CN106820513B - It is a kind of can braking deceleration suitcase and its stop mechanism - Google Patents
It is a kind of can braking deceleration suitcase and its stop mechanism Download PDFInfo
- Publication number
- CN106820513B CN106820513B CN201710113846.XA CN201710113846A CN106820513B CN 106820513 B CN106820513 B CN 106820513B CN 201710113846 A CN201710113846 A CN 201710113846A CN 106820513 B CN106820513 B CN 106820513B
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- China
- Prior art keywords
- brake
- braking
- suitcase
- operating handle
- castor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/14—Rigid or semi-rigid luggage with built-in rolling means
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/04—Trunks; Travelling baskets
Landscapes
- Braking Arrangements (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The present invention propose it is a kind of can braking deceleration suitcase and its stop mechanism, suitcase carries pull rod device and castor, and brake actuator is set in suitcase castor, and brake actuator includes braking brake shoe and brake shoe resetting spring；The braking brake shoe is articulated at the hinge of castor wheel shaft, and brake shoe resetting spring is set to by the braking brake shoe hinge joint of wheel shaft and is connected with braking brake shoe；Brake operating mechanism includes handle spring, brake operating handle and braking brake cable；The brake operating handle is connected through braking brake cable with the braking brake shoe of brake actuator, and stop switch and stop bolt are additionally provided on the brake operating handle, and the pull rod device top is equipped with the cotter way coordinated with stop bolt；When deceleration or brake, brake operating handle traction braking brake cable makes braking brake shoe top pressure castor inner surface；The present invention can easily slow down to suitcase and skidding, and the wet road conditions of moisture-sensitive do not influence braking effect.
Description
Technical field
The present invention relates to travel goods field, especially it is a kind of can braking deceleration suitcase and its stop mechanism.
Background technology
From a security standpoint, braking and stop are for the moving travel suitcase on ramp, especially large-scale suitcase
Very necessary, still, existing suitcase does not have braking, deceleration, even if so-called brake suitcase or anti-slippery trip
Row case（CN104886898A）Actually also only it is the suitcase for having locking function, that is, after suitcase is static, pass through manipulation
Locking mechanism on suitcase wheel carries out stop using negative pressure sucker absorption in face of suitcase, exists to prevent suitcase
It slips away in the vehicle of traveling or on slope, it is inconvenient or does not have the work(that braking deceleration is carried out to the suitcase in descent run
Can, still can on road pedestrian and vehicle cause safe hidden danger, moreover, flatness of the sucked type anti-skid device to ground
Very high with cleannes requirement, the Function under many outdoor environments is bad.
Invention content
The present invention propose it is a kind of can braking deceleration suitcase and its stop mechanism, can easily slow down to suitcase
And skidding, and the wet road conditions of moisture-sensitive do not influence braking effect.
The present invention uses following technical scheme.
It is a kind of can braking deceleration suitcase and its stop mechanism, be equipped with brake operating mechanism and brake actuator so as to
Deceleration and brake when suitcase moves, the included pull rod device of the suitcase and castor, the interior montant of the pull rod device,
Spool and spool end of the outer hollow formation of montant for placing braking brake cable are communicated with castor；The brake actuator is set to
In suitcase castor, the brake actuator includes braking brake shoe and brake shoe resetting spring；The braking brake shoe is articulated with foot
It takes turns at wheel shaft, brake shoe resetting spring is set to by the braking brake shoe hinge joint of wheel shaft and is connected with braking brake shoe；Brake operating mechanism
Including handle spring, brake operating handle and braking brake cable；The brake operating handle is embedded at pull rod device top, braking behaviour
Make handle and is connected with the braking brake shoe of brake actuator through braking brake cable, when suitcase need to slow down manually, brake operating hand
Handle traction braking brake cable makes braking brake shoe top pressure castor inner surface.
Stop switch and stop bolt are additionally provided on the brake operating handle, the pull rod device top is equipped with and stop
The cotter way of bolt cooperation；The cotter way is set to by the motion path of brake operating handle；When suitcase need to continue automatic brake,
Brake operating handle is moved to while traction braking brake cable at the position for making stop bolt be aligned with cotter way, and stop switch is driven
Dynamic stop bolt, which is inserted into cotter way, makes brake operating handle be fixed at cotter way, and braking brake shoe is made to continue top pressure castor inner surface, real
The lasting automatic brake of existing suitcase.
The braking brake shoe is arc panel, and braking brake shoe stage casing is articulated at castor wheel shaft, and brake operating handle is through braking
Brake cable is connected with the braking brake shoe side of brake actuator, when brake operating handle is through braking brake cable traction braking brake shoe side
When, the other side for braking brake shoe tilts top pressure castor inner surface.
The stop switch be in handle shape, handle shape stop switch rotate in the horizontal direction with drive stop bolt be inserted into or
Cotter way is exited, stop switch is located at brake operating handle, at its lower end face.
The pull rod device includes interior montant, outer montant, crossbeam halfbody, pull rod locking mechanism, the pull rod locking mechanism
The position for locking interior montant adjacent with interior montant.
The crossbeam halfbody quantity is two, and the wire casing for laying braking brake cable, two crossbeam halfbodies are equipped in crossbeam halfbody
After connection forms crossbeam entirety, the wire casing split for laying braking brake cable forms spool.
It is fixed at the wheel shaft of each castor there are two wheel, the braking brake shoe is set in wheel, the system in each wheel
Dynamic brake shoe quantity is two and is symmetrical arranged by symmetry axis of wheel shaft, all brakings of sync pulling when brake operating handle moves up
Brake shoe synchronizes them top pressure castor inner surface.
The cotter way with the cooperation of stop bolt, the maximum stroke moved up positioned at brake operating handle.
The castor includes wheel shaft, wheel, spacer, hubcap, journal bearing, baffle ring and thrust bearing.
The handle spring is connected with brake operating handle upper portion, when brake operating handle is not stopped not by external force and slotting
Lock timing, the handle spring make the brake operating handle reset.
In the present invention, the suitcase carries pull rod device and castor, the interior montant of the pull rod device, outer montant are hollow
Spool and spool end for placing braking brake cable is formed to communicate with castor；The brake actuator is set to suitcase castor
Interior, the brake actuator includes braking brake shoe and brake shoe resetting spring；The braking brake shoe is articulated at castor wheel shaft, lock
Block reset spring is set to by the braking brake shoe hinge joint of wheel shaft and is connected with braking brake shoe；Brake operating mechanism includes handle bullet
Spring, brake operating handle and braking brake cable；The brake operating handle is embedded at pull rod device top, and brake operating handle is through system
Dynamic brake cable is connected with the braking brake shoe of brake actuator；The design allows user that can directly manipulate braking at the top of pull rod and holds
Row mechanism, suitcase braking is more quick convenient, not only improves usage comfort, but also enhance the safety of braking brake mechanism
And reaction speed.
In the present invention, the braking brake shoe is articulated at castor wheel shaft, and brake shoe resetting spring is set to the braking brake shoe of wheel shaft
It is connected by hinge joint and with braking brake shoe；When suitcase need to slow down manually, brake operating handle traction braking brake cable makes braking
Brake shoe top pressure castor inner surface；When suitcase need to continue automatic brake, brake operating handle is while traction braking brake cable
It is moved at the position for making stop bolt be aligned with cotter way, after stop switch drives stop bolt to be inserted into cotter way, brake operating hand
Handle is fixed at cotter way, and braking brake shoe continues top pressure castor inner surface, realizes the lasting automatic brake of suitcase；The design makes
Brake actuator acts on castor inner surface to the brake weight of suitcase, since castor inner surface is not contacted with ground, usually
More drying and cleaning, therefore can effectively avoid slowing down or brake the slipping phenomenon between brake shoe and castor when braking, similar to certainly
The braking principle of " rise lock " of driving or electric vehicle, allows work of the brake actuator in rainy day or wet environment more may be used
It leans on.
