CN107416007B - Locking device for baby carriage wheels - Google Patents
Locking device for baby carriage wheels Download PDFInfo
- Publication number
- CN107416007B CN107416007B CN201710680600.0A CN201710680600A CN107416007B CN 107416007 B CN107416007 B CN 107416007B CN 201710680600 A CN201710680600 A CN 201710680600A CN 107416007 B CN107416007 B CN 107416007B
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- Prior art keywords
- locking
- ratchet
- wheel
- stroller
- engaging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/08—Braking mechanisms; Locking devices against movement
- B62B9/082—Braking mechanisms; Locking devices against movement foot operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- 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
Abstract
The invention discloses a wheel locking device of a baby carriage, wherein a linkage mechanism is arranged between a driving locking mechanism and a driven locking mechanism in a spanning mode, a pedal drives a rotary cover of the driving locking mechanism to rotate, a reset component and the linkage mechanism drive the driven locking mechanism to operate, the rotary cover can move reversely under the action of the elastic force of the reset component to reset, and a pushing convex part is matched with a locking component with a clutch function and arranged eccentrically by utilizing an inclined surface of the pushing convex part, so that the rotary cover can really drive the locking component to generate locking and unlocking switching and resetting in each rotation angle by utilizing a single pushing convex part.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to a wheel locking device for a stroller, and more particularly, to a wheel locking device for a stroller capable of locking and unlocking the wheels of the stroller.
[ background of the invention ]
In order to improve the safety of the stroller, the rear wheels of the current strollers are provided with wheel locking devices, so that parents can lock the wheels by operating the wheel locking devices, and the stroller will not slide when parked.
The stroller brake mechanism as recited in chinese patent No. 200820005428.5 comprises a driving wheel seat, a driven wheel seat, and a linkage member connecting the driving wheel seat and the driven wheel seat, wherein the driving wheel seat comprises a first shell, a pedal, a ratchet wheel, a first locking member and a linkage member, the pedal is pivotally disposed on the first shell, the ratchet wheel is pivotally disposed on the first shell and connected to the pedal, and the ratchet wheel is controlled by the pedal, and a plurality of annularly arranged one-way ratchet teeth are formed on the ratchet wheel, the first locking member and the linkage member are disposed on the first shell and respectively abut against the one-way ratchet teeth of the ratchet wheel, the first locking member can selectively extend out of the first shell, the driven locking mechanism comprises a second shell and a second locking member disposed on the second shell, the second locking member can selectively extend out of the second wheel seat, and two ends of the linkage member are respectively connected to the linkage member of the driving locking mechanism and the second locking member of the driven locking mechanism.
The outside of the active locking mechanism and the driven locking mechanisms are respectively pivoted with a wheel, the two wheels respectively form a plurality of locking grooves on the inner side of the wheel rim, the wheel locking device of the baby carriage drives the ratchet wheel through the pedal, the first locking component and the linkage component are simultaneously driven by the ratchet wheel, and the linkage component drives the second locking component to actuate, so that the first locking component and the second locking component can extend into or withdraw from the corresponding locking grooves of the wheels, and the effect of locking or unlocking the wheels is achieved, wherein when the wheel locking device of the baby carriage is arranged in the state of locking the wheels, the linkage component can keep the state of pulling the second locking component.
However, the ratchet wheel of the stroller wheel locking device must push the first locking element and the linkage element at the same time, and in addition to making the first locking element extend into or withdraw from the locking groove of the corresponding wheel, the linkage element must also drive the second locking element to perform the same operation as the first locking element through the linkage cable; when the size deviation of the one-way ratchet of the ratchet wheel is occurred, the problem of inconsistent action of the first locking component and the second locking component is caused, therefore, the requirement of the processing precision of the ratchet wheel of the wheel locking device of the baby carriage is higher, and the processing cost is higher.
The invention is researched and proposed aiming at the defects of the prior art.
[ summary of the invention ]
The present invention provides a stroller wheel locking device to improve the problem of high machining precision required for the inner components of the current stroller wheel locking device, so as to reduce the manufacturing cost.
To solve the above technical problems, the present invention provides a stroller wheel locking device, which is disposed on a frame of a stroller and between two wheels of the stroller, the stroller wheel locking device comprising:
the locking mechanism comprises a wheel seat for wheel shaft connection, a rotary cover, a reset component and a locking component, wherein the wheel seat is provided with an assembly groove, a plurality of axial guide rails are formed on the inner wall surface of the assembly groove in a protruding mode at intervals in an annular mode along the circumferential direction, the rotary cover is pivoted on one side of the wheel seat, the rotary cover protrudes towards one side surface of the wheel seat to form a pushing and abutting convex part with an inclined surface, the reset component comprises a reset piece and a reset spring, the reset piece is pivoted on the wheel seat and is buckled with the rotary cover, the reset spring abuts between the reset piece and the wheel seat respectively, the locking component is arranged on the wheel seat and comprises a ratchet type push rod, a ratchet type abutting rod and a pushing and abutting spring, the ratchet type push rod is arranged in the assembly groove of the wheel seat and can axially move along the axial guide rails, one end of the ratchet type push rod abuts against the pushing and abutting convex part of the rotary cover, the ratchet type abutting rod can be axially moved and rotatably arranged in the assembly groove, the ratchet type push rod and the ratchet type guide rails can be axially protruded relative to the ratchet type locking mechanism and the clutch mechanism and the driven locking component.
And the linkage mechanism comprises a guide pipe and a linkage cable, two ends of the guide pipe are respectively connected to the wheel seats of the two locking mechanisms, the linkage cable is arranged in the guide pipe, and two ends of the linkage cable are respectively connected with the resetting pieces of the two locking mechanisms.
And the pedal is fixedly arranged on the rotary cover of the active locking mechanism and used for driving the rotary cover to be linked with the active locking mechanism to actuate.
The end of the ratchet type push rod of the two locking mechanisms is provided with a plurality of guide ratchet parts, each guide ratchet part is positioned between two adjacent axial guide rails, the ratchet type abutting rod of the two locking mechanisms is provided with a plurality of one-way ratchet parts, a guide groove is formed between the two one-way ratchet parts, and the one-way ratchet parts of the ratchet type abutting rod can selectively abut against the guide ratchet parts and the axial guide rails of the ratchet type push rod.
Each guide ratchet part is provided with two parallel guide inclined planes, each one-way ratchet part is provided with two abutting inclined planes and an axial limiting plane, the two abutting inclined planes are all parallel to the guide inclined planes of the guide ratchet part, and the limiting plane is positioned between the two abutting inclined planes.
The wheel seat of the active locking mechanism is provided with a detection window, the active locking mechanism comprises a marking assembly, the marking assembly is arranged on the wheel seat and comprises a marking unit and a compression spring, the marking unit is pivoted on the wheel seat, one end of the marking unit is abutted against a ratchet type push rod of the locking assembly, the other end of the marking unit is provided with two marking parts with different marking areas, the two marking areas can be selectively displayed in the detection window respectively, and two ends of the compression spring are abutted between the marking parts and the wheel seat respectively.
The ratchet type abutting rod comprises a rod body, a locking piece, a bolt and a buffer spring, a buffer space and two limiting channels communicated with the buffer space are formed in the rod body, the locking piece is axially movably arranged in the buffer space of the rod body, the bolt penetrates through the locking piece, two ends of the bolt respectively extend into the two limiting channels, the buffer spring is arranged in the buffer space of the rod body, and two ends of the buffer spring are respectively abutted between the rod body and the locking piece.
The rotary cover of the two locking mechanisms is provided with a group of connecting convex parts, the corresponding reset piece is provided with a group connecting groove matched with the group connecting convex parts, and the group connecting convex parts extend into the group connecting groove.
The invention discloses a baby carriage wheel locking device which is applied to a baby carriage and used for locking or unlocking the state of wheels, wherein a linkage mechanism is arranged between a driving locking mechanism and a driven locking mechanism in a spanning mode, a pedal acts on the driving locking mechanism to change the state, and simultaneously, the driving locking mechanism acts on the linkage mechanism to link the driven locking mechanism to correspondingly change the state, namely, the pedal drives a screw cap of the driving locking mechanism to rotate, so that a resetting component and the linkage mechanism drive the driven locking mechanism to act; the reset component and the pushing convex part with the inclined surface on the rotary cover are utilized, the rotary cover rotates for each angle, the rotary cover can move reversely to reset under the action of the elastic force of the reset component, and the pushing convex part is matched with the locking component with the clutch function which is eccentrically arranged by utilizing the inclined surface of the pushing convex part, so that the rotary cover can really drive the locking component to generate the switching and resetting of locking and unlocking in each rotation angle by utilizing the single pushing convex part. Therefore, compared with the mechanism which replaces switching by a plurality of one-way ratchets in the prior art, the invention has the characteristics of scientific and reasonable design and small volume, and effectively overcomes the defects that the adoption of a plurality of one-way ratchets in the prior art easily causes errors due to insufficient dimensional precision, so that the switching function of locking and unlocking is influenced, and the problems of unsmooth and inconsistent action and the like are solved.
[ description of the drawings ]
Embodiments of the invention will be described in further detail below with reference to the accompanying drawings, in which:
FIG. 1: the present invention is a schematic view of a wheel locking device for a stroller installed on a wheel.
FIG. 2: is a schematic three-dimensional structure diagram of the wheel locking device of the baby carriage.
FIG. 3: is a three-dimensional exploded view of the cover, wheel seat and pedal of the active locking mechanism of the stroller wheel locking device of the present invention.
FIG. 4: is a three-dimensional exploded view of the active locking mechanism in the stroller wheel locking apparatus of the present invention.
FIG. 5: is a schematic perspective exploded view of another angle in fig. 4.
FIG. 6: is a three-dimensional exploded view of the cap and the wheel seat of the driven locking mechanism in the stroller wheel locking device according to the present invention.
FIG. 7: a side view of the positive locking mechanism in the stroller wheel locking apparatus of the present invention. FIG. 8: isbase:Sub>A partial cross-sectional view alongbase:Sub>A-base:Sub>A of fig. 7.
FIG. 9: a partial enlarged view of fig. 8.
FIG. 10: is a partial cross-sectional schematic view of the wheel locking device of the baby carriage in a locked state.
FIG. 11: a partial enlarged view of fig. 10.
FIG. 12: a schematic diagram of the linkage of the active locking mechanism in the stroller wheel locking apparatus of the present invention.
FIG. 13: a schematic view of the driven locking mechanism of the stroller wheel locking apparatus of the present invention being interlocked.
[ detailed description ] embodiments
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 and 2, a stroller wheel locking device according to a preferred embodiment of the present invention is provided on a frame (not shown) of a stroller and located between two wheels 40 of the stroller, and comprises two locking mechanisms 10, a linkage mechanism 20 and a pedal 30 respectively provided on the frame.
As shown in fig. 3 to 6, each locking mechanism 10 includes a wheel seat 11 for connecting with a wheel axle, a spiral cover 12, a reset component 13 and a locking component 14, the wheel seat 11 has an assembly groove 110, the inner wall surface of the assembly groove 110 is protruded and formed with a plurality of axial guide rails 111 along the circumferential direction and in an annular interval, the spiral cover 12 is pivoted on one side of the wheel seat 11, the spiral cover 12 is protruded and formed with a pushing convex part 120 with an inclined surface toward one side surface of the wheel seat 11, the reset component 13 includes a reset piece 130 and a reset spring 131, the reset piece 130 is pivoted on the wheel seat 11 and is buckled with the spiral cover 12, two ends of the reset spring 131 are respectively abutted between the reset piece 130 and the wheel seat 11, and the locking component 14 is disposed on the wheel seat 11; the locking assembly 14 includes a ratchet-type push rod 15, a ratchet-type prop rod 16 and a prop spring 17, the ratchet-type push rod 15 is disposed in the assembly groove 110 of the wheel seat 11 and can move axially along the axial guide rail 111, one end of the ratchet-type push rod 15 abuts against the prop protrusion 120 of the cap 12, the ratchet-type prop rod 16 can move axially and can be rotatably disposed in the assembly groove 110, and the ratchet-type prop rod 16 can be clutched with respect to the ratchet-type push rod 15 and the axial guide rail 111 and can selectively protrude out of the wheel seat 11. As shown in fig. 2, one of the two locking mechanisms 10 is a driving locking mechanism 10a, and the other is a driven locking mechanism 10b.
As shown in fig. 2, 3 and 6, the linkage mechanism 20 includes a guide tube 21 and a linkage cable 22, two ends of the guide tube 21 are respectively connected to the wheel seats 11 of the two locking mechanisms 10, the linkage cable 22 is disposed in the guide tube 21, and two ends of the linkage cable 22 are respectively connected to the restoring members 130 of the two locking mechanisms 10.
As shown in fig. 2, the pedal 30 is fixed on the rotary cover 12 and is used for driving the rotary cover 12 to rotate relative to the wheel seat 11, so as to link the corresponding actions of the active locking mechanism 10 a.
As shown in fig. 7 to 9, the ratchet-type push rod 15 of the two locking mechanisms 10 has a plurality of guide ratchet portions 150 arranged at intervals in a ring shape, each guide ratchet portion 150 is located between two adjacent axial guide rails 111, the ratchet-type push rod 16 of the two locking mechanisms 10 has a plurality of one-way ratchet portions 160 arranged in a ring shape, a guide slot 161 is formed between the two one-way ratchet portions 160, and the one-way ratchet portions 160 can selectively abut against the guide ratchet portions 150 and the axial guide rails 111 of the ratchet-type push rod 15. In addition, each guiding ratchet part 150 has two parallel guiding inclined planes 151, and each one-way ratchet part 160 has two abutting inclined planes 162 and an axial limiting plane 163, the two abutting inclined planes 162 are all parallel to the guiding inclined planes 151 of the guiding ratchet part 150, and each limiting plane 163 is located between the two abutting inclined planes 162.
As shown in fig. 4, in the preferred embodiment of the wheel locking device for baby carriage of the present invention, the wheel seat 11 of the active locking mechanism 10a may further form a viewing window 112, and the active locking mechanism 10a includes an indicating component 18, the indicating component 18 is disposed on the wheel seat 11, the indicating component 18 includes an indicating unit 180 and a compression spring 181, the indicating unit 180 is pivotally disposed on the wheel seat 11, one end of the indicating unit 180 abuts against the ratchet-type push rod 15 of the locking component 14, the other end of the indicating unit 180 forms an indicating portion 183 having two different indicating areas, the two indicating areas are selectively displayed in the viewing window 112, the two indicating areas are respectively set as a locking indicating area 182a and an unlocking indicating area 182b, and two ends of the compression spring 181 abut against between the indicating portion 183 and the wheel seat 11.
In addition, as shown in fig. 8 to 11, the ratchet-type abutting lever 16 includes a lever body 164, a locking member 165, a bolt 166 and a buffer spring 167, a buffer space 168 and two limit slots 169 communicating with the buffer space 168 are formed in the lever body 164, the locking member 165 is axially movably disposed in the buffer space 168 of the lever body 164, the bolt 166 is disposed on the locking member 165 in a penetrating manner, two ends of the bolt 166 respectively extend into the two limit slots 169, the buffer spring 167 is disposed in the buffer space 168 of the lever body 164, two ends of the buffer spring 167 respectively abut against between the lever body 164 and the locking member 165, two assembling convex portions 121 are formed on the rotary cover 12 of the locking mechanism 10, and a assembling groove 132 is formed on the corresponding reset member 130, the assembling convex portions 121 extend into the assembling groove 132, so that the reset member 130 and the rotary cover 12 move together.
As shown in fig. 12 and 13, the wheel locking device for a stroller of the present invention is used to lock or unlock the wheels 40 of the stroller. When a user wants to lock the wheels 40 of the stroller, the user can step on the pedal 30 installed on the active locking mechanism 10a, the pedal 30 will drive the cap 12 of the active locking mechanism 10a to rotate, so that the cap 12 rotates and simultaneously drives the reset member 130 to rotate, the reset spring 131 is elastically compressed, the reset member 130 correspondingly pulls one end of the link cable 22 of the link mechanism 20, and the other end of the link cable 22 acts on the reset member 130 of the passive locking mechanism 10b and the cap 12 to rotate synchronously. As shown in fig. 3 and fig. 6, during the rotation of the screw caps 12 of the two locking mechanisms 10, the inclined surfaces of the pushing protrusions 120 on the screw caps 12 push against the corresponding locking elements 14 respectively; as shown in fig. 10, the ratchet-type resisting rod 16 of the locking assembly 14 extends out of the wheel seat 11 and into the locking groove 41 of the wheel 40, so as to lock the wheel 40; at this time, the user can release the pedal 30, so that the return springs 131 in the two locking mechanisms 10 drive the return members 130 to return, and the screw cap 12 and the pedal 30 move in opposite directions to return, and at the same time, the linkage cable 22 is released.
As shown in fig. 8 and 9, before the user steps on the pedal 30 to lock the wheel 40 of the stroller, the axial guide rail 111 of each wheel seat 11 extends into the guide slot 161 of the corresponding ratchet-type prop 16; when a user steps on the pedal 30 to push the pushing protrusion 120 of the cap 12 against the locking assembly 14, the ratchet-type push rod 15 will push the ratchet-type abutting rod 16 to move along the axial direction thereof, so that the plurality of axial guide rails 111 exit from the guide slots 161 of the ratchet-type abutting rod 16, and the ratchet-type abutting rod 16 protrudes out of the wheel seat 11, at this time, the ratchet-type abutting rod 16 will make the abutting inclined planes 162 on the unidirectional ratchet portion 160 abut against the guide inclined planes 151 on the guide ratchet portion 150 respectively due to the elastic force of the pushing spring 17, so that the ratchet-type abutting rod 16 rotates, as shown in fig. 10 and 11, when the user releases the pedal 30, the pushing spring 17 will elastically push the ratchet-type abutting rod 16, so that the pushing inclined planes on the unidirectional ratchet portions 160 abut against the axial guide rails 111 respectively, and the protruding ratchet-type abutting rod 16 rotates, and the plurality of axial guide rails 111 will abut against the limiting planes 163 of the unidirectional ratchet portions 160 and the adjacent inclined planes 162 respectively, so that the ratchet-type abutting rod 16 keeps out of the wheel seat 11, and the wheel 40 is in a locked state.
As shown in fig. 12 and 13, when the user wants to unlock the wheel 40 of the stroller, the user can step on the pedal 30 again, so that the pedal 30 drives the cap 12 and the reset member 130 of the active locking mechanism 10a and the cap 12 and the reset member 130 of the passive locking mechanism 10b to rotate synchronously, as shown in fig. 3 and 6, the pushing protrusions 120 on the caps 12 of the two locking mechanisms 10 will push against the corresponding locking components 14 respectively, as shown in fig. 8, the ratchet-type push rod 16 of the locking component 14 will be withdrawn from the locking groove 41 of the wheel 40, so that the wheel 40 is in the unlocked state, and at this time, the user can release the pedal 30, so that the reset springs 131 in the two locking mechanisms 10 drive the reset member 130 respectively, so that the cap 12, the pedal 30 and the interlocking cable 22 are reset.
As shown in fig. 10 and 11, before the user steps on the pedal 30 to unlock the stroller wheels 40, the axial guide rail 111 of each wheel seat 11 abuts against the stop surface 163 of the one-way ratchet portion 160 and the adjacent abutment inclined surface 162, when the user steps on the pedal 30 to push the abutment protrusion 120 of the rotary cap 12 against the locking assembly 14, the ratchet-type push rod 15 pushes the ratchet-type abutment rod 16 to disengage the one-way ratchet portion 160 of the ratchet-type abutment rod 16 from the axial guide rail 111, at this time, the ratchet-type abutment rod 16 pushes the abutment inclined surface 162 of the one-way ratchet portion 160 against the guide inclined surface 151 of the guide ratchet portion 150 due to the abutment of the abutment spring 17, so that the ratchet-type abutment rod 16 rotates, as shown in fig. 8 and 9, when the user releases the pedal 30, the abutment spring 17 pushes the ratchet-type abutment rod 16 to abut against the respective axial guide rails 111 of the plurality of one-way ratchet portions 160, and simultaneously rotates the ratchet-type abutment rod 16, and the plurality of axial guide rails 111 extends into the ratchet-type guide grooves 161 to abut against the ratchet-type wheel guide grooves 40, so that the wheel 40 is in the unlocking state, and the ratchet-release pawl 16 is released from the ratchet-type guide groove 40.
As shown in fig. 9 and 11, when a user performs a locking action of the wheel 40 under the condition that the locking groove 41 of the wheel 40 is not aligned with the ratchet-type abutting rod 16, the locking member 165 of the ratchet-type abutting rod 16 abuts against the wheel 40 and retracts into the buffer space 168, and simultaneously compresses the buffer spring 167, and when the wheel 40 rotates to align the locking groove 41 with the ratchet-type abutting rod 16, the locking member 165 is pushed by the buffer spring 167 to extend into the locking groove 41 and lock the wheel 40.
In addition, as shown in fig. 8 and 10, when the stroller wheel locking device is in a state of locking the stroller wheel 40, the indicating unit 180 is pushed by the compression spring 181 to rotate, so that the locking indicating area 182a is displayed in the viewing window 112 on the wheel base 11; when the stroller wheel locking device is in the unlocked state of the wheel 40, the indicating unit 180 is pushed by the ratchet-type push rod 15 to display the unlocking indicating area 182b in the inspection window 112 of the wheel base 11, so that the user can confirm the state of the wheel 40 by inspecting the type of the indicating area displayed in the inspection window 112.
In summary, the pushing protrusion 120 in the rotary cap 12 of the two locking mechanisms can be combined with the eccentrically disposed locking component 14 with a clutch function by the inclined surface thereof, and can reliably drive the locking component 14 to generate the switching and resetting of locking and unlocking, so that the structure of the locking component 14 can be reduced in size, and compared with the prior art that uses a plurality of one-way ratchets to switch alternately, the stroller wheel locking device of the present invention has a lower processing precision requirement, and can effectively overcome the problems that the locking and unlocking switching functions are easily affected by the error caused by the insufficient dimensional precision of the plurality of one-way ratchets in the prior art, and the actions are not smooth and consistent.
Claims (10)
1. A stroller wheel locking apparatus disposed on a frame of a stroller and between two wheels of the stroller, the stroller wheel locking apparatus comprising:
two locking mechanisms (10), two locking mechanisms (10) are all arranged on the frame of the baby carriage, each locking mechanism (10) comprises a wheel seat (11) for wheel axle connection, a rotary cover (12), a reset component (13) and a locking component (14), the wheel seat (11) is provided with an assembly groove (110), the inner wall surface of the assembly groove (110) is formed with a plurality of axial guide rails (111) in a protruding mode at annular intervals along the circumferential direction, the rotary cover (12) is pivoted on one side of the wheel seat (11), the rotary cover (12) protrudes towards one side surface of the wheel seat (11) to form a pushing and abutting convex part (120) with an inclined surface, the reset component (13) comprises a reset piece (130) and a reset spring (131), the reset piece (130) is pivoted on the wheel seat (11) and is buckled with the rotary cover (12), the reset spring (131) abuts between the reset piece (130) and the wheel seat (11), the locking component (14) is arranged on the wheel seat (11), the locking component (14) comprises a ratchet type assembly rod (15) and a ratchet type push rod (17) capable of moving along the axial push rod (11) and the ratchet type assembly groove (17), one end of the ratchet type push rod (15) is abutted against an abutting convex part (120) of the rotary cover (12), the ratchet type abutting rod (16) can axially move and can be rotatably arranged in the assembling groove (110), the ratchet type abutting rod (16) can be relatively clutched with the ratchet type push rod (15) and the axial guide rail (111) and can selectively protrude out of the wheel seat (11), and the two locking mechanisms (10) are respectively set as a driving locking mechanism (10 a) and a driven locking mechanism (10 b);
the linkage mechanism (20) comprises a guide pipe (21) and a linkage cable (22), two ends of the guide pipe (21) are respectively connected to the wheel seats (11) of the two locking mechanisms (10), the linkage cable (22) is arranged in the guide pipe (21), and two ends of the linkage cable (22) are respectively connected with the resetting pieces (130) of the two locking mechanisms (10); and
a pedal (30), wherein the pedal (30) is fixedly arranged on the screw cap (12) of the active locking mechanism (10 a) and is used for driving the screw cap (12) to link the active locking mechanism (10 a) for action.
2. The stroller wheel locking apparatus according to claim 1, wherein the end of the ratchet-type push rod (15) of the two locking mechanisms (10) is provided with a plurality of guiding ratchet portions (150), each guiding ratchet portion (150) is located between two adjacent axial guide rails (111), the ratchet-type lever (16) of the two locking mechanisms (10) is provided with a plurality of one-way ratchet portions (160), a guide slot (161) is formed between the two one-way ratchet portions (160), and the one-way ratchet portion (160) of the ratchet-type lever (16) can selectively abut against the guiding ratchet portion (150) of the ratchet-type push rod (15) and the axial guide rails (111).
3. The stroller wheel locking apparatus according to claim 2, wherein each of the guiding ratchet parts (150) has two parallel guiding inclined surfaces (151), and each of the one-way ratchet parts (160) has two abutting inclined surfaces (162) and an axial limiting surface (163), the two abutting inclined surfaces (162) are parallel to the guiding inclined surfaces (151) of the guiding ratchet parts (150), and the limiting surface (163) is located between the two abutting inclined surfaces (162).
4. The stroller wheel locking apparatus according to claim 1, 2 or 3, wherein the wheel seat (11) of the active locking mechanism (10 a) is provided with a viewing window (112), and the active locking mechanism (10 a) comprises a marking member (18), the marking member (18) is disposed on the wheel seat (11), the marking member (18) comprises a marking unit (180) and a compression spring (181), the marking unit (180) is pivotally disposed on the wheel seat (11), one end of the marking unit (180) abuts against the ratchet-type push rod (15) of the locking member (14), the other end of the marking unit (180) is provided with two marking portions (183) having different marking areas, the two marking areas are selectively displayed in the viewing window (112), and the two ends of the compression spring (181) abut against the positions between the marking portions (183) and the wheel seat (11).
5. The stroller wheel locking apparatus according to claim 1, 2 or 3, wherein the ratchet-type abutting rod (16) comprises a rod body (164), a locking member (165), a bolt (166) and a buffer spring (167), a buffer space (168) and two limit slots (169) communicating with the buffer space (168) are formed in the rod body (164), the locking member (165) is axially movably disposed in the buffer space (168) of the rod body (164), the bolt (166) is disposed through the locking member (165), two ends of the bolt (166) respectively extend into the two limit slots (169), the buffer spring (167) is disposed in the buffer space (168) of the rod body (164), and two ends of the buffer spring (167) respectively abut between the rod body (164) and the locking member (165).
6. The stroller wheel locking apparatus according to claim 4, wherein the ratchet-type abutting rod (16) comprises a rod body (164), a locking member (165), a pin (166), and a buffer spring (167), a buffer space (168) and two limit slots (169) communicating with the buffer space (168) are formed in the rod body (164), the locking member (165) is axially movably disposed in the buffer space (168) of the rod body (164), the pin (166) is disposed on the locking member (165) in a penetrating manner, two ends of the pin (166) respectively extend into the two limit slots (169), the buffer spring (167) is disposed in the buffer space (168) of the rod body (164), and two ends of the buffer spring (167) respectively abut against between the rod body (164) and the locking member (165).
7. The stroller wheel locking apparatus according to claim 1, 2 or 3, wherein a set of engaging protrusions (121) are disposed on the caps (12) of the two locking mechanisms (10), and an engaging groove (132) for engaging with the set of engaging protrusions (121) is disposed on the corresponding reset member (130), the set of engaging protrusions (121) extending into the engaging groove (132).
8. The stroller wheel locking apparatus according to claim 4, wherein a set of engaging protrusions (121) are provided on the caps (12) of the two locking mechanisms (10), and an engaging groove (132) for engaging with the set of engaging protrusions (121) is provided on the corresponding reset member (130), the set of engaging protrusions (121) extend into the engaging groove (132).
9. The stroller wheel locking apparatus according to claim 5, wherein a set of engaging protrusions (121) are provided on the cap (12) of the two locking mechanisms (10), and an engaging groove (132) for engaging with the set of engaging protrusions (121) is provided on the corresponding reset member (130), the set of engaging protrusions (121) extend into the engaging groove (132).
10. The stroller wheel locking apparatus according to claim 6, wherein a set of engaging protrusions (121) are provided on the caps (12) of the two locking mechanisms (10), and an engaging groove (132) for engaging with the set of engaging protrusions (121) is provided on the corresponding reset member (130), the set of engaging protrusions (121) extend into the engaging groove (132).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710680600.0A CN107416007B (en) | 2017-08-10 | 2017-08-10 | Locking device for baby carriage wheels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710680600.0A CN107416007B (en) | 2017-08-10 | 2017-08-10 | Locking device for baby carriage wheels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107416007A CN107416007A (en) | 2017-12-01 |
| CN107416007B true CN107416007B (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710680600.0A Active CN107416007B (en) | 2017-08-10 | 2017-08-10 | Locking device for baby carriage wheels |
Country Status (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108163038B (en) * | 2017-12-15 | 2020-11-27 | 安徽喜洋洋儿童用品有限公司 | Baby carriage with automatic shaking bed and using method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0064368A3 (en) * | 1981-04-27 | 1983-12-21 | Kirk-Dyson Designs Limited | Folding pushchair and brake |
| CN2774884Y (en) * | 2005-02-07 | 2006-04-26 | 勋立儿童用品(深圳)有限公司 | Child cart brake interlink mechanism |
| CN2929322Y (en) * | 2006-06-28 | 2007-08-01 | 明门实业股份有限公司 | Brake mechanism |
| CN200942797Y (en) * | 2006-08-15 | 2007-09-05 | 明门实业股份有限公司 | Vehicle wheel quick-dismantling device and baby carriage with the same |
| TWM325259U (en) * | 2007-01-29 | 2008-01-11 | Link Treasure Ltd | Brake mechanism for a baby stroller |
| CN201189883Y (en) * | 2008-02-26 | 2009-02-04 | 中山市隆成日用制品有限公司 | Brake mechanism for baby's carriage |
| CN207141160U (en) * | 2017-08-10 | 2018-03-27 | 中山市西区青原贸易代理服务部 | A kind of stroller wheel locking device |
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