CN209336784U - Perambulator - Google Patents
Perambulator Download PDFInfo
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- CN209336784U CN209336784U CN201821740571.9U CN201821740571U CN209336784U CN 209336784 U CN209336784 U CN 209336784U CN 201821740571 U CN201821740571 U CN 201821740571U CN 209336784 U CN209336784 U CN 209336784U
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- vehicle frame
- rod
- mounting rack
- shaft
- axis
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- 230000008602 contraction Effects 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a kind of perambulators, its vehicle frame includes at least cradling piece, the mounting rack on the cradling piece turningly can be connected in front and back around the shaft, wherein the axial line of the shaft extends in left-right direction, front component and/or wheel assembly include the wheel connector with steering shaft and the wheel body below the wheel connector, the steering shaft can be pivotally connected on the mounting rack around self-axis line, the vehicle frame further includes the drive rod for driving the mounting rack to overturn before and after the shaft during conversion between unfolded state and folded state for the vehicle frame, when rod piece each on vehicle frame is relatively rotated to open vehicle frame or folding stand, drive mounting rack rotation that front component and/or wheel assembly is made to open or collapse with respect to cradling piece by drive rod, so that folded vehicle frame will not be because of front component The height of/wheel assembly and higher size is presented so that structure after vehicle frame folding is more compact, size further reduces.
Description
Technical field
The utility model relates to a kind of perambulators.
Background technique
The structure of such as children trolley perambulator is varied currently on the market, and structure species are various, and folding principle is also each
Not identical, folded size also has very big difference, and the size after how making Pram folding reduces as far as possible, is always
The target that this field research staff persistently pursues.Currently, most of perambulator is after folding, it is only that frame section is received
Folding, and wheel assembly is then the bottom that vehicle frame is erected in 7 fonts, the size after leading to Pram folding is still larger.
Summary of the invention
The shortcomings that the purpose of the utility model is to overcome the prior arts, front component can be by when providing a kind of vehicle frame folding
The perambulator of folding is overturn, to further decrease the size after Pram folding.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of perambulator, including with unfolded state with
The vehicle frame of folded state, the front component set on vehicle frame bottom front, and the wheel assembly set on vehicle frame bottom rear portion,
The vehicle frame includes at least cradling piece, turningly can be connected to the mounting rack on the cradling piece in front and back around the shaft, wherein institute
The axial line for stating shaft extends in left-right direction, and the front component and/or the wheel assembly include the wheel with steering shaft
Connector and the wheel body below the wheel connector, the steering shaft can be pivotally connected to the installation around self-axis line
On frame, the vehicle frame further includes driving the peace during conversion between unfolded state and folded state for the vehicle frame
The drive rod overturn before and after the shaft is shelved, when the vehicle frame is in unfolded state, the front component and/or described
Wheel assembly support is stood below the vehicle frame, and the steering shaft vertically extends；When the vehicle frame is in folded state,
The wheel connector is mutually drawn close with the cradling piece.
Preferably, the vehicle frame includes two side stands for being divided into the left and right sides, is had between two side stands
The median plane extended is erect, the axial line of the shaft is perpendicular to the median plane.
Preferably, the cradling piece is the chassis extended along the longitudinal direction, and the mounting rack is connected to by the shaft
The front and/or rear of the chassis, when the vehicle frame is in folded state, the wheel connector is collapsed at the bottom of the chassis
Portion.
Further, the mounting rack is connected to the front of the chassis, and the front component is installed on the mounting rack
On, the vehicle frame includes at least the front support rod extended from front to back to updip, and the lower pivot of the front support rod is connected to described
The one end of the front of chassis, the drive rod is pivotally connected on the mounting rack by first axle, the first axle and institute
The axial line for stating shaft is parallel to each other；The other end of the drive rod can either relatively rotate and can be along the front support rod
Length direction is slidably set on the front support rod.
Further, the lower part of the front support rod is pivotally connected in the front of the chassis by the second axis, and described second
Axis and the axial line of the shaft are parallel to each other.
Further, the chassis includes the preceding bottom bar being slidably connected along the longitudinal direction and rear bottom bar, and the vehicle frame also wraps
The push rod, back stay and connecting rod vertically extended is included, the top of the front support rod is rotationally connected to by third axis
On the push rod, the top of the lower part of the push rod and the back stay is rotatablely connected by the 4th axis, under the back stay
Portion is rotationally connected in the rear bottom bar by the 5th axis, and the front of the connecting rod is rotationally connected to institute by the 6th axis
The front and the rear part of bottom bar are rotationally connected on the back stay by the 7th axis before stating, the 6th axis and the shaft
Axial line be parallel to each other or collinearly.
Further, interlocking bar is additionally provided between the push rod and the front support rod, the one end of the interlocking bar is logical
It crosses the 8th axis to be rotationally connected on the push rod, the other end of the interlocking bar can either relatively rotate and can be along described
The length direction of front support rod is slidably set on the front support rod, and the interlocking bar and the drive rod are along the front support rod
Length extending direction is arranged with moving synchronously.
Further, the chassis includes the two foundation struts for being divided into the left and right sides and extending along the longitudinal direction,
The every bottom supporting rod includes the preceding bottom bar and rear bottom bar, and the mounting rack is set to the front end of the preceding bottom bar of two sides
Between portion；Correspondingly, the front support rod, push rod, back stay, connecting rod and drive rod, which all have, is divided into the two of the left and right sides
Group.
Further, the chassis includes at least the two foundation support for being divided into the left and right sides and extending along the longitudinal direction
Bar, the mounting rack are rotationally connected to the front of the bottom supporting rod around the shaft, and the front component is installed on the peace
It shelves；The rear portion of the every bottom supporting rod is equipped at least one set of wheel assembly, when the vehicle frame is in folded state
When, the wheel body of the front component is located in left-right direction between two bottom supporting rods, and before the wheel assembly
Side.
As a preferred embodiment, the mounting rack is foot pedal.
Due to the application of the above technical scheme, the utility model has the advantage that this is practical new compared with prior art
Mounting rack by the way that front component and/or wheel assembly to be mounted on mounting rack, and is rotationally connected to vehicle frame by the perambulator of type
It is driven when rod piece each on vehicle frame is relatively rotated to open vehicle frame or folding stand by drive rod the bottom of upper a certain cradling piece
It rotates mounting rack and front component and/or wheel assembly is made to open or collapse with respect to cradling piece, so that folded vehicle frame
Higher size will not be presented because of the height of front component and/or wheel assembly, so that the structure after vehicle frame folding is more
Compact, size further reduces.
Detailed description of the invention
Attached drawing 1 is the perspective view under the perambulator unfolded state of the present embodiment；
Attached drawing 2 is the perspective view under the perambulator semi-collapsed condition of attached drawing 1；
Attached drawing 3 is the side view of the perambulator of attached drawing 2；
Attached drawing 4 is another perspective view under the perambulator semi-collapsed condition of attached drawing 1；
Attached drawing 5 is the perspective view one under the Pram folding state of attached drawing 1；
Attached drawing 6 is the perspective view two under the Pram folding state of attached drawing 1；
Wherein: 1, chassis；100, bottom supporting rod；101, preceding bottom bar；102, rear bottom bar；2, mounting rack (foot pedal)；3, preceding branch
Bar；31, gliding groove；32, upper hopper chute；4, drive rod；5, back stay；6, connecting rod；7, push rod；71, lower push-rod；72, upper push-rod；
8, interlocking bar；9, pin shaft；
10, shaft；11, first axle；12, the second axis；13, third axis；14, the 4th axis；15, the 5th axis；16, the 6th axis；
17, the 7th axis；18, the 8th axis；19, sliding pin；20, front component；201, connector is taken turns；202, wheel body；30, wheel assembly.
Specific embodiment
The technical solution of the utility model is further elaborated in the following with reference to the drawings and specific embodiments.
Referring to Fig. 1 to perambulator shown in fig. 6, specially a kind of children trolley herein comprising there is unfolded state and folding
The vehicle frame of overlapping state, the wheel assembly 30 set on the front component 20 of vehicle frame bottom front and set on vehicle frame bottom rear portion.
The vehicle frame includes at least the chassis 1 extended along the longitudinal direction, turningly can be connected to chassis in 10 front and backs around the shaft
The mounting rack 2 of front, the axial line of shaft 10 extend in left-right direction.Vehicle frame is collateral with two for being divided into the left and right sides
Frame has the median plane erect and extended between two side stands, and the axial line of shaft 10 is perpendicular to the median plane, the present embodiment
In, the side stand of the left and right sides is symmetrically arranged about above-mentioned center face, that is, above-mentioned median plane is in the side stand of the left and right sides
The heart plane of symmetry.
Wheel assembly 30 is mounted on the rear portion of chassis 1；Front component 20 is mounted on mounting rack 2, specifically, front component
20 include the wheel connector 201 with steering shaft (not shown) and the wheel body 202 set on 201 lower section of wheel connector, takes turns connector 201
Top be mounted on the bottom of mounting rack 2, that is, steering shaft can be pivotally connected on mounting rack 2 around self-axis line, be made
Front component 20 can universal rotational and realize steering.
It further include driving mounting rack 2 during conversion between unfolded state and folded state for vehicle frame on the vehicle frame
The drive rod 4 that 10 front and backs are overturn around the shaft, when each rod piece on vehicle frame is relatively rotated to realize vehicle frame folding, drive rod 4 will
It drives mounting rack 2 to overturn and collapses it to the lower rotation of chassis 1, so that wheel connector 201 is collapsed in the bottom of chassis 1, have
Effect ground reduces the height dimension after vehicle frame folding；When each rod piece on vehicle frame is relatively rotated so that vehicle frame is unfolded, drive rod 4 is then driven
It overturns mounting rack 2 and front component 20 is opened with respect to chassis 1.
Referring to shown in Fig. 1 to Fig. 6, vehicle frame includes at least the front support rod 3 extended from front to back to updip, the front support rod 3
Lower pivot is connected to the front of chassis 1, and the one end of drive rod 4 is pivotally connected on mounting rack 2 by first axle 11, this
One axis 11 is parallel to each other with the axial line of shaft 10 and is not overlapped；The other end of drive rod 4 can either relatively rotate and can
Length direction along front support rod 3 is slidably set on front support rod 3 relatively.
In the present embodiment, the lower part of front support rod 3 is pivotally connected in the front of chassis 1, second axis 12 by the second axis 12
It is parallel to each other with the axial line of shaft 10 and is not overlapped mutually；The lower end of drive rod 4 is connected to mounting rack 2 by first axle 11
On, the upper end of drive rod 4 is rotatably provided with sliding pin 9, and the lower part of front support rod 3 is equipped with gliding groove 31, and sliding pin 9 is set with being slidably matched
In gliding groove 31.When vehicle frame folding, front support rod 3 rotates relative to chassis 1 and collapses, and drives drive rod 4 to rotate and then drives peace
2 overturnings are shelved, so that front component 20 is gradually collapsed in the bottom of chassis 1, as shown in Fig. 4, Fig. 5, Fig. 6.Similarly, work as vehicle frame
When expansion, front support rod 3 just drives the rotation of drive rod 4 and mounting rack 2 is overturn, so that preceding with respect to 1 rotating opening of chassis
Wheel assembly 20 is unfolded.
Specifically, referring to shown in each attached drawing, in the vehicle frame of the present embodiment, chassis 1 includes two for being divided into the left and right sides
Bottom supporting rod 100, mounting rack 2 are the foot pedal between 100 front of two sides bottom supporting rod, and the rear portion of every foundation strut 100 is all provided with
There is at least one set of wheel assembly 30.
Referring to shown in Fig. 1 to Fig. 6, every foundation strut 100 includes the preceding bottom bar 101 that is slidably connected along the longitudinal direction with after
Bottom bar 102, herein, the rear portion of preceding bottom bar 101 are slidably threaded through in the front rod cavity of rear bottom bar 102.Each side in the left and right of vehicle frame
On in addition to front support rod 3 and drive rod 4, also there is push rod 7, back stay 5 and the connecting rod 6 vertically extended, preceding branch
The top of bar 3 is rotationally connected on push rod 7 by third axis 13, and the lower part of push rod 7 and the top of back stay 5 pass through the 4th axis
14 rotation connections, the 4th axis 14 are located at the lower section of third axis 13 on push rod 7；The lower part of back stay 5 passes through 15 turns of the 5th axis
Be connected in rear bottom bar 102 dynamicly, before the front of connecting rod 6 is rotationally connected to by the 6th axis 16 front of bottom bar 101 and
The rear part is rotationally connected on back stay 5 by the 7th axis 17, the 6th axis 16 can be parallel to each other with the axial line of shaft 10 or
Person presses the coaxial setting of the present embodiment, and the 7th axis 17 is on back stay 5 then between the 4th axis 14 and the 5th axis 15.
Push rod 7 is the structure that can be stretched along its length comprising the lower push-rod 71 and upper push-rod 72 of sliding extension connection,
The upper push-rod 72 of two sides is wholely set in downward opening U-shaped.Interlocking bar 8 is additionally provided between lower push-rod 71 and front support rod 3, it should
The upper end of interlocking bar 8 is rotationally connected on lower push-rod 71 by the 8th axis 18, and the lower end of interlocking bar 8 opposite can either turn
It is dynamic to be slidably set on front support rod 3 along the length direction of front support rod 3 again.Herein, the lower end of interlocking bar 8 is rotatably provided with
Sliding pin 19, the top of front support rod 3 are equipped with the upper hopper chute 32 extended along length direction, and sliding pin 19 is slidably plugged in upper hopper chute
In 32.In the present embodiment, sliding pin 19 is fixed to each other with sliding pin 9 and is arranged along the length extending direction synchronous slide of front support rod 3,
Length extending direction of the interlocking bar 8 with drive rod 4 along front support rod 3 is synchronously moved.
The vehicle frame is in unfolded state, as shown in Figure 1, the preceding bottom bar 101 of chassis 1 is opened up along its length with rear bottom bar 102
Open, front component 20 is supported on the front of chassis 1, and wheel assembly 30 is supported in the rear portion of chassis 1, the front support rod 3 of the same side with
Push rod 7 extends along same length direction, between bottom supporting rod 100, back stay 5 and connecting rod 6, bottom supporting rod 100, back stay 5 and preceding
Constitute stable triangular structure between strut 3, vehicle frame is with good stability and bearing capacity；From the side of vehicle frame
It sees, drive rod 4 is blocked by front support rod 3 and push rod 7 substantially with interlocking bar 8, and appearance is very succinct.
It is preceding to preceding overturning push rod 7 after push rod 7 is shunk along its length referring to fig. 2 to shown in Fig. 4 when folding the vehicle frame
Strut 3, back stay 5 and connecting rod 6 are rotated towards chassis 1 and are collapsed, and the preceding bottom bar 101 and rear bottom bar 102 of chassis 1 are along front and back
To contraction, meanwhile, under the rotary action of front support rod 3, drive rod 4 drives mounting rack 2 gradually to rotate backward receipts with respect to chassis 1
Hold together.Finally, push rod 7, front support rod 3, back stay 5 and connecting rod 6 are collapsed in the top of chassis 1, the rotation of front component 20 is collapsed
To the lower section of chassis 1, wherein wheel connector 201 is mutually drawn close with chassis 1, and wheel body 202 is then located between the bottom supporting rod 100 of two sides,
And it is located at the front of wheel assembly 30.Folded vehicle frame is as shown in Figure 5, Figure 6, and structure is very flat, and due to taking turns connector
201 are fully overturn to extending along the longitudinal direction, and the height dimension of front after vehicle frame folding is significantly reduced.Vehicle frame folding
It is also very simple with opening operation process, without since it is desired that increasing the folding of front component and increasing operating procedure, using very
It is convenient.
In other examples, mounting rack 2 can also be rotatablely connected by shaft 10 on other cradling pieces of vehicle frame,
And front component 20 is mounted on mounting rack 2, for vehicle frame during expansion is with folding, drive rod drives mounting rack 2 to rotate
It is overturn before and after axis 10, so that front component 20 is opened or collapsed with respect to cradling piece, so that folded vehicle frame will not be because of front-wheel
The height of component 20 and higher size is presented so that structure after vehicle frame folding is more compact, size further reduces.
In other some embodiments, after wheel assembly 30 can also be configured according to mode as above and made
Wheel assembly 30 can also reduce height in vehicle frame folding, further reduce the size after vehicle frame folding.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of perambulator, including the vehicle frame with unfolded state and folded state, the front component set on vehicle frame bottom front,
And the wheel assembly set on vehicle frame bottom rear portion, it is characterised in that: the vehicle frame include at least cradling piece, can be around the shaft
Front and back is turningly connected to the mounting rack on the cradling piece, wherein the axial line of the shaft extends in left-right direction, it is described
Front component and/or the wheel assembly include the wheel connector with steering shaft and the wheel body below the wheel connector, institute
Stating steering shaft can be pivotally connected on the mounting rack around self-axis line, and the vehicle frame further includes existing for the vehicle frame
The drive rod for driving the mounting rack to overturn during converting between unfolded state and folded state before and after the shaft, when
When the vehicle frame is in unfolded state, the front component and/or wheel assembly support are stood below the vehicle frame, and described turn
It is vertically extended to axis；When the vehicle frame is in folded state, the wheel connector is mutually drawn close with the cradling piece.
2. perambulator according to claim 1, it is characterised in that: the vehicle frame includes that two at left and right sides of being divided into are collateral
Frame has the median plane erect and extended between two side stands, and the axial line of the shaft is perpendicular to the median plane.
3. perambulator according to claim 1, it is characterised in that: the cradling piece is the chassis extended along the longitudinal direction, institute
The front and/or rear that mounting rack is connected to the chassis by the shaft is stated, when the vehicle frame is in folded state, institute
Wheel connector is stated to collapse in the bottom of the chassis.
4. perambulator according to claim 3, it is characterised in that: the mounting rack is connected to the front of the chassis, described
Front component is installed on the mounting rack, and the vehicle frame includes at least the front support rod extended from front to back to updip, before described
The lower pivot of strut is connected to the front of the chassis, and the one end of the drive rod is pivotally connected in described by first axle
On mounting rack, the axial line of the first axle and the shaft is parallel to each other；It the other end of the drive rod can either be opposite
Rotation can be slidably set on the front support rod again along the length direction of the front support rod.
5. perambulator according to claim 4, it is characterised in that: the lower part of the front support rod is pivotally connected in by the second axis
The front of the chassis, second axis and the axial line of the shaft are parallel to each other.
6. perambulator according to claim 4, it is characterised in that: the chassis includes the preceding bottom being slidably connected along the longitudinal direction
Bar and rear bottom bar, the vehicle frame further include the push rod, back stay and connecting rod vertically extended, the top of the front support rod
It is rotationally connected on the push rod by third axis, the top of the lower part of the push rod and the back stay is turned by the 4th axis
The lower part of dynamic connection, the back stay is rotationally connected in the rear bottom bar by the 5th axis, and the front of the connecting rod is logical
Cross that the 6th axis is rotationally connected to the front of the preceding bottom bar and the rear part is rotationally connected to the back stay by the 7th axis
On, the axial line of the 6th axis and the shaft is parallel to each other or collinearly.
7. perambulator according to claim 6, it is characterised in that: be additionally provided with linkage between the push rod and the front support rod
The one end of bar, the interlocking bar is rotationally connected on the push rod by the 8th axis, and the other end of the interlocking bar was both
Be relatively rotatable to each other and can be slidably set on the front support rod along the length direction of the front support rod, and the interlocking bar with
The drive rod is arranged with moving synchronously along the length extending direction of the front support rod.
8. perambulator according to claim 6, it is characterised in that: the chassis includes being divided into the left and right sides and along front and back
The two foundation struts that direction extends, the every bottom supporting rod include that the preceding bottom bar and rear bottom bar, the mounting rack are set to
Between the front end of the preceding bottom bar of two sides；Correspondingly, the front support rod, push rod, back stay, connecting rod and drive rod are equal
With two groups at left and right sides of being divided into.
9. perambulator according to claim 3, it is characterised in that: the chassis, which includes at least, is divided into the left and right sides and equal edge
The two foundation struts that front-rear direction extends, the mounting rack are rotationally connected to the front of the bottom supporting rod, institute around the shaft
Front component is stated to be installed on the mounting rack；The rear portion of the every bottom supporting rod is equipped at least one set of wheel assembly,
When the vehicle frame is in folded state, the wheel body of the front component is located in left-right direction between two bottom supporting rods,
And it is located at the front of the wheel assembly.
10. perambulator according to any one of claims 1 to 9, it is characterised in that: the mounting rack is foot pedal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740571.9U CN209336784U (en) | 2018-10-25 | 2018-10-25 | Perambulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740571.9U CN209336784U (en) | 2018-10-25 | 2018-10-25 | Perambulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209336784U true CN209336784U (en) | 2019-09-03 |
Family
ID=67746741
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821740571.9U Active CN209336784U (en) | 2018-10-25 | 2018-10-25 | Perambulator |
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| Country | Link |
|---|---|
| CN (1) | CN209336784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109367612A (en) * | 2018-10-25 | 2019-02-22 | 好孩子儿童用品有限公司 | Perambulator |
-
2018
- 2018-10-25 CN CN201821740571.9U patent/CN209336784U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109367612A (en) * | 2018-10-25 | 2019-02-22 | 好孩子儿童用品有限公司 | Perambulator |
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