CN208308195U - A kind of Stair climbing device - Google Patents
A kind of Stair climbing device Download PDFInfo
- Publication number
- CN208308195U CN208308195U CN201820010176.9U CN201820010176U CN208308195U CN 208308195 U CN208308195 U CN 208308195U CN 201820010176 U CN201820010176 U CN 201820010176U CN 208308195 U CN208308195 U CN 208308195U
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- China
- Prior art keywords
- guide rail
- wheel
- riser
- traction
- roller
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Abstract
The utility model discloses a kind of Stair climbing devices, comprising: guide rail is installed in the banister and/or balustrade of stair, railcar, is slidably disposed on guide rail to transfer pedestrian and driving mechanism, driving railcar is mobile.Railcar includes riser, position limiting structure and folded sheet；Wherein, riser vertical display is slidably arranged on guide rail, and folded sheet is rotatably arranged on riser, and position limiting structure is located at holding folded sheet in the rotating range of folded sheet, keeps folded sheet static when parallel with stair tread.Guide rail includes main guide rail and secondary guide rail, and main guide rail is installed in above balustrade, and secondary guide rail is installed in banister, and the longitudinal section of secondary guide rail is frame-type structure；Railcar further comprises the main roller and secondary roller being installed on riser, and the installation site of main roller is adapted with main guide rail, and secondary roller is placed in sliding in secondary guide rail.Continuous action downstairs may be implemented, floor gap is not required to passenger or more.
Description
Technical field
The present invention relates to power-assisted stairway art field, a kind of especially Stair climbing device.
Background technique
Lower building is generally all not provided with elevator at present, upper downstairs very to expend physical strength.Some climbing machines in the prior art
Be generally located on metope, every interlayer be not it is continuous, passenger take after needing every section will upper and lower climbing machine, for living
The personage of legs and feet inconvenience in high rise zone, using being inconvenient.
Summary of the invention
The object of the present invention is to provide a kind of Stair climbing device, continuous action downstairs may be implemented, floor gap is not required to multiply
Above and below seat personnel.
Technical solution provided by the invention is as follows: a kind of Stair climbing device, comprising:
Guide rail is installed in the banister and/or balustrade of stair,
Railcar is slidably disposed on the guide rail to transfer pedestrian, and,
Driving mechanism drives the railcar mobile.
The technical program, guide rail are arranged in banister one end, can continuously be arranged between each floor, avoid taking
Personnel take need every section after will upper and lower Stair climbing device, it is convenient to use.
The railcar includes riser, position limiting structure and folded sheet；
Wherein, the riser vertical display, is slidably arranged on the guide rail, and the folded sheet is rotatably arranged on institute
It states on riser, the position limiting structure is located at folded sheet described in holding in the rotating range of the folded sheet, and the folded sheet is made to exist
It is static when parallel with stair tread.
The technical program, railcar are a folding mechanism, take up space smaller when not in use, will not influence stair
Normal use.On the other hand the requirement to installation space is also reduced, usage scenario is more extensive.
Preferably, the guide rail includes main guide rail and secondary guide rail, and the main guide rail is installed in above balustrade, the pair
Guide rail is installed in banister, and the longitudinal section of the pair guide rail is frame-type structure, and thereon includes towards stair side
Opening；
The railcar further comprises the main roller and secondary roller being installed on the riser, the installation of the main roller
Position is adapted with the main guide rail, and the secondary roller is placed in sliding in the secondary guide rail.
The technical program, using double-track mechanism, railcar is double rollers structure in combination, transfers the movement of pedestrian
Stability is higher, and safety is more preferable.
Specifically,
The first auxiliary wheel being adapted to inclined main guide rail or the first auxiliary buphthalmos are further provided on the riser
Wheel；
And/or；
The second auxiliary wheel being adapted to horizontal main guide rail or the second auxiliary buphthalmos are further provided on the riser
Wheel,
The technical program, auxiliary wheel are close to main guide rail rolling-operation, can increase stability when riser operation.
Further, Stair climbing device includes brake shoes, and the brake shoes activity is installed in side and the institute of the main roller
It is opposite to state main guide rail, and its lower surface includes groove structure compatible with the main guide rail shape.
Specifically, the main roller includes roller section and two guide parts, there are two the roller section two sides are separately connected
The guide part；
The roller section is resisted against sliding, the guide part above the main guide rail and is located at the two sides of the main guide rail
It is limited with main guide rail described in holding, the distance between described guide part is greater than the main guide rail width of corresponding position.
The technical program, main roller include that there are two guide parts, can be played centainly to traveling of the main roller on guide rail
Limit and guiding role, increase its up and down run stability, can also prevent railcar from falling off from main orbit.Main rolling simultaneously
Wheel has certain axial displacement space on main guide rail, is conducive to main roller and realizes turning action.
Preferably, the side that the secondary roller closes on banister is provided with buphthalmos wheel, and the secondary roller can be along the pair
The frame-type structure of guide rail moves axially.
The side of the technical program, secondary roller is opposite with secondary guide rail by buphthalmos wheel, and the top ball of buphthalmos wheel is close to
Secondary track interior walls roll, it can supporting track vehicle lower half is tilted to railing, can also be moved up and down together with railcar.
It preferably, further comprise traction rope and directive wheel, the guide wheel assemblies setting is described in stair corner
Traction rope is arranged between ground floor and attic through guide wheel assemblies guiding, and it is dynamic with it that the riser is fixed on the traction rope
Make；The driving mechanism is arranged on attic with traction rope described in folding and unfolding.
Preferably, the driving mechanism includes motor, traction wheel and auxiliary traction wheel, and the traction wheel is installed in the electricity
It is rotated on the output shaft of machine, the auxiliary traction wheel and traction wheel engaged transmission, the traction rope are successively wound around with S type
On the traction wheel and the auxiliary traction wheel.
The driving mechanism includes motor and traction wheel, and the traction wheel, which is installed on the output shaft of the motor, to be rotated,
The traction rope is looped around at least 1 circle on the traction wheel.
Specifically, the traction rope forms a closed loop between ground floor and attic.
It preferably, further comprise the secondary driving mechanism being arranged at ground floor, the both ends of the traction rope are respectively by the drive
Motivation structure and the secondary driving mechanisms control folding and unfolding.
It preferably, further comprise tensioning apparatus, the tensioning apparatus includes tensioning wheel, the first idler wheel and the second idler wheel,
The traction rope is on the first idler wheel described in S type successively diffraction, the tensioning wheel and second idler wheel, and the tensioning wheel
The distance of relatively described first idler wheel and second idler wheel is adjustable.
Preferably, for the riser towards connecting rod is fixed on the side of banister, the traction rope is fixed by snap
On to the connecting rod.
A kind of Stair climbing device provided by the invention, can bring it is following at least one the utility model has the advantages that
1, guide rail is arranged in banister one end, can continuously be arranged between each floor, passenger is avoided to take
Need every section after will upper and lower Stair climbing device, it is convenient to use.
2, railcar is a folding mechanism, is taken up space when not in use smaller, will not influence normally making for stair
With.On the other hand the requirement to installation space is also reduced, usage scenario is more extensive.
3, using double-track mechanism, railcar is double rollers structure in combination, transfers the action stability of pedestrian more
Height, safety are more preferable.
4, main roller includes that there are two guide parts, can play certain limit to traveling of the main roller on guide rail and lead
To effect, increase the stability of its uplink and downlink, can also prevent railcar from falling off from main orbit.Main roller is on main guide rail simultaneously
There is certain axial displacement space, is conducive to main roller and realizes turning action.
5, the side of secondary roller is opposite with secondary guide rail by buphthalmos wheel, and the top ball of buphthalmos wheel is close to secondary track interior walls
It rolls, it can supporting track vehicle lower half is tilted to railing, can also be moved up and down together with railcar.
Detailed description of the invention
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, to a kind of the above-mentioned of Stair climbing device
Characteristic, technical characteristic, advantage and its implementation are further described.
Fig. 1 is a kind of driving principle figure that railcar movement is driven using traction rope.
Fig. 2 is another driving principle figure that railcar movement is driven using traction rope.
Fig. 3 is the structural schematic diagram of turning directive wheel guiding traction rope rotation.
Fig. 4-a and Fig. 4-b is the planar structure schematic diagram of two kinds of driving structures.
Fig. 5 is the side structure schematic diagram of driving structure in Fig. 4-b.
Fig. 6 is the side structure schematic diagram of riser.
Fig. 7 is the structural schematic diagram that riser is placed on handrail and railing.
Fig. 8 is the planar structure schematic diagram of riser.
Fig. 9 is the overall structure diagram of Stair climbing device.
Figure 10 is the matching relationship schematic diagram of main roller and main guide rail.
Figure 11 is the action principle schematic diagram of brake shoes.
Figure 12 is the action principle schematic diagram of barrier sheet.
Figure 13 is the barrier sheet action principle schematic diagram of another angle.
Figure 14 is the attachment structure schematic diagram of seat board and pedal and riser.
Figure 15 is the structural schematic diagram that buckle is connect with traction rope.
Drawing reference numeral explanation: 100, balustrade, 110, banister, 200, main guide rail, 201, fixing bolt, 202, resistance
Baffle, 210, secondary guide rail, 220, directive wheel, 300, railcar, 310, riser, 311, connecting rod, 312, guide rod, 320, seat board,
321, pedal, 322, handrail, 323, touch sensor, 324, start button, 325, limit pull rod, 330, main roller, 331, pair
Idler wheel, the 332, first auxiliary wheel, the 333, second auxiliary wheel, 340, brake shoes, 341, foreign matter sensor, 351, guiding
Portion, 353, buphthalmos wheel, 400, driving mechanism, 401, motor, 402, traction wheel, 403, auxiliary traction wheel, 410, secondary driving mechanism,
420, tensioning apparatus, the 421, first idler wheel, the 422, second idler wheel, 423, tensioning wheel, 500, traction rope, 501, knot, 502, card
Button, 510, floor identifier.
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, Detailed description of the invention will be compareed below
A specific embodiment of the invention.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, and obtain other embodiments.
To make simplified form, part related to the present invention is only schematically shown in each figure, their not generations
Its practical structures as product of table.
Embodiment one
The present embodiment discloses a kind of Stair climbing device, comprising: guide rail, railcar 300 and driving mechanism 400, wherein guide rail
It is installed in the banister 110 or balustrade 100 of stair,
Railcar 300 is slidably disposed on guide rail to transfer passenger, and driving mechanism 400 drives railcar 300 along leading
The transfer that rail is mobile to be completed downstairs acts.Wherein, driving mechanism can be the power mechanism being arranged in railcar, and railcar is pressed
The movement of uplink and downlink is completed along guide rail according to programming.
In addition to this, referring to Fig.1 shown in, railcar 300 can be fixed on traction rope, stair corner add directive wheel with
Traction rope 500 is guided, traction rope 500 is guided in through directive wheel 220 to be arranged between ground floor and attic, and driving mechanism 400 is arranged
With folding and unfolding traction rope 500 on attic, and then drive 300 upstream or downstream of railcar.
Illustratively, as Figure 6-Figure 8, railcar 300 includes riser 310, position limiting structure, seat board 320 and pedal
321, seat board 320 is located at 321 top of pedal.310 vertical display of riser, is slidably arranged on guide rail, seat board 320 and pedal 321
It is rotatably arranged on riser 310, position limiting structure is located at holding in the rotating range of seat board 320 and pedal 321, makes seat board
320 and pedal 321 it is static when parallel with stair tread, seat board 320 and pedal 321 are in folded state in Fig. 6 and Fig. 7, fold
It puts and is fitted in 310 surface of riser, the arrow of curve shape indicates the direction of rotation of seat board 320 and pedal 321 in figure, along the song
After line rotation back seat plate 320 and pedal 321 are parallel with stair tread, the fit well pedal 321 of passenger, buttocks is placed on seat board 320
On.It of courses, one piece of rotatable plate structure on riser can be only set, the function of transfer passenger equally may be implemented.
Or turnover vertical handrail 322 is installed in riser upper end, referring to shown in Fig. 8, a start button is housed on handrail 322
324, start button 324 and driving mechanism communication connection, when passenger's started by press button 322, driving mechanism starts folding and unfolding and leads
Messenger 500.Illustratively, the limit pull rod 325 of the middle and upper part Figure 14 is respectively hinged on riser 310 and seat board 320, in figure
Limit function is realized when shown state.And the limit pull rod 325 of lower part is respectively hinged on riser 310 and pedal 321.
It is further preferred that the Stair climbing device of the present embodiment further includes the control mechanism for controlling railcar 300 and acting, and step on
Touch sensor 323, touch sensor 323 and control mechanism communication connection are provided on plate 321.Its role is to railcar fortune
When row, when there is sundries touch sensor at pedal edge, railcar is out of service.Railcar can trigger when being connected to automatically controlled signal
The rotation of plate 320 and pedal 321 or jackknife action.Control mechanism control folded sheet execute overturning to stair tread it is parallel and/
Or jackknife action.
Embodiment two
On the basis of example 1, as shown in figures 7 and 9, guide rail includes main guide rail 200 and secondary guide rail 210, main guide rail
200 are installed in 100 top of balustrade by fixing bolt 201, and secondary guide rail 210 is installed in banister 110, secondary guide rail
210 longitudinal section is frame-type structure, and thereon includes the opening towards stair side.Railcar 300 further comprises installing
Main roller 330 and secondary roller 331 on riser 310, the installation site of main roller 330 are adapted with main guide rail 200, can be
The top of main guide rail 200 rolls, and secondary roller 331 is placed in sliding in secondary guide rail 210, and secondary roller 331 passes through secondary guide rail frame-type knot
The opening of structure is connect with riser.Illustratively, the side that secondary roller 331 closes on banister 110 is provided with buphthalmos wheel 353, ox
Eye wheel top ball is close to secondary 210 inner wall of track and is freely rolled, and secondary roller 331 can axially be moved along the frame-type structure of secondary guide rail 210
It is dynamic.
Preferably, as shown in figures 7 and 9, the first auxiliary wheel 332 and the second auxiliary are further provided on riser 310
Idler wheel 333, the first auxiliary wheel 332 are adapted to inclined main guide rail 200, i.e., when riser 310 is in the staristep of inclination uplink and downlink
When traveling, the side that the first auxiliary wheel 332 withstands main guide rail 200 is rolled.Second auxiliary wheel 333 and horizontal main guide rail
200 adaptations, i.e., when riser 310 is when the staristep of horizontality is advanced, the second auxiliary wheel 333 is in the side of main guide rail 200
It rolls.The secondary roller 331 and buphthalmos that first auxiliary wheel 332 and the second auxiliary wheel 333 and cooperation slide on secondary guide rail 210
Wheel 353 plays the function of stable riser sliding movement jointly.Similar, the first auxiliary wheel 332 and the second auxiliary wheel 333 are also
It can be each configured to buphthalmos wheel.
Preferably, as shown in figures 9 and 11, Stair climbing device further includes brake shoes 340, and 340 activity of brake shoes is installed in master
The side of idler wheel 330 and main guide rail 200 are opposite, and its lower surface includes groove structure compatible with 200 shape of main guide rail.
When needing to carry out brake, brake shoes 340, which moves down, is fitted in 200 surface of main guide rail generation force of sliding friction, with resistance
Only railcar continues on, and certainly, when brake generally also needs to execute the movement for stopping driving mechanism driving together.
Preferably, shown in referring to figure 6 and figure 7, main roller 330 includes roller section and two guide parts 351, roller section two sides
Guide part 351 there are two being separately connected；Roller section is resisted against sliding above the main guide rail, and guide part 351 is located at leading
The two sides of rail 200 are limited with main guide rail 200 described in holding, and the distance between guide part 351 is greater than the master of corresponding position
200 width of guide rail.Be provided with guide rod 312 as shown in figure 9, also further fixing on riser 310, the lower end of guide rod 312 with
Guide part 351 on the outside of main roller connects, and riser top extends to riser top, keeps the connection of main roller and riser firmer.
Preferably, the foreign matter sensor 341 towards guide rail is provided in the railcar 300 as shown in Fig. 6, Fig. 7 and Fig. 9, with
Whether there is foreign matter that railcar is hindered to advance on detection guide rail.Foreign matter sensor 341 and 400 communication connection of driving mechanism；Work as foreign matter
Sensor 341 detects when having foreign matter on guide rail, and driving mechanism 400 stops driving railcar 300 and advances, before can also driving simultaneously
The decline of brake shoes 340 stated executes brake.
Preferably, as shown in figure 9, being additionally provided with floor identifier 510 on riser 310, floor identifier 510 and driving
Mechanism communication connection, floor where can measuring railcar, the advance floor inputted when being taken according to passenger instruct in specified building
Layer is stopped, and the decline of brake shoes 340 above-mentioned can also be driven to execute brake simultaneously.
Embodiment three
On the basis of embodiment one and embodiment two, as depicted in fig. 4-a, driving mechanism 400 includes motor 401 and leads
Running wheel 402, traction wheel 402, which is installed on the output shaft of motor 401, to be rotated, and traction rope is wound at least 1 circle on traction wheel 402,
Then the rotation of traction wheel 402 will drive traction rope 500 and be subjected to displacement, and then drive the railcar movement being connected with traction rope 500.
Driving mechanism can also take structure shown in Fig. 4-b and Fig. 5, and driving mechanism 400 includes motor 401, traction wheel 402 and auxiliary
Traction wheel 403 is helped, traction wheel 402, which is installed on the output shaft of motor 401, to be rotated, and auxiliary traction wheel 403 is nibbled with traction wheel 402
Transmission is closed, referring to fig. 5, traction wheel 402 is close with the mechanism of auxiliary traction wheel 403, includes being located at left side in figure
Meshing gear structure, and it is provided with positioned at the surface on right side the wheel construction of rope groove, traction rope 500 is successively wound around with S type and is led
On rope groove on running wheel 402 and auxiliary traction wheel 403.Traction wheel 402 is then driven when the motor rotates, and the engagement of traction wheel 402 passes
Dynamic auxiliary traction wheel 403, the spinning movement of two-wheeled will drive being subjected to displacement and then driving railcar 300 thereon dynamic for traction rope
Make.
The arrangement form of two kinds of driving structures is disclosed in the present embodiment, as shown in Figure 1, Stair climbing device only includes setting roof
On driving mechanism 400, traction rope 500 forms a closed loop between ground floor and attic.Then driving mechanism 400 can be received
Put the movement that traction rope 500 realizes railcar.For another driving structure referring to shown in Fig. 2, Stair climbing device only includes setting roof
On driving mechanism 400 and ground floor secondary driving mechanism 410, the both ends of traction rope 500 by driving mechanism 400 and secondary are driven respectively
Motivation structure 410 controls folding and unfolding.
It is further preferred that Stair climbing device further includes tensioning apparatus 420, tensioning apparatus 420 includes tensioning wheel 423, first
Idler wheel 421 and the second idler wheel 422, traction rope 500 is with S type successively the first idler wheel of diffraction 421, tensioning wheel 423 and the second idler wheel
On 422, and tensioning wheel 423 is adjustable with respect to the distance of the first idler wheel 421 and the second idler wheel 422.
Illustratively, as shown in Figure 1, Figure 2, shown in Fig. 6 and Figure 10, riser 310 is towards solid on the side of banister 110
Surely there is a connecting rod 311, on traction rope 500 to connecting rod 311, illustratively, as shown in Figure 15, the front end of connecting rod 311 is provided with buckle
502, two through-holes passed through for traction rope 500 are provided on buckle 502, two sections of traction ropes 500 card in a manner of knot respectively
It sets and realizes fixation on two through hole, further, two sections of traction ropes connections are to further realize fixation.The set binding of connecting rod 311
Traction rope 500 can be improved in structure and riser 310 involves the freedom degree of movement, facilitates the turning action of riser 310.Preferably, join
According to shown in Figure 12 and Figure 13,200 upper side of main guide rail is provided with barrier sheet 202, and barrier sheet 202 can be along 310 place plane of riser
Rotation；Traction rope 500 is located at the side that barrier sheet 202 closes on banister 110, then riser can be pushed away by the barrier sheet 202
To get out of the way access, riser can be normal through for dynamic barrier sheet rotation.And if traction rope 500 is launched because of failure to stair side,
Since barrier sheet 202 can only be in 310 place Plane Rotation of riser, then barrier sheet 202 can stop its movement, prevent event
Barrier or injury passenger.
It should be noted that above-described embodiment can be freely combined as needed.The above is only of the invention preferred
Embodiment, it is noted that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, several improvements and modifications can also be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (9)
1. a kind of Stair climbing device characterized by comprising
Guide rail is installed in the banister and/or balustrade of stair,
Railcar is slidably disposed on the guide rail to transfer pedestrian, and,
Driving mechanism drives the railcar mobile；Wherein,
The railcar includes riser, position limiting structure and folded sheet；The riser vertical display, is slidably arranged in the guide rail
On, the folded sheet is rotatably arranged on the riser, and the position limiting structure is located in the rotating range of the folded sheet
Folded sheet described in holding keeps the folded sheet static when parallel with stair tread.
2. Stair climbing device according to claim 1, it is characterised in that: the guide rail includes main guide rail and secondary guide rail, described
Main guide rail is installed in above balustrade, and the pair guide rail is installed in banister, and the longitudinal section of the pair guide rail is frame-type
Structure, and thereon include the opening towards stair side；
The railcar further comprises the main roller and secondary roller being installed on the riser, the installation site of the main roller
It is adapted with the main guide rail, the secondary roller is placed in sliding in the secondary guide rail.
3. Stair climbing device according to claim 2, it is characterised in that:
The first auxiliary wheel being adapted to inclined main guide rail or the first auxiliary buphthalmos wheel are further provided on the riser；
And/or；
The second auxiliary wheel being adapted to horizontal main guide rail or the second auxiliary buphthalmos wheel are further provided on the riser.
4. Stair climbing device according to claim 2, it is characterised in that: it further comprise brake shoes, the brake shoes activity
The side for being installed in the main roller is opposite with the main guide rail, and its lower surface includes compatible with the main guide rail shape
Groove structure.
5. Stair climbing device according to claim 2, it is characterised in that: the main roller includes roller section and two guiding
Portion, the roller section two sides are separately connected there are two the guide part；
The roller section is resisted against sliding, the guide part above the main guide rail and is located at the two sides of the main guide rail with card
The main guide rail limit is set, the distance between described guide part is greater than the main guide rail width of corresponding position.
6. Stair climbing device according to claim 2, it is characterised in that: the secondary roller closes on the side setting of banister
There is buphthalmos wheel, the secondary roller can be along the frame-type structure axial movement of the secondary guide rail.
7. -6 any Stair climbing device according to claim 1, it is characterised in that: further comprise traction rope and guiding
Wheel, directive wheel setting in stair corner, the traction rope through the directive wheel be guided in setting ground floor and attic it
Between, the riser is fixed on the traction rope with its movement；The driving mechanism is arranged on attic with traction rope described in folding and unfolding.
8. Stair climbing device according to claim 7, it is characterised in that:
The driving mechanism includes motor, traction wheel and auxiliary traction wheel, and the traction wheel is installed in the output shaft of the motor
Upper rotation, the auxiliary traction wheel and traction wheel engaged transmission, the traction rope are successively wound around the traction wheel with S type
On the auxiliary traction wheel；
Or；
The driving mechanism includes motor and traction wheel, and the traction wheel, which is installed on the output shaft of the motor, to be rotated, described
Traction rope is looped around at least 1 circle on the traction wheel.
9. Stair climbing device according to claim 7, it is characterised in that:
The traction rope forms a closed loop between ground floor and attic；
And/or；
It further comprise the secondary driving mechanism being arranged at ground floor, the both ends of the traction rope are respectively by the driving mechanism and described
Secondary driving mechanisms control folding and unfolding；
And/or；
Further comprise tensioning apparatus, the tensioning apparatus includes tensioning wheel, the first idler wheel and the second idler wheel, the traction rope with
S type is successively on the first idler wheel, the tensioning wheel and second idler wheel described in diffraction, and the tensioning wheel relatively described first
The distance of idler wheel and second idler wheel is adjustable；
And/or；
Towards connecting rod is fixed on the side of banister, the traction rope is fixed on the connecting rod riser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820010176.9U CN208308195U (en) | 2018-01-04 | 2018-01-04 | A kind of Stair climbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820010176.9U CN208308195U (en) | 2018-01-04 | 2018-01-04 | A kind of Stair climbing device |
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| CN208308195U true CN208308195U (en) | 2019-01-01 |
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| CN201820010176.9U Expired - Fee Related CN208308195U (en) | 2018-01-04 | 2018-01-04 | A kind of Stair climbing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002177A (en) * | 2018-01-04 | 2018-05-08 | 上海协印电子电路有限公司 | A kind of Stair climbing device |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002177A (en) * | 2018-01-04 | 2018-05-08 | 上海协印电子电路有限公司 | A kind of Stair climbing device |
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Granted publication date: 20190101 Termination date: 20200104 |