CN213414036U - High-strength and shock-absorbing adjustable bicycle backseat - Google Patents
High-strength and shock-absorbing adjustable bicycle backseat Download PDFInfo
- Publication number
- CN213414036U CN213414036U CN202022063567.7U CN202022063567U CN213414036U CN 213414036 U CN213414036 U CN 213414036U CN 202022063567 U CN202022063567 U CN 202022063567U CN 213414036 U CN213414036 U CN 213414036U
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- China
- Prior art keywords
- back seat
- vice
- backseat
- rod
- surrounding
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- 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
- 239000003351 stiffener Substances 0.000 claims abstract description 18
- 238000013016 damping Methods 0.000 claims abstract description 7
- 230000035939 shock Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- Vibration Dampers (AREA)
Abstract
The utility model relates to the technical field of bicycle, especially, relate to an adjustable bicycle backseat of high strength and absorbing, main backseat includes main backseat surrounding rod and many main backseat stiffeners, vice backseat includes two vice backseat side surrounding rods and encloses the pole behind the vice backseat, two vice backseat side surrounding rods cartridges are in two main backseat surrounding rods, it includes screw rod, lower screw rod and adjusting collar to adorn vice backseat back surrounding rod middle part admittedly, the lower part of going up the screw rod and the upper portion of lower screw rod are equipped with respectively and revolve to opposite external screw thread, adjusting collar suit both ends are equipped with the internal thread, it is articulated with vice backseat side surrounding rod to go up the screw rod top, lower screw rod bottom articulates with the diagonal brace, two be equipped with damping spring on the diagonal brace respectively. The device provided by the utility model intensity is high, auto-lock and shock attenuation to adjust convenient laborsavingly, 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 and absorbing.
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 the intensity is high, but auto-lock and shock attenuation to adjust convenient laborsaving, need not a high strength and absorbing adjustable bicycle back seat with the help of specialized tool.
The utility model discloses a realize through following technical scheme:
the utility model provides a high strength and absorbing adjustable bicycle back seat, its includes main back seat, vice back seat, support frame and alignment jig, main back seat includes the main back seat surrounding rod of both sides and connects many main back seat stiffener between two main back seat surrounding rods, main back seat surrounding rod is the tubular structure, the support frame includes that two diagonal braces are fixed to be located the below of two main back seat surrounding rods, its bottom and bicycle frame fixed connection, vice back seat includes two vice back seat side surrounding rods and connects the vice back seat back surrounding rod between two vice back seat side surrounding rods, two vice back seat side surrounding rod cartridge is in two main back seat surrounding rods, and vice back seat stiffener is installed to vice back seat back surrounding rod middle part fixed mounting, and the hole of stepping down has been seted up at the middle part of many main back seat stiffeners, vice back seat stiffener passes the hole of stepping down, the alignment jig includes upper screw rod, lower screw rod and connects in upper screw rod, The adjusting sleeve is sleeved between the upper screw and the lower screw, internal threads matched with the external threads of the upper screw and the lower screw are arranged at two ends of the adjusting sleeve, the top of the upper screw is hinged with the side surrounding rod of the auxiliary rear seat, the bottom of the lower screw is hung with the rear of the lower screw, and two inclined support rods are respectively provided with a damping spring.
Furthermore, the outer wall of the adjusting sleeve is provided with anti-skid lines.
Beneficial effects of the utility model
The utility model provides an adjustable bicycle backseat of high strength and absorbing, has following advantage:
1. simple structure, easy dismounting, connection structure intensity is high.
2. Self-locking can be realized;
3. the shock can be absorbed;
4. 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, a abdicating hole, 4, an auxiliary rear seat side surrounding rod, 5, an auxiliary rear seat rear surrounding rod, 6, an auxiliary rear seat reinforcing rod, 7, an inclined supporting rod, 8, a bicycle frame, 9, an upper screw rod, 10, an anti-skid line, 11, an adjusting sleeve, 12, a lower screw rod and 13, a damping spring are arranged.
Detailed Description
The utility model provides an adjustable bicycle backseat of high strength and absorbing, its includes main back seat, vice back seat, support frame and alignment jig, and main back seat includes that the main back seat of both sides encloses pole 1 and connects in many main back seat stiffeners 2 between two main back seat enclose poles, and main back seat encloses the pole and is the tubular structure, the flexible of the vice back seat of being convenient for.
The support frame comprises two inclined support rods 7 which are fixedly arranged below the two main rear seat surrounding rods, and the bottom of the support frame is fixedly connected with a bicycle frame 8. The stable support of the bicycle backseat can be realized.
Vice back seat includes that two vice back seat sides enclose pole 4 and connect and enclose pole 5, two behind the vice back seat between two vice back seat sides enclose the pole cartridge in two main back seat enclosing poles, enclose pole middle part fixed mounting have vice back seat stiffener 6 behind the vice back seat, and hole 3 of stepping down has been seted up at the middle part of many main back seat stiffeners, and vice back seat stiffener passes the hole of stepping down, and vice back seat stiffener can increase the vice back seat and stretch out the back and main joint strength between the back seat, improves the loading capacity.
The adjusting frame comprises an upper screw rod 9, a lower screw rod 12 and an adjusting sleeve 11 connected between the upper screw rod and the lower screw rod, external threads with opposite rotation directions are arranged on the lower portion of the upper screw rod and the upper portion of the lower screw rod respectively, the adjusting sleeve is sleeved between the upper screw rod and the lower screw rod, internal threads matched with the external threads of the upper screw rod and the external threads of the lower screw rod are arranged at two ends of the adjusting sleeve, the top of the upper screw rod is hinged to the side surrounding rod of the auxiliary rear seat, the bottom of the lower screw rod is hung with an inclined supporting rod at the rear portion of the lower screw rod, adjustment and self-locking of the auxiliary rear seat are.
And the two inclined support rods are respectively provided with a damping spring 13, so that the damping in the riding process is facilitated.
Furthermore, the outer wall of the adjusting sleeve is provided with 10, which is convenient for adjusting operation.
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. Adjust convenient laborsaving, and need not with the help of specialized tool, while threaded connection can realize the auto-lock, simple structure not only, easy dismounting moreover to need not punch on the back seat major structure, improved overall structure's intensity, and two be equipped with damping spring on the diagonal brace respectively, take the in-process and realize the shock attenuation, simultaneously owing to enclose pole middle part fixed mounting behind vice back seat and have vice back seat stiffener, the hole of stepping down has been seted up at the middle part of many main back seat stiffeners, and vice back seat stiffener passes the hole of stepping down, and the setting of vice back seat stiffener can increase the joint strength between vice back seat stretches out the back and the main back seat, improves bulk strength and loading capacity.
To sum up, the utility model discloses a high strength and absorbing adjustable bicycle back seat, intensity is high, auto-lock and shock attenuation 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. The utility model provides a high strength and absorbing adjustable bicycle back seat, its characterized in that, includes main back seat, vice back seat, support frame and alignment jig, main back seat includes the main back seat surrounding rod of both sides and connects many main back seat stiffener between two main back seat surrounding rods, main back seat surrounding rod is the tubular structure, the support frame includes that two diagonal braces are fixed to be located the below of two main back seat surrounding rods, its bottom and bicycle frame fixed connection, vice back seat includes that two vice back seat side surrounding rods and connect the vice back seat back surrounding rod between two vice back seat side surrounding rods, two vice back seat side surrounding rod cartridge is in two main back seat surrounding rods, and vice back seat stiffener is fixed to be installed at vice back seat back surrounding rod middle part, and the hole of stepping down has been seted up in the middle part of many main back seat stiffeners, vice back seat stiffener passes the hole of stepping down, the alignment jig includes upper screw rod, lower screw rod and connects in upper screw rod, The adjusting sleeve is sleeved between the upper screw and the lower screw, internal threads matched with the external threads of the upper screw and the lower screw are arranged at two ends of the adjusting sleeve, the top of the upper screw is hinged with the side surrounding rod of the auxiliary rear seat, the bottom of the lower screw is hung with the inclined support rods at the rear part, and two inclined support rods are respectively provided with a damping spring.
2. A high strength, shock absorbing, 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 |
|---|---|---|---|
| CN202022063567.7U CN213414036U (en) | 2020-09-12 | 2020-09-12 | High-strength and shock-absorbing adjustable bicycle backseat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022063567.7U CN213414036U (en) | 2020-09-12 | 2020-09-12 | High-strength and shock-absorbing adjustable bicycle backseat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213414036U true CN213414036U (en) | 2021-06-11 |
Family
ID=76262650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022063567.7U Expired - Fee Related CN213414036U (en) | 2020-09-12 | 2020-09-12 | High-strength and shock-absorbing adjustable bicycle backseat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213414036U (en) |
-
2020
- 2020-09-12 CN CN202022063567.7U patent/CN213414036U/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 |