CN208686795U - A kind of labyrinth packaged type pressure roller assembly - Google Patents
A kind of labyrinth packaged type pressure roller assembly Download PDFInfo
- Publication number
- CN208686795U CN208686795U CN201821192654.9U CN201821192654U CN208686795U CN 208686795 U CN208686795 U CN 208686795U CN 201821192654 U CN201821192654 U CN 201821192654U CN 208686795 U CN208686795 U CN 208686795U
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- Prior art keywords
- pressure roller
- oil
- labyrinth
- ontology
- scraper ring
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model discloses a kind of labyrinth packaged type pressure roller assemblies, belong to pressure roller assembly field, it is intended to provide a kind of pressure roller assembly with excellent sealing effect, its key points of the technical solution are that including pressure roller shaft, pressure roller shaft is arranged with bearing, bearing holder (housing, cover) is equipped with pressure roller ontology, is provided with labyrinth gland between pressure roller ontology and pressure roller shaft;Labyrinth gland includes the oil scraper ring being set in pressure roller shaft, gap is separated between oil scraper ring and pressure roller ontology, oil scraper ring extends internally close to pressure roller ontology one end placement plate, placing groove is offered in placement plate, oil baffle is placed in placing groove, side is connected to pressure roller ontology to oil baffle outwardly, and gap is separated between oil baffle and placing groove.The utility model is suitable for pressure roller assembly field.
Description
Technical field
The utility model relates to motor device, in particular to a kind of labyrinth packaged type pressure roller assembly.
Background technique
In pressure roller assembly, pressure roller is fixed in pressure roller shaft by roller bearing, in order to make the operating of equipment more suitable
Freely, usually to add lubricating oil in the junction of each part, play lubricating action.
In the prior art, pressure roller assembly generallys use rubber seal using sealing device, and rubber is after prolonged use
Or when the temperature is excessively high, it is easy to reach the fatigue data upper limit, situations such as rubber follows the string or damages occurs, cause lubricating oil and let out
Leakage, causes pressure roller assembly to burn, influences to produce.
Utility model content
The purpose of the utility model is to provide a kind of labyrinth packaged type pressure roller assemblies, have non-damageable sealing structure,
The advantages of reducing oil leak.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of labyrinth packaged type pressure roller assembly, including pressure roller shaft, the pressure roller shaft are arranged with bearing, and the bearing holder (housing, cover) is equipped with
Pressure roller ontology is provided with labyrinth gland between the pressure roller ontology and pressure roller shaft;
The labyrinth gland includes the oil scraper ring being set in pressure roller shaft, the interval of the oil scraper ring and pressure roller ontology
There is gap, the oil scraper ring extends internally close to pressure roller ontology one end placement plate, and placing groove, institute are offered in the placement plate
State and be placed with oil baffle in placing groove, side is connected to pressure roller ontology to the oil baffle outwardly, the oil baffle and placing groove it
Between be separated with gap.
By using above-mentioned technical proposal, the lubricating oil between bearing and pressure roller ontology can be blocked by oil scraper ring, and
And be connected on pressure roller ontology by oil baffle, allow oil baffle to rotate with external pressure roller ontology, oil baffle and placing groove it
Between form U-shaped gap, while when can reduce the rotation of pressure roller ontology by the gap between oil baffle and placing groove with gear oil
Frictional force between ring, allows lubricating oil to play a role, meanwhile, lubricating oil will not leak too much.
Further, the outer diameter of the oil baffle is greater than pressure roller ontology internal diameter 2-10mm.
By using above-mentioned technical proposal, oil baffle can be connected on pressure roller ontology, reduce oil baffle from pressure roller sheet
The case where falling off on body.
Further, the quantity of the placing groove and oil baffle is two to four.
By using above-mentioned technical proposal, the oily effect of gear can be preferably played, and according to the different size of oil scraper ring
It is adapted to the placing groove and oil baffle of different number.
Further, fixation kit is provided between the oil scraper ring and pressure roller shaft, the fixation kit includes being set in
Round nut in pressure roller shaft has abutted retaining retaining ring between the round nut and oil scraper ring, another described oil scraper ring outwardly one
Side, which abuts, the shaft block ring being set in pressure roller shaft.
It can be relatively fixed by the retaining retaining ring and shaft block ring at oil scraper ring both ends by using above-mentioned technical proposal
Positional relationship between oil scraper ring and pressure roller shaft reduces the case where oil scraper ring is not rotated with the rotation of pressure roller shaft.
Further, the spacing between the oil scraper ring and pressure roller ontology is 1-3mm.
By using above-mentioned technical proposal, the spacing between oil scraper ring and pressure roller ontology is too small, and lubricating oil is not easily accessible
Between oil baffle and pressure roller ontology, lubricating action is undesirable, and spacing is too big between oil scraper ring and pressure roller ontology, and lubricating oil is easy to overflow
It is too many out, lubricating oil is wasted, the spilling of lubricating oil can be reduced by the gap of 1-3mm and play lubricating action.
Further, the spacing between the oil baffle and placing groove is 1-3mm.
By using above-mentioned technical proposal, the spacing between oil baffle and placing groove is too small, and lubricating oil is not easily accessible gear
Between scraper ring and placing groove, lubricating action is undesirable, and spacing is too big between oil baffle and placing groove, and lubricating oil is easy to overflow too
It is more, lubricating oil is wasted, the spilling of lubricating oil can be reduced by the gap of 1-3mm and play lubricating action.
Further, the oil baffle is made of brass.
By using above-mentioned technical proposal, brass has certain deformability, can preferably be connected to pressure roller ontology
On, and brass has good hardness, reduces the case where oil baffle falls off from pressure roller ontology.
Further, the bearing is single-row tapered roller bearing.
An axial thrust load can be generated when bearing bears radial load by using above-mentioned technical proposal, reduces axis
The pressure afforded protects bearing.
Further, one end offers oil guide pipe to the pressure roller shaft in the axial direction, and the oil guide pipe is communicated to bearing.
By using above-mentioned technical proposal, staff can be facilitated to refuel into pressure roller assembly by oil guide pipe,
It is time saving and energy saving.
Further, foxy old hand is provided in the oil guide pipe.
By using above-mentioned technical proposal, the case where lubricating oil leaks from oil guide pipe can be reduced.
In conclusion the utility model has the following beneficial effects:
1. using labyrinth gland, so that generating can make lubricating oil play lubricating action, and it is not easy to overflow too
The effect of more lubricating oil;
2. fixation kit is used, to generate the effect for being capable of fixing oil scraper ring;
3. use oil guide pipe and foxy old hand, thus generate can facilitate staff into pressure roller assembly defeated lubricating oil and
Lubricating oil is not easy the effect overflowed.
Detailed description of the invention
Fig. 1 is in the present embodiment for embodying the structural schematic diagram of pressure roller shaft and pressure roller ontology;
Fig. 2 is in the present embodiment for embodying the cross-sectional view of labyrinth gland and fixation kit;
Fig. 3 is the enlarged drawing in Fig. 2 at A.
In figure, 1, pressure roller shaft;11, oil guide pipe;12, foxy old hand;2, bearing;3, pressure roller ontology;4, labyrinth gland;41,
Oil scraper ring;42, placement plate;421, placing groove;43, oil baffle;5, fixation kit;51, round nut;52, retaining retaining ring;53, axis
Use retaining ring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
A kind of labyrinth packaged type pressure roller assembly, as depicted in figs. 1 and 2, including pressure roller shaft 1, pressure roller shaft 1 are arranged with bearing 2,
One end offers oil guide pipe 11 to pressure roller shaft 1 in the axial direction, and oil guide pipe 11 is communicated to bearing 2, facilitates staff to 2 He of bearing
Lubricating oil is inputted between pressure roller shaft 1, setting is reduced the foxy old hand 12 of oil leak in oil guide pipe 11;Bearing 2 outwardly side every
Have gap is arranged with pressure roller ontology 3, and side setting outwardly is reduced oil leak between pressure roller ontology 3 and pressure roller shaft 1
Labyrinth gland 4.In the present embodiment, bearing 2 can bear radial direction in bearing 2 using single-row tapered roller bearing
When load, an axial thrust load is generated, reduces the radial load on bearing 2, to reach the service life for extending bearing 2.
As shown in figure 3, labyrinth gland 4 includes the oil scraper ring 41 being set in pressure roller shaft 1, oil scraper ring 41 and pressure roller sheet
Gap is separated between body 3, the size of spacing is 1-3mm, if the spacing between oil scraper ring 41 and pressure roller ontology 3 is too small, lubrication
Oil is not easily accessible between oil scraper ring 41 and pressure roller ontology 3, does not have lubricating action, if spacing is excessive, is easy to overflow too many
Lubricating oil, generates excessive waste, and the gap of 1-3mm can play the role of reducing the spilling of lubricating oil and normally lubricate.Gear
Oil ring 41 extends internally close to 3 one end of pressure roller ontology placement plate 42, and placing groove 421, placing groove 421 are offered in placement plate 42
It is inside placed with the oil baffle 43 for being connected to pressure roller ontology 3, is separated between oil baffle 43 and placing groove 421 and lubricating oil is facilitated to play profit
The gap of sliding effect, the spacing between oil baffle 43 and placing groove 421 is 1-3mm, if gap is excessive, lubricating oil is easy to overflow
Out, gap is too small, and lubricating oil cannot pass through well, does not have good lubricating action.In the present embodiment, oil baffle 43
Outer diameter is greater than 3 internal diameter 2-10mm of pressure roller ontology, preferably oil baffle 43 can be connected on pressure roller ontology 3, and oil baffle
43 are made of brass, so that oil baffle 43 is had certain deformability, are preferably connected on pressure roller ontology 3.In the present embodiment
In, the quantity of oil baffle 43 and placing groove 421 is 1 to 4.
As shown in Fig. 2, reducing oil scraper ring 41 from pressure roller shaft 1 in order to which preferably oil scraper ring 41 is fixed in pressure roller shaft 1
The case where falling off, is provided with fixation kit 5 between oil scraper ring 41 and pressure roller shaft 1, and fixation kit 5 includes being set in pressure roller shaft 1
On round nut 51, retaining retaining ring 52 has been abutted between round nut 51 and oil scraper ring 41, another oil scraper ring 41 outwardly support by side
It is connected to the shaft block ring 53 being set in pressure roller shaft 1, it, can by the retaining retaining ring 52 and shaft block ring 53 at 41 both ends of oil scraper ring
Positional relationship between relatively fixed oil scraper ring 41 and pressure roller shaft 1, reduces oil scraper ring 41 and does not rotate with the rotation of pressure roller shaft 1
The case where.
Specific implementation process: bearing 2 is set in pressure roller shaft 1, and oil scraper ring 41 is kept off by retaining retaining ring 52 and axis
Circle 53 is fixed in pressure roller shaft 1, and then oil baffle 43 is placed in placing groove 421, and pressure is abutted on the outside of oil baffle 43
Roller body 3;Staff conveys lubricating oil to pressure roller assembly by oil guide pipe 11, and lubricating oil is risen by labyrinth gland 4
To lubricating action, and it is not easy to overflow too many lubricating oil.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of labyrinth packaged type pressure roller assembly, including pressure roller shaft (1), the pressure roller shaft (1) is arranged with bearing (2), the axis
It holds (2) and is arranged with pressure roller ontology (3), it is characterized in that: being provided with labyrinth seal between the pressure roller ontology (3) and pressure roller shaft (1)
Device (4);
The labyrinth gland (4) includes the oil scraper ring (41) being set on pressure roller shaft (1), the oil scraper ring (41) and pressure roller
Gap is separated between ontology (3), the oil scraper ring (41) extends internally close to pressure roller ontology (3) one end placement plate (42), institute
It states and is offered on placement plate (42) placing groove (421), be placed with oil baffle (43), the oil baffle in the placing groove (421)
(43) side is connected to pressure roller ontology (3) outwardly, is separated with gap between the oil baffle (43) and placing groove (421).
2. a kind of labyrinth packaged type pressure roller assembly according to claim 1, it is characterized in that: the outer diameter of the oil baffle (43)
Greater than pressure roller ontology (3) internal diameter 2-10mm.
3. a kind of labyrinth packaged type pressure roller assembly according to claim 2, it is characterized in that: the placing groove (421) and gear
The quantity of scraper ring (43) is 1-4.
4. a kind of labyrinth packaged type pressure roller assembly according to claim 3, it is characterized in that: the oil scraper ring (41) and pressure roller
It being provided between axis (1) fixation kit (5), the fixation kit (5) includes the round nut (51) being set on pressure roller shaft (1),
Retaining retaining ring (52) are abutted between the round nut (51) and oil scraper ring (41), another described oil scraper ring (41) side outwardly
Abutting has the shaft block ring (53) being set on pressure roller shaft (1).
5. a kind of labyrinth packaged type pressure roller assembly according to claim 1, it is characterized in that: the oil scraper ring (41) and pressure roller
Spacing between ontology (3) is 1-3mm.
6. a kind of labyrinth packaged type pressure roller assembly according to claim 1, it is characterized in that: the oil baffle (43) and placement
Spacing between slot (421) is 1-3mm.
7. a kind of labyrinth packaged type pressure roller assembly according to claim 1, it is characterized in that: the oil baffle (43) is by brass
It constitutes.
8. a kind of labyrinth packaged type pressure roller assembly according to claim 1, it is characterized in that: the bearing (2) is single-row circle
Taper roller bearing.
9. a kind of labyrinth packaged type pressure roller assembly according to claim 1, it is characterized in that: the pressure roller shaft (1) is along axis
Direction one end offers oil guide pipe (11), and the oil guide pipe (11) is communicated to bearing (2).
10. a kind of labyrinth packaged type pressure roller assembly according to claim 9, it is characterized in that: being set in the oil guide pipe (11)
It is equipped with foxy old hand (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821192654.9U CN208686795U (en) | 2018-07-25 | 2018-07-25 | A kind of labyrinth packaged type pressure roller assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821192654.9U CN208686795U (en) | 2018-07-25 | 2018-07-25 | A kind of labyrinth packaged type pressure roller assembly |
Publications (1)
Publication Number | Publication Date |
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CN208686795U true CN208686795U (en) | 2019-04-02 |
Family
ID=65882511
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CN201821192654.9U Active CN208686795U (en) | 2018-07-25 | 2018-07-25 | A kind of labyrinth packaged type pressure roller assembly |
Country Status (1)
Country | Link |
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CN (1) | CN208686795U (en) |
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2018
- 2018-07-25 CN CN201821192654.9U patent/CN208686795U/en active Active
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