CN209096902U - Chain stay after a kind of - Google Patents
Chain stay after a kind of Download PDFInfo
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- CN209096902U CN209096902U CN201821485678.3U CN201821485678U CN209096902U CN 209096902 U CN209096902 U CN 209096902U CN 201821485678 U CN201821485678 U CN 201821485678U CN 209096902 U CN209096902 U CN 209096902U
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- connecting tube
- fixedly connected
- screw rod
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Abstract
The utility model discloses a kind of rear chain stays, belong to technical field of a vehicle accessory；Its key points of the technical solution are that including the protective device on side chain adapter tube, protective device includes the protective plate detachably linked with connecting tube；Protective plate includes fixed plate and expansion plate, and the upper end of fixed plate and connecting tube detachably link, and the lower end of fixed plate opens up fluted, and the upper end of expansion plate is plugged in groove, and can be slided up and down in groove；The utility model solves the problems, such as that single protective frame can not well protect chain, has been reached by protective plate and has been protected chain, increases the effect of chain service life.
Description
Technical field
The utility model relates to technical field of a vehicle accessory, more specifically, it is related to a kind of rear chain stay.
Background technique
As urban traffic pressure increases, two-wheel power vehicle is influenced small feature by traffic pressure with it and is increasingly becoming people
The first choice of short distance trip, two-wheel power vehicle include motorcycle, electric vehicle, moped etc., especially electric vehicle, green ring
The characteristic of guarantor is favored by people, while people also have higher requirement the design of electric vehicle.Rear bottom fork of electric vehicle is electricity
The important component of motor-car framework is mainly used for that rear wheels of electric vehicle axis is fixed with vehicle frame.
It can refer to the Chinese utility model patent that Authorization Notice No. is CN204279812U now, it discloses a kind of improvement
The motorcycle rear fork of structure includes rear chain stay ontology, and the rear chain stay ontology includes left back chain stay part and puts down after right
Chain stay part has been respectively arranged below protection frame body behind fork point, the left back chain stay part and the right side.The utility model passes through
Increase torque arm protection frame body in rear chain stay and chain protects frame body, the safety used, and integral structure can be increased
Simply, manufacture is easy, at low cost, has preferable economic benefit.
Chain protective frame in above-mentioned technology is that simple two cylinders are constituted, be merely able to prevent the clothing of cyclist and
Chain contact prevents clothes dirty, can not play the role of protection to chain, during electric vehicle travels, splashing
Soil and foreign matter can and chain contact or even foreign matter can be stuck on chain, cause the fracture of chain, lead to chain uses the longevity
Life reduces.
Utility model content
In view of the deficienciess of the prior art, passing through protection the purpose of this utility model is to provide a kind of rear chain stay
Plate can preferably protect chain, realize the purpose for increasing chain service life.
To achieve the above object, the utility model provides following technical solution: chain stay after a kind of, including two connecting tubes
And the connecting plate between two connecting tubes, the both ends of connecting plate are fixedly connected with two connecting tubes respectively；It further include setting
Protective device in the connecting tube of side, protective device include the protective plate being detachably connected with connecting tube；
Protective plate includes fixed plate and expansion plate, and the upper end of fixed plate and connecting tube are detachably connected, under fixed plate
End opens up fluted, and the upper end of expansion plate is plugged in groove, and can be slided up and down in groove.
By using above-mentioned technical proposal, conventional protective frame is that several cylinders are constituted, and there are great gaps, cannot
It is enough that chain is preferably protected, and fixed plate and expansion plate is plate-like preferably to be protected to chain, and stretch
Plate can stretch, so that sliding extension plate can increase or decrease the protection plate suqare of protective plate, make the use of protective plate more
It is convenient, and the scope of application of protective plate can be increased.
The utility model is further arranged to: the connecting tube lower surface is fixedly connected with transverse slat, and the length of transverse slat and
The length direction of connecting tube is identical；
The lower surface of transverse slat is fixedly connected with multiple fixed blocks, and multiple fixation holes are offered on fixed block；
The upper end of fixed plate offers multiple mounting holes, and bolt is plugged in mounting hole, and the end of bolt passes through mounting hole
And fixation hole, the first nut is threaded on the end of bolt, the first nut is bonded on the surface of word fixed block.
By using above-mentioned technical proposal, compared to now common protective stent, fixed plate is bolted to connection
In connecting tube, protective plate is enable to dismantle, when overhauling electric vehicle, common protective stent can not be dismantled, to the mistake of maintenance
Journey impacts, and protective plate can disassemble, and electric vehicle convenient to overhaul improves the efficiency of maintenance.
The utility model is further arranged to: the mounting hole is strip.
By using above-mentioned technical proposal, if mounting hole is strip, after fixed plate is mounted in connecting tube, Gu
The position of fixed board is fixed, if transverse slat, when being fixed in connecting tube, fixed inaccuracy, then fixed plate is installed
Position will inaccuracy, cause protective plate and electric vehicle remaining component to interfere；The fixation hole of strip makes fixed plate exist
It can be according to circumstances adjusted when installation, prevent remaining components on protective plate and electric vehicle from interfering.
The utility model is further arranged to: the through-hole that multiple and groove communicates is offered on the fixed plate side wall, and
Through-hole is located at fixed plate far from the side wall of connecting plate；
Through-hole internal screw thread is connected to screw rod, and one end of screw rod is abutted to be connected on the side wall of expansion plate in groove, screw rod
Other end protrude through-hole, and screw rod protrusion part on be fixedly connected with the second nut.
By using above-mentioned technical proposal, the second nut is rotated, because the second nut is fixedly connected on screw rod, the
Two nuts are able to drive screw rod rotation, because connecting with through hole whorl while screw rod rotates, screw rod can be transported into through-hole
It is dynamic, and the end of screw rod can be connected on expansion plate, continue to rotate screw rod, make screw rod being connected on expansion plate tightly, thus
Make to realize the fixation of expansion plate in expansion plate anchor grain, only need to invert screw rod when adjusting, it can be conveniently
Expansion plate is adjusted, the efficiency for adjusting expansion plate is improved.
The utility model is further arranged to: bracket is fixedly connected in the connecting tube, and bracket is ship type, bracket
Both ends are fixedly connected with connecting tube, and bracket and fixed plate are detachably connected.
By using above-mentioned technical proposal, size is larger in protective plate short transverse, so protective plate is being easy to happen rolling
Dynamic, the connection that will lead to fixed plate and connecting tube after overlong time is unstable, even results in fixed plate and is detached from from connecting tube,
Influence the use of protective plate；Bracket is fixedly connected with connecting tube, and bracket and the washable connection of fixed plate, can be risen to fixed plate
To the effect of support, fixed plate is prevented to be detached from from connecting tube, increases the stability that protective plate uses.
The utility model is further arranged to: strip hole is offered on the part of the support level, screw rod is far from flexible
One end of plate passes through strip hole and protrusion strip hole；
It is threaded with third nut on the part of screw rod protrusion strip hole, third nut is fitted on the side wall of bracket.
It is general also to need that fixed device is arranged by using above-mentioned technical proposal, so that fixed plate and bracket is connected to one
It rises, strip hole is made to be aligned screw rod, screw rod passes through strip hole, and screw flight is connected with third nut, and turning third nut makes third
Nut is fitted on bracket, and pushes cradle fits on the second nut, so that bracket and fixed plate be made to link together, is not required to
Additional fixation device is wanted, it is convenient and efficient.
The utility model is further arranged to: the expansion plate lower end is fixedly connected with horizontal baffle, and expansion plate is to leaning on
The rectangular extension of nearly connecting plate.
By using above-mentioned technical proposal, expansion plate and fixed plate are merely able to first protect from side to chain, still
During electric vehicle travels, the soil splashed can be splashed on chain from below；So horizontal baffle can prevent soil
It is splashed on chain from below, baffle and fixed plate and expansion plate cooperate, and more preferably more comprehensive can protect to chain
Shield.
The utility model is further arranged to: multiple vertical installations are offered on the expansion plate side wall above the baffle
Slot, and mounting groove is semicircle, the top surface and ground of mounting groove offer circular hole；
Guide wheel is installed, the upper and lower ends of guide wheel are fixedly connected to shaft, and shaft is in circular hole, and turn in mounting groove
Axis can rotate in circular hole along the center of circle of itself.
By using above-mentioned technical proposal, chain is in above baffle and the side of expansion plate, is easy accumulation on baffle
Sundries, and sundries accumulation it is excessive when, can between chain and expansion plate and chain generate frictional force, influence the movement of chain,
Expansion plate is equipped with guide wheel, and chain and guide wheel collectively form feeding structure, when generating frictional force between sundries and chain, sundries
It can be seen off under the collective effect of guide wheel and chain, meeting nature falls after sundries is carried over baffle, to prevent sundries to chain
Movement impact.
In conclusion the utility model has the advantages that compared with the prior art
1. protective plate includes fixed plate and expansion plate, expansion plate lower end is fixedly connected with horizontal baffle, fixed plate and stretches
The cooperation of contracting plate and baffle can more preferably more fully protect chain, increase the service life of chain；
2. being fixedly connected with the bracket of ship type in connecting tube, bracket and fixed plate are linked together by screw rod, and screw rod
Also it is fixed on baffle in groove, screw rod plays two different effects, reduces cost, and operate more convenient.
Detailed description of the invention
Fig. 1 is the overall structure figure of embodiment；
Fig. 2 is the structure chart that bracket is highlighted in embodiment；
Fig. 3 is the cross-sectional view that your structure of protective plate is highlighted in embodiment；
Fig. 4 is the structure chart that baffle position is highlighted in embodiment.
In figure: 1, connecting tube；11, transverse slat；12, fixed block；13, fixation hole；2, connecting plate；3, protective plate；31, fixed
Plate；32, expansion plate；33, groove；34, mounting hole；35, bolt；351, the first nut；36, through-hole；37, baffle；38, it installs
Slot；381, circular hole；39, guide wheel；391, shaft；4, bracket；41, strip hole；42, screw rod；43, the second nut；44, third spiral shell
It is female.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment: chain stay after a kind of, as shown in Figure 1, including the connecting tube 1 of two parallel settings, being set to two connections
Connecting plate 2 between pipe 1 and the protective plate 3 in a connecting tube 1, protective plate 3 are located in the connection of chain side
On pipe 1；The both ends distribution of connecting plate 2 is fixedly connected with two connecting tubes 1；Flat rear fork when in use, by electric vehicle motorcycle etc.
Rear-wheel be mounted on vehicle frame, protective plate 3 is located at the side of chain, can chain be blocked and be protected, not needed
Additional installation chain box, it is convenient and efficient.
As shown in Figures 2 and 3, protective plate 3 includes fixed plate 31 and expansion plate 32 in connecting tube 1；Fixed plate
31 upper end and connecting tube 1 are detachably connected, and the lower end of fixed plate 31 opens up fluted 33, and 32 upper end of expansion plate is in groove 33
It is interior, and expansion plate 32 can slide up and down in groove 33；It is fixedly connected with transverse slat 11 on the table of connecting tube 1, and transverse slat 11
Length direction is identical with the length direction of connecting tube 1, and transverse slat 11 is located at the lower section of connecting tube 1；The lower surface of transverse slat 11 is fixed to be connected
Multiple fixed blocks 12 are connected to, offer fixation hole 13 on fixed block 12；The upper end of fixed plate 31 offers the peace of multiple strips
Fill hole 34；Bolt 35 is plugged in mounting hole 34, the lower end of bolt 35 passes through fixation hole 13 and protrusion fixation hole 13, bolt 35 are convex
The first nut 351 is threaded on the part of fixation hole 13 out, the first nut 351 is fitted on the surface of fixed block 12；It stretches
Contracting plate 32 can slide in groove 33, then expansion plate 32 can why plus protective plate 3 it is vertical on length, and then can make to protect
Plate 3 uses different types of electric vehicle or motorcycle；The mounting hole 34 of strip make protective plate 3 install when can according to need into
Row adjustment, makes the more convenient to use of protective plate 3.
