Backrest adjusting mechanism of baby carriage and baby carriage with backrest adjusting mechanism

Abstract

According to the technical scheme, a connecting piece connected to the end of an adjusting belt is arranged at the end of the adjusting belt, the connecting piece is arranged on a guiding piece in a sliding mode, when a frame needs to be folded, a cloth cover on a backrest can pull the adjusting belt, and the adjusting belt can be pulled by the cloth cover. Meanwhile, when the inclination angle of the backrest needs to be adjusted, the locking length of the adjusting belt is shortened through the adjusting part until the inclination angle is adjusted to the shortest fixed length, and at the moment, the end of the adjusting belt can drive the connecting piece to slide downwards along the guiding piece, so that the backrest can be folded and unfolded. According to the utility model, the backrest can not be restrained by the adjusting belt in the folding process, so that the folding process is not influenced; in the process of adjusting the inclination angle of the backrest, the inclination angle of the backrest cannot be restrained by the adjusting belt, and adjustment of the inclination angle of the backrest is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to baby products technical field, especially a backrest adjusting mechanism of baby carriage and baby carriage with it. BACKGROUND

[0002] Baby carriage is widely used in the family with baby, is the baby's commonly used traffic tool, whether it is shopping, walking, traveling or other common outdoor activities, will use baby carriage, and in the baby carriage, the backrest has important significance in the comfort level of baby carriage, thereby as the important reference part of baby carriage selection, in the prior art, the backrest of baby carriage has angle adjusting function, the leaning angle of backrest is switched through abutting in the adjusting band of backrest and the adjusting component of control adjusting band locking length, however, the end of adjusting band is fixed to the frame in the prior art, under the background that most baby carriages are attached folding function in today, the end of adjusting band adopts fixed connection mode, which will be pulled and constrained during adjusting the inclination angle of backrest or folding the frame, and the technical problem is solved. SUMMARY

[0003] The utility model discloses a backrest adjusting mechanism of baby carriage and baby carriage with it, which aims to solve the technical problem that the end of the adjusting band is fixed to the frame in the prior art, which will be pulled and constrained during adjusting the inclination angle of backrest or folding the frame.

[0004] To achieve the above-mentioned purpose, the utility model provides a backrest adjusting mechanism of baby carriage, comprising:

[0005] The backrest angle adjusting assembly is arranged on the backrest or one side of the backrest, and is used for adjusting the inclination angle of the backrest.

[0006] The movable connecting assembly comprises at least one connecting piece and a guide piece capable of moving the connecting piece in a predetermined direction, one end of the connecting piece is movably connected with the guide piece, and the other end of the connecting piece is connected with the backrest angle adjusting assembly.

[0007] Further, the backrest angle adjusting assembly comprises at least one adjusting band and an adjusting component for controlling the tightness of the adjusting band, and the inclination angle of the backrest is adjusted by adjusting the tightness of the adjusting band. Both ends of the adjusting band are connected with the corresponding connecting pieces. When the adjusting band is adjusted in tightness or is driven in the process of folding or unfolding the baby carriage, the connecting piece is synchronously driven by the adjusting band to move upward or downward in the guide piece.

[0008] Further, the guide piece is provided with a guide groove, and the connecting piece comprises a sliding part for cooperating with the guide groove, which can slide up and down in the guide groove.

[0009] Further, the connecting piece further comprises a connecting portion for fixing the adjusting belt, and the connecting portion is provided with a socket, and the end of the adjusting belt is inserted into and wound around the socket to be fixed.

[0010] Further, the sliding portion and the connecting portion are integrally formed, and the sliding portion is formed with a bending structure for abutting the guide in the direction away from the connecting portion.

[0011] Further, the guide is arranged on a frame of the baby carriage, the guide slot is open at one end of the sliding portion, and the connecting portion is connected with the adjusting belt after extending out of the opening.

[0012] Further, the adjusting component comprises a body and first and second accommodating cavities for inserting the adjusting belt, and the length of the adjusting belt passing through the first and second accommodating cavities is locked by the adjusting component.

[0013] Further, the adjusting component is provided with a limiting button, and the locking of the adjusting component on the adjusting belt is released when the limiting button is pressed.

[0014] Further, the adjusting belt passing through the first and second accommodating cavities is provided with a pulling member for conveniently adjusting the length of the adjusting belt, the pulling member comprises an abutting portion arranged in parallel with the adjusting belt and a pulling portion for external pulling, the abutting portion and the pulling portion are an integrally formed ring body, and the pulling portion is at least partially bent on the abutting portion.

[0015] The utility model also provides a baby carriage corresponding to the backrest adjusting mechanism.

[0016] The utility model discloses a connecting piece connected to the end of the adjusting belt, and the connecting piece is slidably arranged on the guide, when the frame needs to be folded, the cloth cover on the backrest will pull the adjusting belt to drive the connecting piece to slide upwards along the guide, and the adjusting belt will not be constrained to affect the folding of the frame, and when the inclination of the backrest needs to be adjusted, the adjusting belt is shortened and locked in length by the adjusting component until the shortest length is reached, and the end of the adjusting belt will drive the connecting piece to slide downwards along the guide to make the backrest further incline upwards to realize the adjustment of the relatively upright angle of the backrest, and the utility model will not be constrained by the adjusting belt during the folding process to affect the folding, and will not be constrained by the adjusting belt during the adjustment of the inclination of the backrest to affect the adjustment of the inclination of the backrest, and has beneficial technical effects. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a perspective view of the backrest angle adjusting assembly and the connecting piece;

[0018] Figure 2 It is a perspective view of the connecting piece Figure 1 ;

[0019] Figure 3 Schematic view of the three-dimensional structure of the connecting piece Figure 2

[0020] Figure 4 Schematic view of the three-dimensional structure of the pulling piece

[0021] Figure 5 Schematic view of the three-dimensional structure of the utility model

[0022] Figure 6 Schematic view of the three-dimensional structure of the connecting piece located in the guiding piece.

[0023] Among them, the above-mentioned drawings include the following reference signs:

[0024] 1, backrest adjusting mechanism of the child car; 11, backrest angle adjusting assembly; 111, adjusting belt; 112, adjusting part; 1121, body; 1122, first accommodating chamber; 1123, second accommodating chamber; 1124, limiting button; 12, movable connecting assembly; 121, connecting piece; 1211, sliding part; 1212, connecting part; 12121, socket; 12122, protrusion; 1213, curved structure; 122, guiding piece; 1221, guiding groove; 13, pulling piece; 131, abutting part; 132, pulling part; 2, child car; 21, backrest. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0027] ​Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0028] This utility model proposes a backrest adjustment mechanism 1 for a children's stroller.

[0029] In this embodiment of the utility model, such as Figures 1 to 6 As shown, the backrest adjustment mechanism 1 of the stroller includes a backrest angle adjustment component 11 and a movable connection component 12. The backrest angle adjustment component 1 is disposed on the backrest 21 or one side of the backrest 21 and is used to adjust the tilt angle of the backrest 21. The movable connection component 12 includes at least one connector 121 and a guide 122 that enables the connector 121 to move in a predetermined direction. One end of the connector 121 is movably connected to the guide 122, and the other end of the connector 121 is connected to the backrest angle adjustment component 11.

[0030] Specifically, the backrest angle adjustment assembly 11 includes at least one adjustment belt 111 and an adjustment component 112 for controlling the tension of the adjustment belt 111. By adjusting the tension of the adjustment belt 111, the tilt angle of the backrest 21 is adjusted. Both ends of the adjustment belt 111 are connected to corresponding connectors 121. When the tension of the adjustment belt 111 is adjusted by the adjustment component 112 or when the stroller 2 is being folded or unfolded, the connectors 121 are synchronously moved upward or downward along the guide 122 by the adjustment belt 111. When the stroller needs to be folded, the adjustment belt 111 is adjusted to a slack state by the adjustment component 112. The adjustment belt 111 is not locked. When the fixed part becomes longer, the connector 121 can drive the end of the adjustment belt 111 to slide upward along the guide 122. The adjustment belt 111 is not constrained during this process, so it does not affect the folding of the carriage. When it is necessary to lean against it, the adjustment belt 111 is adjusted to a taut state by the adjustment component 112, and the non-locking part of the adjustment belt 111 becomes shorter. At this time, the connector can drive the end of the adjustment belt 111 to slide downward along the guide 122. The adjustment belt 111 does not obstruct the angle adjustment of the backrest 21 during this process, so that the backrest 21 can rotate further towards the upright direction, so that the tilt angle of the backrest 21 can support the infant to lie down upright, increasing comfort.

[0031] In the embodiment of the utility model, the material of the adjusting band 111 can refer to the prior art, preferably, the adjusting band 111 is a woven band, which can better adapt to the use of baby products due to its soft and high toughness characteristics.

[0032] In the embodiment of the utility model, the guide 122 is provided with a guide groove 1221, the connecting piece 121 comprises a sliding part 1211 for cooperating with the guide groove 1221, the sliding part 1211 can slide up and down in the guide groove 1221, the sliding part 1211 drives the end of the adjusting band 111 to move in the guide groove 1221 according to the non-locking length of the adjusting band 111, and it can be understood that the sliding mode of the sliding part 1211 is various, in some other embodiments, the sliding part 1211 can also be a sleeve ring structure, and the guide 122 does not have to be provided with the guide groove 1221, the sleeve ring structure is directly sleeved on the guide 122, and preferably, as shown in the embodiment, the sliding part 1211 is a cylindrical structure extending into the guide groove 1221, and the extending structure has the advantages of more stable use and more stable connection mode compared with sleeving. Figure 6

[0033] Specifically, in order to stably control the end of the adjusting band 111, the connecting piece 121 further comprises a connecting part 1212 for fixing the adjusting band 111, the connecting part 1212 is provided with a socket 12121, the end of the adjusting band 111 extends into and winds around the socket 12121 to be fixed, and the connecting mode is simple and stable, and is suitable for assembly and actual use.

[0034] Further, in the use process of the utility model, the end of the adjusting band 111 will be dragged slightly at the socket 12121 part due to the driving of the connecting piece 121, in order to protect the end of the adjusting band 111, the outer frame of the socket 12121 is formed in the direction of the extension of the adjusting band 111 and is provided with a convex 12122 for protecting the adjusting band 111 at the butt joint of the socket 12121.

[0035] Further, in some preferred embodiments of the utility model, the sliding part 1211 and the connecting part 1212 are integrally formed, the integrally formed structure is more stable, and at the same time, the sliding part 1211 is formed in the direction away from the connecting part 1212 and is provided with a bending structure 1213 for butt joining the guide 122, the bending structure 1213 has the advantage of being more convenient to be clamped on the frame, and when the frame is butt joined, the bending structure 1213 is aligned with the frame, and part of the frame extends into the bending structure 1213 for installation.

[0036] ​In the embodiment of the utility model, the guide 122 is arranged on the frame of the baby carriage, in order to control the movement of the guide 122 more smoothly, the guide groove 1221 is opened at one end corresponding to the sliding part 1211, and the connecting part 1212 is connected with the adjusting belt 111 after extending out of the opening.

[0037] It can be understood that when the guide 122 is arranged on the frame, the arrangement position of the guide 122 is various, and mainly can be limited on the handle tube, the foot tube and other parts with a certain expansion distance, the guide 122 can satisfy the movement of the connecting part 121 within a certain distance, and then the adjusting belt 111 does not affect the folding of the baby carriage and the inclination adjustment of the backrest 21, as shown in Figure 5 and Figure 6 In the embodiment of the utility model, the guide 122 is arranged on the front foot tube of the frame.

[0038] In the embodiment of the utility model, the adjusting part 112 comprises a body 1121 and first and second accommodating chambers 1122 and 1123 for extending into the adjusting belt 111, wherein the length of the part segment of the adjusting belt 111 passing through the first and second accommodating chambers 1122 and 1123 is locked by the adjusting part 112, and the length of the locked part segment is not used for adjusting the inclination of the backrest 21.

[0039] Specifically, in order to facilitate the use of the adjusting part 112, the adjusting part 112 is provided with a limiting button 1124, when the limiting button 1124 is pressed, the locking of the adjusting part 112 to the adjusting belt 111 is released, and the locking and unlocking of the adjusting part 112 to the adjusting belt 111 is controlled by the button, which is convenient for daily use.

[0040] Further, when the locked segment part of the adjusting belt 111 needs to be lengthened, the part of the adjusting belt 111 passing through the adjusting part 112 needs to be pulled, and in order to facilitate the pulling action, the part segment of the adjusting belt 111 passing through the first and second accommodating chambers 1122 and 1123 is provided with a pulling part 13 for facilitating the adjustment of the length of the adjusting belt 111, when the foregoing step needs to be performed, the pulling part 13 is pulled to lengthen the locked segment part of the adjusting belt 111.

[0041] Specifically, the pulling part 13 comprises an abutting part 131 arranged parallel to the adjusting belt 111 and a pulling part 132 for external force pulling, the abutting part 131 and the pulling part 132 are an integral annular body, the integral annular body has the advantages of relatively stable structure, in addition, in order to make the pulling of the pulling part 13 more labor-saving, the pulling part 132 is at least partially bent on the abutting part 131, the bent pulling part 132 can be more adapted to the structure of the hand, and the hand can be attached to the pulling part 132 when pulling, so as to achieve the effect of saving labor.

[0042] The utility model discloses still propose a baby carriage 2, such as Figure 5 And Figure 6 As shown in the drawing, the baby carriage 2 includes the backrest adjusting mechanism 1 of baby carriage beforehand, and the baby carriage 2 still includes backrest 21 and frame, and the backrest adjusting mechanism 1 of baby carriage is arranged at backrest 21.The structure of the backrest adjusting mechanism 1 of baby carriage refers to the above embodiment.Because the baby carriage 2 adopts all the technical solutions of the backrest adjusting mechanism 1 of baby carriage of all the embodiments above, therefore at least has all the beneficial effects brought by the technical scheme of the above embodiment, here will not repeat.

[0043] The above only is the preferred embodiment of the utility model, and does not therefore limit the patent range of the utility model, and all equivalent structural transformations made by using the utility model specification and the drawing contents under the utility model concept of the utility model, or direct / indirect application in other related technical fields are included in the patent protection range of the utility model.

Claims

1. A backrest adjustment mechanism for a stroller, the mechanism comprising: The application relates to a backrest angle adjusting assembly of a baby carriage. The backrest angle adjusting assembly comprises at least one adjusting belt and an adjusting component for controlling the tightness of the adjusting belt, and the angle of the backrest is adjusted by adjusting the tightness of the adjusting belt. The two ends of the adjusting belt are connected with corresponding connecting pieces respectively, and the connecting pieces are synchronously moved upwards or downwards along the guide piece by the adjusting belt when the tightness of the adjusting belt is adjusted by the adjusting component or the baby carriage is folded or unfolded.

2. The stroller backrest adjustment mechanism of claim 1, wherein: The guide piece is provided with a guide groove, and the connecting piece comprises a sliding part for cooperating with the guide groove, which can slide up and down in the guide groove.

3. The backrest adjustment mechanism of a stroller according to claim 2, characterized in that: The connecting piece further comprises a connecting part for fixing the adjusting belt, and the connecting part is provided with a socket, and the end of the adjusting belt is inserted into and wound around the socket to be fixed.

4. The backrest adjustment mechanism of a stroller according to claim 3, characterized in that: The sliding part and the connecting part are integrally formed, and the sliding part is formed with a bending structure for abutting against the guide piece in the direction away from the connecting part.

5. The backrest adjustment mechanism of a stroller according to claim 3, wherein: The guide piece is arranged on the frame of the baby carriage, the guide groove is open at one end corresponding to the sliding part, and the connecting part is connected with the adjusting belt after extending out of the opening.

6. The backrest adjustment mechanism of a stroller according to claim 4, characterized in that: The adjusting component comprises a body and first and second accommodating cavities for inserting the adjusting belt, wherein the length of the adjusting belt passing through the first and second accommodating cavities is locked by the adjusting component.

7. The backrest adjustment mechanism of a stroller according to claim 2, wherein: The adjusting component is provided with a limiting button, and the locking of the adjusting component on the adjusting belt is released when the limiting button is pressed.

8. The backrest adjustment mechanism of a stroller according to claim 7, characterized in that: The adjusting belt passing through the first and second accommodating cavities is provided with a pulling piece for conveniently adjusting the length of the adjusting belt, the pulling piece comprises an abutting part arranged in parallel with the adjusting belt and a pulling part for external force pulling, the abutting part and the pulling part are an integrally-formed ring body, and the pulling part is at least partially bent on the abutting part.

9. The backrest adjustment mechanism of a stroller according to claim 7, characterized in that: The backrest adjusting mechanism of the baby carriage is the backrest adjusting mechanism of any one of claims 1 to 9.

10. A stroller comprising a backrest adjustment mechanism of the stroller, characterized in that: ​

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