liquid level height limiting plates, 4 first seal washers, 5 second sleeves, 6 bearings, 7 go out
Liquid pipe, 8 sealing blocks, 9 guiding gutters, 10 liquid outlets, 11 seal heads, 12 through holes, 13 second seal washers, 14 sleeve pipes, 15 clip slots, 16
Joint, 17 sealing gaskets, 18 screw threads, 19 fixed blocks.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme：A kind of mixed film friction formula self-lubricating rotary sealing appts,
Including feed tube 1, tell that the one end of feed tube 1 is provided with the first sleeve 2, liquid level height limiting plate 3, institute are embedded with inside first sleeve 2
State the side of liquid level height limiting plate 3 and be provided with the first seal washer 4, described one end of first sleeve 2 has been bolted second sleeve 5,
The inner side of the second sleeve 5 is embedded with bearing 6, and the inner side of the bearing 6 is embedded with drain pipe 7, and the side of the drain pipe 7 is provided with sealing block
8, the side of the sealing block 8 is provided with guiding gutter 9, and the lower end of the second sleeve 5 is provided with liquid outlet 10, one end spiral shell of the liquid outlet 10
Seal head 11 is connected to, the centre position of the sealing block 8 is provided with the through hole 12 matched with drain pipe 7.
Further, the side of the drain pipe 7 is provided with the second seal washer 13, and second seal washer 13 is located at sealing
Between block 8 and second sleeve 5.
Further, the side of the drain pipe 7 is provided with sleeve pipe 14, and the side of described sleeve pipe 14 is provided with clip slot 15.
Further, the one end of the drain pipe 7 slidably connects joint 16, is provided between the joint 16 and drain pipe 7
Sealing gasket 17, the inner side of the joint 16 is provided with screw thread 18.
Further, the upper end of the first sleeve 2 is provided with fixed block 19.
Operation principle：A kind of mixed film friction formula self-lubricating rotary sealing appts of the present invention, need to rotate sleeve pipe 14 when using,
The sealing block 8 for driving drain pipe 7 side is rotated so that the breach of sealing block 8 against liquid level height limiting plate 3 upper end, in feed tube 1
Liquid can along breach from through hole 12 enter the one end of drain pipe 7 fluid reservoir, need release liquid when, sleeve pipe 14 is rotated
So that the guiding gutter 9 of the side of sealing block 8 is against liquid outlet 10, seal head 11 is opened, liquid can flow out.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. a kind of mixed film friction formula self-lubricating rotary sealing appts, including feed tube (1), it is characterised in that：The feed tube (1)
One end is provided with the first sleeve (2), and inside first sleeve (2) liquid level height limiting plate (3), the liquid level height limiting plate (3) are embedded with
Side is provided with the first seal washer (4), and described first sleeve (2) one end has been bolted second sleeve (5), described second set
Cylinder (5) inner side is embedded with bearing (6), and bearing (6) inner side is embedded with drain pipe (7), and drain pipe (7) side is provided with sealing block
(8), sealing block (8) side is provided with guiding gutter (9), and second sleeve (5) lower end is provided with liquid outlet (10), it is described go out liquid
Mouth (10) one end is bolted with seal head (11), and sealing block (8) centre position is provided with the through hole matched with drain pipe (7)
(12)。
2. a kind of mixed film friction formula self-lubricating rotary sealing appts according to claim 1, it is characterised in that：It is described go out liquid
Pipe (7) side is provided with the second seal washer (13), and second seal washer (13) is positioned at sealing block (8) and second sleeve (5)
Between.
3. a kind of mixed film friction formula self-lubricating rotary sealing appts according to claim 1, it is characterised in that：It is described go out liquid
Pipe (7) side is provided with sleeve pipe (14), and described sleeve pipe (14) side is provided with clip slot (15).
4. a kind of mixed film friction formula self-lubricating rotary sealing appts according to claim 1, it is characterised in that：It is described go out liquid
Pipe (7) one end slidably connects joint (16), and sealing gasket (17) is provided between the joint (16) and drain pipe (7), described to connect
Head (16) inner side is provided with screw thread (18).
5. a kind of mixed film friction formula self-lubricating rotary sealing appts according to claim 1, it is characterised in that：Described first
Sleeve (2) upper end is provided with fixed block (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710076007.5A CN106641264B (en) | 2017-02-13 | 2017-02-13 | A kind of mixed film friction formula self-lubricating rotary sealing appts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710076007.5A CN106641264B (en) | 2017-02-13 | 2017-02-13 | A kind of mixed film friction formula self-lubricating rotary sealing appts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106641264A true CN106641264A (en) | 2017-05-10 |
| CN106641264B CN106641264B (en) | 2019-03-01 |
Family
ID=58845854
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710076007.5A Active CN106641264B (en) | 2017-02-13 | 2017-02-13 | A kind of mixed film friction formula self-lubricating rotary sealing appts |
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| Country | Link |
|---|---|
| CN (1) | CN106641264B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847430A (en) * | 2021-09-16 | 2021-12-28 | 宣达实业集团有限公司 | Sour gas self-sealing system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202195197U (en) * | 2011-08-12 | 2012-04-18 | 泉州市玉杰旋转接头金属软管有限公司 | High temperature high speed rotation connector |
| CN203488885U (en) * | 2013-09-06 | 2014-03-19 | 滕州飞旋旋转接头制造有限公司 | Low-pressure and high-speed rotating connector |
| CN203979714U (en) * | 2014-05-26 | 2014-12-03 | 重庆滟昭汽车科技有限公司 | A kind of rotating sealing device |
| CN204628879U (en) * | 2015-05-27 | 2015-09-09 | 董耀峰 | A kind of high temperature high voltage resistant self-lubricating swivel joint |
| CN205371893U (en) * | 2016-01-13 | 2016-07-06 | 辽宁天利再造科技股份有限公司 | Magnetic seal rotary joint |
| DE102015110988A1 (en) * | 2015-07-07 | 2017-01-12 | GAT Gesellschaft für Antriebstechnik mbH | Leak-reduced rotary feedthrough |
| CN206637037U (en) * | 2017-02-13 | 2017-11-14 | 福建省闽旋科技股份有限公司 | A kind of mixed film friction formula self-lubricating rotary sealing appts |
-
2017
- 2017-02-13 CN CN201710076007.5A patent/CN106641264B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202195197U (en) * | 2011-08-12 | 2012-04-18 | 泉州市玉杰旋转接头金属软管有限公司 | High temperature high speed rotation connector |
| CN203488885U (en) * | 2013-09-06 | 2014-03-19 | 滕州飞旋旋转接头制造有限公司 | Low-pressure and high-speed rotating connector |
| CN203979714U (en) * | 2014-05-26 | 2014-12-03 | 重庆滟昭汽车科技有限公司 | A kind of rotating sealing device |
| CN204628879U (en) * | 2015-05-27 | 2015-09-09 | 董耀峰 | A kind of high temperature high voltage resistant self-lubricating swivel joint |
| DE102015110988A1 (en) * | 2015-07-07 | 2017-01-12 | GAT Gesellschaft für Antriebstechnik mbH | Leak-reduced rotary feedthrough |
| CN205371893U (en) * | 2016-01-13 | 2016-07-06 | 辽宁天利再造科技股份有限公司 | Magnetic seal rotary joint |
| CN206637037U (en) * | 2017-02-13 | 2017-11-14 | 福建省闽旋科技股份有限公司 | A kind of mixed film friction formula self-lubricating rotary sealing appts |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847430A (en) * | 2021-09-16 | 2021-12-28 | 宣达实业集团有限公司 | Sour gas self-sealing system |
| CN113847430B (en) * | 2021-09-16 | 2023-09-12 | 宣达实业集团有限公司 | Sour gas self-sealing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106641264B (en) | 2019-03-01 |
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