阅读说明：本技术 隐藏式避震童车车架 (Hidden shock-proof frame for children's cycle ) 是由 陈向阳 郭淙仍 于 2019-10-23 设计创作，主要内容包括：本发明公开了隐藏式避震童车车架,包括主梁、后叉、弹性元件组,主梁与后叉铰接,主梁通过弹性元件组与后叉固定连接,弹性元件组安装在主梁内,梁包括头管、主梁管、中管、主梁基座,头管、中管、主梁基座都与主梁管焊接,头管位于主梁管的顶端,主梁基座位于主梁管的底端,中管位于头管与主梁基座之间,头管用于通过碗组连接前叉把组形成转向机构,主梁管用作车体主承载结构,中管用于连接和调节鞍座的高低。本发明可以有效缩短整车轴距,利于操控性的提升,避震效果好,让使用者感觉更舒适；弹性元件组均采用隐藏式设计,使得弹性胶柱等易耗部件免受损,大大提高了使用寿命。(The invention discloses a hidden shock-absorbing baby carrier frame, which comprises a main beam, a rear fork and an elastic element group, wherein the main beam is hinged with the rear fork, the main beam is fixedly connected with the rear fork through the elastic element group, the elastic element group is arranged in the main beam, the beam comprises a head pipe, a main beam pipe, a middle pipe and a main beam base, the head pipe, the middle pipe and the main beam base are all welded with the main beam pipe, the head pipe is positioned at the top end of the main beam pipe, the main beam base is positioned at the bottom end of the main beam pipe, the middle pipe is positioned between the head pipe and the main beam base, the head pipe is used for connecting a front fork handle group through a bowl group to form a steering mechanism, the main beam. The invention can effectively shorten the wheelbase of the whole vehicle, is beneficial to improving the controllability, has good shock-absorbing effect and makes a user feel more comfortable; the elastic element group adopts a hidden design, so that the elastic rubber column and other consumable parts are prevented from being damaged, and the service life is greatly prolonged.)

1. The hidden shock-absorbing baby carrier frame is characterized by comprising a main beam (1), a rear fork (2) and an elastic element group (3), wherein the main beam (1) is hinged with the rear fork (2), the main beam (1) is fixedly connected with the rear fork (2) through the elastic element group (3), and the elastic element group (3) is installed in the main beam (1).

2. The hidden shock-absorbing stroller frame according to claim 1, wherein the main beam (1) comprises a head tube (11), a main beam tube (12), a middle tube (13) and a main beam base (14), and the head tube (11), the middle tube (13) and the main beam base (14) are welded with the main beam tube (12).

3. The hidden shock-absorbing stroller frame according to claim 2, wherein the head tube (11) is located at the top end of the main beam tube (12), the main beam base (14) is located at the bottom end of the main beam tube (12), the middle tube (13) is located between the head tube (11) and the main beam base (14), the head tube (11) is used for connecting the front fork assembly through the bowl assembly to form a steering mechanism, the main beam tube (12) is used as a main bearing structure of the stroller body, and the middle tube (13) is used for connecting and adjusting the height of the saddle.

4. The hidden shock absorbing stroller frame according to claim 2, characterized in that the rear fork (2) comprises a rear fork pivot hole (21), a pull-down swing arm (22), a rear wheel support arm (23), a rear hook (24), a pivot (31), the rear fork pivot hole (21) is positioned between the pull-down swing arm (22) and the rear wheel support arm (23), the rear wheel support arm (23) is located between the rear fork pivot hole (21) and the rear claw (24), the main beam base (14) is provided with a main pivot hole (15), the pull-down swing arm (22) is provided with an opening (221), the main beam base (14) is placed in the opening (221), the rear fork pivot hole (21) is aligned with the main pivot hole (15), the pivot (31) passes through the rear fork pivot hole (21) and the main pivot hole (15) to enable the main beam base (14) to be hinged with the rear fork (2), and the pivot (31) is positioned in front of the elastic element group (3).

5. The hidden shock absorbing stroller frame according to claim 4, wherein the rear hook (24) is used to connect and fix the rear wheel, and the rear wheel support arm (23) is used to carry the rear body and the suspension load swing.

6. The hidden shock-absorbing stroller frame according to claim 4, further comprising a base bottom fixing plate (17), wherein the main beam base (14) is further provided with an elastic element cavity (16), the elastic element group (3) is installed in the elastic element cavity (16), the base bottom fixing plate (17) is in threaded connection with the main beam base (14), the base bottom fixing plate (17) is located at the bottom of the elastic element cavity (16), and the base bottom fixing plate (17) is used for closing the elastic element cavity (16).

7. The hidden shock-absorbing stroller frame according to claim 6, wherein the rear fork (2) further comprises an adjusting fixing nut (34), the elastic element group (3) comprises a single-side flange pull rod (32) and an elastic rubber column (33), the base bottom fixing plate (17) is provided with a first through hole (171), the pull-down swing arm (22) is provided with a second through hole (221), the elastic rubber column (33) is sleeved outside the single-side flange pull rod (32), the single-side flange pull rod (32) sequentially passes through the first through hole (171) and the second through hole (221) and then is in threaded connection with the adjusting fixing nut (34), and the elastic element group (3) is used for shock absorption.

8. The hidden shock absorbing stroller frame according to claim 7, wherein the elastic rubber column (33) is a hollow polyurethane rubber column.

Technical Field

The invention relates to a hidden shock-absorbing frame of a baby carrier.

Background

The baby carrier is a toy for children, including a baby bicycle, a baby carriage and a baby walker. At present, most baby carrier manufacturers adopt metal materials, and the baby carrier is heavy in body and low in forming efficiency through casting, welding, polishing, paint spraying and other processes, so that the existing baby carrier frame is poor in buffering effect in the riding process, and is poor in comfort degree of children in the riding process.

Disclosure of Invention

The invention aims to overcome the defects of the existing products and provide a hidden shock-absorbing baby carrier frame.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the hidden shock-absorbing baby carriage frame comprises a main beam, a rear fork and an elastic element group, wherein the main beam is hinged with the rear fork, the main beam is fixedly connected with the rear fork through the elastic element group, and the elastic element group is installed in the main beam.

Preferably, the main beam comprises a head pipe, a main beam pipe, a middle pipe and a main beam base, and the head pipe, the middle pipe and the main beam base are welded with the main beam pipe.

Preferably, the head pipe is positioned at the top end of the main beam pipe, the main beam base is positioned at the bottom end of the main beam pipe, the middle pipe is positioned between the head pipe and the main beam base, the head pipe is used for connecting the front fork handle group through the bowl group to form a steering mechanism, the main beam pipe is used as a main bearing structure of the vehicle body, and the middle pipe is used for connecting and adjusting the height of the saddle.

Preferably, the rear fork includes a rear fork pivot hole, a pull-down swing arm, a rear wheel support arm, a rear hook, and a pivot shaft, the rear fork pivot hole is located between the pull-down swing arm and the rear wheel support arm, the rear wheel support arm is located between the rear fork pivot hole and the rear hook, the main beam base is provided with a main pivot hole, the pull-down swing arm is provided with an opening, the main beam base is placed in the opening, the rear fork pivot hole is aligned with the main pivot hole, the pivot shaft passes through the rear fork pivot hole and the main pivot hole to enable the main beam base to be hinged with the rear fork, and the pivot shaft is located in front of the elastic element set.

Preferably, the rear wheel support arm is used for carrying the rear vehicle body and the suspended load swing.

Preferably, the hidden shock-absorbing baby carriage frame further comprises a base bottom fixing plate, the main beam base is further provided with an elastic element cavity, the elastic element group is installed in the elastic element cavity, the base bottom fixing plate is in threaded connection with the main beam base, the base bottom fixing plate is located at the bottom of the elastic element cavity, and the base bottom fixing plate is used for sealing the elastic element cavity.

Preferably, the rear fork further comprises an adjusting fixing nut, the elastic element group comprises a single-side flange pull rod and an elastic rubber column, a first through hole is formed in a base bottom fixing plate, a second through hole is formed in the pull-down swing arm, the elastic rubber column is sleeved on the outer side of the single-side flange pull rod, the single-side flange pull rod sequentially penetrates through the first through hole and the second through hole and then is in threaded connection with the adjusting fixing nut, and the elastic element group is used for shock absorption.

Preferably, the elastic glue column is a hollow polyurethane glue column.

The invention has the following beneficial effects: the invention shortens the wheel base, the penetrating type swing arm forms two mutually independent force arms with the rear fork pivot hole as a central point, the length space of the rear fork is not occupied, the distance is stolen to be changed into space, the wheel base of the whole vehicle can be effectively shortened, and the improvement of the controllability is facilitated; because the elastic element group is arranged in front of the pivot and the distance between the rear fork and the pivot is formed, the pressure borne by the elastic element group is smaller in the stress process in the using process, the compression and resilience are finer in the suspension working process, and meanwhile, the more stable rear suspension posture is presented in the actual using process, so that the shock absorbing effect is good, and a user feels more comfortable; the elastic element group adopts a hidden design, so that the elastic rubber column and other consumable parts are prevented from being damaged, and the service life is greatly prolonged.

Drawings

FIG. 1 is an exploded schematic view of the present invention;

FIG. 2 is a schematic perspective view of a state of the present invention;

FIG. 3 is a schematic perspective view of another embodiment of the present invention;

fig. 4 is a perspective view showing the construction of the present invention in use.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings of the specification:

as shown in fig. 1 to 3, the hidden shock-absorbing stroller frame comprises a main beam 1, a rear fork 2 and an elastic element group 3, wherein the main beam 1 is hinged to the rear fork 2, the main beam 1 is fixedly connected with the rear fork 2 through the elastic element group 3, and the elastic element group 3 is installed in the main beam 1.

As shown in fig. 1 to 3, the main beam 1 includes a head pipe 11, a main beam pipe 12, a middle pipe 13, and a main beam base 14, the head pipe 11, the middle pipe 13, and the main beam base 14 are all welded to the main beam pipe 12, the head pipe 11 is located at the top end of the main beam pipe 12, the main beam base 14 is located at the bottom end of the main beam pipe 12, the middle pipe 13 is located between the head pipe 11 and the main beam base 14, the head pipe 11 is used for connecting a front fork group through a bowl group to form a steering mechanism, the main beam pipe 12 is used as a main bearing structure of a vehicle body, and the middle pipe 13 is used for connecting and adjusting the height of.

As shown in fig. 1 to 3, the rear fork 2 further comprises an adjusting fixing nut 34, the elastic element group 3 comprises a single-side flange pull rod 32 and an elastic rubber column 33, a base bottom fixing plate 17 is provided with a first through hole 171, a pull-down swing arm 22 is provided with a second through hole 221, the elastic rubber column 33 is sleeved outside the single-side flange pull rod 32, the single-side flange pull rod 32 sequentially penetrates through the first through hole 171 and the second through hole 221 and then is in threaded connection with the adjusting fixing nut 34, and the elastic rubber column 33 is a hollow polyurethane rubber column. The hidden shock-absorbing baby carriage frame also comprises a base bottom fixing plate 17, the main beam base 14 is also provided with an elastic element cavity 16, the elastic element group 3 is arranged in the elastic element cavity 16, the elastic element group 3 is used for shock absorption, and the purpose is to hide the shock-absorbing elastic element group 3. A base bottom fixing plate 17 is in threaded connection with the main beam base 14, the base bottom fixing plate 17 is positioned at the bottom of the elastic element cavity 16, the base bottom fixing plate 17 is used for closing the elastic element cavity 16, the rear fork 2 comprises a rear fork pivot hole 21, a pull-down swing arm 22, a rear wheel support arm 23, a rear claw 24 and a pivot 31, the rear fork pivot hole 21 is positioned between the pull-down swing arm 22 and the rear wheel support arm 23, the rear wheel support arm 23 is positioned between the rear fork pivot hole 21 and the rear claw 24, the main beam base 14 is provided with a main pivot hole 15, the pull-down swing arm 22 is provided with an opening 221, the main beam base 14 is placed in the opening 221, the pivot 31 is positioned in front of the elastic element group 3, the rear fork pivot hole 21 is aligned with the main pivot hole 15, the pivot 31 passes through the rear fork pivot hole 21 and the main pivot hole 15 to enable the main beam base 14 to be hinged with the rear fork 2, the main beam and the rear fork are hinged through the pivot, the pull-down swing arm 22 forms a resistance arm angle with the main beam base 14 for placing the elastic element set. The rear fork pivot hole 21 is the pivot point, and the rear wheel support arm 23 and the middle tube 13 form a power arm included angle for applying force to the elastic element set. In the action area of the resistance included angle, the pull-down swing arm 22 rotates by taking a pivot 31 as a rotating shaft, the head end of the pull-down swing arm 22 is associated with and drives the single-side flange pull rod 32, a squeezing surface is formed between the single-side flange pull rod 32 and the base bottom fixing plate 17, and the mechanical shape of the elastic rubber column 33 is utilized to support and bear the impact force between the road surface and a rider during suspension, and provide elastic potential energy and elastic deformation required by compression and return.

As shown in fig. 1 to 3, the rear hook 24 is used for attaching and fixing the rear wheel, and the rear wheel support arm 23 is used for carrying the rear vehicle body and the load-bearing swing of the suspension.

As shown in fig. 4, fig. 4 is a perspective view of the present invention, a head pipe 11 is used to connect a front fork set through a bowl set to form a steering mechanism, a main beam pipe 12 is used as a main bearing structure of a vehicle body, a middle pipe 13 is used to connect and adjust the height of a saddle, a rear claw 24 is used to connect and fix a rear wheel, a rear wheel support arm 23 is used to bear the rear vehicle body and the suspended bearing swing, an elastic element set 3 is installed in an elastic element cavity 16, and the elastic element set 3 is used for shock absorption and aims at hiding the shock absorption elastic element set 3.

The invention shortens the wheel base, the penetrating type swing arm forms two mutually independent force arms with the rear fork pivot hole as a central point, the length space of the rear fork is not occupied, the distance is stolen to be changed into space, the wheel base of the whole vehicle can be effectively shortened, and the improvement of the controllability is facilitated; because the elastic element group is arranged in front of the pivot and the distance between the rear fork and the pivot is formed, the pressure borne by the elastic element group is smaller in the stress process in the using process, the compression and resilience are finer in the suspension working process, and meanwhile, the more stable rear suspension posture is presented in the actual using process, so that the shock absorbing effect is good, and a user feels more comfortable; the elastic element group adopts a hidden design, so that the elastic rubber column and other consumable parts are prevented from being damaged, and the service life is greatly prolonged.

It should be noted that the above list is only one specific embodiment of the present invention. It is clear that the invention is not limited to the embodiments described above, but that many variations are possible, all of which can be derived or suggested directly from the disclosure of the invention by a person skilled in the art, and are considered to be within the scope of the invention.