Two-hand folding structure of baby carriage

Abstract

The utility model discloses a two-hand folding structure of a baby carriage. The two-hand folding structure comprises a push handle rod, a wheel carrier, a locking piece, a clamping wheel, an adjusting piece and a butt joint rod. The wheel carrier is provided with a rotating joint; the butt joint rod is provided with a rotating head; the clamping wheel is provided with a sliding connection cavity, an inclined face is arranged in the sliding connection cavity, the adjusting piece is provided with an inclined face, and the adjusting piece is installed in the sliding connection cavity so that the inclined faces of the clamping wheel and the adjusting piece can be connected in a matched mode. The push handle rod is provided with a brake cable, and the head of the brake cable penetrates through the butt joint rod to be connected with the adjusting piece. The rotating joint and the rotating head are both provided with clamping tooth positions, the adjusting piece is pulled by the brake cable to be movably connected with the clamping wheel in a pressing mode, and the position of the clamping wheel between the rotating joint and the rotating head is changed through matched sliding of the inclined faces of the clamping wheel and the adjusting piece so as to control the relative rotating state of the butt joint rod and the wheel frame. The design is reasonable; therefore, the device is a product with excellent technical and economical performance.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to a child's car two hands structure of folding up. BACKGROUND

[0002] In modern families, the child's car has become one of indispensable child-rearing tools. With the acceleration of urbanization and the increasingly compact family space, the portability of the child's car is particularly important. Therefore, the child's car with folding function is more and more welcomed by the market. However, when designing the folding structure of the traditional child's car, a complex structure of multiple joints or multiple components is often used, and the user not only wastes time when folding or unfolding the whole car, but also is prone to errors, especially in emergency situations, such inconvenience may be amplified. Therefore, the market urgently needs a child's car folding design that is convenient to operate and can ensure structural stability. UTILITY MODEL CONTENTS

[0003] To solve the problem of folding up the child's car conveniently, the utility model puts forward a new structure scheme, the child's car two hands structure adopts the following technical scheme:

[0004] A child's car two hands structure, it includes push hand rod, wheel frame, locking piece, clamping wheel, adjusting piece, butt joint rod, push hand rod is overall U-shaped, U-shaped push hand rod both sides each inserts butt joint rod, single butt joint rod independently configures locking piece, clamping wheel, adjusting piece, when folding up, the components on both sides of push hand rod are operated simultaneously to realize two hands folding up operation.

[0005] The wheel frame has a rotary joint, the butt joint rod is provided with a rotating head, the rotating head is pivoted to the rotary joint, the adjusting piece and the clamping wheel are arranged between the rotary joint and the rotating head; the clamping wheel is provided with a sliding cavity, the sliding cavity is provided with an inclined surface, the adjusting piece is provided with an inclined surface, the adjusting piece is installed in the sliding cavity, so that the inclined surfaces of the clamping wheel and the adjusting piece are connected in cooperation;

[0006] The push hand rod is inserted into the butt joint rod, and the push hand rod can slide along the butt joint rod to change the extension length of the push hand rod relative to the butt joint rod; the locking piece is installed on the butt joint rod, and the locking piece is movably connected with the push hand rod to limit the extension length of the push hand rod relative to the butt joint rod;

[0007] The push hand rod is provided with a brake wire, the head of the brake wire passes through the butt joint rod and is connected with the adjusting piece; the rotary joint and the rotating head are both provided with a toothed position, the adjusting piece is pulled by the brake wire and is movably pressed with the clamping wheel, the inclined surfaces of the clamping wheel and the adjusting piece are cooperatively slid to change the position of the clamping wheel between the rotary joint and the rotating head, so as to control the relative rotation state of the butt joint rod and the wheel frame.

[0008] Preferably, the clamping wheel extends out a plurality of tooth portions, one of the tooth portions is provided with an open port for the brake wire to enter the sliding cavity and be connected with the adjusting piece.

[0009] Preferably, the rotating head is provided with a shaft core column, the clamping wheel and the adjusting member are both provided with a shaft hole, and the shaft hole is connected with the shaft core column to sleeve the clamping wheel and the adjusting member on the shaft core column.

[0010] Preferably, the end of the butt joint rod is provided with a butt joint head, the butt joint head is provided with a cavity, a locking member is installed in the cavity, the locking member is connected with the butt joint rod, and the front end of the cavity is open to partially expose the locking member.

[0011] Preferably, the butt joint head extends outward to provide a clearance space for the locking member.

[0012] Preferably, the rear end of the locking member extends out a first protruding column, the inner side of the locking member extends out a second protruding column, a spring is sleeved on the first protruding column, and the spring abuts against the clearance space to limit the locking member in the cavity; the push rod is provided with a clamping hole, and the second protruding column is connected with the clamping hole to limit the relative sliding of the butt joint rod and the push rod.

[0013] Preferably, the push rod is provided with an elastic clamping column, the butt joint rod is provided with a position clamping hole, and the elastic clamping column is connected with the position clamping hole to limit the position of the push rod.

[0014] Compared with the background art, the present application has the following beneficial effects:

[0015] To solve the problem of conveniently folding the child's vehicle, the present application provides a child's vehicle folding structure by two hands, and the folding is realized by pressing the locking member to relatively pull the butt joint rod and the push rod, and the butt joint rod and the wheel frame are relatively rotated to realize the folding function. The structure adopts a double-section unlocking design, and the operation is not complicated while ensuring the safety. The structure has the advantages of simple operation, compact cooperation and reasonable design. Therefore, the structure is a product with superior performance in technology and economy. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 The figure is a schematic diagram of the child's vehicle folding structure by two hands in the preferred embodiment of the present application;

[0017] Fig. 2 The figure is a schematic diagram of the first disassembled state of the child's vehicle folding structure by two hands in the preferred embodiment of the present application;

[0018] Fig. 3 The figure is a schematic diagram of the second disassembled state of the child's vehicle folding structure by two hands in the preferred embodiment of the present application;

[0019] Fig. 4 The figure is a schematic diagram of the position of the rotating head in the preferred embodiment of the present application;

[0020] Fig. 5 The figure is a schematic diagram of the position of the butt joint head in the preferred embodiment of the present application;

[0021] Fig. 6 This is a schematic diagram of the snap-fit ​​wheel in a preferred embodiment of the present invention.

Detailed Implementation Methods

[0022] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

[0023] In this utility model, unless otherwise explicitly specified and limited, the terms "assembly," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can also refer to a mechanical connection; they can refer to a direct connection or a connection through an intermediate medium; or they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] The following description, in conjunction with the accompanying drawings, further illustrates specific embodiments of the present invention, making the technical solution and beneficial effects of the present invention clearer and more explicit. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0025] The preferred embodiment provided by this utility model is as follows: Figs. 1-6 As shown, a two-hand folding structure for a children's stroller includes a push handle 1, a wheel frame 2, a locking component 3, a locking wheel 4, an adjusting component 5, and a connecting rod 6. The push handle 1 is U-shaped, and a connecting rod 6 is inserted into each side of the U-shaped push handle. Each connecting rod is independently equipped with a locking component, a locking wheel, and an adjusting component. When folding the stroller, the components on both sides of the push handle are operated simultaneously to achieve two-hand folding operation.

[0026] Taking a single-sided connection structure as an example, the same applies to the other side: the wheel frame 2 has a rotary joint 21, the docking rod 6 has a rotating head 61, the rotating head 61 is pivotally connected to the rotary joint 21, the adjusting member 5 and the locking wheel 4 are located between the rotary joint 21 and the rotating head 61; the locking wheel 4 has a sliding cavity 41, the sliding cavity 41 has an inclined surface 42, the adjusting member 5 has an inclined surface 42, and the adjusting member 5 is installed in the sliding cavity 41 so that the inclined surfaces 42 of the locking wheel 4 and the adjusting member 5 are connected in a cooperative manner;

[0027] The docking rod 6 is hollow for the insertion of the push rod 1, the end of the docking rod has an opening for the brake cable to pass out, and the push rod 1 can slide along the docking rod 6 to change the extension length of the push rod 1 relative to the docking rod 6; the locking piece 3 is installed on the docking rod 6, and the locking piece 3 is movably connected with the push rod 1 to limit the extension length of the push rod 1 relative to the docking rod 6; the push rod 1 is provided with an elastic clamping column 11, which adopts the existing structure of convex strip and spring connection, and the docking rod 6 is provided with a positioning clamping hole 62, the elastic clamping column 11 and the positioning clamping hole 62 are connected to limit the position of the push rod 1, so as to lock the extension amount of the push rod 1.

[0028] The push rod 1 is provided with a brake cable (not marked in the figure, which adopts the existing brake cable for baby strollers), the head of the brake cable passes through the docking rod 6 and is connected with the adjusting piece 5, the adjusting piece 5 is provided with a buckling position 51 for clamping the head of the brake cable; the rotating joint 21 and the rotating head 61 are both provided with a clamping tooth position 22, the adjusting piece 5 is movably pressed with the clamping wheel 4 by the brake cable, the clamping wheel 4 and the adjusting piece 5 are slidably connected through the inclined surfaces 42 of the two, the position of the clamping wheel 4 between the rotating joint 21 and the rotating head 61 is changed, the connection state of the clamping wheel 4 and the two clamping tooth positions 22 is adjusted, and the relative rotation state of the docking rod 6 and the wheel frame 2 is controlled.

[0029] The clamping wheel 4 extends a plurality of tooth portions 43, one of which is provided with an open port 44 for the brake cable to enter the sliding connection cavity 41 and be connected with the adjusting piece 5; the tooth portions 43 are arranged around the clamping wheel 4, and the number of the tooth portions 43 corresponds to the number of the clamping tooth positions 22. The back of the clamping wheel 4 is provided with a hole position 45, a spring is built in the hole position 45, one end of the spring abuts against the rotating head 61 to push the clamping wheel 4 back.

[0030] The rotating head 61 is provided with a shaft core column 23, the clamping wheel 4 and the adjusting piece 5 are both provided with a shaft hole 46, the shaft hole 46 and the shaft core column 23 are connected to sleeve the clamping wheel 4 and the adjusting piece 5 on the shaft core column 23, so that the clamping wheel 4 and the adjusting piece 5 can rotate around the shaft core column 23 as the center.

[0031] The end of the docking rod 6 is provided with a docking head 63, the rotating head 61 and the docking head 63 are respectively located at two ends of the docking rod 6, the docking head 63 is provided with a cavity 64, the locking piece 3 is installed in the cavity 64, the locking piece 3 penetrates the docking rod 6, the front end of the cavity 64 is open to partially expose the locking piece 3 for easy pressing. The docking head 63 extends an avoidance position 65 outward to provide a moving space for the locking piece 3. The rear end of the locking piece 3 extends a first convex column 31, the inner side of the locking piece 3 extends a second convex column 32, the first convex column 31 is sleeved with a spring, and the spring abuts against the avoidance position 65 to limit the locking piece 3 in the cavity 64, and to push the locking piece back; the push rod 1 is provided with a clamping hole 12, the second convex column 32 and the clamping hole 12 are connected to limit the relative sliding of the docking rod 6 and the push rod 1.

[0032] Principle of action: the push rod 1 is inserted into the butt rod 6, and both rotate together; in the initial state, the tooth part 43 of the clamping wheel 4 is embedded into the clamping tooth position 22 of the rotary joint 21 and the rotating head 61, and the butt rod 6 cannot rotate relative to the wheel frame 2. When it is needed to unlock the rotating butt rod 6, the locking member 3 is pressed to move the locking member 3 to the empty position 65, at this time, the second protruding column 32 moves backward to be separated from the clamping hole 12, and the push rod 1 and the butt rod 6 can slide relative to each other. The push rod 1 is pulled out, the adjusting member 5 is moved to the open port 44, the inclined surface 42 of the adjusting member 5 and the clamping wheel 4 slides relative to each other, so that the clamping wheel 4 is pressed to the rotating head 61, and the clamping wheel 4 is separated from the clamping tooth position 22 of the rotary joint 21, at this time, the butt rod 6 can rotate, and the parking function is realized.

[0033] In the description of the specification, the description of the terms "one embodiment", "preferably", "example", "specific 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, and the illustrative description of the above terms in the specification does 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.

[0034] Through the above description of the structure and principle, those skilled in the art should understand that the utility model is not limited to the above specific embodiments, and improvements and replacements of the technology known in the art based on the utility model fall within the protection scope of the utility model, which should be limited by each claim.

Claims

1. A two-hand folding structure for a children's stroller, characterized in that: It includes a push rod, wheel frame, locking components, locking wheels, adjusting components, and connecting rod; The wheel frame has a rotary joint, the docking rod has a rotating head, the rotating head is pivotally connected to the rotary joint, the adjusting component and the locking wheel are located between the rotary joint and the rotating head; the locking wheel has a sliding cavity, the sliding cavity has an inclined surface, the adjusting component has an inclined surface, and the adjusting component is installed in the sliding cavity so that the inclined surfaces of the locking wheel and the adjusting component are engaged and connected. The push rod is inserted into the docking rod and can slide along the docking rod to change the extension length of the push rod relative to the docking rod; the locking member is installed on the docking rod and is movably connected to the push rod to limit the extension length of the push rod relative to the docking rod. The push rod is equipped with a brake cable, the head of which passes through the docking rod and connects to the adjusting component. Both the rotary joint and the rotating head are equipped with locking teeth. The adjusting component is pulled by the brake cable and presses against the locking wheel. By sliding the inclined surfaces of the locking wheel and the adjusting component together, the position of the locking wheel between the rotary joint and the rotating head is changed to control the relative rotation state of the docking rod and the wheel frame.

2. The two-hand folding structure for a children's stroller according to claim 1, characterized in that: The locking wheel extends out with several teeth, one of which has an opening to allow the brake cable to enter the sliding cavity and connect with the adjusting component.

3. The two-hand folding structure for a children's stroller according to claim 1, characterized in that: The rotating head is equipped with a core column, and the locking wheel and adjusting component are both equipped with shaft holes. The locking wheel and adjusting component are connected to the core column through the shaft holes to fit onto the core column.

4. The two-hand folding structure for a children's stroller according to claim 1, characterized in that: The end of the connecting rod is provided with a connecting joint, which has a cavity. A locking element is installed in the cavity and passes through the connecting rod. The front end of the cavity is open to allow the locking element to be partially exposed.

5. The two-hand folding structure for a children's stroller according to claim 4, characterized in that: The connector extends outward to provide clearance for the locking mechanism to move.

6. The two-hand folding structure for a children's stroller according to claim 1, characterized in that: The rear end of the locking member extends into a first protrusion, and the inner side of the locking member extends into a second protrusion. The first protrusion is fitted with a spring, and the spring abuts against the clearance position to restrict the locking member from being located in the cavity. The push rod is provided with a locking hole, and the second protrusion engages with the locking hole to restrict the relative sliding of the connecting rod and the push rod.

7. The two-hand folding structure for a children's stroller according to claim 1, characterized in that: The push rod is equipped with a flexible locking post, and the connecting rod is equipped with an adjustment locking hole. The position of the push rod is limited by the cooperation between the flexible locking post and the adjustment locking hole.

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