As shown in Figures 2 and 3, bracket 4 is also fixedly connected in connecting tube 1, bracket 4 is ship type, and the both ends of bracket 4 are fixed
It is connected in connecting tube 1；Multiple strip holes 41 are offered on the side wall of 4 horizontal component of bracket, are offered in fixed plate 31 multiple
The through-hole 36 being aligned with strip hole 41, and through-hole 36 and groove 33 communicate；Screw rod 42, and screw rod 42 1 are plugged in strip hole 41
End and through-hole 36 are threadedly coupled, and 42 other end of screw rod protrudes away from fixed plate 31 and protrusion strip hole 41；The centre of screw rod 42
The second nut 43 is fixedly connected on part；Third nut 44 is threaded on the part of the protrusion strip hole 41 of screw rod 42；It adjusts
Expansion plate 32 has been saved after the depth in groove 33, has been exerted a force to the second nut 43, is screwed into screw rod 42 in through-hole 36, makes screw rod 42
One end in groove 33 is connected on the surface of expansion plate 32, and then is fixed on expansion plate 32 in groove 33；It will prevent
When backplate 3 is installed in connecting tube 1, screw rod 42 passes through the strip hole 41 on bracket 4 far from one end of fixed plate 31, then twists again
Upper third nut 44, is fitted in third nut 44 on the side wall of bracket 4, and by the extrusion rack 4 of third nut 44 also and
Second nut 43 fits together, so that bracket 4 and protective plate 3 be made to link together, bracket 4 plays support to protective plate 3
Effect.
As shown in Figure 3 and Figure 4, the lower end of expansion plate 32 is fixedly connected with baffle 37, and baffle 37 is to the side close to connecting plate 2
To extension；Multiple vertical mounting grooves 38 are offered on 32 side wall of expansion plate of 37 top of baffle, is equipped with and leads in mounting groove 38
Wheel 39；The top surface and bottom surface of mounting groove 38 offer circular hole 381, and the both ends of guide wheel 39 are fixedly connected with shaft 391, shaft
391 in circular hole 381, and shaft 391 can rotate in circular hole 381 along the center of circle of shaft 391；Baffle 37 can be reduced
The quantity on chain is splashed during electric vehicle motorcycle driving because baffle 37 be it is horizontal, can be accumulated on baffle 37
Store sundries, sundries can impact the movement of chain, and guide wheel 39 can rotate, when there is sundries, if sundries in chain
Between rub, then sundries can play the role of jointly feeding with chain, sundries is sent out with chain movement, guide wheel 39
Baffle 37, sundries meeting nature fall, and can prevent sundries from impacting to chain.
Specifically used mode: regulating depth of the expansion plate 32 in groove 33 first, then turns the second nut 43, makes
Screw rod 42 is connected on expansion plate 32, is fixed on expansion plate 32 in groove 33, then by the upper end of fixed plate 31 and fixed block
12 are bolted together, and so that screw rod 42 is passed through strip hole 41 when installation, and third spiral shell is then threadedly coupled on screw rod 42
Mother is fitted in third nut on bracket 4, and bracket 4 and fixed plate 31 is made to be fixed together.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. chain stay after a kind of, including two connecting tubes and the connecting plate (2) being set between two connecting tubes (1), connecting plate (2)
Both ends be fixedly connected respectively with two connecting tubes (1)；It is characterized by also including the protection being set on side connecting tube (1)
Device, the protective plate (3) that protective device includes and connecting tube (1) is detachably connected；
Protective plate (3) includes fixed plate (31) and expansion plate (32), and the upper end of fixed plate (31) and connecting tube (1) detachably connect
It connects, the lower end of fixed plate (31) opens up fluted (33), and the upper end of expansion plate (32) is plugged in groove (33), and can be recessed
It is slided up and down in slot (33).
