CN204161420U - Foldable wheelbarrow - Google Patents
Foldable wheelbarrow Download PDFInfo
- Publication number
- CN204161420U CN204161420U CN201420548944.8U CN201420548944U CN204161420U CN 204161420 U CN204161420 U CN 204161420U CN 201420548944 U CN201420548944 U CN 201420548944U CN 204161420 U CN204161420 U CN 204161420U
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- knob
- rotation
- housing
- runner
- wheel support
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Abstract
A kind of foldable wheelbarrow, comprise front-wheel support, rear wheel support, lining bar assembly, side handrail, cliding seat, push rod, lockout mechanism, trailing cable and knob, also comprise the two road lockout mechanisms being combined with knob and arranging, described two road lockout mechanisms comprise housing, elastic rotation is arranged on the knob on housing, and the runner to be connected with housing into rotation, described runner is connected with trailing cable, described knob elastic rotation to be arranged on housing and the rotation of knob can drive the rotation of runner and and then affect trailing cable with the locking of the mechanism that unlocks, the rotation of described knob can be used for supporting described knob or being separated to control the rotation of knob with described knob.This two roads lockout mechanism improves the stability of foldable wheelbarrow, and Qie Gai bis-road lockout mechanism structure is simple, easy to operate.
Description
Technical field
The utility model relates to a kind of go-cart, more particularly, relates to a kind of go-cart with folder function.
Background technology
Go-cart is a kind of instrument common in daily life, such as, go-cart for doing shopping, more such as the go-cart etc. of sitting of lying for infant.Storage during for the ease of carrying and not using, such as baby stroller, be set to folding usually.By go-cart is folded up, to reduce the space that go-cart needs to take.
Existing foldable wheelbarrow is arbitrarily changed for preventing the state of foldable wheelbarrow by arranging lockout mechanism, also arranges two road lockout mechanisms simultaneously, prevents this lockout mechanism from being triggered by unexpected factor and removing.But existing two road lockout mechanism complex structures, and operation inconvenience.
Utility model content
The utility model aims to provide a kind of foldable wheelbarrow with two road lockout mechanisms, and Qie Gai bis-road lock mechanism operative is convenient, and structure is simple.
A kind of foldable wheelbarrow, comprise front component, wheel assembly, front-wheel support, rear wheel support, lining bar assembly, side handrail, cliding seat, push rod, lockout mechanism, trailing cable and knob, front component is connected on front-wheel support, wheel assembly is connected on rear wheel support, lining bar assembly and front-wheel support, cliding seat is all rotationally connected, push rod and side handrail, cliding seat is all rotationally connected, side handrail simultaneously also with front-wheel support, rear wheel support is rotationally connected, cliding seat to be movably set on rear wheel support and to fix by lockout mechanism, described trailing cable connects knob and lockout mechanism, can be unlocked lockout mechanism by operation knob makes cliding seat can opposing rear wheels support-moving, this foldable wheelbarrow also comprises the two road lockout mechanisms being combined with knob and arranging, described two road lockout mechanisms comprise housing, elastic rotation is arranged on the knob on housing, and the runner to be connected with housing into rotation, described runner is connected with trailing cable, described knob elastic rotation to be arranged on housing and the rotation of knob can drive the rotation of runner and and then affect trailing cable, the rotation of described knob can be used for supporting described knob or being separated to control the rotation of knob with described knob.
In certain embodiments, described knob comprises the supporting member be placed in housing and the operating parts be placed in outside housing, and described operating parts is for driving the rotation of supporting member.
In certain embodiments, described housing arranges locating part, for limiting the slewing area of knob.
In certain embodiments, described locating part comprises two, for limiting the slewing area on knob different directions in two rotation directions being separately positioned on knob.
In certain embodiments, described knob is arranged the groove that runner established by card, when described knob and described knob are supported, described groove is separated with runner, and when described knob is separated with described knob, described groove and runner are supported.
In certain embodiments, described knob arranges arc surface, described arc surface is used for engaging with described knob.
In certain embodiments, described housing comprises the upper cover and lower cover that be combined with each other, and form the space being used for accommodating runner, supporting member in described upper cover and lower cover, described knob portion exposes to outside this space.
Compared with prior art, the foldable wheelbarrow Zhong bis-road lockout mechanism that the utility model provides is by arranging supporting and disengaging of knob and knob, thus control knob can not arbitrarily be triggered, avoid the expansion of foldable wheelbarrow or collapse state to be changed by unexpected factor, improve the stability of foldable wheelbarrow.Qie Gai bis-road lockout mechanism structure is simple, easy to operate.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the perspective view of the foldable wheelbarrow of the utility model one embodiment.
Fig. 2 is the enlarged diagram of part-structure in Fig. 1.
Fig. 3 is the perspective exploded view of structure shown in Fig. 2.
Fig. 4 and Fig. 5 is the view of structure shown in Fig. 2 before unlocking, and illustrates with forward sight and backsight two different angles in each figure.
Fig. 6 and Fig. 7 is the view of structure shown in Fig. 2 after unlocking, and illustrates with forward sight and backsight two different angles in each figure.
Detailed description of the invention
In a specific embodiment, be described for the structure and fuction of baby stroller to foldable wheelbarrow provided by the utility model.
As shown in Figure 1, this foldable wheelbarrow comprises front component 1, wheel assembly 10, front-wheel support 2, rear wheel support 9, lining bar assembly 3, side handrail 4, cliding seat 8, push rod 6, knob 5, and combine the lockout mechanism being arranged on cliding seat 8 place and (do not indicate in Fig. 1, to elaborate in conjunction with other accompanying drawings), (be not shown in detail in Fig. 1 in conjunction with being arranged on knob 5 Chu bis-road lockout mechanism, to elaborate in conjunction with other accompanying drawings), and connect the trailing cable 16 (Fig. 6 and Fig. 7) be arranged between knob 5 and lockout mechanism.
Front component 1 is connected on front-wheel support 2, wheel assembly 10 is connected on rear wheel support 9, cliding seat 8 is set on rear wheel support 9, lining bar assembly 3 and front-wheel support 2, cliding seat 8 are all rotationally connected, push rod 6 and side handrail 4, cliding seat 8 are all rotationally connected, and side handrail 4 is also rotationally connected with front-wheel support 2, rear wheel support 9 simultaneously.Composition graphs 2 and Fig. 3, cliding seat 8 can be fixed on the correct position (as shown in Figure 2) of rear wheel support 9 by this lockout mechanism, is in deployed condition to make this foldable wheelbarrow.By operation knob 5, drive trailing cable 16, the lockout mechanism at cliding seat 8 place is unlocked, thus cliding seat 8 can be made to move by opposing rear wheels support 9, cliding seat 8 opposing rear wheels support 9 moves towards wheel assembly 10, and meanwhile, push rod 6, side handrail 4, lining bar assembly 3, front-wheel support 2 and rear wheel support 9 all relatively rotate, angle between front-wheel support 2 and rear wheel support 9 is diminished, and final gathering in is collapse state.
Refer again to Fig. 1, this lining bar assembly 3 may be used for supporting parts such as placing seat.This foldable wheelbarrow also can comprise the fixed link 7 being combined with push rod 6 and arranging, and this fixed link 7 can strengthen the intensity of dependency structure.Also can in conjunction with other structures such as the moving bar pieces arranged for supporting sunshade block cloth on this fixed link 7.Understandably, according to the embody rule environment of this foldable wheelbarrow, other functors comprised in existing foldable wheelbarrow can be had, do not enumerate at this.
Described knob 5 can be arranged on the correct position of this foldable wheelbarrow, is convenient to user's operation.In one embodiment, this knob 5 is arranged on push rod 6, particularly, is arranged on the center of top of this push rod 6.
The utility model arranges two road lockout mechanisms at knob 5 place, and the locking to knob 5 by this two roads lockout mechanism lockable knob 5 and releasing, prevents false triggering knob 5 and make the state of foldable wheelbarrow that change beyong contemplation occur.
Yin Gai bis-road lockout mechanism is combined with knob 5 and arranges, and therefore in one embodiment, as shown in Fig. 6 and Fig. 7, this two roads lockout mechanism is arranged on the center of top place of push rod 6.
Elaborate below in conjunction with Fig. 2 to Fig. 7 Dui Gai bis-road lockout mechanism.As shown in Figures 2 and 3, described two road lockout mechanisms comprise housing, and housing combines and is arranged on this push rod 6.Housing comprises the upper cover 51 and lower cover 52 that be combined with each other, and form a receiving space in housing, this space is passed for push rod 6, also establishes in the inner for other components are accommodating.Be appreciated that in certain embodiments, this housing also can be divided into left and right two parts, and is formed the structure of accommodating associated components by the two-part combination in left and right.
This knob 5 elastic rotation is arranged on housing, and part exposes to outside the space of this housing, operates for user.In one embodiment, knob 5 realizes the setting of its elastic rotation by an extension spring 501.With reference to figure 4, this knob 5 is provided with a turning cylinder 502, and the elastic force that described extension spring 501 has can pull knob 5 to make knob 5 (shown in Fig. 4) rotation clockwise.The slewing area of this knob 5 limits by opening 521 size arranging housing, and as shown in Figures 4 and 5, knob 5 is supported at the edge of opening 521, makes stressed the reaching of knob 5 balance and be in a quiescence.Being appreciated that in certain embodiments, also arranging to the elastic rotation reaching knob 5 by arranging the modes such as torsion spring.
This two roads lockout mechanism also comprises elastic rotation and is arranged on knob 53 on housing and the runner 54 be connected with housing into rotation.Described runner 54 is connected with trailing cable 16, and the rotation of knob 5 can drive the rotation of runner 54 and and then affect trailing cable 16.In one embodiment, being arranged on, rear wheel support 9 is two lockout mechanisms, therefore correspondingly in one embodiment, as shown in Figure 3, runner 54 is also two, and is connected with corresponding trailing cable 16 respectively, makes corresponding trailing cable 16 control the rotation of corresponding unlock piece 17.
Please also refer to Fig. 4 and Fig. 5, the pulling force of extension spring 501 makes knob 5 not apply external force on runner 54, and thus runner 54 can not rotate, and then trailing cable 16 also can not move.Refer again to Fig. 6 and Fig. 7, if need rotating wheel 54, then by pressing knob 5, knob 5 is made to overcome the pulling force of extension spring 501, knob 5 is rotated, and engages with runner 54 in rotation process, and and then drive the rotation of runner 54, affect trailing cable 16 thus, reach the object of rotating unlock piece 17.
The rotation of described knob 53 can be used for supporting described knob 5 or being separated to control the rotation of knob 5 with described knob 5, when supporting knob 5, can prevent knob 5 from rotating, knob 5 can not be made to rotate even if now press knob 5, therefore can prevent false triggering knob 5 and rotate unlock piece 17.When knob 53 is separated with knob 5, then press knob 5 i.e. rotatable unlock piece 17.
As shown in Figure 4 and Figure 5, described knob 53 comprises operating parts 531 and supporting member 533.Described operating parts 531 is placed in outside housing, convenient operation.Described supporting member 533 to be placed in housing and for supporting with knob 5.Described operating parts 531 is fixedly connected with supporting member 533, for driving the rotation of supporting member 533.In one embodiment, a thread-forming screw 530 can be set, operating parts 531 and supporting member 533 are combined.
Described knob 53 is reached elastic rotation by a torsion spring 532 and is arranged.Be appreciated that in certain embodiments, knob 53 also reaches elastic rotation setting by arranging other modes such as extension spring.
The elastic force that this torsion spring 532 provides can make knob 53 and knob 5 support, be specially as shown in Figures 4 and 5, the elastic force that torsion spring 532 provides makes the supporting member 533 of knob 53 be positioned on the rotation path of knob 5, thus can support with knob 5, to prevent the rotation of knob 5.In one embodiment, the elastic force that can be provided by torsion spring 532 controls the limit that supporting member 533 rotates clockwise, in other words, the elastic force provided by torsion spring 532 controls the limit (also namely preventing knob 5 to be pressed rotation) rotating counterclockwise (shown in Fig. 4) of knob 5.In another embodiment, can locating part 534 be set on housing, to limit the slewing area of knob 53 more accurately.Further, also by arranging the concrete shape of housing, such as, the shape of the sidewall of lower cover 52 being set, making the sidewall of lower cover 52 namely for the locating part of the rotation as restriction knob 53.
Similarly, on other direction, also corresponding locating part can be set, for limiting the scope that supporting member 533 rotates counterclockwise.Further, also by arranging the concrete shape of housing, such as, the shape of the sidewall of lower cover 52 being set, making the sidewall of lower cover 52 namely for the locating part of the rotation as restriction knob 53.
In one embodiment, described knob 5 is arranged the groove 503 that runner 54 established by card, as shown in Figures 4 and 5, when described knob 53 is supported with described knob 5, described groove 503 is separated with runner 54, as in Fig. 6 and shown in Fig. 7, when described knob 53 is separated with described knob 5, described groove 503 is supported with runner 54.By arranging groove 503, when pressing knob 5, knob 5 can be restricted with the slewing area of runner 54, avoid excessively rotating knob 5.
In one embodiment, described knob 5 also can arrange an arc surface 504, described arc surface 504 is for engaging with described knob 53.This arc surface 504 can overlap with the rotary motion trace of the end of supporting member 533, and the end of supporting member 533 is rotated along arc surface 504, makes knob 53 be easy to be separated with knob 5.
Below the operation of composition graphs 4 to Fig. 7 Dui Gai bis-road lockout mechanism is described again.As shown in Figure 4 and Figure 5, supporting member 533 and the knob 5 of described knob 53 are supported, and thus knob 5 can not be pressed and rotate.To make knob 5 rotate, then need the operating parts 531 stirring knob 53, and make supporting member 533 rotate and depart from knob 5, as shown in figures 6 and 7.Press knob 5 more thus, runner 54 can be driven to rotate, and then drive trailing cable 16 to move, drive unlock piece 17 to rotate thus, and then unlock the lockout mechanism of foldable wheelbarrow, to realize the expansion of foldable wheelbarrow or to fold.
This two roads lockout mechanism by arranging supporting and disengaging of knob 53 and knob 5, thus controls knob 5 and can not arbitrarily be triggered, and avoids the expansion of foldable wheelbarrow or collapse state to be changed by unexpected factor, improves the stability of foldable wheelbarrow.Qie Gai bis-road lockout mechanism structure is simple, easy to operate.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be noted that; for the person of ordinary skill of the art, without departing from the concept of the premise utility, some distortion and improvement can also be made; as combined etc. the different characteristic in each embodiment, these all belong to protection domain of the present utility model.
Claims (7)
1. a foldable wheelbarrow, comprise front component, wheel assembly, front-wheel support, rear wheel support, lining bar assembly, side handrail, cliding seat, push rod, lockout mechanism, trailing cable and knob, front component is connected on front-wheel support, wheel assembly is connected on rear wheel support, lining bar assembly and front-wheel support, cliding seat is all rotationally connected, push rod and side handrail, cliding seat is all rotationally connected, side handrail simultaneously also with front-wheel support, rear wheel support is rotationally connected, cliding seat to be movably set on rear wheel support and to fix by lockout mechanism, described trailing cable connects knob and lockout mechanism, can be unlocked lockout mechanism by operation knob makes cliding seat can opposing rear wheels support-moving, it is characterized in that: also comprise the two road lockout mechanisms being combined with knob and arranging, described two road lockout mechanisms comprise housing, elastic rotation is arranged on the knob on housing, and the runner to be connected with housing into rotation, described runner is connected with trailing cable, described knob elastic rotation to be arranged on housing and the rotation of knob can drive the rotation of runner and and then affect trailing cable, the rotation of described knob can be used for supporting described knob or being separated to control the rotation of knob with described knob.
2. foldable wheelbarrow as claimed in claim 1, it is characterized in that: described knob comprises the supporting member be placed in housing and the operating parts be placed in outside housing, described operating parts is for driving the rotation of supporting member.
3. foldable wheelbarrow as claimed in claim 1, is characterized in that: described housing arranges locating part, for limiting the slewing area of knob.
4. foldable wheelbarrow as claimed in claim 3, is characterized in that: described locating part comprises two, for limiting the slewing area on knob different directions in two rotation directions being separately positioned on knob.
5. foldable wheelbarrow as claimed in claim 1, it is characterized in that: described knob is arranged the groove that runner established by card, when described knob and described knob are supported, described groove is separated with runner, when described knob is separated with described knob, described groove and runner are supported.
6. foldable wheelbarrow as claimed in claim 1, is characterized in that: described knob arranges arc surface, and described arc surface is used for engaging with described knob.
7. as the foldable wheelbarrow in claim 2-6 item as described in any one, it is characterized in that: described housing comprises the upper cover and lower cover that be combined with each other, form the space being used for accommodating runner, supporting member in described upper cover and lower cover, described knob portion exposes to outside this space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420548944.8U CN204161420U (en) | 2014-09-23 | 2014-09-23 | Foldable wheelbarrow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420548944.8U CN204161420U (en) | 2014-09-23 | 2014-09-23 | Foldable wheelbarrow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204161420U true CN204161420U (en) | 2015-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420548944.8U Active CN204161420U (en) | 2014-09-23 | 2014-09-23 | Foldable wheelbarrow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204161420U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106891986A (en) * | 2017-04-12 | 2017-06-27 | 中山市芘芘日用制品有限公司 | A kind of handle stem fold mechanism of perambulator |
| CN115056844A (en) * | 2022-06-13 | 2022-09-16 | 好孩子儿童用品有限公司 | Children's barrow |
-
2014
- 2014-09-23 CN CN201420548944.8U patent/CN204161420U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106891986A (en) * | 2017-04-12 | 2017-06-27 | 中山市芘芘日用制品有限公司 | A kind of handle stem fold mechanism of perambulator |
| CN115056844A (en) * | 2022-06-13 | 2022-09-16 | 好孩子儿童用品有限公司 | Children's barrow |
| CN115056844B (en) * | 2022-06-13 | 2024-02-27 | 好孩子儿童用品有限公司 | Child cart |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |