Baby stroller with liftable backrest

Abstract

The utility model discloses a baby stroller with a liftable backrest, which comprises a backrest component, a seat component and an armrest component which are in coaxial pin joint through an interface, the backrest component comprises a backrest unit and a lifting backrest movably arranged on the backrest unit, and an adjusting unit matched with the lifting backrest is arranged in the backrest unit. The lifting backrest is reasonable in structural design, lifting adjustment of the lifting backrest on the backrest unit can be achieved by pressing the sliding adjusting unit, adjustment is simple and convenient, a user can adjust the height with one hand, and convenience is brought to daily travel of the baby stroller.

Description

Technical Field

[0001] The utility model relates to the field of baby strollers, in particular to a baby stroller with a liftable backrest. Background Art

[0002] A baby stroller is a tool vehicle designed to provide convenience for babies' outdoor activities. It is the baby's favorite means of transportation for walking, and it is also a must-have for mothers when taking their babies shopping.

[0003] The backrest of existing baby strollers is usually designed to be flippable and foldable for easy storage. However, due to the different heights and body shapes of different babies and mothers, the height of the backrest is also an important factor in determining the comfort of the baby and the mother when traveling with the baby stroller. However, existing baby strollers rarely have structures for adjusting the height of the backrest, or the adjustment structures are relatively complicated, requiring mothers to spend a lot of effort to adjust the height of the backrest, which is very inconvenient. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a baby stroller with a liftable backrest in view of the current status of the prior art.

[0005] The technical solution adopted by the utility model to solve the above technical problems is: a baby stroller with a liftable backrest, including a backrest assembly, a seat assembly and an armrest assembly coaxially pinned through an interface, the backrest assembly includes a backrest unit and a liftable backrest movably arranged on the backrest unit, and the backrest unit is provided with an adjustment unit that cooperates with the liftable backrest.

[0006] Preferably, the adjustment unit includes a sliding box and sliding sheets arranged on both sides of the sliding box, the sliding sheets are connected to the sliding box through connecting sheets arranged on the sliding box, and the sliding box drives the sliding sheets to slide synchronously; at least one control member is movably provided in the sliding box, and a positioning member for positioning is extended outwardly from the side of the control member.

[0007] Preferably, the control member is provided with a pressing cavity for controlling pressing, and the control member includes a first control member and a second control member; a spring is provided between the first control member and the second control member, and spring grooves that cooperate with the spring are provided on the inner walls of the first control member and the second control member.

[0008] Preferably, the backrest assembly is provided with a limiting groove cooperating with the sliding box, and the sliding box slides in the limiting groove; and the inner walls on both sides of the limiting groove are provided with positioning holes cooperating with the positioning piece for positioning.

[0009] Preferably, the backrest unit comprises a fixing bracket and a backrest plate, both ends of the fixing bracket and both ends of the backrest plate are connected to the interface; and the limiting groove is arranged on the back side of the backrest plate.

[0010] Preferably, the liftable backrest comprises a lift bracket and a lift member pinned to the lift bracket, and an end of the lift member is slidably disposed on the fixed bracket.

[0011] Preferably, two ends of the adjustment unit are slidably disposed on a fixed bracket.

[0012] Preferably, two ends of the adjustment unit are plug-connected to the inner wall of the lifting member respectively.

[0013] Compared with the prior art, the utility model has the advantages that the lifting and lowering adjustment of the lifting backrest on the backrest unit can be achieved by pressing the sliding adjustment unit, the adjustment is simple and convenient, and the user can adjust the height with one hand, which brings convenience to the daily travel of the baby stroller. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the utility model;

[0017] Figure 4 It is a schematic diagram of the exploded structure of the utility model.

[0018] Figure numerals: 1. interface; 2. backrest assembly; 3. seat assembly; 4. armrest assembly; 5. sliding box; 6. sliding plate; 7. connecting plate; 8. positioning member; 9. pressing cavity; 10. first control member; 11. second control member; 12. spring; 13. spring slot; 14. limiting slot; 15. positioning hole; 16. fixing bracket; 17. backrest board; 18. lifting bracket; 19. lifting member. DETAILED DESCRIPTION

[0019] The following will disclose multiple embodiments of the present invention with drawings. For the purpose of clear description, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not necessary. In addition, in order to simplify the drawings, some conventional structures and components will be depicted in a simple schematic manner in the drawings.

[0020] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back... are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0021] Moreover, some of the above-mentioned terms may be used to express other meanings besides indicating orientation or positional relationships. For example, the term "on" may also be used to indicate a certain dependency or connection relationship in certain circumstances. A person skilled in the art may understand the specific meanings of these terms in the present utility model according to the specific circumstances.

[0022] In addition, the terms "install", "set", "provided with", "connect", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. The connection methods involved in this article are prior arts, without any improvement, and are all common knowledge of those skilled in the art. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0023] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0024] like Figures 1 to 4 As shown, the utility model provides a baby stroller with a liftable backrest, comprising a backrest assembly 2, a seat assembly 3 and an armrest assembly 4 coaxially pinned by an interface 1; specifically, the backrest assembly 2 comprises a backrest unit and a liftable backrest movably arranged on the backrest unit, an adjustment unit cooperating with the liftable backrest is arranged in the backrest unit, the liftable backrest is connected to the adjustment unit, the adjustment unit slides on the backrest unit to drive the liftable backrest to slide synchronously on the backrest unit to realize the lifting and lowering of the backrest.

[0025] The adjustment unit includes a sliding box 5 and sliding sheets 6 arranged on both sides of the sliding box 5. The sliding sheets 6 are connected to the sliding box 5 through a connecting sheet 7 that passes through the sliding box 5. The sliding box 5 drives the sliding sheets 6 to slide synchronously. Specifically, at least one control member is movably arranged in the sliding box 5, and a positioning member 8 for positioning is extended outward from the side of the control member.

[0026] The control member is provided with a pressing cavity 9 for controlling pressing, and the control member includes a first control member 10 and a second control member 11; specifically, a spring 12 is provided between the first control member 10 and the second control member 11, and spring grooves 13 cooperating with the spring 12 are provided on the inner walls of the first control member 10 and the second control member 11, and the two ends of the spring 12 are respectively connected with the inner walls of the spring grooves 13 on the first control member 10 and the second control member 11.

[0027] The backrest assembly 2 is provided with a limiting groove 14 that cooperates with the sliding box 5, and the sliding box 5 slides in the limiting groove 14; specifically, the inner walls on both sides of the limiting groove 14 are provided with positioning holes 15 that cooperate with the positioning member 8 for positioning, and the positioning and fixing of the sliding box 5 is achieved through the cooperation between the positioning member 8 and the positioning holes 15 during the sliding process.

[0028] The backrest unit includes a fixing bracket 16 and a backrest plate 17 , both ends of the fixing bracket 16 and both ends of the backrest plate 17 are connected to the interface 1 ; specifically, the limiting groove 14 is provided on the back side of the backrest plate 17 .

[0029] The lifting backrest includes a lifting bracket 18 and a lifting member 19 pinned to the lifting bracket 18 , and an end of the lifting member 19 is slidably disposed on the fixed bracket 16 .

[0030] The two ends of the adjustment unit are slidably disposed on the fixed bracket 16 ; specifically, one end of the sliding sheet 6 away from the sliding box 5 is slidably disposed on the fixed bracket 16 .

[0031] The two ends of the adjustment unit are plug-connected with the inner wall of the lifting member 19 respectively; specifically, one end of the sliding sheet 6 away from the sliding box 5 is plug-connected with the inner wall of the lifting member 19 .

[0032] The working principle of the utility model is as follows: the pressing cavity 9 on the first control member 10 and the second control member 11 is pressed toward the middle at the same time, so that the spring 12 between the first control member 10 and the second control member 11 is compressed, and the sliding box 5 is moved up and down in the limiting groove 14, and the sliding box 5 drives the sliding sheet 6 to slide synchronously, and the sliding sheet 6 drives the lifting member 19 connected thereto to slide synchronously, and the lifting member 19 drives the lifting bracket 18 to slide synchronously, thereby realizing the height lifting and lowering adjustment of the lifting backrest. After the lifting backrest is adjusted to the ideal height, the pressing cavity 9 is released, and the spring 12 relaxes and returns to its original state. The first control member 10 and the second control member 11 move outwards respectively under the action of the elastic force of the spring 12, and the positioning members 8 on the first control member 10 and the second control member 11 cooperate with the positioning holes 15 on the inner walls on both sides of the limiting groove 14 to realize positioning and fixing.

[0033] The utility model has the advantages that the lifting and lowering adjustment of the lifting backrest on the backrest unit can be achieved by pressing the sliding adjustment unit, the adjustment is simple and convenient, the user can adjust the height with one hand, and it brings convenience to the daily travel of the baby stroller.

[0034] In the description of this specification, reference is made to the terms "one embodiment", "some embodiments", "examples", "specific examples", etc.

[0035] The description of "example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0036] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, and bonding in the prior art, which will not be described in detail here.

[0037] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, various changes and variations can be made in the specific implementation methods and application scopes based on the ideas of the present invention. The content of this specification should not be understood as a limitation on the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A baby stroller with a liftable backrest, characterized in that: The utility model comprises a backrest component, a seat component and an armrest component which are coaxially pinned through an interface. The backrest component comprises a backrest unit and a lifting backrest movably arranged on the backrest unit. An adjusting unit cooperating with the lifting backrest is arranged in the backrest unit.

2. A baby stroller with a liftable backrest according to claim 1, characterized in that: The adjustment unit includes a sliding box and sliding sheets arranged on both sides of the sliding box. The sliding sheets are connected to the sliding box through connecting sheets arranged on the sliding box, and the sliding box drives the sliding sheets to slide synchronously. At least one control member is movably arranged in the sliding box, and a positioning member for positioning is extended outward from the side of the control member.

3. A baby stroller with a liftable backrest according to claim 2, characterized in that: The control member is provided with a pressing cavity for controlling pressing, and the control member includes a first control member and a second control member; a spring is provided between the first control member and the second control member, and spring grooves that cooperate with the spring are provided on the inner wall of the first control member and the inner wall of the second control member.

4. A baby stroller with a liftable backrest according to claim 2, characterized in that: The backrest assembly is provided with a limiting groove matched with the sliding box, and the sliding box slides in the limiting groove; the inner walls on both sides of the limiting groove are provided with positioning holes matched with the positioning piece for positioning.

5. A baby stroller with a liftable backrest according to claim 4, characterized in that: The backrest unit comprises a fixing bracket and a backrest plate, both ends of the fixing bracket and the backrest plate are connected to the interface; and the limiting groove is arranged on the back side of the backrest plate.

6. A baby stroller with a liftable backrest according to claim 5, characterized in that: The lifting backrest comprises a lifting bracket and a lifting member pinned to the lifting bracket, and an end of the lifting member is slidably arranged on the fixed bracket.

7. The baby stroller with a liftable backrest according to claim 5, characterized in that: Two ends of the adjustment unit are slidably arranged on the fixed bracket.

8. The baby stroller with a liftable backrest according to claim 6, characterized in that: The two ends of the adjustment unit are respectively plug-connected with the inner wall of the lifting member.

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