In the present invention, the interior montant of the pull rod device, outer montant it is hollow formed for place braking brake cable spool and
Spool end is communicated with castor；The brake operating handle is embedded at pull rod device top, and brake operating handle is through braking brake cable
It is connected with the braking brake shoe of brake actuator, the crossbeam halfbody quantity is two, is equipped in crossbeam halfbody for laying braking
The wire casing of brake cable, two crossbeam halfbodies connect to form crossbeam entirety after, it is described for lays braking brake cable wire casing split formation line
Pipe；The design so that braking brake cable is protected, and the laying for braking brake cable is relatively easy to, and can promote the assembly effect of suitcase
Rate.
In the present invention, stop switch and stop bolt, the pull rod device top are additionally provided on the brake operating handle
Equipped with the cotter way coordinated with stop bolt；The cotter way is set to by the motion path of brake operating handle, when suitcase need to continue
When automatic brake, brake operating handle is moved to the position for making stop bolt be aligned with cotter way while traction braking brake cable
Place, after stop switch drives stop bolt to be inserted into cotter way, brake operating handle is fixed at cotter way, and braking brake shoe continues top pressure foot
Inner surface is taken turns, realizes the lasting automatic brake of suitcase；The stop switch is in handle shape, the pin with the cooperation of stop bolt
Slot, the maximum stroke moved up positioned at brake operating handle；The design improves the convenience of emergency brake, and user is only
Brake operating handle need to be carried to highest, then stop switch is directly rotated 90 degree, so that stop bolt is entered cotter way can carry out
Continue automatic brake（Lasting brake）, without knob handle is persistently held, that is, braking efficiency is improved, ease of use is also improved.
In the present invention, the stop switch is in handle shape, and handle shape stop switch is rotated in the horizontal direction to drive stop
Bolt is inserted into or exits cotter way, and stop switch is located at brake operating handle, at its lower end face；The design meets ergonomics, and user is single
Hand can operate stop switch when holding brake operating handle, and use is more convenient.
It is fixed in the present invention, at the wheel shaft of each castor there are two wheel, the braking brake shoe is set in wheel, Mei Geche
Damper brake number of blocks in wheel is two and is symmetrical arranged by symmetry axis of wheel shaft, sync pulling when brake operating handle moves up
All braking brake shoes synchronize them top pressure castor inner surface；The design to brake brake shoe to the brake force of castor relative to wheel shaft
It is symmetrical, effectively avoid castor bounce caused by castor single side stress or brake vibrations.
Description of the drawings
The present invention is described in more detail with reference to the accompanying drawings and detailed description：
Attached drawing 1 is the schematic diagram of the present invention；
Attached drawing 2 is the side schematic view of the present invention；
Attached drawing 3 is the schematic diagram of the stop switch and stop bolt connecting part of the present invention；
Attached drawing 4 is the schematic diagram at the castor of the present invention；
Attached drawing 5 is the braking brake shoe in the castor of the present invention, the schematic diagram at wheel shaft；
Attached drawing 6 is the schematic diagram of the pull rod device of the present invention；
Attached drawing 7 is the brake operating mechanism schematic diagram of the present invention；
Attached drawing 8 is the castor decomposition diagram of the present invention；
Attached drawing 9 is the local cutting schematic diagram at the stop switch of the present invention；
Attached drawing 10 is the local cutting schematic diagram at castor inside brake brake shoe when the present invention is in on-position；
Attached drawing 11 is that the present invention utilizes the local cutting schematic diagram at stop switch when stop switch progress continuous braking；
In figure：1- brake operating mechanisms；2- pull rod device；3- stop switch；4- travelling box bodies；5- castors；6- stop
Bolt；The matching part of 7- stop switch and stop bolt；8- castor wheel shafts；9- brake shoe resetting springs；10- brakes brake shoe；11-
Wheel；12- spacers；13- hubcaps；14- journal bearings；15- baffle rings；16- thrust bearings；17- interior montants；The outer montants of 18-；
19- crossbeam halfbodies；20- pull rod locking mechanisms；21- handle springs；22- brake operating handles；23- brakes brake cable；24- and stop
The cotter way of bolt cooperation.
