CN109552388A - A kind of mobile device - Google Patents
A kind of mobile device Download PDFInfo
- Publication number
- CN109552388A CN109552388A CN201811604166.9A CN201811604166A CN109552388A CN 109552388 A CN109552388 A CN 109552388A CN 201811604166 A CN201811604166 A CN 201811604166A CN 109552388 A CN109552388 A CN 109552388A
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- main
- string
- wheel
- accessory whorl
- group
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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
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/04—Braking mechanisms; Locking devices against movement
- B62B5/0438—Braking mechanisms; Locking devices against movement hand operated
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The invention discloses a kind of mobile devices, belong to equipment technology field of transport.The mobile device includes braking mechanism and driving assembly, and wherein braking mechanism includes the first round group being oppositely arranged and the second wheel group, elastic component, main string, secondary string and the brake assemblies directly braked to wheel；Elastic component one end and first round group connect, and the elastic component other end is connect with the second wheel group；When pulled, distance is gradually reduced main string between first round group and the second wheel group, and the first secondary string is gradually reduced with the maximum distance of the accessory whorl center of rotation of the first accessory whorl and the second secondary string and the maximum distance of the accessory whorl center of rotation of the second accessory whorl.Elastic component, small one and large one main wheel connects by the present invention by main string and secondary string with accessory whorl, and are combined together with brake assemblies and can not only be formed braking mechanism, but also the braking mechanism is more labor-saving relative to traditional braking mechanism when releasing is braked.
Description
Technical field
The present invention relates to equipment technology field of transport more particularly to a kind of mobile devices.
Background technique
A kind of ancillary equipment of the trolley as airport, plays an important role, is mainly used for the baggage handling of passenger.
Practical application scene based on airport needs, airport trolley need it is sturdy and durable, while light and flexible, also need using when
Convenient for control.
In the prior art, airport trolley needs to solve the validity of its braking mechanism, so that its shape in unmanned manipulation
Locking is automatically kept under state, is prevented trolley in the case where the control for the personnel that lose, is slided by inertial force, in turn
The phenomenon that causing to collide other people generation.Simultaneously as the presence of the braking mechanism, when user needs using trolley, it is necessary to
It is continuously applied power to trolley, to release braking mechanism to the brake force of trolley wheel, and the power applied must remain
Greater than that can release braking mechanism to the brake force of trolley wheel, the passenger for keeping journey tired out still needs to apply biggish power
Driving trolley is removed, user experience is poor.
For this purpose, it is urgent to provide a kind of mobile devices to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of mobile devices, and brake can be released by being able to achieve the lesser power of offer
Power avoids tired out to user is caused.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of mobile device, the driving assembly including braking mechanism and for releasing the braking mechanism braking, the brake
Mechanism of car includes:
Wheel group, including the first round group and the second wheel group being oppositely arranged, each wheel group includes main wheel and is set to
Accessory whorl on the main wheel, the outer diameter of the main wheel are greater than the outer diameter of the accessory whorl；
Elastic component, one end and the first round group connect, and the other end is connect with the second wheel group；
Main string, one end connect the first main wheel in the first round group, and the other end connects second in the second wheel group
Main wheel, and the main string can be pulled by the driving component；
Secondary string, including the first secondary string and the second secondary string, one end of the described first secondary string is connect with first main wheel, another
End is connect with one end of the elastic component, and in the first round group when rotation of the first accessory whorl, and the described first secondary string can be set around
On first accessory whorl；One end of described second secondary string is connect with second main wheel, and the other end is another with the elastic component
End connects, and in the second wheel group when the rotation of the second accessory whorl, the described second secondary string can be set around on second accessory whorl；
Brake assemblies, one end can be abutted with wheel, and the other end is connect with the main string, and the brake assemblies are also connected with
The driving component, the driving component can make the brake assemblies that the main string be pulled to release the braking to the wheel；
Wherein when pulled, distance is gradually reduced the main string between the first round group and the second wheel group.
Preferably, the accessory whorl is eccentric wheel, the main string when pulled, the first secondary string and first accessory whorl
Accessory whorl center of rotation maximum distance and the second secondary string and the second accessory whorl (22) accessory whorl center of rotation maximum distance
It is gradually reduced.
Preferably, the accessory whorl includes arc section and straightway, the straightway it is vertical with accessory whorl center of rotation away from
From be less than the arc section at a distance from the accessory whorl center of rotation.
Preferably, first main wheel and second main wheel are eccentric wheel, the main string when pulled, the master
In the rotation of the main wheel of the maximum distance of the main wheel center of rotation of string and first main wheel and the main string and second main wheel
The maximum distance of the heart is gradually increased.
Preferably, being provided with fixed ring in the mobile device；The brake assemblies include brake bar, the brake bar
One end can be to the wheel braking, the other end passes through the fixed ring and connect with the main string.Preferably, the driving group
Part includes compression bar and the driving string for connecting the main string, and rotating fulcrum, one end connection of the compression bar are provided on the compression bar
There is the driving string, the other end is for applying driving force；
Wherein, the position that the compression bar connects the driving string is less than the compression bar at a distance from the rotating fulcrum and is used for
Apply the position of driving force at a distance from the rotating fulcrum.
Preferably, the side wall of first main wheel and second main wheel is provided with main string hanging head slot, the main string
Main string hanging head is provided in hanging head slot.
Preferably, the main string hanging head on first main wheel is set to first main wheel far from first accessory whorl
Side；Main string hanging head on second main wheel is set to side of second main wheel far from second accessory whorl.
Preferably, the main wheel and the accessory whorl in each wheel group are provided with lightening hole.
Preferably, the mobile device is airport trolley.
Beneficial effects of the present invention:
The present invention is connected elastic component and small one and large one main wheel with accessory whorl by main string and pair string, and with braking group
Part, which is combined together, can not only form braking mechanism, and the braking mechanism release braking when relative to traditional braking machine
Structure is more labor-saving.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that mobile device in the embodiment of the present invention is in braking state；
Fig. 2 is that the mobile device in the embodiment of the present invention is in the structural schematic diagram for releasing braking state；
Fig. 3 is the structural schematic diagram of one of embodiment of the present invention main wheel；
Fig. 4 is the structural schematic diagram of one of embodiment of the present invention accessory whorl.
In figure:
100, mobile device ontology 100；
1, first round group；11, the first main wheel；12, the first accessory whorl；121, arc section；122, straightway；
2, the second wheel group；21, the second main wheel；22, the second accessory whorl；
3, main string；
4, secondary string；41, the first secondary string；42, the second secondary string；
5, elastic component；6, brake bar；7, wheel；8, fixed ring；
9, driving assembly；91, string is driven；92, compression bar；93, rotating fulcrum；
10, main wheel center of rotation；20, lightening hole；30, reinforcing rib；40, main string hanging head；50, accessory whorl center of rotation.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will the technical scheme of the embodiment of the invention will be described in further detail in conjunction with attached drawing, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.It ties below
It closes attached drawing and passes through specific embodiment to further illustrate the technical scheme of the present invention.
As illustrated in fig. 1 and 2, the present embodiment discloses a kind of mobile device, including braking mechanism and for releasing braking mechanism
The driving assembly 9 of braking.Mobile device in the present embodiment refers mainly to airport trolley, by providing braking mechanism and driving group
Part 9, when so that the braking mechanism for releasing airport trolley braking wheel 7, user can release brake without remaining to be greater than
Brake force of the mechanism of car to trolley.It may naturally be used in other transporting equipments.
Specifically, the braking mechanism in mobile device includes wheel group, elastic component 5, main string 3, secondary string 4 and directly to wheel
7 brake assemblies braked；Wherein, wheel group includes the first round group 1 being oppositely arranged and the second wheel group 2, and each wheel group is wrapped
The accessory whorl for including main wheel and being set on main wheel, the outer diameter of main wheel are greater than the outer diameter of accessory whorl；5 one end of elastic component and first round group 1 connect
It connects, 5 other end of elastic component is connect with the second wheel group 2；The first main wheel 11 in main 3 one end of string connection first round group 1, main string 3 are another
One end connects the second main wheel 21 in the second wheel group 2；Secondary string 4 includes the first secondary string 41 and the second secondary string 42, the first secondary string 41
One end is connect with the first main wheel 11, and the other end is connect with one end of elastic component 5, and the first 41 energy of secondary string when the rotation of the first accessory whorl 12
It is set around on the first accessory whorl 12；One end of second secondary string 42 is connect with the second main wheel 21, and the other end of the other end and elastic component 5 connects
It connects, when the second accessory whorl 22 rotates, the second secondary string 42 can be set around on the second accessory whorl 22；Brake assemblies one end can be abutted with wheel 7,
The other end is connect with main string 3, and brake assemblies are also connected with driving assembly 9, and driving assembly 9 can make brake assemblies pull main string 3
It releases and wheel 7 is braked；Wherein main string 3 when pulled, elastic component 5 deform, between first round group 1 and the second wheel group 2 distance by
It is tapered small.
Elastic component 5, wheel group, main string 3 and 4 collective effect of secondary string in braking mechanism, are equivalent in conventional brake mechanism
The return springs being set on brake assemblies.When airport trolley remains static, elastic component 5, wheel group, 3 and of main string
Secondary string 4 is in original state, and the brake assemblies connecting with main string 3 are connected on wheel 7.When releasing brake assemblies are to vehicle
When the braking of wheel 7, need to pull on main string 3 makes brake assemblies leave wheel 7, needs to deform elastic component 5 at this time.If not set wheel
Group, the deformation of elastic component 5 need to apply the first active force F to main string 3；After above-mentioned wheel group is arranged, elastic component 5 is directly and in wheel group
Accessory whorl connection, the secondary power M that the deformation of elastic component 5 needs secondary string 4 to apply to elastic component 5 is equal with the first active force F, according to torque
Law of conservation, the product of secondary power M and pair string 4 and 50 distance L of accessory whorl center of rotation that secondary string 4 applies are equal to what main string 3 applied
The product of main force N and main string 3 and 10 distance S of main wheel center of rotation.Wherein L is less than S, and secondary power M is equal to the first active force F, then
Main string 3 needs the main force N applied certainly less than the first main force F.Therefore, by main string 3 and secondary string 4 that elastic component 5 and one is big
One small main wheel is connected with accessory whorl, and is combined together with brake assemblies and can not only be formed braking mechanism, but also the braking machine
Structure is more labor-saving relative to traditional braking mechanism when releasing braking.Theoretically, the outer diameter of main wheel and accessory whorl is than differing bigger, solution
It is more laborsaving when except braking.
Specifically, as shown in Figures 3 and 4, the side wall of the first main wheel 11 and the second main wheel 21 is provided with main string hanging head slot, main
Main string hanging head 40 is provided in string hanging head slot.One end of main string 3 is connect with the main string hanging head 40 on the first main wheel 11, the other end with
Main string hanging head 40 connection on second main wheel 21.It is preferred that the main string hanging head 40 on the first main wheel 11 is set to the first main wheel 11 far
Side from the first accessory whorl 12；Main string hanging head 40 on second main wheel 21 is set to one of the second main wheel 21 far from the second accessory whorl 22
Side.Main string 3 and secondary 4 winding of string interfere when in this way can be to avoid the rotation of wheel group.Also, the first accessory whorl is arranged in the first main wheel 11
The side that the second accessory whorl 22 is arranged in 12 side and the second main wheel 21 is provided with secondary string hanging head.
Also, in order to guarantee that the first secondary string 41 can be smoothly set around on the first accessory whorl 12 and the second secondary string 42 can
Smoothly it is set around on the second accessory whorl 22, the first secondary string 41 is arranged with the straight line of first round group 1 and the second wheel group 2 in angle, and second
Secondary string 42 is arranged with the straight line of first round group 1 and the second wheel group 2 in angle, so that the first secondary string 41 and the second secondary string 42 are in X-type
It is arranged in a crossed manner.
In addition, elastic component 5 can be integral structure, 5 one end of elastic component is connect with first round group 1, the other end and second
Wheel group 2 connects, and the middle section of elastic component 5 is fixedly installed in mobile device framework.When pulling main string 3, elastic component 5 occurs
Flexible deformation, first round group 1 and the second wheel group are close to each other.It is applied in example in another, elastic component 5 is two, one of elasticity
One end of part 5 is connect with first round group 1, and the other end is fixedly connected with mobile device ontology 100；One end of another elastic component 5 with
The connection of second wheel group 2, the other end are also fixedly connected with mobile device ontology 100.When pulling main string 3, first round group 1 and second
Wheel group 2 is close to each other, correspondingly, one end that two elastic components 5 are connect with wheel group is close to each other, keeps not with mobile device framework
Dynamic one end remains stationary.
Further, accessory whorl is eccentric wheel, and when pulled, the accessory whorl of the first secondary string 41 and the first accessory whorl 12 rotates main string 3
The maximum distance at center 50 and the second secondary string 42 and the maximum distance of the accessory whorl center of rotation 50 of the second accessory whorl 22 are gradually reduced.
According to above-mentioned torque conservation it is found that when wherein L continues to reduce, secondary power M is equal to the first active force F, then main string 3 needs the master applied
Power N necessarily can also be further decreased, so that the power for needing to release brake is smaller.
Further, accessory whorl includes arc section 121 and straightway 122, and straightway 122 is vertical with accessory whorl center of rotation 50
Distance is less than arc section 121 at a distance from accessory whorl center of rotation 50.In this way, after accessory whorl is turned an angle, secondary string 4
Reach minimum at a distance from accessory whorl center of rotation 50, the main force applied to main string 3 can be made to reach minimum at this time, avoid length
Phase applies the power or identical tired out compared with user is caused energetically of variation.
Further, the first main wheel 11 and the second main wheel 21 are eccentric wheel, and when pulled, main string 3 and first is main for main string 3
The maximum distance and main string 3 and the maximum distance of the main wheel center of rotation 10 of the second main wheel 21 of the main wheel center of rotation 10 of wheel 11 are equal
It is gradually increased.In this way, the main force being applied on main string 3 can be further decreased, further reach labour-saving effect.
Further, fixed ring 8 is provided in mobile device；Brake assemblies include brake bar 6, one end energy of brake bar 6
Wheel 7 is braked, the other end passes through fixed ring 8 and connect with main string 3.It can guarantee that brake bar 6 can be according on predetermined direction in this way
It rises or declines, abutting braking is carried out to wheel 7 to realize, or leave wheel 7 and release braking.Certainly, fixed ring 8 can be set
For fixing groove, so that it is extended a distance along the length direction of brake bar 6, play guiding role.
In this present embodiment, driving assembly 9 includes driving string 91, and one end of driving string 91 is connect with brake bar 6, and can be driven
Dynamic brake bar 6 pulls main string 3.Wherein driving string 91 can be drawstring.In other embodiments, driving string 91, which can change, to be driven
The other structures such as bar.
Further, driving assembly 9 further includes compression bar 92, and rotating fulcrum 93 is provided on compression bar 92, and rotating fulcrum 93 is set
It is placed on mobile device ontology 100, one end of compression bar 92 is connected with driving string 91, and the other end is for applying driving force；Wherein, it drives
Moving-wire is less than compression bar 92 at a distance from rotating fulcrum 93 and is used to apply the position of driving force at a distance from rotating fulcrum 93.It sets in this way
It sets, using lever principle, the driving force that user applies at 92 end of compression bar can be further decreased.
In addition, main wheel and accessory whorl in each wheel group are provided with lightening hole 20 referring again to Fig. 3 and Fig. 4, moved with mitigating
The weight of dynamic device.It is preferred that reinforcing rib 20 can be set on the main wheel and accessory whorl of each wheel group, mitigating wheel group weight as far as possible
In the case where amount, guarantee that main wheel and accessory whorl meet requirement in wheel group by the way that reinforcing rib 20 is rationally arranged.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of mobile device, the driving assembly (9) including braking mechanism and for releasing the braking mechanism braking, feature
It is, the braking mechanism includes:
Wheel group, including the first round group (1) and the second wheel group (2) being oppositely arranged, each wheel group includes main wheel and setting
Accessory whorl on the main wheel, the outer diameter of the main wheel are greater than the outer diameter of the accessory whorl；
Elastic component (5), one end are connect with the first round group (1), and the other end is connect with the second wheel group (2)；
Main string (3), one end connect the first main wheel (11) in the first round group (1), and the other end connects the second wheel group (2)
In the second main wheel (21), and the main string (3) can be pulled by the driving component (9)；Secondary string (4), including the first secondary string
(41) with the second secondary string (42), one end of the described first secondary string (41) connect with first main wheel (11), the other end with it is described
One end of elastic component (5) connects, and in the first round group (1) when the first accessory whorl (12) rotation, described first secondary string (41) energy
It is set around on first accessory whorl (12)；One end of described second secondary string (42) is connect with second main wheel (21), the other end
It is connect with the other end of the elastic component (5), when the second accessory whorl (22) rotates in the second wheel group (2), the described second secondary string
(42) it can be set around on second accessory whorl (22)；
Brake assemblies, one end can be abutted with wheel (7), and the other end is connect with the main string (3), and the brake assemblies are also connected with
Have the driving component (9), the driving component (9) can make the brake assemblies that the main string (3) be pulled to release to the vehicle
Take turns the braking of (7)；
Wherein when pulled, distance is gradually reduced the main string (3) between the first round group (1) and the second wheel group (2).
2. mobile device according to claim 1, which is characterized in that the accessory whorl is eccentric wheel, and the main string (3) is drawn
When dynamic, the maximum distance and described second of the accessory whorl center of rotation (50) of the described first secondary string (41) and first accessory whorl (12)
Secondary string (42) and the maximum distance of the accessory whorl center of rotation (50) of the second accessory whorl (22) are gradually reduced.
3. mobile device according to claim 2, which is characterized in that the accessory whorl includes arc section (121) and straightway
(122), the vertical range of the straightway (122) and accessory whorl center of rotation (50) is less than the arc section (121) and the pair
Take turns the distance of center of rotation (50).
4. mobile device according to claim 1, which is characterized in that first main wheel (11) and second main wheel
(21) be eccentric wheel, the main string (3) when pulled, in the main wheel rotation of the main string (3) and first main wheel (11)
The maximum distance of the heart (10) and the main string (3) and the maximum distance of the main wheel center of rotation (10) of second main wheel (21) are equal
It is gradually increased.
5. mobile device according to any one of claims 1-4, which is characterized in that be provided in the mobile device solid
Determine ring (8)；The brake assemblies include brake bar (6), and one end of the brake bar (6) can brake the wheel (7), another
End is connect across the fixed ring (8) with the main string (3).
6. mobile device according to claim 5, which is characterized in that the driving component (9) includes compression bar (92) and connects
The driving string (91) of the main string (3) is connect, is provided with rotating fulcrum (93) on the compression bar (92), one end of the compression bar (92)
It is connected with the driving string (91), the other end is for applying driving force；
Wherein, the position of compression bar (92) connection driving string (91) is less than described at a distance from the rotating fulcrum (93)
Compression bar (92) is used to apply the position of driving force at a distance from the rotating fulcrum (93).
7. mobile device according to claim 1, which is characterized in that first main wheel (11) and second main wheel
(21) side wall is provided with main string hanging head slot, and main string hanging head (40) is provided in the main string hanging head slot.
8. mobile device according to claim 7, which is characterized in that the main string hanging head (40) on first main wheel (11)
It is set to side of first main wheel (11) far from first accessory whorl (12)；Main string hanging head on second main wheel (21)
(40) it is set to side of second main wheel (21) far from second accessory whorl (22).
9. mobile device according to claim 1, which is characterized in that the main wheel and the pair in each wheel group
Wheel is provided with lightening hole (20).
10. mobile device according to claim 1, which is characterized in that the mobile device is airport trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811604166.9A CN109552388B (en) | 2018-12-26 | 2018-12-26 | Mobile device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811604166.9A CN109552388B (en) | 2018-12-26 | 2018-12-26 | Mobile device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109552388A true CN109552388A (en) | 2019-04-02 |
| CN109552388B CN109552388B (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811604166.9A Active CN109552388B (en) | 2018-12-26 | 2018-12-26 | Mobile device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109552388B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010031072A (en) * | 1997-10-15 | 2001-04-16 | 아이지씨 (오스트레일리아) 피티와이 리미티드 | Steerable load-carrying assemblies |
| JP2005014894A (en) * | 2003-06-06 | 2005-01-20 | Aprica Kassai Inc | Wheel simultaneous braking mechanism, caster rotation prevention mechanism, and baby carriage |
| CN201932215U (en) * | 2011-01-19 | 2011-08-17 | 袁伯权 | Brake device of baby carrier |
| CN108313108A (en) * | 2018-03-14 | 2018-07-24 | 上海托华机器人有限公司 | A kind of materials vehicle of AGV tractions |
-
2018
- 2018-12-26 CN CN201811604166.9A patent/CN109552388B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010031072A (en) * | 1997-10-15 | 2001-04-16 | 아이지씨 (오스트레일리아) 피티와이 리미티드 | Steerable load-carrying assemblies |
| JP2005014894A (en) * | 2003-06-06 | 2005-01-20 | Aprica Kassai Inc | Wheel simultaneous braking mechanism, caster rotation prevention mechanism, and baby carriage |
| CN201932215U (en) * | 2011-01-19 | 2011-08-17 | 袁伯权 | Brake device of baby carrier |
| CN108313108A (en) * | 2018-03-14 | 2018-07-24 | 上海托华机器人有限公司 | A kind of materials vehicle of AGV tractions |
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| Publication number | Publication date |
|---|---|
| CN109552388B (en) | 2020-06-12 |
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