CN204713172U - Folding children's go-cart - Google Patents

Abstract

The utility model discloses a foldable children's pushcart. A brace is connected between two left and right side brackets of the frame. The connecting rod is a second connecting rod that can move along the axial direction of the rotating shaft. The second connecting rod has a lock block that is detachably connected with the first connecting rod. The first connecting rod and the second connecting rod are connected to the two side brackets respectively. When the frame is in the open state, the first connecting rod and the second connecting rod are relatively opened and form a straight line extending in the left and right directions. The lock block is connected with the first connecting rod. When the frame is in the folded state , the first connecting rod and the second connecting rod are relatively retracted, and the lock block is separated from the first connecting rod. The utility model folds the children's stroller, wherein the bracket connected between the left and right side brackets cancels the structure of the original left and right connecting rods + locking pieces, and the main components are only two connecting rods, which makes the appearance more concise and the operation more convenient. Simple.

Description

folding stroller

technical field

The utility model relates to a folding stroller for children.

Background technique

Folding baby stroller is a more commonly used product for infants and young children. The in-line bracket is a more commonly used bracket on folding strollers. It can be folded to achieve the effect that the stroller can be folded in the left and right directions. When it is unfolded, it is in the shape of a line. As shown in accompanying drawing 1 and accompanying drawing 2, the inline bracket in the prior art, it comprises the first connecting rod 1 and the second connecting rod 2 that are rotatably connected by the rotating shaft 3, can be relative to the first connecting rod 1 in The locking piece 8 for the axial movement of the rotating shaft 3, and the first connecting rod 1 has a pedal 7 that limits the rotation between the locking piece 8 and the first connecting rod 1 around the rotating shaft 3, and the first connecting rod 1 and the second connecting rod 2 They are respectively rotatably connected to the side brackets located at the left and right sides of the vehicle frame. The locking piece 8 has a hook 81 detachably connected to the second connecting rod 2. When the vehicle frame is in an open state, the hook 81 and the second connecting rod The two connecting rods 2 are connected, and when the vehicle frame is in the folded state, the hook 81 is separated from the second connecting rod 2 . When the bracket is folded, the locking piece 8 is pulled axially to disengage the hook 81 from the second connecting rod 2, and then the first connecting rod 1 and the second connecting rod 2 are rotated to make them close together. This bracket has a locking piece, and its structure is relatively complicated.

Contents of the invention

In order to solve the above problems, the purpose of this utility model is to provide a folding stroller for children.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a foldable children's stroller, which includes a frame that can be opened and folded, and wheels installed at the bottom of the frame. Two side brackets, a bracket is connected between the two side brackets, the bracket includes a first connecting rod, a second connecting rod that is rotatably connected with the first connecting rod through a rotating shaft, and can move along the axial direction of the rotating shaft with the first connecting rod. Two connecting rods, the second connecting rod has a lock block detachably connected with the first connecting rod, and the first connecting rod and the second connecting rod are respectively rotatably connected with the two side brackets, when the vehicle frame is in an open state , the first connecting rod and the second connecting rod are relatively open and form a straight shape whose length extends along the left and right directions. The lock block is connected with the first connecting rod. When the frame is in the folded state, the first connecting rod and the second connecting rod Relatively retracted, the lock block is separated from the first connecting rod, and the bracket also includes a limiting mechanism for keeping the lock block connected to the lock hole.

The utility model folds the stroller for children, wherein the bracket connected between the left and right side brackets cancels the structure of the original left and right connecting rods + locking pieces, and the main components are only two connecting rods. When folding, move and rotate one of the connecting rods (although there is only a rotating connection between the connecting rod and the side bracket, but relying on the elasticity of its material itself, it can move for a short distance at the connection of the two connecting rods), so that The lock block and = are separated from the first connecting rod to complete the folding; when opening, gently step on the support to make the two connecting rods rotate relative to each other, so that the lock block is connected with the first connecting rod, and the opening action is completed and locked bracket.

Further, the first connecting rod is provided with a lock hole detachably inserted into the lock block. When the vehicle frame is in the open state, the lock block is inserted into the lock hole. When the vehicle frame is in the folded state, the lock block out of the keyhole.

Further, the limiting mechanism includes an elastic member for making the first connecting rod and the second connecting rod approach each other in the axial direction of the rotating shaft.

Furthermore, the elastic member can be telescopically sleeved on the rotating shaft along the axial direction of the rotating shaft.

Furthermore, one end of the rotating shaft has a limiting portion, the elastic member is located between one of the first connecting rod and the second connecting rod and the limiting portion, and the elastic member is located on the same side of the first connecting rod and the second connecting rod. side.

Furthermore, the second connecting rod is located in front of the first connecting rod, and the elastic member is located in front of the second connecting rod.

Further, the lock block has a slope that can slide against and disengage from the first connecting rod. When one end of the slope is against the first connecting rod, the axis of the rotating shaft between the first connecting rod and the second connecting rod Relatively close upward, when the other end of the inclined plane abuts against the first connecting rod, the first connecting rod and the second connecting rod are relatively far apart in the axial direction of the rotating shaft.

Furthermore, the slope is located on the lower side of the locking block.

Further, the first connecting rod or the second connecting rod has a pedal that can be used to limit the rotation direction between the first connecting rod and the second connecting rod.

Furthermore, the pedal is fixedly connected to one of the first connecting rod and the second connecting rod, and when the vehicle frame is in an open state, the pedal abuts against the upper surface of the other of the first connecting rod and the second connecting rod .

Further, the center line of the locking hole is parallel to the axis line of the rotating shaft, and is arranged along the front-rear direction.

Further, the lock block and the second connecting rod are integrally formed.

Due to the adoption of the above-mentioned technical scheme, the foldable children's stroller of the present invention cancels the structure of the original left and right connecting rods + locking pieces for the bracket connected between the left and right side brackets, and the main components are only two connecting rods, so that The appearance is simpler and the operation is easier.

Description of drawings

Accompanying drawing 1 is a schematic diagram of the bracket structure of the foldable children's stroller in the background technology of the utility model, wherein the hook is connected with the second connecting rod;

Accompanying drawing 2 is a schematic diagram of the bracket structure of the foldable children's stroller in the background technology of the utility model, wherein the hook is separated from the second connecting rod;

Accompanying drawing 3 is the structural representation of the foldable children's stroller of the present invention when the vehicle frame is in an open state;

Accompanying drawing 4 is the structural diagram of the foldable children's stroller of the present invention when the vehicle frame is in an open state, and its angle is different from that in accompanying drawing 3;

Accompanying drawing 5 is a schematic diagram of the brace structure of the utility model folding children's stroller, wherein, the lock block is connected with the lock hole;

Accompanying drawing 6 is a schematic diagram of the bracket structure of the folding children's stroller of the present invention, wherein the lock block is separated from the lock hole.

The labels in the figure are:

1. First connecting rod; 2. Second connecting rod; 3. Rotating shaft; 31. Limiting part; 4. Lock hole; 5. Locking block; 51. Slope; 6. Elastic member; 7. Pedal; 8. Lock piece; 81, hook; 9, side support; 10, wheel.

Detailed ways

The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

As can be seen from the structural diagrams of accompanying drawings 3 to 6, the present embodiment provides a foldable children's stroller, which includes an openable and foldable vehicle frame, wheels 10 installed at the bottom of the vehicle frame, and the vehicle frame includes There are two side supports 9 located at the left and right sides of the side support, and a brace is connected between the two side supports 9 . The vehicle frame in this embodiment can be any structure that can be folded in the left and right directions in the prior art.

The bracket includes a first connecting rod 1, a second connecting rod 2 that is rotatably connected with the first connecting rod 1 through a rotating shaft 3 and can move axially with the first connecting rod 1 along the rotating shaft 3, on the first connecting rod 1 A lock hole 4 is provided, and the second connecting rod 2 has a lock block 5 detachably inserted into the lock hole 4. The lock block 5 is integrally formed with the second connecting rod 2. The first connecting rod 1 and the second The connecting rods 2 are respectively rotatably connected with the two side brackets 9. When the vehicle frame is in the opened state, the first connecting rod 1 and the second connecting rod 2 are relatively opened to form a straight line whose length extends along the left and right directions. The locking block 5 and the The lock holes 4 are plugged together. When the vehicle frame is in the folded state, the first link 1 and the second link 2 are relatively retracted, and the lock block 5 is separated from the lock hole 4. The limit mechanism connected with the lock hole 4.

The center line of the locking hole 4 is parallel to the axis line of the rotating shaft 3 and arranged along the front and rear directions.

The limiting mechanism in this embodiment includes an elastic member 6 for making the first connecting rod 1 and the second connecting rod 2 approach each other in the axial direction of the rotating shaft 3 . Specifically, the elastic member 6 is a compression spring, which can be telescopically sleeved on the rotating shaft 3 along the axial direction of the rotating shaft 3 . Both ends of the rotating shaft 3 have stoppers 31, the elastic member 6 is located between one of the first link 1 and the second link 2 and the stopper 31, and the elastic member 6 is located between the first link 1 and the second link 2. The same side of the two connecting rods 2. When the vehicle frame is in an open state, the first link 1 and the second link 2 are always kept close to each other under the action of the elastic member 6 , so that the lock block 5 is kept connected with the lock hole 4 .

In a more preferred embodiment, the second connecting rod 2 is located in front of the first connecting rod 1 , and the elastic member 6 is located in front of the second connecting rod 2 . Since the person stands behind the frame, the action of pushing forward is more convenient to apply force. Therefore, such a position setting facilitates the operation when folding the frame, that is, pushes the second connecting rod 2 forward to overcome the action of the elastic member 6 The force makes the second connecting rod 3 move away from the first connecting rod 1 in the axial direction of the rotating shaft 3 , so that the locking block 5 disengages from the locking hole 4 .

The locking block 5 has an inclined surface 51 that can slide against and disengage from the first connecting rod 1 . When one end of the inclined surface 51 abuts against the first connecting rod 1 , there The first connecting rod 1 and the second connecting rod 2 are relatively far away from each other in the axial direction of the rotating shaft 3 when the other end of the slope 51 abuts against the first connecting rod 1 . During the transition of the vehicle frame from the folded state to the open state, the first link 1 and the second link 2 rotate relative to each other. When the slope 51 contacts the first link 1, the first link 1 and the second link 1 The connecting rods 2 continue to rotate relative to each other, and the slope 51 slides relative to the first connecting rod 1 so that the first connecting rod 1 and the second connecting rod 2 are relatively far away from each other in the axial direction of the rotating shaft 3. When the two connecting rods 2 move to correspond to the position of the lock hole 4 , they enter the lock hole 4 under the action of the elastic member 6 . Through the function of the inclined surface 51, when the vehicle frame is opened, it only needs to be rotated, and there is no need to push forward or pull backward.

In this embodiment, when the vehicle frame is in the folded state, an angle with the opening facing downward is formed between the first connecting rod 1 and the second connecting rod 2, that is, when the vehicle frame is opened, the first connecting rod 1 and the second connecting rod 2 The inner ends of the second connecting rod 2 are turned downwards. During the folding process of the vehicle frame, the inner ends of the first connecting rod 1 and the second connecting rod 2 are turned upwards. This arrangement is convenient for opening and folding. When personnel operate and apply force. Therefore, the slope 51 is located on the lower side of the lock block 5 .

The first connecting rod 1 or the second connecting rod 2 has a pedal 7 that can be used to limit the rotation direction between the first connecting rod 1 and the second connecting rod 2 . The pedal 7 in this embodiment is fixedly connected to the inner end of the second link 2. When the vehicle frame is in the open state, the pedal 7 is against the upper surface of the first link 1, thereby limiting the connection between the first link 1 and the first link 1. Continue to rotate upwards between the second connecting rod 2 . In addition to limiting the relative rotational positional relationship between the two connecting rods, the pedal 7 also has the function of assisting the opening and folding operations. Preferably, the pedal 7 extends backwards to facilitate people to step on when opening and folding.

In this folding stroller, when folding, the pedal 7 is pushed forward so that the second connecting rod 2 overcomes the force of the elastic member 6 and moves forward until the lock block 5 and the lock hole 4 are disengaged (between the second connecting rod 2 and the side bracket 9 ). Although there is only a rotation relationship between them, there is no movement relationship, but when the second connecting rod 2 is pushed, the second connecting rod 2 can move at the connection between it and the first connecting rod 1 by virtue of the elasticity of its material), and then lift the pedal 7 , so that the inner ends of the two connecting rods are rotated upwards, so that the first connecting rod 1 and the second connecting rod 2 are close to each other, and the left and right side brackets are driven close to each other, thereby achieving the folding of the vehicle frame in the left and right direction Effect. When opening, gently step on the pedal 7 to make the inner ends of the two connecting rods rotate downwards. Under the action of the slope 51 of the locking block 5, the locking block 5 will not hinder the mutual rotation between the two connecting rods. , the first link 1 and the second link 2 are opened to each other until the lock block 5 enters the lock hole 4 to complete the opening action and lock the bracket.

