CN213414035U - High-strength adjustable bicycle backseat - Google Patents
High-strength adjustable bicycle backseat Download PDFInfo
- Publication number
- CN213414035U CN213414035U CN202022063566.2U CN202022063566U CN213414035U CN 213414035 U CN213414035 U CN 213414035U CN 202022063566 U CN202022063566 U CN 202022063566U CN 213414035 U CN213414035 U CN 213414035U
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- CN
- China
- Prior art keywords
- screw rod
- backseat
- back seat
- main
- auxiliary
- 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
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000003351 stiffener Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- Motorcycle And Bicycle Frame (AREA)
Abstract
The utility model relates to the technical field of bicycle, especially, relate to an adjustable bicycle backseat of high strength, it includes main back seat, vice back seat, support frame and alignment jig, and main back seat includes main back seat enclosing pole and links many main back seat stiffeners, and main back seat enclosing pole is the tubular structure, and the support frame includes two diagonal braces, and the fixed vice back seat in below of locating two main back seat enclosing poles includes that two vice back seat side enclosing poles and vice back seat enclose the pole, two vice back seat side enclosing pole cartridge is in two main back seat enclosing poles, and the alignment jig includes screw rod, lower screw rod and adjusting collar, and the lower part of going up the screw rod and the upper portion of lower screw rod are equipped with the external screw thread that revolves to opposite respectively, and the adjusting collar suit is between last screw rod and lower screw rod, and both ends are equipped with the internal thread, and go up the screw rod top and articulate with vice back seat side enclosing pole, and articulate bottom the screw rod and diagonal brace down. The device provided by the utility model intensity is high, can auto-lock to adjust convenient laborsaving, need not with the help of specialized tool.
Description
Technical Field
The utility model relates to a bicycle technical field especially relates to an adjustable bicycle backseat of high strength.
Background
The back seat of the existing bicycle is fixed in length, and is easy to fall off when long articles need to be carried. Although also having the back seat that can stretch out and draw back now, generally all be vice back seat in main back seat, have the telescopic position of several differences, through the bolt fastening, the flexible back seat of this kind of mode need punch on the support body, has not only reduced the bulk strength of structure, can not realize the auto-lock, and adjusts inconveniently, needs just can accomplish with the help of the instrument.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a simple structure is provided, easy dismounting, but the auto-lock to it is laborsaving to adjust conveniently, need not the adjustable bicycle back seat with the help of specialized tool's a high strength.
The utility model discloses a realize through following technical scheme:
a high-strength adjustable bicycle backseat comprises a main backseat, an auxiliary backseat, a support frame and an adjusting frame, wherein the main backseat comprises main backseat surrounding rods on two sides and a plurality of main backseat reinforcing rods connected between the two main backseat surrounding rods, the main backseat surrounding rods are of a tubular structure, the support frame comprises two inclined supporting rods fixedly arranged below the two main backseat surrounding rods, the bottom of the support frame is fixedly connected with a bicycle frame, the auxiliary backseat comprises two auxiliary backseat side surrounding rods and an auxiliary backseat rear surrounding rod connected between the two auxiliary backseat side surrounding rods, the two auxiliary backseat side surrounding rods are inserted into the two main backseat surrounding rods, the adjusting frame comprises an upper screw rod, a lower screw rod and an adjusting sleeve connected between the upper screw rod and the lower screw rod, external threads with opposite rotation directions are respectively arranged on the lower part of the upper screw rod and the upper part of the lower screw rod, and the adjusting sleeve is sleeved between the upper screw rod and the lower screw rod, and the two ends of the upper screw rod are provided with internal threads matched with the external threads of the upper screw rod and the lower screw rod, the top of the upper screw rod is hinged with the side surrounding rod of the auxiliary rear seat, and the bottom of the lower screw rod is hung with the inclined stay bar at the rear part.
Furthermore, the outer wall of the adjusting sleeve is provided with anti-skid lines.
Beneficial effects of the utility model
A high strength adjustable bicycle backseat has following advantage:
1. simple structure, easy dismounting.
2. Self-locking can be realized;
3. the adjustment is convenient and labor-saving, and a special tool is not needed.
Drawings
Fig. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic view of the structure of the present invention;
in the figure, 1, a main rear seat surrounding rod, 2, a main rear seat reinforcing rod, 3, an auxiliary rear seat rear surrounding rod, 4, an auxiliary rear seat side surrounding rod, 5, an inclined supporting rod, 6, a bicycle frame, 7, a lower screw rod, 8, an adjusting sleeve, 9, an upper screw rod and 10, anti-skid lines are arranged.
Detailed Description
A high-strength adjustable bicycle backseat comprises a main backseat, an auxiliary backseat, a support frame and an adjusting frame, wherein the main backseat comprises main backseat surrounding rods 1 at two sides and a plurality of main backseat reinforcing rods 2 connected between the two main backseat surrounding rods, the main backseat surrounding rods are of a tubular structure, the support frame comprises two inclined supporting rods 5 fixedly arranged below the two main backseat surrounding rods, the bottom of the support frame is fixedly connected with a bicycle frame 6, the auxiliary backseat comprises two auxiliary backseat side surrounding rods 4 and an auxiliary backseat rear surrounding rod 3 connected between the two auxiliary backseat side surrounding rods, the two auxiliary backseat side surrounding rods are inserted into the two main backseat surrounding rods, the adjusting frame comprises an upper screw rod 9, a lower screw rod 7 and an adjusting sleeve 8 connected between the upper screw rod and the lower screw rod, the lower part of the upper screw rod and the upper part of the lower screw rod are respectively provided with external threads with opposite rotation directions, and the adjusting sleeve is arranged between the upper screw rod and the lower screw rod, and the two ends of the upper screw rod are provided with internal threads matched with the external threads of the upper screw rod and the lower screw rod, the top of the upper screw rod is hinged with the side surrounding rod of the auxiliary rear seat, and the bottom of the lower screw rod is hung with the inclined stay bar at the rear part.
Furthermore, the outer wall of the adjusting sleeve is provided with anti-skid grains 10, so that the adjusting sleeve is convenient to adjust.
When the length of the backseat of the bicycle needs to be adjusted, the lower screw rod is taken down from the hanging connection part, the adjusting sleeve is screwed by hand, the upper screw rod and the lower screw rod can stretch out and draw back, so that the two side surrounding rods of the auxiliary backseat are driven to stretch out and draw back in the corresponding main backseat surrounding rods, the length of the backseat is adjusted, and the upper screw rod is hung at the inclined support rod until the length of the backseat is proper. The adjusting is convenient and labor-saving, and the self-locking can be realized by means of special tools and simultaneously through threaded connection, so that the structure is simple, the assembly and disassembly are convenient, the punching on the back seat main body structure is not needed, and the strength of the whole structure is improved.
To sum up, the utility model discloses an adjustable bicycle backseat of high strength, simple structure, easy dismounting, but the auto-lock to adjust convenient laborsaving, need not with the help of specialized tool.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A high-strength adjustable bicycle backseat is characterized by comprising a main backseat, an auxiliary backseat, a support frame and an adjusting frame, wherein the main backseat comprises main backseat surrounding rods at two sides and a plurality of main backseat reinforcing rods connected between the two main backseat surrounding rods, the main backseat surrounding rods are of a tubular structure, the support frame comprises two inclined supporting rods fixedly arranged below the two main backseat surrounding rods, the bottom of the support frame is fixedly connected with a bicycle frame, the auxiliary backseat comprises two auxiliary backseat side surrounding rods and an auxiliary backseat rear surrounding rod connected between the two auxiliary backseat side surrounding rods, the two auxiliary backseat side surrounding rods are inserted into the two main backseat surrounding rods, the adjusting frame comprises an upper screw rod, a lower screw rod and an adjusting sleeve connected between the upper screw rod and the lower screw rod, the lower part of the upper screw rod and the upper part of the lower screw rod are respectively provided with external threads with opposite rotation directions, and the adjusting sleeve is sleeved between the upper screw rod and the lower screw rod, and the two ends of the upper screw rod are provided with internal threads matched with the external threads of the upper screw rod and the lower screw rod, the top of the upper screw rod is hinged with the side surrounding rod of the auxiliary rear seat, and the bottom of the lower screw rod is hung with the inclined stay bar at the rear part.
2. A high strength adjustable bicycle backseat as claimed in claim 1, wherein the adjusting sleeve is provided with anti-slip threads on its outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022063566.2U CN213414035U (en) | 2020-09-12 | 2020-09-12 | High-strength adjustable bicycle backseat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022063566.2U CN213414035U (en) | 2020-09-12 | 2020-09-12 | High-strength adjustable bicycle backseat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213414035U true CN213414035U (en) | 2021-06-11 |
Family
ID=76262649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022063566.2U Expired - Fee Related CN213414035U (en) | 2020-09-12 | 2020-09-12 | High-strength adjustable bicycle backseat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213414035U (en) |
-
2020
- 2020-09-12 CN CN202022063566.2U patent/CN213414035U/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: 20210611 |