CN208331256U - Rotary shaft sealing - Google Patents
Rotary shaft sealing Download PDFInfo
- Publication number
- CN208331256U CN208331256U CN201820728954.8U CN201820728954U CN208331256U CN 208331256 U CN208331256 U CN 208331256U CN 201820728954 U CN201820728954 U CN 201820728954U CN 208331256 U CN208331256 U CN 208331256U
- Authority
- CN
- China
- Prior art keywords
- ring
- stationary ring
- rotating ring
- outside
- rotary shaft
- 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.)
- Active
Links
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model discloses a kind of rotary shaft sealings, including mounting plate, axle envelope room, stationary ring, rotating ring, axle sleeve and clip；Mounting plate and axle envelope room constitute axle envelope seat；Stationary ring includes inside stationary ring and outside stationary ring, and the mounting plate is equipped with the first groove body for accommodating inside stationary ring and being fixedly connected with inside stationary ring, and the axle envelope room is equipped with the second groove body for accommodating outside stationary ring and being fixedly connected with outside stationary ring；The clip is mounted in the live spindle of equipment, and the rotating ring and axle sleeve are set in outside clip, and the live spindle of equipment drives rotating ring and axle sleeve to rotate synchronously by clip；The rotating ring contact surface of the rotating ring and the inside stationary ring and constitutes radial seal rubbing surface with the contact surface of outside stationary ring between inside stationary ring and outside stationary ring.The rotary shaft sealing of the utility model is the upgrading substitute products of packing seal, and sealing effect is good, high reliablity, and remarkable benefit has a good application prospect.
Description
Technical field
The utility model relates to a kind of rotary shaft sealings, belong to sealing technical field.
Background technique
Currently, the sealing of powder, half dry material and slurries processing equipment mainly uses packing seal.Packing seal difference journey
The problems such as degree has frictional resistance big, and functional reliability is low, damages the diameter of axle, and installation maintenance is difficult.
Filler is packed into after packing cavity, is compressed axially through gland screw to filler, and filler is made to generate radial force, and and axis
It is in close contact.At the same time, the lubricant impregnated in filler is extruded, and oil film is formed between contact surface.Good filler is close
It is enclosed in the good lubrication of holding and compression appropriate.If insufficient lubrication, or press tension can all be such that oil film interrupts, cause filler
Occur dry friction between axis, finally result in excessively heated axle and is seriously worn.
For this reason, it may be necessary to be often adjusted to the compression degree of filler, so that the lubricant in filler is when running one section
Between be lost and then squeeze out some lubricants, while compensating filler because of the pressing force relaxation caused by volume change.It is frequent in this way
Filler is squeezed, and impregnating agent exhaustion can be eventually led to, so periodic replacement filler is necessary.In addition, in order to maintain liquid film and
It takes away frictional heat, or even is allowed at filler intentionally and have small amount of leakage.
It is more difficult because lubricating and radiating when packing seal is to seal powder, and then accelerate filler failure, to sealing
Maintenance also can be more difficult
Utility model content
The technical problem to be solved by the utility model is to a kind of rotary shaft sealing is overcome the deficiencies of the prior art and provide, with
The existing technical problem of powder, half dry material and slurries sealing is effectively solved, and does not injure the diameter of axle, installation maintenance is extremely simple
It is single.
In order to solve the above-mentioned technical problem, the technical solution of the utility model aim is: a kind of rotary shaft sealing, including installation
Plate, axle envelope room, stationary ring, rotating ring, axle sleeve and clip；Mounting plate and axle envelope room constitute axle envelope seat；
Stationary ring includes inside stationary ring and outside stationary ring, and the mounting plate is equipped with for accommodating inside stationary ring and quiet with inside
The first groove body that ring is fixedly connected, the axle envelope room be equipped with for stationary ring on the outside of accommodate and be fixedly connected with outside stationary ring the
Two groove bodies；
The clip is mounted in the live spindle of equipment, and the rotating ring and axle sleeve are set in outside clip, the rotation of equipment
Main shaft drives rotating ring and axle sleeve to rotate synchronously by clip；
The rotating ring between inside stationary ring and outside stationary ring, the contact surface of the rotating ring and the inside stationary ring, with
And radial seal rubbing surface is constituted with the contact surface of outside stationary ring.
Further, the inside stationary ring, outside stationary ring, rotating ring, axle sleeve, clip and axle envelope room are split type structure.
Further, the clip is the split type structure being made of two hoop bodies, and described two hoop bodies are assembled by bolt
It being integrated, the junction of described two hoop bodies is provided with connection lug, and the connection lug protrudes into the axle sleeve and rotating ring,
It is rotated synchronously by the connection lug propeller shaft sleeve, rotating ring.
Further, there are two rotating ring settings, respectively inside rotating ring and outside rotating ring, the inside rotating ring and inside
The contact surface of stationary ring is equipped with groove for accommodating particulate matter or impurity, on the contact surface of the outside rotating ring and outside stationary ring
Equipped with the groove for accommodating particulate matter or impurity.
Further, the contact position of the inside rotating ring and outside rotating ring is provided with cavity, and pressure is equipped in cavity and adjusts bullet
Spring, the both ends of pressure regulating spring are connected to respectively on inside rotating ring and outside rotating ring, so as to keep between rotating ring and stationary ring suitable
When the gap for contacting and compensating rotating ring or stationary ring abrasion generation.
Further, the flowing lumen for circulate compressed air or lubricating grease is equipped between the axle envelope room and rotating ring, it is described
The access aperture for accessing compressed air or lubricating grease is provided on axle envelope room, the access aperture is connected to flowing lumen, the flowing lumen
Interior compressed air or lubricating grease can flow to the radial seal rubbing surface.
Further, it is also provided with the access aperture of cut-in pressure table on the axle envelope room and accesses the access aperture of blowdown valve.
Further, the mounting plate is also split type structure.
Further, the rotating ring and the stationary ring are made of high-performance abrasion-proof material,
After above-mentioned technical proposal, the utility model has the following beneficial effects:
1) axle sleeve of the utility model is sleeved on outside clip, and rotating ring is set in outside axle sleeve, and is crimped with axle sleeve interference, with reality
Existing axial seal, for rotating ring between inside stationary ring and outside stationary ring, rotating ring is quiet with the contact surface of inside stationary ring and with outside
The contact surface of ring constitutes radial seal rubbing surface, radial seal is realized, to prevent to escape between material driven torus and stationary ring；
The rotary shaft sealing of the utility model is the upgrading substitute products of packing seal, in answering for the industries such as food, pharmacy, chemical industry, lithium electricity
Prove that the sealing effect of the rotary shaft sealing of the utility model is good with case, high reliablity, remarkable benefit, before there is good application
Scape；
2) the inside stationary ring of the utility model, outside stationary ring, rotating ring, axle sleeve and axle envelope room are split type structure, can be adopted
It is attached assembly with bolt to be integrated, the installation maintenance using the rotary shaft sealing of subdivision structure is extremely simple, even if needing more
Axle envelope internal component is changed, it is right only by the axle envelope chamber opening of this rotary shaft sealing all without dismantling bearing chamber, shaft coupling, speed reducer etc.
Corresponding component is replaced, and is especially suitable for needing the occasion of often dismounting cleaning；
3) axial seal of the axle sleeve as equipment live spindle is used, without relative motion, institute between axle sleeve and live spindle
The diameter of axle will not be damaged；
4) rotating ring, axle sleeve, clip are mounted in live spindle, and the connection lug of clip protrudes into axle sleeve and rotating ring, are led to
It crosses the connection lug and directly drives axle sleeve, rotating ring synchronous rotation, connect more reliable；
5) pressure regulating spring is installed between inside rotating ring and outside rotating ring, makes to keep suitably contacting between rotating ring and stationary ring
And the gap of rotating ring or stationary ring abrasion generation is compensated, it is in quick condition in the rotating ring course of work, thus to run-out error
With good compensation ability, machining accuracy, surface roughness to live spindle, runout tolerance is of less demanding, can have
Effect reduces the accuracy of manufacture requirement of main shaft, reduces processing cost；
6) rotating ring and stationary ring are made of high-performance abrasion-proof material, so that the coefficient of friction of friction pair is small, can be effectively reduced
Shaft power loss, remarkable in economical benefits.
Detailed description of the invention
Fig. 1 is the explosive view of the utility model rotary shaft sealing；
Fig. 2 is the main view of the utility model rotary shaft sealing, and part carries out section view；
Fig. 3 is the usage state diagram of the utility model rotary shaft sealing；
Fig. 4 is the rotary shaft sealing of the utility model and the connection view of external equipment.
Specific embodiment
In order to make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model.
Unless not defining, the technical term or scientific term used herein is should be in the utility model fields
The ordinary meaning that personage with general technical ability is understood.Used in the utility model patent specification and claims
" first ", " second " and similar word are not offered as any sequence, quantity or importance, and are used only to distinguish different
Component part.Equally, the similar word such as "one" or " one " does not indicate that quantity limits yet, but indicates there is at least one
It is a.
As shown in Figure 1 to Figure 3, a kind of rotary shaft sealing, including mounting plate 1, axle envelope room 2, stationary ring, rotating ring, axle sleeve 5 and clip
6；Mounting plate 1 and axle envelope room 2 constitute axle envelope seat, mounting plate 1 and axle envelope room 2 and are fixedly connected by bolt 11；
Stationary ring includes 3 ' of inside stationary ring 3 and outside stationary ring, the mounting plate 1 be equipped with for accommodate inside stationary ring 3 and with
The first groove body that inside stationary ring 3 is fixedly connected, the axle envelope room 2 be equipped with for accommodate outside 3 ' of stationary ring and with 3 ' of outside stationary ring
The second groove body being fixedly connected；Inside stationary ring 3 is fixedly connected with the first groove body by bolt 12,3 ' of outside stationary ring and the second groove body
It is fixedly connected by bolt 12；
The clip 6 is mounted in the live spindle 17 of equipment, for being reliably connected with the realization of live spindle 17, the axis
Set 5 is sleeved on outside clip 6, and rotating ring is set in outside axle sleeve 5, and is crimped with 5 interference of axle sleeve, to realize axial sealing, equipment
Live spindle 17 drives rotating ring and axle sleeve 5 to rotate synchronously by clip 6；The axle sleeve 5 is preferably silica gel axle sleeve；
The rotating ring is located between inside stationary ring 3,3 ' of outside stationary ring, the contact surface of the rotating ring and the inside stationary ring 3,
And radial seal rubbing surface is constituted with the contact surface of 3 ' of outside stationary ring, and to realize radial seal, the radial seal rubbing surface
For dynamic sealing.There are two rotating ring is also provided with, respectively inside rotating ring 4 and outside rotating ring 4 ', the inside rotating ring 4 and the inside
The contact surface and 4 ' of outside rotating ring of stationary ring 3 and the contact surface of 3 ' of outside stationary ring constitute radial seal rubbing surface；The inside
The contact surface of rotating ring 4 and inside stationary ring 3 is equipped with the groove for accommodating particulate matter or impurity, 4 ' of outside rotating ring and outside
The contact surface of 3 ' of stationary ring is equipped with the groove for accommodating particulate matter or impurity.
The inside stationary ring 3,3 ' of outside stationary ring, inside rotating ring 4,4 ' of outside rotating ring, axle sleeve 5, clip 6, axle envelope room 2 are
Split type structure, inside stationary ring 3 are connected as one by upper ring body 31 and lower ring body 32 by stationary ring bolt 8,3 ' of outside stationary ring by
31 ' of upper ring body and 32 ' of lower ring body is connected as one by stationary ring bolt 8；Inside rotating ring 4 is passed through by upper ring body 41 and lower ring body 42
Rotating ring bolt 9 is connected as one, and rotating ring 4 ' in outside is connected as one by 41 ' of upper ring body and 42 ' of lower ring body by rotating ring bolt 9；
Two lids of axle envelope room 2 are connected as one by gland bolt 10.
Installation maintenance using the rotary shaft sealing of subdivision structure is extremely simple, even if needing replacing axle envelope internal component, all
Without dismantling bearing chamber, shaft coupling, speed reducer etc., only by the axle envelope chamber opening of this rotary shaft sealing, corresponding component is carried out more
It changes, is especially suitable for needing the occasion of often dismounting cleaning.
Preferably, as shown in Figure 1, the clip 6 is the split type structure being made of two hoop bodies, described two hoop bodies are logical
Bolt assembly is crossed to be integrated.In use, mounting plate 1 is mounted on equipment box 16 as shown in figure 3, passing through and installing bolt 14,
Clip 6 is fixed in the live spindle 17 of equipment, as axial seal can be realized in the rotation of live spindle 17.
The junction of described two hoop bodies is provided with connection lug 61, and connection 61 one side of lug realizes two by bolt
The connection of hoop body, on the other hand, the connection lug 61 are protruded into the axle sleeve 5 and inside rotating ring 4,4 ' of outside rotating ring, are led to
It crosses 61 propeller shaft sleeve 5 of connection lug and two rotating rings 4,4 ' is rotated synchronously.Axis of the axle sleeve 5 as equipment live spindle 17
To sealing, without relative motion between axle sleeve 5 and live spindle 17, static seal is formed, so the diameter of axle will not be damaged；Inside rotating ring 4,
Rotating ring 4 ' in outside is mounted in live spindle 17 by axle sleeve 5, clip 6, and the connection lug 61 of clip 6 protrudes into axle sleeve 5 and interior
In side rotating ring 4,4 ' of outside rotating ring, synchronous turn of axle sleeve 5, inside rotating ring 4,4 ' of outside rotating ring is directly driven by the connection lug 61
It is dynamic, make to connect more reliable.
Preferably, as shown in Fig. 2, being provided with cavity on the inside rotating ring 4 and 4 ' of outside rotating ring, pressure is installed in cavity
Adjustment spring 7, the both ends of pressure regulating spring 7 are connected to respectively on inside rotating ring 4 and 4 ' of outside rotating ring, so that inside rotating ring 4
It keeps suitably contacting and compensating rotating ring between inside stationary ring 3,4 ' of outside rotating ring and 3 ' of outside stationary ring or stationary ring wears generation
Gap, rotating ring can radially float when work, have good compensation ability to run-out error, the processing to live spindle
Precision, surface roughness, runout tolerance is of less demanding, can effectively reduce the accuracy of manufacture requirement of main shaft, and reduction is processed into
This.
As shown in Fig. 2, being equipped with the flowing lumen for circulate compressed air or lubricating grease between the axle envelope room 2 and rotating ring
15, the access aperture 13 for accessing compressed air or lubricating grease, the access aperture 13 and flowing lumen 15 are provided on the axle envelope room 2
It is connected to, the compressed air or lubricating grease in the flowing lumen 15 can flow to the radial seal rubbing surface.It is installed into access aperture 13
Gas throttle valve 18.
When work, it must be accessed into flowing lumen 15 and be higher than cavity material operating pressure 0.3-0.5Bar or more, flow is greater than
The compressed air or sufficient lubricating grease, the air pressure of compressed air for recommending flow are greater than the pressure of material, and compressed air is to radial direction
Sealed friction surface plays the role of continual purging, takes away the heat that the secondary friction of friction generates and material is prevented to enter radial seal
Rubbing surface.
As shown in figure 4, being also provided with the access aperture of cut-in pressure table on the axle envelope room 2 and accessing the access of blowdown valve
Pressure gauge 19, blowdown valve 20 are installed by corresponding access aperture in hole.
The mounting plate 1 can use split type structure as needed.
Preferably, the rotating ring and the stationary ring are made of high-performance abrasion-proof material, and coefficient of friction is small, wear away low, energy
Effectively reduce shaft power loss, remarkable in economical benefits.All materials contacted with material can be used food-grade material and be made, from
And it can be widely applied to food, pharmaceutical industry.
Particular embodiments described above, to the utility model solve the technical issues of, technical scheme and beneficial effects into
It has gone further description, it should be understood that the foregoing is merely specific embodiment of the utility model, and has not had to
In limitation the utility model, within the spirit and principle of the utility model, any modification, equivalent substitution and improvement done
Deng should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of rotary shaft sealing, it is characterised in that: including mounting plate (1), axle envelope room (2), stationary ring, rotating ring, axle sleeve (5) and clip
(6)；Mounting plate (1) and axle envelope room (2) constitute axle envelope seat；
Stationary ring includes inside stationary ring (3) and outside stationary ring (3 '), and the mounting plate (1) is equipped with for accommodating inside stationary ring (3)
And the first groove body being fixedly connected with inside stationary ring (3), the axle envelope room (2) be equipped with for accommodate outside stationary ring (3 ') and with
The second groove body that outside stationary ring (3 ') is fixedly connected；
The clip (6) is mounted in the live spindle (17) of equipment, and the rotating ring and axle sleeve (5) are set in clip (6) outside, if
Standby live spindle (17) drives rotating ring and axle sleeve (5) to rotate synchronously by clip (6)；
The rotating ring is located between inside stationary ring (3) and outside stationary ring (3 '), the contact of the rotating ring and the inside stationary ring (3)
Face and radial seal rubbing surface is constituted with the contact surface of outside stationary ring (3 ').
2. rotary shaft sealing according to claim 1, it is characterised in that: the inside stationary ring (3), is moved outside stationary ring (3 ')
Ring, axle sleeve (5), clip (6) and axle envelope room (2) are split type structure.
3. rotary shaft sealing according to claim 2, it is characterised in that: the clip (6) is to be cutd open by what two hoop bodies were constituted
Fraction structure, described two hoop bodies are integrated by bolt assembly, and the junction of described two hoop bodies is provided with connection lug
(61), the connection lug (61) is protruded into the axle sleeve (5) and rotating ring, by connection lug (61) propeller shaft sleeve (5),
Rotating ring rotates synchronously.
4. rotary shaft sealing according to claim 1, it is characterised in that: there are two the rotating ring settings, and respectively inside is dynamic
Ring (4) and outside rotating ring (4 '), the inside rotating ring (4) and the contact surface of inside stationary ring (3) are equipped with for accommodating particulate matter
Or the groove of impurity, the outside rotating ring (4 ') and the contact surface of outside stationary ring (3 ') are equipped with for accommodating particulate matter or impurity
Groove.
5. rotary shaft sealing according to claim 4, it is characterised in that: the inside rotating ring (4) and outside rotating ring (4 ')
Contact position is provided with cavity, is equipped in cavity pressure regulating spring (7), and the both ends of pressure regulating spring (7) are connected to interior respectively
On side rotating ring (4) and outside rotating ring (4 '), so as to keep suitably contacting and compensating rotating ring or stationary ring abrasion between rotating ring and stationary ring
The gap of generation.
6. rotary shaft sealing according to claim 1, it is characterised in that: be equipped with and be used between the axle envelope room (2) and rotating ring
Circulate the flowing lumen (15) of compressed air or lubricating grease, is provided on the axle envelope room (2) for accessing compressed air or lubricating grease
Access aperture (13), the access aperture (13) is connected to flowing lumen (15), compressed air or lubricating grease in the flowing lumen (15)
The radial seal rubbing surface can be flowed to.
7. rotary shaft sealing according to claim 1, it is characterised in that: be also provided with cut-in pressure table on the axle envelope room (2)
Access aperture and access blowdown valve access aperture.
8. rotary shaft sealing according to claim 1, it is characterised in that: the mounting plate (1) is also split type structure.
9. rotary shaft sealing according to claim 1, it is characterised in that: the rotating ring and the stationary ring use high-performance abrasion-proof
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728954.8U CN208331256U (en) | 2018-05-16 | 2018-05-16 | Rotary shaft sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728954.8U CN208331256U (en) | 2018-05-16 | 2018-05-16 | Rotary shaft sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208331256U true CN208331256U (en) | 2019-01-04 |
Family
ID=64777558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820728954.8U Active CN208331256U (en) | 2018-05-16 | 2018-05-16 | Rotary shaft sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208331256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443510A (en) * | 2018-05-16 | 2018-08-24 | 徐拥军 | Rotary shaft sealing |
-
2018
- 2018-05-16 CN CN201820728954.8U patent/CN208331256U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443510A (en) * | 2018-05-16 | 2018-08-24 | 徐拥军 | Rotary shaft sealing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108443510A (en) | Rotary shaft sealing | |
| CN208331256U (en) | Rotary shaft sealing | |
| CN201330705Y (en) | Mechanical seal structure of Roots vacuum pump | |
| CN109323003A (en) | A kind of complete section fraction dynamic sealing device | |
| CN103438308A (en) | Bidirectional fully-sealed rotary joint for fluid conveying | |
| CN209458405U (en) | A kind of complete section fraction dynamic sealing device | |
| CN205715677U (en) | A kind of nano-level grinder Bidirectional balance mechanical seal device | |
| US5014998A (en) | Shaft seal | |
| CN205841747U (en) | A kind of contact type dry operating seals | |
| CN201397030Y (en) | Stopping wheel device of drying machine | |
| CN209469799U (en) | A kind of mechanically-sealing apparatus of rotary shaft | |
| CN209196128U (en) | The horizontal machine of rake type dryer seals | |
| CN210738638U (en) | Lubricating oil guiding device and engine | |
| CN207989735U (en) | A kind of turntable transmission shaft movable sealing structure | |
| CN209569339U (en) | Contact type sealing device for multi-line cutting machine high-speed bearing case | |
| CN108571592B (en) | Mechanical structure's seal assembly | |
| CN201787230U (en) | Modified rotary joint | |
| CN106594770B (en) | The sealed inner guide pulley system of submerged slag conveyor bearing built-in machines | |
| CN2937184Y (en) | External rotation inlet connection of pressure regulator | |
| CN221054293U (en) | Mechanical seal for high-speed motor and high-speed motor | |
| CN209324995U (en) | A kind of belt wheel transmission component | |
| CN220540310U (en) | Sanitary mechanical sealing device | |
| CN219282413U (en) | Oil seal device for rotating shaft of diaphragm compressor | |
| CN219013307U (en) | Gear input shaft capable of preventing oil leakage of shaft seal | |
| CN220060518U (en) | Main shaft rotary seal of disc drier and disc drier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |