CN107972724B - brake switching structure and frame - Google Patents

brake switching structure and frame Download PDF

Info

Publication number
CN107972724B
CN107972724B CN201610940710.1A CN201610940710A CN107972724B CN 107972724 B CN107972724 B CN 107972724B CN 201610940710 A CN201610940710 A CN 201610940710A CN 107972724 B CN107972724 B CN 107972724B
Authority
CN
China
Prior art keywords
brake
steel wire
clamping
piece
frame
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.)
Active
Application number
CN201610940710.1A
Other languages
Chinese (zh)
Other versions
CN107972724A (en
Inventor
郑雷雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wonderland Nurserygoods Co Ltd Hong Kong
Original Assignee
Wonderland Nurserygoods Co Ltd Hong Kong
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 Wonderland Nurserygoods Co Ltd Hong Kong filed Critical Wonderland Nurserygoods Co Ltd Hong Kong
Priority to CN201610940710.1A priority Critical patent/CN107972724B/en
Publication of CN107972724A publication Critical patent/CN107972724A/en
Application granted granted Critical
Publication of CN107972724B publication Critical patent/CN107972724B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/08Braking mechanisms; Locking devices against movement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable

Landscapes

  • 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 invention discloses a brake switching structure which is arranged on a frame and comprises a hand brake operating part, a brake locking part, a clamping assembly, a first steel wire and a second steel wire, wherein the brake locking part is arranged on a rear wheel of the frame; the clamping component comprises a first clamping piece and a second clamping piece which are movably arranged on the frame respectively; two parts of the first steel wire are respectively connected with the hand brake operating part and the first clamping piece; two ends of the second steel wire are respectively connected with the second clamping piece and the brake locking part; the hand brake operating part is operated to brake, the hand brake operating part drives the first clamping piece to move through the first steel wire, the first clamping piece moves to be clamped with the second clamping piece and drives the second clamping piece to move, and the second clamping piece drives the brake locking part to brake through the second steel wire. The brake steel wire is divided into the first steel wire and the second steel wire, and the steel wire is switched through the clamping assembly, so that the assembly of the steel wire in the hand brake is facilitated. In another aspect, the hand brake can be used for a foldable frame. The invention also discloses a frame.

Description

Brake switching structure and frame
Technical Field
The invention relates to a hand brake structure, in particular to a hand brake structure convenient to assemble.
Background
The hand brake is the auxiliary brake of vehicle, is used for preventing the vehicle out of control when stopping, and driven hand brake generally includes the operating parts of installing in driver department and installs the brake spare on the rear wheel, and operating parts and brake spare link together through a steel wire, during the brake, the brake operating parts, the operating parts pulling steel wire is in order to drive the action of brake spare, however because often have many subassemblies between driver and the rear wheel, and the steel wire is longer from the brake operating parts of locomotive to the brake spare route of rear wheel, the steel wire of hand brake must pass many pivot subassemblies and can reach the rear wheel department, and the equipment is inconvenient.
Furthermore, because the existing hand brake is connected with the operating part and the brake part through a steel wire, the hand brake can only be used on a common frame, can not be used when the length of the steel wire is limited in a foldable frame, and has low applicability.
Therefore, a hand brake for solving the above problems is urgently needed.
Disclosure of Invention
The invention aims to provide a brake switching structure, which can divide a steel wire of a hand brake into two sections through the switching structure, greatly facilitates the assembly of the steel wire, and can be provided with a pivoting part capable of folding a frame, so that the brake switching structure can be used for folding the frame and has wide applicability.
another objective of the present invention is to provide a frame with a brake transferring structure that is easy to assemble.
In order to achieve the aim, the invention discloses a brake switching structure which is arranged on a frame and comprises a hand brake operating part, a brake locking part, a clamping assembly, a first steel wire and a second steel wire, wherein the hand brake operating part is arranged on a hand of the frame; the brake locking part is arranged on a rear wheel of the frame and used for locking the rear wheel to brake; the clamping assembly comprises a first clamping piece and a second clamping piece which are movably arranged on the frame respectively, and the first clamping piece can be clamped and connected with the second clamping piece; one end of the first steel wire is arranged on the hand brake operating part, and the other end of the first steel wire is arranged on the first clamping piece; one end of the second steel wire is arranged on the second clamping piece, and the other end of the second steel wire is arranged on the brake locking part; the manual brake operating part is operated to brake, the manual brake operating part drives the first clamping piece to act through the first steel wire, the first clamping piece moves to be connected with the second clamping piece in a clamping mode and drives the second clamping piece to act, and the second clamping piece drives the brake locking part to brake through the second steel wire.
Compared with the prior art, the brake switching structure divides the brake steel wire into the first steel wire and the second steel wire, and meanwhile, the clamping assembly is arranged on the frame to switch the steel wires, so that the assembly of the steel wires in the hand brake is greatly facilitated. On the other hand, the steel wire can be switched in the clamping component, so that when the frame is a foldable frame, the clamping component can be arranged at the pivoting position of the frame, and the frame can not be limited by the length of the steel wire and can not be folded when being folded.
Preferably, the frame includes an installation portion, one side of the first engaging member is rotatably connected to the installation portion, the other opposite side of the first engaging member is rotatably connected to the second engaging member, the installation portion and the first engaging member are respectively provided with a concave-convex matched driving groove and a driving protrusion, the driving groove and the driving protrusion are respectively formed with corresponding driving slopes, the hand brake operation portion drives the first engaging member to move through the first steel wire in a braking state, and the first engaging member rotates and enables the first engaging member to be away from the installation portion and close to the second engaging member through the corresponding driving slopes on the driving groove and the driving protrusion, so that the first engaging member is engaged with the second engaging member.
Preferably, the first engaging member is a first rotating wheel rotatably mounted on the frame and capable of sliding along the rotation axis, the second engaging member is a second rotating wheel rotatably mounted on the frame, the first rotating wheel and the second rotating wheel are oppositely disposed and coaxially rotate, the opposite surfaces of the first rotating wheel and the second rotating wheel are respectively provided with a engaging projection and an engaging groove which are mutually matched, and the first rotating wheel rotates and enables the engaging projection to be engaged with the engaging groove in a braking state. The clamping assembly is small and simple in structure, the first clamping piece and the second clamping piece coaxially rotate, and the first clamping piece and the second clamping piece can be prevented from being dislocated when moving.
Preferably, the brake adapting structure further includes an elastic element installed between the first engaging member and the second engaging member, and the elastic element provides a reset elastic force to the first engaging member, so that the first engaging member and the second engaging member are maintained in a non-engaging state in a non-braking state.
Preferably, the brake locking part includes an active brake part, the active brake part includes a first brake piece movably mounted on the rear wheel and a first driving piece connected to the first brake piece, the second steel wire is connected to the first driving piece and can drive the first driving piece to move, and the first driving piece drives the first brake piece to move so as to lock or release the rear wheel. Of course, the second wire can also be directly connected with the first brake member to actuate the first brake member.
Specifically, the first brake member comprises a fixed member slidably mounted on the rear wheel and a brake pin mounted on the fixed member, wherein the brake pin is movable with the fixed member to lock the rear wheel.
preferably, the fixed part is provided with a sliding shaft, the first driving part is provided with an inclined sliding groove for the sliding shaft to slide, the rear wheel is provided with a guide groove for guiding the first driving part, the second steel wire drives the first driving part to move along the guide groove so as to enable the sliding shaft to move along the sliding groove, and the fixed part slides under the matching of the sliding shaft and the inclined sliding groove so as to lock or release the rear wheel.
The brake locking part comprises a driving brake part arranged on a first rear wheel, a driven brake part arranged on a second rear wheel and a third steel wire, and the driven brake part comprises a second brake piece movably arranged on the second rear wheel; one end of the third steel wire is connected to the first brake piece, and the other end of the third steel wire is connected to the second brake piece so as to control the driving brake part and the driven brake part to be linked and locked or release the first rear wheel and the second rear wheel.
Specifically, the second brake member is rotatably mounted on the second rear wheel and is provided with a brake lever that locks the second rear wheel.
The invention also discloses a frame, which comprises a frame body and a hand brake switching structure arranged on the frame body, wherein the frame body comprises a hand, a front foot, a rear foot and a rear wheel arranged on the rear foot, and the hand brake switching structure is as shown above. Compared with the prior art, the brake switching structure divides the brake steel wire into the first steel wire and the second steel wire, and meanwhile, the clamping assembly is arranged on the frame to switch the steel wires, so that the assembly of the steel wires in the hand brake is greatly facilitated.
Preferably, the frame is a foldable frame, the rider can rotate relative to the rear leg to fold, and the clamping component is mounted at a pivot position between the rider and the rear leg. Because the steel wire can be switched in the clamping component, when the frame is a foldable frame, the clamping component can be arranged at the pivoting position of the frame, so that the frame can not be limited by the length of the steel wire and cannot be folded when being folded.
Specifically, the frame still includes the closing member, closing member one end with the handlebar hand rotates to be connected, the other end with the back foot rotates to be connected, the block subassembly install in the handlebar hand with the pivot department of closing member, just first block spare movable mounting in on the handlebar hand, second block spare movable mounting in on the closing member.
Drawings
Figure 1 is a perspective view of the vehicle frame of the present invention.
Figure 2 is a perspective view of another angle of the vehicle frame of the present invention.
Fig. 3a is an exploded view of a snap-fit assembly in the hand brake adapter structure according to the present invention.
Fig. 3b is a schematic view of the structure of the mounting portion of fig. 3 a.
FIG. 3c is a schematic view of a first side of the first engaging member shown in FIG. 3 a.
FIG. 3d is a schematic view of the second side of the first engaging member shown in FIG. 3 a.
FIG. 3e is a schematic structural view of the second engaging member shown in FIG. 3 a.
Fig. 4 is a schematic structural view of the rear wheel of the present invention in a released state.
Fig. 5 is a cross-sectional view of fig. 4.
Fig. 6 is a schematic structural view of the rear wheel of the present invention in a locked state.
Fig. 7 is a cross-sectional view of fig. 6.
Fig. 8 is a schematic view of the second rear wheel of the present invention.
Fig. 9 is a cross-sectional view of fig. 8.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 and 2, the invention discloses a vehicle frame 100, the vehicle frame 100 includes a frame body 10 and a hand brake adapter structure mounted on the frame body 10, the frame body 10 includes a rider 11, a front leg 14, a rear leg 12, and a rear wheel 13 mounted on the rear leg 12. Wherein a front wheel 15 is also mounted on the front foot 14.
With continued reference to fig. 1 to 3a, the brake adapting structure includes a brake operating part 21, a brake locking part 22, a clamping component 23, a first wire 24 and a second wire 25, the brake operating part 22 is mounted on the brake handle 11; the brake locking part 22 is mounted on the rear wheel 13 and is used for locking the rear wheel 13 to brake; the engaging assembly 23 includes a first engaging member 231 and a second engaging member 232 movably mounted on the frame body 10, respectively, and the first engaging member 231 can be engaged with the second engaging member 232; one end of the first wire 24 is mounted on the hand brake operating part 21, and the other end is mounted on the first engaging member 231; one end of the second steel wire 25 is mounted on the second engaging member 232, and the other end is mounted on the brake locking portion 22; the hand brake operation portion 21 is operated to brake, the hand brake operation portion 21 drives the first engaging member 231 to move through the first steel wire 24, the first engaging member 231 moves towards the second engaging member 232 to be connected with the second engaging member 232 in an engaging manner and drive the second engaging member 232 to move, and the second engaging member 232 drives the brake locking portion 22 to brake through the second steel wire 25.
Referring to fig. 3a to 3c, in the present embodiment, the engaging component 23 is rotatably mounted on the rider 11. Specifically, the handle 11 is provided with an installation portion 111, a first side surface of the first engaging member 231 is rotatably connected to the installation portion 111, a second side surface of the first engaging member 231 is rotatably connected to the second engaging member 232, the first side surface is opposite to the second side surface, the installation portion 111 and the first engaging member 231 are respectively provided with a driving groove 41 and a driving protrusion 42 in concave-convex fit, the driving groove 41 and the driving protrusion 42 are respectively formed with driving inclined surfaces 411 and 421 corresponding to each other, the hand brake operation portion 21 drives the first engaging member 231 to move through the first steel wire 24 in a braking state, the first engaging member 231 rotates and is enabled to be away from the installation portion 111 and approach the second engaging member 232 through the cooperation of the driving inclined surface 411 of the driving groove 41 and the driving inclined surface 421 of the driving protrusion 42, the first engaging member 231 is engaged with the second engaging member 232. In this embodiment, the driving recess 41 is disposed on the first engaging member 231, and the driving protrusion 42 is disposed on the mounting portion 111.
Referring to fig. 3a, 3d and 3e, the first engaging member 231 is a first rotating wheel 231 rotatably mounted on the frame body 10 and capable of sliding along a rotation axis, the second engaging member 232 is a second rotating wheel 232 rotatably mounted on the frame body 10, the first rotating wheel 231 and the second rotating wheel 232 are oppositely disposed and coaxially rotate, the opposite surfaces of the first rotating wheel 231 and the second rotating wheel 232 are respectively provided with a mutually matched engaging protrusion 234 and an engaging groove 235, in this embodiment, the engaging protrusion 234 is located on the first rotating wheel 231, the engaging groove 235 is located on the second rotating wheel 232, when the hand brake operating portion 21 performs a braking operation to pull the first steel wire 24, the first steel wire 24 pulls the first rotating wheel 231 to rotate, the first rotating wheel 231 moves to gradually move the engaging protrusion 234 toward the engaging groove 235 and extend into the engaging groove 235, at this time, the first rotating wheel 231 is engaged with the second rotating wheel 232, so that the second rotating wheel 232 rotates along with the rotation of the first rotating wheel 231, the second rotating wheel 232 pulls the second wire 25 to perform a braking operation, and the second wire 25 drives the brake locking portion 22 to perform a braking operation. Of course, the specific structure and connection manner of the first engaging member 231 and the second engaging member 232 are not limited to the above-mentioned configuration, but the first engaging member 231 and the second engaging member 232 may be non-coaxially mounted, the first engaging member 231 and the second engaging member 232 may be slidably mounted on the frame body 10, or one of the first engaging member 231 and the second engaging member 232 may be slidably mounted on the frame body 10 and the other may be rotatably mounted on the frame body 10.
Referring to fig. 3a and 3c, in the present embodiment, the mounting portion 111 is a first outer plug, and the first rotating wheel 231 is rotatably mounted in the first outer plug.
Specifically, referring to fig. 3a, the first rotating wheel 231 has a circumferential edge formed with a wire slot 2311 for the first wire 24 to wind around, and the second rotating wheel 232 has a circumferential edge formed with a wire slot 2321 for the second wire 25 to wind around.
specifically, the engaging grooves 235 and the engaging protrusions 234 are respectively formed with driving slopes corresponding to each other, and the first rotating wheel 231 and the second rotating wheel 232 engage the engaging protrusions 234 with the engaging grooves 235 through interaction of the driving slopes, so that the first engaging wheel 231 rotates and engages and contacts with the second engaging wheel 232.
With reference to fig. 3a, the brake adapting structure further includes an elastic element 233 installed between the first engaging member 231 and the second engaging member 232, wherein the elastic element 233 provides a restoring elastic force to the first engaging member 231, so that the first engaging member 231 and the second engaging member 232 maintain an unengaged state in a non-braking state. After the brake operating portion 21 is released, the first engaging member 231 is driven by the elastic element 233 to move to disengage from the second engaging member 232, so as to release the engagement between the first engaging member 231 and the second engaging member 232.
Preferably, referring to fig. 4 to 7, the brake locking part 22 includes an active brake part 221, the active brake part 221 includes a first brake member 31 movably mounted on the rear wheel 13 and a first driving member 32 connected to the first brake member 31, the second wire 25 is connected to the first driving member 32 and drives the first driving member 32 to move, and the first driving member 32 drives the first brake member 31 to move so as to lock or release the rear wheel 13. Of course, the second wire 25 can also be directly connected to the first braking member 31 to drive the first braking member 31 to move. With continued reference to fig. 5, the first brake member 31 includes a fixing member 311 slidably mounted on the rear wheel 13 and a brake pin 312 mounted on the fixing member 311, wherein the brake pin 312 is movable with the fixing member 311 to lock the rear wheel 13.
preferably, the fixed part 311 is provided with a sliding shaft 313, the first driving part 32 is provided with an inclined sliding groove 321 for the sliding shaft 313 to slide, the rear wheel 13 is provided with a guide groove 131 for guiding the first driving part 32, the second steel wire 25 drives the first driving part 32 to move along the guide groove 131 so as to enable the sliding shaft 313 to slide along the sliding groove 321, and the fixed part 311 slides under the matching of the sliding shaft 313 and the inclined sliding groove 321 to lock or release the rear wheel.
Referring to fig. 4 and 5, the brake locking portion 22 is shown in a released state of the brake operating portion 21. Referring to fig. 6 to 7, when the brake operating portion 21 performs a braking operation, the brake operating portion 21 pulls the first driving member 32 to move leftward through the first steel wire 24, the first engaging member 231, and the second steel wire 25, the first driving member 32 pulls the fixing member 311 downward under the cooperation of the sliding shaft 313 and the inclined sliding groove 321, the fixing member 311 drives the brake pin 312 to move to lock the rear wheel 13, and the active braking portion 221 is in a locked state.
Referring to fig. 1, there are two rear wheels 13, the active brake part 221 is mounted on one rear wheel 13, the brake locking part 22 further includes a driven brake part 222 and a third wire 223 mounted on the other rear wheel 13, and referring to fig. 8 and 9, the driven brake part 222 includes a second brake piece 2221 movably mounted on the rear wheel 13; referring to fig. 7 and 9, one end of the third wire 223 is connected to the first brake 31, and the other end is connected to the second brake 2221, so as to control the driving brake part 221 and the driven brake part 222 to interlock and lock or release the two rear wheels 13. With reference to fig. 8, said second brake member 32 is rotatably mounted on the rear wheel 13 and is provided with a brake lever 321 locking the rear wheel 13.
Preferably, referring to fig. 1 and 2, the frame 100 is a foldable frame, the rider 11 can be folded with respect to the rear leg 12, and the engaging component 23 is mounted at a pivot between the rider 11 and the rear leg 12.
Specifically, referring to fig. 1 to 3a, the frame body 10 further includes a folding member 16, one end of the folding member 16 is rotatably connected to the rider 11, the other end of the folding member is rotatably connected to the rear leg 12, the engaging component 23 is mounted at a pivot of the rider 11 and the folding member 16, the first engaging member 231 is movably mounted on the rider 11, and the second engaging member 232 is movably mounted on the folding member 16. The accommodating member 15 is provided with a second outer plug 161, and the second rotating wheel 232 is rotatably mounted in the second outer plug 161.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.

Claims (12)

1. The utility model provides a brake switching structure installs on a frame, its characterized in that, brake switching structure includes:
A hand brake operating part which is arranged on a driver of the frame;
The brake locking part is arranged on the rear wheel of the frame and is used for locking the rear wheel to brake;
The clamping assembly comprises a first clamping piece and a second clamping piece which are movably arranged on the frame respectively, and the first clamping piece can be clamped and connected with the second clamping piece;
One end of the first steel wire is arranged on the hand brake operating part, and the other end of the first steel wire is arranged on the first clamping piece;
One end of the second steel wire is arranged on the second clamping piece, and the other end of the second steel wire is arranged on the brake locking part;
When the hand brake operation part is operated to brake, the hand brake operation part drives the first clamping piece to move through the first steel wire, the first clamping piece moves to be connected with the second clamping piece in a clamping mode and drives the second clamping piece to move, and the second clamping piece drives the brake locking part to brake through the second steel wire.
2. The brake transfer structure of claim 1, wherein: the frame includes the installation department, one side of first fastener with the installation department rotates to be connected, another opposite side of first fastener with the second fastener rotates to be connected, just the installation department with be equipped with unsmooth complex drive recess and drive lug on the first fastener respectively, the drive recess with be formed with the drive inclined plane that corresponds each other on the drive lug respectively, under the brake state, manual brake operating portion passes through first steel wire drives first fastener moves, first fastener rotates and passes through drive recess with the drive inclined plane that corresponds each other on the drive lug makes first fastener is kept away from the installation department is close the second fastener, so that first fastener with second fastener block is connected.
3. The brake transfer structure of claim 1, wherein: the first clamping piece is rotatably installed on the frame and can slide along a rotating axis, the second clamping piece is rotatably installed on the second rotating wheel on the frame, the first rotating wheel and the second rotating wheel are oppositely arranged and coaxially rotate, mutually matched clamping convex blocks and clamping grooves are respectively arranged on opposite surfaces of the first rotating wheel and the second rotating wheel, and the first rotating wheel rotates to enable the clamping convex blocks to be clamped with the clamping grooves in a braking state.
4. the brake transfer structure of claim 1, wherein: the brake device further comprises an elastic element arranged between the first clamping piece and the second clamping piece, wherein the elastic element provides reset elastic force for the first clamping piece, so that the first clamping piece and the second clamping piece are kept in a non-clamping state in a non-braking state.
5. The brake transfer structure of claim 1, wherein: the brake locking part comprises an active brake part, the active brake part comprises a first brake piece movably mounted on the rear wheel and a first driving piece connected with the first brake piece, the second steel wire is connected with the first driving piece and can drive the first driving piece to act, and the first driving piece drives the first brake piece to move so as to lock or release the rear wheel.
6. The brake transfer structure of claim 5, wherein: the first brake member includes a fixed member slidably mounted on the rear wheel and a brake pin mounted on the fixed member, the brake pin being movable with the fixed member to lock the rear wheel.
7. The brake transfer structure of claim 6, wherein: the rear wheel is provided with a guide groove for guiding the first driving piece, the second steel wire drives the first driving piece to move along the guide groove so that the sliding shaft moves along the sliding groove, and the fixing piece slides under the matching of the sliding shaft and the inclined sliding groove to lock or release the rear wheel.
8. The brake transfer structure of claim 6, wherein: the brake locking part comprises a driving brake part arranged on a first rear wheel, a driven brake part arranged on a second rear wheel and a third steel wire, and the driven brake part comprises a second brake piece movably arranged on the second rear wheel; one end of the third steel wire is connected to the first brake piece, and the other end of the third steel wire is connected to the second brake piece so as to control the driving brake part and the driven brake part to be linked and locked or release the first rear wheel and the second rear wheel.
9. The brake transfer structure of claim 8, wherein: the second brake piece is rotatably mounted on the second rear wheel and is provided with a brake lever for locking the second rear wheel.
10. A frame, its characterized in that: the hand brake comprises a frame body and a hand brake adapter structure arranged on the frame body, wherein the frame body comprises a hand, a front foot, a rear foot and a rear wheel arranged on the rear foot, and the hand brake adapter structure is as shown in any one of claims 1 to 9.
11. The frame of claim 10, wherein: the frame is a foldable frame, the driver can rotate relative to the rear foot to fold, and the clamping component is arranged at the pivoting position between the driver and the rear foot.
12. The frame of claim 11, wherein: the folding device is characterized by further comprising a folding part, one end of the folding part is rotatably connected with the rider, the other end of the folding part is rotatably connected with the rear foot, the clamping component is installed at the pivoting position of the rider and the folding part, the first clamping part is movably installed on the rider, and the second clamping part is movably installed on the folding part.
CN201610940710.1A 2016-10-25 2016-10-25 brake switching structure and frame Active CN107972724B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610940710.1A CN107972724B (en) 2016-10-25 2016-10-25 brake switching structure and frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610940710.1A CN107972724B (en) 2016-10-25 2016-10-25 brake switching structure and frame

Publications (2)

Publication Number Publication Date
CN107972724A CN107972724A (en) 2018-05-01
CN107972724B true CN107972724B (en) 2019-12-17

Family

ID=62005044

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610940710.1A Active CN107972724B (en) 2016-10-25 2016-10-25 brake switching structure and frame

Country Status (1)

Country Link
CN (1) CN107972724B (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201082716Y (en) * 2007-07-05 2008-07-09 罗革 Folding baby handcart
US7401803B1 (en) * 2007-08-28 2008-07-22 Chin-I Lai Stroller
CN202186420U (en) * 2011-07-13 2012-04-11 安徽省舒城三乐童车有限责任公司 Automatic brake device for baby stroller
US20140196991A1 (en) * 2013-01-11 2014-07-17 Gregory Fite Brake Device for Infant Stroller
US8985616B1 (en) * 2014-06-24 2015-03-24 Yong Xiang Chen Baby stroller capable of being folded with one hand
CN104192194B (en) * 2014-09-16 2016-08-31 张星亮 A kind of commutation folding baby carrier
CN205022660U (en) * 2015-08-26 2016-02-10 明门(中国)幼童用品有限公司 Shallow and brake mechanism thereof
CN205469232U (en) * 2015-12-10 2016-08-17 明门香港股份有限公司 Brake mechanism and children's shallow

Also Published As

Publication number Publication date
CN107972724A (en) 2018-05-01

Similar Documents

Publication Publication Date Title
KR101536159B1 (en) Locking mechanism and housing of vehicle
US8201667B2 (en) Braking system with single actuation for a stroller
US9109688B2 (en) Device for controlling a gearbox and a parking brake of a motor vehicle, using a common operating lever
CN110741129A (en) handle device for motor vehicle
CN107972724B (en) brake switching structure and frame
CN113839360B (en) Locking mechanism and bus duct jack box comprising same
CN107837150B (en) in-wheel motor driving state adjusting device
CN107763070B (en) Sliding rail assembly
JP6765112B2 (en) Foot-operated parking brake device
US11135701B2 (en) Hook tensioner
US3051015A (en) Mechanism control
JP5701667B2 (en) Linking operation mechanism
JP2008525247A (en) Vehicle parking brake
CN106184163A (en) One automatically controls parking braking system and automobile
CN107521544B (en) Wheel locking mechanism
CN220113167U (en) Flange butt joint tightening device
CN209817665U (en) Lock handle, lockpin subassembly, lock and vehicle
CN209739263U (en) Roller brake, braking system and vehicle
CN214189397U (en) Coupling mechanism, child safety seat and car
CN110857081B (en) Parking braking pull handle assembly, auxiliary brake and vehicle
JP3212620U (en) Continuously variable automatic transmission for electric vehicles
KR20090012532A (en) Assembly for wiper blade for cleaning windows of motor vehicles
KR100239632B1 (en) A parking brake
CN201095322Y (en) Automobile chute locking device
GB2583339A (en) Releasable connector and coupling assembly

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant