CN208503430U - A kind of output shaft of gear-box bearing block sealing structure - Google Patents
A kind of output shaft of gear-box bearing block sealing structure Download PDFInfo
- Publication number
- CN208503430U CN208503430U CN201820735675.4U CN201820735675U CN208503430U CN 208503430 U CN208503430 U CN 208503430U CN 201820735675 U CN201820735675 U CN 201820735675U CN 208503430 U CN208503430 U CN 208503430U
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- CN
- China
- Prior art keywords
- bearing block
- output shaft
- gear
- gasket
- inflow pipeline
- 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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Abstract
The utility model discloses a kind of output shaft of gear-box bearing block sealing structures, including gear box, one end of the gear box is equipped with bearing block, and the middle position inside bearing block offers the output shaft axis hole being connected with gear box, seal groove is provided at the external position of output shaft axis hole inside the bearing block, the seal groove is internally provided with gasket, the inside circular array of the bearing block is opened up there are four spring groove, the utility model is provided with extension spring, card ball and card slot, realization fixes gasket, prevent gasket from shifting, it ensure that the sealing performance of device, provided with the first inflow pipeline, first arc inner wall, second inflow pipeline and the second arc inner wall, the fluidised form and flow velocity of lubricating oil can be changed, lubricating oil is promoted to quickly flow into, avoid pipe Road blocking causes lubricating oil to overflow, wasting problem.
Description
Technical field
The utility model belongs to gearbox technical field, and in particular to a kind of output shaft of gear-box bearing block sealing structure.
Background technique
Gearbox generally refers to the gearbox of automobile, it is divided into manual, automatic two kinds, and manual transmission is mainly by gear
It is formed with axis, variable-speed torque-converting is generated by different gear combinations；And automatic gear-box AT is by hydraulic torque converter, planet tooth
Wheel, hydraulic displacement system and hydraulic control system composition, reach variable-speed torque-converting by way of fluid power transmitting and gear combination,
And when gearbox assembly, without dedicated sealing structure, it is close that flat sealant progress need to be coated between bearing block and axis hole contact surface
Envelope, then sealant dosage is not easy to control, is easy to cause sealant after assembly excessive or insufficient, causes gearbox by dirt
Dye, or even blocking bearing block axis hole, and then influence the normal operation of gearbox.
In the Chinese patent of Patent No. 201420863030.0, it is noted that a kind of output shaft of gear-box bearing block sealing
Structure has simple and reasonable, installation and easy to maintain, leakproofness energy consumption, and sealing effect is stablized, and speed change is helped to improve
Case installation and maintenance efficiency and operation stability, but it is easy to produce vibration when output shaft rotation, gasket is not fixed firmly, and is easy hair
Raw offset, influences the leakproofness of device, in addition, sealing structure cannot be rapidly injected lubricating oil, lubricating oil is easy to cause to overflow, made
At waste.
Utility model content
The purpose of this utility model is to provide a kind of output shaft of gear-box bearing block sealing structures, to solve above-mentioned background
The gasket proposed in technology is not fixed firmly, and is easy to happen offset, influences the leakproofness of device, in addition, profit cannot be rapidly injected
Lubricating oil is easy to cause lubricating oil to overflow, wasting problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of output shaft of gear-box bearing block sealing
Structure, including gear box, one end of the gear box are equipped with bearing block, and the middle position inside bearing block
The output shaft axis hole being connected with gear box is offered, inside the bearing block at the external position of close output shaft axis hole
It is provided with seal groove, and the side of bearing block offers the first inflow pipeline, the seal groove is internally provided with gasket.
Preferably, the inside circular array of the bearing block is opened up there are four spring groove, and the inside of four spring grooves
It is mounted on extension spring, one end of four extension springs is respectively connected with card ball.
Preferably, the middle position inside the gasket offers the through-hole equal with output shaft shaft hole diameter, and
The inside circular array of gasket is opened up there are four card slot.
Preferably, there are sealing cover, and the first inflow pipeline in the top of first inflow pipeline by threaded engagement connection
Be internally provided with the first arc inner wall.
Preferably, the inside of the gasket offers the second inflow pipeline being connected with the first inflow pipeline, and
Two inflow pipelines are internally provided with the second arc inner wall.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model is provided with extension spring, card ball and card slot, and when in use, worker is first by output shaft of gear-box
It injects in output shaft axis hole, and output shaft installation is fixed, then gasket is set on the output shaft by in-between through-hole,
And put into seal groove, during threading, card ball is squeezed power, and is shunk under the elastic reaction of extension spring,
When gasket is fitted completely in seal groove, the card slot on card ball and gasket matches, and card ball loses extruding force at this time, and
It puts in card slot and is engaged under the elastic reaction of extension spring, engage gasket under four card balls and card slot snap-in function
It is fixed in the seal groove inside bearing block, and then realizes and gasket is fixed, prevent gasket from turning in output shaft
Movement shifts under, ensure that the sealing performance of device.
(2) the utility model is provided in the first inflow pipeline, the first arc inner wall, the second inflow pipeline and the second arc
Wall, in use, worker can unscrew sealing cover, by the first inflow pipeline by lubricating oil infuse into, and pass through the second oil inlet pipe
Road flows into the outer wall of output shaft, improves the lubricity of output shaft, during lubricating oil flow, the first inflow pipeline and second into
The first arc inner wall and the second arc inner wall inside oil-piping utilize the arcuate structure of its own, can change the stream of lubricating oil
State adjusts the flow velocity of lubricating oil, promotes lubricating oil to quickly flow into, avoiding line clogging causes lubricating oil to overflow, and causes to waste
The problem of, and then realize the energy saving of sealing structure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the side view of the utility model；
Fig. 3 is the structural schematic diagram of the utility model gasket；
Fig. 4 is the structural schematic diagram of the utility model bearing block；
Fig. 5 is the partial enlarged view at the utility model A；
In figure: 1- gear box；2- bearing block；21- spring groove；22- extension spring；23- card ball；3- output shaft axis
Hole；4- seal groove；The first inflow pipeline of 5-；51- sealing cover；The first arc inner wall of 52-；6- gasket；61- through-hole；62- card
Slot；The second inflow pipeline of 63-；The second arc inner wall of 631-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to shown in Fig. 1-Fig. 5, the utility model provides a kind of technical solution: a kind of output shaft of gear-box bearing block is close
Seal structure, including gear box 1, one end of gear box 1 are equipped with bearing block 2, and the middle position inside bearing block 2
Place offers the output shaft axis hole 3 being connected with gear box 1, the diameter of axle phase of the diameter and output shaft of output shaft axis hole 3
Match, convenient for the installation of output shaft, 2 inside of bearing block is provided with seal groove 4, and axis at the external position of output shaft axis hole 3
The side for holding seat 2 offers the first inflow pipeline 5, and the first inflow pipeline 5 can inject convenient for lubricating oil, guarantees the profit of output shaft
Sliding, seal groove 4 is internally provided with gasket 6, and gasket 6 can be realized output sealing, prevent sundries overflow into.
Further, the inside circular array of bearing block 2 is opened up there are four spring groove 21, and four spring grooves 21 is interior
Portion is mounted on extension spring 22, and one end of four extension springs 22 is respectively connected with card ball 23, passes through the elasticity of extension spring 22
Performance is able to drive card ball 23 and stretches.
Specifically, the middle position inside gasket 6 offers the through-hole 61 equal with 3 diameter of output shaft axis hole, and
The inside circular array of gasket 6 is opened up there are four card slot 62, and card slot 62 matches with card ball 23, can be realized gasket 6
It is fixed in the seal groove 4 inside bearing block 2.
It is worth noting that there are sealing cover 51, and the first oil inlet in the top of the first inflow pipeline 5 by threaded engagement connection
Pipeline 5 is internally provided with the first arc inner wall 52.
Further, the inside of gasket 6 offers the second inflow pipeline 63 being connected with the first inflow pipeline 5, and
Second inflow pipeline 63 is internally provided with the second arc inner wall 631, the shape of the second arc inner wall 631 and the first arc inner wall 52
Shape is identical, can change the fluidised form and flow velocity of the first inflow pipeline 5 and the second inflow pipeline 63 internal lubrication oil, promotes lubricating oil
Flow into.
Working principle: when the utility model is used, worker injects output shaft of gear-box in output shaft axis hole 3, and will
Output shaft installation fixes, then gasket 6 is set on the output shaft by in-between through-hole 61, and puts into seal groove 4,
During threading, card ball 23 is squeezed power, and is shunk under the elastic reaction of extension spring 22, when gasket 6 is complete
When putting into seal groove 4, the card slot 62 on card ball 23 and gasket 6 matches, and card ball 23 loses extruding force at this time, and is stretching
It puts in card slot 62 and is engaged under the elastic reaction of spring 22, make gasket 6 in 62 snap-in function of four card balls 23 and card slot
Under be fixed in the seal groove 4 inside bearing block 2, prevent gasket 6 from shifting under output shaft rotary action, guarantee
The sealing performance of device, in addition, in the device course of work worker can unscrew sealing cover 51, it will profit by the first inflow pipeline 5
Lubricating oil is infused into and flowing into the outer wall of output shaft by the second inflow pipeline 63, the lubricity of output shaft is improved, in lubricating oil flow
In the process, the first arc inner wall 52 inside the first inflow pipeline 5 and the second inflow pipeline 63 and the second arc inner wall 631 utilize
The arcuate structure of its own can change the fluidised form of lubricating oil, adjust the flow velocity of lubricating oil, promote lubricating oil to quickly flow into, just
It is lubricated in output shaft.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of output shaft of gear-box bearing block sealing structure, including gear box (1), it is characterised in that: the gearbox
One end of cabinet (1) is equipped with bearing block (2), and the middle position of bearing block (2) inside offers and gear box (1)
The output shaft axis hole (3) being connected, bearing block (2) inside are provided with close at the external position of output shaft axis hole (3)
Sealing groove (4), and the side of bearing block (2) offers the first inflow pipeline (5), the seal groove (4) is internally provided with sealing
It pads (6).
2. a kind of output shaft of gear-box bearing block sealing structure according to claim 1, it is characterised in that: the bearing block
(2) inside circular array is opened up there are four spring groove (21), and the inside of four spring grooves (21) is mounted on stretching bullet
One end of spring (22), four extension springs (22) is respectively connected with card ball (23).
3. a kind of output shaft of gear-box bearing block sealing structure according to claim 1, it is characterised in that: the gasket
(6) internal middle position offers the through-hole equal with output shaft axis hole (3) diameter (61), and the inside of gasket (6)
Circular array is opened up there are four card slot (62).
4. a kind of output shaft of gear-box bearing block sealing structure according to claim 1, it is characterised in that: described first into
The top of oil-piping (5) has sealing cover (51) by threaded engagement connection, and the first inflow pipeline (5) is internally provided with first
Arc inner wall (52).
5. a kind of output shaft of gear-box bearing block sealing structure according to claim 3, it is characterised in that: the gasket
(6) inside offers the second inflow pipeline (63) being connected with the first inflow pipeline (5), and the second inflow pipeline (63)
It is internally provided with the second arc inner wall (631).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820735675.4U CN208503430U (en) | 2018-05-17 | 2018-05-17 | A kind of output shaft of gear-box bearing block sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820735675.4U CN208503430U (en) | 2018-05-17 | 2018-05-17 | A kind of output shaft of gear-box bearing block sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208503430U true CN208503430U (en) | 2019-02-15 |
Family
ID=65292659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820735675.4U Expired - Fee Related CN208503430U (en) | 2018-05-17 | 2018-05-17 | A kind of output shaft of gear-box bearing block sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208503430U (en) |
-
2018
- 2018-05-17 CN CN201820735675.4U patent/CN208503430U/en not_active Expired - Fee Related
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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: 20190215 Termination date: 20190517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |