JP3063135U - Stopper maintenance device for baby car - Google Patents

Abstract

(57) [Summary] [PROBLEMS] The rear wheel (31) can be maintained in a stopped state and released by simply moving the pedal (2), without damaging the toes or toes of the shoe. To provide a stopped state maintenance device (1) for a stroller (B), which does not require any trouble to buckle, has a simple structure, is easy to assemble, and is lightweight. SOLUTION: A stop operation part (4) and a release operation part (5) are arranged on a top surface and a rear part of a pedal (2) in a direction that can be pushed from behind, and the stop operation part (4) or release from the rear is provided. By pushing the operation part (5), the pedal (2) swings in the stop operation direction (L) and the release operation direction (F), respectively, and the engagement rib formed on the side surface of the rear wheel (31) is formed. The locking body (8) is engaged with (35) to prevent the rear wheel (31) from rotating.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a stroller stop state maintaining device that is mounted on a rear wheel of a stroller and maintains and stops the stroller.

[0002]

[Prior art]

 In the conventional stroller stop state maintaining device, on the side surface of the rear wheel of the stroller, a rib having an engagement rib protruding only in a certain area around the axle is formed radially (hereinafter, the engagement rib is formed). A region having an operating portion at an end thereof is swingably mounted on a rear wheel. When the operating portion is depressed to swing the pedal, the locking body enters the engagement area and the locking body engages with the rib. When the pedal is returned, the locking body engages in the engagement area. The stroller is disengaged by releasing the stroller, and the stroller is kept stopped and released.

[0003]

[Problems to be solved by the invention]

 However, in the above-mentioned conventional stop state maintaining device for a stroller, the stop state is maintained and released by depressing and raising the operation unit, so that when the stop state is maintained, the operation unit is depressed with a foot. On the other hand, when releasing the stop state, the operation must be done by lifting the operation part with the toes of the feet or the hand, so that the toes or upper of the shoes will be damaged, and if bare feet, the toes will hurt. There is a problem. In addition, each time a hand was lifted, it was necessary to bend the body, which caused mental resistance to gripping the pedals on the road where dust or mud had adhered.

[0004] Therefore, the present invention provides a stroller that can be maintained and released only by a pushing operation on a pedal, so that the stroller can be bent without damaging the toes or upper of the shoe. It is therefore an object of the present invention to provide a lightweight stroller maintenance device for a stroller which eliminates the need for a simple structure, facilitates assembly in a manufacturing process, and is lightweight.

[0005]

[Means for Solving the Problems]

 The present invention has been made in order to solve the above-mentioned problem, and has an engagement rib formed radially around an axle on a side surface of a rear wheel attached to a leg frame of a stroller. In addition, a pedal having a locking member protruding from the engaging rib is swingably supported by the leg frame so that the locking member advances and retreats to the engagement area. In a stop state maintaining device for a stroller that controls rotation of a rear wheel by engagement and disengagement with a mating rib, a pedal is formed into a bell crank shape when viewed from a side, and a stop operation part which is stepped downward and is connected to the stop operation part. Forming a release operation part that steps forward, pushing the stop operation part or release operation part from behind the stroller, the pedal swings in the stop operation direction or release operation direction, and the pedal engages with the locking body in the engagement area. Engage or disengage with the engagement rib Basic to the stop state maintaining apparatus beaker.

[0006] Further, an operation body slidably supported in a vertical direction with respect to a leg frame of the rear wheel is connected to a stop operation unit or a release operation unit of a pedal formed straight and supported in a seesaw state, When the push operation of the stop operation unit or the release operation unit or the push operation of the operating body connected thereto is performed, the pedal swings in the stop operation direction or the release operation direction according to the respective push operation. Alternatively, the engagement rib and the locking body may be engaged or disengaged in the engagement area.

Further, an axle holder for supporting the axle, and a fixing recess formed on one of the pedals pivotally supported by the axle holder, a stop recess and a release recess formed on the other. The engagement or disengagement state between the engagement rib in the engagement area and the locking body may be maintained by fitting with one.

[0008]

[Effect of the invention]

 According to the stop state maintaining device for the stroller (B) according to the present invention described above, the stroller (B) in which the engagement rib (35) of the engagement area (E) and the locking body (8) are engaged. ) Can be operated by stepping on the stop operation part (4) and the release operation part (5) with the foot, and the operation can be performed without using the toe or instep of the foot, regardless of whether the stop state is maintained or released. Can be. Therefore, it can be operated without using hands without damaging the toes or upper of the shoes, so there is no need to bend over and the hands are not stained.

An operation body (21) slidable in the vertical direction with respect to the leg frame (11) of the rear wheel (31) is connected to the stop operation part (4) or the release operation part (5). The operation is simplified by pushing the button down, and the position to be operated is clearly distinguished between stop and release, so that erroneous operation can be reduced and the stroller (B) can be reliably stopped to enhance safety. be able to.

[0010] Further, a fixing concave portion (10) formed on either the pedal (2) or the axle holder (12) has a stopping concave portion (14) and a releasing concave portion (15) formed on the other side. Inadvertent swinging of the pedal (2) is prevented by engaging with one of the two to ensure that the engagement or disengagement of the engagement rib (35) and the locking body (8) is maintained. And the safety of the stroller (B) can be further improved.

[0011] Further, the stopped state maintaining device for the stroller (B) has a small number of components, is easily assembled, and is very lightweight because it is directly mounted near the rear wheel (31). The increase in weight of the stroller (B) can be minimized.

[0012] As described above, the stroller (B) can be maintained in the stopped state and released by only pushing operation on the pedal, and the body can be bent without damaging the toes or the upper of the shoe. A stopped state maintaining device for a stroller (B) which does not require any trouble, has a simple structure, is easy to assemble in a manufacturing process, and is lightweight.

[0013]

Embodiments and Examples of the Invention

 (Embodiment 1) A stop state maintaining device (1) for a stroller (B) according to a first embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view from the back of the stroller (B). FIG. 3 is a perspective view of the stopped state maintaining device (1) with a part of the rear wheel (31) omitted, FIG. 3 is a side view of the stopped state maintaining device (1) in a stopped state, and FIG. As shown in FIG. 1, the stopped state maintaining device (1) is provided on the left rear wheel and the right rear wheel of the stroller (B), and the stopped state maintaining device (1) for the left rear wheel and the right rear wheel is provided. ) Are operated independently.

As shown in FIG. 2, the stop state maintaining device (1) includes an engagement rib (35) formed on a rib (34) of a rear wheel (31) and an axle for holding an axle (36). The vehicle comprises a holding body (12) and a pedal (2) pivotally mounted on the axle holding body (12) and swinging in a direction perpendicular to the axle (36).

As shown in FIGS. 2 to 4, the rear wheel (31) comprises a disc-shaped wheel (32) made of synthetic resin and a synthetic rubber tire (33) mounted around the wheel. The diameter of the wheels (31) is about 14 cm, the distance between the rear wheels (31) attached to both ends of the axle (36) is about 13 cm, and put your feet between the rear wheels (31) with shoes on be able to.

A rib (34) is formed inside the wheel (32) from a boss (32a) that supports the axle (36), and the rib (34) is formed around the axle (36). With the area having a diameter of 5 cm as an engagement area (E), an engagement rib (35) is protruded from the upper surface of the rib (34) so as to protrude higher than the surface of the wheel (32).

Next, the axle holder (12) is made of synthetic resin and is mounted on the tip of a leg frame (11) supporting the stroller (B). An axle (36) on which wheels (31) are mounted is rotatably supported, and a pivot hole (13) for pivotally mounting a pedal (2) is formed above the axle (36). ing.

Further, on both sides of the axle holder (12), a stop recess () for maintaining a stopped state and a released state of the pedal (2) when the pedal (2) described later is swung. 14) and a release concave portion (15) are formed on the same circumference around the pivot hole (13).

As shown in FIGS. 2 to 4, the pedal (2) has a bell crank shape when viewed from the side, and has an axle holder (12) A side wall (3) is formed by securing a straddling space corresponding to the width of the axle, and the side wall (3) is provided with a pivot hole corresponding to a pivot hole (13) provided in the axle holder (12). A hole (6) is drilled, a stop operation part (4) for further depressing the pedal (2) is extended, and the stop operation is provided above a swing shaft (9) of the pedal (2). A release operation section (5) is provided, which is stepped forward from the section (4).

Further, a locking member support portion (7) is formed downward between the pivot hole (6) and the stop operation portion (4), and is provided on both sides of the locking member support portion (7). A locking body (8) heading toward the rear wheel (31) is protruded in parallel with the axle (36), and the length of the locking body (8) is protruded from a rib (34). The length is such that it engages with the engagement rib (35) but does not engage with the rib (34) outside the engagement area (E).

The inner surface of the side wall (3) of the pedal (2) has fixing portions corresponding to the stopping recess (14) and the releasing recess (15) formed on both side surfaces of the axle holder (12). When the pedal (2) is rocked to be in the stopped state or the released state, the fixing convex part (10) is provided with the stopping concave part (14) or the releasing concave part (10). Mates with 15).

Then, the pedal (2) is straddled on the axle holder (12), and the pivot hole (6) of the side wall (3) of the pedal (2) and the axle holder (12) are pivoted. The support hole (13) is pivotally mounted on the pivot shaft (9), and the pedal (2) is pivotally pivotally mounted on the axle holder (12).

Next, the use of the stroller (B) stop state maintaining device (1) will be described. First, as shown in FIG. 3, in a state where the stroller (B) is stopped, the stop operation section of the pedal (2) is operated. When the button (4) is pressed downward, the pedal (2) swings in the stop operation direction (L).

Then, the locking body (8) formed on the pedal (2) swings around the swing shaft (9) and approaches the axle (36), and the locking body (8) Enters the engagement area (E) of the rear wheel (31), the engagement rib (35) formed on the rib (34) and the locking body (8) engage, and the rear wheel (3 1 ) Is prevented from rotating in the front-rear direction, and the stroller (B) is kept stopped.

In the stopped state in which the locking body (8) and the engaging rib (35) are engaged, the fixing projection (10) formed on the pedal (2) is formed on the axle holder (12). Fits into the stop recess (14), and the elasticity of the synthetic resin material of the pedal (2) fixes the pedal (2) to prevent inadvertent swinging, ensuring that the stroller (B) stops. Is maintained.

Next, when the stroller is released and the stroller (B) is moved, when the pedal (2) is pressed downward with respect to the release operation portion (5), the fixing protrusion of the pedal (2) is pressed. The part (10) is elastically deformed and comes out of the stopping recess (14) of the axle holder (12), and the pedal (2) swings in the releasing operation direction (F) to release the locking body (8). The rear wheel (31) disengages from the engagement area (E) and is disengaged.

Then, the fixing projection (10) of the pedal (2) is fitted with the release recess (15) of the axle holder (12), and the pedal (2) is maintained in the released state. ) To prevent the pedal (2) from inadvertently swinging due to vibration during traveling, and to prevent the danger of the stroller (B) suddenly stopping.

(Embodiment 2) Next, the stroller (B) stop state maintaining device (1) of Embodiment 2 according to the present invention will be described with reference to the drawings. FIG. FIG. 3 is a perspective view of the state maintaining device (1), which is mounted on a left rear wheel and a right rear wheel of the stroller (B).

The stop state maintaining device (1) includes an engagement rib (35) formed on a rib (34) of a rear wheel (31), an axle holder (12) for holding an axle (36), and It consists of a pedal (2) that is mounted on the axle holder (12) and is mounted on the axle, and swings in a direction perpendicular to the axle (36), and an operating body (21) connected to the pedal (2). Since the axle holder (12) and the rear wheel (31) are the same as those in the stroller (B) stop state maintaining device (1) of the first embodiment, the description thereof will be omitted.

First, as shown in FIG. 5, the pedal (2) is provided with an interval corresponding to the width of the axle holder (12) and a release operation portion (5) on the side wall (3) and its front portion. ) Is formed straight, and a support hole (5a) for connecting and supporting the operation body (21) is formed in the release operation section (5).

A stop operating portion (4) extends behind the pedal (2), and a locking member supporting portion (4) is provided between the stop operating portion (4) and the pivot hole (6). 7) is formed, and a locking body (8) similar to that of the first embodiment is provided on both sides of the locking body support (7) so as to project in parallel with the axle (36).

The side wall (3) is provided with a pivot hole (6) corresponding to a pivot hole (13) provided in the axle holder (12), and is formed on the inner surface of the side wall (3). The locking projection (10) corresponding to the stopping recess (14) and the releasing recess (15) formed on both sides of the axle holder (12) protrudes, and swings the pedal (2). When it is moved to the stop state or the release state, the fixing convex part (10) is fitted with the stop concave part (14) or the release concave part (15).

Then, the pedal (2) is straddled on the axle holder (12), and the pivot hole (6) of the side wall (3) of the pedal (2) and the pivot of the axle holder (12). The support hole (13) and the swing shaft (9) are attached to each other so as to be supported in a seesaw state, and the pedal (2) is pivotally attached to the axle holder (12) so as to be swingable.

Next, the operating body (21) comprises an operating part (22) and a connecting part (23) extending therefrom, and the operating part (22) has a leg frame (11) of the stroller (B). ) Is formed so as to penetrate and form a leg frame hole (24), which is supported slidably in the vertical direction with respect to the leg frame (11), and the connecting portion (23) is provided with the pedal (2). A connection hole (25) corresponding to the support hole (5a) formed in the side wall (3) is formed, and the support hole (5a) and the connection hole (25) are pivotally attached to the pedal (2). The operating body (21) is swingably connected.

Next, the use of the stroller (B) stop state maintaining device (1) will be described. In the stop state of the stroller (B), the stop operation section (4) of the pedal (2) is moved downward. , The pedal (2) swings in the stop operation direction (L).

Then, the locking body (8) formed on the pedal (2) swings around the swinging shaft (9), approaches the axle (36), and the locking body (8) Enters the engagement area (E) of the rear wheel (31), and the engagement body (8) engages with the engagement rib (35) formed on the rib (34) of the rear wheel (31). That is, the rear wheel (31) is prevented from rotating in the front-rear direction, and the stroller (B) is kept stopped.

In the stopped state in which the locking body (8) and the rib (34) are engaged, the fixing projection (10) formed on the side wall (3) of the pedal (2) is engaged with the axle holder ( It is fitted with the stop recess (14) formed in (12), the pedal (2) is fixed by the elasticity of the synthetic resin material of the pedal (2) and does not inadvertently swing, and the stroller (B) Is reliably maintained.

Next, when the stroller is released and the stroller (B) is moved, the pedal (2) swings and the operating part (22) of the operating body (21) that has risen upwards is stepped on with a foot. By pressing the pedal downward, the fixing projection (10) of the pedal (2) is elastically deformed and comes out of the stopping recess (14) of the axle holder (12), and the operating body (21) The pedal (2) connected to the rear wheel (3) swings in the release operation direction (F), and the locking body (8) is disengaged from the engagement area (E) of the rear wheel (31) to release the engagement.

As described above, since the operation positions for the stop and the release are clearly distinguished, it is possible to reduce erroneous operations in which the stop state and the release state are mistaken, and to surely maintain the stroller (B) in the stop state. Can be done and the safety is high.

Then, the fixing convex portion (10) of the pedal (2) is fitted with the releasing concave portion (15) of the axle holder (12) so that the pedal (2) is maintained in the released state, and the stroller (B ) To prevent the pedal (2) from inadvertently swinging due to vibration during traveling, and to prevent the danger of the stroller (B) suddenly stopping.

The stopped state maintaining device (1) of the stroller (B) described above is not limited to the above embodiment, and the appearance shape and dimensions of the stopped state maintaining device (1) are different from those of the stroller (B) used. ) Can be changed to conform to the shape of.

In the stopped state, the engagement rib (35) of the wheel (31) generates a force to swing the pedal (2) in the releasing direction, and the fixing protrusion (10) of the pedal (2) is released. ) Is fitted to the recess (14) for stopping the axle holder (12), so that careless swinging of the pedal (2) is sufficiently prevented. It is preferable to bring the swing shaft (9) of the pedal (2) closer to the line of action of the force for swinging the pedal in the release direction.

The positional relationship between the swing shaft (9), the locking body (8), and the axle (36) is as follows: a virtual line connecting the axle (36) and the swing shaft (9); It is preferable that the angle formed by the imaginary line connecting the locking members (8) is about 120 degrees or less. When this angle is increased, the distance that the locking body (8) comes into contact with or separates from the axle (36) becomes shorter even if the pedal (2) is swung, resulting in an increase in the amount of operation of the pedal (2). It is.

Further, the position of the swing shaft (9) for pivotally attaching the locking body (8) is not limited to the position above the axle (36), but may be on a horizontal line passing through the axle (36) or the axle (36). ) May be below. The rib (34) is formed with an engagement rib (35) near the axle (36) to form the engagement area (E), but the engagement rib (35) is formed near the periphery of the wheel (32). You can also.

[Brief description of the drawings]

FIG. 1 is a perspective view from the back of a stroller (B).

FIG. 2 is a perspective view of the stopped state maintaining device (1) in which a part of a rear wheel (31) (W) is omitted.

FIG. 3 is a side view of the stopped state maintaining device (1) in a stopped state.

FIG. 4 is a side view of a release state.

FIG. 5 is a perspective view of a stopped state maintaining device (1) for a stroller (B).

[Explanation of symbols]

 (1) Stop state maintaining device (2) Pedal (4) Stop operation part (5) Release operation part (8) Locking body (10) Fixing convex part (12) Axle holder (14) Stop concave part (15 ) Release recess (21) Operating body (22) Operating part (23) Connecting part (31) Rear wheel (34) Rib (35) Locking rib (36) Axle (E) Engagement area (L) Stop operation direction (F) Release operation direction

Claims (3)

[Utility model registration claims] 1. An engaging rib (35) is formed radially around an axle (36) on a side surface of a rear wheel (31) attached to a leg frame (11) of a stroller (B). (E), and a leg (11) swingably supports a pedal (2) provided with a locking body (8) engaged with the engaging rib (35). (8) is moved into and out of the engagement area (E), and the rotation of the rear wheel (31) is controlled by engagement and disengagement of the locking body (8) and the engagement rib (35). In the stopped state maintaining device, the pedal (2) is formed into a bell crank shape in a side view, and a stop operation part (4) stepping downward and a release operation part (5) continuously stepping forward are formed, and a stroller is provided. By pushing the stop operation part (4) or the release operation part (5) from behind (B), the pedal (2) swings in the stop operation direction (L) or the release operation direction (F) and engages. In the mating area (E), the locking body (8) and the engagement rib (35 ) Is engaged or disengaged with the stroller (B). 2. An engagement rib (35) is formed radially around an axle (36) on a side surface of a rear wheel (31) attached to a leg frame (11) of a stroller (B). (E), and a leg (11) swingably supports a pedal (2) provided with a locking body (8) engaged with the engaging rib (35). (8) moves into and out of the engagement area (E), and the stroller () controls the rotation of the rear wheel (31) by engagement and disengagement of the locking body (8) and the engagement rib (35). In the stop state maintaining device for B), the operating body (21) slidably supported in the vertical direction with respect to the leg frame (11) of the rear wheel (31) is formed straight and supported in a seesaw state. The stop (4) or release operation unit (5) of the pedal (2) is connected to the push operation of the stop operation unit (4) or the release operation unit (5) or the operating body ( Push the pedal to operate the pedal. (2) stop operation direction in response to each of the pressing operation (L), the release operation direction
(F), and the engaging rib (35) and the locking body in the engaging area (E).
(8) A stopped state maintaining device for a stroller (B), which engages or disengages with (8). 3. An axle holder (12) for supporting an axle (36);
A fixing projection (10) formed on one of the pedals (2) pivotally supported by the axle holder (12) has a stop recess (14) and a release recess (15) formed on the other. 3. An engagement or disengagement state between the engagement rib (35) in the engagement area (E) and the locking body (8) by being fitted with one of the engagement areas.
A stall maintaining device for the stroller (B) as described.