CN212226664U - Oil storage sliding sleeve for damping front fork - Google Patents
Oil storage sliding sleeve for damping front fork Download PDFInfo
- Publication number
- CN212226664U CN212226664U CN202020594706.6U CN202020594706U CN212226664U CN 212226664 U CN212226664 U CN 212226664U CN 202020594706 U CN202020594706 U CN 202020594706U CN 212226664 U CN212226664 U CN 212226664U
- Authority
- CN
- China
- Prior art keywords
- sliding sleeve
- oil storage
- groove
- sleeve body
- front fork
- 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.)
- Expired - Fee Related
Links
- 238000013016 damping Methods 0.000 title abstract description 7
- 230000007704 transition Effects 0.000 claims description 13
- 230000035939 shock Effects 0.000 claims description 12
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 2
- 239000003921 oil Substances 0.000 abstract description 59
- 239000010687 lubricating oil Substances 0.000 abstract description 11
- 230000001174 ascending effect Effects 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 4
- 210000002421 cell wall Anatomy 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000009713 electroplating Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses an oil storage sliding sleeve for damping front fork relates to damping front fork accessory field. It includes the columniform sliding sleeve body, and both ends are the interior sliding chamber of opening form about having seted up in the axial of sliding sleeve body, have seted up a plurality of equidistant distribution on the outer circumference lateral wall of sliding sleeve body, and the same outer bar shape fixed slot of axial of extending direction and sliding sleeve body, set up the ascending oil storage tank in the slant that link up this circumference lateral wall on the circumference lateral wall of sliding sleeve body, the interior notch of oil storage tank with interior sliding chamber intercommunication, the outer notch of oil storage tank and the space intercommunication at the outer circumference lateral wall place of oil storage tank, the notch of oil storage tank along the groove edge on its length direction become an angle with the horizontal direction, the inslot wall of oil storage tank is becoming an angle along the cell wall on its notch depth direction with the horizontal direction. The utility model discloses can make lubricating oil be extruded in the oil storage tank, it can flow back to in the interior sliding chamber again under the action of gravity, has realized the reciprocating cycle of lubricating oil.
Description
Technical Field
The utility model relates to a damping front fork accessory field, concretely relates to oil storage sliding sleeve for damping front fork.
Background
The front fork is located in the front part of the bicycle structure, the upper end of the front fork is connected with a handlebar component, a frame component is matched with a front pipe, and the lower end of the front fork is matched with a front shaft component to form a guide system of the bicycle. The steering of the bicycle can be changed by rotating the handlebar and the front fork, and the steering function of the bicycle is achieved.
Current ordinary sliding sleeve does not have the oil storage tank, can lead to sliding sleeve and electroplate and do not have lubricating oil between the leg after using a period, causes the front fork elasticity not in the same direction as smooth, and abnormal sound and easy lead to the sliding sleeve wearing and tearing because of the friction during operation cause the connection position not coincide, appear the front fork card pause during the operation and even the front fork fracture, bring the potential safety hazard for riding.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects existing in the prior art, the utility model provides an oil storage sliding sleeve for damping front fork.
The utility model adopts the technical proposal that:
the utility model provides an oil storage sliding sleeve for shock attenuation front fork, includes the columniform sliding sleeve body, the sliding sleeve body has been seted up in the axial both ends are the interior sliding chamber of opening form, wherein, set up a plurality of equidistant distribution on the outer circumference lateral wall of sliding sleeve body, and the extending direction with the outer banding fixed slot that the axial of sliding sleeve body is the same, set up the ascending oil storage tank in slant that link up this circumference lateral wall on the circumference lateral wall of sliding sleeve body, the interior notch of oil storage tank with interior sliding chamber intercommunication, the outer notch of oil storage tank with the space intercommunication at the outer circumference lateral wall place of oil storage tank, the notch of oil storage tank is followed along the groove on its length direction and is become 20 ~ 90 jiaos with the horizontal direction, the cell wall of oil storage tank on its notch depth direction becomes 20 ~ 60 jiaos with the horizontal direction.
Further, the upper end of sliding sleeve body is in the week mouth shaping of the last accent of interior sliding cavity has outside extended annular step, the week mouth of the last accent of interior sliding cavity with the place that annular step links up is equipped with annular interior chamfer transition surface, the lower extreme of sliding sleeve body is in the outer side shaping of the week mouth of the lower accent of interior sliding cavity has annular outer chamfer transition surface.
Further, the upper end notch of outer bar-shaped fixed slot extends to the lower step face of annular step forms spacing bayonet socket in this department, the lower extreme notch of outer bar-shaped fixed slot extends to the lower extreme end edge of sliding sleeve body constitute to have grafting sliding entrance on the outer chamfer transition face.
Further, the outer peripheral edge of the annular step is a right-angle annular edge.
Furthermore, the number of the outer strip-shaped fixing grooves is six, and the number of the oil storage grooves formed in the circumferential side wall of the sliding sleeve body between the adjacent outer strip-shaped fixing grooves is three and is distributed vertically.
Further, the material of the sliding sleeve body is 304 stainless steel.
Furthermore, the groove edge of the groove opening of the oil storage groove along the length direction forms an angle of 40-70 degrees with the horizontal direction, and the groove wall of the inner wall of the oil storage groove along the depth direction of the groove opening forms an angle of 40-50 degrees with the horizontal direction.
Further, the groove opening of the oil storage groove forms an angle of 45 degrees with the horizontal direction along the groove edge in the length direction of the oil storage groove, and the groove wall of the inner wall of the oil storage groove forms an angle of 45 degrees with the horizontal direction along the groove opening depth direction.
The utility model has the advantages that: the utility model discloses a set up the channel direction on the sliding sleeve and be ascending oil storage tank in the slant, when making electroplating leg work in the sliding sleeve, lubricating oil can be extruded to the oil storage tank in, electroplating the leg when reseing, lubricating oil in the oil storage tank naturally flows back the chamber wall surface of the interior sliding chamber of sliding sleeve under the action of gravity, the realization is gone into to the lubricating oil natural pump in the internal sliding chamber, it is lubricated to the mechanical part realization of activity, thereby reach reciprocating circulation's effect, sliding sleeve and front fork shock attenuation equipment's life has been increased, greatly reduced potential safety hazard of riding.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a bottom view of the lower end of the present invention;
fig. 3 is a front view of the present invention;
fig. 4 is a cross-sectional view of the present invention at the position corresponding to the outer strip-shaped fixing groove;
fig. 5 is a cross-sectional view of the present invention at the corresponding oil reservoir.
In the figure:
1. a sliding sleeve body; 11. an inner slide cavity; 111. an inner chamfer transition surface; 112. an outer chamfer transition surface; 12. an oil storage tank; 13. an outer strip-shaped fixing groove; 131. a limiting bayonet; 132. a plug-in sliding inlet; 14. an annular step; 141. a right angle annular edge.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail:
referring to fig. 1-3, as shown in the figures, an oil storing sliding sleeve for a shock absorbing front fork according to an embodiment of the present invention includes a cylindrical sliding sleeve body 1, and an inner sliding cavity 11 having an open upper end and a open lower end is axially formed in the sliding sleeve body 1. Wherein, as the utility model discloses an improve, set up a plurality of equidistant distribution on the outer circumference lateral wall of this sliding sleeve body 1, and the extending direction with the same outer strip shape fixed slot 13 of sliding sleeve body 1's axial. Meanwhile, an oil storage tank 12 penetrating through the circumferential side wall is formed in the circumferential side wall of the sliding sleeve body 1, an inner notch of the oil storage tank 12 is communicated with the inner sliding cavity 11, and an outer notch of the oil storage tank 12 is communicated with a space where the outer circumferential side wall of the oil storage tank 12 is located. As shown in fig. 5, the channel of the oil reservoir 12 extends obliquely upward, i.e., the inner opening of the oil reservoir 12 faces the lower end, and the outer opening of the oil reservoir 12 faces the upper end. As shown in fig. 5, the groove opening of the oil reservoir 12 forms an angle α of 20 ° to 90 ° with the horizontal direction along the groove edge in the longitudinal direction thereof, and the groove wall of the inner wall of the oil reservoir 12 forms an angle β of 20 ° to 60 ° with the horizontal direction along the groove wall in the groove opening depth direction thereof. In operation, the lubricant is squeezed into the oil storage tank 12, and since the amount of the lubricant is small and the channel of the oil storage tank 12 has a certain capacity, the outer slot of the channel is inclined upward to further increase the volume of the oil storage tank 12, the lubricant squeezed into the oil storage tank 12 does not overflow from the outer slot of the oil storage tank 12, but stays in the oil storage tank 12 with the channel inclined upward. When the electroplating leg is reset, the lubricating oil in the oil storage tank 12 naturally flows back to the wall surface of the inner sliding cavity 11 of the sliding sleeve under the action of gravity, so that the retaining and reciprocating lubricating action of the lubricating oil in the oil storage sliding sleeve is formed.
Referring to fig. 2, as shown in the drawings, in some preferred embodiments, the upper end of the sliding sleeve body 1 is formed with an annular step 14 extending outward at the peripheral opening of the upper opening of the inner sliding cavity 11, and the peripheral opening of the upper opening of the inner sliding cavity 11 is provided with an annular inner chamfer transition surface 111 at the position where the peripheral opening is engaged with the annular step 14. The lower end of the sliding sleeve body 1 is formed with an annular outer chamfer transition surface 112 on the outer ring side of the periphery of the lower cavity of the inner sliding cavity 11. When the oil seal is configured and used, oil seals are arranged at the inner chamfer transition surface 111 and the outer chamfer transition surface 112.
Referring to fig. 4, in some preferred embodiments, as shown in the drawings, the upper end notch of the outer strip-shaped fixing groove 13 extends to the lower step surface of the annular step 14, where a limit bayonet 131 is formed. The lower end notch of the outer strip-shaped fixing groove 13 extends to the lower end edge of the sliding sleeve body 1, and an insertion sliding opening 132 is formed on the outer chamfer transition surface 112. During assembly, the outer strip-shaped fixing groove 13 is fixedly connected with the fork tube of the front fork to prevent relative rotation, the limiting bayonet 131 fixes the upper and lower relative positions of the fork tube to prevent the fork tube from moving up and down, and the inner wall of the fork tube is tightly attached to the outer circumferential wall of the sliding sleeve body 1.
Referring to fig. 1 and 2, in some preferred embodiments, as shown in the drawings, the number of the outer strip-shaped fixing grooves 13 is six, and between adjacent outer strip-shaped fixing grooves 13, the number of the oil storage grooves 12 formed in the circumferential side wall of the sliding sleeve body 1 is three, and the oil storage grooves are distributed up and down. In order to better fix the sliding sleeve body 1 in the fork tube, the outer peripheral edge of the annular step 14 is a right-angled annular edge 141, which provides a larger area of connecting support for the upper step surface of the annular step 14. As the preferred embodiment of the utility model, the sliding sleeve body 1 is made of 304 stainless steel.
In some embodiments, the groove opening of the oil reservoir 12 is at an angle α of 40 ° to 70 ° to the horizontal along the groove edge in the length direction thereof, and the groove wall of the inner wall of the oil reservoir 12 is at an angle β of 40 ° to 50 ° to the horizontal along the groove wall in the depth direction of the groove opening thereof.
In the preferred embodiment of the present invention, the groove opening of the oil reservoir 12 is at an angle α of 45 ° to the horizontal along the groove in the length direction thereof, and the groove wall of the inner groove wall of the oil reservoir 12 is at an angle β of 45 ° to the horizontal along the groove wall in the depth direction of the groove opening thereof.
The utility model discloses a set up the channel on the sliding sleeve and be oblique ascending oil storage tank, when making electroplating leg work in the sliding sleeve, lubricating oil can be extruded to the oil storage tank in, electroplating the leg when reseing, lubricating oil in the oil storage tank naturally flows back the chamber wall surface of the interior sliding cavity of sliding sleeve under the action of gravity, realize the lubricating oil natural pump income to the internal sliding cavity, realize lubricating to the mechanical part of activity, thereby reach reciprocating circulation's effect, sliding sleeve and front fork shock attenuation equipment's life has been increased, greatly reduced potential safety hazard of riding.
The basic principles, main features and advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, but only by the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed, and the scope of the invention is defined by the appended claims and their equivalents.
Claims (8)
1. An oil storage sliding sleeve for a shock absorption front fork comprises a cylindrical sliding sleeve body (1), wherein an inner sliding cavity (11) with open upper and lower ends is formed in the axial direction of the sliding sleeve body (1), and is characterized in that a plurality of outer strip-shaped fixing grooves (13) which are distributed at equal intervals and have the same extension direction as the axial direction of the sliding sleeve body (1) are formed in the outer circumferential side wall of the sliding sleeve body (1), an oblique and upward oil storage groove (12) penetrating through the circumferential side wall is formed in the circumferential side wall of the sliding sleeve body (1), an inner notch of the oil storage groove (12) is communicated with the inner sliding cavity (11), an outer notch of the oil storage groove (12) is communicated with a space where the outer circumferential side wall of the oil storage groove (12) is located, and an angle of 20-90 degrees is formed between the notch of the oil storage groove (12) and the horizontal direction along the groove in the length direction, the groove wall of the inner wall of the oil storage groove (12) along the depth direction of the groove opening forms an angle of 20-60 degrees with the horizontal direction.
2. The oil storage sliding sleeve for the shock absorption front fork as recited in claim 1, wherein the upper end of the sliding sleeve body (1) is formed with an outwardly extending annular step (14) at the periphery of the upper opening of the inner sliding cavity (11), an annular inner chamfer transition surface (111) is arranged at the position where the annular step (14) is connected with the periphery of the upper opening of the inner sliding cavity (11), and an annular outer chamfer transition surface (112) is formed at the periphery of the lower opening of the inner sliding cavity (11) at the lower end of the sliding sleeve body (1).
3. The oil storage sliding sleeve for the shock absorbing front fork as recited in claim 2, wherein the upper end notch of the outer strip-shaped fixing groove (13) extends to the lower step surface of the annular step (14) to form a limit bayonet (131), the lower end notch of the outer strip-shaped fixing groove (13) extends to the lower end edge of the sliding sleeve body (1), and the insertion sliding inlet (132) is formed on the outer chamfer transition surface (112).
4. The oil storage sliding sleeve for the shock absorbing front fork according to claim 2 or 3, wherein the outer circumferential edge of the annular step (14) is a right-angled annular edge (141).
5. The oil storing sliding sleeve for a shock absorbing front fork as set forth in claim 1, wherein the number of the outer strip fixing grooves (13) is six, and the number of the oil storing grooves (12) of the circumferential side wall formed on the circumferential side wall of the sliding sleeve body (1) between the adjacent outer strip fixing grooves (13) is three, and they are distributed up and down.
6. The oil storage sliding sleeve for the shock absorbing front fork as recited in claim 1, wherein the material of the sliding sleeve body (1) is 304 stainless steel.
7. The oil storing sliding bush for a shock absorbing front fork as set forth in claim 1, wherein the notch of said oil storing groove (12) is at an angle of 40 ° to 70 ° to the horizontal along the groove in the length direction thereof, and the groove wall of the inner wall of said oil storing groove (12) is at an angle of 40 ° to 50 ° to the horizontal along the groove depth direction thereof.
8. The oil storing sliding bush for a shock absorbing front fork according to claim 1 or 7, wherein the notch of the oil storing groove (12) is at an angle of 45 ° to the horizontal along the groove in the length direction thereof, and the groove wall of the inner groove wall of the oil storing groove (12) is at an angle of 45 ° to the horizontal along the groove depth direction thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020594706.6U CN212226664U (en) | 2020-04-17 | 2020-04-17 | Oil storage sliding sleeve for damping front fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020594706.6U CN212226664U (en) | 2020-04-17 | 2020-04-17 | Oil storage sliding sleeve for damping front fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212226664U true CN212226664U (en) | 2020-12-25 |
Family
ID=73908204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020594706.6U Expired - Fee Related CN212226664U (en) | 2020-04-17 | 2020-04-17 | Oil storage sliding sleeve for damping front fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212226664U (en) |
-
2020
- 2020-04-17 CN CN202020594706.6U patent/CN212226664U/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: 20201225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |