CN110171460B - Brake device of children's barrow and children's barrow - Google Patents
Brake device of children's barrow and children's barrow Download PDFInfo
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- CN110171460B CN110171460B CN201910410205.XA CN201910410205A CN110171460B CN 110171460 B CN110171460 B CN 110171460B CN 201910410205 A CN201910410205 A CN 201910410205A CN 110171460 B CN110171460 B CN 110171460B
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- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 230000009471 action Effects 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Classifications
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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
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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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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a brake device of a child stroller and the child stroller, which comprise a brake mechanism and a driving mechanism. The driving mechanism comprises a brake operating piece, a first connecting piece and a second connecting piece which are rotatably arranged, and a driven piece which is slidably arranged, and the driven piece is connected with the brake mechanism. One of the first connecting piece and the second connecting piece is provided with a plurality of first matching parts, the other one of the first connecting piece and the second connecting piece is provided with a second matching part, and the driven part is arranged on the driven piece; when the braking mechanism is in a braking state, one second matching part is meshed with one first matching part, the driven part is connected with the first positioning part, and the driven part is in a braking position; when the braking mechanism is in a brake release state, one second matching part is meshed with the other second matching part, the driven part is connected with the second positioning part, and the driven part is in a brake release position. The invention realizes that the operation actions of braking and braking are the same, namely, the braking is realized when the brake operation piece is pressed down, and the braking is realized when the brake operation piece is pressed down again.
Description
Technical Field
The invention relates to a brake device of a child stroller and the child stroller.
Background
In order to increase safety during use, the stroller is usually provided with a brake device, and wheels are braked when the stroller is in an open state and not pushed, so that the stroller is prevented from moving by itself due to a slope or a collision error. In the prior art, the specific transmission mechanism is various, but the brake operating member for directly operating the brake operating member is usually a pedal arranged at the lower part of the child stroller, when the pedal is stepped on, the transmission mechanism acts, the brake device brakes, and when the pedal is lifted, the transmission mechanism acts again, and the brake device releases the brake. While, from an ergonomic point of view, it is relatively easy for the user to pedal down, it is relatively difficult to pedal up.
Disclosure of Invention
In order to solve the above problems, the present invention aims to provide a brake device of a stroller and a stroller.
In order to achieve the above purpose, the invention adopts the following technical scheme: a brake device of a children cart comprises a brake mechanism with a brake state and a driving mechanism for driving the brake mechanism to switch between the brake state and the brake state. The driving mechanism comprises a brake operating member rotatably arranged, a first connecting member capable of rotating together with the brake operating member and being connected with the brake operating member in a mutually sliding way, a second connecting member rotatably arranged and driven by the first connecting member to rotate in a unidirectional way, a driven member slidably arranged and driven by the second connecting member to slide, the driven member is connected with the brake mechanism,
One of the first connecting piece and the second connecting piece is provided with a plurality of first matching parts arranged along the circumferential direction of the first connecting piece and the second connecting piece, the other is provided with at least one second matching part, one of the first matching part and the second matching part is a ratchet slot, the other is a ratchet meshed with the ratchet slot,
The second connecting piece is also provided with a first positioning part and a second positioning part which are arranged along the circumferential direction of the second connecting piece and are different in size and are arranged at intervals in the axial direction, the driven piece is provided with a driven part which is respectively and detachably connected with the first positioning part and the second positioning part, the first positioning part and the second positioning part are grooves and the driven part are teeth, or the first positioning part and the second positioning part are teeth and the driven part are grooves, the driven piece has a braking position and a braking position,
When the braking mechanism is in a braking state, one second matching part is meshed with one of the first matching parts, the driven part is connected with the first positioning part, and the driven part is in a braking position; when the braking mechanism is in a brake release state, one second matching part is meshed with the other one of the first matching parts, the driven part is connected with the second positioning part, and the driven part is in a brake release position.
Further, the first matching part is a ratchet groove and is arranged on the second connecting piece, the second matching part is a ratchet meshed with the ratchet groove and is arranged on the first connecting piece, the first positioning part and the second positioning part are a first positioning groove and a second positioning groove respectively, and the driven part is a driven tooth.
Further, the number of the ratchet grooves is the same as the sum of the number of the first positioning grooves and the number of the second positioning grooves, and the position of each ratchet groove corresponds to one of the first positioning grooves or the second positioning grooves.
Further, the driven tooth is a unidirectional tooth, the first positioning groove is provided with a first groove wall capable of being in sliding contact with the tooth back of the unidirectional tooth, and the second positioning groove is provided with a second groove wall capable of being in sliding contact with the tooth back of the unidirectional tooth.
Furthermore, the ratchet groove is provided with a third groove wall which can be in sliding contact with the back of the ratchet, and the inclination directions of the first groove wall, the second groove wall and the third groove wall are the same and are respectively positioned on the same side of the first positioning groove, the second positioning groove and the ratchet groove.
Further, the opening directions of the first positioning groove and the second positioning groove are the same as the opening direction of the ratchet groove.
Still further, the first connecting member and the second connecting member are coaxially disposed in sequence, and the ratchet is disposed at one end of the first connecting member facing the second connecting member, and the ratchet groove is disposed at one end of the second connecting member facing the first connecting member.
Still further, the driving mechanism further includes a first elastic member applying a force to the brake operating member, a second elastic member applying a force to the first link member so as to slide toward the second link member, and a third elastic member applying a force to the driven member so as to enable the driven tooth to be inserted into the first positioning groove or the second positioning groove.
Further, the first connecting piece is provided with a guide chute axially arranged along the first connecting piece, and the brake operating piece is provided with a convex edge which is in sliding connection with the guide chute.
Further, the braking mechanism comprises a brake disc fixedly connected with the wheels and a braking piece detachably connected with the brake disc, the braking piece is connected with the driven piece through a traction piece and driven by the driven piece to move, when the braking mechanism is in a braking state, the braking piece is connected with the brake disc, and when the braking mechanism is in a brake releasing state, the braking piece is separated from the brake disc.
The invention also provides another technical scheme: a children's cart comprises a frame, wheels arranged at the bottom of the frame, and the brake device for braking the wheels.
By adopting the technical scheme, the brake device of the child stroller and the child stroller realize the same operation actions of braking and unbraking, namely, the brake is applied when the brake operating piece is applied, and the brake is released when the brake operating piece is applied again, so that the brake device can be switched between a braking state and an unbraking state only by the same action.
Drawings
FIG. 1 is a schematic structural view of a brake device of a stroller according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the brake apparatus according to the embodiment shown in FIG. 1;
FIG. 3 is a schematic view of a disassembled structure of the brake device shown in FIG. 2;
FIG. 4 is a schematic side elevational view of the brake device illustrated in FIG. 2;
FIG. 5 is a schematic view of a cross-sectional A-A configuration of the brake assembly shown in FIG. 4;
FIG. 6 is a schematic top view of the brake assembly of FIG. 2;
FIG. 7 is a schematic view of a B-B cross-sectional structure of the brake apparatus shown in FIG. 6;
FIG. 8 is a schematic view of a portion of the components of the drive mechanism of the brake apparatus of FIG. 2;
FIG. 9 is a schematic diagram of a disassembled structure of the driving mechanism shown in FIG. 8;
FIG. 10 is a schematic view of the drive mechanism of the brake apparatus illustrated in FIG. 2 when the brake operating member is depressed;
FIG. 11 is a schematic view of the actuator mechanism of the brake apparatus of FIG. 10 in a state in which the brake operating member is retracted and the driven tooth of the driven member is inserted into the next positioning slot (either the first positioning slot or the second positioning slot);
FIG. 12 is a schematic view of the brake device of FIG. 11 showing the structure of the drive mechanism after the brake operating member is reset, wherein the ratchet teeth are engaged with the next ratchet teeth slots;
FIG. 13 is a schematic view of a portion of the brake apparatus shown in FIG. 2;
FIG. 14 is a schematic view of a C-C cross-sectional structure of the brake apparatus shown in FIG. 13;
FIG. 15 is a schematic view illustrating a structure in which a brake operating member is depressed in the brake apparatus illustrated in FIG. 14;
FIG. 16 is a schematic view of a disassembled structure of the brake assembly of FIG. 13.
The reference numerals in the figures are:
100. a driving mechanism; 110. a brake operating member; 111. protruding ridges; 112. a round tube; 120. a first connector; 121. a ratchet; 1211. a back of the ratchet teeth; 122. a guide chute; 130. a second connector; 131. a first positioning groove; 1311. a first groove wall; 132. a second positioning groove; 1321. a second groove wall; 133. ratchet tooth slot; 1331. a third groove wall; 140. a follower; 141. driven teeth; 1411. the back of the driven teeth; 150. a traction member; 160. a central shaft; 170. a second elastic member; 180. a first elastic member; 190. a third elastic member; 101. a gland;
200. A braking mechanism;
300. And (3) a wheel.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the attached drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art.
As can be seen from the schematic structural diagrams of fig. 1 to 16, the braking device of the stroller in this embodiment is disposed between two wheels 300 located on the same side (front side or rear side) of the stroller, in this embodiment, between two rear wheels, specifically, a cross bar 401 is connected between the two wheels 300, and the braking device is disposed on the cross bar 401.
The braking device comprises a braking mechanism 200 and a driving mechanism 100, wherein the braking mechanism 200 has a braking state and a releasing state, and can brake and release the wheel 300, and the driving mechanism 100 is used for driving the braking mechanism 200 to act so as to switch between the braking state and the releasing state.
The braking mechanism 200 in this embodiment includes a brake disc (not shown in the drawings) fixedly connected to the wheel 300, and a brake member 210 detachably connected to the brake disc, wherein the brake member 210 is connected to the driving mechanism 100 through the traction member 150 and is moved by the driving mechanism 100, the brake member 210 is connected to the brake disc when the braking mechanism 200 is in a braking state, and the brake member 210 is separated from the brake disc when the braking mechanism 200 is in a brake releasing state.
The drive mechanism 100 includes a rotatably disposed brake operating member 110, a first link 120 rotatable with the brake operating member 110, preferably synchronously rotatable, and slidably coupled to the brake operating member 110, a second link 130 rotatably disposed and driven by the first link 120 for intermittent unidirectional rotation, and a follower 140 slidably disposed and driven by the second link 130 for sliding movement. The follower 140 is connected to the brake mechanism 200, specifically, one end of the traction member 150 is connected to the follower 140.
The first connecting member 120 is provided with a guide chute 122 disposed along an axial direction thereof, and the brake operating member 110 is provided with a protruding rib 111 slidably connected to the guide chute 122. The cooperation of the guide chute 122 and the protruding rib 111 serves to guide the relative sliding between the first connecting element 120 and the brake operating member 110, and to enable the brake operating member 110 to rotate together with the first connecting element 120 when rotating. There are two guide grooves 122 symmetrically disposed about the rotational axis of the first connecting member 120, and correspondingly there are two ribs 111. In this embodiment, the body of the first connecting member 120 is cylindrical, the brake operating member 110 is a pedal, one end of the brake operating member has a circular tube 112 sleeved outside the first connecting member 120, and the protruding ridge 111 is disposed inside the circular tube 112.
One of the first connecting piece and the second connecting piece is provided with a plurality of first matching parts arranged along the circumference direction of the first connecting piece and the second connecting piece, the other one of the first matching parts and the second matching parts is provided with at least one second matching part, one of the first matching parts and the second matching parts is a ratchet tooth groove, and the other one of the first matching parts and the second matching parts is a ratchet tooth meshed with the ratchet tooth groove. In the present embodiment, the structure is described taking the case that the second coupling member 130 has the plurality of ratchet grooves 133 disposed and uniformly distributed along the circumferential direction thereof, the first coupling member 120 has the at least one ratchet 121 "as an example, and in practical applications, several alternative structures such as the case that the second coupling member 130 has the plurality of ratchet grooves disposed and uniformly distributed along the circumferential direction thereof, the first coupling member 120 has the at least one ratchet groove" or the case that the first coupling member 120 has the plurality of ratchet grooves disposed and uniformly distributed along the circumferential direction thereof, the case that the second coupling member 130 has the at least one ratchet groove "or the case that the first coupling member 120 has the plurality of ratchet grooves disposed and uniformly distributed along the circumferential direction thereof, and the like, will not be described in detail when describing the example structure in detail and principle. In this embodiment, the first connecting member 120 and the second connecting member 130 are coaxially disposed in sequence, specifically, the driving mechanism further includes a central shaft 160, the first connecting member 120 and the second connecting member 130 are both rotatably connected to the central shaft 160, and the first connecting member 120 is movable along the central shaft 160, the ratchet groove 133 is disposed on an end face of the second connecting member 130 facing one end of the first connecting member 120, the ratchet teeth 121 are disposed on an end face of the first connecting member 120 facing one end of the second connecting member 130, and the ratchet teeth 121 are two and symmetrically disposed around the rotation axis of the first connecting member 120.
The second coupling member 130 further has a first positioning portion and a second positioning portion disposed along a circumferential direction thereof and spaced apart from each other, and the follower 140 is provided with a follower portion detachably coupled to the first positioning portion and the second positioning portion. The first positioning portion and the second positioning portion in this embodiment are the first positioning groove 131 and the second positioning groove 132, respectively, and the driven portion is the driven tooth 141, and in practical application, the first positioning portion and the second positioning portion may be the first tooth and the second tooth, respectively, and the driven portion is the groove. The depths of the first positioning groove 131 and the second positioning groove 132 are different, and when the first positioning portion and the second positioning portion are teeth, the tooth heights of the first positioning portion and the second positioning portion are different, and the depth direction and the tooth height direction are along the axial direction of the second connecting member 130, and the axial direction refers to the rotation axis direction of the second connecting member 130. The depth of the first positioning groove 131 is deeper than the second positioning groove 132 in the present embodiment. The first positioning groove 131 and the second positioning groove 132 are disposed on the circumferential surface of the second connecting member 130, and in a more preferred embodiment, the sum of the numbers of the first positioning groove 131 and the second positioning groove 132 is the same as the number of the ratchet grooves 133, and the position of each ratchet groove 133 corresponds to one first positioning groove 131 or one second positioning groove 132, so that when the first connecting member 120 drives the second connecting member 130 to rotate, the ratchet 121 is switched to one adjacent ratchet groove 133, the driven tooth 141 on the driven member 140 is switched to one adjacent positioning groove (switched from the first positioning groove 131 to the adjacent second positioning groove 132, or switched from the second positioning groove 132 to the adjacent first positioning groove 131), and when the driven tooth 141 is connected with the different positioning groove in a matching manner, the driven member 141 is driven to slide by switching the positioning groove connected with the driven tooth 141 in a matching manner.
In a more preferred embodiment, the driven tooth 141 is a one-way tooth like the ratchet 121, thereby ensuring that the driven tooth 141 is retained in the first detent 131 or the second detent 132 without the driven tooth 141 being coupled to the first detent 131 or the second detent 132 and without the second link 130 exerting a force on the driven member 140, the driven tooth 141 is not affected by a reset element (described in greater detail below). The first positioning groove 131 has a first groove wall 1311 capable of sliding contact with the back 1411 of the driven tooth 141, the second positioning groove 132 has a second groove wall 1321 capable of sliding contact with the back 1411 of the driven tooth 141, and the driven member 140 is moved by sliding contact between the first groove wall 1311 or the second groove wall 1321 and the back 1411 of the driven tooth 141 during rotation of the second connecting member 130, and the driven tooth 141 is withdrawn from the positioning groove (the first positioning groove 131 or the second positioning groove 132) which is currently cooperatively connected with the driven tooth 140 during movement of the driven member 140. The ratchet slot 133 has a third slot wall 1331 capable of sliding contact with the back 1211 of the ratchet 121, and in a more specific embodiment, the opening directions of the first and second positioning slots 131 and 132 are the same as the opening directions of the ratchet slot 133, and the first slot wall 1311, the second slot wall 1321, and the third slot wall 1331 are inclined in the same direction and are positioned on the same side of the first, second, and ratchet slots 131, 132, 133, respectively.
The follower 140 has a braking position and a releasing position on its sliding track. When the braking mechanism is in a braking state, one ratchet 121 is engaged with one of the plurality of ratchet grooves 133, the driven tooth 141 is inserted into the first positioning groove 131, and the driven member 140 is in a braking position; when the brake mechanism is in the brake release state, one ratchet 121 is engaged with another one of the plurality of ratchet grooves 133, and the driven tooth 141 is inserted into the second positioning groove 132, and the driven member 140 is in the brake release position.
The driving mechanism further comprises a plurality of reset elements, wherein: the first elastic member 180 for applying force to the brake operating member 110 to rotate upward, the second elastic member 170 for applying force to the first connecting member 120 to slide toward the second connecting member 130, and the third elastic member 190 for applying force to the driven member 140 to enable the driven tooth 141 to be inserted into the first positioning groove 131 or the second positioning groove 132, the second elastic member 170 and the third elastic member 190 in this embodiment are both compression springs, the pressing cover 101 is disposed on the cross bar 401, and the third elastic member 190 is disposed between the pressing cover 101 and the driven member 140.
The brake device in this embodiment brakes and unbrakes two wheels 300 on the left and right sides simultaneously by one brake operating member 110, so that the first connecting member 120, the second connecting member 140, the driven member 140, the third elastic member 190, the traction member 150 and the brake mechanism 200 are all two and symmetrically arranged, the brake operating member 110 and the first elastic member 180 are arranged in the middle of the cross bar 401, and the second elastic member 170 is arranged between the two first connecting members 120. The tread portion of the brake operating member 110 is located outside of the cross bar 401 and the remaining components of the drive mechanism 100 are disposed inside of the cross bar 401.
The present embodiment also provides a stroller, including a frame 400, wheels 300 mounted at the bottom of the frame 400, and the stroller further includes the braking device for braking the wheels 300. The frame 400 is not an inventive point of the present application, and thus, the specific structure thereof is not limited, and an example is given in fig. 1.
The specific working principle is as follows:
Assuming a current braking state, when the brake is to be released, the brake operating member 110 is stepped down to rotate downward against the force of the first elastic member 180, the brake operating member 110 drives the first connecting member 120 to rotate synchronously, the first connecting member 120 drives the second connecting member 130 to rotate through the engagement of the ratchet teeth 121 and the ratchet grooves 133 on the second connecting member 130, as shown in fig. 10, and in the process of rotating the second connecting member 130, the driven member 140 moves against the force of the third elastic member 190 through the sliding contact between the first groove wall 1311 of the first positioning groove 131 and the tooth back 1411 of the driven tooth 141, so that the driven tooth 141 exits the first positioning groove 131; when the second connecting member 130 rotates to a position where the second positioning groove 132 adjacent to the first positioning groove 131 corresponds to the position of the driven tooth 141, the driven member 140 slides under the action of the third elastic member 190, and the driven tooth 141 is inserted into the second positioning groove 132, so that the driven member 140 is switched from the braking position to the braking release position, and in the process of switching the position of the driven member 140, the braking member 210 is separated from the brake disc through the traction member 150, so that the braking mechanism 200 is switched to the braking release state; then, the brake operating member 110 is released, the first elastic member 180 enables the brake operating member 110 to rotate upwards for resetting, as shown in fig. 11, the brake operating member 110 drives the first connecting member 120 to rotate synchronously, and during the rotation of the first connecting member 120, the first connecting member 120 slides axially against the force of the second elastic member 170 by sliding contact between the tooth back 1211 of the ratchet 121 and the third groove wall 1331 of the ratchet groove 133 engaged with the ratchet 121 on the second connecting member 130, so that the ratchet 121 withdraws from the ratchet groove 133 engaged with the ratchet 121 currently; when the first link 120 is rotated to a position where the ratchet teeth 121 correspond to the positions of the adjacent next ratchet teeth grooves 133, the first link 120 slides toward the second link 130 by the second elastic member 170, and the ratchet teeth 121 are inserted into the next ratchet teeth grooves 133, as shown in fig. 12, so that the brake release operation is all completed.
Assuming a brake release state at present, when a brake is required, the brake operating member 110 is depressed downward in the same manner as the above-described operation principle, so that the first link 120 and the second link 130 are rotated, and the driven member 140 is moved by sliding contact between the second groove wall 1321 of the second positioning groove 132 and the back 1411 of the driven tooth 141 during rotation of the second link 130, and the driven tooth 141 is withdrawn from the second positioning groove 132; when the second connecting member 130 rotates to a position where the first positioning groove 131 adjacent to the second positioning groove 132 corresponds to the position of the driven tooth 141, the driven tooth 141 is inserted into the first positioning groove 131, the driven member 140 is switched from the brake release position to the brake position, and in the process of switching the position of the driven member 140, the brake member 210 is connected with the brake disc through the traction member 150, so that the brake mechanism 200 is switched to the brake state; then the brake operating member 110 is released, the brake operating member 110 and the first connecting member 120 are reset, and the ratchet 121 is inserted into the next ratchet groove 133, so that the brake operation is completed.
The brake device of the child trolley and the child trolley realize the same operation actions of braking and unbraking, namely, the brake is applied to the brake operating piece, the brake is released when the brake operating piece is applied to the brake again, and the brake device can be switched between a braking state and an unbraking state only by the same action.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (11)
1. A brake device for a child stroller, comprising a brake mechanism (200) having a braking state and a releasing state, and a drive mechanism (100) for driving the brake mechanism (200) to switch between the braking state and the releasing state, characterized in that: the driving mechanism (100) comprises a brake operating member (110) which is rotatably arranged, a first connecting member (120) which can rotate together with the brake operating member (110) and can be connected with the brake operating member (110) in a mutually sliding way, a second connecting member (130) which is rotatably arranged and is driven by the first connecting member (120) to rotate in a unidirectional way, a driven member (140) which is slidably arranged and is driven by the second connecting member (130) to slide, wherein the driven member (140) is connected with the brake mechanism,
One of the first connecting piece (120) and the second connecting piece (130) is provided with a plurality of first matching parts arranged along the circumferential direction of the first connecting piece, the other is provided with at least one second matching part, one of the first matching parts and the second matching parts is a ratchet tooth slot, the other is a ratchet tooth meshed with the ratchet tooth slot,
The second connecting piece (130) is also provided with a first positioning part and a second positioning part which are arranged along the circumferential direction of the second connecting piece and are different in size and are arranged at intervals in the axial direction, the driven piece (140) is provided with a driven part which is respectively and detachably connected with the first positioning part and the second positioning part, the first positioning part and the second positioning part are grooves and the driven part is teeth, or the first positioning part and the second positioning part are teeth and the driven part is a groove, the driven piece (140) has a braking position and a braking position,
When the braking mechanism (200) is in a braking state, a second matching part is meshed with one of the first matching parts, the driven part is connected with the first positioning part, and the driven piece (140) is in the braking position; when the brake mechanism (200) is in a brake release state, the second matching part is meshed with the other of the first matching parts, the driven part is connected with the second positioning part, and the driven part (140) is in the brake release position.
2. The brake apparatus of a stroller of claim 1, wherein: the first matching part is a ratchet groove (133) and is arranged on the second connecting piece (130), the second matching part is a ratchet (121) meshed with the ratchet groove (133) and is arranged on the first connecting piece (120), the first positioning part and the second positioning part are a first positioning groove (131) and a second positioning groove (132) respectively, and the driven part is a driven tooth (141).
3. The stroller braking device of claim 2, wherein: the number of the ratchet grooves (133) is the same as the sum of the numbers of the first positioning grooves (131) and the second positioning grooves (132), and the position of each ratchet groove (133) corresponds to one of the first positioning grooves (131) or the second positioning grooves (132).
4. The stroller braking device of claim 2, wherein: the driven teeth (141) are unidirectional teeth, the first positioning groove (131) is provided with a first groove wall (1311) which can be in sliding contact with the tooth back of the unidirectional teeth, and the second positioning groove (132) is provided with a second groove wall (1321) which can be in sliding contact with the tooth back of the unidirectional teeth.
5. The brake apparatus of a stroller of claim 4, wherein: the ratchet groove (133) is provided with a third groove wall (1331) which can be in sliding contact with the tooth back of the ratchet (121), and the inclination directions of the first groove wall (1311), the second groove wall (1321) and the third groove wall (1331) are the same and are respectively positioned on the same side of the first positioning groove (131), the second positioning groove (132) and the ratchet groove (133).
6. The stroller braking device of claim 2, wherein: the opening directions of the first positioning groove (131) and the second positioning groove (132) are the same as the opening direction of the ratchet groove (133).
7. The stroller braking device of claim 2, wherein: the first connecting piece (120) and the second connecting piece (130) are coaxially and sequentially arranged, the ratchet (121) is arranged at one end of the first connecting piece (120) facing the second connecting piece (130), and the ratchet groove (133) is arranged at one end of the second connecting piece (130) facing the first connecting piece (120).
8. The stroller braking device of claim 2, wherein: the driving mechanism further includes a first elastic member (180) applying a force to the brake operating member (110), a second elastic member (170) applying a force to the first connecting member (120) so as to slide toward the second connecting member (130), and a third elastic member (190) applying a force to the driven member (140) so as to enable the driven tooth (141) to be inserted into the first positioning groove (131) or the second positioning groove (132).
9. The stroller braking device of claim 2, wherein: the first connecting piece (120) is provided with a guide chute (122) axially arranged along the first connecting piece, and the brake operating piece (110) is provided with a convex edge (111) which is in sliding connection with the guide chute (122).
10. The brake apparatus of a stroller of claim 1, wherein: the brake mechanism (200) comprises a brake disc fixedly connected with a wheel (300) and a brake piece (210) detachably connected with the brake disc, wherein the brake piece (210) is connected with the driven piece (140) through a traction piece (150) and is driven to move by the driven piece (140), when the brake mechanism (200) is in a braking state, the brake piece (210) is connected with the brake disc, and when the brake mechanism (200) is in a brake release state, the brake piece (210) is separated from the brake disc.
11. A child stroller comprising a frame (400), wheels (300) mounted on the bottom of the frame (400), characterized in that: the stroller further comprises a brake device according to any of claims 1-10 for braking the wheel (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910410205.XA CN110171460B (en) | 2019-05-17 | 2019-05-17 | Brake device of children's barrow and children's barrow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910410205.XA CN110171460B (en) | 2019-05-17 | 2019-05-17 | Brake device of children's barrow and children's barrow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110171460A CN110171460A (en) | 2019-08-27 |
| CN110171460B true CN110171460B (en) | 2024-05-10 |
Family
ID=67691319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910410205.XA Active CN110171460B (en) | 2019-05-17 | 2019-05-17 | Brake device of children's barrow and children's barrow |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113978539A (en) * | 2020-07-09 | 2022-01-28 | 明门瑞士股份有限公司 | Baby carriage brake mechanism and baby carriage with same |
| CN112849249A (en) * | 2021-01-26 | 2021-05-28 | 徐江林 | Driving device for baby carriage capable of stepping on double brakes |
| CN113276924B (en) * | 2021-06-07 | 2022-11-11 | 东莞市江顺箱包袋配件有限公司 | Pedal brake structure, pedal double-brake device and application |
| CN116001900A (en) * | 2021-10-21 | 2023-04-25 | 明门(中国)幼童用品有限公司 | Wheel set brake mechanism and baby carriage |
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| CN201325472Y (en) * | 2008-12-15 | 2009-10-14 | 好孩子儿童用品有限公司 | Brake structure of baby buggies |
| CN202654639U (en) * | 2012-05-11 | 2013-01-09 | 王本寰 | Folding-type golf cart |
| CN105109540A (en) * | 2015-08-25 | 2015-12-02 | 好孩子儿童用品有限公司 | Brake mechanism and stroller with same |
| CN206826727U (en) * | 2017-03-29 | 2018-01-02 | 好孩子儿童用品有限公司 | The braking mechanism and children trolley of children trolley |
| CN210416706U (en) * | 2019-05-17 | 2020-04-28 | 好孩子儿童用品有限公司 | Brake device of baby carriage and baby carriage |
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| US8684395B2 (en) * | 2010-10-21 | 2014-04-01 | Wonderland Nurserygoods Company Limited | Child stroller and stand platform assembly thereof |
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| CN201325472Y (en) * | 2008-12-15 | 2009-10-14 | 好孩子儿童用品有限公司 | Brake structure of baby buggies |
| CN202654639U (en) * | 2012-05-11 | 2013-01-09 | 王本寰 | Folding-type golf cart |
| CN105109540A (en) * | 2015-08-25 | 2015-12-02 | 好孩子儿童用品有限公司 | Brake mechanism and stroller with same |
| CN206826727U (en) * | 2017-03-29 | 2018-01-02 | 好孩子儿童用品有限公司 | The braking mechanism and children trolley of children trolley |
| CN210416706U (en) * | 2019-05-17 | 2020-04-28 | 好孩子儿童用品有限公司 | Brake device of baby carriage and baby carriage |
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