CN220430269U - Novel brake structure and baby carrier applying same - Google Patents
Novel brake structure and baby carrier applying same Download PDFInfo
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- CN220430269U CN220430269U CN202321589838.XU CN202321589838U CN220430269U CN 220430269 U CN220430269 U CN 220430269U CN 202321589838 U CN202321589838 U CN 202321589838U CN 220430269 U CN220430269 U CN 220430269U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 162
- 238000005452 bending Methods 0.000 abstract description 3
- 238000003756 stirring Methods 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of children supplies, and relates to a novel brake structure and a baby carrier applying the same, wherein a brake pin is provided with a brake state of being inserted into a brake hole and a brake release state of being separated from the brake hole; the first transmission piece is provided with a first position and a second position which correspond to the braking state and the braking state releasing state respectively in the movable block; the movable block rotates relative to the first transmission piece through the operation piece, so that the first transmission piece is switched between a first position and a second position, and the brake pin is driven to slide relative to the brake hole through the pull rope, so that the brake pin is switched between a brake state and a brake releasing state; the operation piece is connected with a first elastic piece, and when the operation piece is reset through the first elastic piece, the movable block keeps the current posture, so that the first transmission piece is kept at a first position or a second position; the user can directly step on the operating piece to drive the transmission assembly to act, the operating piece can be automatically reset, and the user does not need to take the action of picking on the back of the foot or bending down to manually stir the brake pad or pedal.
Description
Technical Field
The utility model relates to the technical field of children products, in particular to a novel brake structure and a baby carrier applying the same.
Background
Strollers are "vehicles" for infants that require someone to assist in pushing or pulling the child. In the market, the baby carriage can be roughly divided into luxury type suitable for common families and long-time use when going out and portable type suitable for frequent going out according to function use, and also a tricycle convenient for guardianship outdoor exercises.
The baby carrier generally comprises a frame part and a wheel part, wherein the frame is provided with accessories such as a child seat, a child basket and the like for children, the bottom of the frame is provided with wheels so that a guardian can push the baby carrier to walk, thereby bringing convenience for the guardian to walk with the children at any time.
The utility model is researched and proposed for overcoming the defects of the prior art.
Disclosure of Invention
The utility model provides a novel brake structure and a baby carrier applying the same, aiming at the problem that the brake pad is required to be manually pulled by a guardian to take up or bend down when the brake is released by the prior brake structure.
The technical scheme adopted for solving the technical problems is as follows:
a novel brake structure comprising: a wheel, the wheel having an axle, the side surface being provided with a brake hole provided around the axle; the wheel seat is connected with the wheel shaft, and is provided with a brake pin corresponding to the brake hole in a sliding manner, and the brake pin is in a brake state of being inserted into the brake hole and a brake release state of being separated from the brake hole; the brake device comprises a base, wherein a transmission assembly is arranged in the base, the transmission assembly comprises a movable block which is rotatably arranged, a first transmission part which is slidably arranged between the movable block and the base, and a pull rope which is connected between the first transmission part and a brake pin, and the first transmission part is provided with a first position and a second position which respectively correspond to the brake state and the brake release state in the movable block; the operation piece is rotationally connected to one side of the base, and the movable block is rotated relative to the first transmission piece through the operation piece, so that the first transmission piece is switched between the first position and the second position, and the brake pin is driven to slide relative to the brake hole through the pull rope, so that the brake pin is switched between the brake state and the brake releasing state; the operation piece is connected with a first elastic piece, and when the operation piece is reset through the first elastic piece, the movable block keeps the current posture, so that the first transmission piece is kept at the first position or the second position.
According to the novel brake structure, the transmission assembly further comprises the second transmission part which is slidably arranged between the movable block and the operation part, the second transmission part is arranged on the side different from the side of the first transmission part, the movable block is internally provided with the first guide grooves which are matched with the second transmission part, the first guide grooves are provided with a plurality of first guide grooves and are distributed in a circumferential direction, when the operation part is reset, the second transmission part is driven to rotate, and the second transmission part is guided to slide in the operation part by the first guide grooves and is deviated from the first guide grooves, so that the movable block keeps the current posture; the second transmission piece is connected with a second elastic piece, and the second elastic piece is used for enabling the second transmission piece to be inserted into the corresponding first guide groove.
According to the novel brake structure, the first guide slope, the first limiting walls and the second limiting walls are arranged in the first guide groove, the first limiting walls and the second limiting walls are positioned on two sides of the first guide slope, the first guide slope inclines upwards from the bottom of the first guide groove to the top of the second limiting walls, and a first accommodating space matched with the second transmission piece is arranged between the first limiting walls and the first guide slope; when the operating piece drives the second transmission piece to rotate, the second transmission piece drives the movable block to rotate relative to the first transmission piece through the first limiting wall; when the operating piece is reset, the second transmission piece is driven to rotate, the second transmission piece moves from the first accommodating space to the second limiting wall along the first guiding slope, and the second transmission piece is pushed by the first guiding slope and slides in the operating piece, so that the second transmission piece is separated from the first guiding groove.
According to the novel brake structure, the movable block is also provided with the second guide grooves and the positioning grooves which are matched with the first transmission piece, the second guide grooves are provided with a plurality of second guide grooves and are distributed at intervals in the circumferential direction, a positioning groove is arranged between any two second guide grooves, and when the first transmission piece is arranged in the second guide grooves, the first transmission piece is positioned at the second position; when the first transmission piece is placed in the positioning groove, the first transmission piece is located at the first position.
According to the novel brake structure, the second installation cavity for accommodating the first transmission piece is formed in the base, the third elastic piece connected with the first transmission piece is arranged in the second installation cavity, and the third elastic piece is used for enabling the first transmission piece to be inserted into the second guide groove or the positioning groove.
According to the novel brake structure, the second guide slope, the third limiting wall and the fourth limiting wall which are positioned on two sides of the second guide slope are arranged in the second guide groove, the second guide slope inclines upwards from the bottom of the second guide groove to the top of the fourth limiting wall, and a second accommodating space which is matched with the first transmission piece is arranged between the third limiting wall and the second guide slope; when the operating piece rotates and drives the movable block to rotate relative to the first transmission piece, the first transmission piece moves from the second accommodating space to the fourth limiting wall along the second guiding slope, and the first transmission piece is pushed by the second guiding slope to slide in the base and deviate from the second guiding groove.
According to the novel brake structure, the guide part is arranged in the positioning groove, and when the movable block rotates relative to the first transmission piece, and the first transmission piece is arranged in the first position, the guide part is used for guiding the first transmission piece to slide in the base and deviate from the positioning groove.
According to the novel brake structure, the third mounting cavity for accommodating the brake pin is formed in the wheel seat, the fourth elastic piece connected with the brake pin is arranged in the third mounting cavity, and the fourth elastic piece is used for enabling the brake pin to be inserted into the brake hole.
According to the novel brake structure, the elastic sheet arranged in the circumferential direction is arranged on the outer side of the movable block, the limiting groove corresponding to the elastic sheet is arranged in the base, the limiting step is arranged on one side of the limiting groove, and the limiting step is used for limiting the movable block to reversely rotate.
A stroller employing the brake structure, comprising a stroller body comprising the brake structure as described above.
Compared with the prior art, the utility model has the beneficial effects that:
the operation piece is automatically reset through the first elastic piece, so that a user can directly step on the operation piece to drive the transmission assembly to act, and the transmission assembly is used for further driving the brake pin to slide relative to the brake hole, so that the brake pin can switch a brake state and release the brake state, the user does not need to take the action of picking up on the back of the foot or bending down to manually stir the brake pad or pedal, the brake structure in the embodiment is simple to operate, convenient and quick, time-saving and labor-saving, and user experience is optimized; moreover, when the operating member is automatically reset, the transmission assembly is not disturbed, so that the normal operation of the transmission assembly is ensured.
The utility model will be further described with reference to the drawings and detailed description.
Drawings
FIG. 1 is a perspective view of a brake structure according to the present utility model;
FIG. 2 is a second perspective view of the brake structure of the present utility model;
FIG. 3 is an exploded view (hidden pull cord) of the wheel base, wheel, brake pin and fourth elastic member of the present utility model;
FIG. 4 is an enlarged view of the section A-A of FIG. 2;
FIG. 5 is an exploded view of the operating member, transmission assembly (hidden drawstring) of the present utility model;
FIG. 6 is a perspective view of the operating member, transmission assembly of the present utility model;
FIG. 7 is a cross-sectional view B-B of FIG. 6;
FIG. 8 is a cross-sectional view C-C of FIG. 6;
FIG. 9 is a sectional view D-D of FIG. 6;
FIG. 10 is a perspective view of a movable block of the present utility model;
fig. 11 is a perspective view of a movable block according to the present utility model.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-11, the present utility model provides a stroller comprising a stroller body comprising a novel braking structure comprising a wheel 1, the wheel 1 having an axle 11, the sides of which are provided with braking holes 12 arranged around the axle 11; the wheel seat 2 is connected with the wheel shaft 11, and is provided with a brake pin 21 corresponding to the brake hole 12 in a sliding manner, wherein the brake pin 21 has a brake state of being inserted into the brake hole 12 and a brake release state of being separated from the brake hole 12; the brake device comprises a base 3, wherein a transmission assembly 4 is arranged in the base 3, the transmission assembly 4 comprises a movable block 41 rotatably installed, a first transmission member 42 slidably installed between the movable block 41 and the base 3, and a pull rope connected between the first transmission member 42 and a brake pin 21, and the first transmission member 42 is provided with a first position and a second position in the movable block 41, which correspond to a brake state and a brake release state respectively; the operating piece 5 is rotatably connected to one side of the base 3, the moving block 41 is rotated relative to the first transmission piece 42 through the operating piece 5, so that the first transmission piece 42 is switched between the first position and the second position, and the brake pin 21 is driven to slide relative to the brake hole 12 through the pull rope, so that the brake pin 21 is switched between the brake state and the brake release state; the operating member 5 is connected with a first elastic member 6, and when the operating member 5 is restored by the first elastic member 6, the movable block 41 maintains the current posture so that the first transmission member 42 is maintained at the first position or the second position.
In this embodiment, the braking structure is mounted on a stroller body, the stroller body includes a frame, the left and right sides of the frame are provided with the wheel 1 and the wheel seat 2, two sets of transmission assemblies 4 are disposed between the two wheels 1, two sets of transmission assemblies 4 are respectively configured with a base 3 connected with the wheel seat 2, an operating member 5 is disposed between the two bases 3, the operating member 5 is generally configured to be pedal, the operating member 5 includes an operating portion 501 and a rotating portion 502, the operating member 5 is connected between the two bases 3 through the rotating portion 502, the operating portion 501 is capable of being stepped on by a user, a rotating cavity for mounting the movable block 41 is disposed in the base 3, the first transmission member 42 is slidably connected between the movable block 41 and the base 3, when the user steps on the operating member 5 for the first time, the user steps on the operating portion 501, the operating member 5 is enabled to rotate downwards relative to the base 3 through the rotating portion 502, and simultaneously drives the movable block 41 to rotate in the same direction as the operating member 5 (in fig. 5; arrow H1 indicates the movement direction of the operating portion 501 at this time, arrow H2 indicates the movement direction of the rotating portion 502 at this time, arrow H3 indicates the movement direction of the movable block 41 at this time), the movable block 41 rotates relative to the first transmission member 42 through the operating member 5, and slides the first transmission member 42 away from the movable block 41 in the base 3, so that the first transmission member 42 is switched from the second position to the first position, the pulling rope is contracted toward the brake pin 21 by the pressing force of the first transmission member 42 to drive the brake pin 21 to slide toward the brake hole 12 and insert into the brake hole 12, the brake pin 21 is switched from a brake release state to a brake state, so that the brake effect of the brake structure on the wheel 1 is realized, when the user removes the stepping force on the operating member 5, the operating member 5 reversely rotates and resets under the elastic force of the first elastic member 6, at this time, the movable block 41 maintains the current posture, and the first transmission member 42 maintains the first position, that is, when the operating member 5 resets, the movable block 41 is stationary relative to the base 3, so that the first transmission member 42 maintains the first position, and the brake pin 21 maintains the brake state; when the user steps on the operating member 5 for the second time, the user steps on the operating portion 501, so that the operating member 5 rotates downward relative to the base 3 through the rotating portion 502, and drives the movable block 41 to rotate relative to the first transmission member 42 (in fig. 5, arrow H1 indicates a movement direction of the operating portion 501 at this time, arrow H2 indicates a movement direction of the rotating portion 502 at this time, and arrow H3 indicates a movement direction of the movable block 41 at this time), at this time, the first transmission member 42 slides in the base 3 away from the movable block 41 through the movable block 41, so that the first transmission member 42 is switched from the first position to the second position, thereby pulling the pull rope, and the brake pin 21 slides in the wheel seat 2 away from the brake hole 12 through the pull rope, so that the brake pin 21 is switched from the brake state to the contact brake state, thereby releasing the braking effect on the wheel 1; through the arrangement, the operation piece 5 can be automatically reset through the first elastic piece 6, so that a user can directly press the operation piece 5 to drive the transmission assembly 4 to act, and the brake pin 21 is driven to slide relative to the brake hole 12 through the transmission assembly 4, so that the brake pin 21 is switched between the brake state and the brake releasing state, the user does not need to take the action of picking up the back of the foot or bending down to manually stir the brake pad or pedal, and the transmission assembly 4 is not interfered when the operation piece 5 is automatically reset, so that the transmission assembly 4 is ensured to normally operate; preferably, the first elastic member 6 is a torsion spring, which is easy to obtain and has low production cost.
Specifically, the movable block 41 is further provided with a second guiding groove 412 and a positioning groove 413 adapted to the first transmission member 42, the second guiding grooves 412 are provided with a plurality of second guiding grooves 412 and are distributed at intervals in a circumferential direction, a positioning groove 413 is provided between any two second guiding grooves 412, and when the first transmission member 42 is placed in the second guiding groove 412, the first transmission member 42 is located at the second position; when the first transmission member 42 is placed in the positioning groove 413, the first transmission member 42 is in the first position. Further, a second guiding slope 4121, a third limiting wall 4122 and a fourth limiting wall 4123 are disposed in the second guiding groove 412, the second guiding slope 4121 is inclined upward from the bottom of the second guiding groove 412 to the top of the fourth limiting wall 4123, and a second accommodating space 4124 adapted to the first driving member 42 is disposed between the third limiting wall 4122 and the second guiding slope 4121; when the operating member 5 rotates and drives the movable block 41 to rotate relative to the first transmission member 42, the first transmission member 42 moves from the second accommodating space 4124 to the fourth limiting wall 4123 along the second guiding ramp 4121, and the first transmission member 42 is pushed by the second guiding ramp 4121 to slide in the base 3 away from the second guiding slot 412. Preferably, a second mounting cavity 31 for accommodating the first transmission member 42 is provided in the base 3, and a third elastic member 421 connected to the first transmission member 42 is provided in the second mounting cavity 31, where the third elastic member 421 is used to insert the first transmission member 42 into the second guiding slot 412 or the positioning slot 413.
As shown in fig. 5, 7, 9, and 11, in this embodiment, a second guiding groove 412 and a positioning groove 413 are provided on one side of the movable block 41 opposite to the first driving member 42, preferably, the second guiding groove 412 and the positioning groove 413 are respectively provided with three parts, and the second guiding groove 412 and the positioning groove 413 intersect and are distributed on the side surface of the movable block 41 in a circumferential direction, preferably, the second guiding slope 4121 has a certain radian, when the brake pin 21 is in a brake release state, the first driving member 42 extends into the second guiding groove 412 and is placed in the second accommodating space 4124, when the operation member 5 drives the movable block 41 to rotate, the second guiding slope 4121 is driven to rotate relative to the first driving member 42, so that the first driving member 42 is pushed away from the second guiding groove 412 in the base 3 by the second guiding slope 4121, and the first driving member 42 is pressed by the third elastic member 421, when the brake pin 41 is in a brake release state, and the brake pin 41 is further rotated by the operation member 5, and the first driving member is switched to the second driving member 41, and the first driving member is easily to be in a normal state, and the brake pin is released from the first driving member 41 is pushed by the first driving member 41.
Further preferably, the positioning groove 413 is provided with a guiding portion 4131, and when the movable block 41 rotates relative to the first transmission member 42 and the first transmission member 42 is placed in the first position, the guiding portion 4131 is used for guiding the first transmission member 42 to slide in the base 3 away from the positioning groove 413. As shown in fig. 9 and 11, in the present embodiment, the edge of the positioning groove 413 is provided with a guiding portion 4131, preferably, the guiding portion 4131 is provided as an annular inner chamfer portion at the port of the positioning groove 413, and the end portion of the first transmission member 42 is provided with an outer chamfer portion corresponding to the guiding portion 4131; when the user steps on the operating member 5 for the second time to rotate, the first driving member 42 is located in the positioning groove 413, the operating member 5 drives the movable block 41 to rotate relative to the first driving member 42, so as to drive the positioning groove 412 to rotate relative to the second driving member 43, the guiding portion 4131 pushes the first driving member 42 to move away from the positioning groove 413 in the base 3, and simultaneously the new second guiding groove 412 rotates relative to the first driving member 42 through the movable block 41, so that the first driving member 42 is switched from the first position to the second position, and the brake pin 21 is switched from the braking state to the braking release state; through set up in constant head tank 413 guide part 4131 makes first driving medium 42 can receive the thrust of guide part 4131 deviates from corresponding constant head tank 413 automatically in base 3 and slides, need not additionally to exert the driving force, and the user only need step on the operating member 5 can pass through drive assembly 4 realizes the brake or releases the brake to the bassinet, convenient and fast, labour saving and time saving.
Preferably, the transmission assembly 4 further includes a second transmission member 43 slidably mounted between the movable block 41 and the operation member 5, where the second transmission member 43 is on a different side from the first transmission member 42, a first guide slot 411 adapted to the second transmission member 43 is provided in the movable block 41, the first guide slots 411 are provided with a plurality of circumferentially distributed first guide slots 411, and when the operation member 5 resets, the second transmission member 43 is driven to rotate, and the second transmission member 43 is guided by the first guide slots 411 to slide in the operation member 5 away from the first guide slot 411, so that the movable block 41 maintains a current posture; the second driving member 43 is connected with a second elastic member 431, and the second elastic member 431 is used for inserting the second driving member 43 into the corresponding first guiding slot 411. Further, a first guiding slope 4111, a first limiting wall 4112 and a second limiting wall 4113 are disposed in the first guiding slot 411, the first limiting wall 4112 and the second limiting wall 4113 are disposed at two sides of the first guiding slope 4111, the first guiding slope 4111 is inclined upwards from the bottom of the first guiding slot 411 to the top of the second limiting wall 4113, and a first accommodating space 4114 adapted to the second transmission member 43 is disposed between the first limiting wall 4112 and the first guiding slope 4111; when the operating member 5 drives the second transmission member 43 to rotate, the second transmission member 43 drives the movable block 41 to rotate relative to the first transmission member 42 through the first limiting wall 4112; when the operating member 5 is reset, the second driving member 43 is driven to rotate, the second driving member 43 moves from the first accommodating space 4114 to the second limiting wall 4113 along the first guiding ramp 4111, and the second driving member 43 is pushed by the first guiding ramp 4111 and slides in the operating member 5, so that the second driving member 43 is separated from the first guiding slot 411.
As shown in fig. 5, 7, 8, and 10, in this embodiment, the first guiding slot 411 is provided with a plurality of guiding slots and is annularly distributed in a side surface of the movable block 41 facing the second transmission member 43, the first guiding slot 411 is on a different side from the second guiding slot 412, the second transmission member 43 is on a different side from the first transmission member 42, the first guiding slope 4111 is similar to the second guiding slope 4121 in structure, preferably, the first guiding slope 4111 has a certain radian, when the brake pin 21 is in a brake release state, the second transmission member 43 extends into the first guiding slot 411 and is placed in the first accommodating space 4114, and when the operation member 5 drives the second transmission member 43 to rotate, the second transmission member 43 abuts against the first limiting wall 4112 and drives the movable block 41 to rotate in the same direction, and during the rotation, the movable block 41 drives the first guiding slope 4111 to rotate so as to enable the first transmission member 42 to switch from the first position to the brake pin 21 to the brake release state; when the operation member 5 automatically resets through the first elastic member 6, the operation member 5 drives the second transmission member 43 to reversely rotate and reset, at this time, the second transmission member 43 moves from the first accommodating space 4114 to the second limiting wall 4113 along the first guiding slope 4111, and pushes the second transmission member 43 to slide in the operation member 5 away from the corresponding first guiding slot 411 through the first guiding slope 4111, and the operation member 5 further drives the second transmission member 43 to rotate, so that the second transmission member 43 is opposite to the next first guiding slot 411 and is inserted into the next first guiding slot 411 by the elastic force of the second elastic member 431, so as to prepare for re-transmission of the movable block 41, and the movable block 41 has a simple integral structure and is easy to be produced and implemented; preferably, the operating member 5 is provided with a first mounting cavity 51 for accommodating the second transmission member 43, the second elastic member 431 is mounted in the first mounting cavity 51 and connected with the second transmission member 43, and the second elastic member 431 is preferably a spring, which is easy to obtain and has low production cost.
Preferably, a third mounting cavity 22 for accommodating the brake pin 21 is provided in the wheel seat 2, a fourth elastic member 23 connected to the brake pin 21 is provided in the third mounting cavity 22, and the fourth elastic member 23 is used for inserting the brake pin 21 into the brake hole 12. As shown in fig. 3 and 4, in the present embodiment, the brake pin 21 is slidably mounted in the third mounting cavity 22, the stability of the brake pin 21 is enhanced by the third mounting cavity 22, and the brake pin 21 is slid toward the brake hole 12 by the fourth elastic member 23, so that the brake pin 21 is converted into a braking state, the moving speed of the brake pin 21 is increased, and the braking efficiency of the braking structure is improved.