Specific implementation mode
As shown in figs. 1-11, it is a kind of can braking deceleration suitcase and its stop mechanism, be equipped with brake operating mechanism and system
In order to the deceleration and brake when suitcase moves, the suitcase carries pull rod device for dynamic executing agency（2）And castor（5）,
The pull rod device（2）Interior montant（17）, outer montant（18）The hollow spool formed for placing braking brake cable and spool end
End and castor（5）It communicates；The brake actuator is set in suitcase castor, and the brake actuator includes braking brake shoe
（10）With brake shoe resetting spring（9）；The braking brake shoe（10）It is articulated with castor wheel shaft（8）Place, brake shoe resetting spring（9）It is set to
Wheel shaft（8）Braking brake shoe hinge joint by and be connected with braking brake shoe；Brake operating mechanism includes handle spring（21）, braking behaviour
Make handle（22）With braking brake cable（23）；The brake operating handle（22）Embedded at pull rod device（2）Top, brake operating hand
Handle（22）Through braking brake cable（23）With the braking brake shoe of brake actuator（10）It is connected, when suitcase need to slow down manually, system
Dynamic operation handle（22）Traction braking brake cable makes braking brake shoe（10）Top pressure castor inner surface.
The brake operating handle（22）On be additionally provided with stop switch（3）And stop bolt（6）, the pull rod device（2）
Top is equipped with the cotter way coordinated with stop bolt；The cotter way is set to brake operating handle（22）Motion path by；Work as travelling
When case need to continue automatic brake, brake operating handle（22）Being moved to while traction braking brake cable makes stop bolt and cotter way
At the position of alignment, stop switch（3）Drive stop bolt（6）After being inserted into cotter way, brake operating handle（22）It is fixed on cotter way
Brake shoe is braked at place（10）Continue top pressure castor inner surface, realizes the lasting automatic brake of suitcase.
The braking brake shoe（10）For arc panel, brake shoe is braked（10）Stage casing is articulated with castor wheel shaft（8）Place, brake operating
Handle（22）Through braking brake cable（23）With the braking brake shoe of brake actuator（10）Side is connected, when brake operating handle（22）
Through braking brake cable traction braking brake shoe（10）When side, brake shoe is braked（10）The other side tilt top pressure castor inner surface.
The stop switch be in handle shape, handle shape stop switch rotate in the horizontal direction with drive stop bolt be inserted into or
Cotter way is exited, stop switch is located at brake operating handle, at its lower end face.
The pull rod device（2）Including interior montant（17）, outer montant（18）, crossbeam halfbody（19）, pull rod locking mechanism
（20）, the pull rod locking mechanism（20）With interior montant（17）It is adjacent to be used to lock interior montant（17）Position.
The crossbeam halfbody（19）Quantity is two, crossbeam halfbody（19）In be equipped with for lay braking brake cable（23）Line
Slot, two crossbeam halfbodies（19）It is described for laying braking brake cable after connection forms crossbeam entirety（23）Wire casing split formed line
Pipe.
It is fixed at the wheel shaft of each castor there are two wheel, the braking brake shoe is set in wheel, the system in each wheel
Dynamic brake shoe quantity is two and is symmetrical arranged by symmetry axis of wheel shaft, brake operating handle（22）Sync pulling is all when moving up
Brake brake shoe（10）Synchronize them top pressure castor inner surface.
The cotter way with the cooperation of stop bolt is located at brake operating handle（22）The maximum stroke moved up.
The castor includes wheel shaft（8）, wheel（11）, spacer（12）, hubcap（13）, journal bearing（14）, baffle ring
（15）And thrust bearing（16）.
The handle spring（21）With brake operating handle（22）Top is connected, when brake operating handle（22）Not by external force
And when not being stopped latch locking, the handle spring（21）Make the brake operating handle（22）It resets.
Embodiment 1：
In this example, when suitcase on the slope when driving, user slightly lifts brake operating handle（22）, drive braking
Brake cable（23）Draw all braking brake shoes（10）C, D, E, F point, make braking brake shoe（10）Arc outer held with small size pressure
Continuous top pressure friction castor inner surface, slows down to babinet, keeps the traveling of suitcase on the slope unlikely out of control.
Embodiment 2：
In this example, handle shape stop switch（3）The matching part of root and stop bolt（7）For ellipse, stop switch
（3）When non-stop, the short axle end of oval matching part is adjacent with stop bolt, when suitcase is stopped on slope, needs pair
When its stop, user is stop switch（3）After being rotated by 90 °, the longitudinal end of oval matching part pushes stop bolt
（6）Being inserted into cotter way makes brake operating handle（22）It is fixed at cotter way, brakes brake shoe（10）Continue top pressure castor with maximum pressure
Inner surface realizes the lasting automatic brake of suitcase；And when stop need to be released, user is stop switch（3）It resets, unclamps
Brake operating handle（22）, the handle spring（21）Make the brake operating handle（22）It resets, brakes brake shoe（10）It leaves
Castor inner surface enables castor freely activity.
Claims (8)
1. it is a kind of can braking deceleration suitcase, when being equipped with brake operating mechanism and brake actuator and being moved in order to suitcase
Deceleration and brake, it is characterised in that：The suitcase carries pull rod device（2）And castor（5）, the pull rod device（2）'s
Interior montant（17）, outer montant（18）The hollow spool formed for placing braking brake cable and spool end and castor（5）It communicates；Institute
Brake actuator is stated in suitcase castor, the brake actuator includes braking brake shoe（10）With brake shoe resetting spring
（9）；The braking brake shoe（10）It is articulated with castor wheel shaft（8）Place, brake shoe resetting spring（9）Set on wheel shaft（8）Braking brake shoe
It is connected by hinge joint and with braking brake shoe；Brake operating mechanism includes handle spring（21）, brake operating handle（22）And braking
Brake cable（23）；The brake operating handle（22）Embedded at pull rod device（2）Top, brake operating handle（22）Through braking brake cable
（23）With the braking brake shoe of brake actuator（10）It is connected, when suitcase need to slow down manually, brake operating handle（22）It leads
Drawing braking brake cable makes braking brake shoe（10）Top pressure castor inner surface；
The brake operating handle（22）On be additionally provided with stop switch（3）And stop bolt（6）, the pull rod device（2）Top
Equipped with the cotter way coordinated with stop bolt；The cotter way is set to brake operating handle（22）Motion path by；When suitcase needs
When continuing automatic brake, brake operating handle（22）Being moved to while traction braking brake cable makes stop bolt be aligned with cotter way
Position at, stop switch（3）Drive stop bolt（6）Being inserted into cotter way makes brake operating handle（22）It is fixed at cotter way, makes
Brake brake shoe（10）Continue top pressure castor inner surface, realizes the lasting automatic brake of suitcase；
The braking brake shoe（10）For arc panel, brake shoe is braked（10）Stage casing is articulated with castor wheel shaft（8）Place, brake operating handle
（22）Through braking brake cable（23）With the braking brake shoe of brake actuator（10）Side is connected, when brake operating handle（22）Through system
Dynamic brake cable traction braking brake shoe（10）When side, brake shoe is braked（10）The other side tilt top pressure castor inner surface.
2. it is according to claim 1 it is a kind of can braking deceleration suitcase, it is characterised in that：The stop switch is in handle
Shape, handle shape stop switch are rotated in the horizontal direction to drive stop bolt to be inserted into or exit cotter way, and stop switch is located at braking
Operation handle lower face.
3. it is according to claim 1 it is a kind of can braking deceleration suitcase, it is characterised in that：The pull rod device（2）Packet
Include interior montant（17）, outer montant（18）, crossbeam halfbody（19）, pull rod locking mechanism（20）, the pull rod locking mechanism（20）With
Interior montant（17）It is adjacent to be used to lock interior montant（17）Position.
4. it is according to claim 3 it is a kind of can braking deceleration suitcase, it is characterised in that：The crossbeam halfbody（19）Number
Amount is two, crossbeam halfbody（19）In be equipped with for lay braking brake cable（23）Wire casing, two crossbeam halfbodies（19）Connection forms horizontal
It is described for laying braking brake cable after beam entirety（23）Wire casing split formed spool.
5. it is according to claim 1 it is a kind of can braking deceleration suitcase, it is characterised in that：Consolidate at the wheel shaft of each castor
Wheel there are two fixed, the braking brake shoe are set in wheel, and the damper brake number of blocks in each wheel is two and is pair with wheel shaft
Claim axial symmetry setting, brake operating handle（22）All braking brake shoes of sync pulling when moving up（10）Synchronize them top pressure foot
Take turns inner surface.
6. it is according to claim 5 it is a kind of can braking deceleration suitcase, it is characterised in that：It is described to coordinate with stop bolt
Cotter way, be located at brake operating handle（22）The maximum stroke moved up.
7. it is according to claim 1 it is a kind of can braking deceleration suitcase, it is characterised in that：The castor includes wheel shaft
（8）, wheel（11）, spacer（12）, hubcap（13）, journal bearing（14）, baffle ring（15）And thrust bearing（16）.
8. it is according to claim 1 it is a kind of can braking deceleration suitcase, it is characterised in that：The handle spring（21）With
Brake operating handle（22）Top is connected, when brake operating handle（22）It is described not by external force and when not being stopped latch locking
Handle spring（21）Make the brake operating handle（22）It resets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113846.XA CN106820513B (en) | 2017-02-28 | 2017-02-28 | It is a kind of can braking deceleration suitcase and its stop mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113846.XA CN106820513B (en) | 2017-02-28 | 2017-02-28 | It is a kind of can braking deceleration suitcase and its stop mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106820513A CN106820513A (en) | 2017-06-13 |
| CN106820513B true CN106820513B (en) | 2018-07-20 |
Family
ID=59137570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710113846.XA Expired - Fee Related CN106820513B (en) | 2017-02-28 | 2017-02-28 | It is a kind of can braking deceleration suitcase and its stop mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106820513B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108422806B (en) * | 2017-07-17 | 2024-04-30 | 广东美加美新材料科技有限公司 | Intelligent braking device and system for box wheel with multiple control modes |
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|---|---|---|---|---|
| CN202198002U (en) * | 2011-08-08 | 2012-04-25 | 山东科技大学 | Novel trolley case |
| CN202664579U (en) * | 2012-06-04 | 2013-01-16 | 东莞市江顺箱包袋配件有限公司 | Luggage wheel set brake system and control device |
| CN203194796U (en) * | 2013-04-09 | 2013-09-18 | 金泰祥精密五金（昆山）有限公司 | Manual control brake-type case |
| CN104905522A (en) * | 2015-06-08 | 2015-09-16 | 马宏 | Dragging tank with brake anti-rotation function |
| CN206542991U (en) * | 2017-02-28 | 2017-10-10 | 厦门大学嘉庚学院 | A kind of stop braking mechanism of suitcase |
| CN206542992U (en) * | 2017-02-28 | 2017-10-10 | 厦门大学嘉庚学院 | A kind of braking deceleration mechanism of suitcase |
-
2017
- 2017-02-28 CN CN201710113846.XA patent/CN106820513B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202198002U (en) * | 2011-08-08 | 2012-04-25 | 山东科技大学 | Novel trolley case |
| CN202664579U (en) * | 2012-06-04 | 2013-01-16 | 东莞市江顺箱包袋配件有限公司 | Luggage wheel set brake system and control device |
| CN203194796U (en) * | 2013-04-09 | 2013-09-18 | 金泰祥精密五金（昆山）有限公司 | Manual control brake-type case |
| CN104905522A (en) * | 2015-06-08 | 2015-09-16 | 马宏 | Dragging tank with brake anti-rotation function |
| CN206542991U (en) * | 2017-02-28 | 2017-10-10 | 厦门大学嘉庚学院 | A kind of stop braking mechanism of suitcase |
| CN206542992U (en) * | 2017-02-28 | 2017-10-10 | 厦门大学嘉庚学院 | A kind of braking deceleration mechanism of suitcase |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106820513A (en) | 2017-06-13 |
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