CN201338695Y - Foldable shopping bicycle - Google Patents
Foldable shopping bicycle Download PDFInfo
- Publication number
- CN201338695Y CN201338695Y CNU2008201332413U CN200820133241U CN201338695Y CN 201338695 Y CN201338695 Y CN 201338695Y CN U2008201332413 U CNU2008201332413 U CN U2008201332413U CN 200820133241 U CN200820133241 U CN 200820133241U CN 201338695 Y CN201338695 Y CN 201338695Y
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- China
- Prior art keywords
- bicycle
- strut bar
- shelf
- adjustment
- honour
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Abstract
The utility model relates to a foldable shopping bicycle which is characterized in that an auxiliary wheel is arranged on a main shaft of a frame. The auxiliary comprises an upper seat, a support rod and at least a roller wheel. The upper seat is fixed on the main shaft of the frame and is connected with the top end of the support rod through a rotating joint; the roller wheel is arranged on the support rod which is stopped and fixed at a first position and a second position through the rotating joint and is capable of switching and moving between the first position and the second position; and the first position is a gyration space for the support rod to interfere in a crank of the bicycle while the second position is a gyration space for the support rod to disengage from the crank of the bicycle. Hereby, the bicycle can not run when the auxiliary wheel is landed, therefore avoiding the auxiliary wheel from influencing the traveling safety.
Description
Technical field
The utility model relates to a kind of folding shopping cart, and described folding shopping cart has the device that auxiliary wheel and Kickstand have both.
Background technology
Research and development and reality according to this case applicant are done empirical discovery, when desire is served as the shopping cart use with traditional Folding Bicycle after folding, face following variety of issue.
One, traditional Folding Bicycle is established articulation structure at the vehicle frame mobile jib, described articulation structure with single pivot as point of transition, bicycle is in the shape of the letter V after with described point of transition doubling, has an angle between the vehicle body of front and back, front and back wheel lands but is not parallel, so that is difficult to promote after folding at bicycle.
Two, the bicycle after folding is moving ahead when mobile, and front-wheel can be subjected to the influence of handle and beat, the obstruction when causing car body to move.
Three, the bicycle after folding when moving ahead of just changeing of two-wheeled is mobile, crank and foot-operated can't thereupon the rotation; But two-wheeled is retreating of reversing when mobile, crank and foot-operated i.e. backwards rotation thereupon, and then constitute block with vehicle body and hinder, and car body can't be moved.
Four, a kind of folding bicycle with auxiliary wheel lands auxiliary wheel after car body is folding, forms supported at three point with the front and back two-wheeled, uses and can be used as shopping cart.But when the expansion car body is ridden,, then can increase collision and obstruction when advancing, cause the traffic safety problem if that auxiliary wheel is not liftoff.
Five, bicycle luggage carrier after folding or glove basket can be because of the changes (auxiliary wheel is shorter, and car body is leaned forward) of car body angle, produce the situation with terrain slope, and it is not reliable to cause goods to be placed on it.
Summary of the invention
At the deficiencies in the prior art, the purpose of this utility model is: a kind of collapsible shopping bicycle is provided, controlling an auxiliary wheel with the scheme of simple and easy operation rises and falls, the user can finish actions such as rising and falling of auxiliary wheel and folding easily, and described auxiliary wheel must begin to be ridden by bicycle when liftoff state, influences travel safety to avoid auxiliary wheel.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of collapsible shopping bicycle, described bicycle is provided with an auxiliary wheel with one vehicle frame main shaft; It is characterized in that:
Described auxiliary wheel comprises a seat of honour, a strut bar, at least one roller; The described seat of honour is fixed on the described vehicle frame main shaft, and connects the top of described strut bar with a rotary contact, and described strut bar is provided with above-mentioned roller;
Described strut bar can end it in a primary importance and a second place with described rotary contact surely, and can switch mobile in the described primary importance and the described second place; Described primary importance is the rotary space that described strut bar is interfered the crank of described bicycle; The described second place is meant that described strut bar breaks away from the rotary space of the crank of described bicycle.
Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be:
1. establish an auxiliary wheel at the vehicle frame main shaft of bicycle, the rotary space of interfering the crank of described bicycle when described auxiliary wheel lands, the rotary space that then breaks away from described crank when described auxiliary wheel is liftoff, in view of the above, described bicycle can't be ridden under the situation that auxiliary wheel lands, and influences travel safety to avoid auxiliary wheel.
2. the utility model proposes the compound scheme of auxiliary wheel and Kickstand, described auxiliary wheel can have the function of Kickstand concurrently, and reaches ease of use.
3. the utility model proposes the compound scheme of auxiliary wheel and Kickstand, it has the advantage of laborsaving operation, and convenient the use.
4. the utility model proposes between the shelf of described bicycle and vehicle frame and have an adjusting mechanism, regulate the setting angle of described shelf, goods can still can steadily be placed when bicycle and shopping cart use transformation condition with activity.
Description of drawings
Fig. 1 is the planar appearance figure of bicycle, represents that auxiliary wheel of the present utility model is liftoff state;
Fig. 2 is the three-dimensional exploded view of the utility model auxiliary wheel first embodiment;
Fig. 3 is the combination appearance figure of the utility model auxiliary wheel first embodiment;
Fig. 4 becomes the lateral plan of shopping cart for bicycle folding, and auxiliary wheel is the state of landing;
Fig. 5 is the planar view of bicycle, and expression the utility model auxiliary wheel is the state of landing;
Fig. 6 is the second embodiment plan sketch of the compound Kickstand of the utility model auxiliary wheel;
Fig. 7 is the second embodiment generalized section of the compound Kickstand of the utility model auxiliary wheel;
Fig. 8 is the 3rd an embodiment plan sketch of the compound Kickstand of the utility model auxiliary wheel;
Fig. 9 is the 3rd an embodiment generalized section of the compound Kickstand of the utility model auxiliary wheel;
Figure 10 becomes the lateral plan of shopping cart for bicycle folding, and represents the scheme drawing that shelf are adjusted;
Figure 11 is for cooperating the shelf embodiment exploded drawings of folding shopping cart;
Figure 12 is for cooperating the shelf embodiment assembly drawing of folding shopping cart.
The specific embodiment
For ease of explanation the utility model represented central idea in foregoing invention content one hurdle, express with specific embodiment now.Various different objects and deflection thereof or displacement are in the ratio that is suitable for exemplifying explanation among the embodiment, but not are drawn in the ratio of actual components, close chat earlier bright.
Fig. 1 represents a Folding Bicycle, and the pattern of described car body only is convenient to illustrate the utility model, and the utility model major technique can be implemented in various car body, is not limited to the pattern shown in the legend.
The utility model major technique relates to an auxiliary wheel 30 that is located at vehicle frame main shaft 10.As Fig. 1 to Fig. 5, comprise a seat of honour 31, a strut bar 32, at least one roller 33 and a spring 34.The described seat of honour 31 has on one fixed part 311 and fixed part 315 once, and the described fixed part 311 of going up is used for fixing rear end at the vehicle frame main shaft 10 of bicycle.Described fixed part 315 down is with the top of the described strut bar 32 of a rotary contact 321 connections, and above-mentioned roller 33 is established in the bottom of described strut bar 32.The described seat of honour 31 and described strut bar 32 respectively have a spring contact 316,322, are used for connecting above-mentioned spring 34.The described limit, the left and right sides of fixed part 315 down respectively has a side limiting section 312.
Described strut bar 32 can end it in a primary importance and a second place with its rotary contact 321 surely, and can move between the described primary importance and the second place.Described primary importance is meant that described strut bar 32 stands in ground with 33 on described roller, and the second place is meant that described strut bar 32 makes described roller 33 built on stilts.Described strut bar 32 when the primary importance and the second place respectively by 312 blocks of above-mentioned side limiting section.Described strut bar 32 is when the primary importance and the second place, the three summit correspondences that two above-mentioned spring contacts 316,322 and rotary contact 321 are triangular in shape, the tension that makes described spring 34 is supported strut bar 32 and only is positioned at described side limiting section 312,323 in the described strut bar 32 and the described seat of honour 31.
Described upward fixed part 311 and described fixed part 315 down are the bending of a predetermined angular, when described strut bar 32 when primary importance (also being that 33 on roller stands in ground), be subjected to the described guide function of fixed part 315 down, described strut bar 32 is tilted toward the direction away from described vehicle frame main shaft 10, and then interfere the rotary space of described bicycle crank 13, described crank 13 can't be rotated smoothly.When strut bar 32 the second place (when also being roller 33 built on stilts), described strut bar 32 promptly breaks away from the rotary space of the bent tenon 13 of described bicycle, and crank 13 is rotated.With bicycle folding during as shopping cart, should make described strut bar 32 in primary importance, roller 33 lands and front-wheel 15 and trailing wheel form supported at three point.Desire to ride when using bicycle, then must make described strut bar 32 in the second place, roller 33 is liftoff, otherwise crank promptly can't turn round, so a scheme can avoid auxiliary wheel 30 to influence the problem of travel safety fully.Is that the described strut bar 32 of may command switches in the primary importance and the second place with the foot application of force at described strut bar 32, and method is simple and laborsaving.
The described seat of honour 31 has one and is used for assisting described strut bar 32 to be positioned the strut bar location structure of the described primary importance or the described second place.
Described strut bar location structure such as Fig. 2 and Fig. 3, described fixed part 315 down have one and can the bump structure 317 of the mobile pause point of described strut bar 32 formations be located in the primary importance and the second place with auxiliary described strut bar 32.The increasing application of force that must be slightly when the user controls described strut bar 32 by described bump structure 317 with foot.
As Fig. 6 and Fig. 7, a rotating shaft 60 is established in the bottom of described strut bar 32, and described rotating shaft 60 connects a roller post 61, and predetermined angular is rotated in described rotating shaft 60, the described roller post 61 of may command lands or is liftoff, and as the auxiliary wheel of folded bicycle or the Kickstand of bicycle.Wherein, have groove 325 and at least one latch 62 of arc on the relative contact of described strut bar 32 and described roller post 61 respectively, a knock hole 326 is established at least one end of described groove 325, a sheathed spring 327 in the described rotating shaft 60.Outwards the application of force is drawn back strut bar 32 and when rotating, described latch 62 can move along groove 325, and described latch 62 can insert in the described knock hole 326, and described strut bar 32 is fixing.For example the mode that the utility model embodiment also can 62 3 knock holees 326 of two pins to be to promote locating effect, keeps that rotating shaft 60 is stable does not rock, and can reduce the axle center abrasion.
As Fig. 8 and Fig. 9, a rotating shaft 60 is established in the bottom of described strut bar 32, and described rotating shaft 60 connects a roller post 61 and a Kickstand 63, and predetermined angular is rotated in described rotating shaft 60, and described roller post 61 of may command or described Kickstand 63 land.Have the groove 325 and a latch 62 of an arc on the relative contact of described strut bar 32 and described roller post 61 respectively, a knock hole 326 is established at least one end of described groove 325, a sheathed spring 327 in the described rotating shaft 60.Outwards the application of force is drawn back strut bar 32 and when rotating, described latch 62 can move along groove 325, and described latch 62 can insert in the described knock hole 326, and described strut bar 32 is fixing.
Above-mentioned groove 325 can be according to need and system is established the arc of various circumference angles, so that strut bar 32 rotates the angle of various expections, roller post 61 and Kickstand 63 are landed and brings into play function.
Above-mentioned strut bar 32 is platy structures, and the arc port 328 that it can top is welded on the five-way pipe lower edge of car body.The following ora terminalis of described strut bar 32 is than the lower edge profile of the fluted disc 80 of bicycle low level more.Under the situation that roller post 61 does not land and when car body taking place leaning forward, the bottom of described strut bar 32 can be touched with ground and avoid fluted disc 80 to make impact with the ground, and therefore described strut bar 32 has the effect of protection fluted disc 80.The also tiltable five-way pipe that is welded on car body of above-mentioned strut bar 32, when 61 of Kickstands stood in ground, strut bar 32 was interfered the rotary space of described bicycle crank 13, must make described Kickstand liftoff, begins to ride and uses bicycle, guarantees safety in utilization.
As shown in figure 10, owing to stablize for keeping during bicycle parking, car body is a slightly inclined during parking, therefore the height of roller 33 need omit height on ground, tilt toward side smoothly in order to vehicle body, but when bicycle folding becomes shopping cart to use, roller 33 needs to conflict on ground, square neck is oblique forward to cause vehicle body, and script is parallel can to produce the bevelled situation because of the change of car body angle at ground-surface bicycle luggage carrier 70 or glove basket, and it is not reliable to cause goods to be placed on it.Therefore, shelf 70 of the present utility model are with the two stands 71 rotatable car body wheel shaft places that are installed in, and be provided with an adjusting mechanism 72 between described shelf 70 front ends and vehicle frame (as seat pipe or Seat stay), the spacing of described shelf 70 front ends of described adjusting mechanism 72 movable adjustings and vehicle frame, for example it can be a moving screw 73, one end is connected on the vehicle frame, the other end and shelf 70 front ends are spirally connected, the mode that relies on spiral shell to change is adjusted the spacing of described shelf 70 front ends and vehicle frame, so that can producing angle, described shelf 70 change, so that shelf 70 are adjusted to and ground level (above-mentioned shelf also can combine enforcement with the glove basket).
Described adjusting mechanism 72 also can be as Figure 11 and shown in Figure 12, shelf 70 are established an adjustment rack 74, the rear end 741 of described adjustment rack 74 is connected in the rear end 701 of described shelf 70, and with described junction is that the center of circle turns described adjustment rack 74, and changes the angle angle of described adjustment rack 74 and described shelf 70.The front end of described adjustment rack 74 is established a rotating adjustment frame 75, described adjustment frame 75 has one first framework 751 and one second framework 752, the length of described second framework 752 is greater than described first framework 751, described adjustment frame 75 is to be connected in adjustment rack 74 with a rotation pivot 753, and can rotate switching, make first framework 751 or second framework 752 down.Has a plurality of adjustment hole 76 in described first framework 751 and described second framework 752.But the front end of described shelf 70 has the snap-on spare 77 of a resilient movement, but described snap-on spare 77 snap-ons go into wherein one to adjust hole 76, for example, when bicycle folding becomes shopping cart to use, conflict on ground because of roller 33, square neck is oblique forward to cause vehicle body, even this moment, described snap-on spare 77 snap-ons were gone in the adjustment hole 76 of the next position, draw high the front end of described adjustment rack 74, and make itself and ground maintenance level.
Multiple as Fig. 1, Folding Bicycle is respectively equipped with a magnetics 121,122 in the desired location of front fork and back vent, so that car body is when folding, two magneticss 121,122 adsorb with magnetic force, be behind the bicycle folding between the parallel relative front and back wheel in the left and right sides and can have relative bonded assembly positioning relation, the front-wheel beat moves and be beneficial to car body when preventing that car body from moving.In addition, a replicated structures 14 can the direction of bar be amounted to handlebar before vehicle frame, and therefore, the relative position of bar respectively is provided with a magnetics 123,124 before handlebar stem and vehicle frame, so that the handlebar that amount to the absorption location.
More than explanation is just illustrative for the utility model; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within the protection domain of the present utility model.
Claims (10)
1. collapsible shopping bicycle, described bicycle is provided with an auxiliary wheel (30) with one vehicle frame main shaft (10); It is characterized in that:
Described auxiliary wheel (30) comprises a seat of honour (31), a strut bar (32), at least one roller (33); The described seat of honour (31) is fixed on the described vehicle frame main shaft (10), and connects the top of described strut bar (32) with a rotary contact (321), and described strut bar (32) is provided with above-mentioned roller (33);
Described strut bar (32) can end it in a primary importance and a second place with described rotary contact (321) surely, and can switch mobile in the described primary importance and the described second place; Described primary importance is the rotary space that described strut bar (32) is interfered the crank (13) of described bicycle; The described second place is meant that described strut bar (32) breaks away from the rotary space of the crank (13) of described bicycle.
2. according to the described collapsible shopping bicycle of claim 1, it is characterized in that: the described seat of honour (31) have fixed part on (311) and fixed part (315) once; The described fixed part (311) of going up is fixed on the vehicle frame main shaft (10) of bicycle; Described fixed part (315) down is provided with above-mentioned rotary contact (321) to connect described strut bar (32); Described upward fixed part (311) and following fixed part (315) are the bending of a predetermined angular, make to be connected in the described strut bar (32) of fixed part (315) is down interfered the crank (13) of described bicycle when described primary importance rotary space, when the described second place, break away from the rotary space of the crank (13) of described bicycle.
3. according to the described collapsible shopping bicycle of claim 1, it is characterized in that: the described seat of honour (31) have one and are used for assisting described strut bar (32) to be positioned the strut bar location structure of the described primary importance or the described second place; Described strut bar location structure comprises that being located at the described seat of honour (31) is used for described strut bar (32) is formed the recessed or bump structure of mobile pause point; Each connects the two ends of a spring 34 the described seat of honour (31) and described strut bar (32) with a spring contact (316,322); The limit, the left and right sides at the described seat of honour (31) respectively has a side limiting section (312) that is used for limiting described strut bar (32) move angle.
4. according to the described collapsible shopping bicycle of claim 1, it is characterized in that: a rotating shaft (60) is established in the bottom of described strut bar (32), described rotating shaft (60) pivot connects a roller post (61), wherein, described strut bar (32) with roller post (61) contact surface on be provided with a groove (325), and in described groove (325), be provided with at least one knock hole (326), and a sheathed spring (327) is gone up in described rotating shaft (60), and roller post (61) contact surface is provided with at least one latch (62).
5. according to the described collapsible shopping bicycle of claim 4, it is characterized in that: described rotating shaft (60) pivot connects a roller post (61) and a Kickstand (63).
6. according to the described collapsible shopping bicycle of claim 5, it is characterized in that: the following ora terminalis of described strut bar (32) is lower than the lower edge profile of the fluted disc (80) of described bicycle.
7. according to the described collapsible shopping bicycle of claim 1, it is characterized in that: also comprise: shelf (70) are with the rotating two ends that are installed in the rear axle of described bicycle of two stands (71); One is used for adjusting the leaning angle of described shelf (70) with the front end bonded assembly adjusting mechanism (72) of described shelf (70); Described adjusting mechanism (72) is a moving screw (73), and an end of described moving screw (73) is connected in the vehicle frame of described bicycle, and the front end of the other end and described shelf (70) is spirally connected.
8. according to the described collapsible shopping bicycle of claim 1, it is characterized in that: also comprise: shelf (70) that are fixed on the vehicle frame of described bicycle with two stands (71), has an adjustment rack (74) on the described shelf (70), the rotating rear end that is connected in described shelf (70), the rear end of described adjustment rack (74), the front end of described adjustment rack (74) has one and adjusts frame (75), has a plurality of adjustment hole (76) in the described adjustment frame (75), the snap-on spare (77) that the adjustability that has the front end of described shelf (70) moves, described snap-on spare (77) but snap-on go into wherein one and adjust hole (76), and adjust the angle angle of described adjustment rack (74) and described shelf (70).
9. according to the described collapsible shopping bicycle of claim 1, it is characterized in that: also comprise: shelf (70) that are fixed on the vehicle frame of described bicycle with two stands (71), has an adjustment rack (74) on the described shelf (70), the rotating rear end that is connected in described shelf (70), the rear end of described adjustment rack (74), the front end of described adjustment rack (74) is established a rotating adjustment frame (75), described adjustment frame (75) has one first framework (751) and one second framework (752), and described adjustment frame (75) is to be connected in adjustment rack (74) with a rotation pivot (753); Has a plurality of adjustment hole (76) in described first framework (751) and described second framework (752); The snap-on spare (77) that the adjustability that has the front end of described shelf (70) moves, described snap-on spare (77) but snap-on go into wherein one and adjust hole (76), and adjust the angle angle of described adjustment rack (74) and described shelf (70).
10. according to the described collapsible shopping bicycle of claim 1, it is characterized in that: described bicycle is respectively equipped with a magnetics that can adsorb relatively (121,122) in the desired location of front fork and back vent; Described bicycle comprises the handle that can transfer, and the relative position of bar respectively is provided with a magnetics that can adsorb relatively (123,124) before the vertical rod of described handle and the vehicle frame of described bicycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201332413U CN201338695Y (en) | 2008-09-05 | 2008-09-05 | Foldable shopping bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201332413U CN201338695Y (en) | 2008-09-05 | 2008-09-05 | Foldable shopping bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201338695Y true CN201338695Y (en) | 2009-11-04 |
Family
ID=41234237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201332413U Expired - Fee Related CN201338695Y (en) | 2008-09-05 | 2008-09-05 | Foldable shopping bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201338695Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001397A (en) * | 2010-02-03 | 2011-04-06 | 娄懿珈 | Two-purpose vehicle capable of serving as shopping trolley and bicycle |
| CN106926955A (en) * | 2017-03-17 | 2017-07-07 | 宁波路尚新能源科技有限公司 | A kind of self-power generation type folding electric bicycle |
| CN108482551A (en) * | 2016-12-24 | 2018-09-04 | 陈勇 | A kind of folding bicycle increasing sliding wheel |
-
2008
- 2008-09-05 CN CNU2008201332413U patent/CN201338695Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001397A (en) * | 2010-02-03 | 2011-04-06 | 娄懿珈 | Two-purpose vehicle capable of serving as shopping trolley and bicycle |
| CN108482551A (en) * | 2016-12-24 | 2018-09-04 | 陈勇 | A kind of folding bicycle increasing sliding wheel |
| CN106926955A (en) * | 2017-03-17 | 2017-07-07 | 宁波路尚新能源科技有限公司 | A kind of self-power generation type folding electric bicycle |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20160905 |