2. a kind of rear chain stay according to claim 1, it is characterised in that: connecting tube (1) lower surface is fixedly connected with
Transverse slat (11), and the length of transverse slat (11) is identical with the length direction of connecting tube (1)；
The lower surface of transverse slat (11) is fixedly connected with multiple fixed blocks (12), and fixed block offers multiple fixation holes on (12)
(13)；
The upper end of fixed plate (31) offers multiple mounting holes (34), is plugged with bolt (35) in mounting hole (34), bolt (35)
End pass through mounting hole (34) and fixation hole (13), be threaded with the first nut (351) on the end of bolt (35), the
One nut (351) is bonded on the surface of word fixed block (12).
3. a kind of rear chain stay according to claim 2, it is characterised in that: the mounting hole (34) is strip.
4. a kind of rear chain stay according to claim 1, it is characterised in that: offered on fixed plate (31) side wall multiple
The through-hole (36) communicated with groove (33), and through-hole (36) is located at fixed plate (31) far from the side wall of connecting plate (2)；
Through-hole (36) internal screw thread is connected to screw rod (42), and one end of screw rod (42), which is abutted, is connected to expansion plate in groove (33)
(32) on side wall, the other end of screw rod (42) protrudes through-hole (36), and is fixedly connected on the part of screw rod (42) protrusion
Second nut (43).
5. a kind of rear chain stay according to claim 1, it is characterised in that: be fixedly connected with bracket on the connecting tube (1)
(4), and bracket (4) is ship type, and the both ends of bracket (4) are fixedly connected with connecting tube (1), and bracket (4) and fixed plate (31) can
Dismantling connection.
6. a kind of rear chain stay according to claim 5, it is characterised in that: offered on the part of bracket (4) level
Strip hole (41), screw rod (42) pass through strip hole (41) and protrusion strip hole (41) far from the one end of expansion plate (32)；
It is threaded with third nut on the part of screw rod (42) protrusion strip hole (41), third nut is fitted in bracket (4)
On side wall.
7. a kind of rear chain stay according to claim 1, it is characterised in that: expansion plate (32) lower end is fixedly connected with water
Flat baffle (37), rectangular extension of the expansion plate (32) to close connecting plate (2).
8. a kind of rear chain stay according to claim 7, it is characterised in that: expansion plate (32) side above the baffle (37)
Multiple vertical mounting grooves (38) are offered on wall, and mounting groove (38) is semicircle, the top surface and ground of mounting groove (38)
Offer circular hole (381)；
It is equipped with guide wheel (39) in mounting groove (38), the upper and lower ends of guide wheel (39) are fixedly connected to shaft (391), shaft
(391) in circular hole (381), and shaft (391) can rotate in circular hole (381) along the center of circle of itself.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821485678.3U CN209096902U (en) | 2018-09-11 | 2018-09-11 | Chain stay after a kind of |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821485678.3U CN209096902U (en) | 2018-09-11 | 2018-09-11 | Chain stay after a kind of |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209096902U true CN209096902U (en) | 2019-07-12 |
Family
ID=67152436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821485678.3U Active CN209096902U (en) | 2018-09-11 | 2018-09-11 | Chain stay after a kind of |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209096902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961818A (en) * | 2019-12-24 | 2020-04-07 | 佛山金盛驰五金制品有限公司 | Integrative welding system of back chain stay |
-
2018
- 2018-09-11 CN CN201821485678.3U patent/CN209096902U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961818A (en) * | 2019-12-24 | 2020-04-07 | 佛山金盛驰五金制品有限公司 | Integrative welding system of back chain stay |
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