CN1706713A - Bicycle trailer with foldable awning frame - Google Patents
Bicycle trailer with foldable awning frame Download PDFInfo
- Publication number
- CN1706713A CN1706713A CN 200510025741 CN200510025741A CN1706713A CN 1706713 A CN1706713 A CN 1706713A CN 200510025741 CN200510025741 CN 200510025741 CN 200510025741 A CN200510025741 A CN 200510025741A CN 1706713 A CN1706713 A CN 1706713A
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- bar
- underframe spare
- frame
- main frame
- underframe
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Abstract
The bicycle trailer with foldable awning frame includes one bottom frame unit, one awning frame pivoted to the bottom frame unit, and two telescopic rods pivoted between the awning frame and the bottom frame. By means of the telescopic rods, the main frame rod of the awning frame may set in one opening position, one limit position or one folding position optionally. When the main frame rod in the folding position, the telescopic rods may be in self-locking state for the folding and locating of the awning frame.
Description
Technical field
The invention relates to a kind of outfit utensil of bicycle, be meant the trailers on a kind of vehicle frame that is attached at bicycle especially with foldable awning frame.
Background technology
The modern society flourish gradually in industry and commerce and life is busy day by day, bicycle is the optimal selection of leisure holiday, motion, the best media of parent-child interaction especially.But, when desire utilizes bicycle to carry the child,, be on cycle frame, to link a trailer that can supply the child to take mostly based on considering of safety, traveling comfort for fear of the structural limitations of bicycle itself.
As shown in Figures 1 and 2, existing a kind of trailers (No. 5474316 patent case of US Patent) comprises a foundation unit 1, and is hubbed on paulin frame 2 and anchor clamps 3 on this foundation unit 1.This foundation unit 1 has a underframe spare 101, two and is articulated on this underframe spare 101 and the strut bar 102 and two that upwards protrudes out is hubbed at the articulated part 103 at these strut bar 102 tops respectively, this paulin frame 2 has one and is hubbed on the hanging stick 202 that main frame bar 201, on this underframe spare 101 is connected these main frame bar 201 1 rearward end, and utilize these hanging sticks 202 to be connected on these articulated parts 103, this paulin frame 2 is had with respect to this underframe spare 101 produce the function of folding.These anchor clamps 3 are to restraint clamping simultaneously to fix on wherein on a strut bar 102 and the institute corresponding hanging stick 202, and have the latch 302 that clamping plate 301 and can pass these clamping plate 301.
Again as shown in Figure 3, when desire is operated this paulin frame 2 with respect to the 101 generation foldings of underframe spare, must earlier these anchor clamps 3 self-supporting bars 102 be pulled down with hanging stick 202 joining places, and utilize these hanging sticks 202 to produce pivot, these strut bars 102 with respect to this underframe spare 101 generation pivots, just can make this paulin frame 2 reach the folding purpose with respect to these articulated parts 103.
Though this trailer has the function of folding in good time, expansion, when this paulin frame 2 is folding state by the deployed condition operation, still must pull down anchor clamps 3 earlier, again must anchor clamps 3 bundle clampings are fixed after the expansion, thus the suitable trouble of operation, and the paulin frame 2 after the folding does not have self-locking, positioning function.
In addition, No. 5577746 patent case of US Patent, though but also have the function of paulin frame folding, also can't lock-bit after the folding.
Summary of the invention
Therefore, the trailers with foldable awning frame of lock-bit promptly is provided when providing a kind of setting that utilizes two extension stems can make a paulin frame at a stowed position the present invention's purpose.
Therefore, the trailers with foldable awning frame of lock-bit promptly is provided when providing a kind of setting that utilizes two extension stems can make a paulin frame at a stowed position the present invention's purpose.
So the present invention has the trailers of foldable awning frame, comprise a foundation unit, and be hubbed on paulin frame and at least one extension stem that is articulated between this paulin frame and this foundation unit on this foundation unit.This foundation unit has a underframe spare, two wheel bodys and that are located on this underframe spare are articulated in the connecting piece on this underframe spare, the rearward end, two that this underframe spare has a leading section that articulates for this connecting piece, an opposite setting with this leading section between this forward and backward end and confession these take turns wheel axial region that axon establishes and at least one pair of should wait wheel axial region and locating rack protruding upward, this locating rack has the articulated section of being located at the top.This paulin frame has a main frame bar that is hubbed on this underframe spare, this main frame bar is the U type, and have a pivot joint end and that is articulated in end before this underframe spare and be the gripping end of opposite setting with this pivot joint end, this holding end portion is positioned at this underframe spare top, end afterwards, and the gripping end of this main frame bar can change by the end position of stowed position and between this full open position of coupler and this stowed position of end after a full open position of coupler, that is away from end after this underframe spare levels off to this underframe spare.This extension stem has one first rod member and second rod member along an axis and this mutual socket of first bar portion, this first rod member has one and is connected on this underframe spare and levels off to the bottom of this shaft, this second rod member has an opposite top ends that is provided with and is articulated in the inboard, gripping end of this main frame bar with this bottom, this first bar portion can produce flexible along this axis with respect to this second bar portion, and to full open position of coupler that should main frame bar, this is first years old, the end of two rod members, has a ultimate range between the top ends, to end position that should main framework, this is first years old, the end of two rod members, has a minor increment between the top ends, to stowed position that should main frame bar, this is first years old, the end of two rod members, have one between the top ends greater than this minor increment but less than an intermediate distance of this ultimate range.
By this, the present invention's paulin frame master frame bar all can obtain the location when full open position of coupler and stowed position, and when stowed position and can produce self-locking action, and the operation of folding, expansion quite easily and fast.
Description of drawings
About addressing other technologies content, characteristics and effect before the present invention, in the following detailed description that cooperates with reference to one of a graphic preferred embodiment, can clearly present.
Fig. 1 is the schematic perspective view of existing a kind of trailers;
Fig. 2 is the schematic perspective view that one of this kind trailers articulates the position;
Fig. 3 is the folding scheme drawing of this kind trailers;
Fig. 4 is a front elevation, illustrates that the present invention has a preferred embodiment of the trailers of foldable awning frame;
Fig. 5 is one of the above-mentioned preferred embodiment of a present invention birds-eye view;
Fig. 6 is one of the above-mentioned preferred embodiment of a present invention lateral plan;
Fig. 7 is that scheme drawing is finished in one of the above-mentioned preferred embodiment of the present invention folding, and the gripping end that a paulin frame is described levels off to a underframe spare; And
Fig. 8 is one of above-mentioned preferred embodiment of the present invention operational motion scheme drawing, illustrates that the gripping end of this paulin frame can change at a full open position of coupler, the end position of a stowed position and between this full open position of coupler and this stowed position.
The specific embodiment
As Fig. 4, Fig. 5 and shown in Figure 6, the present invention has the trailers preferred embodiment of foldable awning frame, comprises a foundation unit 10, and is hubbed on paulin frame 20, two on this foundation unit 10 and is articulated in an extension stem 30 and an awning 40 between this paulin frame 20 and this foundation unit 10.
This foundation unit 10 has a underframe spare 11 that is the hollow ring frame shape, two wheel bodys 12 and that are located on this underframe spare 11 are articulated in the connecting piece 13 on this underframe spare 11.This underframe spare 11 has wheel axial region 113 that a leading section 111, establishes with the rearward end 112, two of these leading section 111 opposite settings and two and takes turns between axial region 113 and these rearward end 112 and locating rack 114 protruding upward at these between this forward and backward end 111,112 and for 12 of these wheel bodys, these locating racks 114 respectively have the articulated section 115 of being located at the top.This connecting piece 13 is to be attached at (figure does not show) on the vehicle frame of bicycle.
This paulin frame 20 has one and is hubbed on main frame bar 21 and on this underframe spare 11 and is articulated in carriage bar 22 on this main frame bar 21.This main frame bar 21 is the U type, and has the two pivot joint ends 211 and that are articulated in end 111 before this underframe spare 11 and articulate gripping end 212 between ends 211 between these, and this grippings end 212 is positioned at this underframe spare 11 112 tops, end afterwards.This carriage bar 22 also is the U type, and is articulated on this pivot joint end 211.
These extension stems 30 of present embodiment are to adopt air pressure rod, and respectively have one first rod member 31 and second rod member 32 along an axis L and the 31 mutual sockets of this first bar portion.This first rod member 31 has a bottom 311 that is articulated on the articulated section 115 of this underframe spare 11, this second rod member 32 have one with these bottom 311 opposite top ends 321 that are provided with and are articulated in 212 inboards, gripping end of this main frame bar 21, these first bar portion, 31 perseverances have the elastic force that stretches out towards these second bar portion, 32 outsides along this axis L.
This shelter 40 is to be coated on this paulin frame 20 and these foundation unit 10 outsides, and is subjected to supporting of this carriage bar 22 can reach expansion typing purpose.
For another example shown in Fig. 4 and Fig. 8 solid line, the main frame bar 21 of this paulin frame 20 is the full open position of coupler that are away from this underframe spare 11, at this moment, has a ultimate range D1 between the end of these extension stems 30, the top ends 311,321.And this awning 40 is to be subjected to the support of this paulin frame 20 and to be a support state, when the child rides in this trailer when inner, can utilize the paulin frame 20 and the awning 40 that support, and reach the purpose of covering.
When this paulin frame 20 and awning 40 desire foldings, the user can suppress downwards the gripping end 212 of this paulin frame 20, and make the gripping end 212 of this paulin frame 20 level off to the rearward end 112 of this underframe spare 11 gradually, shown in Fig. 8 imaginary line, when having a minor increment D3 between the end of these extension stems 30, the top ends 311,321, the main frame bar 21 of this paulin frame 20 is at an end position, and at this moment, the axis L of these extension stems 30 generally is parallel to horizontal surface.
And for example shown in Fig. 7 and Fig. 8 imaginary line, continue to suppress the gripping end 212 of this paulin frame 20 as the user, and when the gripping end 212 that makes this paulin frame 20 more levels off to the rearward end 112 of this underframe spare 11, then between the end of this first and second rod member 31,32, top ends 311,321, have one greater than this minor increment D3 but less than the intermediate distance D2 of this ultimate range D1, at this moment, the main frame bar 21 of this paulin frame 20 is at a stowed position, and form a self-locking action, this awning 40 also reaches the folding purpose along with this paulin frame 20.
And, utilize the effect of the intermediate distance D2 of these extension stems 30, make this main frame bar 21 when stowed position, be subjected to self-locking action and produce the location greater than this minor increment D3, when then this main frame bar 21 was positioned at this stowed position, arbitrarily backswing became this end position or this full open position of coupler.
When desire again this awning 40 to be reverted back to shielding status, should main frame bar 21 gripping end 212 when reverting back to full open position of coupler, the user need only bestow the pulling force that this gripping end 212 makes progress, and the end, the top ends 311,321 that overcome these extension stems 30 are transformed into this minor increment D3 by intermediate distance D2, and make when this main frame bar 21 is transformed into end position by stowed position, utilize these first bar portion, 31 perseverances to have the elastic force that stretches out towards these second bar portion, 32 outsides along this axis L and act on, just can revert back to the state shown in Fig. 4 and Fig. 8 solid line again.
Therefore, the present invention's paulin frame 20 main frame bars 21 all can obtain the location when full open position of coupler and stowed position, especially can produce self-locking action when stowed position, and the operation of folding, expansion quite easily and fast.
What deserves to be mentioned is that the above embodiment of the present invention is to be provided with these locating racks 114 on this foundation unit 10, but also these locating racks 114 can be set, and these articulated sections 115 directly directly are set on this underframe spare 11.Perhaps, two guide rods along length direction setting can be set on this underframe spare 11, and can be slided in the bottom 311 of these expansion links 30 with the operation of this paulin frame 20 along these guide rods, and when 21 on the main frame bar of this paulin frame 20 during at stowed position or this end position, bottom 311 can be supported and end on a locating point.(figure does not show)
The above person, only for the present invention's preferred embodiment, can not limit the scope of the invention process with this, promptly the simple equivalent of being done according to the present patent application claim and invention description content generally changes and modifies, and all still belongs in the scope that patent of the present invention contains.
Claims (4)
1. trailers with foldable awning frame is characterized by:
One foundation unit, have a underframe spare, two wheel bodys and that are located on this underframe spare are articulated in the connecting piece on this underframe spare, the rearward end, two that this underframe spare has a leading section that articulates for this connecting piece, an opposite setting with this leading section between this forward and backward end and confession these take turns the wheel axial region that axon is established;
One paulin frame, has a main frame bar that is hubbed on this underframe spare, this main frame bar is the U type, and have a pivot joint end and that is articulated in end before this underframe spare and be the gripping end of opposite setting with this pivot joint end, this holding end portion is positioned at this underframe spare top, end afterwards, and the gripping end of this main frame bar can change by the end position of stowed position and between this full open position of coupler and this stowed position of end after a full open position of coupler, that is away from end after this underframe spare levels off to this underframe spare; And
At least one extension stem, have one first rod member and second rod member along an axis and this mutual socket of first bar portion, this first rod member has one and is connected on this underframe spare and levels off to the bottom of this shaft, this second rod member has an opposite top ends that is provided with and is articulated in the inboard, gripping end of this main frame bar with this bottom, this first bar portion can produce flexible along this axis with respect to this second bar portion, and to full open position of coupler that should main frame bar, this is first years old, the end of two rod members, has a ultimate range between the top ends, to end position that should main framework, this is first years old, the end of two rod members, has a minor increment between the top ends, to stowed position that should main frame bar, this is first years old, the end of two rod members, have one between the top ends greater than this minor increment but less than an intermediate distance of this ultimate range.
2. the trailers with foldable awning frame according to claim 1, wherein, this extension stem is to adopt air pressure rod, and this first bar portion perseverance has the elastic force that stretches out towards this second bar portion outside along this axis.
3. the trailers with foldable awning frame according to claim 1 more includes one and is coated on this paulin frame outside and the exterior shelter of foundation unit.
4. the trailers with foldable awning frame according to claim 1, wherein foundation unit has more at least one pair of and should wait wheel axial region and locating rack protruding upward, and this locating rack has the articulated section of being located at the top and articulating for the bottom of this extension stem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510025741 CN1706713A (en) | 2005-05-11 | 2005-05-11 | Bicycle trailer with foldable awning frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510025741 CN1706713A (en) | 2005-05-11 | 2005-05-11 | Bicycle trailer with foldable awning frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1706713A true CN1706713A (en) | 2005-12-14 |
Family
ID=35580869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510025741 Pending CN1706713A (en) | 2005-05-11 | 2005-05-11 | Bicycle trailer with foldable awning frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1706713A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3431378A1 (en) | 2017-07-21 | 2019-01-23 | Croozer GmbH | Folding mechanism |
-
2005
- 2005-05-11 CN CN 200510025741 patent/CN1706713A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3431378A1 (en) | 2017-07-21 | 2019-01-23 | Croozer GmbH | Folding mechanism |
| DE102017116482A1 (en) | 2017-07-21 | 2019-01-24 | Croozer Gmbh | folding mechanism |
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