WO2022160375A1

WO2022160375A1 - Multifunctional children tricycle

Info

Publication number: WO2022160375A1
Application number: PCT/CN2021/075677
Authority: WO
Inventors: 赵龙; 陈进文
Original assignee: 福建省贝思瑞婴童用品有限公司
Priority date: 2021-01-28
Filing date: 2021-02-06
Publication date: 2022-08-04
Also published as: DE202021101029U1; CN214823855U

Abstract

A multifunctional children tricycle, comprising a frame (1), a front wheel (2) is mounted at the front end of the frame (1), a rear wheel adjusting device (4) is mounted at the rear end of the frame (1), a seat rod (3) is disposed in the middle portion of the frame, and a seat rotating device (6) is mounted on the seat rod (3). The seat rotating device (6) comprises a seat plate (601), a mounting tube (606) is connected onto the seat plate (601), a mounting ring (605) is disposed in the mounting tube (606), a seal cover (604) is disposed and mounted in the mounting tube (606), a plurality of connecting fastener members are disposed on the bottom portion of the seal cover (604), fastener grooves adapted to the fastener members are disposed on the bottom portion of a tube wall of the mounting tube (606), and a circular plate (603) is provided between the mounting ring (605) and the seal cover (604), and the circular plate (603) is fixedly connected to a bottom cover (602) by means of a bolt. During actual use, the seat plate can be rotated to an ideal angle.

Description

A multifunctional children's tricycle

technical field

The utility model relates to the field of multifunctional children's tricycles, in particular to a multifunctional children's tricycle.

Background technique

A children's tricycle in the prior art includes a front fork, a front wheel arranged on the lower part of the front fork, a handlebar arranged on the front fork and capable of controlling the steering of the front wheel, a rear frame, and a set of The saddle on the rear frame and the rear wheels respectively arranged on the two sides of the rear frame, during use, the position of the saddle relative to the rear frame is relatively fixed , when used by children, the function is relatively simple.

Utility model content

(1) Technical problems to be solved

In order to solve the above problems of the prior art, the present invention provides a multifunctional children's tricycle with rich functions.

(2) Technical solutions

In order to achieve the above-mentioned purpose, the main technical scheme adopted by the present utility model includes:

A multifunctional children's tricycle includes a frame, the front end of the frame is installed with a front wheel, the rear end of the frame is installed with a rear wheel adjusting device, the middle of the frame is provided with a seat post, the seat A seat rotation device is installed on the rod, the seat rotation device includes a seat plate, a mounting pipe is connected to the seat plate, a mounting ring is arranged in the mounting pipe, and a cover is mounted on the mounting pipe, so The bottom of the cover is provided with a plurality of connecting fasteners, the bottom of the wall of the installation pipe is provided with a fastener groove matching the fasteners, and a circular plate is arranged between the mounting ring and the cover, so The circular plate is fixedly connected to the bottom cover by bolts, the bottom cover is installed in the installation pipe and is located at the bottom of the mounting ring, and the mounting ring is provided with a plurality of limit grooves in an annular array with the center of the mounting ring as the center. A limit rod is arranged on the bottom cover, the limit rod is inserted into the limit groove, and the bottom cover is connected to the seat post.

Preferably, sockets are provided on both sides of the seat plate, and a foldable carport frame is inserted into the sockets.

Preferably, the rear wheel adjusting device includes a saddle frame, the saddle frame is connected with the rear end of the vehicle frame, a U-shaped frame is arranged in the saddle frame, and a drive shaft is installed in the U-shaped frame The outer wall of the drive shaft assembly is hinged with a pair of swingable drive rings, the drive rings are connected to the rear wheel frame, and the rear end of the rear wheel frame is installed with a rotating seat that can rotate relative to the rear wheel frame. The rear wheel is installed on the part.

Preferably, the drive shaft assembly includes a drive tube body, a surface of the drive tube body is provided with a plurality of clamping blocks, the inner wall of the drive ring is provided with a clamping groove adapted to the clamping blocks, and the drive tube body is provided with a plurality of clamping blocks. There is a connecting pipe, the top of the connecting pipe is provided with a button, the connecting pipe is sleeved with a spring, one end of the spring is connected to the U-shaped frame, and the other end of the spring is connected to the bottom of the driving pipe body, press When the button is pressed, the driving tube body moves down and is separated from the groove on the inner wall of the driving ring. When the button is released, under the action of the spring, the clamping block on the surface of the driving tube body re-engages the groove on the inner wall of the driving ring.

Preferably, a support rod sleeve is provided in the saddle frame, and a push rod is connected in the support rod sleeve.

(3) Beneficial effects

The beneficial effect of the utility model is that: by adopting the above technical scheme, the limit rod on the bottom cover is pulled to make the limit rod escape from the limit groove, and then the seat plate is rotated, and the seat plate drives the cover to rotate, and the circular plate is connected to the bottom through bolts. The cover is connected. When the seat plate rotates, it does not affect the rotation of the bottom cover. When the seat plate rotates to a reasonable position, insert the limit rod into the corresponding limit slot to prevent the seat plate from rotating again, so as to rotate the seat plate to an ideal angle.

Description of drawings

Fig. 1 is a structural entity diagram of a multifunctional children's tricycle;

Figure 2 is a front view of a multifunctional children's tricycle;

Figure 3 is a schematic structural diagram of a seat plate;

Figure 4 is an exploded view of the seat rotating device;

5 is a perspective view of a rear wheel adjusting device;

Figure 6 is a longitudinal sectional view of the rear wheel adjusting device;

Figure 7 is an exploded view of the rear wheel adjustment device.

[Description of reference numerals]

1-frame; 2-front wheel; 3-seat post; 4-rear wheel adjustment device; 5-push rod; 6-seat rotation device; 7-carport frame; 601-seat plate; 602-bottom cover; 603 -Round plate; 604-Cover; 605-Mounting ring; 606-Mounting tube; 401-Saddle frame; 402-Rear wheel frame; 403-Rear wheel; frame; 407-drive tube; 408-spring; 409-drive ring; 4010-strut sleeve.

Detailed ways

In order to better explain the present utility model and facilitate understanding, the present utility model will be described in detail below with reference to the accompanying drawings and through specific embodiments.

Please refer to FIGS. 1 to 3 , the first embodiment of the present utility model: a multifunctional children's tricycle, comprising a frame 1 , a front wheel 2 is installed at the front end of the frame 1 , and a rear wheel adjustment is installed at the rear end of the frame 1 Device 4, a seat post 3 is arranged in the middle of the frame 1, and a seat rotation device 6 is installed on the seat post 3. The seat rotation device 6 includes a seat plate 601, and a mounting pipe is connected to the seat plate 601, and the mounting pipe is provided with a mounting pipe. Ring 605, the installation pipe is provided with a cover 604, the bottom of the cover 604 is provided with a number of connecting fasteners, the bottom of the installation pipe wall is provided with a fastener groove that matches the fasteners, the space between the installation ring 605 and the cover 604 A circular plate 603 is provided, and the circular plate 603 is fixedly connected to the bottom cover 602 by bolts. The bottom cover 602 is installed in the mounting tube and is located at the bottom of the mounting ring 605. The mounting ring 605 is provided with a circular array with the center of the mounting ring 605 as the center. There are multiple limit slots, the bottom cover 602 is provided with limit rods, the limit rods are inserted into the limit slots, and the bottom cover 602 is connected to the seat post 3; when in use, pull the limit rods on the bottom cover 602 to disengage the limit rods Limit slot, then rotate the seat plate 601, the seat plate 601 drives the cover 604 to rotate, and the circular plate 603 is connected to the bottom cover 602 by bolts. When the seat plate 601 rotates, the rotation of the bottom cover 602 is not affected. After a reasonable position, the limit rod is inserted into the corresponding limit slot to prevent the seat plate 601 from rotating again, thereby rotating the seat plate 601 to an ideal angle.

In this embodiment, sockets are provided on both sides of the seat plate 601 , and the foldable carport frame 7 is inserted into the sockets.

4-7, the second embodiment of the present utility model: the rear wheel adjusting device 4 includes a saddle frame 401, the saddle frame 401 is connected with the rear end of the vehicle frame 1, and a U-shaped frame is arranged in the saddle frame 401 406, a drive shaft assembly is installed in the U-shaped frame 406, and a pair of swingable drive rings 409 are hinged on the outer wall of the drive shaft assembly. Rotating swivel base, the side of the swivel base is mounted with a rear wheel, the drive shaft assembly includes a drive tube 407 body, the surface of the drive tube 407 body is provided with a number of clamping blocks, and the inner wall of the drive ring 409 is provided with a clamping groove that matches the clamping blocks , the drive tube 407 is provided with a connecting tube 405, the top of the connecting tube 405 is provided with a button 404, the connecting tube 405 is sleeved with a spring 408, one end of the spring 408 is connected to the U-shaped frame 406, and the other end of the spring 408 is connected to the drive tube 407 body When the button 404 is pressed, the body of the drive tube 407 moves downward and is separated from the slot on the inner wall of the drive ring 409. When the button 404 is released, under the action of the spring 408, the block on the surface of the drive tube 407 is re-clamped to drive The groove on the inner wall of the ring 409; by pressing the button 404, the moving tube body moves down and is separated from the groove on the inner wall of the driving ring 409, which is convenient for rotating the driving ring 409 and adjusting the angle between the two rear wheel frames 402. When the two rear wheels After the angle of the frame 402 is at the desired angle, release the button 404, and under the action of the spring 408, the block on the surface of the drive tube 407 re-engages with the groove on the inner wall of the drive ring 409 to fix it again.

In this embodiment, the saddle frame 401 is provided with a support rod sleeve 4010, and the support rod sleeve 4010 is connected with a push rod 5, and the push rod 5 is used to push the vehicle body.

The working principle of the present invention is as follows: Pull the limit rod on the bottom cover 602 to make the limit rod escape from the limit groove, then rotate the seat plate 601, the seat plate 601 drives the cover 604 to rotate, the circular plate 603 is connected to the bottom through bolts The cover 602 is connected. When the seat plate 601 is rotated, the rotation of the bottom cover 602 is not affected. When the seat plate 601 is rotated to a reasonable position, the limit rod is inserted into the corresponding limit slot to prevent the seat plate 601 from rotating again. 601 is rotated to the desired angle.

The above are only the embodiments of the present invention, and are not intended to limit the scope of the patent of the present invention. All equivalent transformations made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in the relevant technical fields, all include within the scope of patent protection of the present invention.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims

A multifunctional children's tricycle includes a frame, characterized in that a front wheel is installed at the front end of the frame, a rear wheel adjusting device is installed at the rear end of the frame, and a seat post is arranged in the middle of the frame , a seat rotation device is installed on the seat post, the seat rotation device includes a seat plate, a mounting pipe is connected to the seat plate, a mounting ring is arranged in the mounting pipe, and the mounting pipe is provided with a mounting A cover, the bottom of the cover is provided with a number of connecting fasteners, the bottom of the installation pipe wall is provided with a fastener groove that matches the fasteners, and a circle is formed between the mounting ring and the cover The circular plate is fixedly connected to the bottom cover by bolts, the bottom cover is installed in the installation pipe and is located at the bottom of the installation ring, and the installation ring is provided with a plurality of limit positions in an annular array with the center of the installation ring as the center The bottom cover is provided with a limit rod, the limit rod is inserted into the limit groove, and the bottom cover is connected to the seat post.
The multifunctional children's tricycle according to claim 1, wherein sockets are provided on both sides of the seat plate, and a foldable carport frame is inserted into the sockets.
The multifunctional children's tricycle according to claim 1, wherein the rear wheel adjusting device comprises a saddle frame, the saddle frame is connected with the rear end of the frame, and the saddle frame is provided with There is a U-shaped frame, a drive shaft assembly is installed in the U-shaped frame, a pair of swingable drive rings are hinged on the outer wall of the drive shaft assembly, the drive rings are connected to the rear wheel frame, and the rear end of the rear wheel frame is installed with The rotating seat can be rotated relative to the rear wheel frame, and the rear wheel is installed on the side of the rotating seat.
The multifunctional children's tricycle according to claim 3, wherein the drive shaft assembly comprises a drive tube body, a surface of the drive tube body is provided with a plurality of clamping blocks, and the inner wall of the drive ring is provided with The card slot is adapted to the card block, the drive pipe is provided with a connecting pipe, the top of the connecting pipe is provided with a button, the connecting pipe is sleeved with a spring, and one end of the spring is connected to the U-shaped frame , the other end of the spring is connected to the bottom of the driving tube body. When the button is pressed, the driving tube body moves downward and is separated from the groove on the inner wall of the driving ring. When the button is released, under the action of the spring, the driving tube body surface is clamped. The block is re-snapped into the slot on the inner wall of the drive ring.
The multifunctional children's tricycle according to claim 1, wherein a strut sleeve is provided in the saddle frame, and a push rod is connected in the strut sleeve.