CN214397033U

CN214397033U - Rear child seat of bicycle

Info

Publication number: CN214397033U
Application number: CN202022866710.6U
Authority: CN
Inventors: 张芳; 林小娟
Original assignee: Foshan Polytechnic
Current assignee: Foshan Polytechnic
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-10-15
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a rear children's seat of bicycle, include: a connecting rod is arranged on one side of the seat frame, and a first hoop is arranged at the front end of the connecting rod; support member, two support member set up respectively in the left and right sides of seat frame, and support member includes: the top end of the supporting rod is connected to the bottom of the seat frame, and the bottom end of the supporting rod is provided with a second hoop; the top end of the diagonal brace is connected with the support rod; the top of the pulley seat is provided with a blind hole, and the bottom end of the inclined stay bar is arranged in the blind hole in a vertically sliding manner; the pulley is rotatably arranged at the bottom of the pulley seat; and two ends of the elastic piece are elastically propped against the bottom end of the inclined stay bar between the bottom walls of the blind holes. The utility model discloses a rearmounted children's seat of bicycle, two supporting members make the rear wheel both sides of bicycle form two strong points to avoid the bicycle to topple to left side or right side, help improving the security performance of bicycle. The utility model discloses can be applied to in bicycle saddle or other seats.

Description

Rear child seat of bicycle

Technical Field

The utility model relates to a bicycle saddle or other seat fields, in particular to rear children's seat of bicycle.

Background

The bicycle is a two-wheeled small land vehicle, and people ride the bicycle and use the pedal as power, thus being a green and environment-friendly vehicle. After the safety seat is installed on the bicycle, the bicycle may be generally loaded with a child under the age of twelve. However, the fixed safety seat increases the weight of the bicycle, and the child sits on the fixed safety seat, which causes the center of gravity of the bicycle to move upward, and the bicycle is prone to overturn accidents.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rear children's seat of bicycle to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.

The technical scheme adopted for solving the technical problems is as follows:

a bicycle rear child seat comprising:

the chair comprises a seat frame, a first supporting frame and a second supporting frame, wherein one side of the seat frame is provided with a connecting rod, the position of the connecting rod relative to the seat frame is taken as the front direction, and the front end of the connecting rod is provided with a first hoop;

the support member, the support member has two at least, two the support member sets up respectively in the left and right sides of seat frame, the support member includes:

the top end of the supporting rod is connected to the bottom of the seat frame, and a second hoop is arranged at the bottom end of the supporting rod;

the top end of the diagonal brace is connected to the support rod, and the bottom end of the diagonal brace extends downwards to the position below the second hoop;

the top of the pulley seat is provided with a blind hole, and the bottom end of the inclined stay bar is arranged in the blind hole in a vertically sliding manner;

the pulley is rotatably arranged at the bottom of the pulley seat;

and the elastic piece is arranged in the blind hole, and two ends of the elastic piece are elastically propped against the bottom end of the inclined stay bar between the bottom walls of the blind hole.

The utility model has the advantages that: the connecting rod of seat frame front side passes through seat pipe releasable connection under first staple bolt and the bicycle saddle, the bracing piece of seat frame bottom passes through the back fork releasable connection of second staple bolt and the frame of bicycle, thereby make the seat frame be fixed in the rear wheel top of bicycle, supporting member sets up respectively in the both sides of seat frame, the bottom downwardly extending of the diagonal brace of supporting member, the bottom of diagonal brace is located through the blind hole cover to the pulley holder, the pulley and the ground roll contact of pulley holder bottom, two supporting member make the rear wheel both sides of bicycle form two strong points, thereby avoid the bicycle to topple to left side or right side, help improving the security performance of bicycle.

The bottom end of the inclined stay bar can be arranged in the blind hole of the pulley seat in a vertically sliding manner, the elastic part is arranged in the blind hole, two ends of the elastic part are elastically pressed between the bottom end of the inclined stay bar and the bottom wall of the blind hole, and when the bicycle needs to turn or the road surface is not flat during normal running, the pulley seat moves up and down along the bottom end of the inclined stay bar to form a position avoiding space, so that the pulley of the pulley seat is prevented from interfering the normal running of the bicycle; when the bottom end of the inclined strut bar downwards compresses the elastic part to be close to the bottom wall of the blind hole, the bottom end of the inclined strut bar cannot continuously move downwards due to the limited depth of the blind hole of the pulley seat, and the inclined strut bar and the pulley seat act together to support the bicycle to prevent the bicycle from overturning towards the left side or the right side.

As a further improvement of the above technical solution, the seat frame includes:

the front end of the seat cushion is connected with the connecting rod;

the protective plates are arranged at the bottom of the seat cushion and are at least two, the two protective plates are respectively arranged at the left side and the right side of the seat cushion, and the top ends of the two support rods are respectively connected to the bottoms of the two protective plates.

The seat frame includes seatpad and backplate, the front end and the connecting rod of seatpad are connected, two backplates set up respectively in the left and right sides of seatpad bottom, the backplate separates children's foot and the rear wheel of bicycle, prevent that children's foot from being scratched by pivoted rear wheel, furthermore, when the bicycle takes place to topple, the bicycle is supported by the diagonal brace, children sit on the bicycle of slope safely, the backplate is avoided children's foot to stretch into in the rear wheel, and the top of bracing piece is connected with the bottom of backplate, help reducing the length of bracing piece, save material quantity.

As a further improvement of the above technical solution, the seat frame further includes:

a backrest disposed at a rear side of a top of the seat cushion;

a handle disposed at a front side of a top of the seat cushion.

The front side and the rear side of the top of the seat cushion are respectively provided with the handle and the backrest, when a child sits on the seat cushion, the child is protected on the top of the seat cushion by the backrest and the handle, and the child is prevented from falling from the front side and the rear side of the seat cushion.

As a further improvement of the technical scheme, the seat frame further comprises guardrails, the two ends of each guardrail are respectively connected with the backrest and the handle, the number of the guardrails is at least two, and the two guardrails are respectively arranged on the left side and the right side of the seat frame.

The back is connected with the handle at the both ends of guardrail, two guardrails set up respectively in the left and right sides of seat frame, two guardrails protect children at the top of seatpad, when the bicycle takes place to topple, the bicycle has been supported to the diagonal brace, and children sit on the bicycle of slope, and two guardrails avoid children to fall from the left and right sides of seatpad.

As a further improvement of the technical scheme, the top end of the inclined stay bar is detachably connected with the support bar.

The top end of the diagonal brace is detachably connected with the supporting rod, and the diagonal brace can be detached from the supporting rod when the bicycle does not need to carry children.

As a further improvement of the above technical solution, the top end of the diagonal brace is provided with a first through hole and a second through hole, the first through hole and the second through hole are vertically distributed at intervals, the brace rod is provided with a plurality of screw holes, all the screw holes are sequentially arranged from top to bottom at intervals, the distance between every two adjacent screw holes matches with the distance between the first through hole and the second through hole, the brace member further comprises two screws, and the two screws respectively penetrate through the first through hole and the second through hole and are screwed into the two adjacent screw holes.

The top of diagonal brace is equipped with first through-hole and second through-hole, and the interval has set up a plurality of screws from the top down in proper order on the bracing piece, utilizes the screw to attach the diagonal brace lock to the bracing piece, and in addition, because the distance between per two adjacent screws and the distance phase-match between first through-hole to the second through-hole for the first through-hole and the second through-hole of diagonal brace can mate with two screws of co-altitude not, thereby adjust the height of diagonal brace, make the diagonal brace can match the bicycle of co-altitude not.

As a further improvement of the above technical solution, a slider is disposed at the bottom end of the diagonal rod, the slider is matched with the blind hole in shape, the slider is slidably disposed in the blind hole up and down, a clamping portion is disposed at the top edge of the blind hole, the clamping portion is turned over toward the axis of the blind hole, and the clamping portion prevents the slider from being disengaged from the blind hole.

The bottom of diagonal brace is equipped with the slider, and the slider sets up in the blind hole of pulley holder slidable, utilizes the joint portion at blind hole top edge to prevent that the slider breaks away from the blind hole for the pulley holder is installed in the bottom of diagonal brace firmly.

As a further improvement of the above technical solution, the elastic member is a compression spring.

The compression spring has low cost and is convenient to replace.

Drawings

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

FIG. 1 is an isometric view of an embodiment of a rear bicycle child seat provided by the present invention;

FIG. 2 is an assembled schematic view of an embodiment of the rear bicycle child seat provided by the present invention;

FIG. 3 is a rear view of a bicycle child seat provided in accordance with an embodiment of the present invention, with an axis view at another angle;

fig. 4 is a schematic view of the rear child seat of the bicycle, in which the inclined stay bar and the pulley seat are shown in axial view;

fig. 5 is a schematic cross-sectional view of a rear child seat of a bicycle according to an embodiment of the present invention, wherein the diagonal brace and the pulley seat are shown.

100. The seat comprises a seat frame, 110, a connecting rod, 111, a first hoop, 120, a seat cushion, 130, a guard plate, 140, a backrest, 150, a handle, 160, a guardrail, 200, a supporting member, 210, a supporting rod, 211, a second hoop, 212, a screw hole, 220, an inclined supporting rod, 221, a first through hole, 222, a second through hole, 223, a sliding block, 230, a pulley seat, 231, a blind hole, 232, a clamping part, 240, a pulley, 250 and an elastic part.

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, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 5, the rear child seat of the bicycle of the present invention is made as follows:

the bicycle rear child seat includes a seat frame 100, a support member 200. The front end of the seat frame 100 is provided with a connecting rod 110, and the connecting rod 110 extends forward. The front end of the connecting rod 110 is provided with a first hoop 111, and the first hoop 111 is used for hooping a seat tube below a seat cushion of the bicycle, so that the first hoop 111 can be detachably connected to the seat tube of the bicycle. The number of the supporting members 200 is at least two, the two supporting members 200 are disposed at the bottom of the seat frame 100, and the two supporting members 200 are disposed at the left and right sides of the seat frame 100, respectively. The support member 200 includes a support rod 210, a diagonal support rod 220, a pulley holder 230, a pulley 240, and an elastic member 250. The top end of the supporting rod 210 is connected to the bottom of the seat frame 100, the bottom end of the supporting rod 210 is provided with a second hoop 211, and the second hoop 211 is used for hooping the rear fork of the bicycle, so that the second hoop 211 is detachably connected to the rear fork of the bicycle. The top end of the diagonal brace 220 is connected to the support rod 210, the bottom end of the diagonal brace 220 extends downward below the second anchor ear 211, and the bottom end of the diagonal brace 220 inclines outward of the axis of the support rod 210. The top of the pulley seat 230 is provided with a blind hole 231, the shape of the blind hole 231 matches with the shape of the bottom end of the inclined strut 220, and the bottom end of the inclined strut 220 is slidably disposed in the blind hole 231 up and down. The elastic member 250 is disposed in the blind hole 231, and two ends of the elastic member 250 are elastically pressed between the bottom end of the inclined strut 220 and the bottom wall of the blind hole 231. The pulley 240 is rotatably disposed at the bottom of the pulley seat 230, a rotating shaft is disposed at the bottom of the pulley seat 230, an axis direction of the rotating shaft is a left-right direction, and the pulley 240 is rotatably sleeved on the rotating shaft.

The rear child seat of the bicycle is installed above the rear wheel of the bicycle, the connecting rod 110 at the front end of the seat frame 100 is connected to the seat tube of the bicycle through the first anchor ear 111, the supporting rod 210 of the supporting member 200 is connected to the rear fork of the bicycle through the second anchor ear 211, the number of the supporting members 200 is two, and the two supporting members 200 are respectively arranged at the left side and the right side of the seat frame 100, so that the rear wheel of the bicycle is located between the two supporting members 200. A child may sit on the seat frame 100 with the diagonal support rods 220 of the support members 200 extending downwardly above the floor. During the running process of the bicycle, the bicycle inclines to the ground due to the turning of the bicycle or the uneven bottom surface, the pulley 240 at the bottom of the pulley seat 230 can be in rolling contact with the bottom surface, when the inclined angle of the bicycle is gradually increased, the bottom end of the inclined stay 220 approaches to the bottom wall of the blind hole 231 and compresses the elastic part 250, and the support member 200 is prevented from influencing the normal running of the bicycle. When the inclination angle of the bicycle is large, that is, the bicycle is prone to overturn accidents, the elastic member 250 cannot be compressed continuously, and the inclined strut 220 stops moving downwards in the blind hole 231, so that the inclined strut 220 and the pulley seat 230 form a supporting effect on the bicycle, the bicycle is prevented from continuously overturning to one side, and the safety performance of the bicycle is improved.

The top end of the inclined strut 220 is detachably connected with the support rod 210, the top end of the inclined strut 220 is sequentially provided with a first through hole 221 and a second through hole 222 at intervals from top to bottom, the support rod 210 is provided with a plurality of screw holes 212, all the screw holes 212 are sequentially distributed at intervals from top to bottom, the distance between every two adjacent screw holes 212 is equal to the distance between the first through hole 221 and the second through hole 222, and therefore the first through hole 221 and the second through hole 222 can be matched with the two adjacent screw holes 212 from top to bottom for connection. One screw is screwed into the screw hole 212 through the first through hole 221, and the other screw is screwed into the other screw hole 212 adjacent to the first through hole 222, so that the diagonal brace 220 is detachably connected to the support rod 210, and further, the height adjustment of the diagonal brace 220 can be realized by matching the first through hole 221 and the second through hole 222 with two adjacent screw holes with different heights.

The bottom end of the inclined stay tube 220 is provided with a sliding block 223, the shape of the sliding block 223 is matched with the shape of the blind hole 231 of the pulley seat 230, and the sliding block 223 is slidably arranged in the blind hole 231 up and down. Be equipped with joint portion 232 on the top edge of blind hole 231, joint portion 232 encircles a week along the circumference of blind hole 231, and joint portion 232 extends to the axis of blind hole 231 and forms interior coil-like. The slider 223 is restricted in the blind hole 231 by the clamping part 232, so that the slider 223 slides up and down between the bottom wall of the blind hole 231 and the bottom surface of the clamping part 232. An elastic member 250 is disposed in the blind hole 231, and two ends of the elastic member 250 are elastically pressed between the bottom of the slider 223 and the bottom wall of the blind hole 231. The elastic member 250 has various types, for example, elastic rubber, compression spring, air spring and other elements which can be restored to the original state after being compressed, in this embodiment, the compression spring is selected for the elastic member 250, and the compression spring has lower cost and is convenient to replace.

In some embodiments, the top end of the diagonal brace 220 can be detachably connected to the support rod 210 in various ways, for example, the top end of the diagonal brace 220 is provided with a hoop, and the diagonal brace 220 is connected to the support rod 210 by using the hoop; alternatively, the top end of the diagonal brace 220 is detachably connected to the support rod 210 through a screw; or, a bolt through hole is formed in the support rod 210, a bolt block is arranged at the top end of the diagonal support rod 220, the bolt block penetrates through the bolt through hole, a fastening through hole is formed in a part of the bolt block penetrating out of the bolt through hole, and the diagonal support rod 220 is locked to the support rod 210 after a fastening piece penetrates through the fastening through hole.

The seat frame 100 includes a seat cushion 120, a fender 130, a backrest 140, a handle 150, and a guardrail 160. The seat cushion 120 is a horizontally disposed plate-shaped structure, and the front end of the seat cushion 120 is connected to the connecting rod 110. The guard plates 130 are disposed at the bottom of the seat cushion 120, the guard plates 130 extend downward along the edge of the seat cushion 120, at least two guard plates 130 are disposed on the left and right sides of the seat cushion 120, respectively. The top end of the support rod 210 of the support member 200 is connected to the bottom of the protector plate 130. The backrest 140 and the handle 150 are disposed on the top surface of the seat cushion 120, and the backrest 140 and the handle 150 are disposed on the rear side and the front side of the seat cushion 120, respectively. Both ends of the guard rail 160 are connected to the backrest 140 and the handle 150, and the middle of the guard rail 160 protrudes outward of the seat cushion 120 to form an arc shape. There are two guard rails 160, and the two guard rails 160 are respectively disposed at the left and right sides of the seat cushion 120.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. The utility model provides a rear children's seat of bicycle which characterized in that: the method comprises the following steps:

the seat frame (100) is provided with a connecting rod (110) on one side, the position of the connecting rod (110) relative to the seat frame (100) is taken as the front direction, and the front end of the connecting rod (110) is provided with a first hoop (111);

support members (200), the support members (200) have at least two, two support members (200) are respectively arranged on the left and right sides of the seat frame (100), and the support members (200) comprise:

the top end of the supporting rod (210) is connected to the bottom of the seat frame (100), and the bottom end of the supporting rod (210) is provided with a second hoop (211);

the top end of the diagonal brace (220) is connected to the supporting rod (210), and the bottom end of the diagonal brace (220) extends downwards to the lower part of the second hoop (211);

the top of the pulley seat (230) is provided with a blind hole (231), and the bottom end of the inclined stay bar (220) can be arranged in the blind hole (231) in a vertically sliding manner;

a pulley (240) rotatably provided at the bottom of the pulley holder (230);

the elastic piece (250) is arranged in the blind hole (231), and two ends of the elastic piece (250) are elastically pressed between the bottom end of the inclined stay bar (220) and the bottom wall of the blind hole (231).

2. The bicycle rear child seat according to claim 1, wherein: the seat frame (100) includes:

a seat cushion (120) having a front end connected to the connection rod (110);

the protective plates (130) are arranged at the bottom of the seat cushion (120), at least two protective plates (130) are arranged, the two protective plates (130) are respectively arranged at the left side and the right side of the seat cushion (120), and the top ends of the two support rods (210) are respectively connected to the bottoms of the two protective plates (130).

3. The bicycle rear child seat according to claim 2, wherein: the seat frame (100) further includes:

a backrest (140) provided at a rear side of a top of the seat cushion (120);

a handle (150) disposed on a front side of a top of the seat cushion (120).

4. The bicycle rear child seat according to claim 3, wherein: the seat frame (100) further comprises guard rails (160), two ends of each guard rail (160) are respectively connected with the backrest (140) and the handle (150), at least two guard rails (160) are arranged, and the two guard rails (160) are respectively arranged on the left side and the right side of the seat frame (100).

5. The bicycle rear child seat according to claim 1, wherein: the top end of the inclined supporting rod (220) is detachably connected with the supporting rod (210).

6. The bicycle rear child seat according to claim 5, wherein: the top end of the inclined strut (220) is provided with a first through hole (221) and a second through hole (222), the first through hole (221) and the second through hole (222) are distributed at intervals up and down, the support rod (210) is provided with a plurality of screw holes (212), all the screw holes (212) are sequentially arranged at intervals from top to bottom, the distance between every two adjacent screw holes (212) is matched with the distance between the first through hole (221) and the second through hole (222), the support member (200) further comprises two screws, and the two screws respectively penetrate through the first through hole (221) and the second through hole (222) and are screwed into the two adjacent screw holes (212).

7. The bicycle rear child seat according to claim 1, wherein: the bottom of diagonal brace rod (220) is equipped with slider (223), the shape of slider (223) with the shape cooperation of blind hole (231), slider (223) can set up with sliding from top to bottom in blind hole (231), the top edge of blind hole (231) is equipped with joint portion (232), joint portion (232) turn over to the axis of blind hole (231) is turned over, joint portion (232) prevent slider (223) from breaking away from in blind hole (231).

8. The bicycle rear child seat according to claim 1, wherein: the elastic member (250) is a compression spring.