CN220262969U - Anti-overturn bicycle trailer - Google Patents
Anti-overturn bicycle trailer Download PDFInfo
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- CN220262969U CN220262969U CN202321772921.0U CN202321772921U CN220262969U CN 220262969 U CN220262969 U CN 220262969U CN 202321772921 U CN202321772921 U CN 202321772921U CN 220262969 U CN220262969 U CN 220262969U
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- 238000009434 installation Methods 0.000 claims abstract description 8
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- 230000000694 effects Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
The utility model discloses an anti-overturn bicycle trailer, which comprises: the upper end of the supporting plate is fixedly provided with a protection plate, the middle side of the lower end of the supporting plate is connected with a replacement structure, the replacement structure comprises a limiting block, a fixed block, a connecting rod, a moving block and a movable rod, and a second pulley is arranged on the inner side of the replacement structure; the connecting wheel is arranged on the right side of the inside of the supporting plate, the upper side of the connecting wheel is connected with a fixed rod, the outer side of the left end of the connecting wheel is provided with an engagement wheel, the outer side of the engagement wheel is connected with a moving plate, and the outer side of the moving plate is rotationally connected with a first pulley; the fixed plate, its fixed mounting is in the left end of layer board, and the inside outside rotation of fixed plate is connected with the installation pole, the grip block is installed in the outside of installation pole, and the gag lever post is installed to the left end inboard of grip block. This prevent turning over bicycle trailer, conveniently install bicycle trailer on the bicycle, and conveniently change the front wheel of bicycle trailer.
Description
Technical Field
The utility model relates to the technical field of bicycle trailers, in particular to an anti-overturning bicycle trailer.
Background
The bicycle trailer is a body structure with a dragging effect, which is arranged at the rear of the bicycle, and mainly has the functions of placing objects and the like, and the anti-overturning structure is needed in the use process of the bicycle trailer, so that the use effect of the bicycle trailer is improved, for example:
chinese patent grant publication No. CN103832528B discloses an anti-rollover bicycle trailer, and relates to the field of bicycle trailers. The utility model solves the problem that children or pets are injured due to unstable gravity center and easy backward rollover of the bicycle trailer when the bicycle trailer goes up and down a slope. An anti-overturn bicycle trailer comprises a rear square pipe, a rear bracket square pipe, a bracket pipe and a bolt; the rear support square tube is arranged at the upstream of the support tube, inserted into the rear square tube and fixed through a bolt. The utility model has the advantages that the bracket assembly is added, so that the gravity center of the trailer is stable when the trailer is on a slope or stopped, the driving safety is greatly improved, the structure is simple, the anti-overturn effect can be achieved through simple operation, and the safety guarantee is provided for children and pets. The utility model is suitable for the traffic field.
The prior art solutions described above have the following drawbacks: when the bicycle trailer is prevented from being turned over, the support assembly is utilized to prevent the turning over, the installation effect of the common bicycle trailer is poor, and the front wheel of the bicycle trailer is not convenient to replace, so the utility model provides the anti-turning-over bicycle trailer to solve the problem.
Disclosure of Invention
The utility model aims to provide an anti-rollover bicycle trailer, which solves the problems that the installation effect of a common bicycle trailer is poor and the front wheel of the bicycle trailer is not convenient enough to replace by utilizing a bracket assembly to prevent rollover when the bicycle trailer is prevented from rolling over in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-overturning bicycle trailer comprises a supporting plate, wherein a protection plate is fixedly arranged at the upper end of the supporting plate, the middle side of the lower end of the supporting plate is connected with a replacement structure, the replacement structure comprises a limiting block, a fixed block, a connecting rod, a moving block and a movable rod, and a second pulley is arranged on the inner side of the replacement structure;
the connecting wheel is arranged on the right side of the inside of the supporting plate, the upper side of the connecting wheel is connected with a fixed rod, the outer side of the left end of the connecting wheel is provided with an engagement wheel, the outer side of the engagement wheel is connected with a moving plate, and the outer side of the moving plate is rotationally connected with a first pulley;
the fixed plate, its fixed mounting is in the left end of layer board, and the inside outside rotation of fixed plate is connected with the installation pole, the grip block is installed in the outside of installation pole, and the gag lever post is installed to the left end inboard of grip block.
