CN204300219U - A kind of inversion type front damping device for motorcycle - Google Patents
A kind of inversion type front damping device for motorcycle Download PDFInfo
- Publication number
- CN204300219U CN204300219U CN201420710661.9U CN201420710661U CN204300219U CN 204300219 U CN204300219 U CN 204300219U CN 201420710661 U CN201420710661 U CN 201420710661U CN 204300219 U CN204300219 U CN 204300219U
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- working cylinder
- cylinder
- damping device
- breeches pipe
- damper working
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Abstract
The utility model provides a kind of inversion type front damping device for motorcycle, and comprise on sleeve, sleeve and be fixed on end cap, lower end is set in outside breeches pipe, and formed with breeches pipe and be slidably matched, breeches pipe lower end is connected in end cylinder; End cap central position connects connecting rod, and connecting rod through guide holder, is connected with the piston body in damper working cylinder from top to bottom; The lower end of damper working cylinder is connected with end cylinder; Damper working cylinder lower end is connected with end cylinder by monoblock type plug, and monoblock type plug is the syllogic multidiameter that increases successively of diameter from top to bottom, and damper working cylinder is socketed in first paragraph axle outer wall; Breeches pipe is socketed in second segment axle outer wall, and end jacket casing is connected on the 3rd section of axle outer wall; Damper working cylinder sidewall between guide holder and piston body is provided with outage.This monoblock type plug connects the axiality that well can ensure damper working cylinder and breeches pipe endoporus, thus ensures that therefore damper can not produce abnormal sound; Can ensure that recovery damping force is stabilized within the fluctuation range of requirement simultaneously.
Description
Technical field
The utility model relates to motorcycle damping device field, particularly relates to a kind of inversion type inversion type front damping device for motorcycle.
Background technology
The application of inversion type front buffer gear in motorcycle in motorcycle is very general, and it plays supporting vehicle body, transmitting tractive power, and the safety travelled with vehicle is closely bound up; It is again the quality of performance part, damping effect simultaneously, also can have an impact to the comfort of driver and crew.Front damping device is divided into again positively fixed type damping device and inversion type damping device by the installation direction of breeches pipe, and existing inversion shock absorber generally comprises end cylinder, breeches pipe, sleeve, connecting rod, piston and damper working cylinder, although the inversion shock absorber of this structure can play damping effect, be connected with split type monoblock type plug because damper working cylinder and breeches pipe adopt, i.e. two parts connection damper working cylinder and breeches pipe respectively, then these two component combinations together, split type monoblock type plug parts have the form and position tolerance of different size after machine adds, so be difficult to ensure damper working cylinder be connected with breeches pipe after axiality, cause in shock absorbing process, the easy damper working cylinder of damping spring collides, produce abnormal sound, easy damage, simultaneously, complex structure, efficiency of assembling is low, manufacturing cost is high, simultaneously, when connecting rod moves upward, now, piston valve is rushed to open upwards, and because damper working cylinder peripheral space is filled with oil, and in working cylinder, seal is formed with vacuum, the oil of working cylinder exocoel is difficult to enter into inner chamber immediately by normal open hole on valve block and bottom valve sheet, cause damper long duration undamped, comfortableness is poor, and recovery damping force portion stablizes.
Utility model content
The shortcoming of prior art in view of the above, in order to solve the problems of the prior art.The utility model provides the utility model to provide a kind of inversion type front damping device for motorcycle, and comprise and sleeve, described sleeve are fixed on end cap, lower end is set in outside breeches pipe, and formed with breeches pipe and be slidably matched, breeches pipe lower end is connected in end cylinder; Described end cap central position connects connecting rod, and connecting rod through guide holder, is connected with the piston body in damper working cylinder from top to bottom; The lower end of described damper working cylinder is connected with end cylinder; Described damper working cylinder lower end is connected with end cylinder by monoblock type plug, and described monoblock type plug is the syllogic multidiameter that increases successively of diameter from top to bottom, and described damper working cylinder is socketed in first paragraph axle outer wall; Described breeches pipe is socketed in second segment axle outer wall, and jacket casing of the described end is connected on the 3rd section of axle outer wall; Damper working cylinder sidewall between described guide holder and piston body is provided with outage.This monoblock type plug connects the axiality that well can ensure damper working cylinder and breeches pipe endoporus, thus ensures that therefore damper can not produce abnormal sound.Assemble simpler, production efficiency is higher simultaneously.
Further, center, described monoblock type plug upper surface is provided with bolt hole, is connected successively by the foot valve seat of bolt and the lower end of described damper working cylinder, bottom spring sheet, bottom valve sheet and bottom valve body; Bottom valve body offers end through hole, bottom valve sheet offers end damping hole.
Further, center, described monoblock type plug lower surface is provided with bolt hole, is bolted on cylinder of the described end.Ensure monoblock type plug and end cylinder stable connection, axis and radial deflection can not be produced.
Further, the lateral surface of described first paragraph axle is provided with annular groove.Form a non-removable entirety with after the roll extrusion of damper working cylinder, ensure that damper working cylinder operationally can not produce axis and radial deflection, rock.
Further, the arranged outside of described second segment axle has external screw thread, is directly connected with described breeches pipe internal thread.This connected mode, can make the connection of monoblock type plug and breeches pipe more firm.
Further, the arranged outside of described second segment axle has peripheral groove, is provided with oil seal ring in groove.Prevent damping oil from revealing.
Further, valve seat, spring leaf, valve block and described piston body are assemblied on described connecting rod successively, and are connected and fixed by self-locking nut; Piston offers valve block described in through hole and offer damping hole.
Further, described piston body cylindrical is provided with piston ring.Play seal shock-proof oil.
Further, described piston ring adopts polyformaldehyde to make.Can reduce costs.
As mentioned above, motorcycle inverted front damper of the present utility model, has following beneficial effect:
Owing to adopting, damper working cylinder is connected by monoblock type plug with breeches pipe, this monoblock type plug connects the axiality that well can ensure damper working cylinder and breeches pipe endoporus, thus ensureing that therefore damper can not produce abnormal sound, assembling is simpler, and production efficiency is higher; Due to adopt damper working cylinder cylinder body on add outage, so both ensure that when damper works, the oil of the outside oil pocket of damper working cylinder can enter into internal high pressure oil pocket smoothly fast, in turn ensure that recovery damping force is stabilized within the fluctuation range of requirement.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the enlarged drawing of A in Fig. 1.
Fig. 3 is the structural representation of monoblock type plug in the utility model embodiment.
Piece mark explanation
1, sleeve; 2, breeches pipe; 3, end cap; 4, end cylinder; 5, connecting rod; 6, damper working cylinder; 7, piston body; 8, monoblock type plug; 9, outage; 10, guide holder; 11, peripheral groove; 12, valve seat; 13, spring leaf; 14, valve block; 15, through hole; 16, damping hole; 17 bottom valve bodies; 18, bottom valve sheet; 19, bottom spring sheet; 20, foot valve seat; 21, end through hole; 22, end damping hole; 23, piston ring; 24, annular groove; 25, self-locking nut; 26, damping spring; 81, first paragraph axle; 82, second segment axle; 83, the 3rd section of axle.
Detailed description of the invention
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present utility model and effect easily.
In order to can the utility model be described in detail, first, inversion type front damping device for motorcycle of the present utility model is illustrated:
Fig. 1 is the structural representation of the utility model embodiment, the utility model provides a kind of inversion type front damping device for motorcycle, and comprise on sleeve 1, described sleeve and be fixed on end cap 3, lower end is set in outside breeches pipe 2, formed with breeches pipe and be slidably matched, breeches pipe lower end is connected in end cylinder 4; Described end cap 3 center connects connecting rod 5, and connecting rod 5 through guide holder 10, is connected with the piston body 7 of damper working cylinder 6 li from top to bottom; The lower end of described damper working cylinder 6 is connected with end cylinder 4; It is characterized in that: described damper working cylinder 6 lower end is connected with end cylinder 4 by monoblock type plug 8, described monoblock type plug 8 is the syllogic multidiameter that increases successively of diameter from top to bottom, and described damper working cylinder 6 is socketed in first paragraph axle 81 outer wall; Described breeches pipe 2 is socketed in second segment axle 82 outer wall, and cylinder of the described end 4 is socketed in the 3rd section of axle 83 outer wall; Damper working cylinder 6 sidewall between described guide holder 14 and piston body 7 is provided with outage 9.Ensure that damper working cylinder 6 and breeches pipe 2 moment keep coaxial relation.
Wherein, center, described monoblock type plug 8 upper surface is provided with bolt hole, is connected successively by the foot valve seat 20 of bolt and the lower end of described damper working cylinder 6, bottom spring sheet 19, bottom valve sheet 18 and bottom valve body 17; Bottom valve body 17 offers end through hole 21, bottom valve sheet offers end damping hole 22.Ensure piston and monoblock type plug 8 stable connection, axis and radial deflection can not be produced.
Wherein, center, described monoblock type plug 8 lower surface is provided with bolt hole, is bolted on cylinder of the described end 4.Ensure monoblock type plug 8 and end cylinder 4 stable connection, axis and radial deflection can not be produced.
Wherein, the lateral surface of described monoblock type plug epimere 81 is provided with annular groove 24.A non-removable entirety is formed with after damper working cylinder 6 roll extrusion.Ensure that damper working cylinder operationally can not produce axis and radial deflection, rock.
Wherein, the arranged outside in described monoblock type plug stage casing 82 has external screw thread, is directly connected with described breeches pipe 2 internal thread.This connected mode, can make the connection of monoblock type plug and breeches pipe more firm.
Wherein, the arranged outside in described monoblock type plug stage casing 82 has peripheral groove 11, is provided with oil seal ring in groove.Prevent damping oil from revealing.
Wherein, valve seat 12, spring leaf 13, valve block 14 and described piston body 7 are assemblied on described connecting rod successively, are fixed by Self-locking screw; Piston offers valve block 14 described in through hole 15 and offer damping hole 16.
Wherein, described piston body 7 cylindrical is provided with piston ring 23.Mainly play seal shock-proof oil.
Wherein, described piston ring 23 adopts polyformaldehyde to make.Tradition front damper piston ring adopts polytetrafluoroethylene (PTFE), and cost is very high.The utility model adopts polyformaldehyde to substitute the material that polytetrafluoroethylene (PTFE) does piston ring, and do not affect the result of use of damper after change, polyformaldehyde makes simple, and wear-resistance and oil-resistance again, can meet the needs in front damper driving process completely, and reduce cost.
Operation principle of the present utility model is: because monoblock type plug 8 is the syllogic multidiameter that increases successively of diameter from top to bottom, the damper working cylinder being socketed in first paragraph axle 81 outer wall can be ensured, the end cylinder being socketed in the breeches pipe on second segment axle outer wall and being socketed on the 3rd section of axle 83 outer wall, under any circumstance all coaxial; When motorcycle is in rough road traveling, when damper constantly pumps, damping spring 26 is also thereupon constantly reciprocating, now damping spring 26 constantly imports or derives damper working cylinder 6, because monoblock type plug 8 ensure that the axiality of damper working cylinder 6 and breeches pipe 2 endoporus well, namely ensure that the axiality of damper working cylinder 6 and breeches pipe 2 endoporus, can not impact damper working cylinder 6 and produce metal strike sound when damping spring 26 imports damper working cylinder 6, thus avoid damper generation abnormal sound.
