CN109466613A - The self-actuating brake wheel carrier and wheel assembly of pulling force control - Google Patents

The self-actuating brake wheel carrier and wheel assembly of pulling force control Download PDF

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Publication number
CN109466613A
CN109466613A CN201811513739.7A CN201811513739A CN109466613A CN 109466613 A CN109466613 A CN 109466613A CN 201811513739 A CN201811513739 A CN 201811513739A CN 109466613 A CN109466613 A CN 109466613A
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CN
China
Prior art keywords
pulling force
carrier
wheel carrier
shell
wheel
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.)
Pending
Application number
CN201811513739.7A
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Chinese (zh)
Inventor
周巍
曾鸣
向阳
阮履九
向怡
张博
阳帆
张雪
赵欣
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Individual
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Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201811513739.7A priority Critical patent/CN109466613A/en
Publication of CN109466613A publication Critical patent/CN109466613A/en
Priority to CN201920637654.3U priority patent/CN210139890U/en
Priority to CN201910367414.0A priority patent/CN110239606B/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B62B5/0404—Braking mechanisms; Locking devices against movement automatic
    • 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
    • B62B5/0457—Braking mechanisms; Locking devices against movement by locking in a braking position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/08—Braking mechanisms; Locking devices against movement
    • B62B9/087—Braking mechanisms; Locking devices against movement by locking in a braking position

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Handcart (AREA)

Abstract

The present invention relates to self-actuating brake wheel carriers and wheel assembly that wheel carrier technical field more particularly to a kind of pulling force control.The self-actuating brake wheel carrier of pulling force control includes tension bearing, the second wheel carrier pulling force carrier, repulsion component, main frame and rotary wheel frame；One end of second wheel carrier pulling force carrier is connect with tension bearing, and the other end is connected with clamp；Rotary wheel frame is circumferentially provided with wheel carrier limiting slot along itself；Clamp can be clamped with wheel carrier limiting slot；Repulsion component is socketed on the second wheel carrier pulling force carrier, and repulsion component has the movement tendency for enabling clamp be connected to wheel carrier limiting slot；Rotary wheel frame is rotatably connected with main frame, and the inside of main frame is arranged in repulsion component and clamp；Tension bearing is pulled, so that clamp is far from wheel carrier limiting slot.The wheel assembly includes the self-actuating brake wheel carrier of wheel and pulling force control.The purpose of the present invention is to provide the self-actuating brake wheel carriers and wheel assembly of pulling force control, by using mechanical mode self-actuating brake to improve security performance.

Description

The self-actuating brake wheel carrier and wheel assembly of pulling force control
Technical field
The present invention relates to self-actuating brake wheel carriers and wheel assembly that wheel carrier technical field more particularly to a kind of pulling force control.
Background technique
Currently, the brake of wheel assembly wheel, by pulling brake block, is allowed by the way of footbrake or hand-operated brake Wheel assembly wheel is in stuck braking state.Its problem of, is: it needs to carry out braking mechanism operation and is just able to achieve brake, It is unable to self-actuating brake.Forget to brake and cause the accident so that being easy to happen.
Another brake of wheel assembly wheel is utilized using electronic self-stopping modes such as thermal sensation or infrared inductions Thermal sensation or infrared induction control brake in cart handle.Its problem of, is: must sense trammer thermal sensation or Infrared induction, whether just can control wheel assembly brake.It, cannot automatic brake when the dead battery capability that wheel assembly carries Vehicle；There are security risk and inconvenient uses.
Therefore, the application provides the self-actuating brake wheel carrier and wheel assembly of a kind of new pulling force control regarding to the issue above, The self-actuating brake in a manner of by using machinery, to improve security performance.
Summary of the invention
The purpose of the present invention is to provide the self-actuating brake wheel carriers and wheel assembly of pulling force control, by using mechanical side Formula self-actuating brake is to improve security performance.
Based on above-mentioned purpose, the self-actuating brake wheel carrier of pulling force control provided by the invention, including tension bearing, the second wheel carrier Pulling force carrier, repulsion component, main frame and rotary wheel frame；
One end of the second wheel carrier pulling force carrier is connect with the tension bearing, and the other end is connected with clamp；
The rotary wheel frame is provided at least one wheel carrier limiting slot along the circumferential direction of itself；The clamp can be with the wheel carrier Limiting slot clamping；
The repulsion component is oppositely arranged with the second wheel carrier pulling force carrier, and the repulsion component have enable the card Head is connected to the movement tendency of the wheel carrier limiting slot；
The rotary wheel frame is rotatably connected with the main frame, and the repulsion component and the clamp are arranged in the main body The main frame is arranged in either internally or externally in the inside of frame, the tension bearing；
Pull the tension bearing so that the second wheel carrier pulling force carrier is mobile with the tension bearing, then so that The clamp is far from the wheel carrier limiting slot.
Optionally, the self-actuating brake wheel carrier of pulling force control includes the first wheel carrier pulling force carrier；
The first wheel carrier pulling force carrier is connect with the second wheel carrier pulling force carrier by the tension bearing；
The first wheel carrier pulling force carrier is pulled, so that the second wheel carrier pulling force carrier is mobile with the tension bearing, Then so that the clamp is far from the wheel carrier limiting slot.
Optionally, the repulsion component includes the first magnet and the second magnet of mutual exclusion；First magnet is far from described One end of second magnet is abutted with the main frame, and the one end of second magnet far from first magnet is supported with the clamp It connects；Repulsion between first magnet and second magnet has the fortune for enabling the clamp be connected to the wheel carrier limiting slot Dynamic trend；
Alternatively, the repulsion component includes the spring being socketed on the second wheel carrier pulling force carrier；The one of the spring End is abutted with the main frame, and the other end is abutted with the clamp；The spring, which has, enables the clamp be connected to the wheel carrier The movement tendency of limiting slot.
Optionally, it when the inside of the main frame is arranged in the tension bearing, is covered on the first wheel carrier pulling force carrier It is connected to the repulsion component；The repulsion component has the trend for enabling the tension bearing move towards the rotary wheel frame.
Optionally, it is articulated with inside the main frame for changing the rotation of the second wheel carrier pulling force carrier extending direction Supporting element；The rotatable support is provided with the rotational support slot with the second wheel carrier pulling force carrier combination；
The repulsion component is arranged between the rotatable support and the clamp.
Optionally, the self-actuating brake wheel carrier of pulling force control includes fixed frame；The main frame is rotatably socketed On the fixed frame；
The inside of the fixed frame is arranged in the tension bearing, and one end of the second wheel carrier pulling force carrier is protruded into described Fixed frame is connect with the tension bearing.
Optionally, along the axial direction of the fixed frame, the fixed frame includes corresponding top and bottom；
The bottom of the fixed frame connects the main frame by hollow screw；The hollow screw has axial along itself The hollow screw through-hole of extension, the second wheel carrier pulling force carrier passes through the hollow screw through-hole and the tension bearing connects It connects；
The bottom that the nut or the fixed frame that are spirally connected with the hollow screw are provided in the fixed frame is provided with The threaded hole being spirally connected with the hollow screw.
Optionally, plain thrust bearing is provided between the nut of the hollow screw and the main frame, and/or, institute It states and is provided with plain thrust bearing between the bottom of fixed frame and the main frame；
Optionally, bearing is provided between the top of the fixed frame and the main frame.
Optionally, along the axial direction of the fixed frame, the fixed frame includes corresponding top and bottom；The fixed frame Top and the main frame top cooperate；
The universal rotational that is externally connected to of the main frame adjusts action piece；The main frame has described in grafting universal turn The dynamic universal rotation stop hole of main frame for adjusting action piece；The top of the fixed frame has can be with the universal rotation stop hole of the main frame The corresponding universal rotation stop hole of fixed frame；
Along the axial direction of the fixed frame, the universal rotational adjusts action piece and can move back and forth, so that described universal turn It is dynamic to adjust action piece insertion or far from the universal rotation stop hole of the fixed frame.
Optionally, the outside of the main frame is fixedly installed the fixed top of universal rotational and the fixed lower part of universal rotational； Along the axial direction of the fixed frame, the top of the main frame is arranged in for the fixed top of the universal rotational and the universal rotational is consolidated It fixs between portion；
The universal rotational adjusts action piece and is fixedly installed universal action piece magnetic part；Along the axial direction of the fixed frame, The fixed top of the universal rotational, the universal action piece magnetic part and the fixed lower part of the universal rotational are set gradually；It is described The inside that universal rotational fixes the fixed lower part of top, the universal action piece magnetic part and the universal rotational is provided with magnetic Iron, and two adjacent magnet attract each other；
It is under the action of magnetic attraction so that described universal when the universal rotational adjusting action piece is moved along the main frame Action piece magnetic part is connect with the fixed top of the universal rotational, and is enabled the universal rotational adjust action piece and be inserted into the fixation The universal rotation stop hole of frame, alternatively, so that the universal action piece magnetic part is fixed with the universal rotational under the action of magnetic attraction Lower part connection, and the universal rotational is enabled to adjust action piece far from the universal rotation stop hole of the fixed frame.
Optionally, the tension bearing is for connecting the first pulling force carrier and the second pulling force carrier；
The first pulling force carrier is the first wheel carrier pulling force carrier, and the second pulling force carrier is second wheel carrier Pulling force carrier；Alternatively, the first pulling force carrier is the second wheel carrier pulling force carrier, the second pulling force carrier is described the One wheel carrier pulling force carrier；
The tension bearing includes shell and radial torque barrier assembly；
One end of the first pulling force carrier is provided with the first pulling force spacing head；
The first end of the shell connects the first pulling force carrier, the second end corresponding with first end of the shell Connect the second pulling force carrier；
The radial direction torque barrier assembly includes the first turntable；
The enclosure interior is provided with shell internal cavity；The first end of the shell, which is provided with, to be connected to the shell internal cavity First shell body opening；The first pulling force spacing head and first turntable are arranged in the shell internal cavity, and described first turn Disk covers on the first pulling force carrier；The first pulling force spacing head can abut the shell using first turntable；
The first pulling force carrier passes through the first shell body opening far from one end of the first pulling force spacing head and stretches out The shell；
First turntable is provided with the multiple rotors abutted with the shell.
Optionally, the first dottle pin is provided between the first pulling force spacing head and first turntable；
The the first dottle pin slot of first dottle pin being provided on one side in a ring；
Multiple rotors of first turntable and the first dottle pin slot are cooperatively connected, and first turntable is multiple Rotor can be rotated around the axis of first turntable in the first dottle pin slot.
Optionally, first turntable is plain thrust bearing；
The plain thrust bearing includes retainer and multiple rotors；Multiple rotors abut the shell by retainer Body.
Optionally, the second end of the shell is provided with the second shell body opening being connected to the shell internal cavity；
One end of the second pulling force carrier is provided with the second pulling force spacing head in the shell internal cavity；Described The other end of two pulling force carriers passes through the second shell body opening and stretches out the shell；The second pulling force spacing head can abut The shell.
Optionally, the shell is provided with the first opening and the second opening being connected to the shell internal cavity；Described first Opening and second opening are located between the first end and second end of the shell；
The diameter of first turntable and the diameter of the first pulling force spacing head are respectively less than the bore of first opening；
The diameter of the second pulling force spacing head is less than the bore of second opening.
Optionally, the shell includes first shell portion and second shell portion；
The first shell portion is fixedly connected with the second shell portion, and the first shell portion and the second shell Portion forms the shell internal cavity；
The one end of the first shell portion far from the second shell portion is the first end of the shell；
The one end of the second shell portion far from the first shell portion is the second end of the shell.
Optionally, the second pulling force carrier is fixedly connected with the second end of the shell；
And/or shown first pulling force spacing head is provided with spacing head groove in a ring；Multiple turns of first turntable Kinetoplast and the spacing head groove are cooperatively connected, and multiple rotors of first turntable can be around the axis of first turntable Line is rotated in the spacing head groove.
Based on above-mentioned purpose, wheel assembly provided by the invention, the self-actuating brake including wheel and the pulling force control Wheel carrier；
The wheel is connect with the rotary wheel frame for the self-actuating brake wheel carrier that the pulling force controls, and the rotary wheel frame and the vehicle Wheel rotates synchronously.
The self-actuating brake wheel carrier and wheel assembly of pulling force control provided by the invention, have by repulsion component and enable clamp card The movement tendency in wheel carrier limiting slot is connect, with when not operating tension bearing, rotary wheel frame is in stuck state, and then makes and turns The wheel that wheel carrier rotates synchronously is in stuck state namely wheel and is in self-actuating brake state；When pulling tension bearing, the Two wheel carrier pulling force carriers are mobile with tension bearing, then overcome the power of repulsion component so that clamp is moved with the second wheel carrier pulling force carrier Dynamic and separate wheel carrier limiting slot, so that rotary wheel frame is in the state that is freely rotated namely wheel is in and state is freely rotated.It pulls Power bearing can be pulled by other pulling force carriers, can reduce or substantially eliminate other pulling force carriers and second by tension bearing The radial torque of wheel carrier pulling force carrier reduces clamp moving resistance, convenient for clamp clamping or far from wheel carrier limiting slot.The pulling force The self-actuating brake wheel carrier of control mechanically realizes the self-actuating brake under unstressed state, energy in the state of by pulling force It is enough freely rotated, improves with security performances such as perambulator, the shopping carts for rotating synchronously wheel with rotary wheel frame.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1-1 to Fig. 1-6 is the self-actuating brake wheel carrier of pulling force provided in an embodiment of the present invention control and six kinds of knots of wheel Structure cuts open figure；
Fig. 1-7 is the self-actuating brake wheel carrier of pulling force provided in an embodiment of the present invention control and the perspective view of wheel；
Fig. 1-8 and Fig. 1-9 is the solid of the self-actuating brake wheel carrier of the control of pulling force shown in Fig. 1-7 and the two states of wheel Structure sectional view；
Fig. 1-10 is the self-actuating brake wheel carrier of the control of pulling force shown in Fig. 1-7 and the explosive view of wheel；
Fig. 2-1 is the first visual angle package assembly signal of the first structure of tension bearing provided in an embodiment of the present invention Figure；
Fig. 2-2 is the package assembly cross-sectional view of tension bearing shown in Fig. 2-1；
Fig. 2-3 is the second visual angle package assembly signal of the first structure of tension bearing provided in an embodiment of the present invention Figure；
Fig. 2-4 is the package assembly cross-sectional view of tension bearing shown in Fig. 2-3；
Fig. 2-5 is the cross-sectional view of the first structure of tension bearing provided in an embodiment of the present invention；
Fig. 2-6 is another structural schematic diagram of tension bearing provided in an embodiment of the present invention；
Fig. 3-1 is the first visual angle package assembly signal of second of structure of tension bearing provided in an embodiment of the present invention Figure；
Fig. 3-2 is the second visual angle package assembly signal of second of structure of tension bearing provided in an embodiment of the present invention Figure；
Fig. 3-3 is the cross-sectional view of second of structure of tension bearing provided in an embodiment of the present invention；
Fig. 4 is autobalance schematic diagram of the tension bearing provided in an embodiment of the present invention when bearing pulling force；
Fig. 5-1 is the first structural schematic diagram of the first turntable of tension bearing provided in an embodiment of the present invention；
Fig. 5-2 is second of structural schematic diagram of the first turntable of tension bearing provided in an embodiment of the present invention；
Fig. 6-1 is the first structural schematic diagram of the first dottle pin of tension bearing provided in an embodiment of the present invention；
Fig. 6-2 is the structure sectional view of the first dottle pin shown in Fig. 6-1；
Fig. 6-3 is second of structural schematic diagram of the first dottle pin of tension bearing provided in an embodiment of the present invention；
Fig. 6-4 is the structure sectional view of the first dottle pin shown in Fig. 6-3；
Fig. 7-1 is the assembly structure diagram of the third structure of tension bearing provided in an embodiment of the present invention；
Fig. 7-2 is the package assembly cross-sectional view of the third structure of tension bearing provided in an embodiment of the present invention；
Fig. 7-3 is the cross-sectional view of the third structure of tension bearing provided in an embodiment of the present invention；
Fig. 8-1 is the structure chart that main frame provided in an embodiment of the present invention and universal rotational adjust action piece；
Fig. 8-2 is the explosive view that main frame shown in Fig. 8-1 and universal rotational adjust action piece；
Fig. 8-3 and Fig. 8-4 is that fixed frame provided in an embodiment of the present invention, main frame and universal rotational adjust the two of action piece Kind status diagram；
Fig. 8-5 is that the self-actuating brake wheel carrier of pulling force provided in an embodiment of the present invention control shows about the structure of rotatable support It is intended to；
Fig. 9-1 is the structural schematic diagram of fixed frame provided in an embodiment of the present invention and main frame；
Fig. 9-2 is the explosive view of fixed frame and main frame shown in Fig. 9-1；
Figure 10-1 and Figure 10-2 is the first assembling of the self-actuating brake wheel carrier of pulling force provided in an embodiment of the present invention control Figure；
Figure 10-3 is second of assembling figure of the self-actuating brake wheel carrier of pulling force provided in an embodiment of the present invention control；
Figure 10-4 and Figure 10-5 is the two states figure of the self-actuating brake wheel carrier of pulling force provided in an embodiment of the present invention control；
Figure 11-1 and Figure 11-2 is the two states schematic diagram in pulling force source provided in an embodiment of the present invention.
Icon: 100- tension bearing；110- the first pulling force carrier；111- the first pulling force spacing head；112- spacing head groove； 120- the second pulling force carrier；121- the second pulling force spacing head；130- shell；131- first shell body opening；132- second shell body opening； 133- first is open；134- second is open；135- first shell portion；136- second shell portion；The first turntable of 140-；141- rolling Needle；142- ball；The first dottle pin of 150-；151- the first dottle pin slot；
210- repulsion component；The first magnet of 211-；The second magnet of 212-；213- spring；220- main frame；221- bearing； 222- rotational support chamber cover board；223- universal rotational fixes top；224- universal rotational fixes lower part；230- rotary wheel frame； 231- wheel carrier limiting slot；240- clamp；250- rotatable support；260- fixed frame；261- hollow screw；262- plane thrust axis It holds；270- universal rotational adjusts action piece；The universal action piece magnetic part of 271-；
300- wheel；400- vehicle frame；410- handle reseting elastic element；420- handle；510- the first wheel carrier pulling force carrier； 520- the second wheel carrier pulling force carrier.
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.
Embodiment
Referring to the self-actuating brake wheel carrier for shown in Fig. 1-1 to Figure 10-5, present embodiments providing a kind of pulling force control.
Wherein, Fig. 1-1 to Fig. 1-6 is the self-actuating brake wheel carrier of pulling force provided in this embodiment control and six kinds of knots of wheel Structure schematic diagram, wherein Fig. 1-1, Fig. 1-3, Fig. 1-4 to Fig. 1-6 are the braking state figure of the self-actuating brake wheel carrier of pulling force control, figure 1-2 is the self-actuating brake wheel carrier normally travel state diagram namely the first wheel carrier pulling force carrier under tension of pulling force control；Fig. 1-1 Two groups of repulsion components are shown with Fig. 1-2, Fig. 1-3 to Fig. 1-6 shows one group of repulsion component；Fig. 1-1 to Fig. 1-3, Fig. 1-5 and Repulsion component shown in Fig. 1-6 is magnet, the repulsion component position spring shown in Fig. 1-4；Thrust axis shown in Fig. 1-1 to Fig. 1-5 It holds and is located inside main frame, the tension bearing shown in Fig. 1-6 is located at outside main frame.Fig. 1-7 is pulling force provided in this embodiment The self-actuating brake wheel carrier of control and the perspective view of wheel, Fig. 1-8 are the braking state figure of the self-actuating brake wheel carrier of pulling force control, figure 1-9 is the self-actuating brake wheel carrier normally travel state diagram of pulling force control, and Fig. 1-10 is the automatic brake of the control of pulling force shown in Fig. 1-7 The explosive view of wheel carrier and wheel；Arrow shown in Fig. 1-8 is the repulsion direction of repulsion component, and Fig. 1-9 is vehicle wheel rotation direction.
Fig. 2-1 to Fig. 2-5, Fig. 3-1 are three kinds of tension bearing provided in this embodiment to Fig. 3-3 and Fig. 7-1 to Fig. 7-3 Structural schematic diagram；In order to more clearly show that structure, Fig. 2-1 and Fig. 2-3 are the first of tension bearing provided in this embodiment Two visual angle assembly structure diagrams of kind structure, Fig. 2-2 are the package assembly cross-sectional view of tension bearing shown in Fig. 2-1, figure 2-4 is the package assembly cross-sectional view of tension bearing shown in Fig. 2-3, and Fig. 2-5 is the first of tension bearing provided in this embodiment The cross-sectional view of kind structure；Fig. 3-1 and Fig. 3-2 is two visual angles assembling of second of structure of tension bearing provided in this embodiment Structural schematic diagram, Fig. 3-3 are the cross-sectional view of second of structure of tension bearing provided in this embodiment；Fig. 7-1 is the present embodiment The assembly structure diagram of the third structure of the tension bearing of offer, Fig. 7-2 are that the package assembly of the tension bearing of Fig. 7-1 is cutd open View, Fig. 7-3 are the cross-sectional view of the tension bearing of Fig. 7-1；Wherein, Fig. 2-1 to Fig. 2-4, Fig. 3-1, Fig. 3-2, Fig. 7-1 and Fig. 7- Arrow direction shown in 2 is the first pulling force carrier or the second pulling force carrier assembly orientation.Fig. 4 is thrust axis provided in this embodiment The autobalance schematic diagram when bearing pulling force is held, arrow direction is that the first pulling force carrier or the second pulling force carrier are subject in figure Direction of pull.Fig. 5-1 and Fig. 5-2 is two kinds of structural schematic diagrams of the first turntable of tension bearing provided in this embodiment；Fig. 6-1 With two kinds of structural schematic diagrams of the first dottle pin that Fig. 6-3 is tension bearing provided in this embodiment, wherein Fig. 6-2 is Fig. 6-1 institute The structure sectional view of the first dottle pin shown, Fig. 6-4 are the structure sectional view of the first dottle pin shown in Fig. 6-3.Fig. 2-6 is this implementation The structural schematic diagram of the Split type casing for the tension bearing that example provides.
Fig. 8-1 is the structure chart that main frame provided in this embodiment and universal rotational adjust action piece, and Fig. 8-2 is Fig. 8-1 Shown in main frame and universal rotational adjust the explosive view of action piece；Fig. 8-3 show universal rotational adjusting action piece and does not lock Fixed frame and main frame, so that the self-actuating brake wheel carrier of pulling force control is universal wheel wheel carrier；Fig. 8-4 show universal rotational adjusting Action piece locked and fixed frame and main frame, so that the self-actuating brake wheel carrier of pulling force control is directional wheel wheel carrier；Fig. 8-5 is this implementation Structural schematic diagram of the self-actuating brake wheel carrier for the pulling force control that example provides about rotatable support；Fig. 9-1 be the present embodiment provides Fixed frame and main frame structural schematic diagram；Fig. 9-2 is the explosive view of fixed frame and main frame shown in Fig. 9-1；Figure 10-1 With the first assembling figure for the self-actuating brake wheel carrier that Figure 10-2 is pulling force provided in this embodiment control；Figure 10-3 is the present embodiment Second of assembling figure of the self-actuating brake wheel carrier of the pulling force control of offer, Figure 10-4 and Figure 10-5 are pulling force provided in this embodiment The two states figure of the self-actuating brake wheel carrier of control.
Referring to shown in Fig. 1-1 to Figure 10-5, the self-actuating brake wheel carrier of pulling force control provided in this embodiment, suitable for having Supermarket shopping car, perambulator of wheel etc..
The self-actuating brake wheel carrier of pulling force control includes tension bearing 100, the second wheel carrier pulling force carrier 520, repulsion component 210, main frame 220 and the rotary wheel frame 230 for being rotated synchronously with wheel 300；Optionally, the self-acting braking wheel of pulling force control Frame includes the first wheel carrier pulling force carrier 510.
One end of second wheel carrier pulling force carrier 520 is connect with tension bearing 100, and the other end is connected with clamp 240.It is optional Ground, the first wheel carrier pulling force carrier 510 are connect with the second wheel carrier pulling force carrier 520 by tension bearing 100；Second wheel carrier pulling force carries Body 520 is connected with clamp 240 far from one end of tension bearing 100.
Rotary wheel frame 230 is provided at least one wheel carrier limiting slot 231 along the circumferential direction of itself；Clamp 240 can be limited with wheel carrier Position slot 231 is clamped；Optionally, the quantity of wheel carrier limiting slot 231 is multiple, for example, 2,3 or 4 etc.；Optionally, more A wheel carrier limiting slot 231 is uniformly arranged along the circumferential direction of rotary wheel frame 230.
Repulsion component 210 is oppositely arranged with the second wheel carrier pulling force carrier 520；And repulsion component 210 have enable clamp 240 block The movement tendency in wheel carrier limiting slot 231 is connect, so that the first wheel carrier pulling force carrier 510 is limited runner in the case where not by external force Frame 230 rotates in main frame 220；Optionally, repulsion component 210 is socketed on the second wheel carrier pulling force carrier 520；Optionally, The inside of the main frame 220 opposite with the second wheel carrier pulling force 520 positions of carrier is arranged in repulsion component 210.
Rotary wheel frame 230 is rotatably connected with main frame 220, and main frame 220 is arranged in repulsion component 210 and clamp 240 Main frame 220 is arranged in either internally or externally in inside, tension bearing 100；
The first wheel carrier pulling force carrier 510 is pulled so that tension bearing 100 is mobile with the first wheel carrier pulling force carrier 510, or Tension bearing 100 is pulled, and then keeps the second wheel carrier pulling force carrier 520 mobile with tension bearing 100, then overcomes repulsion component 210 power is so that clamp 240 realizes rotary wheel frame 230 with the movement of the second wheel carrier pulling force carrier 520 and far from wheel carrier limiting slot 231 It is rotated in main frame 220.
The self-actuating brake wheel carrier of the control of pulling force described in the present embodiment, has by repulsion component 210 and clamp 240 is enabled to be clamped In the movement tendency of wheel carrier limiting slot 231, with when not operating tension bearing 100, rotary wheel frame 230 is in stuck state, into And so that the wheel 300 rotated synchronously with rotary wheel frame 230 is in stuck state namely wheel 300 and be in self-actuating brake state；When When pulling tension bearing 100, the second wheel carrier pulling force carrier 520 is mobile with tension bearing 100, then overcomes repulsion component 210 Power is so that clamp 240 moves with the second wheel carrier pulling force carrier 520 and far from wheel carrier limiting slot 231, so that rotary wheel frame 230 is in certainly It is in by rotary state namely wheel 300 and state is freely rotated.It pulls tension bearing that can pull by other pulling force carriers, leads to The radial torque that tension bearing 100 reduced or substantially eliminated other pulling force carriers and the second wheel carrier pulling force carrier 520 is crossed, is reduced 240 moving resistance of clamp, convenient for the clamping of clamp 240 or far from wheel carrier limiting slot 231.The self-actuating brake wheel carrier of pulling force control It mechanically realizes the self-actuating brake under unstressed state, can be freely rotated, improve in the state of by pulling force With security performances such as perambulator, the shopping carts for rotating synchronously wheel 300 with rotary wheel frame 230.
Referring to shown in Fig. 1-1 to Fig. 1-3, Figure 10-1 and Figure 10-2, in the optinal plan of the present embodiment, repulsion component 210 The first magnet 211 and the second magnet 212 including mutual exclusion；First magnet 211 one end and main frame far from the second magnet 212 220 abut, and the second magnet 212 is abutted far from one end of the first magnet 211 with clamp 240；First magnet 211 and the second magnet Repulsion between 212 has the movement tendency for enabling clamp 240 be connected to wheel carrier limiting slot 231.Pass through the first magnet 211 of mutual exclusion With the second magnet 212, to realize that clamp 240 has the movement tendency for being connected to wheel carrier limiting slot 231, and then wheel 300 is realized Self-actuating brake；By pulling the first wheel carrier pulling force carrier 510, the mutual exclusion between the first magnet 211 and the second magnet 212 is overcome Power, to realize that clamp 240 far from wheel carrier limiting slot 231, and then realizes that wheel 300 can be freely rotated.Optionally, the second magnet 212 are fixedly connected with clamp 240；Optionally, clamp 240 is provided with the holding tank for accommodating the second magnet 212, connects in order to fixed Connect the second magnet 212.Optionally, main frame 220 is provided with the holding tank for accommodating the first magnet 211, in order to abut the first magnetic Iron 211.
In the optinal plan of the present embodiment, repulsion component 210 is not limited to above-mentioned magnet assemblies, can also be spring.Example Such as, referring to shown in Fig. 1-4, repulsion component 210 includes the spring 231 being socketed on the second wheel carrier pulling force carrier 520；Spring 231 One end abutted with main frame 220, the other end is abutted with clamp 240；Spring 231, which has, enables clamp 240 be connected to wheel carrier limit The movement tendency of slot 231.By spring 231, to realize that clamp 240 has the movement tendency for being connected to wheel carrier limiting slot 231, into And realize 300 self-actuating brake of wheel；By pulling the first wheel carrier pulling force carrier 510, the elastic force of spring 231 is overcome, to realize Clamp 240 realizes that wheel 300 can be freely rotated far from wheel carrier limiting slot 231.Optionally, spring 231 and clamp 240 It is fixedly connected；Optionally, clamp 240 is provided with the holding tank of accommodating portion spring 231, in order to abut or be fixedly connected bullet Spring 231.Optionally, main frame 220 is provided with the holding tank of accommodating portion spring 231, in order to abut spring 231.
Referring to shown in Fig. 1-1, Fig. 1-2, Figure 10-1 and Figure 10-2, in the optinal plan of the present embodiment, tension bearing 100 is set It sets at the inside of main frame 220, is socketed with repulsion component 210 on the first wheel carrier pulling force carrier 510；Repulsion component 210 has The trend for enabling tension bearing 100 move towards rotary wheel frame 230, and then there is the second wheel carrier pulling force carrier 520 towards rotary wheel frame The trend of 230 movements helps to reduce to share 210 load of repulsion component being oppositely arranged with the second wheel carrier pulling force carrier 520 Frictional force between first wheel carrier pulling force carrier and the spool of the first wheel carrier pulling force carrier.Pass through the first wheel carrier pulling force carrier 510 The repulsion component 210 of upper socket, the self-actuating brake wheel carrier self-actuating brake under unstressed state further controlled convenient for pulling force, Improve the self-stopping stability of self-actuating brake wheel carrier of pulling force control.
Optionally, the repulsion component 210 being socketed on the first wheel carrier pulling force carrier 510 can be above-mentioned magnet assemblies or bullet Spring.
Referring to shown in Fig. 1-7 to Fig. 1-10, Fig. 8-5, in the optinal plan of the present embodiment, it is articulated with inside main frame 220 For changing the rotatable support 250 of 520 extending direction of the second wheel carrier pulling force carrier；Rotatable support 250 is provided with and second The rotational support slot that wheel carrier pulling force carrier 520 cooperates；By rotational support slot in order to which rotatable support 250 is clamped the second wheel carrier Pulling force carrier 520 to change the extending direction of the second wheel carrier pulling force carrier 520, and then changes the first wheel carrier pulling force carrier 510 and draws The direction of the power of dynamic clamp 240.Rotatable support 250 is pulled using the second wheel carrier pulling force carrier 520, the automatic of pulling force control The sliding friction of the second wheel carrier pulling force carrier 520 becomes the rotation of bearing when brake wheel carrier movement, realizes the accurate control of pulling force While processed, bracing wire loss is reduced, the self-actuating brake wheel carrier service life of pulling force control is improved.
Optionally, be socketed on the second wheel carrier pulling force carrier 520 repulsion component 210 setting rotatable support 250 with Between clamp 240.
Optionally, referring to shown in Fig. 8-5, rotatable support 250 is pivotally connected by bearing 221 and main frame 220, passes through bearing 221 to improve the flexibility of the rotation of rotatable support 250, and reduces the frictional force of rotatable support rotation.
Optionally, main frame 220 is provided with rotational support chamber, and the drive-connecting shaft and bearing 221 of rotatable support 250 are arranged In rotational support chamber；Optionally, main frame 220 is provided with the rotational support chamber cover board 222 of buckle closure rotational support chamber, So that rotational support chamber forms closed chamber, prevent dust, worm ant from entering rotational support chamber.
Referring to shown in Fig. 8-1 to Fig. 8-5 and Fig. 9-1 to Fig. 9-2, in the optinal plan of the present embodiment, the pulling force control The self-actuating brake wheel carrier of system includes fixed frame 260；Main frame 220 is rotatably socketed on fixed frame 260；
The inside of fixed frame 260 is arranged in tension bearing 100, and fixed frame is protruded into one end of the second wheel carrier pulling force carrier 520 260 connect with tension bearing 100.When fixed frame 260 is fixed on the vehicles such as perambulator, shopping cart, by main frame 220 with Fixed frame 260 is rotatably connected, so that the self-acting braking wheel of pulling force control puts up the wheel carrier for universal wheel.Pulling force controls automatic Wheel carrier brake by fixed frame 260, main frame 220 and tension bearing 100 etc., can be reduced by tension bearing 100 or substantially The radial torque for eliminating the first wheel carrier pulling force carrier 510 and the second wheel carrier pulling force carrier 520, can reduce by 240 moving resistance of clamp, Perhaps far from wheel carrier limiting slot 231 and then reduction or substantially eliminate what universal rotational controlled pulling force convenient for the clamping of clamp 240 The self-actuating brake of self-actuating brake wheel carrier, the influence that state is freely rotated, so that the self-actuating brake of the self-actuating brake wheel carrier of pulling force control Can flexibly it change with the state of being freely rotated.
Referring to shown in Fig. 1-8, Fig. 1-9, Fig. 9-1 to Figure 10-5, in the optinal plan of the present embodiment, along fixed frame 260 Axial, fixed frame 260 includes corresponding top and bottom；
The bottom of fixed frame 260 connects main frame 220 by hollow screw 261；Hollow screw 261 has axial along itself The hollow screw through-hole of extension, the second wheel carrier pulling force carrier 520 pass through hollow screw through-hole and connect with tension bearing 100.
Optionally, it is provided with the nut being spirally connected with hollow screw 261 in fixed frame 260 or the bottom of fixed frame 260 is set It is equipped with the threaded hole being spirally connected with hollow screw 261.
Optionally, plain thrust bearing 262 is provided between the nut of hollow screw 261 and main frame 220, by flat The radial torque between fixed frame 260 and main frame 220 is isolated in face thrust bearing 262；And/or bottom and the master of fixed frame 260 Plain thrust bearing 262 is provided between body frame 220, which primarily serves load-bearing effect.That is, hollow Plain thrust bearing 262 is provided between the nut and main frame 220 of screw 261；Or bottom and the main frame of fixed frame 260 Plain thrust bearing 262 is provided between 220；Or plane is provided between the nut and main frame 220 of hollow screw 261 and is pushed away Plain thrust bearing 262 is provided between the bottom and main frame 220 of power bearing 262 and fixed frame 260.
Optionally, it is provided with bearing between the top of fixed frame 260 and main frame 220, to reduce fixed frame 260 and main body Frictional force of the frame 220 in rotation.
Referring to shown in Fig. 8-1 to Fig. 8-4, in the optinal plan of the present embodiment, along the axial direction of fixed frame 260, fixed frame 260 Including corresponding top and bottom；The top of fixed frame 260 and the top of main frame 220 cooperate；
The universal rotational that is externally connected to of main frame 220 adjusts action piece 270；Main frame 220 has grafting universal rotational Adjust the universal rotation stop hole of main frame of action piece 270；The top of fixed frame 260 has can be corresponding with the universal rotation stop hole of main frame The universal rotation stop hole of fixed frame；
Along the axial direction of fixed frame 260, universal rotational adjusts action piece 270 and can move back and forth.Wherein, universal rotational is adjusted It the direction that action piece 270 moves back and forth can be for along the direction of main frame 220, or with 220 direction of main frame in angle Direction.
Optionally, along the axial direction of fixed frame 260, universal rotational adjusts action piece 270 and can back and forth move along main frame 220 It is dynamic, so that universal rotational adjusts the insertion of action piece 270 or far from the universal rotation stop hole of fixed frame.Universal rotational is adjusted into action piece The 270 insertion universal rotation stop holes of fixed frame, so as to cannot be rotatablely connected between fixed frame 260 and main frame 220, so that pulling force controls Self-actuating brake wheel carrier be directional wheel wheel carrier；Universal rotational is adjusted into action piece 270 far from the universal rotation stop hole of fixed frame, so that It can be rotatablely connected between fixed frame 260 and main frame 220, so that the self-actuating brake wheel carrier of pulling force control is the wheel of universal wheel Frame.Arrow shown in Fig. 8-1 is the direction that universal rotational adjusts that action piece 270 moves back and forth.
Optionally, the outside of main frame 220 is fixedly installed the fixed top 223 of universal rotational and the fixed lower part of universal rotational 224；Along the axial direction of fixed frame 260, the top of main frame 220 is arranged in for the fixed top 223 of universal rotational and universal rotational is fixed Between lower part 224；
Universal rotational adjusts action piece 270 and is fixedly installed universal action piece magnetic part 271；Along the axial direction of fixed frame 260, Universal rotational is fixed the fixed lower part 224 of top 223, universal action piece magnetic part 271 and universal rotational and is set gradually；Universal rotational The inside on fixed top 223, universal action piece magnetic part 271 and the fixed lower part 224 of universal rotational is provided with magnet, and adjacent Two magnet attract each other；Namely；In magnet and universal action piece magnetic part 271 inside the fixed top 223 of universal rotational The magnet in portion attracts each other, the magnet inside the fixed lower part 224 of universal rotational and the magnet inside universal action piece magnetic part 271 It attracts each other.
When universal rotational adjusting action piece 270 is moved along main frame 220, so that universal action piece under the action of magnetic attraction Magnetic part 271 is connect with the fixed top 223 of universal rotational, and it is universal only to enable universal rotational adjust the insertion fixed frame of action piece 270 Turn hole, so as to cannot be rotatablely connected between fixed frame 260 and main frame 220, so that the self-actuating brake wheel carrier of pulling force control is fixed To the wheel carrier of wheel；Alternatively, so that universal action piece magnetic part 271 and the fixed lower part 224 of universal rotational under the action of magnetic attraction Connection, and universal rotational is enabled to adjust action piece 270 far from the universal rotation stop hole of fixed frame so that fixed frame 260 and main frame 220 it Between can be rotatablely connected so that pulling force control self-actuating brake wheel carrier be universal wheel wheel carrier.
Tension bearing 100 described in the present embodiment can effectively reduce friction, such as the pulling force between two pulling force carriers is connect While continuing, the radial rotating threshold value between pulling force carrier is reduced using ball or needle roller, pulling force carrier is made only to need very little Radial torque can become the radial rotating state using direction of pull as shaft from stationary state.100 energy of tension bearing Prevent pulling force carrier from kink phenomenon occurs, to avoid pulling force distortion, tension ohject displacement increases, pulling force carrier structure damage Bad the problems such as.
Referring to fig. 2 shown in-1 to Fig. 7-3, tension bearing 100 is for connecting the first pulling force carrier 110 and the second pulling force carrier 120；
First pulling force carrier 110 is the first wheel carrier pulling force carrier 510, and the second pulling force carrier 12 0 is the second wheel carrier pulling force load Body 520；Alternatively, the first pulling force carrier 110 is the second wheel carrier pulling force carrier 520, the second pulling force carrier 12 0 is the first wheel carrier pulling force Carrier 510；That is, tension bearing 100 is limited without direction when in use.
Referring to fig. 2 shown in-1 to Fig. 7-3, optionally, tension bearing 100 connects the first pulling force carrier 110 and the second pulling force Carrier 12 0, the tension bearing 100 include shell 130 and radial torque barrier assembly；
The first end of shell 130 for connect the first pulling force carrier 110, corresponding with first end the second of shell 130 End is for connecting the second pulling force carrier 12 0；Optionally, the axis of the axis of the first pulling force carrier 110 and the second pulling force carrier 12 0 It is overlapped；Namely the axis along the first pulling force carrier 110, shell 130 are provided with corresponding first end and second end.
Radial torque barrier assembly includes the first turntable 140；First turntable, 140 housing on the first pulling force carrier 110, That is the first pulling force carrier 110 passes through the first turntable 140.
Shell 130 is internally provided with shell internal cavity；The first end of shell 130 is provided with the first shell being connected to shell internal cavity Body opening 131；
One end of first pulling force carrier 110 is provided with the first pulling force spacing head 111；First pulling force spacing head 111 and first Turntable 140 is arranged in shell internal cavity；First pulling force carrier 110 passes through first shell far from one end of the first pulling force spacing head 111 Body opening 131 simultaneously stretches out the other end of shell 130 namely the first pulling force carrier 110 across first shell body opening 131 and stretches out shell 130；For example, the other end of the first pulling force carrier 110 sequentially passes through the first turntable 140 and first shell body opening 131, and stretch out shell 130；First pulling force spacing head 111 can by, utilize the first turntable 140 abut shell 130；Optionally, the first turntable 140 has Have and wears the first turntable through-hole for connecing the first pulling force carrier 110；Optionally, the axis of the first turntable through-hole and the first turntable 140 Axis is overlapped.Optionally, along the radial direction of the first turntable 140, the diameter of the first pulling force spacing head 111 is greater than the first turntable through-hole Diameter.Optionally, along the radial direction of the first turntable 140, the diameter of the first turntable 140 is greater than the diameter of first shell body opening 131.
First turntable 140 is provided with the multiple rotors abutted with shell 130.
Tension bearing 100 described in the present embodiment connect the first pulling force carrier 110 by the first end of shell 130, the Two ends connect the second pulling force carrier 12 0, and the first pulling force spacing head 111 of the first pulling force carrier 110 and the setting of the first turntable 140 exist In shell internal cavity inside shell 130, and the first turntable 140 is connect with shell 130 by multiple rotors, so that the first pulling force While pulling force between carrier 110 and the second pulling force carrier 12 0 connects, friction is effectively reduced using rotor, is reduced Radial rotating threshold value between first pulling force carrier 110 and the second pulling force carrier 12 0 draws the first pulling force carrier 110 and second Power carrier 12 0 only needs the radial torque of very little that can become the radial rotating shape using direction of pull as shaft from stationary state State can also effectively prevent the first pulling force carrier 110 and the second pulling force carrier 12 0 that kink phenomenon occurs, and then effectively avoid drawing The problems such as power distortion, tension ohject displacement increase, pulling force carrier structure damages.
Referring to fig. 2 shown in-1 to Fig. 7-3, the first end of shell 130 is connected with the first pulling force carrier 110, shell 130 with The corresponding second end of first end is connected with the second pulling force carrier 12 0；The axis of first pulling force carrier 110 and the second pulling force carrier 120 axis is overlapped；Namely the axis along the first pulling force carrier 110, shell 130 are provided with corresponding first end and second End.
Radial torque barrier assembly includes the first turntable 140；
Shell 130 is internally provided with shell internal cavity；The first end of shell 130 is provided with the first shell being connected to shell internal cavity Body opening 131；
One end of first pulling force carrier 110 is provided with the first pulling force spacing head 111；First pulling force spacing head 111 and first Turntable 140 is arranged in shell internal cavity；First pulling force carrier 110 passes through first shell far from one end of the first pulling force spacing head 111 Body opening 131 simultaneously stretches out the other end of shell 130 namely the first pulling force carrier 110 across first shell body opening 131 and stretches out shell 130；For example, the other end of the first pulling force carrier 110 sequentially passes through the first turntable 140 and first shell body opening 131, and stretch out shell 130；First pulling force spacing head 111 can abut shell 130 by the first turntable 140.
First turntable 140 is provided with the multiple rotors abutted with shell 130.
Optionally, the first pulling force carrier 110 and the second pulling force carrier 12 0 are the object for conducting pulling force；Optionally, it first draws Power carrier 110 and the second pulling force carrier 12 0 are respectively rope, line or stick etc.；Optionally, the first pulling force carrier 110 and the second pulling force The material of carrier 12 0 is same or different.
Tension bearing 100 described in the present embodiment, structure is simple, install convenient, can it is convenient, effectively by first draw With the connection type of power carrier 110 and second pulling force carrier 12 0 the two pulling force carriers is changed to roll from clearance fit, greatly The rotation threshold value between pulling force carrier is reduced, kink phenomenon is eliminated or substantially eliminate；It may also reach up and eliminate in tension system Excessive radial torque, accurate conduction pulling force, the purpose for extending tension system whole service life.
Shown in Figure 4, three tension bearings 100 illustrate tension bearing 100 and are bearing pulling force from left to right in figure When, it can rotate automatically using radial direction as axis to the process axially to direction of pull overlapping of tension bearing 100.As shown in figure 4, The position of first pulling force carrier 110 and the second pulling force carrier 12 0 is located at the both ends of tension bearing 100；Therefore thrust axis 100 are held when bearing pulling force, meeting autobalance to the axial state Chong Die with direction of pull.
Referring to shown in Fig. 5-1 and Fig. 5-2, optionally, the rotor of the first turntable 140 is needle roller 141 or ball 142, or Other rolling elements of person；Wherein, being arranged radially axially along turntable of needle roller.It can be appreciated that the first turntable 140 turns for needle roller Disk or ball turntable or other rolling element turntables.
Referring to shown in Fig. 3-3, optionally, the first pulling force spacing head 111 is provided with spacing head groove 112 in a ring；The Multiple rotors of one turntable 140 and spacing head groove 112 are cooperatively connected, and multiple rotors of the first turntable 140 can be around The axis of first turntable 140 is rotated in spacing head groove 112.It is more in order to the first turntable 140 by spacing head groove 112 A rotor preferably rotates.
Optionally, the rotor of the first turntable 140 is needle roller 141, and 151 radial section of the first dottle pin slot is rectangle.It is optional Ground, the rotor of the first turntable 140 are ball, and 151 radial section of the first dottle pin slot is arc.
In the optinal plan of the present embodiment, the first pulling force spacing head 111 can be directly connected to the first turntable 140, can also To enable the first pulling force spacing head 111 that can be indirectly connected with the first turntable 140 by dottle pin.
Optionally, it referring to fig. 2 shown in-1 to Fig. 2-5, is provided between the first pulling force spacing head 111 and the first turntable 140 First dottle pin 150.By the first dottle pin 150 in order to preferably connecting between the first pulling force spacing head 111 and the first turntable 140 It connects, and then acts on the first turntable 140 convenient for the power that the first pulling force carrier 110 acts on the first pulling force spacing head 111.
Optionally, along the axis direction perpendicular to the first pulling force carrier 110, the sectional area of the first dottle pin 150 is not less than the The area for the circle that multiple rotors of one turntable 140 are formed；Can be understood as the first dottle pin 150 can cover the first turntable 140 Multiple rotors so that the sectional area of the first dottle pin 150 is enough big.
Referring to shown in Fig. 6-1 to Fig. 6-4, optionally, the first dottle pin slot of the first dottle pin 150 being provided on one side in a ring 151；
Multiple rotors of first turntable 140 and the first dottle pin slot 151 are cooperatively connected, and multiple turns of the first turntable 140 Kinetoplast can be rotated around the axis of the first turntable 140 in the first dottle pin slot 151.By the first dottle pin slot 151, in order to first turn Multiple rotors of disk 140 preferably rotate.
Optionally, the rotor of the first turntable 140 is needle roller 141, and 151 radial section of the first dottle pin slot is rectangle, is such as schemed 6-1 and Fig. 6-2.
Optionally, the rotor of the first turntable 140 is ball, and 151 radial section of the first dottle pin slot is arc, such as Fig. 6-3 With Fig. 6-4.
Referring to fig. 2 shown in -5, in the optinal plan of the present embodiment, the first dottle pin 150 is matched with the first pulling force spacing head 111 Conjunction face is the conical surface or spherical surface.By the conical surface or mating spherical surfaces, to improve the first dottle pin 150 and the first pulling force spacing head 111 Cooperation precision.
In the optinal plan of the present embodiment, the second pulling force carrier 12 0 is fixedly connected with the second end of shell 130.For example, the Two pulling force carrier 12s 0 are directly anchored on shell 130.
Referring to fig. 2 shown in-1 to Fig. 3-3, in the optinal plan of the present embodiment, shell 130 is internally provided with shell internal cavity； The second end of shell 130 is provided with the second shell body opening 132 being connected to shell internal cavity；Optionally, shell internal cavity can be one Hole, or two holes；Optionally, shell internal cavity includes the first cavity and the second cavity；First shell body opening 131 and the second sky Chamber connection, second shell body opening 132 are connected to the second cavity；Optionally, the first cavity and the second cavity are not connected to mutually.
One end of second pulling force carrier 12 0 is provided with the second pulling force spacing head 121；The setting of second pulling force spacing head 121 exists In shell internal cavity, the other end of the second pulling force carrier 12 0 passes through second shell body opening 132 and stretches out shell 130；The limit of second pulling force First 121 can abut shell 130.Optionally, along the radial direction of second shell body opening 132, the diameter of the second pulling force spacing head 121 is greater than The diameter of second shell body opening 132.Cooperated by the second pulling force spacing head 121 that the second pulling force carrier 12 0 is arranged with shell 130, With the rotation threshold value being further effectively reduced between the first pulling force carrier 110 and the second pulling force carrier 12 0, make two pulling force carriers Very small torque energy radial rotary is only needed, by two free radial rotaries of pulling force carrier, radial torque is blocked to exist It is conducted between two pulling force carriers；And then reaches and eliminate excessive radial torque in tension system, accurate conduction pulling force, extends pulling force system The purpose of system whole service life.
Referring to fig. 2 shown in-5 and Fig. 3-3, optionally, the mating surface of shell 130 and the second pulling force spacing head 121 is the conical surface Or spherical surface；By the conical surface or mating spherical surfaces, to improve the cooperation precision of shell 130 and the second pulling force spacing head 121.
In the optinal plan of the present embodiment, radial torque barrier assembly includes the second turntable (figure in shell internal cavity In do not show)；
The other end of second pulling force carrier 12 0 sequentially passes through the second turntable and second shell body opening 132, and stretches out shell 130； Second pulling force spacing head 121 abuts shell 130 by the second turntable；
Second turntable is provided with the multiple rotors abutted with shell 130.It is abutted by the second turntable and with shell 130 Multiple rotors are made with the rotation threshold value being further effectively reduced between the first pulling force carrier 110 and the second pulling force carrier 12 0 Two pulling force carriers only need very small torque energy radial rotary, pass through two free radial rotaries of pulling force carrier, resistance Disconnected radial direction torque is conducted between two pulling force carriers；And then reaches and eliminate excessive radial torque in tension system, accurate conduction drawing Power, the purpose for extending tension system whole service life.
Optionally, the rotor of the second turntable can be same or different with the rotor of the first turntable 140.Second turntable Rotor can be needle roller or ball or other rolling elements；Wherein, being arranged radially axially along turntable of needle roller.It can also To be interpreted as the second turntable as needle roller turntable or ball turntable or other rolling element turntables.
Optionally, the second turntable, which has, wears the second turntable through-hole for connecing the second pulling force carrier 12 0；Optionally, the second turntable The axis of through-hole is overlapped with the axis of the second turntable.Optionally, along the radial direction of the second turntable, the second pulling force spacing head 121 it is straight Diameter is greater than the diameter of the second turntable through-hole.Optionally, along the radial direction of the second turntable, the diameter of the second turntable is greater than second shell body opening 132 diameter.
In the optinal plan of the present embodiment, along the axis perpendicular to the first pulling force carrier 110, shell 130 is provided with and shell First opening 133 of internal cavity connection and the second opening 134；First opening 133 and the second opening 134 are located at the of shell 130 Between one end and second end.For example, shell 130 is provided with the first opening 133 being connected to the first cavity and connects with the second cavity The second logical opening 134.By the first opening 133 and the second opening 134, in order to simplify the structure of tension bearing 100, so as to In the production and processing of tension bearing 100.
Optionally, the diameter of the first turntable 140 and the diameter of the first pulling force spacing head 111 are respectively less than the first opening 133 Bore.
Optionally, bore of the diameter of the second pulling force spacing head 121 less than the second opening 134.
Optionally, the direction of the first opening 133 and the second opening 134 is different.
Referring to fig. 2 shown in -6, optionally, shell 130 includes first shell portion 135 and second shell portion 136；
First shell portion 135 is fixedly connected with second shell portion 136, and first shell portion 135 and 136 shape of second shell portion Shelling internal cavity；Optionally, first shell portion 135 is connected through a screw thread with second shell portion 136, welds or the side such as screw is connect Formula is fixedly connected.
The one end of first shell portion 135 far from second shell portion 136 is the first end of shell 130；Namely first shell portion 135 one end far from second shell portion 136 are for connecting the first pulling force carrier 110.
The one end of second shell portion 136 far from first shell portion 135 is the second end of shell 130；Namely second shell portion 136 one end far from first shell portion 135 are for connecting the second pulling force carrier 12 0.Optionally, second shell portion 136 and second Pulling force carrier 12 0 is fixedly connected；Such as second shell portion 136 and the second pulling force carrier 12 0 are integrally formed.
Optionally, first shell portion 135 is provided with first shell body opening 131.
Optionally, second shell portion 136 is provided with second shell body opening 132.Optionally, one end of the second pulling force carrier 12 0 It is provided with the second pulling force spacing head 121 being located in shell internal cavity, the other end of the second pulling force carrier 12 0 passes through second shell body opening 132 and stretch out shell 130.
Referring to shown in Fig. 7-1 and Fig. 7-3, optionally, the first turntable is plain thrust bearing；Plain thrust bearing includes protecting Hold frame and multiple rotors；Multiple rotors abut shell 130 by retainer, that is, multiple rotors pass through between retainer It connects and abuts shell 130.It is plain thrust bearing by the first turntable, so as to can get very high axial load under the space of very little Lotus and high rigidity.
Optionally, the second turntable is plain thrust bearing.
Tension bearing 100 described in the present embodiment, however it is not limited to which the drawstring with spacing head is applicable in, and is not limited to pulling force carrier and is worn Enter direction, mode and the sequence of tension bearing 100.Any object for being able to bear pulling force, it is all using based on plain thrust bearing The self-balancing type pulling sleeve of equal turntables is the conduction of pulling force, and is axially drawn using the turntables such as plain thrust bearing conduction tension system Power, have the device by self-equilibrium characteristic when pulling force, in protection scope of the present invention.
Optionally, referring to shown in Figure 10-1, the installation method of the self-actuating brake wheel carrier of the control of pulling force described in the present embodiment, the One wheel carrier pulling force carrier 510 is connect with the second wheel carrier pulling force carrier 520 by tension bearing 100, the first wheel carrier pulling force carrier 510 It is cased with repulsion component 210 outside, is cased with repulsion component 210 and clamp 240 outside the second wheel carrier pulling force carrier 520, wherein the first magnet 211, the second magnet 212 and clamp 240 are successively set on the second wheel carrier pulling force carrier 520, and clamp 240 is far from the second magnet 212 are provided with the card slot for accommodating pulling force spacing head on one side；Pulling force spacing head is adjusted on the second wheel carrier pulling force carrier 520 It after position, enables pulling force spacing head be fixed on the second wheel carrier pulling force carrier 520, and form structure shown in Figure 10-2, later will The second extra wheel carrier pulling force carrier 520 is cut.
Optionally, referring to shown in Figure 10-3, the installation method of the self-actuating brake wheel carrier of the control of pulling force described in the present embodiment is gone back There can be card slot for clamp 240；The repulsion component 210 of first wheel carrier pulling force carrier, 510 housing, the second wheel carrier pulling force carrier After the repulsion component 210 of 520 housings installs, position of the pulling force spacing head on the second wheel carrier pulling force carrier 520 is adjusted simultaneously It enables pulling force spacing head be fixed on the second wheel carrier pulling force carrier 520, clamp 240 is enabled to be connected to the second wheel carrier pulling force carrier later On 520.
The present embodiment additionally provides a kind of wheel assembly, the self-acting braking wheel including wheel 300 and above-mentioned pulling force control Frame.
Wheel 300 is connect with the rotary wheel frame 230 for the self-actuating brake wheel carrier that pulling force controls, and rotary wheel frame 230 and wheel 300 are same Step rotation, so that wheel 300 can be in relative to fixed frame is freely rotated state or braking state.
The technical characteristic of the self-actuating brake wheel carrier of the control of pulling force disclosed in the present embodiment is also applied for the wheel assembly, this The technical characteristic of the self-actuating brake wheel carrier of the published pulling force control of embodiment is not repeated to describe.Wheel described in the present embodiment Device has the advantages that the self-actuating brake wheel carrier of above-mentioned pulling force control, the automatic brake of the pulling force control disclosed in the present embodiment The advantages of wheel carrier, is not repeated to describe herein.
Pulling force described in the present embodiment control self-actuating brake wheel carrier and the wheel assembly pulling force can there are many Source.For example Figure 11-1 and Figure 11-2 is the two states schematic diagram in pulling force source provided in this embodiment；Referring to Figure 11-1 and figure Shown in 11-2, handle 420 is articulated on vehicle frame 400；The fixed frame 260 and vehicle frame 400 of the self-actuating brake wheel carrier of pulling force control are solid Fixed connection；First wheel carrier pulling force carrier 510 is connect with one end of handle 420, by acting on 420 other end of handle, so that handle 420 one end is rotated around drive-connecting shaft, and then the first wheel carrier pulling force carrier 510 is pulled therewith, by wheel 300 by braking state It changes into be in relative to fixed frame and state is freely rotated.Optionally, it is provided between handle 420 and vehicle frame 400 and enables handle Hand 420 restores the handle reseting elastic element 410 of reset condition, so that after the active force for acting on handle 420 is recalled, handle 420 can restore reset condition.For vehicle frame for example using on the stroller, trammer only needs hand to put down gently on handle, and handle will The first wheel carrier pulling force carrier is pulled, wheel assembly is made not brake；This process description are as follows: as shown in Figure 11-2, cart manpower is put When on handle, perambulator does not brake, and perambulator is removable；As shown in Figure 11-1, cart manpower leaves handle, pulling force control Self-actuating brake wheel carrier loses pulling force, and handle resets under the action of handle reseting elastic element 410, and the first wheel carrier pulling force carrier is multiple Position, self-actuating brake.Optionally, deconcentrator is installed in suitable position on the stroller, can be achieved with the pulling force at handle and is transferred to Each wheel is realized all wheels while being controlled.
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 (18)

1. a kind of self-actuating brake wheel carrier of pulling force control, which is characterized in that including tension bearing, the second wheel carrier pulling force carrier, reprimand Power component, main frame and rotary wheel frame；
One end of the second wheel carrier pulling force carrier is connect with the tension bearing, and the other end is connected with clamp；
The rotary wheel frame is provided at least one wheel carrier limiting slot along the circumferential direction of itself；The clamp can be limited with the wheel carrier Slot clamping；
The repulsion component is oppositely arranged with the second wheel carrier pulling force carrier, and the repulsion component have enable the clamp card Connect the movement tendency in the wheel carrier limiting slot；
The rotary wheel frame is rotatably connected with the main frame, and the main frame is arranged in the repulsion component and the clamp The main frame is arranged in either internally or externally in inside, the tension bearing；
The tension bearing is pulled, so that the second wheel carrier pulling force carrier is mobile with the tension bearing, it is then so that described Clamp is far from the wheel carrier limiting slot.
2. the self-actuating brake wheel carrier of pulling force control according to claim 1, which is characterized in that carried including the first wheel carrier pulling force Body；
The first wheel carrier pulling force carrier is connect with the second wheel carrier pulling force carrier by the tension bearing；
The first wheel carrier pulling force carrier is pulled, so that the second wheel carrier pulling force carrier is mobile with the tension bearing, then So that the clamp is far from the wheel carrier limiting slot.
3. the self-actuating brake wheel carrier of pulling force control according to claim 1 or 2, which is characterized in that the repulsion component packet Include the first magnet and the second magnet of mutual exclusion；The one end of first magnet far from second magnet is supported with the main frame It connects, second magnet is abutted far from one end of first magnet with the clamp；First magnet and second magnetic Repulsion between iron has the movement tendency for enabling the clamp be connected to the wheel carrier limiting slot；
Alternatively, the repulsion component includes the spring being socketed on the second wheel carrier pulling force carrier；One end of the spring with The main frame abuts, and the other end is abutted with the clamp；The spring, which has, enables the clamp be connected to the wheel carrier limit The movement tendency of slot.
4. the self-actuating brake wheel carrier of pulling force control according to claim 2, which is characterized in that the tension bearing setting exists When the inside of the main frame, the repulsion component is socketed on the first wheel carrier pulling force carrier；The repulsion component has The trend for enabling the tension bearing move towards the rotary wheel frame.
5. the self-actuating brake wheel carrier of pulling force control according to claim 1 or 2, which is characterized in that inside the main frame It is articulated with for changing the rotatable support of the second wheel carrier pulling force carrier extending direction；The rotatable support be provided with The rotational support slot of the second wheel carrier pulling force carrier combination；
The repulsion component is arranged between the rotatable support and the clamp.
6. the self-actuating brake wheel carrier of pulling force control according to claim 1 or 2, which is characterized in that including fixed frame；It is described Main frame is rotatably socketed on the fixed frame；
The inside of the fixed frame is arranged in the tension bearing, and the fixation is protruded into one end of the second wheel carrier pulling force carrier Frame is connect with the tension bearing.
7. the self-actuating brake wheel carrier of pulling force control according to claim 6, which is characterized in that along the axis of the fixed frame To the fixed frame includes corresponding top and bottom；
The bottom of the fixed frame connects the main frame by hollow screw；The hollow screw has axially extending along itself Hollow screw through-hole, the second wheel carrier pulling force carrier pass through the hollow screw through-hole connect with the tension bearing；
The bottom that the nut or the fixed frame that are spirally connected with the hollow screw are provided in the fixed frame is provided with and institute State the threaded hole that hollow screw is spirally connected.
8. the self-actuating brake wheel carrier of pulling force control according to claim 7, which is characterized in that the nut of the hollow screw Plain thrust bearing is provided between the main frame, and/or, it is arranged between the bottom of the fixed frame and the main frame There is plain thrust bearing；
Bearing is provided between the top of the fixed frame and the main frame.
9. the self-actuating brake wheel carrier of pulling force control according to claim 6, which is characterized in that along the axis of the fixed frame To the fixed frame includes corresponding top and bottom；The top of the fixed frame and the top of the main frame cooperate；
The universal rotational that is externally connected to of the main frame adjusts action piece；The main frame has universal rotational tune described in grafting Save the universal rotation stop hole of main frame of action piece；The top of the fixed frame has can be corresponding with the universal rotation stop hole of the main frame The universal rotation stop hole of fixed frame；
Along the axial direction of the fixed frame, the universal rotational adjusts action piece and can move back and forth, so that the universal rotational tune Save action piece insertion or far from the universal rotation stop hole of the fixed frame.
10. the self-actuating brake wheel carrier of pulling force control according to claim 9, which is characterized in that the outside of the main frame It is fixedly installed the fixed top of universal rotational and the fixed lower part of universal rotational；Along the axial direction of the fixed frame, the universal rotational Fixed top is arranged between the top of the main frame and the fixed lower part of the universal rotational；
The universal rotational adjusts action piece and is fixedly installed universal action piece magnetic part；It is described along the axial direction of the fixed frame Universal rotational is fixed the fixed lower part of top, the universal action piece magnetic part and the universal rotational and is set gradually；It is described universal The inside for rotating fixed top, the universal action piece magnetic part and the fixed lower part of the universal rotational is provided with magnet, and Two adjacent magnet attract each other；
When the universal rotational adjusting action piece is moved along the main frame, so that the universal movement under the action of magnetic attraction Part magnetic part is connect with the fixed top of the universal rotational, and is enabled the universal rotational adjust action piece and be inserted into the fixed frame ten thousand To rotation stop hole, alternatively, so that the universal action piece magnetic part and the fixed lower part of the universal rotational under the action of magnetic attraction Connection, and the universal rotational is enabled to adjust action piece far from the universal rotation stop hole of the fixed frame.
11. the self-actuating brake wheel carrier of pulling force control according to claim 2, which is characterized in that the tension bearing is used for Connect the first pulling force carrier and the second pulling force carrier；
The first pulling force carrier is the first wheel carrier pulling force carrier, and the second pulling force carrier is the second wheel carrier pulling force Carrier；Alternatively, the first pulling force carrier is the second wheel carrier pulling force carrier, the second pulling force carrier is the first round Frame pulling force carrier；
The tension bearing includes shell and radial torque barrier assembly；
One end of the first pulling force carrier is provided with the first pulling force spacing head；
The first end of the shell connects the first pulling force carrier, second end corresponding with the first end connection of the shell The second pulling force carrier；
The radial direction torque barrier assembly includes the first turntable；
The enclosure interior is provided with shell internal cavity；The first end of the shell is provided with first be connected to the shell internal cavity Housing bore；The first pulling force spacing head and first turntable are arranged in the shell internal cavity, and the first turntable set On the first pulling force carrier；The first pulling force spacing head can abut the shell using first turntable；
The first pulling force carrier passes through described in the first shell body opening and stretching far from one end of the first pulling force spacing head Shell；
First turntable is provided with the multiple rotors abutted with the shell.
12. the self-actuating brake wheel carrier of pulling force control according to claim 11, which is characterized in that the first pulling force limit The first dottle pin is provided between head and first turntable；
The the first dottle pin slot of first dottle pin being provided on one side in a ring；
Multiple rotors of first turntable and the first dottle pin slot are cooperatively connected, and multiple rotations of first turntable Body can be rotated around the axis of first turntable in the first dottle pin slot.
13. the self-actuating brake wheel carrier of pulling force control according to claim 11, which is characterized in that first turntable is flat Face thrust bearing；
The plain thrust bearing includes retainer and multiple rotors；Multiple rotors abut the shell by retainer.
14. the self-actuating brake wheel carrier of pulling force control according to claim 11, which is characterized in that the second end of the shell It is provided with the second shell body opening being connected to the shell internal cavity；
One end of the second pulling force carrier is provided with the second pulling force spacing head in the shell internal cavity；Described second draws The other end of power carrier passes through the second shell body opening and stretches out the shell；The second pulling force spacing head can abut described Shell.
15. the self-actuating brake wheel carrier of pulling force according to claim 14 control, which is characterized in that the shell be provided with The first opening and the second opening of the shell internal cavity connection；First opening and second opening are located at the shell Between first end and second end；
The diameter of first turntable and the diameter of the first pulling force spacing head are respectively less than the bore of first opening；
The diameter of the second pulling force spacing head is less than the bore of second opening.
16. the self-actuating brake wheel carrier of pulling force control according to claim 11, which is characterized in that the shell includes first Housing section and second shell portion；
The first shell portion is fixedly connected with the second shell portion, and the first shell portion and second shell portion shape At the shell internal cavity；
The one end of the first shell portion far from the second shell portion is the first end of the shell；
The one end of the second shell portion far from the first shell portion is the second end of the shell.
17. the self-actuating brake wheel carrier of pulling force control according to claim 11, which is characterized in that the second pulling force carrier It is fixedly connected with the second end of the shell；
And/or shown first pulling force spacing head is provided with spacing head groove in a ring；Multiple rotors of first turntable It is cooperatively connected with the spacing head groove, and multiple rotors of first turntable can exist around the axis of first turntable The spacing head groove rotation.
18. a kind of wheel assembly, which is characterized in that including oneself of wheel and the described in any item pulling force controls of claim 1-17 Dynamic brake wheel carrier；
The wheel is connect with the rotary wheel frame for the self-actuating brake wheel carrier that the pulling force controls, and the rotary wheel frame and the wheel are same Step rotation.
CN201811513739.7A 2018-12-11 2018-12-11 The self-actuating brake wheel carrier and wheel assembly of pulling force control Pending CN109466613A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201811513739.7A CN109466613A (en) 2018-12-11 2018-12-11 The self-actuating brake wheel carrier and wheel assembly of pulling force control
CN201920637654.3U CN210139890U (en) 2018-12-11 2019-05-06 Tension-controlled automatic brake wheel frame and wheel device
CN201910367414.0A CN110239606B (en) 2018-12-11 2019-05-06 Automatic braking wheel carrier and wheel device controlled by pulling force

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811513739.7A CN109466613A (en) 2018-12-11 2018-12-11 The self-actuating brake wheel carrier and wheel assembly of pulling force control

Publications (1)

Publication Number Publication Date
CN109466613A true CN109466613A (en) 2019-03-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811513739.7A Pending CN109466613A (en) 2018-12-11 2018-12-11 The self-actuating brake wheel carrier and wheel assembly of pulling force control

Country Status (1)

Country Link
CN (1) CN109466613A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110406584A (en) * 2019-04-26 2019-11-05 天津益智汽车用品有限公司 A kind of baby's lock
CN112498543A (en) * 2020-12-07 2021-03-16 苏州市职业大学 Baby carrier slope anti-overturning device
CN112874616A (en) * 2021-02-25 2021-06-01 杭州帕型贸易有限公司 Self-braking baby carriage capable of switching cradles
WO2022084515A1 (en) * 2020-10-22 2022-04-28 Wonderland Switzerland Ag Wheel set brake mechanism and baby transport
WO2023067178A1 (en) * 2021-10-21 2023-04-27 Wonderland Switzerland Ag Brake mechanism and wheeled carrying apparatus

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110406584A (en) * 2019-04-26 2019-11-05 天津益智汽车用品有限公司 A kind of baby's lock
WO2022084515A1 (en) * 2020-10-22 2022-04-28 Wonderland Switzerland Ag Wheel set brake mechanism and baby transport
TWI793822B (en) * 2020-10-22 2023-02-21 瑞士商明門瑞士股份有限公司 Wheel set brake mechanism and baby transport
AU2021366326B2 (en) * 2020-10-22 2024-08-22 Wonderland Switzerland Ag Wheel set brake mechanism and baby transport
JP7553711B2 (en) 2020-10-22 2024-09-18 ワンダーランド スイツァーランド アーゲー Wheel set brake mechanism and baby carrier
TWI866779B (en) * 2020-10-22 2024-12-11 瑞士商明門瑞士股份有限公司 Baby transport
CN112498543A (en) * 2020-12-07 2021-03-16 苏州市职业大学 Baby carrier slope anti-overturning device
CN112498543B (en) * 2020-12-07 2022-02-22 苏州市职业大学 Baby carrier slope anti-overturning device
CN112874616A (en) * 2021-02-25 2021-06-01 杭州帕型贸易有限公司 Self-braking baby carriage capable of switching cradles
CN112874616B (en) * 2021-02-25 2022-05-06 苏州凯迪卡夫婴童用品有限公司 A stroller with self-braking and switching cradle
WO2023067178A1 (en) * 2021-10-21 2023-04-27 Wonderland Switzerland Ag Brake mechanism and wheeled carrying apparatus

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Application publication date: 20190315