CN209196117U - The sealing of axle journal permeability - Google Patents
The sealing of axle journal permeability Download PDFInfo
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- CN209196117U CN209196117U CN201822163787.XU CN201822163787U CN209196117U CN 209196117 U CN209196117 U CN 209196117U CN 201822163787 U CN201822163787 U CN 201822163787U CN 209196117 U CN209196117 U CN 209196117U
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Abstract
The utility model relates to the technical fields of equipment sealing auxiliary equipment, seal more particularly to a kind of axle journal permeability, can mitigate or thoroughly eliminate the permeability phenomenon at equipment shaft neck, improve use reliability；Including bearing housing, ball bearing, equipment axis, bearing (ball) cover and multiple groups bearing (ball) cover bolt, bearing housing is internally provided with working chamber, and the right end of bearing housing is provided with installation through-hole, communicates inside installation through-hole and working chamber；Bearing (ball) cover is internally provided with oil return chamber, and the external right side circumference of equipment axis is provided with oil-recovery tank, and the external right side of equipment axis is provided with oil return screw thread, oil return screw thread is located at the right side of oil-recovery tank, and the thread rotary orientation of oil return screw thread and the steering of equipment axis are reversed, oil-recovery tank and oil return screw thread are respectively positioned on oil return chamber interior, oil return through-hole are provided in the inner wall of installation through-hole bottom end, and working chamber is connected to oil return chamber by oil return through-hole.
Description
Technical field
The utility model relates to the technical fields of equipment sealing auxiliary equipment, close more particularly to a kind of axle journal permeability
Envelope.
Background technique
It is well known that the sealing of axle journal permeability is a kind of rotational position between rotating machinery axis and bearing housing,
The auxiliary device for reducing permeability phenomenon, is widely used in a variety of applications, all rotating machinery ratios in the field of equipment sealing
Such as: it is exactly " axis " that blower, pump, steam turbine, generator, which require a crucial essential component, and existing rotation is set
Standby structure position includes bearing housing, ball bearing, equipment axis, bearing (ball) cover and multiple groups bearing (ball) cover bolt, is set inside bearing housing
Be equipped with working chamber, and the right end of bearing housing is provided with installation through-hole, communicates inside installation through-hole and working chamber, equipment axle position in
Inside bearing housing, and ball bearing is fixedly mounted on inside installation through-hole, and the right end of equipment axis is worn from working chamber inner transverse
It crosses inside ball bearing and the right end for extending out to bearing housing is extraneous, and the periphery wall of equipment axis and the inner ring of ball bearing
Circumferential inner wall is fixedly connected, and the periphery wall of ball bearing outer ring is fixedly connected with the inside circumference wall of installation through-hole,
Multiple groups installation threaded hole is provided on bearing housing right end outer wall, and multiple groups installation threaded hole is evenly distributed with circumference and is arranged in installation through-hole
Outside, bearing (ball) cover is sleeved on the external right side of equipment axis, and the right end outer wall of the left end of bearing (ball) cover and bearing housing pastes
Tightly, and on bearing (ball) cover circumference is correspondingly arranged on multiple groups bolt hole, and the left end of multiple groups bearing (ball) cover bolt is each passed through more
Inside group bolt hole, and the left end of multiple groups bearing (ball) cover bolt is inserted into respectively and spiral shell is filled to inside multiple groups installation threaded hole,
Equipment axis can be relatively rotated with bearing (ball) cover；When existing rotating machinery works, if the lubricating oil of bearing housing is to belong to self-lubricating,
Oil remains static without pressure, and oil level is only at three bearing balls of the bottommost of ball bearing, when setting
When standby axis rotation, ball just lubricates at one when by the oil level of bearing housing, by oil level ball whole body all with oil liquid around
Ball bearing roll, each bearing ball is moved in circles in this way by an oil level, so bearing whole body can also be covered with oil liquid,
Oil liquid with bearing, which can flow on axle body, can also be covered with oil liquid on final axle body, and the oil liquid on axle body will be arrived along axis seepage flow
It at axle journal, eventually passes through at axle journal and outside seepage flow to bearing housing, if it is bearing shell formula device, because bearing shell formula device is active
Lubrication, it is active lubrication be exactly equipment at work grease pump to work asynchronously give bearing shell offer lubricating oil, this lubricating oil
It is with pressure, this lubricating oil is circulation under the action of pump, and amount is also bigger, so as to cause the infiltration of lubricating oil
Oily phenomenon is more serious, lower so as to cause the lubrication use reliability of existing rotating machinery.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of mitigation or the thorough permeability eliminated at equipment shaft neck
Phenomenon improves the axle journal permeability sealing of use reliability.
A kind of axle journal permeability of the utility model seals, including bearing housing, ball bearing, equipment axis, bearing (ball) cover and more
Group bearing (ball) cover bolt, bearing housing is internally provided with working chamber, and the right end of bearing housing is provided with installation through-hole, installation through-hole
It is communicated with inside working chamber, equipment axle position is inside bearing housing, and ball bearing is fixedly mounted on inside installation through-hole, equipment
The right end of axis passes through ball bearing inside from working chamber inner transverse and extend out to the right end external world of bearing housing, and equipment axis
Periphery wall is fixedly connected with the inner ring circumferential inner wall of ball bearing, and the periphery wall of ball bearing outer ring and installation
The inside circumference wall of through-hole is fixedly connected, and multiple groups installation threaded hole is provided on bearing housing right end outer wall, and multiple groups install spiral shell
Pit is evenly distributed with the outside that installation through-hole is arranged in circumference, and bearing (ball) cover is sleeved on the external right side of equipment axis, and bearing (ball) cover
Left end and the right end outer wall of bearing housing be adjacent to, and circumference is correspondingly arranged on multiple groups bolt hole, multiple groups axis on bearing (ball) cover
The left end of socket end bonnet bolt is each passed through inside multiple groups bolt hole, and the left end of multiple groups bearing (ball) cover bolt is inserted into simultaneously respectively
Spiral shell is filled to inside multiple groups installation threaded hole, and equipment axis can be relatively rotated with bearing (ball) cover；The bearing (ball) cover is internally provided with back
Oil-in chamber, and the external right side circumference of the equipment axis is provided with oil-recovery tank, and the external right side of equipment axis is provided with back
Whelk line, the oil return screw thread are located at the right side of the oil-recovery tank, and the thread rotary orientation of oil return screw thread and the equipment axis
Steering is reversed, and oil-recovery tank and oil return screw thread are respectively positioned on the oil return chamber interior, is set in the inner wall of the installation through-hole bottom end
It is equipped with oil return through-hole, and working chamber is connected to oil return chamber by oil return through-hole.
A kind of axle journal permeability of the utility model seals, and further includes bearing inner race baffle ring and bearing inner race and cap, the axis
It holds inner ring baffle ring and bearing inner race and cap is respectively positioned on the oil return chamber interior, and the right hand external of the equipment axis is provided with
With bearing inner race and external screw-thread that cap internal whorl matches, and external screw-thread is located at the left side of the oil-recovery tank, described
Bearing inner race baffle ring is sleeved on the equipment axis, and the inner ring right end of the left end of bearing inner race baffle ring and the ball bearing
Be adjacent to, the bearing inner race and cap spiral shell encapsulation are located at the right hand external of the equipment axis, and the left end of bearing inner race and cap with
The right end of bearing inner race baffle ring is adjacent to.
Compared with prior art the utility model has the following beneficial effects: when the rotation of equipment axis, to drive ball bearing
It is rotated, when ball bearing is taken the lubricating oil in bearing housing to oil return chamber interior out of because of high speed rotation, in lubricating oil
When by oil-recovery tank, it will be flowed back in the working chamber of bearing housing by oil-recovery tank choked flow to oil return chamber interior by oil return through-hole,
When because lubricating oil oil mass is excessive cross oil-recovery tank when, can be rotated at the same speed by oil return Luo line in oil return screw thread and equipment axis
In the process, since the rotation direction of the thread rotary orientation of oil return screw thread and equipment axis is on the contrary, allow oil return screw thread by lubricating oil picture
Fan is the same to push back oil return chamber interior lubricating oil, and then is flowed back in the working chamber of bearing housing by oil return through-hole.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial enlargement structural representation at the utility model A；
Fig. 3 is the partial enlargement structural representation at the utility model B；
It is attached marked in the figure: 1, bearing housing；2, ball bearing；3, equipment axis；4, bearing (ball) cover；5, bearing (ball) cover bolt；6,
Oil-recovery tank；7, oil return screw thread；8, oil return through-hole；9, bearing inner race baffle ring；10, bearing inner race and cap；11, external screw-thread.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figure 1 to Figure 3, a kind of axle journal permeability sealing of the utility model, including bearing housing 1, ball bearing 2, set
Standby axis 3, bearing (ball) cover 4 and multiple groups bearing (ball) cover bolt 5, bearing housing 1 are internally provided with working chamber, and the right end of bearing housing 1
It is provided with installation through-hole, is communicated inside installation through-hole and working chamber, equipment axis 3 is located inside bearing housing 1, and ball bearing 2
It is fixedly mounted on inside installation through-hole, the right end of equipment axis 3 passes through 2 inside of ball bearing from working chamber inner transverse and extend out to
