CN217124900U

CN217124900U - Baby stroller brake device and baby stroller

Info

Publication number: CN217124900U
Application number: CN202220317132.7U
Authority: CN
Inventors: 陈海芬
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-08-05
Anticipated expiration: 2032-02-16

Abstract

The utility model discloses a baby's shallow brake equipment and baby's shallow, wherein, baby's shallow brake equipment, it includes: the wheel assembly comprises a wheel seat, a wheel carrier and a roller, wherein the roller is rotatably arranged on the wheel carrier and is coaxially provided with a gear ring; the brake system comprises a mounting disc, a driving structure, a sliding part, a first elastic part, a brake lever, a second elastic part and a first pull rope, wherein the mounting disc is movably arranged on a wheel seat, the driving structure is arranged between the mounting disc and the wheel seat, the brake lever is arranged on a wheel carrier in a sliding mode and can be meshed and inserted into a gear ring, and the first pull rope is connected with the sliding part and the brake lever respectively. Through the structure, the brake rod of the brake system is connected with the sliding part through the first pull rope so as to transmit the pulling force, the mounting disc and the sliding part are in contact fit, the brake system can be suitable for the brake of the roller with one or more degrees of freedom, and the brake system has a wide application range.

Description

Baby stroller brake device and baby stroller

Technical Field

The utility model relates to a articles for babies technical field, in particular to baby's shallow brake equipment and baby's shallow.

Background

The baby stroller is generally pushed by a person to walk, and when the baby stroller stops walking, the roller of the baby stroller is usually locked by a braking system, so that the baby stroller is prevented from moving by itself. In the prior art, for some stroller, the roller can only roll and walk along one direction relative to the frame, i.e. the roller has only one rotational degree of freedom relative to the frame, the brake system of the stroller includes a brake pedal and a connecting rod assembly connected to the brake pedal, when a user steps on the brake pedal, the connecting rod assembly can drive the connecting rod assembly connected to the brake pedal to act, and the connecting rod assembly can be clamped on the roller to limit the rotation of the roller. However, the rollers of some strollers are designed to have multiple degrees of freedom, i.e., the rollers can roll and swing relative to the frame, and the brake system is not suitable for use with a stroller having such rollers, and the brake system is not suitable for use with a wider variety of strollers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a baby's shallow brake equipment, its braking system can be with the gyro wheel locking to great application scope has.

The utility model discloses still provide the baby's shallow that has above-mentioned baby's shallow brake equipment.

According to the utility model discloses a first aspect provides a baby's shallow brake equipment, and it includes: the wheel assembly comprises a wheel seat, a wheel carrier and a roller, wherein the wheel carrier is arranged at the bottom of the wheel seat, and the roller is rotatably arranged on the wheel carrier and coaxially provided with a gear ring; braking system, including mounting disc, drive structure, slider, first elastic component, brake lever, second elastic component and first stay cord, the wheel seat is located in the mounting disc activity, drive structure locates between mounting disc and the wheel seat, and can drive the mounting disc removes along the wheel seat, the slider slides and sets up in the wheel carrier and can contact the cooperation with the mounting disc, first elastic component sets up between one side and the wheel carrier that the mounting disc was kept away from to the slider, the brake lever slides and sets up in the wheel carrier, just the brake lever meshability is inserted and is located the ring gear, the second elastic component sets up between one side and the wheel carrier that the ring gear was kept away from to the brake lever, slider and brake lever are connected respectively to first stay cord, the elasticity of first elastic component is not less than the elasticity of second elastic component.

According to a baby's shallow brake equipment, the bottom of wheel seat has the column segment, the column segment is located to the mounting disc rotation cover, drive structure leads the inclined plane including tractive spare, first lead inclined plane and second, tractive spare links to each other with the mounting disc, wheel seat is located to first lead inclined plane, the mounting disc is located to second lead inclined plane, and can with first lead inclined plane contact cooperation.

According to the baby stroller brake device, the first guide inclined planes and the second guide inclined planes are arranged in a plurality of numbers and are arranged around the column sections.

According to the baby stroller brake device, the mounting disc is provided with the grooves which are arranged around the column section and correspond to the second guide inclined planes in number, the wheel seat is provided with the convex parts corresponding to the first guide inclined planes in number, the convex parts are correspondingly inserted into the grooves, and the second guide inclined planes are arranged in the grooves.

According to a baby's shallow brake equipment, the outside of mounting disc has first installation department, the wheel seat is last to have the second installation department, be equipped with the third elastic component between first installation department and the second installation department.

According to the baby stroller brake device, the traction piece is arranged to be the second pull rope, the second pull rope is connected with the first installation portion and penetrates through the third elastic piece and the second installation portion.

According to a baby's shallow brake equipment, drive structure still include connecting rod and footboard spare, the connecting rod sets firmly in the wheel seat, footboard spare rotates the cover and locates the connecting rod, the guide slot has on the connecting rod, it is provided with the guide bar that links to each other with the tractive spare to slide in the guide slot, the last spigot surface and the thrust surface that are connected that have of footboard spare, the spigot surface slope is arranged in the guide slot, the thrust surface is arranged with the guide slot is perpendicular, the guide bar stretches out the guide slot and can cooperate with the spigot surface contact.

According to a baby's shallow brake equipment of said, the wheel carrier includes: the support is provided with a shaft section which is coaxial with the mounting disc, and the shaft section is rotatably inserted into the wheel seat; one side of the mounting rack is rotationally connected with the support, and the other side of the mounting rack is rotationally connected with the roller; and the fourth elastic piece is arranged between the support and the mounting frame.

According to a second aspect of the present invention, there is provided a stroller comprising a stroller brake apparatus as described above.

The beneficial effect that above-mentioned scheme has: through the structure, the brake rod of the brake system is connected with the sliding part through the first pull rope so as to transmit the pulling force, the mounting disc and the sliding part are in contact fit, the brake system can be suitable for the brake of the roller with one or more degrees of freedom, and the brake system has a wide application range.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a structural diagram of an embodiment of the brake device of the stroller of the present invention;

FIG. 2 is a block diagram of the brake assembly of the stroller shown in FIG. 1 from another perspective;

FIG. 3 is an exploded view of the brake assembly of the stroller shown in FIG. 1;

FIG. 4 is a block diagram of a brake system and wheel base;

fig. 5 is a sectional view of the brake apparatus of the stroller shown in fig. 1.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the terms "not smaller than, exceeding, etc. are understood to exclude the number, and the terms" above "," below "," inside ", etc. are understood to include the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

The utility model discloses a baby's shallow, it includes frame and baby's shallow brake equipment, and this baby's shallow brake equipment sets up in the bottom of frame.

Referring to fig. 1 to 5, a brake device for a stroller includes a wheel assembly 10 and a brake system, wherein the wheel assembly 10 includes a wheel seat 11, a wheel frame 12 and a roller 13, the wheel frame 12 is disposed at the bottom of the wheel seat 11, the roller 13 is rotatably disposed on the wheel frame 12, a gear ring 14 is coaxially disposed on the roller 13, and the wheel seat 11 is used for fixedly connecting to a stroller frame. The braking system comprises a mounting disc 21, a driving structure, a sliding part 23, a first elastic part 24, a brake lever 25, a second elastic part 26 and a first pull rope 27, wherein the mounting disc 21 is movably arranged on a wheel seat 11, the driving structure is arranged between the mounting disc 21 and the wheel seat 11, the mounting disc 21 can be driven to move along the wheel seat 11 through the driving structure, the sliding part 23 is arranged on a wheel frame 12 in a sliding mode and can be in contact fit with the mounting disc 21, the first elastic part 24 is arranged between one side, away from the mounting disc 21, of the sliding part 23 and the wheel frame 12, the brake lever 25 is arranged on the wheel frame 12 in a sliding mode, the brake lever 25 can be inserted into the gear ring 14 in a meshing mode, the second elastic part 26 is arranged between one side, away from the gear ring 14, of the brake lever 25 and the wheel frame 12, the first pull rope 27 is respectively connected with the sliding part 23 and the brake lever 25, and the elastic force of the first elastic part 24 is not less than that of the second elastic part 26.

In fig. 1 and 5, the roller 13 is shown in an unlocked state, in which the roller 13 can rotate relative to the wheel carrier 12, the first pulling rope 27 is in a tensioned state, and the brake lever 25 is under the pulling force of the first pulling rope 27 and is not inserted into the gear ring 14, wherein the elastic force accumulated by the first elastic member 24 and the second elastic member 26 can be set by adjusting the compression amount of the first elastic member 24 and the second elastic member 26, so that the elastic force of the first elastic member 24 is not less than the elastic force of the second elastic member 26, and the brake lever 25 is prevented from being pushed into the gear ring 14 by the second elastic member 26 when the roller 13 is in the unlocked state. When the roller 13 needs to be locked, the driving structure drives the mounting disc 21 to slide along the wheel seat 11, the mounting disc 21 pushes the sliding piece 23 which is in contact with the mounting disc, the first elastic piece 24 is compressed and accumulated with force, the first pull rope 27 is loosened, and the second elastic piece 26 drives the brake rod 25 to slide towards the gear ring 14, so that the brake rod 25 is engaged and inserted in the gear ring 14, and the roller 13 can be locked and braked.

Through the structure, the brake rod 25 and the sliding part 23 of the brake system are connected through the first pull rope 27 to transmit pulling force, the mounting disc 21 and the sliding part 23 adopt a contact matching mode, and the brake system can be suitable for the brake of the roller 13 with one or more degrees of freedom, and has a wide application range.

Specifically, the bottom of the wheel seat 11 is provided with a column section 111, the mounting disc 21 is rotatably sleeved on the column section 111, the driving structure includes a pulling part 221, a first guiding inclined surface 222 and a second guiding inclined surface 223, the pulling part 221 is connected with the mounting disc 21, the first guiding inclined surface 222 is arranged on the wheel seat 11, and the second guiding inclined surface 223 is arranged on the mounting disc 21 and can be in contact fit with the first guiding inclined surface 222. Can dismantle the connection through modes such as screw connection at column section 111's bottom and be provided with spacing dish 15, have the spacing limit 151 that is located mounting disc 21 below on the spacing dish 15, can restrict the mounting disc 21 through spacing limit 151 and slide and break away from column section 111. When the roller 13 needs to be locked, the mounting disc 21 is driven to rotate by pulling the pulling piece 221, and the mounting disc 21 can be driven to move along the wheel seat 11 while rotating through the contact fit of the first guiding inclined surface 222 and the second guiding inclined surface 223, so that the mounting disc 21 can push the sliding piece 23 to slide along the wheel frame 12.

In the present embodiment, the first guiding slope 222 and the second guiding slope 223 are provided in plural, and are arranged around the column section 111, so as to equalize the stress on the mounting plate 21. Further, the mounting plate 21 has a number of concave grooves 211 corresponding to the number of the second guiding inclined surfaces 223 and arranged around the column section 111, and the wheel seat 11 has a number of convex parts 112 corresponding to the number of the first guiding inclined surfaces 222, that is, the number of the concave grooves 211, the convex parts 112, the first guiding inclined surfaces 222 and the second guiding inclined surfaces 223 are all set to be equal. The convex portion 112 is correspondingly inserted into the concave groove 211, the first inclined guiding surface 222 is arranged at the side of the convex portion 112, and the second inclined guiding surface 223 is arranged in the concave groove 211.

The outer side of the mounting disc 21 is provided with a first mounting part 212, the wheel seat 11 is provided with a second mounting part 113, a third elastic part 28 is arranged between the first mounting part 212 and the second mounting part 113, and the third elastic part 28 can provide thrust to the mounting disc 21 so as to push the mounting disc 21 to enable the mounting disc 21 to rotate and reset when the roller 13 needs to be locked.

In this embodiment, the pulling member 221 is configured as a second pulling rope, which is connected to the first mounting portion 212 and passes through the third elastic member 28 and the second mounting portion 113. The second draw cord is easily bendable so that it is easy to install the arrangement.

In this embodiment, the driving structure further includes a connecting rod 224 and a pedal member 225, the connecting rod 224 is fixedly disposed on the wheel seat 11, the pedal member 225 is rotatably sleeved on the connecting rod 224, the connecting rod 224 has a guiding slot 2241, a guiding rod 2242 is slidably disposed in the guiding slot 2241, the pedal member 225 has a guiding surface 2251 and a thrust surface 2252 connected to each other, the guiding surface 2251 is disposed obliquely to the guiding slot 2241, the thrust surface 2252 is disposed perpendicularly to the guiding slot 2241, the pulling member 221 is connected to the guiding rod 2242, and the guiding rod 2242 extends out of the guiding slot 2241 and can be in contact with the guiding surface 2251. When the pedal member 225 is rotated relative to the connecting rod 224, the guide rod 2242 contacts and engages with the guide surface 2251, and the guide surface 2251 pushes the guide rod 2242 to slide along the guide slot 2241, so as to drive the pulling member 221 to move, and further drive the mounting plate 21 to rotate. The guide bar 2242 can slide along the guide surface 2251 onto the thrust surface 2252 while the guide bar 2242 slides along the guide groove 2241, and the guide bar 2242 is prevented from moving back along the guide surface 2251 by the resilient force of the third resilient member 28 by providing the thrust surface 2252.

The wheel frame 12 includes a support 121, a mounting frame 122 and a fourth elastic member 123, the support 121 is provided with a shaft section 1211 coaxially arranged with the mounting disc 21, that is, the axes of the shaft section 1211 and the column section 111 coincide, the shaft section 1211 is rotatably inserted into the wheel seat 11, so that the support 121 can rotate relative to the wheel seat 11, one side of the mounting frame 122 is rotatably connected with the support 121, the other side is rotatably connected with the roller 13, and the fourth elastic member 123 is provided between the support 121 and the mounting frame 122. Wherein, the rotation of gyro wheel 13 and mounting bracket 122 is connected and is made the frame of gyro wheel 13 relative baby's shallow have a rotational degree of freedom, and mounting bracket 122 is connected with the rotation of support 121 and is made gyro wheel 13 have a swing degree of freedom for baby's shallow's frame, and axle section 1211 rotates to insert and locates wheel seat 11 and make gyro wheel 13 have another swing degree of freedom for baby's shallow's frame, the utility model provides a gyro wheel 13 has a plurality of degrees of freedom.

According to the structure, the working mode of the baby stroller braking device is as follows:

when the roller 13 is unlocked as shown in fig. 1, and the roller 13 needs to be locked, the pedal member 225 is rotated forward relative to the connecting rod 224, so that the guide rod 2242 slides along the guide surface 2251 to the thrust surface 2252, during which process the guide rod 2242 drives the pulling member 221 to move, the pulling member 221 is tensioned by the pulling member 221 driving the mounting plate 21 to rotate forward around the column section 111 and the third elastic member 28 compressing the force; when the mounting disc 21 rotates around the column section 111 in the forward direction, the mounting disc 21 can be driven to move along the axial direction of the column section 111 through the matching of the first guiding inclined surface 222 and the second guiding inclined surface 223; when the mounting disc 21 moves, the sliding part 23 in contact with the mounting disc can be pushed, the first elastic part 24 is compressed to store force, the first pulling rope 27 is loosened, the second elastic part 26 drives the brake rod 25 to slide towards the gear ring 14, so that the brake rod 25 is engaged and inserted in the gear ring 14, the roller 13 can be locked and braked, and the second elastic part 26 extends to reduce force;

when it is desired to change the roller 13 from locking to unlocking, the pedal member 225 is rotated in the opposite direction with respect to the connecting rod 224, the guide rod 2242 is moved away from the stop surface 2252, the third elastic member 28 drives the mounting disc 21 to rotate in the opposite direction, and the pulling member 221 is moved to pull the guide rod 2242 to move and return, the sliding member 23 and the first pull rope 27 are driven to move by the first elastic member 24, the mounting disc 21 is pushed to move along the column section 111 by the sliding member 23, the convex portion 112 is inserted into the groove 211, the mounting disc 21 returns, the brake lever 25 is pulled to move by the first pull rope 27, the brake lever 25 is disengaged from the ring gear 14, so that the roller 13 can be unlocked, and the second elastic member 26 compresses the stored force.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A stroller brake apparatus, comprising:

the wheel assembly comprises a wheel seat, a wheel carrier and a roller, wherein the wheel carrier is arranged at the bottom of the wheel seat, and the roller is rotatably arranged on the wheel carrier and coaxially provided with a gear ring;

braking system, including mounting disc, drive structure, slider, first elastic component, brake lever, second elastic component and first stay cord, the wheel seat is located in the mounting disc activity, drive structure locates between mounting disc and the wheel seat, and can drive the mounting disc removes along the wheel seat, the slider slides and sets up in the wheel carrier and can contact the cooperation with the mounting disc, first elastic component sets up between one side and the wheel carrier that the mounting disc was kept away from to the slider, the brake lever slides and sets up in the wheel carrier, just the brake lever meshability is inserted and is located the ring gear, the second elastic component sets up between one side and the wheel carrier that the ring gear was kept away from to the brake lever, slider and brake lever are connected respectively to first stay cord, the elasticity of first elastic component is not less than the elasticity of second elastic component.

2. The stroller brake apparatus according to claim 1, wherein the bottom of the wheel seat has a column section, the mounting plate is rotatably sleeved on the column section, the driving structure includes a pulling member, a first guiding inclined surface and a second guiding inclined surface, the pulling member is connected to the mounting plate, the first guiding inclined surface is disposed on the wheel seat, and the second guiding inclined surface is disposed on the mounting plate and can be in contact with and engage with the first guiding inclined surface.

3. The stroller brake apparatus of claim 2, wherein said first and second lead ramps are provided in plurality and are disposed about said post segment.

4. The stroller brake apparatus according to claim 3, wherein the mounting plate has a plurality of grooves corresponding to the number of the second guiding slopes and disposed around the pillar, the wheel seat has a plurality of protrusions corresponding to the number of the first guiding slopes, the protrusions are correspondingly inserted into the grooves, and the second guiding slopes are disposed in the grooves.

5. The stroller brake apparatus according to claim 2, wherein the mounting plate has a first mounting portion on an outer side thereof, the wheel base has a second mounting portion thereon, and a third elastic member is disposed between the first mounting portion and the second mounting portion.

6. The stroller brake apparatus of claim 5, wherein the pull member is configured as a second pull cord, the second pull cord is connected to the first mounting portion and extends through the third elastic member and the second mounting portion.

7. The stroller braking apparatus according to any one of claims 2 to 6, wherein the driving structure further comprises a connecting rod and a pedal member, the connecting rod is fixedly disposed on the wheel seat, the pedal member is rotatably sleeved on the connecting rod, the connecting rod has a guiding groove, a guiding rod connected to the pulling member is slidably disposed in the guiding groove, the pedal member has a guiding surface and a thrust surface connected to each other, the guiding surface is disposed obliquely to the guiding groove, the thrust surface is disposed perpendicular to the guiding groove, and the guiding rod extends out of the guiding groove and can be in contact fit with the guiding surface.

8. The stroller brake apparatus according to any one of claims 2 to 6, wherein the wheel frame comprises:

the support is provided with a shaft section which is coaxial with the mounting disc, and the shaft section is rotatably inserted in the wheel seat;

one side of the mounting rack is rotatably connected with the support, and the other side of the mounting rack is rotatably connected with the roller;

and the fourth elastic piece is arranged between the support and the mounting frame.

9. A stroller, comprising a stroller brake assembly according to any one of claims 1 to 8.