CN207145943U - A kind of bicycle middle shaft injection system - Google Patents
A kind of bicycle middle shaft injection system Download PDFInfo
- Publication number
- CN207145943U CN207145943U CN201721030092.3U CN201721030092U CN207145943U CN 207145943 U CN207145943 U CN 207145943U CN 201721030092 U CN201721030092 U CN 201721030092U CN 207145943 U CN207145943 U CN 207145943U
- Authority
- CN
- China
- Prior art keywords
- bolt
- hole
- middle shaft
- axis
- dust
- 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
Abstract
The utility model discloses a kind of bicycle middle shaft injection system, including axis, the bolt being connected with the bolt hole of axis, the axis ball and the ball shelves platform spacing for ball set on axis, ball shelves platform surface is provided with least one oil outlet, the end set of axis has the oiling passage being connected through axis inside with oil outlet, the utility model is in the servicing operations of middle shaft structure, maintenance process is simple, dismounting without professional and technical personnel, it ensure that the overall tightness of middle axle, improve the service life of middle axle, the lubricating maintenance of middle shaft structure efficient can be realized simultaneously.
Description
Technical field
It the utility model is related to axle for bicycle technical field, and in particular to a kind of bicycle middle shaft injection system.
Background technology
, it is necessary to which technical staff is carried out with special instrument to bicycle center shaft structure in the lubricating maintenance of bicycle middle shaft
Lubricating maintenance is dismantled, is not wasted time and energy tightly, it is relatively complicated in unloading process and easily damage other parts, after lubricating maintenance,
Occur in assembling process and assemble situation not in place, damage middle axle, have impact on normal use and the life-span of middle axle.
Utility model content
The technical problems to be solved in the utility model is：It is simple in construction to provide one kind, it is easy to use, without dismantling middle shaft part
Part, you can realize the bicycle middle shaft injection system that oiling maintaining is carried out to middle axle.
To realize above-mentioned target, the technical solution of the utility model is：A kind of bicycle middle shaft injection system, including in
Axle, the bolt being connected with the bolt hole of axis, the axis ball set on axis and the ball shelves spacing for ball
Platform, it is characterised in that：Ball shelves platform surface is provided with least one oil outlet, and the end surface of axis is provided through in axis
The oiling passage that portion is connected with oil outlet.
Preferably, oiling passage is gradually reduced by middle shaft end to the bore in oil outlet direction.
Preferably, the hole depth of bolt hole is 26mm -30mm.
Preferably, the ball shelves platform side face away from middle shaft end side is arranged with oil shield.
Preferably, side of the oil shield away from middle shaft end is provided with the oil shield block machine concentric with axis, oil shield side
Surface fits in the side surface of oil shield block machine.
Preferably, oiling passage is arranged at the end of bolt hole, and the axis of oiling passage and the axis of bolt hole coincide,
Oiling passage end is connected with bolt hole, and the other end is connected with oil outlet.
Preferably, it is provided with bolt along its axially arranged oiling through hole, oiling through hole and is connected with oiling passage.
Preferably, the dust-proof sealing device for sealed oiling through hole is provided with the bolt head of bolt.
Preferably, dust-proof sealing device and bolt are cooperated by four kinds of structures, first way：Set in oiling through hole
Internal thread is equipped with, dust-proof sealing device is dust-proof bolt, and the stud of dust-proof bolt is connected with the screw-internal thread fit of oiling through hole, is prevented
The bolt head of dirt bolt is covered on the bolt head surface of bolt；The second way：Dust-proof sealing device is cylindrical structure, cylinder
Bottom surface is provided with blind hole, and connection internal thread is provided with blind hole, and the bolt head outer peripheral face of bolt is provided with connection external screw thread and blind hole
It is detachably connected；The third mode：The well of the bolt head of bolt is shoulder hole, and ladder aperture is interior hexagonal hole, ladder macropore
Internal thread is inside provided with, dust-proof sealing device is sealing bolt, and the stud of sealing bolt connects with the screw-internal thread fit of ladder macropore
Connect, the bolt skull of sealing bolt in the big hole surface of ladder；4th kind of mode：Dust-proof sealing device is the bolt head for being packed into bolt
Well in gasket seal.
The utility model is in the servicing operations of middle shaft structure, and maintenance process is simple, without professional and technical personnel's
Dismounting, the overall tightness of middle axle is ensure that, improve the service life of middle axle, while can be in efficient realization
The lubricating maintenance of axle construction.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the first method of sealing structure；
Fig. 3 is the structural representation of the second method of sealing structure；
Fig. 4 is the structural representation of the Third Way of sealing structure.
Drawing explanation：1st, axis, 2, bolt, 3, axis ball, 4, ball shelves platform, 5, oil outlet, 6, oiling passage, 7, shield
Oil cover, 8, oil shield block machine, 9, oiling through hole, 10, dust-proof bolt, 11, blind hole, 12, shoulder hole, 13, sealing bolt, 14 instruments
Groove.
Embodiment
In description of the present utility model, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", " preceding ",
The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on
Orientation shown in the drawings or position relationship, it is for only for ease of description the utility model, rather than instruction or the dress for implying meaning
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Limitation.
The technical solution of the utility model, a kind of bicycle middle shaft injection system, including axis is described in detail with reference to accompanying drawing
1st, the axis ball 3 and the ball shelves spacing for ball set on the bolt 2 that is connected with the bolt hole of axis, axis
Platform 4, ball shelves platform surface are provided with least one oil outlet 5, the end surface of axis be provided through inside axis with it is fuel-displaced
The oiling passage 6 that hole is connected, when injecting lubricating oil to bicycle middle shaft inside, lubricating oil is led to by oiling using oil gun
Road and oil outlet are injected into ball shelves platform surface and are lubricated, and oiling passage can be set to by middle shaft end to oil outlet direction
The diminishing structure of bore, it is larger to avoid oiling passage volume shared by inside the axis, have impact on the bulk strength of axis,
The flow velocity of lubricating oil in oiling passage can be strengthened during oiling simultaneously, in order to which lubricating oil to be limited in the position of axis ball
Put, oil shield 7 can be arranged with the ball shelves platform side face away from middle shaft end side, effectively prevent that lubricating oil spill dissipates, in order to
By the spacing fixation of oil shield, the oil shield block machine 8 concentric with axis can be provided with side of the oil shield away from middle shaft end, is protected
Oil cover side surface fits in the side surface of oil shield block machine, and in order to facilitate oiling, oiling passage can be arranged to the end of bolt hole
End, the axis of oiling passage and the axis of bolt hole coincide, and oiling passage end is connected with bolt hole, the other end with it is fuel-displaced
Hole is connected, and in oiling, need to only take out bolt, you can carries out oiling to bolt hole by oil gun, lubricating oil passes through successively
Bolt hole, oiling passage and oil outlet reach oiling position, after the completion of oiling, tighten bolt, complete whole oiling process, bolt
It is 26mm -30mm that hole, which can be set to hole depth, and when tightening bolt, the lubricating oil in bolt hole will be lubricated by the extruding of bolt
Oil is advanced into oil outlet, and what the lubricants capacity in bolt hole can provide lubricating maintenance uses oil mass；In oiling, in order to more
Easily oiling, it can be provided with bolt along its axially arranged oiling through hole 9, oiling through hole and be connected with oiling passage,
During oiling, without demounting bolt, you can by realizing oiling process to the oiling of oiling through hole.
After the completion of oiling, in order to prevent lubricating oil from being flowed out from oiling through hole, it can be provided with and be used on the bolt head of bolt
The dust-proof sealing device of sealed oiling through hole, dust-proof sealing device and bolt can have various structures mutual cooperation, dust seal dress
Put the gasket seal in the well 14 that can be the bolt head for being packed into bolt；Referring to the drawings 2, interior spiral shell is provided with oiling through hole
Line, dust-proof sealing device are dust-proof bolt 10, and the stud of dust-proof bolt is connected with the screw-internal thread fit of oiling through hole, dust-proof bolt
Bolt head be covered on the bolt head surface of bolt；Referring to the drawings 3, dust-proof sealing device is cylindrical structure, and the bottom surface of cylinder is set
Blind hole 11 is equipped with, connection internal thread is provided with blind hole, the bolt head outer peripheral face of bolt is provided with connection external screw thread and blind hole is removable
Connection is unloaded, referring to the drawings 4, the well of the bolt head of connecting bolt is shoulder hole 12, and ladder aperture is interior hexagonal hole, ladder macropore
Internal thread is inside provided with, dust-proof sealing device is sealing bolt 13, the stud of sealing bolt and the screw-internal thread fit of ladder macropore
Connection, the bolt skull of sealing bolt in the big hole surface of ladder.
General principle of the present utility model, principal character and advantage has been shown and described above, it is new not departing from this practicality
On the premise of type spirit and scope, the utility model also has various changes and modifications, and these changes and improvements both fall within requirement and protected
The scope of the utility model of shield.
Claims (12)
1. a kind of bicycle middle shaft injection system, including set on axis, the bolt being connected with the bolt hole of axis, axis
Axis ball and the ball shelves platform spacing for ball, it is characterised in that：Ball shelves platform surface be provided with it is at least one go out
Oilhole, the end surface of axis are provided through the oiling passage being connected inside axis with oil outlet.
A kind of 2. bicycle middle shaft injection system according to claim 1, it is characterised in that：Oiling passage is by middle shaft end
Bore to oil outlet direction is gradually reduced.
3. according to a kind of 1 bicycle middle shaft injection system of claim, it is characterised in that：The hole depth of bolt hole is 26mm
─30mm。
A kind of 4. bicycle middle shaft injection system according to claim 1, it is characterised in that：Away from middle shaft end side
Ball shelves platform side face is arranged with oil shield.
