CN106218684B - A kind of chassis folding device - Google Patents
A kind of chassis folding device Download PDFInfo
- Publication number
- CN106218684B CN106218684B CN201610763320.1A CN201610763320A CN106218684B CN 106218684 B CN106218684 B CN 106218684B CN 201610763320 A CN201610763320 A CN 201610763320A CN 106218684 B CN106218684 B CN 106218684B
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- chassis
- fixed
- connecting rod
- connector
- assembly
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The present invention relates to folding device more particularly to a kind of chassis folding devices；Including front pedal assembly, Backpedal assembly and seat chassis assembly；The front pedal assembly includes the first connector, horizontal locking pin and the first fixed frame, the Backpedal assembly includes the second fixed frame, the second connector, sliding sleeve, folds lock pin hook, support rod, and the seat chassis assembly includes slide bar, chassis, third connector and folds lock pin；First connector and second connector and the third connector are hinged.Chassis folding device disclosed in this invention, by the way that horizontal locking pin is arranged and folds lock pin, there is locking in expansion, folded state, and it locks and is arranged symmetrically, improve the safety coefficient on chassis, injury of the maloperation to human body is prevented, and during the motion, the chassis folding device stability is strong；It is linked by connecting rod ASSY and seat chassis assembly, can be realized seat chassis assembly and be lifted in parallel.
Description
Technical field
The present invention relates to folding device technical field more particularly to a kind of chassis folding devices.
Background technique
Four-wheel bassinet structure is mostly that chassis is not foldable and chassis can fold two types, and the effect that chassis folds is equal
To reduce occupied space volume, convenient for placing.The foldable carriage in chassis can only reduce occupied space in a folded configuration
Volume, cannot carry any weight, and use space is limited.Therefore, it is badly in need of inventing a kind of novel chassis folding device.
Summary of the invention
It is an object of the invention to: provide a kind of goods that can walk and carry constant weight on road in unfolded state
Object can also carry weight in folded state and reduce the chassis folding device of volume simultaneously.
The present invention provides following proposals:
A kind of chassis folding device, including front pedal assembly, seat chassis assembly, Backpedal assembly and connecting rod ASSY；
The front pedal assembly includes the first connector, horizontal locking pin and the first fixed frame, first connector pair
Setting is claimed to fix on first fixed frame, and with first fixed frame；The horizontal locking pin is arranged described first
On fixed frame, and fixed with first fixed frame；
The seat chassis assembly includes slide bar, chassis, third connector and folds lock pin, the both ends difference of the slide bar
It is fixed with the chassis, the third connector is symmetricly set on the chassis, and is fixed with the chassis, the fold latch
Pin is fixed with the chassis；The chassis is equipped with the lockpin hole matched with the horizontal locking pin；
The Backpedal assembly includes the second fixed frame, the second connector, the sliding sleeve connecting with the sliding bar and institute
It states and folds folding lock pin hook and support rod that lock pin hook matches, second connector is symmetricly set on to be fixed with described second
On frame, and fixed with second fixed frame；The support rod and second fixed frame are rotatablely connected, the sliding sleeve with it is described
Support rod rotation connection, the folding lock pin hook are installed on the sliding sleeve；
The connecting rod ASSY includes first connecting rod, connecting rod fixed mount and second connecting rod, one end of the first connecting rod and institute
One end and the connecting rod fixed mount for stating second connecting rod are hinged；The other end of the first connecting rod and first fixed frame are cut with scissors
It connects, the other end of the second connecting rod and second fixed frame are hinged；The connecting rod fixed mount is slidably connected with the chassis；
First connector and second connector and the third connector are hinged；The front pedal assembly passes through
First connector and the second connector and the Backpedal assembly are rotatablely connected, and the front pedal assembly is connected by described first
Part and the third connector and the seat chassis assembly are rotatablely connected, and the Backpedal assembly passes through second connector
It is rotatablely connected with the third connector and the seat chassis assembly, and passes through the support rod and the seat chassis assembly
Connection；
When the chassis folding device is when in a horizontal state, the horizontal locking pin is fixed with the lockpin hole, by institute
It states front pedal assembly and the seat chassis assembly is locked；
When the chassis folding device is in folded state, the folding lock pin is fixed with the folding lock pin hook, will
The Backpedal assembly and the seat chassis assembly are locked.
Preferably, the front pedal assembly further includes the 4th connector, and the 4th connector setting is solid described first
Determine on frame, and is fixed with first fixed frame；One end of the first connecting rod and one end of the second connecting rod and the company
Bar fixed frame is hinged, and the other end of the first connecting rod and the 4th connection frame are hinged.
Preferably, the Backpedal assembly further includes hold-down support and support plate, and the hold-down support is solid with described second
Determine frame to fix, the support plate setting is fixed on the hold-down support, and with the hold-down support；The one of the second connecting rod
One end and the connecting rod fixed mount of end and the first connecting rod are hinged, and the other end of the second connecting rod and the support plate are cut with scissors
It connects.
Preferably, the seat chassis assembly further includes guide rail and sliding block, and the guide rail is fixed with the chassis, the cunning
Block is slidably connected with the guide rail；The connecting rod fixed mount setting on the slide block, and is fixed with the sliding block.
Preferably, the seat chassis assembly further includes supporting beam, and the both ends of the supporting beam are solid with the chassis respectively
It is fixed.
Preferably, the Backpedal assembly further includes supporting block, and the supporting block is arranged on second fixed frame, and
It is fixed with the second fixed frame, for working as the chassis folding device support when in a horizontal state to the seat chassis.
Preferably, the seat chassis assembly further includes the first slide bar support and the second slide bar support, first slide bar
Support and the second slide bar support are arranged on the chassis, and are fixed respectively with the chassis；The both ends of the slide bar
It is fixed respectively with the first slide bar support and the second slide bar support.
Preferably, the quantity for folding lock pin is two, and each folding lock pin is symmetricly set on second slide bar
The two sides of support, and fixed respectively with the second slide bar support.
Preferably, the quantity of the horizontal locking pin is two, and each horizontal locking pin is symmetricly set on described first
On fixed frame.
Preferably, the quantity of the connecting rod ASSY is two, and each connecting rod ASSY is symmetricly set on the seat chassis
The two sides of assembly.
It is that the present invention generates the utility model has the advantages that
1, chassis folding device disclosed in this invention in expansion, is folded by the way that horizontal locking pin is arranged and folds lock pin
There is locking when state, and lock and be arranged symmetrically, improves the safety coefficient on chassis, it is therefore prevented that wound of the maloperation to human body
Evil, and during the motion, the chassis folding device stability is strong；
2, it is linked by connecting rod ASSY and seat chassis assembly, can be realized seat chassis assembly and be lifted in parallel.
Detailed description of the invention
Fig. 1 is the horizontality structural schematic diagram of chassis folding device of the invention；
Fig. 2 is the folded state structural schematic diagram of chassis folding device of the invention；
Fig. 3 is the structural schematic diagram of front pedal assembly of the invention；
Fig. 4 is the structural schematic diagram of seat chassis assembly of the invention；
Fig. 5 is the structural schematic diagram of Backpedal assembly of the invention；
Fig. 6 is the structural schematic diagram of connecting rod ASSY of the invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Referring to figure 1 and figure 2, a kind of chassis folding device, including front pedal assembly 1, seat chassis assembly 2, post legged
Plate assembly 3 and connecting rod ASSY 4；The quantity of the connecting rod ASSY is two, and each connecting rod ASSY is symmetricly set on the seat
The two sides of chassis assembly.
Shown in Figure 3, the front pedal assembly includes the first connector 101, horizontal locking pin 103 and the first fixed frame
102, first connector is symmetricly set on first fixed frame, and is fixed with first fixed frame；The level
Locking pin setting is fixed on first fixed frame, and with first fixed frame；
Shown in Figure 4, the seat chassis assembly includes slide bar 201, chassis 203, third connector 204 and fold latch
Pin 207, the both ends of the slide bar are fixed with the chassis respectively, and the third connector is symmetricly set on the chassis, and
It is fixed with the chassis, the folding lock pin is fixed with the chassis；The chassis is equipped with to match with the horizontal locking pin
The lockpin hole of conjunction；
Shown in Figure 5, the Backpedal assembly includes the second fixed frame 303, the second connector 304 and the slide bar
The sliding sleeve 305 being slidably connected, the folding lock pin hook 306 and support rod 307 that match with the folding lock pin hook, described second connects
Fitting is symmetricly set on on second fixed frame, and is fixed with second fixed frame；The support rod and described second
Fixed frame rotation connection, the sliding sleeve and the support rod are rotatablely connected, and the folding lock pin hook is installed on the sliding sleeve；
Shown in Figure 6, the connecting rod ASSY includes first connecting rod 401, connecting rod fixed mount 402 and second connecting rod 403, institute
It states one end of first connecting rod and one end of the second connecting rod and the connecting rod fixed mount is hinged；The other end of the first connecting rod
Hinged with first fixed frame, the other end of the second connecting rod and second fixed frame are hinged；The connecting rod fixed mount
It is slidably connected with the chassis.
First connector described in the present embodiment and second connector and the third connector are hinged；The former riding
Plate assembly is rotatablely connected by the first connector and the second connector and the Backpedal assembly, and the front pedal assembly passes through institute
It states the first connector and the third connector and the seat chassis assembly is rotatablely connected, the Backpedal assembly passes through described
Second connector and the third connector and the seat chassis assembly are rotatablely connected, and pass through the support rod and the seat
The connection of chair chassis assembly；When the chassis folding device is when in a horizontal state, the horizontal locking pin and the lockpin hole are solid
It is fixed, the front pedal assembly and the seat chassis assembly are locked；When the chassis folding device is in folded state, institute
It states folding lock pin to fix with the folding lock pin hook, the Backpedal assembly and the seat chassis assembly is locked.
Shown in Figure 3, the front pedal assembly further includes the 4th connector 104, and the 4th connector is arranged in institute
It states on the first fixed frame, and is fixed with first fixed frame；One end of one end of the first connecting rod and the second connecting rod
Hinged with the connecting rod fixed mount, the other end of the first connecting rod and the 4th connection frame are hinged；The horizontal locking pin
Quantity be two, each horizontal locking pin is symmetricly set on first fixed frame.
Shown in Figure 5, the Backpedal assembly further includes hold-down support 301 and support plate 302, the hold-down support with
Second fixed frame is fixed, and the support plate setting is fixed on the hold-down support, and with the hold-down support；Described
One end of two connecting rods and one end of the first connecting rod and the connecting rod fixed mount are hinged, the other end of the second connecting rod and institute
It is hinged to state support plate.
Referring to fig. 4 and shown in Fig. 2, the seat chassis assembly further includes guide rail 202 and sliding block 208, the guide rail and institute
It states chassis to fix, the sliding block is slidably connected with the guide rail；Connecting rod fixed mount setting on the slide block, and with it is described
Sliding block is fixed；The seat chassis assembly further includes supporting beam 209, and the both ends of the supporting beam are fixed with the chassis respectively.
Shown in Figure 5, the Backpedal assembly further includes supporting block 308, and the supporting block setting is solid described second
Determine on frame, and is fixed with the second fixed frame, it is when in a horizontal state to the seat chassis for working as the chassis folding device
Support.
Shown in Figure 4, the seat chassis assembly further includes the first slide bar support 205 and the second slide bar support 206, institute
It states the first slide bar support and the second slide bar support is arranged on the chassis, and fixed respectively with the chassis；It is described
The both ends of slide bar are fixed with the first slide bar support and the second slide bar support respectively；The quantity for folding lock pin is two
It is a, each two sides for folding lock pin and being symmetricly set on the second slide bar support, and it is solid with the second slide bar support respectively
It is fixed.
Chassis folding device described in the present embodiment, by the way that horizontal locking pin is arranged and folds lock pin, in expansion, rugosity
There is locking when state, and lock and be arranged symmetrically, improves the safety coefficient on chassis, it is therefore prevented that wound of the maloperation to human body
Evil, and during the motion, the chassis folding device stability is strong；It is linked by connecting rod ASSY and seat chassis assembly,
It can be realized seat chassis assembly to be lifted in parallel.
The basic functional principle of the present embodiment are as follows: in the deployed state, the front pedal assembly and the Backpedal assembly
Limited by the connection of third connector in seat chassis assembly and keep horizontal, and by horizontal locking pin locked make its
It is not folded when unfolded state；In a folded configuration, the front pedal assembly, the connecting rod ASSY linkage are pulled, and is pushed
The seat chassis assembly is lifted it in parallel, slides on the slide bar for sliding over the seat chassis assembly, described
Support rod on Backpedal assembly rotates under the traction of sliding sleeve relative to articulated shaft, the fold latch when folding into design angle
Tight pin automatically lock, guarantees that folded state is stablized, and can bear certain weight, opens manually when needing to restore horizontality
Folding locking pin makes it be restored to horizontality, the horizontal locking pin automatically lock.
In the present embodiment, the front pedal assembly connect limit by connector with the Backpedal assembly；Horizontal
Under state, guarantee the stability on chassis by the horizontal locking pin locked.The horizontal locking pin is arranged symmetrically on chassis both sides,
Chassis folds when preventing from malfunctioning a certain locking pin, and chassis folds when two locking pins open simultaneously；Connecting rod is total in folding process
At support seat chassis assembly linkage, it is lifted it in parallel；When folding into design angle, the folding locking pin of the sliding sleeve two sides
Automatically lock.The folding locking pin is arranged symmetrically on sliding sleeve both sides, and chassis, which folds, when preventing from malfunctioning a certain locking pin loses
Effect, chassis is restored to unfolded state when two locking pins open simultaneously；When folded state, the angle of support rod and horizontal plane is 85 °,
Stability under loading.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of chassis folding device, it is characterised in that: including front pedal assembly, seat chassis assembly, Backpedal assembly and company
Bar assembly；
The front pedal assembly includes the first connector, horizontal locking pin and the first fixed frame, and first connector is symmetrically set
It sets on first fixed frame, and is fixed with first fixed frame；The horizontal locking pin setting is fixed described first
On frame, and fixed with first fixed frame；
The seat chassis assembly include slide bar, chassis, third connector and fold lock pin, the both ends of the slide bar respectively with institute
Chassis is stated to fix, the third connector is symmetricly set on the chassis, and is fixed with the chassis, the folding lock pin with
The chassis is fixed；The chassis is equipped with the lockpin hole matched with the horizontal locking pin；
The Backpedal assembly includes the second fixed frame, the second connector, the sliding sleeve connecting with the sliding bar and the folding
The folding lock pin hook and support rod that folded lock pin hook matches, second connector are symmetricly set on and second fixed frame
On, and fixed with second fixed frame；The support rod and second fixed frame are rotatablely connected, the sliding sleeve and the branch
Strut rotation connection, the folding lock pin hook are installed on the sliding sleeve；
The connecting rod ASSY includes first connecting rod, connecting rod fixed mount and second connecting rod, one end of the first connecting rod and described
One end of two connecting rods and the connecting rod fixed mount are hinged；The other end of the first connecting rod and first fixed frame are hinged, institute
The other end and second fixed frame for stating second connecting rod are hinged；The connecting rod fixed mount is slidably connected with the chassis；
First connector and second connector and the third connector are hinged；The front pedal assembly passes through first
Connector and the second connector and the Backpedal assembly are rotatablely connected, the front pedal assembly by first connector and
The third connector and the seat chassis assembly are rotatablely connected, and the Backpedal assembly passes through second connector and institute
It states third connector and the seat chassis assembly is rotatablely connected, and connected by the support rod and the seat chassis assembly
It connects；
When the chassis folding device is when in a horizontal state, the horizontal locking pin is fixed with the lockpin hole, before described
Pedal assembly and the seat chassis assembly are locked；
When the chassis folding device is in folded state, the folding lock pin is fixed with the folding lock pin hook, will be described
Backpedal assembly and the seat chassis assembly are locked.
2. chassis folding device according to claim 1, it is characterised in that: the front pedal assembly further includes the 4th connection
Part, the 4th connector setting are fixed on first fixed frame, and with first fixed frame；The first connecting rod
One end and one end of the second connecting rod and the connecting rod fixed mount are hinged, and the other end of the first connecting rod and the described 4th connects
It is hinged to connect frame.
3. chassis folding device according to claim 2, it is characterised in that: the Backpedal assembly further includes hold-down support
And support plate, the hold-down support are fixed with second fixed frame, the support plate is arranged on the hold-down support, and with
The hold-down support is fixed；One end of the second connecting rod and one end of the first connecting rod and the connecting rod fixed mount are hinged,
The other end of the second connecting rod and the support plate are hinged.
4. chassis folding device according to claim 3, it is characterised in that: the seat chassis assembly further include guide rail and
Sliding block, the guide rail are fixed with the chassis, and the sliding block is slidably connected with the guide rail；The connecting rod fixed mount is arranged in institute
It states on sliding block, and is fixed with the sliding block.
5. chassis folding device according to claim 4, it is characterised in that: the seat chassis assembly further includes support
Beam, the both ends of the supporting beam are fixed with the chassis respectively.
6. chassis folding device according to claim 5, it is characterised in that: the Backpedal assembly further includes supporting block,
The supporting block setting is fixed on second fixed frame, and with the second fixed frame, at the chassis folding device
To the support of the seat chassis when horizontality.
7. chassis folding device according to claim 6, it is characterised in that: the seat chassis assembly further includes first sliding
Rod bearing and the second slide bar support, the first slide bar support and the second slide bar support are arranged on the chassis, and
It is fixed respectively with the chassis；The both ends of the slide bar are solid with the first slide bar support and the second slide bar support respectively
It is fixed.
8. chassis folding device according to claim 7, it is characterised in that: the quantity for folding lock pin is two, respectively
The folding lock pin is symmetricly set on the two sides of the second slide bar support, and fixes respectively with the second slide bar support.
9. chassis folding device according to claim 8, it is characterised in that: the quantity of the horizontal locking pin is two,
Each horizontal locking pin is symmetricly set on first fixed frame.
10. chassis folding device according to claim 9, it is characterised in that: the quantity of the connecting rod ASSY is two, respectively
The connecting rod ASSY is symmetricly set on the two sides of the seat chassis assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610763320.1A CN106218684B (en) | 2016-08-30 | 2016-08-30 | A kind of chassis folding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610763320.1A CN106218684B (en) | 2016-08-30 | 2016-08-30 | A kind of chassis folding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106218684A CN106218684A (en) | 2016-12-14 |
| CN106218684B true CN106218684B (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610763320.1A Active CN106218684B (en) | 2016-08-30 | 2016-08-30 | A kind of chassis folding device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106218684B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994050B (en) * | 2016-12-23 | 2019-06-21 | 何淑琼 | A kind of medical treatment box device |
| CN106994047B (en) * | 2016-12-23 | 2019-03-05 | 马诗歌瑞生物科技江苏有限公司 | A kind of medical treatment box structure |
| CN107049668B (en) * | 2017-05-15 | 2022-03-15 | 河北工业大学 | Lifting seat mechanism for nursing robot |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6418773A (en) * | 1987-07-13 | 1989-01-23 | Chubu Unpan Giken Kk | Hand truck |
| US8888110B2 (en) * | 2011-11-15 | 2014-11-18 | Polymer Logistics (Israel) Ltd. | Pallet dolly |
| CN204264229U (en) * | 2014-10-30 | 2015-04-15 | 黄凯成 | Safety multipurpose hand barrow |
| CN204915984U (en) * | 2015-04-30 | 2015-12-30 | 曹建辉 | Multi -functional electronic folding luggage van of riding instead of walk |
| CN204998580U (en) * | 2015-08-28 | 2016-01-27 | 岳其飞 | Shallow of improved generation turnover case |
| CN105416482B (en) * | 2016-01-12 | 2019-04-19 | 天津市海集砗汇科技有限公司 | Folding electric-tricycle |
| KR101650781B1 (en) * | 2016-06-14 | 2016-08-24 | 여신동 | Hand cart of two floor |
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2016
- 2016-08-30 CN CN201610763320.1A patent/CN106218684B/en active Active
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|---|---|
| CN106218684A (en) | 2016-12-14 |
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