Preferably, a spring piece 414 disposed in a circumferential direction is disposed on the outer side of the movable block 41, a limit groove 32 corresponding to the spring piece 414 is disposed in the base 3, a limit step 33 is disposed on one side of the limit groove 32, and the limit step 33 is used for limiting the movable block 41 to rotate reversely. As shown in fig. 5, 8 and 9, in this embodiment, a limiting groove 32 communicating with the rotating cavity is provided in the base 3, a plurality of elastic pieces 414 disposed circumferentially are provided outside the movable block 41, one end of each elastic piece 414 is connected with the movable block 41 and extends toward the outside of the movable block 41, the limiting groove 32 is adapted to the elastic piece 414, and during assembly, the end of each elastic piece 414 abuts against the limiting step 33; when the brake pin 21 is in a brake release state, the operation member 5 is driven by an external force to rotate downwards by the second transmission member 43, the second transmission member 43 drives the movable block 41 to rotate downwards in the rotating cavity so as to drive the elastic piece 414 to rotate along the corresponding limit groove 32 in a direction away from the limit step 33 corresponding to the elastic piece, in the rotating process, the elastic piece 414 is pressed by the wall body of the base 3 to approach the outer wall of the movable block 41, so that the elastic piece 414 rotates in the corresponding limit groove 32 to be abducted and the elastic piece 414 is enabled to store energy, and after the elastic piece 414 rotates to the next limit groove 32 along with the movable block 41, the elastic piece 414 is elastically embedded into the new limit groove 32 by itself and is fixed by the corresponding limit step 33; when the operating member 5 is reversely rotated and reset by the first elastic member 6, the second transmission member 43 follows the operating member 5 to rotate, and the second transmission member 43 moves from the first limiting wall 4112 to the second limiting wall 4113 along the first guiding slope 4111, and at this time, the limiting step 33 further limits the movable block 41 from rotating under the action of the second transmission member 43, so as to prevent the movable block 41 from following the rotation of the second transmission member 43 to drive the first transmission member 42 to generate linkage, which results in interference between the brake release state and the brake release state of the brake pin 21.
The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.
Claims (10)
1. A novel brake structure, comprising:
a wheel (1), the wheel (1) having an axle (11), the side surface being provided with a brake hole (12) arranged around the axle (11);
the wheel seat (2), the wheel seat (2) is connected with the wheel axle (11), and is provided with a brake pin (21) corresponding to the brake hole (12) in a sliding manner, and the brake pin (21) has a brake state of being inserted into the brake hole (12) and a brake release state of being separated from the brake hole (12);
the brake device comprises a base (3), wherein a transmission assembly (4) is arranged in the base (3), the transmission assembly (4) comprises a movable block (41) which is rotatably installed, a first transmission member (42) which is slidably installed between the movable block (41) and the base (3), and a pull rope which is connected between the first transmission member (42) and a brake pin (21), and the first transmission member (42) is provided with a first position and a second position which respectively correspond to a brake state and a brake release state in the movable block (41);
the operating piece (5) is rotationally connected to one side of the base (3), the movable block (41) rotates relative to the first transmission piece (42) through the operating piece (5), so that the first transmission piece (42) is switched between the first position and the second position, and the brake pin (21) is driven to slide relative to the brake hole (12) through the pull rope, so that the brake pin (21) is switched between the brake state and the brake release state;
the operation piece (5) is connected with a first elastic piece (6), and when the operation piece (5) is reset through the first elastic piece (6), the movable block (41) keeps the current posture, so that the first transmission piece (42) is kept at the first position or the second position.
2. A novel brake structure as claimed in claim 1, characterized in that the transmission assembly (4) further comprises a second transmission member (43) slidably mounted between the movable block (41) and the operation member (5), the second transmission member (43) is on a different side from the first transmission member (42), the movable block (41) is provided with first guide grooves (411) adapted to the second transmission member (43), the first guide grooves (411) are provided with a plurality of circumferentially distributed, and when the operation member (5) is reset, the second transmission member (43) is driven to rotate, and the second transmission member (43) is guided to slide away from the first guide grooves (411) in the operation member (5) through the first guide grooves (411), so that the movable block (41) maintains the current posture; the second transmission piece (43) is connected with a second elastic piece (431), and the second elastic piece (431) is used for enabling the second transmission piece (43) to be inserted into the corresponding first guide groove (411).
3. The novel brake structure as claimed in claim 2, wherein a first guiding slope (4111), a first limiting wall (4112) and a second limiting wall (4113) are arranged in the first guiding groove (411), the first limiting wall (4112) and the second limiting wall (4113) are positioned at two sides of the first guiding slope (4111), the first guiding slope (4111) is inclined upwards from the bottom of the first guiding groove (411) to the top of the second limiting wall (4113), and a first accommodating space (4114) matched with the second transmission member (43) is arranged between the first limiting wall (4112) and the first guiding slope (4111); when the operating piece (5) drives the second transmission piece (43) to rotate, the second transmission piece (43) drives the movable block (41) to rotate relative to the first transmission piece (42) through the first limiting wall (4112); when the operation piece (5) is reset, the second transmission piece (43) is driven to rotate, the second transmission piece (43) moves from the first accommodating space (4114) to the second limiting wall (4113) along the first guiding slope (4111), and the second transmission piece (43) is pushed by the first guiding slope (4111) and slides in the operation piece (5) so that the second transmission piece (43) is separated from the first guiding groove (411).
4. The novel brake structure as claimed in claim 1, wherein the movable block (41) is further provided with a second guide groove (412) and a positioning groove (413) which are matched with the first transmission member (42), the second guide grooves (412) are provided with a plurality of second guide grooves and are distributed at intervals in a circumferential direction, a positioning groove (413) is arranged between any two second guide grooves (412), and when the first transmission member (42) is placed in the second guide groove (412), the first transmission member (42) is positioned at the second position; when the first transmission member (42) is placed in the positioning groove (413), the first transmission member (42) is in the first position.
5. A novel brake structure as claimed in claim 4, characterized in that the base (3) is provided with a second mounting cavity (31) for accommodating the first transmission member (42), the second mounting cavity (31) is provided with a third elastic member (421) connected with the first transmission member (42), and the third elastic member (421) is used for inserting the first transmission member (42) into the second guide groove (412) or the positioning groove (413).
6. The novel brake structure as claimed in claim 4, wherein a second guiding slope (4121), a third limiting wall (4122) and a fourth limiting wall (4123) are arranged in the second guiding groove (412), the second guiding slope (4121) is inclined upwards from the bottom of the second guiding groove (412) to the top of the fourth limiting wall (4123), and a second accommodating space (4124) which is matched with the first transmission member (42) is arranged between the third limiting wall (4122) and the second guiding slope (4121); when the operating member (5) rotates and drives the movable block (41) to rotate relative to the first transmission member (42), the first transmission member (42) moves from the second accommodating space (4124) to the fourth limiting wall (4123) along the second guiding slope (4121), and the first transmission member (42) is pushed by the second guiding slope (4121) to slide in the base (3) away from the second guiding groove (412).
7. A new braking structure as claimed in claim 4, characterised in that the positioning groove (413) is provided therein with a guide portion (4131), the guide portion (4131) being adapted to guide the first transmission member (42) to slide away from the positioning groove (413) in the base (3) when the movable block (41) rotates relative to the first transmission member (42) and the first transmission member (42) is disposed in the first position.
8. A new brake structure according to claim 1, characterized in that a third mounting cavity (22) for accommodating the brake pin (21) is provided in the wheel seat (2), a fourth elastic member (23) connected with the brake pin (21) is provided in the third mounting cavity (22), and the fourth elastic member (23) is used for inserting the brake pin (21) into the brake hole (12).
9. The novel brake structure according to claim 1, wherein an elastic sheet (414) arranged in a circumferential direction is arranged on the outer side of the movable block (41), a limiting groove (32) corresponding to the elastic sheet (414) is arranged in the base (3), a limiting step (33) is arranged on one side of the limiting groove (32), and the limiting step (33) is used for limiting the movable block (41) to reversely rotate.
10. A stroller incorporating the braking arrangement, comprising a stroller body, wherein the stroller body comprises the braking arrangement of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321589838.XU CN220430269U (en) | 2023-06-20 | 2023-06-20 | Novel brake structure and baby carrier applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321589838.XU CN220430269U (en) | 2023-06-20 | 2023-06-20 | Novel brake structure and baby carrier applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220430269U true CN220430269U (en) | 2024-02-02 |
Family
ID=89695806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321589838.XU Active CN220430269U (en) | 2023-06-20 | 2023-06-20 | Novel brake structure and baby carrier applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220430269U (en) |
-
2023
- 2023-06-20 CN CN202321589838.XU patent/CN220430269U/en active Active
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