CN219447103U

CN219447103U - Baby carriage frame

Info

Publication number: CN219447103U
Application number: CN202320873315.1U
Authority: CN
Inventors: 葛豪杰; 王丹; 郝乙霏
Original assignee: Henan Weilebao Children's Products Co ltd
Current assignee: Henan Weilebao Children's Products Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-08-01
Anticipated expiration: 2033-04-17

Abstract

The utility model relates to the technical field of strollers, in particular to a stroller frame, which comprises a stroller frame and a supporting underframe, wherein a stroller rod is fixedly arranged on the left side and the right side of the stroller frame through fixing pieces, a supporting column is fixedly arranged at the bottom of the stroller frame, a through hole is formed in the supporting column, a compression spring is fixedly arranged on the right side of the inside of the through hole, a limiting block is fixedly arranged at the left end of the compression spring, a fixing sleeve is sleeved on the outer side of the supporting column, a plurality of limiting holes are formed in the outer side of the fixing sleeve, rollers are respectively arranged on the left side and the right side of the supporting underframe in a rotating mode through pin shafts, and a cushioning mechanism is arranged between the supporting underframe and the fixing sleeve.

Description

Baby carriage frame

Technical Field

The utility model relates to the technical field of strollers, in particular to a stroller frame.

Background

The utility model discloses a folding baby stroller frame, which is disclosed in the utility model of patent application number CN202121842046.X, and comprises a mounting base, a supporting mechanism and a fixing mechanism, wherein the supporting mechanism comprises two connecting plates, and the two connecting plates are fixedly arranged at the top of the mounting base. According to the utility model, the inserting connection rod is pulled to enable the inserting connection rod not to be clamped with the positioning groove, so that the guide rod can slide in the guide groove, the supporting rod can rotate along with the sliding of the guide rod, the junction between the curved rod and the supporting rod is lowered, the curved rod rotates in the connecting seat through the rotating shaft, along with the lowering of the junction between the curved rod and the supporting rod, the driven rod also rotates at the outer side of the connecting shaft and drives the fixed rod to descend, the fixed rod drives the cushion or the sleeping basket to descend, and the occupied area is reduced in a height reducing manner, so that the technical problem that the existing baby carriage cannot be stored, occupies part of space in a room and influences the living experience of a user is solved.

Although the above patent solves the problems in the background art, the following disadvantages still exist: 1. the bottom of the frame does not have the function of vibration buffering, so that when the baby carriage is used, the frame is easy to shake greatly due to vibration, thereby influencing the riding comfort of the baby and reducing the practical effect of the baby carriage; 2. the frame of the bicycle has no height adjustment, so that the frame cannot be lifted or lowered according to different people, pushing operation by the users is not facilitated, and the flexibility of the frame is reduced.

In summary, the present utility model solves the above-mentioned problems of the prior art by designing a stroller frame.

Disclosure of Invention

The present utility model is directed to a stroller frame for solving the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the baby stroller frame comprises a stroller frame and a supporting underframe, wherein the left side and the right side of the stroller frame are fixedly provided with a stroller bar through fixing pieces, the bottom of the stroller frame is fixedly provided with a supporting column, the inside of the supporting column is provided with a through hole, the right side of the inside of the through hole is fixedly provided with a compression spring, the left end of the compression spring is fixedly provided with a limiting block, the outer side of the supporting column is sleeved with a fixing sleeve, the outer side of the fixing sleeve is provided with a plurality of limiting holes, the left side and the right side of the supporting underframe are respectively provided with a roller through pin shaft rotation, and a shock absorption mechanism is arranged between the supporting underframe and the fixing sleeve;

the damping mechanism comprises a mounting groove formed in the top surface of the supporting underframe, a piston cylinder and a damping damper are fixedly mounted at the bottom end of the mounting groove respectively, a piston rod is arranged at the top of the piston cylinder, a bearing plate is fixedly mounted at the top of the piston rod, and a damping spring is matched with the outer side of the damping damper.

As a preferable scheme of the utility model, the four support columns are respectively positioned at the peripheral end corners of the bottom of the cart frame.

As a preferred solution of the utility model, the outer dimension of the support column is adapted to the inner dimension of the fixing sleeve.

As a preferable scheme of the utility model, the inner left end surface of the through hole is flush with the outer side surface of the support column, and the outer side surface of the limiting block is contacted with the inner wall of the limiting hole and is in sliding clamping.

As a preferable scheme of the utility model, the inner wall of the mounting groove is infinitely close to the peripheral surface of the outer side of the bearing plate.

As a preferable scheme of the utility model, the bottom end of the piston rod movably penetrates through the top surface of the piston cylinder, and the piston rod is arranged in a front-back symmetrical way relative to the central axis of the inner bottom end of the mounting groove.

As a preferable scheme of the utility model, the top surface of the shock absorption damper is fixedly connected with the bottom surface of the bearing plate, and the top surface of the bearing plate is fixedly connected with the bottom surface of the fixed sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the damping mechanism is arranged in the stroller frame, so that the elastic support of the stroller frame is realized by utilizing the structural design in the damping mechanism, the purpose of vibration buffering of the stroller frame is further achieved, the occurrence of severe shaking of the stroller frame due to vibration is effectively avoided, and the riding comfort of a baby is ensured.

2. According to the stroller frame, the structural design of the fixing sleeve, the supporting column, the compression spring, the limiting block and the limiting hole is utilized, so that the displacement change between the supporting column and the fixing sleeve is realized, the purpose of adjusting the height of the stroller frame is achieved, the stroller frame is convenient to use without personnel, and the flexibility of the stroller frame is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a damping mechanism according to the present utility model;

fig. 3 is a partially exploded view of the frame of the present utility model.

In the figure: 1. a pushing frame; 101. a trolley rod; 102. a support column; 1021. a through hole; 1022. a compression spring; 1023. a limiting block; 103. a fixed sleeve; 1031. a limiting hole; 2. a support chassis; 201. a roller; 3. a damping mechanism; 301. a mounting groove; 302. a piston cylinder; 303. a cushioning damper; 304. a piston rod; 305. a carrying plate; 306. and (5) a damping spring.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, several embodiments of the utility model will be described more fully hereinafter with reference to the accompanying drawings, in which, however, the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but instead is provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present utility model provides a technical solution:

the baby stroller frame comprises a stroller frame 1 and a supporting underframe 2, wherein a stroller rod 101 is fixedly arranged on the left side and the right side of the stroller frame 1 through fixing pieces, a supporting column 102 is fixedly arranged at the bottom of the stroller frame 1, a through hole 1021 is formed in the supporting column 102, a compression spring 1022 is fixedly arranged on the right side of the inside of the through hole 1021, a limiting block 1023 is fixedly arranged at the left end of the compression spring 1022, a fixing sleeve 103 is sleeved on the outer side of the supporting column 102, a plurality of limiting holes 1031 are formed in the outer side of the fixing sleeve 103, and idler wheels 201 are respectively arranged on the left side and the right side of the supporting underframe 2 in a rotating mode through pin shafts;

specifically, four support columns 102 are arranged, the four support columns 102 are respectively positioned at the peripheral end corners of the bottom of the cart frame 1, the outer side dimension of the support columns 102 is matched with the inner side dimension of the fixed sleeve 103, the inner left end surface of the through hole 1021 is flush with the outer side surface of the support columns 102, and the outer side surface of the limiting block 1023 is contacted with the inner wall of the limiting hole 1031 and is in sliding clamping;

in this embodiment, the cooperation between the support column 102 and the fixing sleeve 103 can make the support column 102 move stably and vertically, and the compression spring 1022 is mainly used for elastically supporting the limiting block 1023, so that the limiting block 1023 is matched with the limiting hole 1031 in a clamping manner, and thus the support column 102 and the fixing sleeve 103 are firmly fixed.

In this embodiment, referring to fig. 1, 2 and 3, a damping mechanism 3 is disposed between a supporting chassis 2 and a fixing sleeve 103, the damping mechanism 3 includes a mounting groove 301 formed on the top surface of the supporting chassis 2, a piston cylinder 302 and a damping damper 303 are respectively fixedly mounted at the bottom end of the mounting groove 301, a piston rod 304 is disposed at the top of the piston cylinder 302, a bearing plate 305 is fixedly mounted at the top of the piston rod 304, and a damping spring 306 is sleeved on the outer side of the damping damper 303 in a matching manner;

specifically, the inner wall of the mounting groove 301 is infinitely close to the outer peripheral surface of the bearing plate 305, the bottom end of the piston rod 304 movably penetrates through the top surface of the piston cylinder 302, and is symmetrically arranged in front-back direction relative to the central axis of the inner bottom end of the mounting groove 301, the top surface of the shock-absorbing damper 303 is fixedly connected with the bottom surface of the bearing plate 305, and the top surface of the bearing plate 305 is fixedly connected with the bottom surface of the fixed sleeve 103;

in this embodiment, the cooperation of running through between piston rod 304 and piston cylinder 302 can make to drive loading board 305 to carry out vertical movement, and the setting of shock-absorbing damper 303 can effectually restrain shock-absorbing spring 306 to appear the condition of rebounding repeatedly, has guaranteed the supporting effect of shock-absorbing spring 306 to loading board 305 to be convenient for carry out buffering protection to the frame.

The working flow of the utility model is as follows: when the baby stroller frame is used, the height of the frame is adjusted, the limiting block 1023 is pressed by external acting force, the limiting block 1023 moves towards the inside of the through hole 1021 and presses the compression spring 1022, elastic reaction force is generated by the compression spring 1022, the supporting column 102 can be moved until the limiting block 1023 is far away from the limiting hole 1031, the external acting force is removed after the limiting block 1023 is moved to a required position, the compression spring 1022 drives the limiting block 1023 to move and be clamped with the limiting hole 1031, so that the height adjustment of the frame is completed, the use of different persons is facilitated, further, when the stroller frame 1 receives vibration force, the frame 1 presses the supporting plate 305 through the supporting column 102 and the fixing sleeve 103 under the action of the vibration force, the supporting plate 305 presses the piston rod 304 and the shock absorber 303, the piston rod 304 and the piston cylinder 302 move, the shock absorber 303 contracts and the shock absorber 306 generates elastic supporting force, the shock absorber 305 is elastically supported, the vibration force received by the supporting plate 305 is effectively reduced, and the shock absorbing effect of the user is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a baby stroller frame, includes push away frame (1) and supports chassis (2), its characterized in that: the left side and the right side of the cart frame (1) are fixedly provided with cart rods (101) through fixing pieces, the bottom of the cart frame (1) is fixedly provided with support columns (102), through holes (1021) are formed in the support columns (102), compression springs (1022) are fixedly arranged on the right side of the inside of the through holes (1021), limiting blocks (1023) are fixedly arranged at the left ends of the compression springs (1022), fixing sleeves (103) are sleeved on the outer sides of the support columns (102), a plurality of limiting holes (1031) are formed in the outer sides of the fixing sleeves (103), idler wheels (201) are respectively arranged on the left side and the right side of the support underframe (2) through pin shafts in a rotating mode, and a cushioning mechanism (3) is arranged between the support underframe (2) and the fixing sleeves (103);

the damping mechanism (3) comprises a mounting groove (301) formed in the top surface of the supporting underframe (2), a piston cylinder (302) and a damping damper (303) are fixedly mounted at the bottom end of the mounting groove (301), a piston rod (304) is arranged at the top of the piston cylinder (302), a bearing plate (305) is fixedly mounted at the top of the piston rod (304), and a damping spring (306) is matched with the outer side of the damping damper (303).

2. A stroller frame according to claim 1, characterized in that: four support columns (102) are arranged, and the four support columns (102) are respectively positioned at the peripheral end corners of the bottom of the cart frame (1).

3. A stroller frame according to claim 1, characterized in that: the outer side dimension of the support column (102) is matched with the inner side dimension of the fixing sleeve (103).

4. A stroller frame according to claim 1, characterized in that: the left end surface of the inside of the through hole (1021) is flush with the outer side surface of the supporting column (102), and the outer side surface of the limiting block (1023) is contacted with the inner wall of the limiting hole (1031) and is in sliding clamping.

5. A stroller frame according to claim 1, characterized in that: the inner wall of the mounting groove (301) is infinitely close to the outer peripheral surface of the bearing plate (305).

6. A stroller frame according to claim 1, characterized in that: the bottom end of the piston rod (304) movably penetrates through the top surface of the piston cylinder (302), and is arranged in a front-back symmetrical mode relative to the central axis of the inner bottom end of the mounting groove (301).

7. A stroller frame according to claim 1, characterized in that: the top surface of bradyseism formula attenuator (303) is fixed with the bottom surface of loading board (305), the top surface of loading board (305) is fixed with the bottom surface of fixed sleeve (103).