The right end of bearing housing 1 is extraneous, and the periphery wall of equipment axis 3 is fixedly connected with the inner ring circumferential inner wall of ball bearing 2, and
And the periphery wall of 2 outer ring of ball bearing is fixedly connected with the inside circumference wall of installation through-hole, is set on 1 right end outer wall of bearing housing
It is equipped with multiple groups installation threaded hole, and multiple groups installation threaded hole is evenly distributed with the outside that installation through-hole is arranged in circumference, 4 sets of bearing (ball) cover
Mounted in the external right side of equipment axis 3, and the left end of bearing (ball) cover 4 and the right end outer wall of bearing housing 1 are adjacent to, and bearing (ball) cover
Circumference is correspondingly arranged on multiple groups bolt hole on 4, and the left end of multiple groups bearing (ball) cover bolt 5 is each passed through in multiple groups bolt hole
Portion, and the left end of multiple groups bearing (ball) cover bolt 5 is inserted into respectively and spiral shell is filled to inside multiple groups installation threaded hole, equipment axis 3 and axis
Socket end lid 4 can relatively rotate；Bearing (ball) cover 4 is internally provided with oil return chamber, and the external right side circumference of equipment axis 3 is provided with
Oil-recovery tank 6, and the external right side of equipment axis 3 is provided with oil return screw thread 7, and oil return screw thread 7 is located at the right side of oil-recovery tank 6, and
The thread rotary orientation of oil return screw thread 7 and the steering of equipment axis 3 are reversed, and oil-recovery tank 6 and oil return screw thread 7 are respectively positioned in oil back chamber room
Portion is provided with oil return through-hole 8 in the inner wall of installation through-hole bottom end, and working chamber is connected to oil return chamber by oil return through-hole 8；When
When equipment axis rotates, to drive ball bearing to be rotated, when ball bearing is because high speed rotation is the lubricating oil in bearing housing
When taking out of to oil return chamber interior, when lubricating oil passes through oil-recovery tank, it will pass through by oil-recovery tank choked flow to oil return chamber interior
Oil return through-hole flows back in the working chamber of bearing housing, when because lubricating oil oil mass is excessive cross oil-recovery tank when, oil return Luo can be passed through
Line, in oil return screw thread and the synchronized rotation process of equipment axis, due to the thread rotary orientation of oil return screw thread and the rotation direction of equipment axis
On the contrary, alloing oil return screw thread that lubricating oil is pushed back oil return chamber interior as fan by lubricating oil, and then logical by oil return
Hole is flowed back in the working chamber of bearing housing.
A kind of axle journal permeability of the utility model seals, and further includes bearing inner race baffle ring 9 and bearing inner race and cap 10, bearing
Simultaneously cap 10 is respectively positioned on oil return chamber interior for inner ring baffle ring 9 and bearing inner race, and the right hand external of equipment axis 3 is provided with and bearing
The external screw-thread 11 that inner ring and 10 internal whorl of cap match, and external screw-thread 11 is located at the left side of oil-recovery tank 6, bearing inner race
Baffle ring 9 is sleeved on equipment axis 3, and the left end of bearing inner race baffle ring 9 and the inner ring right end of ball bearing 2 are adjacent to, in bearing
Enclose the right hand external that simultaneously 10 spiral shell encapsulation of cap is located at equipment axis 3, and the left end of bearing inner race and cap 10 and bearing inner race baffle ring 9
Right end is adjacent to；It can be assembled and be closed by bearing inner race and the spiral shell between cap and external screw-thread, by bearing inner race baffle ring and ball axis
It holds and is adjacent to, so as to improve the stabilization erectility between ball bearing and equipment axis.
The axle journal permeability of the utility model seals, and oil return thread rotary orientation only indicates a kind of rotation direction technique of painting in attached drawing, practical
Oil return thread rotary orientation is reversed according to the rotation direction of physical device axis.
The axle journal permeability of the utility model seals, at work, first by bearing inner race and cap and external screw-thread it
Between spiral shell assemble close, bearing inner race baffle ring is adjacent to ball bearing, when equipment axis rotate when, so that ball bearing be driven to carry out
Rotation is passed through when ball bearing is taken the lubricating oil in bearing housing to oil return chamber interior out of because of high speed rotation in lubricating oil
When oil-recovery tank, will be flowed back in the working chamber of bearing housing by oil-recovery tank choked flow to oil return chamber interior by oil return through-hole, work as because
It, can be by oil return Luo line, in oil return screw thread and the synchronized rotation process of equipment axis when lubricating oil oil mass excessively crosses oil-recovery tank
In, since the thread rotary orientation of oil return screw thread and the rotation direction of equipment axis are on the contrary, allow oil return screw thread by lubricating oil as fan
Lubricating oil is equally pushed back oil return chamber interior, and then is flowed back in the working chamber of bearing housing by oil return through-hole.
In addition, term " installation ", " setting ", " being equipped with ", " connection ", " connected ", " suit " shall be understood in a broad sense, for example,
It may be a fixed connection, be detachably connected or monolithic construction；It can be mechanical connection, or electrical connection；It can be direct phase
It even, or indirectly connected through an intermediary, or is two connections internal between device, element or component,
For those of ordinary skills, can understand as the case may be above-mentioned term in the present invention specifically contain
Justice.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into modification.
Claims (2)
1. a kind of axle journal permeability sealing, including bearing housing (1), ball bearing (2), equipment axis (3), bearing (ball) cover (4) and multiple groups
Bearing (ball) cover bolt (5), bearing housing (1) is internally provided with working chamber, and the right end of bearing housing (1) is provided with installation through-hole,
It is communicated inside installation through-hole and working chamber, it is internal that equipment axis (3) is located at bearing housing (1), and ball bearing (2) is fixedly mounted on
Inside installation through-hole, the right end of equipment axis (3) passes through ball bearing (2) inside from working chamber inner transverse and extend out to bearing housing
(1) right end is extraneous, and the periphery wall of equipment axis (3) is fixedly connected with the inner ring circumferential inner wall of ball bearing (2), and
And the periphery wall of ball bearing (2) outer ring is fixedly connected with the inside circumference wall of installation through-hole, bearing housing (1) right end outer wall
On be provided with multiple groups installation threaded hole, and multiple groups installation threaded hole be evenly distributed with the outside that installation through-hole is arranged in circumference, bearing end
Lid (4) is sleeved on the external right side of equipment axis (3), and the right end outer wall of the left end of bearing (ball) cover (4) and bearing housing (1) pastes
Tightly, and on bearing (ball) cover (4) circumference is correspondingly arranged on multiple groups bolt hole, the left end difference of multiple groups bearing (ball) cover bolt (5)
Inside multiple groups bolt hole, and the left end of multiple groups bearing (ball) cover bolt (5) is inserted into respectively and spiral shell is filled to multiple groups installation spiral shell
Inside pit, equipment axis (3) can be relatively rotated with bearing (ball) cover (4)；It is characterized in that, setting inside the bearing (ball) cover (4)
There is oil return chamber, and the external right side circumference of the equipment axis (3) is provided with oil-recovery tank (6), and the outside of equipment axis (3)
Right side is provided with oil return screw thread (7), and the oil return screw thread (7) is located at the right side of the oil-recovery tank (6), and oil return screw thread (7)
Thread rotary orientation and the steering of the equipment axis (3) be reversed, oil-recovery tank (6) and oil return screw thread (7) are respectively positioned on the oil return
Chamber interior is provided with oil return through-hole (8) in the inner wall of the installation through-hole bottom end, and working chamber and oil return chamber pass through oil return
Through-hole (8) connection.
2. axle journal permeability sealing as described in claim 1, which is characterized in that further include in bearing inner race baffle ring (9) and bearing
Simultaneously cap (10) is enclosed, the bearing inner race baffle ring (9) and bearing inner race and cap (10) are respectively positioned on the oil return chamber interior, and institute
The right hand external for stating equipment axis (3) is provided with the external screw-thread (11) that with bearing inner race and cap (10) internal whorl matches, and
And external screw-thread (11) is located at the left side of the oil-recovery tank (6), the bearing inner race baffle ring (9) is sleeved on the equipment axis (3)
On, and the left end of bearing inner race baffle ring (9) and the inner ring right end of the ball bearing (2) are adjacent to, the bearing inner race and cap
(10) spiral shell encapsulation is located at the right hand external of the equipment axis (3), and the left end and bearing inner race of bearing inner race and cap (10) are kept off
The right end of ring (9) is adjacent to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822163787.XU CN209196117U (en) | 2018-12-21 | 2018-12-21 | The sealing of axle journal permeability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822163787.XU CN209196117U (en) | 2018-12-21 | 2018-12-21 | The sealing of axle journal permeability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209196117U true CN209196117U (en) | 2019-08-02 |
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ID=67429958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822163787.XU Active CN209196117U (en) | 2018-12-21 | 2018-12-21 | The sealing of axle journal permeability |
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| CN (1) | CN209196117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895094A (en) * | 2020-06-22 | 2020-11-06 | 东风柳州汽车有限公司 | Oil sealing structure for automobile engine |
-
2018
- 2018-12-21 CN CN201822163787.XU patent/CN209196117U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895094A (en) * | 2020-06-22 | 2020-11-06 | 东风柳州汽车有限公司 | Oil sealing structure for automobile engine |
| CN111895094B (en) * | 2020-06-22 | 2022-09-13 | 东风柳州汽车有限公司 | Oil sealing structure for automobile engine |
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