CN206637037U - A kind of mixed film friction formula self-lubricating rotary sealing appts - Google Patents
A kind of mixed film friction formula self-lubricating rotary sealing appts Download PDFInfo
- Publication number
- CN206637037U CN206637037U CN201720127551.3U CN201720127551U CN206637037U CN 206637037 U CN206637037 U CN 206637037U CN 201720127551 U CN201720127551 U CN 201720127551U CN 206637037 U CN206637037 U CN 206637037U
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- CN
- China
- Prior art keywords
- sleeve
- sealing
- mixed film
- drain 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.)
- Expired - Fee Related
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- Mechanical Sealing (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a kind of mixed film friction formula self-lubricating rotary sealing appts,Including feed tube,Described feed tube one end is provided with the first sleeve,First sleeve inner is embedded with liquid level height limiting plate,The liquid level height limiting plate side is provided with the first seal washer,Described first sleeve one end has been bolted second sleeve,Bearing is embedded with the inside of the second sleeve,Drain pipe is embedded with the inside of the bearing,The drain pipe side is provided with sealing block,The sealing block side is provided with guiding gutter,The second sleeve lower end is provided with liquid outlet,Described liquid outlet one end is bolted with seal head,The sealing block centre position is provided with the through hole to match with drain pipe,The utility model is simple in construction,And the setting of inner space,Sealing block is allowd to be constantly in the state of liquid immersion,So that the process that sealing block rotates reaches the effect of mixed film friction,Improve the service life of sealing device,Reduce pressure during rotation.
Description
Technical field
Seal nipple technical field is the utility model is related to, specially a kind of mixed film friction formula self-lubricating rotatory sealing dress
Put.
Background technology
Sealing in machine (or equipment) between relative motion part.Dynamic sealing is divided into reciprocating dynamic sealing and rotatably moved close
Seal two classes.Reciprocating dynamic sealing has shaped packing seal, packing box seal and expansion ring seale.Rotary dynamic sealing has：Movement parts
The contact dynamic sealing directly contacted with static element；The contactless dynamic sealing that both are not directly contacted with；Sealed using addition
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 operating conditions such as speed and requirement to sealing property etc. are selected or the structural shape of design sealing.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, and the hollow shaft is connected with fluid passage and realizes liquid and convey 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 are mostly mechanical boundary friction structure, and this structural friction force is big, in-convenience in use, and
When corrosion occurs for intraware or long-term rotation energetically causes intraware dislocation damage, the use of sealing device can be influenceed.
Utility model content
The purpose of this utility model is to provide a kind of mixed film friction formula self-lubricating rotary sealing appts, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides following technical scheme：A kind of mixed film friction formula self-lubricating rotation is close
Seal apparatus, including feed tube, described feed tube one end are provided with the first sleeve, and first sleeve inner is embedded with liquid level height limiting plate,
The liquid level height limiting plate side is provided with the first seal washer, and described first sleeve one end has been bolted second sleeve, institute
State and bearing is embedded with the inside of second sleeve, be embedded with drain pipe on the inside of the bearing, the drain pipe side is provided with sealing block, described close
Envelope 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, described
Sealing block centre position is provided with the through hole to match 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
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 and be provided with screw thread on the inside of joint.
Preferably, the first sleeve upper end is provided with fixed block.
Compared with prior art, the beneficial effects of the utility model are：The utility model is simple in construction, and inner space
Set so that sealing block can be constantly in the state of liquid immersion so that the process that sealing block rotates reaches mixed film friction
Effect, the service life of sealing device is improved, reduce pressure during rotation.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model internal structure schematic diagram；
Fig. 3 is the utility model sealing block structural representation.
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.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of mixed film friction formula self-lubricating rotatory sealing dress
Put, including feed tube 1, tell that the one end of feed tube 1 is provided with the first sleeve 2, the inside of the first sleeve 2 is embedded with liquid level height limiting plate 3,
The side of liquid level height limiting plate 3 is provided with the first seal washer 4, and described one end of first sleeve 2 has been bolted second sleeve
5, the inner side of second sleeve 5 is embedded with bearing 6, and the inner side of bearing 6 is embedded with drain pipe 7, and the side of drain pipe 7 is provided with sealing
Block 8, the side of sealing block 8 are provided with guiding gutter 9, and the lower end of second sleeve 5 is provided with liquid outlet 10, described one end of liquid outlet 10
Seal head 11 is bolted with, the centre position of sealing block 8 is provided with the through hole 12 to match with drain pipe 7.
Further, the side of drain pipe 7 is provided with the second seal washer 13, and second seal washer 13 is positioned at sealing
Between block 8 and second sleeve 5.
Further, the side of drain pipe 7 is provided with sleeve pipe 14, and the side of described sleeve pipe 14 is provided with clip slot 15.
Further, described one end of drain pipe 7 slidably connects joint 16, is provided between the joint 16 and drain pipe 7
Sealing gasket 17, the inner side of joint 16 are 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 utility model, need to be by sleeve pipe 14 during use
Rotation, the sealing block 8 of drain pipe 7 side is driven to rotate so that the breach of sealing block 8 is against the upper end of liquid level height limiting plate 3, feed liquor
Liquid in pipe 1 can enter the fluid reservoir of the one end of drain pipe 7, it is necessary to when releasing liquid along breach from through hole 12, by sleeve pipe
14 rotate so that the guiding gutter 9 of the side of sealing block 8 opens seal head 11, liquid can flow out against liquid outlet 10.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
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 liquid level height limiting plate (3), the liquid level height limiting plate (3) one are embedded with inside first sleeve (2)
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
Bearing (6) is embedded with the inside of cylinder (5), is embedded with drain pipe (7) on the inside of the bearing (6), 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 to match with drain pipe (7)
(12)。
A kind of 2. 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 located at sealing block (8) and second sleeve (5)
Between.
A kind of 3. 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).
A kind of 4. 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
Screw thread (18) is provided with the inside of head (16).
A kind of 5. 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 |
|---|---|---|---|
| CN201720127551.3U CN206637037U (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 |
|---|---|---|---|
| CN201720127551.3U CN206637037U (en) | 2017-02-13 | 2017-02-13 | A kind of mixed film friction formula self-lubricating rotary sealing appts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206637037U true CN206637037U (en) | 2017-11-14 |
Family
ID=60251245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720127551.3U Expired - Fee Related CN206637037U (en) | 2017-02-13 | 2017-02-13 | A kind of mixed film friction formula self-lubricating rotary sealing appts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206637037U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641264A (en) * | 2017-02-13 | 2017-05-10 | 福建省闽旋科技股份有限公司 | Mixed friction type self-lubricating rotary sealing device |
| CN108035956A (en) * | 2017-12-13 | 2018-05-15 | 柳州上丰自动化设备有限公司 | A kind of Anti-extrusion butterfly bolt |
-
2017
- 2017-02-13 CN CN201720127551.3U patent/CN206637037U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641264A (en) * | 2017-02-13 | 2017-05-10 | 福建省闽旋科技股份有限公司 | Mixed friction type self-lubricating rotary sealing device |
| CN108035956A (en) * | 2017-12-13 | 2018-05-15 | 柳州上丰自动化设备有限公司 | A kind of Anti-extrusion butterfly bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20210213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |