阅读说明：本技术 一种婴儿车用推杆前后换向结构 (Push rod front-back reversing structure for baby carriage ) 是由 李永林 张小辉 于 2019-12-13 设计创作，主要内容包括：本发明公开了婴儿车技术领域的一种婴儿车用推杆前后换向结构,所述坐垫杆靠近后端位置倾斜向上铰接有坐垫杆上支撑,所述后靠背杆靠近与坐垫杆上支撑连接部铰接有侧扶手杆,所述推车结构包括推杆下折叠连杆,所述推杆下折叠连杆顶部与推杆铰接,所述推杆与推杆下折叠连杆靠近连接处向前侧铰接有上伸缩杆,所述前轮支架通过支架折叠连杆组件与后轮支架连接,所述坐垫支撑杆另一端设于前轮支架一端与下伸缩杆一端之间,所述前轮支架与后轮支架底部设置有滚轮组件,本发明实现了推杆前后换向的功能,且在换向过程中,坐兜的重心始终偏向推杆一侧,便于妈妈推动婴儿车过台阶时更加省力,使用方便。(The invention discloses a push rod front-back reversing structure for a baby carriage, belonging to the technical field of baby carriages, wherein a cushion rod is obliquely and upwards hinged with a cushion rod upper support close to the rear end, a back rest rod is hinged with a side handrail rod close to a support connecting part on the cushion rod, the baby carriage structure comprises a push rod lower folding connecting rod, the top of the push rod lower folding connecting rod is hinged with the push rod, an upper telescopic rod is hinged to the front side of the connecting part of the push rod and the push rod lower folding connecting rod close to the front side, a front wheel bracket is connected with a rear wheel bracket through a bracket folding connecting rod assembly, the other end of the cushion supporting rod is arranged between one end of the front wheel bracket and one end of the lower telescopic rod, and a roller assembly is arranged at the bottom of the front wheel bracket and the rear wheel bracket. Is convenient to use.)

1. The utility model provides a switching-over structure around for perambulator push rod which characterized in that: the folding trolley comprises a sitting pocket structure and a trolley structure, wherein the sitting pocket structure comprises a cushion rod (1), the cushion rod (1) is upwards hinged with an upper cushion rod support (2) close to the rear end position, the top of the upper cushion rod support (2) is hinged with a rear back rod (3), the rear back rod (3) is hinged with a side handrail rod (4) close to the connecting part of the upper cushion rod support (2), the side handrail rod (4) is hinged with a front handrail rod (5), one end of the front handrail rod (5) is hinged with a front handrail connecting rod (6), the trolley structure comprises a lower push rod folding connecting rod (7), the top of the lower push rod folding connecting rod (7) is hinged with a push rod (8), the push rod and the lower push rod folding connecting rod (7) are hinged with an upper telescopic rod (9) close to the front side at the connecting part, one end of the upper telescopic rod (9) is slidably sleeved in the inner cavity of the lower telescopic rod (10), the utility model discloses a seat cushion, including lower telescopic link (10) bottom and front wheel support (12) one end be connected, front wheel support (12) are connected with rear wheel support (14) through support folding link assembly (13), preceding handrail connecting rod (6) and cushion pole (1) junction coaxial coupling cushion bracing piece (11) one end, cushion bracing piece (11) other end is located between front wheel support (12) one end and lower telescopic link (10) one end, front wheel support (12) and rear wheel support (14) bottom are provided with wheel components (15).

2. The push rod front-rear direction changing structure for a stroller according to claim 1, wherein: the support folding connecting rod assembly (13) comprises a rear wheel support (14) folding connecting rod and a front wheel support (12) folding connecting rod, a sliding long groove is formed in the rear wheel support (14) folding connecting rod, the bottom end of the push rod lower folding connecting rod (7) is movably arranged in the sliding long groove, and a rod body of the push rod lower folding connecting rod (7) close to the bottom end is hinged to the rear wheel support (14).

3. The push rod front-rear direction changing structure for a stroller according to claim 1, wherein: the top of the rear backrest rod (3) is provided with a seat pocket folding handle, and the top of the push rod (8) is provided with a folding knob for folding the bicycle.

4. The push rod front-rear direction changing structure for a stroller according to claim 1, wherein: and one end of the upper telescopic rod (9) is provided with an unlocking button (16).

5. The push rod front-rear direction changing structure for a stroller according to claim 1, wherein: the roller assembly (15) comprises a front wheel arranged at the bottom of the front wheel support (12) and a rear wheel arranged at the bottom of the rear wheel support (14), the front wheel is of a universal wheel structure, and a brake structure is arranged on the rear wheel.

Technical Field

The invention relates to the technical field of a baby carriage, in particular to a push rod front-back reversing structure for the baby carriage.

Background

The baby carriage is a tool carriage designed for providing convenience for outdoor activities of babies, and has various vehicle types, the baby carriage is generally played by children aged 1 to 2 years, the toy carriage with wheels is played by children aged over 2 years, the baby carriage can bring certain benefits to the intelligence development of the children, and the brain development of the children is increased. The baby carriage is a favorite walking vehicle for babies, and is an essential product for mothers to take babies to shop on the street. However, the baby carriage can be divided into various types according to the growth and usage of the baby.

In the pushing process of the existing baby carriage, the push rod is fixed and can only be kept in one direction, so that a mother is always positioned at the rear side of a baby, interaction with the baby is difficult to carry out, the state of the baby cannot be observed in real time, the using effect is poor, and the baby carriage is very laborious when going upstairs.

Disclosure of Invention

The invention aims to provide a push rod front-back reversing structure for a baby carriage, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a push rod front-back reversing structure for a baby carriage comprises a seat bag structure and a stroller structure, wherein the seat bag structure comprises a seat cushion rod, the seat cushion rod is obliquely upwards hinged with a seat cushion rod upper support close to the rear end, the top of the seat cushion rod upper support is hinged with a back backrest rod, the back backrest rod is hinged with a side armrest rod close to a support connecting part on the seat cushion rod, the side armrest rod is hinged with a front armrest rod, one end of the front armrest rod is hinged with the front armrest connecting rod, the stroller structure comprises a push rod lower folding connecting rod, the top of the push rod lower folding connecting rod is hinged with the push rod, the push rod and the push rod lower folding connecting rod are hinged with an upper telescopic rod close to the connecting part to the front side, one end of the upper telescopic rod is slidably sleeved in an inner cavity of the lower telescopic rod, the bottom end of the lower telescopic rod is connected with one end of a front wheel support, the front wheel support, the front handrail connecting rod is coaxially connected with one end of a cushion supporting rod at the joint of the cushion rod, the other end of the cushion supporting rod is arranged between one end of a front wheel support and one end of a lower telescopic rod, and a roller assembly is arranged at the bottom of the front wheel support and the bottom of a rear wheel support.

Furthermore, the support folding connecting rod assembly comprises a rear wheel support folding connecting rod and a front wheel support folding connecting rod, a sliding long groove is formed in the rear wheel support folding connecting rod, the bottom end of the push rod lower folding connecting rod is movably arranged in the sliding long groove, and a rod body, close to the bottom end, of the push rod lower folding connecting rod is hinged to the rear wheel support.

Furthermore, a seat pocket folding handle is arranged at the top of the rear backrest rod, and a folding knob for folding the bicycle is arranged at the top of the push rod.

Furthermore, an unlocking button is arranged at one end of the upper telescopic rod.

Furthermore, the roller assembly comprises a front wheel arranged at the bottom of the front wheel support and a rear wheel arranged at the bottom of the rear wheel support, the front wheel is of a universal wheel structure, and the rear wheel is provided with a brake structure.

Compared with the prior art, the invention has the beneficial effects that: the baby carriage has the advantages that the push rod is reversed forwards and backwards through one-key locking and one-key unlocking, the stability of the baby carriage can be easily kept, the mother faces to the baby after the push rod is reversed, so that the interaction between the mother and the baby is increased, the relationship between parents is enhanced, the cushion gravity center can be driven to move forwards and backwards through the reversing, the center of the seat pocket is always deviated to one side of the push rod, the baby carriage is convenient to use, and the baby carriage is more labor-saving when being pushed to pass steps.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the seat bag of the present invention;

fig. 3 is a schematic diagram of the reversing process of the push rod of the present invention.

In the figure: 1. a cushion rod; 2. the cushion rod is supported; 3. a rear back bar; 4. a side grab bar; 5. a front grab bar; 6. a front armrest connecting rod; 7. the push rod is folded downwards to form a connecting rod; 8. a push rod; 9. an upper telescopic rod; 10. a lower telescopic rod; 11. a cushion support bar; 12. a front wheel bracket; 13. a bracket folding connecting rod assembly; 14. a rear wheel support; 15. a roller assembly; 16. an unlock button.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a front-back reversing structure of a push rod for a baby carriage, which realizes the function of reversing the push rod front-back, increases the interaction between a mother and a baby, strengthens the parent-child relationship, and ensures that the gravity center of a sitting pocket always deviates to one side of the push rod in the reversing process, thereby being more labor-saving and convenient for the mother to push the baby carriage to pass steps;

referring to fig. 1 and 2, the folding seat comprises a seat pocket structure and a trolley structure, wherein the seat pocket structure comprises a seat cushion rod 1, the position, close to the rear end, of the seat cushion rod 1 is obliquely and upwards hinged with a seat cushion rod upper support 2, the top of the seat cushion rod upper support 2 is hinged with a rear backrest rod 3, the rear backrest rod 3 is hinged with a side armrest rod 4 close to a connecting part of the rear backrest rod 3 and the seat cushion rod upper support 2, the side armrest rod 4 is hinged with a front armrest rod 5, one end of the front armrest rod 5 is hinged with a front armrest connecting rod 6, when the seat pocket structure is folded, a seat pocket folding handle is pushed rightwards to be unlocked and then pressed forwards, through a plurality of rotating fulcrums, the front armrest rod 5 and the front armrest connecting rod 6 are rotated and folded, and the rear backrest rod 3, the seat cushion rod upper support 2 and the side armrest;

referring to fig. 1, the cart structure includes a push rod lower folding connecting rod 7, the top of the push rod lower folding connecting rod 7 is hinged to a push rod 8, an upper telescopic rod 9 is hinged to the front side of the connection position of the push rod and the push rod lower folding connecting rod 7, one end of the upper telescopic rod 9 is slidably sleeved in the inner cavity of a lower telescopic rod 10, and the bottom end of the lower telescopic rod 10 is connected to one end of a front wheel support 12;

referring to fig. 1, a front wheel bracket 12 is connected with a rear wheel bracket 14 through a bracket folding connecting rod assembly 13, the joint of a front handrail connecting rod 6 and a cushion rod 1 is coaxially connected with one end of a cushion supporting rod 11, the other end of the cushion supporting rod 11 is arranged between one end of the front wheel bracket 12 and one end of a lower telescopic rod 10, and the bottoms of the front wheel bracket 12 and the rear wheel bracket 14 are provided with a roller assembly 15;

referring to fig. 1, the folding connecting rod assembly 13 includes a folding connecting rod of the rear wheel bracket 14 and a folding connecting rod of the front wheel bracket 12, a sliding long groove is formed on the folding connecting rod of the rear wheel bracket 14, the bottom end of the lower folding connecting rod 7 of the push rod is movably arranged in the sliding long groove, a rod body of the lower folding connecting rod 7 of the push rod close to the bottom end is hinged with the rear wheel bracket 14, and the lower folding connecting rod 7 of the push rod can rotate around the rear wheel bracket 14 as an axis when the stroller is folded and contracted.

Referring to fig. 1, a folding handle of a seat pocket is arranged at the top of a back rest rod 3, the folding handle of the seat pocket is pushed rightwards to be unlocked, the folding structure of the seat pocket can be seen from the above recorded flow, a folding knob of a folding cart is arranged at the top of a push rod 8, the folding knob of the folding cart is rotated forwards, the push rod 8 is pressed forwards, the front end of a lower folding connecting rod 7 of the push rod moves forwards along a sliding groove on a folding connecting rod of a rear wheel support, and the front wheel support 12 and the rear wheel support 14 rotate and fold in opposite directions until the folding and the contraction are completed, so that the folding and.

An unlocking button 16 is arranged at one end of the upper telescopic rod 9, the unlocking button on the upper telescopic rod 9 is pressed, the gravity center of the trolley is positioned at the right side of the position shown in figure 3 at the moment, the locking between the assembling structure of the upper telescopic rod 9 and the lower telescopic rod 10 and the push rod 8 is released, the push rod 8 moves forwards, the bottom of the push rod lower folding connecting rod 7 moves backwards along the rear wheel support folding connecting rod, the integral structure of the push rod lower folding connecting rod 7 and the push rod rotates forwards by taking the bottom end of the push rod lower folding connecting rod 7 as a sliding axis until the bottom end of the push rod lower folding connecting rod 7 moves to the end along a sliding long groove on the rear wheel support folding connecting rod, the seat bag structure and the push rod 8 are driven to move in the reverse direction, the center of the trolley moves towards one end of the push rod, the reversing of the push rod 8 is realized, and in the reversing process, the assembling structure of the push rod 8, the push rod lower folding connecting rod 7, the cushion The four-bar structure enables the gravity center of the baby carriage to be shifted forwards and backwards, and ensures that the stability of the baby carriage is unchanged.

The roller assembly 15 comprises a front wheel arranged at the bottom of the front wheel support 12 and a rear wheel arranged at the bottom of the rear wheel support 14, the front wheel is of a universal wheel structure, and a brake structure is arranged on the rear wheel.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.