CN208376950U - A kind of child's bicycle chain wheel protective device - Google Patents
A kind of child's bicycle chain wheel protective device Download PDFInfo
- Publication number
- CN208376950U CN208376950U CN201821073639.2U CN201821073639U CN208376950U CN 208376950 U CN208376950 U CN 208376950U CN 201821073639 U CN201821073639 U CN 201821073639U CN 208376950 U CN208376950 U CN 208376950U
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- CN
- China
- Prior art keywords
- baffle
- apron plate
- protective device
- rear backplate
- child
- 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
A kind of child's bicycle chain wheel protective device, it is related to technical field of bicycles.It includes apron plate, rear backplate, first baffle, second baffle, public affairs buckle, master card is buckled, chain guard mounting groove, dismounting protrusion.The apron plate and rear backplate are round member, the center of apron plate and rear backplate is provided with rotary shaft through hole, the apron plate is peripherally disposed first baffle, the rear backplate is peripherally disposed second baffle, multiple public buckles are provided on the periphery of the first baffle, the multiple master card buttons to match with public buckle quantity are provided on the periphery of the second baffle, the public buckle is in mating connection with master card button, chain guard mounting groove is provided on the surface of the first baffle and second baffle, dismounting protrusion is provided on the end face of the apron plate.Its structure is simple, and rationally, protective device is convenient for disassembly and assembly for design, need to only rotate apron plate and buckles public buckle with master card and matches, time saving and energy saving, effectively improves working efficiency.
Description
Technical field
The utility model relates to technical field of bicycles, and in particular to a kind of child's bicycle chain wheel protective device.
Background technique
Of the right age 4 to 8 years old children of child's bicycle ride, and as one kind of toy, the enjoyment ridden, forging are provided for children
Body and mind is refined, liking for parent and children has been obtained.In structure, child's bicycle also has all components of adult bicycle,
These components consider the characteristics of children's torso condition and security requirement etc. and need to carry out completely new design, especially to infuse
It anticipates the brake lever size of rim brake, whole height of vehicle body etc..
Sprocket wheel is indispensable a part in bicycle, by the continuous rotation of sprocket wheel for bicycle provide power come
Source, if sprocket wheel foot or hand of children during with chain drive, which protrudes into, will cause certain injury, therefore child's bicycle
Sprocket wheel need to provide effective protective device to prevent from damaging children, current child's bicycle chain wheel protective device
It dismounts more troublesome, is needing repairing or replacing sprocket wheel and when chain, time-consuming and laborious, working efficiency is lower.
Utility model content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of child's bicycle sprocket wheel guarantor is provided
Protection unit, it is more troublesome that it can solve current child's bicycle chain wheel protective device dismounting, is needing repairing or replacing sprocket wheel
It is time-consuming and laborious when with chain, the lower defect of working efficiency.
To achieve the above object, the utility model is using following technical scheme: it includes apron plate 1, rear backplate 2, the
One baffle 3, second baffle 4, public buckle 5, master card button 6, chain guard mounting groove 7, dismounting protrusion 8, the apron plate 1 and rear backplate
2 be round member, and apron plate 1 and the center of rear backplate 2 are provided with rotary shaft through hole 11, and the apron plate 1 is circumferentially
Direction is provided with first baffle 3, and the rear backplate 2 is peripherally disposed second baffle 4, the circumference of the first baffle 3
Multiple public buckles 5 are provided on face, be provided on the periphery of the second baffle 4 with it is public buckle 5 quantity match it is multiple
Master card button 6, the public buckle 5 is in mating connection with master card button 6, is provided on the first baffle 3 and the surface of second baffle 4
Chain guard mounting groove 7 is provided with dismounting protrusion 8 on the end face of the apron plate 1.
Further, the dismounting protrusion 8 is cylindrical structure.When needing to dismount protective device, hand is only needed
Cylindrical dismounting protrusion 8 is held to rotate.
Further, anti-skid chequer 81 is provided in the dismounting protrusion 8.Dismounting protrusion 8 can be increased by anti-skid chequer 81
The frictional force on surface, convenient for being dismounted to protective device.
Further, the public quantity for buckling 5, master card button 6 is respectively three.Matched by public affairs buckle 5 with master card button 6
Conjunction first baffle 3 to screw with second baffle 4 to connect, so that protective device is convenient for disassembly and assembly.
Further, the apron plate 1 is transparent apron plate.
Further, the rear backplate 2 is transparent rear backplate.
After adopting the above technical scheme, the utility model has the beneficial effect that its structure is simple, design rationally, passes through protection
Device can effectively protect sprocket wheel, can prevent children injured while protecting sprocket wheel；Protective device is torn open simultaneously
Dress is convenient, need to only rotate apron plate public buckle is buckled with master card and match, needing repairing or replacing sprocket wheel and chain
When, protective device dismounting is simple, and it is time saving and energy saving, effectively improve working efficiency.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the main view of the utility model；
Fig. 2 is the left view of corresponding diagram 1；
Fig. 3 is the structural schematic diagram of apron plate 1 in the utility model, first baffle 3, public buckle 5；
Fig. 4 be rear backplate 2 in the utility model, second baffle 4, master card button 6 structural schematic diagram.
Description of symbols: apron plate 1, rear backplate 2, first baffle 3, second baffle 4, public buckle 5, master card buckle 6, chain
Cover mounting groove 7 dismounts raised 8, rotary shaft through hole 11, anti-skid chequer 81.
Specific embodiment
Referring to shown in Fig. 1-Fig. 4, present embodiment the technical solution adopted is that: it include apron plate 1, rear backplate 2,
First baffle 3, second baffle 4, public buckle 5, master card button 6, chain guard mounting groove 7, dismounting protrusion 8, the apron plate 1 and rear shield
Plate 2 is round member, and the center of apron plate 1 and rear backplate 2 is provided with rotary shaft through hole 11, and the apron plate 1 is along circle
Circumferential direction is provided with first baffle 3, and the rear backplate 2 is peripherally disposed second baffle 4, the circle of the first baffle 3
Multiple public buckles 5 are provided on circumferential surface, be provided on the periphery of the second baffle 4 match with 5 quantity of public buckle it is more
A master card button 6, the public buckle 5 is in mating connection with master card button 6, is arranged on the first baffle 3 and the surface of second baffle 4
There is chain guard mounting groove 7, dismounting protrusion 8 is provided on the end face of the apron plate 1.
The dismounting protrusion 8 is cylindrical structure.When needing to dismount protective device, only hand is needed to hold cylinder
Dismounting protrusion 8 rotates.
Anti-skid chequer 81 is provided in the dismounting protrusion 8.The friction for dismounting raised 8 surfaces can be increased by anti-skid chequer 81
Power, convenient for being dismounted to protective device.
The public quantity for buckling 5, master card button 6 is respectively three.It is matched with master card button 6 by public affairs buckle 5 so that the
One baffle 3 can be screwed with second baffle 4 to be connect, so that protective device is convenient for disassembly and assembly.
The apron plate 1 is transparent apron plate.
The rear backplate 2 is transparent rear backplate.
Working principle of the utility model is: in use, hand holds the raised 8 pairs of apron plates 1 of dismounting rotates, so that first
Public buckle on baffle 3 protects sprocket wheel at it with 6 rotatable engagement of master card button on second baffle 4, apron plate 1 and rear backplate 2
Inside, installation are simple；When needing to remove, hand is held the raised 8 pairs of apron plates 1 of dismounting and is reversely rotated；Apron plate 1,
The chain guard mounting groove 7 connecting with chain guard cover is reserved in rear backplate 2, convenient for connecting with chain guard；Apron plate 1, rear shield
Plate 2 is that transparent material is made, children it can be seen that sprocket wheel drive chain transmission process, vivid and interesting,
The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope should all cover in the scope of the claims of the utility model.
Claims (6)
1. a kind of child's bicycle chain wheel protective device, it is characterised in that: it includes apron plate (1), rear backplate (2), first gear
Plate (3), public buckle (5), master card button (6), chain guard mounting groove (7), dismounts raised (8), the apron plate at second baffle (4)
(1) and rear backplate (2) is round member, and apron plate (1) and the center of rear backplate (2) are provided with rotary shaft through hole
(11), the apron plate (1) is peripherally disposed has first baffle (3), and the rear backplate (2) is peripherally disposed
Two baffles (4) are provided with multiple public buckles (5), the circumference of the second baffle (4) on the periphery of the first baffle (3)
The multiple master card buttons (6) to match with public buckle (5) quantity are provided on face, the public buckle (5) matches with master card button (6)
It is provided with chain guard mounting groove (7) on connection, the first baffle (3) and the surface of second baffle (4), the apron plate (1)
End face on to be provided with dismounting raised (8).
2. a kind of child's bicycle chain wheel protective device according to claim 1, it is characterised in that: the dismounting protrusion
It (8) is cylindrical structure.
3. a kind of child's bicycle chain wheel protective device according to claim 1, it is characterised in that: the dismounting protrusion
(8) anti-skid chequer (81) are provided on.
4. a kind of child's bicycle chain wheel protective device according to claim 1, it is characterised in that: the public buckle (5),
The quantity of master card button (6) is respectively three.
5. a kind of child's bicycle chain wheel protective device according to claim 1, it is characterised in that: the apron plate (1)
For transparent apron plate.
6. a kind of child's bicycle chain wheel protective device according to claim 1, it is characterised in that: the rear backplate (2)
For transparent rear backplate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821073639.2U CN208376950U (en) | 2018-06-27 | 2018-06-27 | A kind of child's bicycle chain wheel protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821073639.2U CN208376950U (en) | 2018-06-27 | 2018-06-27 | A kind of child's bicycle chain wheel protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208376950U true CN208376950U (en) | 2019-01-15 |
Family
ID=64964035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821073639.2U Active CN208376950U (en) | 2018-06-27 | 2018-06-27 | A kind of child's bicycle chain wheel protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208376950U (en) |
-
2018
- 2018-06-27 CN CN201821073639.2U patent/CN208376950U/en active Active
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