Backrest adjusting assembly of buggy

Abstract

The utility model relates to the technical field of buggy, and discloses a backrest adjusting assembly of a buggy. The backrest adjusting assembly of the buggy comprises a backrest assembly, an angle adjusting assembly is installed at the upper end of the backrest assembly, a clamping block is installed at the lower end of the angle adjusting assembly, a connecting block is installed on the inner side of the clamping block, a limiting groove is formed in the connecting block, and a fixed connecting assembly is installed on the right side of the angle adjusting assembly. A connecting shaft is installed at the upper end of the fixed connecting assembly, a connecting rod is connected to the inner side of the connecting shaft, a reciprocating spring is installed at the upper end of the connecting rod, and supporting frames are installed on the two sides of the connecting shaft. Maintenance is troublesome during subsequent damage, and subsequent use is affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to children's car technical field, concretely is a backrest adjusting assembly of children's car. BACKGROUND

[0002] As a tool car designed for the convenience of baby outdoor activities, the children's car is favored and respected by young parents. It not only meets the needs of children sitting or lying, but also is a good tool for walking. And the appropriate backrest angle can improve the riding comfort of children in the car, and also can avoid the crying and noise caused by the uncomfortable riding of children.

[0003] The existing children's car backrest adjusting device can be referred to the Chinese utility model patent with the announcement number CN203902629U, which discloses a children's car backrest adjusting device, which comprises: an adjusting seat fixed between two backrest pipes through a support, a segmented seat fixed on the two backrest pipes and the seat pipe, and a transmission traction rope connecting the adjusting seat and the segmented seat: the adjusting seat comprises: an adjusting base and an adjusting handle connected with the adjusting base; the segmented seat comprises: an adjusting block, a segmented slider, a segmented seat body, a base cover, an end cover, a horizontal spring and a vertical spring; the rivet is arranged in the mounting holes of the seat pipe, the base cover, the segmented seat body, the backrest pipe, the segmented slider, the adjusting block and the end cover, and is fixed as a whole. Compared with the prior art, the utility model has the advantages of simple structure, firmness, adjustable backrest, more gear selection, convenient and flexible operation, high safety coefficient and the like.

[0004] Based on the above patent search, and combined with the existing technical equipment, the children's car is a tool car designed for the convenience of baby outdoor activities, which needs to adjust the back chair angle during use. The traditional adjusting device is complex to adjust, which causes subsequent damage and maintenance trouble, and affects the subsequent use. The supporting force of the traditional device is not enough when adjusting the back chair, which causes the back chair to loosen after adjusting, which affects the use of the device. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the defects of the prior art, the utility model provides a backrest adjusting assembly of children's car, which can effectively prevent the back chair angle from being adjusted during use, the traditional adjusting device is complex to adjust, which causes subsequent damage and maintenance trouble, and affects the subsequent use.

[0007] Technical scheme

[0008] To achieve the above object, the utility model provides the following technical scheme: a backrest adjusting assembly of a child's vehicle, include: backrest assembly, the upper end of backrest assembly is equipped with angle adjustment assembly for angle adjustment of backrest, the right side of angle adjustment assembly is equipped with fixed connection assembly convenient for fixed connection of angle adjustment assembly.

[0009] The lower end of the angle adjustment assembly is provided with a clamping block, the inner side of the clamping block is provided with a connecting block, and the inner part of the connecting block is provided with a limiting groove, which is convenient for fixing the position of the supporting frame.

[0010] The upper end of the fixed connection assembly is provided with a connecting shaft, the inner side of the connecting shaft is connected with a connecting rod, the upper end of the connecting rod is provided with a reciprocating spring, the two sides of the connecting shaft are provided with a supporting frame, and the supporting frame supports the backrest body.

[0011] As a preferred technical scheme of the utility model, the upper end of the backrest assembly is provided with a backrest body, the lower end of the backrest body is provided with a rotating shaft on both sides, the upper end left side of the rotating shaft is provided with a seat, and the upper end of the seat is provided with a connecting plate, which connects the seat and the rotating shaft.

[0012] As a preferred technical scheme of the utility model, the lower end of the angle adjustment assembly is provided with a first adjusting plate, and the side end of the first adjusting plate is provided with a second adjusting plate, and the first adjusting plate is installed to install the component at the upper end.

[0013] As a preferred technical scheme of the utility model, the upper end of the fixed connection assembly is provided with a fixed plate, which installs the connecting shaft at the upper end.

[0014] As a preferred technical scheme of the utility model, the angle adjustment assembly is installed at the upper end right side of the backrest body in the backrest assembly, and the fixed connection assembly is installed at the right side of the clamping block in the angle adjustment assembly.

[0015] As a preferred technical scheme of the utility model, the backrest body and the seat are connected as a right angle structure, the connecting plate is installed in the inner part of the rotating shaft, and the upper end of the connecting plate is provided with a connecting hole.

[0016] As a preferred technical scheme of the utility model, the first adjusting plate and the second adjusting plate are the same in structure, the first adjusting plate is installed at the upper end of the backrest body, and the number of clamping blocks is four.

[0017] As a preferred technical scheme of the utility model, the lower end of the connecting shaft is provided with a placing plate, the upper end of the supporting frame is installed in the inner part of the limiting groove, the upper end of the supporting frame is provided with an iron sheet, and the supporting frame is a thickened structure.

[0018] Compared with the prior art, the present invention provides a backrest adjustment component for a children's stroller with the following advantages:

[0019] 1. This utility model, through the setting of an angle adjustment component and a fixed connection component, includes an adjustment plate installed in the angle adjustment component, with multiple locking blocks installed at the upper end of the adjustment plate. These locking blocks fix the support frame in the fixed connection component. A connecting block is installed on the inner side of the adjustment plate, with a limit groove inside the connecting block. The limit groove restricts the position of the support frame. A connecting shaft is installed in the fixed connection component, connecting an internal reciprocating spring to facilitate the adjustment of the angle of the upper support frame. The support frame and the locking blocks are combined to adjust the backrest angle. This structure simplifies the adjustment device, making it easier to operate and maintain. It effectively prevents the problems associated with traditional adjustment devices for strollers, which are designed to facilitate outdoor activities for infants. Traditional adjustment devices are complex, leading to troublesome repairs when damaged, affecting future use. Furthermore, traditional devices often lack sufficient support when adjusting the backrest, causing it to loosen after adjustment. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the back-to-back component of the present invention.

[0022] Figure 3 This is a schematic diagram of the angle adjustment component of this utility model;

[0023] Figure 4 This is a schematic diagram of the structural fixing connection component of this utility model.

[0024] The components include: 1. Backrest assembly; 101. Backrest body; 102. Rotating shaft; 103. Seat; 104. Connecting plate; 2. Angle adjustment assembly; 201. First adjusting plate; 202. Second adjusting plate; 203. Locking block; 204. Connecting block; 205. Limiting groove; 3. Fixed connection assembly; 301. Fixing plate; 302. Connecting shaft; 303. Connecting rod; 304. Reciprocating spring; 305. Support frame. Detailed Implementation

[0025] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0026] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Please refer to Figure 1 - Figure 4 In the embodiment, a backrest adjusting assembly of a child car includes: a backrest assembly 1, an angle adjusting assembly 2 is installed at the upper end of the backrest assembly 1, a clamping block 203 is installed at the lower end of the angle adjusting assembly 2, a connecting block 204 is installed at the inner side of the clamping block 203, a limiting groove 205 is installed in the connecting block 204, a fixed connection assembly 3 is installed at the right side of the angle adjusting assembly 2, a connecting shaft 302 is installed at the upper end of the fixed connection assembly 3, a connecting rod 303 is connected to the inner side of the connecting shaft 302, a reciprocating spring 304 is installed at the upper end of the connecting rod 303, support frames 305 are installed at both sides of the connecting shaft 302, the angle adjusting assembly 2 is installed at the upper end right side of the backrest body 101 in the backrest assembly 1, and the fixed connection assembly 3 is installed at the right side of the clamping block 203 in the angle adjusting assembly 2.

[0029] Through the above structure;The backrest assembly 1 is convenient for connecting the upper end structure, and the overall device is convenient for use, the angle adjusting assembly 2 and the fixed connection assembly 3 are combined for use, and the angle of the upper end backrest assembly 1 is adjusted.

[0030] Please refer to Figure 1 - Figure 4The upper end of the backrest assembly 1 is provided with a backrest body 101, and the lower end of the backrest body 101 is provided with a rotating shaft 102, the left upper end of the rotating shaft 102 is provided with a seat 103, the upper end of the seat 103 is provided with a connecting plate 104, the backrest body 101 and the seat 103 are connected in a right angle structure, the connecting plate 104 is connected in the interior of the rotating shaft 102, and the upper end of the connecting plate 104 is provided with a connecting hole.

[0031] Through the above structure: the upper end structure is installed by installing the backrest body 101, the seat 103 of the upper end is connected by the rotating shaft 102, the seat 103 is convenient for users to use, and the seat 103 is connected with the rotating shaft 102 by the connecting plate 104.

[0032] Please refer to Figure 1 - Figure 4 The lower end of the angle adjustment assembly 2 is provided with a first adjusting plate 201, the side end of the first adjusting plate 201 is provided with a second adjusting plate 202, the backrest body 101 and the seat 103 are connected in a right angle structure, the connecting plate 104 is connected in the interior of the rotating shaft 102, and the upper end of the connecting plate 104 is provided with a connecting hole.

[0033] Through the above structure: the upper end assembly is installed by installing the first adjusting plate 201, the upper end clamping block 203 is connected and installed by the second adjusting plate 202, the clamping block 203 is used in combination with the supporting frame 305, the backrest is conveniently adjusted and fixed, the internal limiting groove 205 is connected by the connecting block 204, and the position of the supporting frame 305 is fixed by the limiting groove 205.

[0034] Please refer to Figure 1 - Figure 4 The upper end of the fixed connection assembly 3 is provided with a fixed plate 301, the lower end of the connecting shaft 302 is provided with a placing plate, the upper end of the supporting frame 305 is arranged in the interior of the limiting groove 205, the upper end of the supporting frame 305 is provided with an iron sheet, and the supporting frame 305 is a thickened structure.

[0035] Through the above structure: the upper end connecting shaft 302 is installed by installing the fixed plate 301, the upper end connecting rod 303 is connected by the connecting shaft 302, the upper end reciprocating spring 304 is connected by the connecting rod 303, the supporting frame 305 is driven to rotate by the reciprocating spring 304, and the backrest body 101 is supported by the supporting frame 305.

[0036] In use, first, in use, the user pulls the backrest body 101 forward to adjust the angle of the backrest body 101, and the angle of the backrest body 101 is adjusted by the rotating shaft 102 on both sides when the backrest body 101 is pulled, and when adjusting, the backrest body 101 is pulled forward to pull out the support frame 305 inside the clamping block 203, the rear end of the backrest body 101 is provided with the second adjusting plate 202, the upper end of the second adjusting plate 202 is provided with a plurality of clamping blocks 203, the upper end of the support frame 305 is connected with the connecting shaft 302, the reciprocating spring 304 is installed in the connecting shaft 302, the support frame 305 is rebounded by the reciprocating spring 304 when it is separated from the clamping block 203, the upper end of the support frame 305 is installed in the limiting groove 205, the position of the support frame 305 is limited by the limiting groove 205, when the backrest body 101 is adjusted in angle, the connecting block 204 drives the limiting groove 205 to move, and the internal support frame 305 is driven, after adjusting to the appropriate angle, the backrest body 101 is moved forward and then backward, the support frame 305 is clamped into the internal clamping block 203 for fixation, the support frame 305 is a reinforcing structure, which is convenient for supporting the weight of the upper end, and the upper end of the support frame 305 is provided with an iron sheet, which emits a sound to remind the user that the adjustment is completed when the support frame 305 is clamped into the clamping block 203.

[0037] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A backrest adjustment assembly for a child's vehicle, the backrest adjustment assembly comprising: The utility model provides a backrest assembly (1), the upper end of backrest assembly (1) is installed with angle adjustment assembly (2), the lower end of angle adjustment assembly (2) is installed with clamping block (203), the inner side of clamping block (203) is installed with link block (204), and the inside of link block (204) is installed with limiting slot (205), the right side of angle adjustment assembly (2) is installed with fixed connection assembly (3), the upper end of fixed connection assembly (3) is installed with link shaft (302), the inner side of link shaft (302) is connected with connecting rod (303), and the upper end of connecting rod (303) is installed with reciprocating spring (304), both sides of link shaft (302) are installed with support frame (305).

2. A backrest adjustment assembly for a child's vehicle according to claim 1, wherein, The upper end of the backrest assembly (1) is installed with a backrest body (101), and the lower end of the backrest body (101) is installed with a rotating shaft (102) on both sides.

3. A backrest adjustment assembly for a child's vehicle according to claim 1, wherein, The lower end of the angle adjustment assembly (2) is installed with a first adjusting plate (201), and the side end of the first adjusting plate (201) is installed with a second adjusting plate (202).

4. A backrest adjustment assembly for a child's vehicle according to claim 1, wherein, The upper end of the fixed connection assembly (3) is installed with a fixed plate (301).

5. A backrest adjustment assembly for a child's vehicle according to claim 1, wherein, The angle adjustment assembly (2) is installed on the right side of the upper end of the backrest body (101) in the backrest assembly (1), and the fixed connection assembly (3) is installed on the right side of the clamping block (203) in the angle adjustment assembly (2).

6. A backrest adjustment assembly for a child's vehicle according to claim 2, wherein, The backrest body (101) is connected with the seat (103) at a right angle, the connecting plate (104) is installed inside the rotating shaft (102), and the upper end of the connecting plate (104) is installed with a connecting hole.

7. A backrest adjustment assembly for a child's vehicle according to claim 3, wherein The first adjusting plate (201) and the second adjusting plate (202) have the same structure, the first adjusting plate (201) is installed on the upper end of the backrest body (101), and the number of clamping blocks (203) is four.

8. A backrest adjustment assembly for a child's vehicle according to claim 4, wherein, The lower end of the link shaft (302) is installed with a placing plate, the upper end of the support frame (305) is installed inside the limiting slot (205), the upper end of the support frame (305) is installed with an iron sheet, and the support frame (305) has a thickened structure.

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