The front, back, left, and right directions in this application are defined according to the normal use habits of the stroller. When the stroller is being pushed normally, the forward direction is the front, the backward direction is the rear, and the left and right sides are respectively the left and right directions.

The utility model folds the children's stroller, wherein the bracket connected between the left and right side brackets cancels the structure of the original left and right connecting rods + locking pieces, and the main components are only two connecting rods, which makes the appearance more concise and the operation more convenient. Simple.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to enable those familiar with this technology to understand the content of the present utility model and implement it accordingly, and not to limit the protection scope of the present utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (10)

1. A foldable children's stroller, which includes an openable and foldable frame, wheels (10) installed at the bottom of the frame, and the frame includes two side brackets located on the left and right sides of the stroller (9), there is a bracket connected between the two side brackets (9), and it is characterized in that: the bracket includes a first connecting rod (1), and the first connecting rod (1) passes through A rotating shaft (3) is rotatably connected with the first connecting rod (1) and a second connecting rod (2) that can move axially along the rotating shaft (3), and the second connecting rod (2) has A lock block (5) detachably plugged with the first connecting rod (1), the first connecting rod (1) and the second connecting rod (2) are respectively connected with the two side brackets (9) When the frame is in the open state, the first link (1) and the second link (2) are relatively opened and form a straight line whose length extends along the left and right directions. The lock block (5) and the first link (1) are connected, when the frame is in the folded state, the first link (1) and the second link (2) are relatively retracted, and the lock block (5) is separated from the first link (1), the The bracket also includes a limit mechanism for keeping the lock block (5) connected to the first connecting rod (1). 2. The foldable baby stroller according to claim 1, characterized in that: the first connecting rod (1) is provided with a lock hole (4) detachably connected to the lock block (5), When the vehicle frame is in the open state, the lock block (5) is inserted into the lock hole (4), and when the vehicle frame is in the folded state, the lock block (5) is separated from the lock hole (4). 3. The folding stroller for children according to claim 1, characterized in that: the limit mechanism includes a shaft for making the first connecting rod (1) and the second connecting rod (2) align with the rotating shaft (3). Elastic pieces (6) that move upward toward each other. 4. The folding stroller for children according to claim 3, characterized in that: the elastic member (6) can be telescopically sleeved on the rotating shaft (3) along the axial direction of the rotating shaft (3). 5. The folding stroller for children according to claim 4, characterized in that: the end of the rotating shaft (3) has a limiting part (31), and the elastic member (6) is located on the first connecting rod (1 ) and one of the second connecting rod (2) and the limiting part (31), and the elastic member (6) is located on the same side of the first connecting rod (1) and the second connecting rod (2). 6. The foldable baby stroller according to claim 3, characterized in that: the second link (2) is located in front of the first link (1), and the elastic member (6) is located in the second link ( 2) Front. 7. The foldable baby stroller according to claim 1, characterized in that: the lock block (5) has a slope (51) that can slide against and disengage from the first connecting rod (1), when the When one end of the inclined plane (51) touches the first connecting rod (1), the first connecting rod (1) and the second connecting rod (2) are relatively close to each other in the axial direction of the rotating shaft (3). When the other end of (51) abuts against the first connecting rod (1), the first connecting rod (1) and the second connecting rod (2) are relatively far apart in the axial direction of the rotating shaft (3). 8. The folding stroller for children according to claim 7, characterized in that: the slope (51) is located on the lower side of the locking block (5). 9. The foldable baby stroller according to claim 1 or 7, characterized in that: the first link (1) or the second link (2) has a device that can be used to limit the first link (1) ) and the pedal (7) in the direction of rotation between the second link (2). 10. The foldable baby stroller according to claim 9, characterized in that: the pedal (7) is fixedly connected to one of the first link (1) and the second link (2), and when When the vehicle frame is in an open state, the pedal (7) abuts against the upper surface of the other of the first connecting rod (1) and the second connecting rod (2).