A kind of 5. bicycle middle shaft injection system according to claim 4, it is characterised in that：Oil shield is away from middle shaft end
Side be provided with the oil shield block machine concentric with axis, oil shield side surface fits in the side surface of oil shield block machine.
6. according to claim 1-a kind of bicycle middle shaft injection system described in 5 any one, it is characterised in that：Oiling is led to
Road is arranged at the end of bolt hole, and the axis of oiling passage and the axis of bolt hole coincide, oiling passage end and bolt hole
It is connected, the other end is connected with oil outlet.
A kind of 7. bicycle middle shaft injection system according to claim 1, it is characterised in that：It is provided with bolt along its axle
To the oiling through hole of setting, oiling through hole is connected with oiling passage.
A kind of 8. bicycle middle shaft injection system according to claim 7, it is characterised in that：Set on the bolt head of bolt
There is the dust-proof sealing device for sealed oiling through hole.
A kind of 9. bicycle middle shaft injection system according to claim 8, it is characterised in that：Dust-proof sealing device and bolt
Cooperate, be provided with internal thread in oiling through hole, dust-proof sealing device is dust-proof bolt, and stud and the oiling of dust-proof bolt are led to
The screw-internal thread fit connection in hole, the bolt head of dust-proof bolt are covered on the bolt head surface of bolt.
A kind of 10. bicycle middle shaft injection system according to claim 8, it is characterised in that：Dust-proof sealing device and spiral shell
Bolt is cooperated, and dust-proof sealing device is cylindrical structure, and the bottom surface of cylinder is provided with blind hole, and spiral shell in connection is provided with blind hole
Line, the bolt head outer peripheral face of bolt are provided with connection external screw thread and are detachably connected with blind hole.
A kind of 11. bicycle middle shaft injection system according to claim 8, it is characterised in that：Dust-proof sealing device and spiral shell
Bolt cooperates, and the well of the bolt head of bolt is shoulder hole, and ladder aperture is interior hexagonal hole, and interior spiral shell is provided with ladder macropore
Line, dust-proof sealing device are sealing bolt, and the stud of sealing bolt is connected with the screw-internal thread fit of ladder macropore, sealing bolt
Bolt skull in the big hole surface of ladder.
A kind of 12. bicycle middle shaft injection system according to claim 8, it is characterised in that：Dust-proof sealing device and spiral shell
Bolt cooperates, and dust-proof sealing device is the gasket seal in the well for the bolt head for being packed into bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721030092.3U CN207145943U (en) | 2017-08-17 | 2017-08-17 | A kind of bicycle middle shaft injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721030092.3U CN207145943U (en) | 2017-08-17 | 2017-08-17 | A kind of bicycle middle shaft injection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207145943U true CN207145943U (en) | 2018-03-27 |
Family
ID=61665731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721030092.3U Active CN207145943U (en) | 2017-08-17 | 2017-08-17 | A kind of bicycle middle shaft injection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207145943U (en) |
-
2017
- 2017-08-17 CN CN201721030092.3U patent/CN207145943U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205937393U (en) | Connecting screw | |
| CN207145943U (en) | A kind of bicycle middle shaft injection system | |
| CN207421536U (en) | Fast-dismounting self-locking duplex clip | |
| CN208764110U (en) | A kind of non-maintaining bolt and nut protector | |
| CN109555530A (en) | A kind of mine heavy roadheader cutterhead connection structure and development machine | |
| CN110329945A (en) | Use the jack and hydraulic support of aqueous medium | |
| CN207045592U (en) | A kind of bicycle pedal shaft injection system | |
| CN109339715B (en) | A kind of oil field screw-type tubing nipple of the outer silk of double end | |
| CN109667911A (en) | A kind of motor cycle engine chain drum | |
| CN209340465U (en) | The novel swelled plug cock of railway locomotive | |
| CN209354150U (en) | A kind of mine heavy roadheader cutterhead connection structure and development machine | |
| CN207246414U (en) | A kind of fixed shaft type lubrication sealing mechanism of shaft | |
| CN210970591U (en) | Splicing structure of honeycomb air duct of passenger car | |
| CN202825722U (en) | Oil tank screw cap screwing tool | |
| CN107060742B (en) | Plane strain high-strength well wall loading device and test loading method | |
| CN207470567U (en) | A kind of quick detachable bolt of lubricated type | |
| CN207935198U (en) | A kind of guide rod cylinder combination | |
| CN207686854U (en) | A kind of novel gas machine body | |
| CN207122484U (en) | A kind of torsional shear type bolt auxiliary connection | |
| CN207018329U (en) | A kind of bolt assembly | |
| CN209164253U (en) | A kind of no-welding type anti-corrosion connection sleeve for rail traffic | |
| CN216186250U (en) | Good fertilization jar of anticorrosiveness is with gland head | |
| CN107387762A (en) | A kind of fixed shaft type lubrication and seal mechanism of rotating shaft | |
| CN211649722U (en) | Reinforced anti-drop external toothed channel | |
| CN204998248U (en) | Mining automobile wheel hub |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |