CN209972641U

CN209972641U - Bicycle seat capable of freely switching between single person and double persons

Info

Publication number: CN209972641U
Application number: CN201920309994.3U
Authority: CN
Inventors: 王增; 陈志海; 万滢玲; 李瑞阳
Original assignee: Nanchang University
Current assignee: Nanchang University
Priority date: 2019-03-12
Filing date: 2019-03-12
Publication date: 2020-01-21
Anticipated expiration: 2029-03-12

Abstract

The utility model relates to a bicycle seat capable of being freely switched by single or double persons, which comprises a main seat and a child seat, wherein the main seat is used for normal riding, a main support shaft is arranged below the main seat, an accommodating platform is arranged below the main seat, and the main seat is hinged with the accommodating platform through a rotating pin; a certain accommodating cavity for accommodating the child seat is arranged between the accommodating platform and the main seat, an auxiliary supporting shaft is arranged below the seat surface of the child seat, the upper end of the auxiliary supporting shaft is hinged to the seat surface of the child seat, and the lower end of the auxiliary supporting shaft is connected into a main shaft sliding groove at the lower part of the main supporting shaft; the upper end and the lower end of the movable support rod are respectively hinged with the main support shaft and the auxiliary support shaft through rotating shafts; the surface of the auxiliary supporting shaft is of a groove shape, when the child seat is positioned in the accommodating cavity, the groove of the folded auxiliary supporting shaft is coated outside the main supporting shaft, and the movable supporting rod is hidden; when the child seat is pulled out, the movable support rod is supported between the main support shaft and the auxiliary support shaft. The utility model discloses be fit for taking the crowd of child's trip, ride single and carry the people to switch in a flexible way between the trip.

Description

Bicycle seat capable of freely switching between single person and double persons

Technical Field

The utility model belongs to the technical field of the bicycle annex, concretely relates to bicycle seat that can single two people freely switch over.

Background

China is a big bicycle country, and due to rapid development of the automobile industry, great problems are caused in energy consumption and environmental pollution while convenience is brought to traffic. With the improvement of living standard and the enhancement of health and environmental awareness of people, bicycles can not be reduced due to the development of other vehicles. The bicycle is used as a short-distance travel substitute and has the function that other vehicles cannot substitute. The bicycle is an important vehicle for people to go on daily, and many parents take children to school and the like by using the bicycle, so that various bicycle seats are designed for people and are divided into a rear bicycle manned seat and a front bicycle manned seat. The rear-mounted bicycle manned seat is mainly designed in a flat plate type, can carry people and also can carry objects, is convenient and has wide application, and is a common manned seat. However, when a child sits on the backseat of the bicycle, the two legs are in a suspension shape without fixed handrails, the fear of the child sitting on the bicycle is increased, the two feet are easily wound in the wheels, accidents are easy to happen, and the two legs are in the suspension shape for a long time, so that the joints are loosened, and the healthy growth of the child in the growth and development period is not facilitated. Most of the front-mounted bicycle manned seats are directly fixed on the bicycle frame, so that children, old people and disabled people can conveniently go out, and the front-mounted bicycle manned seats are also suitable for leisure trips. However, the front-mounted seat for people riding on a bicycle is used frequently, is fixed between the seat and a handlebar, obstructs riding of a rider to a certain extent and causes lack of integrity and unattractive appearance of the bicycle. At present, a similar single-double person freely-switchable bicycle seat patent does not exist, and the utility model about the bicycle seat is based on the comfort and convenience of the bicycle seat, for example, the multipurpose bicycle seat with the patent number of CN201420158753.0 is characterized in that the patent improves the weight and the volume of the article capable of being carried by the bicycle seat through structural innovation while ensuring the riding comfort. An adjustable infant bicycle front seat of patent No. CN2015206875401, which provides a bicycle seat suitable for being mounted to a bicycle slash having any inclination, enhances the convenience of mounting the front-mounted bicycle seat.

An object of the utility model is to provide a can be singly, the double bicycle seat of freely switching usefulness is applicable to an adult exclusive use and an adult carries on a children and uses two kinds of service conditions. When children need to be carried, the second seat can be detached from the lower portion of the original seat and is fixed between the original seat and a bicycle handle so that the children can sit. If the bicycle seat which is disassembled can be installed under the original seat again when a single person rides the bicycle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a bicycle seat that can single two people freely switch over.

The utility model discloses a following scheme realizes:

a bicycle seat capable of being freely switched by single or double persons comprises a main seat for normal riding, a main support shaft and a child seat, wherein a storage table is arranged below the main seat, the main seat is hinged with the storage table through a rotating pin arranged on the rear side of the main seat, and the main seat is opened or closed through rotating around the rotating pin;

a certain accommodating cavity is formed between the accommodating platform and the main seat, the seat surface of the child seat is arranged in the accommodating cavity, an auxiliary supporting shaft is arranged below the seat surface of the child seat, the upper end of the auxiliary supporting shaft is hinged below the front end of the seat surface of the child seat through a hinge, and the lower end of the auxiliary supporting shaft is connected into a main shaft sliding groove at the lower part of the main supporting shaft through a U-shaped fork rod and a connecting shaft; a movable support rod is arranged between the auxiliary support shaft and the main support shaft, and the upper end and the lower end of the movable support rod are respectively hinged with the main support shaft and the auxiliary support shaft through a rotating shaft;

the surface of the auxiliary supporting shaft is of a groove shape, when the child seat is positioned in the accommodating cavity, the groove of the folded auxiliary supporting shaft is coated outside the main supporting shaft, and the movable supporting rod is hidden; when the seat surface of the child seat is pulled out to be positioned between the main seat and the bicycle handle, the movable support rod is supported between the main support shaft and the auxiliary support shaft to form a triangular support structure.

The storage table is provided with a frame matched with the outline of the child seat, a buckle is arranged below the main seat, a clamping groove matched with the buckle in position is formed in the frame, and the main seat and the frame of the storage table are locked through the buckle and the clamping groove.

The below of containing table is equipped with support frame and bracing piece, the support frame is for welding in the triangle-shaped bearing structure in the main tributary brace axle upper end outside, the bracing piece is the pole setting, connect through the bracing piece between support frame and the containing table.

The angle adjusting piece is arranged in the main shaft sliding groove and is of a vertical rod-shaped structure, downward adjusting teeth are distributed on one side, away from a bicycle handle, of the angle adjusting piece from top to bottom, the U-shaped fork rod supports a connecting shaft of the U-shaped fork rod below different adjusting teeth so as to adjust the angle of the auxiliary supporting shaft, and the U-shaped fork rod is fixed through a fastening piece after being adjusted.

The child seat is characterized in that an auxiliary supporting rod is arranged below the seat of the child seat, a seat adjusting groove is formed in the auxiliary supporting shaft, the upper end of the auxiliary supporting rod is hinged to the lower portion of the seat, the lower end of the auxiliary supporting rod slides in the seat adjusting groove, and the lower end of the auxiliary supporting rod is fastened with the seat adjusting groove through a fastening piece.

The utility model has the advantages that:

1. the bicycle seat capable of being freely switched by a single person and two persons is suitable for people who need to take children out frequently, and can be flexibly switched between single riding and manned outgoing.

2. The two seats are integrated, so that people can carry other auxiliary articles without additionally carrying the auxiliary articles, and only the second seat capable of being used is separated from the original seat.

3. The lever principle which is the simplest is adopted, the structure is simple, the maintenance is convenient, and the high-quality life concept is carried out from the details, so that the daily life of people is more comfortable and safer.

Drawings

FIG. 1 is a schematic view of the overall structure of the bicycle seat that can be freely switched between single and double persons according to the present invention;

FIG. 2 is a schematic view of a connection structure between a secondary support bar and a seat surface adjustment groove under the child seat shown in FIG. 1; FIG. 3 is a perspective view of the utility model of the bicycle with the seat capable of being freely switched by one or two persons after being unfolded;

fig. 4 is a schematic view of the child seat built in the storage table.

The meaning of the respective reference numerals in the figures:

the child seat comprises a main seat 1, a main supporting shaft 101, a storage table 102, a rotating pin 103, an accommodating cavity 104, a main shaft sliding groove 105, a frame 106, a buckle 107, a clamping groove 108, a supporting frame 109, a supporting rod 110, an angle adjusting piece 111, the child seat 2, an auxiliary supporting shaft 201, a U-shaped fork rod 202, a movable supporting rod 203, an auxiliary supporting rod 204, a seat surface adjusting groove 205, a fastening piece 206 and a connecting shaft 207.

Detailed Description

The invention will be further described with reference to the following specific embodiments:

a bicycle seat capable of being freely switched by single or double persons comprises a main seat 1 for normal riding, a main supporting shaft 101 and a child seat 2, wherein a containing table 102 is arranged below the main seat 1, the main seat 1 is hinged with the containing table 102 through a rotating pin 103 arranged at the rear side of the main seat 1, and the main seat is opened or closed through rotating around the rotating pin 103;

a certain accommodating cavity 104 is formed between the accommodating platform 102 and the main seat 1, the seat surface of the child seat 2 is arranged in the accommodating cavity 104, an auxiliary supporting shaft 201 is arranged below the seat surface of the child seat 2, the upper end of the auxiliary supporting shaft 201 is hinged below the front end of the seat surface of the child seat through a hinge, and the lower end of the auxiliary supporting shaft 201 is connected into a main shaft sliding groove 105 at the lower part of the main supporting shaft 101 through a U-shaped fork rod 202 and a connecting shaft 207; a movable support rod 203 is further arranged between the auxiliary support shaft 201 and the main support shaft 101, and the upper end and the lower end of the movable support rod 203 are respectively hinged with the main support shaft 101 and the auxiliary support shaft 201 through rotating shafts;

the surface of the auxiliary supporting shaft 201 is a groove shape, when the child seat 2 is positioned in the accommodating cavity 104, the groove of the folded auxiliary supporting shaft 201 is coated outside the main supporting shaft 101, and the movable supporting rod 203 is hidden; when the seat surface of the child seat 2 is pulled out to be positioned between the main seat 1 and the bicycle handle, the movable support rod 203 is supported between the main support shaft and the auxiliary support shaft to form a triangular support structure.

The containing platform 102 is provided with a frame 106 matched with the outer contour of the child seat 2, a buckle 107 is arranged below the main seat 1, a clamping groove 108 matched with the buckle 107 in position is arranged on the frame 106, and the main seat 1 and the frame 106 of the containing platform 102 are locked through the buckle and the clamping groove.

The supporting frame 109 and the supporting rod 110 are arranged below the containing table 102, the supporting frame 109 is a triangular supporting structure welded on the outer side of the upper end of the main supporting shaft 101, the supporting rod 110 is a vertical rod, and the supporting frame 109 is connected with the containing table 102 through the supporting rod 110.

The angle adjusting piece 111 is arranged in the main shaft sliding groove 105, the angle adjusting piece 111 is of a vertical rod-shaped structure, downward adjusting teeth are distributed on one side, away from a bicycle handle, of the angle adjusting piece from top to bottom, the U-shaped fork rod 202 supports the connecting shaft 207 of the U-shaped fork rod below different adjusting teeth so as to adjust the angle of the auxiliary supporting shaft 201, and the U-shaped fork rod is fixed through a fastening piece after being adjusted.

An auxiliary support rod 204 is arranged below the seat of the child seat 2, a seat adjusting groove 205 is arranged on the auxiliary support shaft 201, the upper end of the auxiliary support rod 204 is hinged with the lower portion of the seat, the lower end of the auxiliary support rod 204 slides in the seat adjusting groove 205, and the lower end of the auxiliary support rod is fastened with the seat adjusting groove 205 through a fastener 206.

When a user needs to use the small seat, the user needs to slightly break through the biting force of the buckle 107 and the clamping groove 108, the main seat 1 is opened around the rotating pin 103 on the rear side of the main seat, and the child seat 2 is pulled upwards from the accommodating table 102 in an inclined mode to enable the auxiliary supporting shaft 201 to be unfolded forwards; through the support of activity bracing piece 203, the U type fork arm 202 fastens through connecting axle 207 and the fastener of this department after finding suitable support position in the angle adjustment piece 111 of its lower extreme, then fastens through fastener 206 through adjusting the position of vice bracing piece 204 in seat adjustment groove 205, and the children's seat just is located between main seat and the bicycle handle after adjusting, covers main seat, can carry children and use children's seat. If the user needs to fold the child seat, the user needs to slightly break through the biting force of the buckle 107 and the clamping groove 108, open the main seat 1 around the rotating pin 103 at the rear side thereof, unscrew the fastener 206, unscrew the connecting shaft 207 and the fastener thereof at the U-shaped fork rod 202, push the auxiliary supporting shaft 201 against the main supporting shaft 101, adjust the position of the child seat at the same time, correctly place the child seat in the storage table, and finally close the main seat.

Although the invention has been shown and described in detail with respect to the preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. Bicycle seat that can be freely switched by one or two persons, includes main seat (1) that is used for normal riding, the below of main seat (1) is main supporting axle (101), still includes children's seat (2), its characterized in that: a containing table (102) is arranged below the main seat (1), the main seat (1) is hinged with the containing table (102) through a rotating pin (103) arranged at the rear side of the main seat (1), and the main seat is opened or closed through rotating around the rotating pin (103);

a certain accommodating cavity (104) is formed between the accommodating platform (102) and the main seat (1), the seat surface of the child seat (2) is arranged in the accommodating cavity (104), an auxiliary supporting shaft (201) is arranged below the seat surface of the child seat (2), the upper end of the auxiliary supporting shaft (201) is hinged below the front end of the seat surface of the child seat through a hinge, and the lower end of the auxiliary supporting shaft is connected into a main shaft sliding groove (105) at the lower part of the main supporting shaft (101) through a U-shaped fork rod (202) and a connecting shaft (207); a movable support rod (203) is further arranged between the auxiliary support shaft (201) and the main support shaft (101), and the upper end and the lower end of the movable support rod (203) are hinged with the main support shaft (101) and the auxiliary support shaft (201) through rotating shafts respectively;

the surface of the auxiliary supporting shaft (201) is groove-shaped, when the child seat (2) is positioned in the accommodating cavity (104), the groove of the folded auxiliary supporting shaft (201) is coated outside the main supporting shaft (101), and the movable supporting rod (203) is hidden; when the seat surface of the child seat (2) is pulled out to be positioned between the main seat (1) and the bicycle handle, the movable support rod (203) is supported between the main support shaft and the auxiliary support shaft to form a triangular support structure.

2. The bicycle seat that can be freely switched by one or two persons according to claim 1, wherein: accomodate platform (102) have with children's seat (2) outline assorted frame (106), the below of main seat (1) is equipped with buckle (107), be equipped with on frame (106) with buckle (107) position assorted draw-in groove (108), main seat (1) and frame (106) of accomodating platform (102) are through buckle and draw-in groove locking.

3. The bicycle seat that can be freely switched by one or two persons according to claim 1, wherein: the supporting frame is characterized in that a supporting frame (109) and a supporting rod (110) are arranged below the containing table (102), the supporting frame (109) is a triangular supporting structure welded on the outer side of the upper end of the main supporting shaft (101), the supporting rod (110) is a vertical rod, and the supporting frame (109) and the containing table (102) are connected through the supporting rod (110).

4. The bicycle seat that can be freely switched by one or two persons according to claim 1, wherein: the angle adjusting piece (111) is arranged in the main shaft sliding groove (105), the angle adjusting piece (111) is of a vertical rod-shaped structure, downward adjusting teeth are distributed on one side, away from a bicycle handle, of the angle adjusting piece from top to bottom, the U-shaped fork rod (202) is supported below different adjusting teeth through the connecting shaft (207) of the U-shaped fork rod, so that the angle of the auxiliary supporting shaft (201) is adjusted, and the U-shaped fork rod is fixed through a fastening piece after being adjusted.

5. The bicycle seat that can be freely switched by one or two persons according to claim 1, wherein: the child seat is characterized in that an auxiliary supporting rod (204) is arranged below the seat surface of the child seat (2), a seat surface adjusting groove (205) is formed in the auxiliary supporting shaft (201), the upper end of the auxiliary supporting rod (204) is hinged to the lower portion of the seat surface, the lower end of the auxiliary supporting rod slides in the seat surface adjusting groove (205), and the lower end of the auxiliary supporting rod and the seat surface adjusting groove (205) are fastened through a fastening piece.