Preferably, the fixing rod is connected with the fifth wheel in a threaded mode, and the fifth wheel is connected with the supporting plate in a rotating mode.
Preferably, the fifth wheel and the lug wheel are connected in a meshing manner, and the lug wheels are symmetrically distributed around the central line of the fifth wheel.
Preferably, the clamping blocks are connected with the fixing plate in a sliding mode, and the cross section of each clamping block is of an L-shaped structure.
Preferably, the clamping blocks are connected with the limiting rods in a threaded mode and are fixed.
Preferably, the fixed block is fixedly arranged on the middle side of the lower end of the supporting plate, the connecting rod is rotationally connected to the inside of the fixed block, the movable block is arranged on the outer side of the connecting rod, the movable rod is connected to the inner side of the movable block, and the limiting block is arranged on the inner side of the movable rod.
Preferably, the limiting block is connected with the fixed block in a sliding manner, and the limiting block is connected with the second pulley in a clamping manner.
Preferably, the limiting block is connected with the movable rod in a rotating mode, and the movable rod is vertically and symmetrically distributed about the central line of the limiting block.
Compared with the prior art, the utility model has the beneficial effects that: the anti-turning bicycle trailer is convenient for preventing the bicycle trailer from turning over, is convenient for installing the bicycle trailer on a bicycle, and is convenient for replacing the front wheel of the bicycle trailer;
1. the first pulley and the second pulley arranged outside the lower end of the supporting plate form a triangle, the supporting plate is prevented from turning over conveniently, the fixing rod is screwed on the upper side of the connecting wheel by rotating the fixing rod, the fixing rod is separated on the right side of the supporting plate, the connecting wheel is rotated on the right side of the supporting plate, the lug wheel meshed with the connecting wheel is rotated, the moving plate screwed with the lug wheel slides outwards, the moving plate drives the first pulley to move, the distance between the first pulleys is changed, and the supporting plate is prevented from turning over conveniently;
2. the fixing plate is arranged on the outer side of the bicycle, the mounting rod is rotated on the outer side of the left end of the fixing plate, the clamping block in threaded connection with the mounting rod is made to slide on the inner side of the left side of the fixing plate, the clamping block is further clamped and arranged on the rear side of the bicycle frame, the limiting rod is rotated, the limiting rod is made to be in threaded connection on the inner side of the left end of the clamping block, and therefore the limiting rod and the clamping block clamp the bicycle frame, and the supporting plate is convenient to install;
3. through rotating the connecting rod, make the connecting rod rotate in the inside outside of fixed block to make the movable block that is connected with connecting rod threaded connection slide to the outside, and then make the movable rod that is connected with the movable block rotation rotate, make the stopper that is connected with the movable rod rotation slide to the outside, thereby make the stopper separate in the outside of second pulley, conveniently change the second pulley.
Drawings
FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic top view of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present utility model;
FIG. 5 is a schematic side sectional view of the present utility model;
fig. 6 is an enlarged view of fig. 5C according to the present utility model.
In the figure: 1. a supporting plate; 2. a protection plate; 3. a moving plate; 4. a first pulley; 5. a second pulley; 6. a fixing plate; 7. a clamping block; 8. a fifth wheel; 9. a fixed rod; 10. a lug wheel; 11. a limit rod; 12. a mounting rod; 13. a limiting block; 14. a fixed block; 15. a connecting rod; 16. a moving block; 17. a movable rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a prevent turning over bicycle trailer, including, the fixed guard plate 2 that is fixed in layer board 1 upper end, and the lower extreme middle side of layer board 1 is connected with the change structure, the change structure includes stopper 13, fixed block 14, connecting rod 15, movable block 16 and movable rod 17, and the second pulley 5 is installed to the inboard of change structure, rotate the change structure, make the change structure separate in the outside of second pulley 5, conveniently change second pulley 5, fifth wheel 8 installs in layer board 1's inside right side, and the upside of fifth wheel 8 is connected with dead lever 9, fifth wheel 8's left end outside is installed and is connected with the lug wheel 10, and the outside of lug wheel 10 is connected with movable plate 3, and the outside rotation of movable plate 3 is connected with first pulley 4, form triangle-shaped through between first pulley 4 and the second pulley 5 that layer board 1 lower extreme outside is installed, conveniently prevent turning over layer board 1;
the fixed rod 9 is rotated, the fixed rod 9 is connected to the upper side of the fifth wheel 8, the fixed rod 9 is separated from the right side of the supporting plate 1, the fifth wheel 8 is rotated on the right side of the supporting plate 1, the lug wheel 10 connected with the fifth wheel 8 is rotated, the movable plate 3 connected with the lug wheel 10 is slid outwards, the movable plate 3 drives the first pulley 4 to move, the distance between the first pulleys 4 is changed, the supporting plate 1 is prevented from turning conveniently, the fixed plate 6 is fixedly installed at the left end of the supporting plate 1, the mounting rod 12 is rotatably connected to the outer side of the inside of the fixed plate 6, the clamping block 7 is installed on the outer side of the mounting rod 12, the limiting rod 11 is installed on the inner side of the left end of the clamping block 7, the fixed plate 6 is installed on the outer side of a bicycle, the mounting rod 12 is rotated on the outer side of the left end of the fixed plate 6, the clamping block 7 connected with the mounting rod 12 is slid on the inner side of the left side of the fixed plate 6, the clamping block 7 is clamped on the inner side of the frame 11, the limiting rod 11 is clamped on the left side of the frame 11, and the clamping block 11 is clamped on the inner side of the frame 11, and the clamping block 11 is convenient to clamp the frame and the frame 11 is clamped on the left side of the bicycle.
When the anti-rollover bicycle trailer is used, as shown in fig. 1, 5 and 6, the connecting rod 15 is rotated, so that the connecting rod 15 rotates outside the inside of the fixed block 14, the limiting block 13 is connected with the movable rod 17 in a rotating manner, and the movable rod 17 is vertically and symmetrically distributed about the central line of the limiting block 13, so that the movable block 16 in threaded connection with the connecting rod 15 slides outwards, the movable rod 17 in rotating connection with the movable block 16 rotates, the limiting block 13 is connected with the fixed block 14 in a sliding manner, and the limiting block 13 is connected with the second pulley 5 in a clamping manner, so that the limiting block 13 in rotating connection with the movable rod 17 slides outwards, and the limiting block 13 is separated outside the second pulley 5, thereby facilitating the replacement of the second pulley 5;
specifically, as shown in fig. 1, 3 and 4, the fixing plate 6 is mounted on the outer side of the bicycle, the mounting rod 12 is rotated, the clamping block 7 is connected with the fixing plate 6 in a sliding manner, the cross section of the clamping block 7 is in an L-shaped structure, the mounting rod 12 is rotated on the outer side of the left end of the fixing plate 6, the clamping block 7 in threaded connection with the mounting rod 12 slides on the inner side of the left side of the fixing plate 6, the clamping block 7 is clamped and mounted on the rear side of the bicycle frame, the clamping block 7 is connected with the limiting rod 11 in a threaded manner and is used for fixing the clamping block 7, the limiting rod 11 is rotated, the limiting rod 11 is in threaded connection on the inner side of the left end of the clamping block 7, and therefore the limiting rod 11 and the clamping block 7 clamp the bicycle frame, and the supporting plate 1 are convenient to mount;
specifically, as shown in fig. 1, fig. 2 and fig. 3, a triangle is formed between the first pulley 4 and the second pulley 5 mounted on the outer side of the lower end of the supporting plate 1, so that the supporting plate 1 is prevented from turning over, the fixing rod 9 and the connecting wheel 8 are connected in a threaded manner, the connecting wheel 8 and the supporting plate 1 are connected in a rotating manner, the fixing rod 9 is screwed on the upper side of the connecting wheel 8 through rotating the fixing rod 9, so that the fixing rod 9 is separated on the right side of the supporting plate 1, the connecting wheel 8 and the connecting wheel 10 are connected in a meshed manner, the connecting wheel 8 and the connecting wheel 10 are symmetrically distributed around the central line of the connecting wheel 8, the connecting wheel 8 is rotated on the right side of the supporting plate 1, so that the connecting wheel 10 connected with the connecting wheel 8 in a meshed manner is rotated, and the moving plate 3 connected with the connecting wheel 10 in a threaded manner slides outwards, so that the moving plate 3 drives the first pulley 4 to move, the distance between the first pulley 4 is changed, and the supporting plate 1 is prevented from turning over conveniently.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the utility model belongs to the prior art known to the person skilled in the art.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. An anti-rollover bike trailer, comprising:
the upper end of the supporting plate is fixedly provided with a protection plate, the middle side of the lower end of the supporting plate is connected with a replacement structure, the replacement structure comprises a limiting block, a fixed block, a connecting rod, a moving block and a movable rod, and a second pulley is arranged on the inner side of the replacement structure;
the connecting wheel is arranged on the right side of the inside of the supporting plate, the upper side of the connecting wheel is connected with a fixed rod, the outer side of the left end of the connecting wheel is provided with an engagement wheel, the outer side of the engagement wheel is connected with a moving plate, and the outer side of the moving plate is rotationally connected with a first pulley;
the fixed plate, its fixed mounting is in the left end of layer board, and the inside outside rotation of fixed plate is connected with the installation pole, the grip block is installed in the outside of installation pole, and the gag lever post is installed to the left end inboard of grip block.
2. An anti-rollover bike trailer as claimed in claim 1, wherein: the fixed rod is connected with the fifth wheel in a threaded mode, and the fifth wheel is connected with the supporting plate in a rotating mode.
3. An anti-rollover bike trailer as claimed in claim 2, wherein: the connecting wheel and the engagement wheel are connected in a meshing manner, and the engagement wheels are symmetrically distributed around the central line of the connecting wheel.
4. An anti-rollover bike trailer as claimed in claim 1, wherein: the clamping blocks are connected with the fixing plate in a sliding mode, and the cross section of each clamping block is of an L-shaped structure.
5. An anti-rollover bike trailer as defined in claim 4, wherein: the clamping blocks are connected with the limiting rods in a threaded mode and are fixed.
6. An anti-rollover bike trailer as claimed in claim 1, wherein: the fixed block is fixedly arranged on the middle side of the lower end of the supporting plate, the connecting rod is connected with the inside of the fixed block in a rotating mode, the moving block is arranged on the outer side of the connecting rod, the movable rod is connected with the inner side of the moving block, and the limiting block is arranged on the inner side of the movable rod.
7. The anti-rollover bike trailer as defined in claim 6, wherein: the limiting block is connected with the fixed block in a sliding mode, and the limiting block is connected with the second pulley in a clamping mode.
8. The anti-rollover bike trailer as defined in claim 6, wherein: the limiting block is connected with the movable rod in a rotating mode, and the movable rod is vertically symmetrically distributed on the central line of the limiting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321772921.0U CN220262969U (en) | 2023-07-07 | 2023-07-07 | Anti-overturn bicycle trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321772921.0U CN220262969U (en) | 2023-07-07 | 2023-07-07 | Anti-overturn bicycle trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220262969U true CN220262969U (en) | 2023-12-29 |
Family
ID=89318759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321772921.0U Active CN220262969U (en) | 2023-07-07 | 2023-07-07 | Anti-overturn bicycle trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220262969U (en) |
-
2023
- 2023-07-07 CN CN202321772921.0U patent/CN220262969U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |