CN214165184U

CN214165184U - Novel bicycle frame

Info

Publication number: CN214165184U
Application number: CN202023351288.7U
Authority: CN
Inventors: 刘林
Original assignee: Guangzhou Plenty Bicycle Co ltd
Current assignee: Guangzhou Plenty Bicycle Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-10
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a novel bicycle frame, which comprises a frame body and a child seat, wherein the frame body comprises a front beam and a seat tube fixedly connected with the two horizontal ends of the front beam, the front beam is of a horizontally extending square structure, the upper end surface of the front beam is provided with a sliding groove in a through manner, the lower end part of the child seat is convexly provided with two groups of rods which are inserted into the sliding groove to slide, and the lower end part of each rod passes through the sliding groove and is connected with a nut in a threaded manner; two groups of upright rods which are symmetrically distributed about the rods are fixed at the lower end part of the child seat, and the two groups of upright rods are abutted against the two groups of vertical end surfaces of the front beam. Stability between child seat and the front beam is higher in this application, and child seat is difficult for taking place the slope to one side, and then makes the inside children of child seat promote the security when riding, makes to sit at the inside children of this child seat and obtains protecting.

Description

Novel bicycle frame

Technical Field

The application relates to the field of bicycles, in particular to a novel bicycle frame.

Background

Bicycles, also known as bicycles or bicycles, are typically two-wheeled small land vehicles. When a user rides a bicycle, the user steps on the pedal as power, and the bicycle is a green and environment-friendly vehicle. The bicycle is a land vehicle driven by manpower and pedals and provided with two wheels, and is commonly called as a free bicycle, a bicycle or a bicycle; since the birth of the 18 th century, bicycles are popular with people, and the bicycles are the best choice for people to exercise and go out in an environment-friendly way.

The bicycle can be used as an environment-friendly vehicle for riding instead of walking and going out; more and more people use bicycles as fitness equipment for riding exercise and bicycle travel; the bicycle itself is also a sport event, including road bike racing, mountain bike racing, field bike racing, stunt bike racing, and the like. In the construction of a bicycle, the frame is an important component, and the front and rear wheel sets, the transmission system, the brake system and the seat are all mounted on the frame.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: for daily bicycle, for children take the bicycle for being convenient for, need install children's seat on the front-axle beam of frame more, and then make children's seat be located bicycle user's armful inside, current children's seat is direct mostly binded on the front-axle beam of frame, and children's seat easily rotates to one side on the front-axle beam of frame, and then makes the inside children of seat face latent threat, so has improved space.

SUMMERY OF THE UTILITY MODEL

In order to promote the stability between children's seat and the frame, avoid children's seat to take place to empty to one side, this application provides a novel bicycle frame.

The application provides a novel bicycle frame adopts following technical scheme:

a novel bicycle frame comprises a frame body and a child seat, wherein the frame body comprises a front beam and a seat tube fixedly connected with the two horizontal ends of the front beam, the front beam is of a horizontally extending square structure, the upper end surface of the front beam is provided with a through sliding groove, the lower end part of the child seat is convexly provided with two groups of rods inserted and sliding with the sliding groove, and the lower end parts of the rods penetrate through the sliding groove and are in threaded connection with nuts; two groups of upright rods which are symmetrically distributed about the rods are fixed at the lower end part of the child seat, and the two groups of upright rods are abutted against the two groups of vertical end surfaces of the front beam.

Through adopting above-mentioned technical scheme, this kind of novel bicycle's frame has improved the front-axle beam, make the fixed pole of tip under the child seat can with link up the spout of seting up on the front-axle beam and peg graft and slide, the further threaded connection nut of tip under each group's pole, it makes child seat fix on the front-axle beam to screw up the nut, two sets of pole settings are located the both sides of pole respectively simultaneously, each group's pole setting supports tightly with the vertical terminal surface of front-axle beam, stability between child seat and the front-axle beam has further been promoted, so when children take this kind of child seat, stability between child seat and the front-axle beam is higher, child seat is difficult for taking place the slope to one side, and then make the inside children of child seat promote at the security of riding, make the inside children of sitting in this child seat obtain protecting.

Preferably, two groups of steel sheets are inserted into the sliding groove, and the two groups of rods are positioned between the two groups of steel sheets.

Through adopting above-mentioned technical scheme, the inside two sets of steel sheets of pegging graft of spout keep apart the both sides inner wall of spout, and each group's pole slides with two sets of steel sheets are pegged graft, when the adjustment of children's seat position on the front beam is carried out to needs, promotes children's seat and constantly slides along the spout, and the setting of two sets of steel sheets has avoided children's seat and the inner wall of spout to take place the friction, has promoted the protection to this frame.

Preferably, the upper end parts of the steel sheets of each group extend to one side away from each other, and the lower end surface of the child seat is in abutting contact with the upper end surfaces of the two groups of steel sheets to slide.

Through adopting above-mentioned technical scheme, the entry that the upper end of two sets of steel sheets stretched out the spout just extends to one side, and the above-mentioned setting has enlarged the extension area of each group steel sheet upper end, makes the area of contact between child seat and the two sets of steel sheets promote, and when the completion was to child seat's installation, two sets of steel sheets supported child seat, and child seat's stability promoted.

Preferably, the lower end parts of the two groups of vertical rods are respectively fixed with a cross rod perpendicular to the vertical rods, and each group of cross rods extends towards one side far away from the front beam.

Through adopting above-mentioned technical scheme, the lower tip vertical fixation of each group's pole setting has the horizontal pole, and the horizontal pole extends to the one side of keeping away from the front-axle beam, and the children of being convenient for of the design of horizontal pole trample, make children's foot settle, have promoted the travelling comfort when taking this children's seat.

Preferably, the afterbody of children's seat with to drawing between the seat pipe and being connected with the telescoping device, the telescoping device include with the seat pipe hold tightly fixed mobile jib and children's seat's afterbody fixed connection's auxiliary rod, the auxiliary rod with the mobile jib is just and the slip of pegging graft, the mobile jib is kept away from the one end threaded connection of seat pipe with the bolt of auxiliary rod butt.

Through adopting above-mentioned technical scheme, be connected with the telescoping device between children's seat and the seat pipe, mobile jib and seat union coupling among the telescoping device, the end connection of vice pole and children's seat, bolt on the mobile jib is constantly tight with supporting of vice pole simultaneously, make the whole length of telescoping device obtain the adjustment, when children's seat slides in the spout is inside, the telescoping device carries out fixed connection between children's seat and the seat pipe under the cooperation of mobile jib and vice pole, make and realize a body coupling between children's seat and the seat pipe, children's seat's stability has been promoted.

Preferably, the lower end parts of the two groups of steel sheets are flush with the lower end surface of the front beam, and the nuts of each group are tightly abutted to the lower end surface of the front beam.

Through adopting above-mentioned technical scheme, the lower tip of two sets of steel sheets flushes with the lower terminal surface of front-axle beam, and when the nut of tip under each group post was constantly screwed up, each group nut supported tightly with the lower terminal surface of front-axle beam, and above-mentioned setting makes each group nut and front-axle beam butt, makes two sets of steel sheets receive compressing tightly of two sets of nuts in vertical direction, makes the steel sheet fix inside the spout, has indirectly promoted the stability of children's seat in two sets of steel sheets tops.

Preferably, rubber rings are fixedly sleeved on the two groups of cross rods.

Through adopting above-mentioned technical scheme, cup joint on each group's horizontal pole and be fixed with the rubber ring, the setting of rubber ring is convenient for children and places the foot, and when the foot was placed on the rubber ring, the coefficient of friction of rubber ring was great, and the difficult landing from the rubber ring of foot.

Preferably, an armrest is vertically fixed on one side of the child seat, which is far away from the auxiliary rod, and a rubber ring is fixedly sleeved on the armrest.

Through adopting above-mentioned technical scheme, the handrail is fixed in children's seat and is kept away from one side of auxiliary rod, and the setting of handrail is convenient for children and carries out the gripping, and the setting of rubber ring has been convenient for promote the travelling comfort when children grip the handrail.

In summary, the present application includes at least one of the following beneficial technical effects:

1. aiming at the problem that a child seat is easy to rotate to one side on a front beam of a frame and then a child in the seat faces potential threats, rods at the lower end part of the child seat can be inserted into sliding grooves in the front beam to slide, nuts are further connected to the lower end parts of all groups of rods in a threaded mode, the child seat is fixed on the front beam by screwing the nuts, meanwhile, two groups of vertical rods are respectively located on two sides of the rods, all groups of vertical rods are abutted against the vertical end face of the front beam, and therefore stability between the child seat and the front beam is further improved, when the child seat is taken by the child seat, the child seat is not prone to inclining to one side, safety of the child in the child seat is further improved when the child rides, and the child sitting in the child seat is protected;

2. when the position of the child seat on the front beam needs to be adjusted, the child seat is pushed to continuously slide along the sliding groove, and the two groups of steel sheets are arranged, so that the child seat is prevented from being rubbed with the inner wall of the sliding groove, and the protection of the frame is improved; the entry that the upper end of two sets of steel sheets stretched out the spout just extends to one side, and the extension area of each group of steel sheet upper end has been enlarged in the aforesaid setting, makes the area of contact between child seat and the two sets of steel sheets promote, and when the completion was to child seat's installation, two sets of steel sheets supported child seat, and child seat's stability promotes.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 2 is an exploded view of the front beam and child seat of the present application.

Description of reference numerals: 1. a frame body; 11. a front beam; 111. a chute; 12. a seat tube; 13. a steel sheet; 14. a support bar; 15. a front fork; 16. a rear fork; 2. a child seat; 21. a rod; 22. a nut; 23. erecting a rod; 231. a cross bar; 232. a rubber ring; 24. a handrail; 4. a main rod; 41. an auxiliary rod; 42. a bolt; 5. a vehicle seat.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses novel bicycle frame. Referring to fig. 1, the novel bicycle frame comprises a frame body 1 and a child seat 2, wherein the frame body 1 comprises a front beam 11 and a seat tube 12 fixedly connected with one horizontal end of the front beam 11 facing the tail of a bicycle, the front beam 11 is of a horizontally extending square solid structure, a support rod 14 which is obliquely arranged is welded and fixed below the front beam 11, a front fork 15 is rotatably connected to the intersection of the support rod 14 and the front beam 11, and a front wheel is mounted at the lower end part of the front fork 15; a rear fork 16 is mounted at the rear of the frame body 1, and a rear wheel is mounted at the lower end of the rear fork 16. The seat 5 is horizontally installed on the upper end surface of the seat tube 12, and the seat 5 is installed in the same direction as the front beam 11.

Referring to fig. 1 and 2, a chute 111 is formed through an upper end surface of the front beam 11, and a direction of the chute 111 is the same as a direction of the front beam 11. Two groups of rods 21 which are inserted into the sliding grooves 111 to slide are convexly arranged at the lower end part of the child seat 2, the two groups of rods 21 are vertically arranged and are parallel, and the lower end part of each rod 21 penetrates through the sliding groove 111 and is in threaded connection with a nut 22; the lower end of the child seat 2 is fixed with two sets of upright posts 23 symmetrically distributed about the two sets of posts 21, and the two sets of upright posts 23 are abutted against two sets of vertical end surfaces of the front beam 11.

Two groups of steel sheets 13 made of silicon steel are inserted into the sliding groove 111, and two groups of rods 21 are positioned between the two groups of steel sheets 13; the upper end portions of the respective groups of steel pieces 13 extend to the sides away from each other, and the lower end surface of the child seat 2 abuts against the upper end surfaces of the two groups of steel pieces 13 to slide. The lower ends of the two groups of upright rods 23 are respectively fixed with a cross rod 231 vertical to the upright rods 23, the two groups of cross rods 231 are arranged in a collinear manner, and each group of cross rods 231 extends towards one side far away from the front beam 11; rubber rings 232 are fixedly sleeved on the two groups of cross rods 231. The opposite-pulling between the afterbody of children's seat 2 and seat pipe 12 is connected with the telescoping device, the telescoping device include with seat pipe 12 hold tightly fixed mobile jib 4 and with children's seat 2 afterbody fixed connection's auxiliary rod 41, auxiliary rod 41 just to and peg graft with the mobile jib 4 and slide, the one end threaded connection that seat pipe 12 was kept away from to mobile jib 4 has the bolt 42 with the butt of auxiliary rod 41.

The lower end parts of the two groups of steel sheets 13 are flush with the lower end surface of the front beam 11, and the nuts 22 of each group are tightly propped against the lower end surface of the front beam 11. An armrest 24 is vertically fixed on one side of the child seat 2, which is away from the auxiliary rod 41, and a rubber ring 232 is sleeved and fixed on the armrest 24.

The implementation principle of a novel bicycle frame of this application embodiment does:

after the wheel set, the transmission system and the braking system are sequentially installed on the novel bicycle frame, the novel bicycle can be ridden. Before the child seat 2 is mounted, the respective sets of steel plates 13 are inserted into the slide groove 111 so that the lower end portions of the steel plates 13 are flush with the lower end surface of the front beam 11, and then the child seat 2 is inserted into the slide groove 111, and the respective sets of nuts 22 and the lower end portions of the rods 21 penetrating through the slide groove 111 are tightened to fix the child seat 2 to the front beam 11.

The telescoping device is installed, the main rod 4 and the seat tube 12 are tightly held and fixed, the auxiliary rod 41 and the tail part of the child seat 2 are fixedly connected, and then the auxiliary rod 41 and the main rod 4 are inserted and fixed through the bolt 42. At this time, the two sets of upright rods 23 tightly abut against the vertical end surfaces on the two sides of the front beam 11, so that the overall stability of the child seat 2 and the front beam 11 is improved. When children take this kind of child seat 2, child seat 2 is difficult for taking place the slope to one side, and then makes the inside children of child seat 2 the security when riding promote, makes the children of sitting in this child seat 2 inside protected.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a novel bicycle frame, includes frame body (1) and children's seat (2), its characterized in that: the frame body (1) comprises a front beam (11) and seat pipes (12) fixedly connected with two horizontal ends of the front beam (11), the front beam (11) is of a horizontally extending square structure, a sliding groove (111) is formed in the upper end face of the front beam (11) in a penetrating mode, two groups of rods (21) which are inserted into the sliding groove (111) in a sliding mode are arranged at the lower end portion of the child seat (2) in a protruding mode, and the lower end portions of the rods (21) penetrate through the sliding groove (111) and are connected with nuts (22) in a threaded mode; two groups of upright rods (23) which are symmetrically distributed relative to the rods (21) are fixed at the lower end part of the child seat (2), and the two groups of upright rods (23) are abutted against two groups of vertical end surfaces of the front beam (11).

2. A novel bicycle frame as claimed in claim 1, wherein: two groups of steel sheets (13) are inserted into the sliding groove (111), and the two groups of rods (21) are positioned between the two groups of steel sheets (13).

3. A novel bicycle frame as claimed in claim 2, wherein: the upper end parts of the steel sheets (13) of all the groups extend to one side far away from each other, and the lower end surface of the child seat (2) is abutted and slid with the upper end surfaces of the two groups of steel sheets (13).

4. A novel bicycle frame as claimed in claim 3, characterised in that: the lower end parts of the two groups of vertical rods (23) are respectively fixed with a cross rod (231) vertical to the vertical rods (23), and each group of cross rods (231) extends towards one side far away from the front beam (11).

5. A novel bicycle frame as claimed in claim 1, wherein: the afterbody of children's seat (2) with it is connected with the telescoping device to drawing between seat pipe (12), the telescoping device include with seat pipe (12) hold tightly fixed mobile jib (4) and children's seat's (2) afterbody fixed connection's auxiliary rod (41), auxiliary rod (41) with mobile jib (4) just and peg graft the slip, mobile jib (4) are kept away from the one end threaded connection of seat pipe (12) have with bolt (42) of auxiliary rod (41) butt.

6. A novel bicycle frame as claimed in claim 2, wherein: the lower end parts of the two groups of steel sheets (13) are flush with the lower end surface of the front beam (11), and the nuts (22) of each group are tightly propped against the lower end surface of the front beam (11).

7. The novel bicycle frame as claimed in claim 4, wherein: rubber rings (232) are fixedly sleeved on the two groups of cross rods (231).

8. The novel bicycle frame as claimed in claim 5, wherein: an armrest (24) is vertically fixed on one side, away from the auxiliary rod (41), of the child seat (2), and a rubber ring (232) is fixedly sleeved on the armrest (24).