Damper constantly pumps and plays cushioning effect, connecting rod 5 is also thereupon constantly reciprocating up and down, when connecting rod 5 moves upward, damping working cylinder 6 is divided into two cavitys by piston body 7, piston body 7 is to being high-voltage oil cavity to guide bracket 10, piston body 7 on earth valve body 17 is low pressure oil pocket, the oil of high-voltage oil cavity flows to low pressure oil pocket by the damping hole 16 on valve block 14, orifice restriction produces recovery damping force, simultaneously between damper working cylinder 6 external circle to front fork tube 2 endoporus, the oil of oil pocket enters into low pressure oil pocket by the end through hole 21 on bottom valve body 17 and carries out oil mass compensation, simultaneously, oil in high-voltage oil cavity flow in the oil pocket between damping working cylinder 6 cylindrical to front fork tube 2 endoporus by outage 9, so both ensure that the oil of the outside oil pocket of damper working cylinder 6 can enter into high-voltage oil cavity smoothly fast, in turn ensure that recovery damping force is stabilized within the fluctuation range of requirement.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (9)
1. an inversion type front damping device for motorcycle, comprising on sleeve (1), described sleeve is fixed on end cap (3), lower end is set in breeches pipe (2) outward, is formed be slidably matched with breeches pipe, and breeches pipe lower end is connected in end cylinder (4); Described end cap (3) center connects connecting rod (5), and connecting rod (5) is from top to bottom through guide holder (10), and the piston body (7) inner with damper working cylinder (6) is connected; The lower end of described damper working cylinder (6) is connected with end cylinder (4); It is characterized in that: described damper working cylinder (6) lower end is connected with end cylinder (4) by monoblock type plug (8), described monoblock type plug (8) is the syllogic multidiameter that increases successively of diameter from top to bottom, and described damper working cylinder (6) is socketed in first paragraph axle (81) outer wall; Described breeches pipe (2) is socketed in second segment axle (82) outer wall, and cylinder of the described end (4) is socketed in the 3rd section of axle (83) outer wall; Damper working cylinder (6) sidewall between described guide holder (10) and piston body (7) is provided with outage (9).
2. a kind of inversion type front damping device for motorcycle according to claim 1, it is characterized in that: described monoblock type plug (8) center, upper surface is provided with bolt hole, be connected successively by the foot valve seat (20) of bolt and the lower end of described damper working cylinder (6), bottom spring sheet (19), bottom valve sheet (18) and bottom valve body (17); Bottom valve body (17) offers end through hole (21), bottom valve sheet offers end damping hole (22).
3. a kind of inversion type front damping device for motorcycle according to claim 1, is characterized in that: described monoblock type plug (8) center, lower surface is provided with bolt hole, is bolted on cylinder of the described end (4).
4. a kind of inversion type front damping device for motorcycle according to claim 1, is characterized in that: the lateral surface of described first paragraph axle (81) is provided with annular groove (24).
5. a kind of inversion type front damping device for motorcycle according to claim 1, is characterized in that: the arranged outside of described second segment axle (82) has external screw thread, is directly connected with described breeches pipe (2) internal thread.
6. a kind of inversion type front damping device for motorcycle according to claim 1, is characterized in that: the arranged outside of described second segment axle (82) has peripheral groove (11), is provided with oil seal ring in groove.
7. a kind of inversion type front damping device for motorcycle according to claim 1, it is characterized in that: valve seat (12), spring leaf (13), valve block (14) and described piston body (7) are assemblied on described connecting rod successively, and be connected and fixed by self-locking nut (25); Piston offers through hole (15) described valve block (14) and offer damping hole (16).
8. a kind of inversion type front damping device for motorcycle according to claim 1, is characterized in that: described piston body (7) cylindrical is provided with piston ring (23).
9. a kind of inversion type front damping device for motorcycle according to claim 8, is characterized in that: described piston ring (23) adopts polyformaldehyde to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420710661.9U CN204300219U (en) | 2014-11-24 | 2014-11-24 | A kind of inversion type front damping device for motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420710661.9U CN204300219U (en) | 2014-11-24 | 2014-11-24 | A kind of inversion type front damping device for motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204300219U true CN204300219U (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420710661.9U Expired - Fee Related CN204300219U (en) | 2014-11-24 | 2014-11-24 | A kind of inversion type front damping device for motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204300219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455184A (en) * | 2014-11-24 | 2015-03-25 | 重庆市亮影工贸有限公司 | Motorcycle inversed type front damper |
-
2014
- 2014-11-24 CN CN201420710661.9U patent/CN204300219U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455184A (en) * | 2014-11-24 | 2015-03-25 | 重庆市亮影工贸有限公司 | Motorcycle inversed type front damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20151124 |