JP2017006402A - Walking vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a walking vehicle that can prevent a shopping basket from slipping down when the shopping basket is placed on a seat part on which a user can sit, and can be folded compactly.SOLUTION: A walking vehicle 1 can be folded in a left-right direction. A walking vehicle body 10 is provided with a pair of left and right shopping basket position regulating auxiliary members 31, 31. Each of the shopping basket position regulating auxiliary members 31, 31 is provided with a position regulating projection part 36 projecting upward. In a state of placing a shopping basket S on a seat part 30, the position regulating projection parts 36 of the pair of left and right shopping basket position regulating auxiliary members 31, 31 face at least a part of a peripheral wall of the shopping basket to regulate forward and lateral movement of the shopping basket S.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a walking vehicle that assists walking of a person who is difficult to walk on his own, such as an elderly person.

  2. Description of the Related Art Conventionally, as disclosed in Patent Document 1, for example, a walking vehicle that assists walking of an elderly person with weak legs is provided. In addition, there is a car that is provided with a basket in the walking vehicle, and an object can be put in the car.

  Further, as disclosed in Patent Document 2, for example, a silver car type wheelbarrow that allows a shopping basket to be placed on the seat is provided. The wheelbarrow is provided with a locking portion for locking the wall surface on the forward side of the shopping basket, and prevents the shopping basket from falling off the seat when the shopping basket is placed on the seat. Has been.

Japanese Patent No. 4996400 Japanese Patent No. 4150602

  However, since the walking vehicle disclosed in Patent Document 1 is not planned to be used outside the facility, it is unsuitable for use, for example, for shopping. Specifically, it does not have a structure for stably placing the shopping basket, and a simple basket is arranged below the seat, so that it is extremely difficult to put a product in and out of the basket. Have difficulty. In addition, such a walking car cannot be folded in a compact manner, so it is very inconvenient.

  Moreover, in the handcart currently disclosed by patent document 2, there exists a problem that it is inferior to a walk assistance function in the first place. In addition, there is a possibility that the shopping basket placed on the seat may fall from the side, and the handle frame crosses between the user and the shopping basket, so avoid the handle frame. There is also a problem that it is inconvenient because it is necessary to stretch out the arm and use a shopping basket. Further, since the front wheel and the rear wheel are close to each other and folded in the front-rear direction, the front wheel and the rear wheel interfere with each other and there is a limit to downsizing.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a walking vehicle that can place a shopping basket on a seat, can appropriately prevent the shopping basket from falling from the seat, and can be folded compactly. And

  The present invention includes a pair of left and right side frames each provided with a wheel at a lower end, a seat disposed between the pair of left and right side frames, and a folding mechanism connected to each of the pair of left and right side frames. A walking cart body that has a pedestrian carriage body and can be folded in the left-right direction by the folding mechanism, wherein a pair of left and right shopping basket position restriction assisting members are disposed on the walking car body, and each shopping basket The position restriction auxiliary member is provided with a bottom part and a position restriction convex part protruding upward from the bottom part, and the bottom part of the pair of left and right shopping basket position restriction auxiliary members in a state where the shopping basket is placed on the seat part. And the movement of the shopping basket to the front and the side is restricted by the side surfaces of the position restricting convex portions facing at least a part of the side peripheral wall of the shopping basket. It is a walking car characterized by being.

  In the walking car having such a configuration, since the shopping basket can be placed on the seat portion and the shopping basket position restriction assisting member, there is an advantage that the user can easily put in and out the goods and the like. Moreover, since the said position control convex part is arrange | positioned at least ahead and the side of the shopping basket placed on the seat part and the shopping basket position restriction auxiliary member, the shopping basket falls from the front, or the side From falling off. Further, since the folding mechanism can be folded in the left-right direction, the pair of left and right side frames can be brought close to each other and folded in a very compact manner. In other words, since it can be widely deployed in the left-right direction, a seat portion with a sufficient seat width can be formed. Therefore, the walking vehicle according to the present invention can be used while the shopping basket is stably placed on the seat and the shopping basket position restriction auxiliary member.

  Further, a back belt that supports the back of the user who sits on the seat is bridged between the pair of left and right side frames, and the back belt is rotatable with respect to the pair of left and right side frames. A back support position that is pivotally supported so that the back of a user seated on the seat can be supported by being positioned above the seat, and a shopping basket is retracted from the seat to the seat. It is desirable that the position can be freely changed to the shopping basket placement position where the placement is possible.

  In such a configuration, when the user is seated on the seat, the user can be stably supported by the back belt. Further, when the shopping basket is placed on the seat, the back belt can be properly retracted to a position where it does not interfere so as not to get in the way.

  In addition, a hook member is connected to the walking vehicle body, and when the shopping basket is placed on the seat portion, the hook member is hooked on the shopping basket and the shopping basket is pulled from the seat portion. When the back belt is in the back support position, the shopping basket is prevented from falling, and when the back belt is in the back support position, it is hooked at the position facing the rotational direction side of the back belt in the side frame. It is desirable that the state can be freely changed between a back belt rotation preventing state in which the rotation of a certain back belt is restricted.

  Since the hook member has a function of preventing the back belt from rotating and a function of preventing the shopping basket from falling, the safety of the walking vehicle can be further improved with a small number of parts. . More specifically, if the hooking member is in a state where the back belt is prevented from rotating, the back belt at the back support position is prevented from rotating. For example, when the user stands up from the seat, the back belt is used. It will not be hindered by the user's back. In addition, when the hook member is in the shopping basket fall-preventing state, the hook member is directly hooked to the shopping basket, so that even if the shopping basket on the seat is about to fall down due to a strong impact, the shopping basket is properly dropped. Can be prevented.

  Further, the folding mechanism includes connecting frames respectively connected to the pair of left and right side frames, and a pair of left and right upper frames is provided at an upper end of the connecting frame, and a seat portion is provided between the pair of left and right upper frames. When the user is seated on the seat, the upper frame is supported from below by the upper frame support provided on the side frame. Preferably, the shopping basket position restriction assisting member is attached to each front end of the pair of left and right upper frames.

  In such a configuration, the folding mechanism of the walking vehicle has a simple structure. Further, by attaching the shopping basket position restriction assisting member to each side frame, the walking cart can be folded without the shopping basket position restriction assisting members interfering with each other.

  The walking cart of the present invention can place the shopping basket on the seat, and can appropriately prevent the shopping basket from falling from the seat, and can be folded compactly when stored. .

It is a perspective view of the walking vehicle concerning an Example. It is explanatory drawing explaining the position of a back belt, (a) shows the back belt located in the back support position, (b) has shown the back belt located in the shopping basket mounting position. The back belt support member is shown, (a) is a plan view, (b) is a left side view, and (c) is a rear view. It is a perspective view which shows a shopping basket position control auxiliary member. It is a perspective view which shows the walking vehicle of use condition. A shopping basket position regulation auxiliary member is shown, (a) is an AA line sectional view in Drawing 4, and (b) is a side view partial expanded sectional view. It is explanatory drawing explaining the hook (hook member) of a shopping basket fall prevention state. It is a perspective view which shows the walking vehicle of the folded state.

  Hereinafter, the embodiment which actualized the walking car of the present invention is described in detail. In addition, this invention is not limited to the Example shown below, A design change is possible suitably. By the way, when describing the embodiment, there are cases where the front and rear, right and left directions are defined for convenience, but this is used only when the present invention is limited to the direction defined in the following embodiments. is not.

  As shown in FIG. 1, the walking vehicle 1 includes a pair of left and right side frames 2 and 2. The side frame 2 includes a front frame 3 made of a metal tube material curved in a substantially L-shape, and a rear frame 4 made of a metal tube material that extends downward and rearward from the vicinity of the upper end of the curved portion of the front frame 3. And an upper frame 5 made of a metal tube material which is inserted into the upper end of the front frame 3 in a nested manner and is curved in an approximately L shape.

  Further, a front wheel 11 made of a rotatable caster is attached to the lower front end of the front frame 3, and a rear wheel made of a fixed wheel is attached to the lower rear end of the rear frame 4. Wheels 12 are attached.

  Further, a handle 15 held by a user is attached to the upper end of the upper frame 5. The upper frame 5 is provided with a plurality of through holes 6 penetrating in the left-right direction, and a height adjusting bolt 7 provided at the upper part of the front frame 3 is provided in any of the through holes 6. The upper frame 5 can be adjusted in height by being detachably inserted and fixed.

  On the other hand, a brake shoe 17 for suppressing the rolling of the rear wheel 12 is pivotally attached to the rear frame 4. The brake lever 16 provided on the handle 15 and the brake shoe 17 are connected to a brake wire 18. Connected by. With this configuration, the rear wheel 12 can be braked by operating the brake lever 16.

  A folding mechanism 28 is disposed between the pair of left and right side frames 2 and 2 so that the walking vehicle 1 can be folded in the left-right direction. The folding mechanism 28 will be described in further detail. A pair of front and rear brackets 21 and 21 are provided below the side frames 2 and 2, respectively. A lower frame 22 made of a cylindrical tube is pivotally supported between the pair of front and rear brackets 21 and 21, and the lower frame 22 is rotatable around the axis of the lower frame 22. Yes.

  In addition, a pair of front and rear connecting frames 27 and 27 are connected to the upper portions of the pair of left and right lower frames 22 and 22, respectively. The connecting frame 27 is composed of connecting rods 23 and 23 which intersect with each other in an X shape and are rotatable with respect to each other. The lower ends of the connecting rods 23 and 23 are joined to the lower frames 22 and 22, respectively. .

  On the other hand, a pair of left and right upper frames 25, 25 made of a cylindrical tube having an axial direction in the front-rear direction are respectively passed and joined to the upper ends of the connecting rods 23, 23 described above. A seat is stretched between the pair of left and right upper frames 25, 25, and the seat 30 in this embodiment is formed by the seat.

  In addition, the front frame 3 is provided with an L-shaped upper frame support portion 29 (see FIG. 8) that supports the upper frame 25 from below. In such a configuration, the walking frame 1 is maintained in the unfolded state (used state) as shown in FIG. 1 by the upper frame 25 being placed and supported on the upper frame support portion 29. The side frame 2, the seat portion 30, and the folding mechanism 28 form the walking vehicle body 10 in this embodiment.

  Further, a back belt 60 that supports the back of the user who sits on the seat portion 30 is bridged between the pair of left and right side frames 2 and 2. The back belt 60 is pivotally supported with respect to the pair of left and right side frames 2 and 2 and is positioned above the seat portion 30 as shown in FIG. The position can be freely changed between a back support position A at which the back of the user sitting on the seat can be supported and a shopping basket placement position B retracted from the seat portion 30 as shown in FIG. The main part of the back belt 60 is made of a flexible resin material, and both end parts are made of a metal material.

The rotating mechanism of the back belt 60 will be further described in detail.
As shown in FIG. 3, a back belt support member 51 is provided on each of the upper frames 5 described above. The pair of left and right back belt support members 51, 51 are symmetrical to each other.

  The back belt support member 51 has a fixing portion 54, and a through portion 53 penetrating in the vertical direction is formed in the fixing portion 54. The upper frame 5 is inserted into the through portion 53, and the diameter of the through portion 53 is reduced by a fixing screw 55 attached to the fixing portion 54, so that the upper frame 5 is tightened without loosening. Yes.

  A support portion 56 on which the back belt 60 is pivotally supported is provided on the side surface of the fixed portion 54. Specifically, the support portion 56 is provided with a support shaft 57 whose axial direction is the left-right direction, and the end portion of the back belt 60 is rotatably connected to the support shaft 57.

  In such a configuration, at the back support position A, the lower portion of the back belt 60 abuts against the support surface 59 provided on the support portion 56, so that the back belt 60 is horizontally directed forward. Supported.

  As shown in FIG. 3, a through hole 58 penetrating in the left-right direction is provided at a position facing the rotational direction of the back belt 60 in the support portion 56, and as shown in FIG. A hook (hook member) 65 is connected to the fixing screw 55 via a string 66 having a predetermined length. Then, as shown in FIG. 2a, the hook 65 is hooked on the through-hole 58 while the back belt 60 is at the back support position A, thereby preventing the back belt 60 from rotating backward. Has been. At this time, the hook 65 is in a back belt rotation preventing state X in which the rotation of the back belt 60 at the back support position A is restricted.

  As shown in FIG. 4, shopping basket position restriction assisting members 31, 31 are disposed at the front end of the upper frame 25. The pair of left and right shopping basket position restriction auxiliary members 31, 31 are symmetrical to each other.

  More specifically, the shopping basket position restriction assisting member 31 is made of a resin member and includes a main body portion 33 having a receiving hole 34 provided in a base end portion. The front end of the upper frame 25 is inserted into the receiving hole 34 of the main body 33. The shopping basket position restriction assisting member 31 is screwed to the upper frame 25 (not shown).

  In addition, a resin-made flat bottom portion 35 is formed on the upper portion of the main body portion 33, and a position-regulating convex portion 36 protruding upward is extended in a wall shape on the front portion and the outer portion of the bottom portion 35. It is installed. Specifically, the position restricting convex portion 36 includes a front peripheral wall portion 37 rising from the front end of the bottom portion 35 and a side peripheral wall portion 38 rising from the side end of the bottom portion 35, and the front peripheral wall portion 37 and the side peripheral wall portion. 38 are connected by a curved wall 39 formed at the corner of the bottom 35. Further, the bottom portion 35 and the seat portion 30 are set to have substantially the same height.

  In such a configuration, the shopping basket placement position where the back belt rotation prevention state X of the hook 65 is released as described above and the back belt 60 is rotated backward as shown in FIG. If it is set to B, the upper part of the said seat part 30 will be open | released and the shopping basket S can be mounted. Then, as shown in FIG. 5, when the shopping basket S is placed on the seat portion 30, the shopping basket S is supported from below by the bottom 35 of the shopping basket position restriction assisting member 31, as shown in FIG. At the same time, the peripheral wall of the shopping basket S faces the side surface of the position restricting projection 36, and the movement of the shopping basket S to the front and the side is restricted.

  Specifically, as shown in FIG. 6a, the side surface of the shopping basket S abuts against the side peripheral wall portion 38, so that the lateral movement of the shopping basket S is restricted. Further, as shown in FIG. 6b, the front side of the shopping basket S is brought into contact with the front peripheral wall portion 37, whereby the movement of the shopping basket S in the forward direction is restricted. Here, it is preferable that the size and shape of the shopping basket position restriction assisting member 31 correspond to the size and shape that can accommodate a general supermarket shopping basket. The backward movement of the shopping basket S is regulated by the pair of left and right front frames 3 and 3.

  In addition, as shown in FIG. 7, by hooking the hook 65 to the through hole of the shopping basket S in a state where the shopping basket S is placed on the seat portion 30 and the shopping basket position restriction auxiliary member 31, It is possible to more effectively prevent the shopping basket S from falling. At this time, the hook 65 is in a shopping basket fall prevention state Y that prevents the shopping basket S from falling.

  Moreover, the above-mentioned folding mechanism 28 can fold the walking vehicle 1 in the left-right direction as shown in FIG. Specifically, the folding lock (not shown) is released by lifting the seat seat constituting the seat portion 30 upward, the upper frames 25, 25 are detached from the upper frame support portion 29, and the connecting frames 27 are connected. The pair of left and right side frames 2 and 2 come close to each other and the walking vehicle body 10 is folded in the left-right direction. The back belt 60 is set to the shopping basket mounting position B, and the flexible intermediate portion is bent so that the folding of the walking vehicle body 10 is not hindered.

  In the walking vehicle 1 described so far, since the shopping basket S can be placed on the seat portion 30, there is an advantage that the user can easily put in and out the goods and the like. More specifically, in the walking vehicle 1, the shopping basket placed on the seat 30 and the shopping basket position restriction auxiliary member 31 by the user holding the handle 15 without being blocked by other members. You can touch S directly. Therefore, the walking vehicle 1 can safely assist the user with the shopping basket S placed on the seat 30 and can easily touch the shopping basket S.

  Moreover, since the said position control convex part 36 is arrange | positioned in the front and the side of the shopping basket S mounted in the seat part 30 and the shopping basket position control auxiliary member 31, this shopping basket S is from the front and the side. It is possible to prevent sliding down.

  Further, since the folding mechanism 28 can be folded compactly, there is an advantage that it does not get in the way during storage. Moreover, the seat part 30 of sufficient seat width can also be formed.

  Further, when the user is seated on the seat portion 30, the user can be stably supported by the back belt 60 and the rotation of the back belt 60 can be prevented by the hook 65. It is possible to prevent the back belt 60 from being caught by the user's back and lifting when standing up from the seat portion 30. Further, when the shopping basket S is placed on the seat portion 30 and the shopping basket position restriction auxiliary member 31, the back belt 60 can be appropriately retracted so as not to interfere with the shopping basket S.

  Further, since the hook 65 has a function of preventing unintentional rotation of the back belt 60 and a function of preventing the shopping basket S from falling, the safety and convenience of the walking vehicle 1 can be reduced with a small number of parts. The property is further improved. Therefore, even if the walking vehicle 1 gets on the stepped portion in the store and receives an impact, the shopping basket S can be reliably prevented from falling.

  The pair of left and right shopping basket position restriction assisting members 31, 31 are attached to the side frames 2, 2, so that the shopping cart position regulation assisting members 31, 31 can be folded without interfering with each other. It becomes possible.

  In the said Example, the dimension shape and material of each part can be selected freely suitably. Further, for example, the bottom 35 of the shopping basket position restriction assisting member 31 may be inclined upward toward the front of the walking vehicle 1. By setting it as this structure, it can suppress that the shopping basket S falls from the front.

  Further, for example, a storage container (bag) may be separately provided in front of the connection frame 27 in the folding mechanism 28. Note that the folding structure of the folding mechanism 28 is not limited to the structure of the connecting frame 27.

  Further, the seat portion 30 and the shopping basket position restriction assisting member 31 do not need to be attached to the upper frame 25, and may be attached to, for example, another frame.

  In addition, an umbrella stand member, a staff rest member, and the like may be separately provided on the side frame 2.

DESCRIPTION OF SYMBOLS 1 Walking vehicle 2 Side frame 10 Walking vehicle main body 11 Front wheel 12 Rear wheel 25 Upper frame 27 Connection frame 28 Folding mechanism 29 Upper frame support part 30 Seat part 31 Shopping basket position control auxiliary member 35 Bottom part 36 Position control convex part 60 Back belt 65 hook (hook member)
A Back support position B Shopping basket placement position X Back belt rotation prevention state Y Shopping basket fall prevention state

Claims (4)

A pair of left and right side frames each provided with wheels at the lower end;
A seat disposed between the pair of left and right side frames;
A folding mechanism coupled to each of the pair of left and right side frames;
A walking vehicle that can be folded in the left-right direction by the folding mechanism,
A pair of left and right shopping basket position restriction assisting members are disposed on the walking vehicle body,
Each shopping basket position restriction assisting member is provided with a bottom part and a position restriction convex part protruding upward from the bottom part,
In a state where the shopping basket is placed on the seat, the shopping basket is placed on the bottom of the pair of left and right shopping basket position restriction assisting members, and the side surfaces of the position restriction convex portions are side peripheral walls of the shopping basket. A walking vehicle characterized in that movement of the shopping basket to the front and side is restricted by facing at least a part of each of the shopping carts. A back belt that supports the back of a user seated on the seat is bridged between the pair of left and right side frames,
The back belt is pivotally supported with respect to the pair of left and right side frames, and can be supported on the back of the user seated on the seat by being positioned above the seat. The walking vehicle according to claim 1, wherein the position of the back support position is freely convertible between a back support position and a shopping basket placement position at which the shopping basket can be placed on the seat after being retracted from the seat. A hook member is connected to the walking vehicle body,
The hook member is
When the shopping basket is placed on the seat, the shopping basket is prevented from falling by being hooked on the shopping basket and the shopping basket is dropped from the seat, and the back belt is in the back support position. In some cases, it is possible to change the state to a back belt rotation preventing state in which the rotation of the back belt in the back support position is restricted by being hooked at a position facing the rotation direction of the back belt in the side frame. The walking vehicle according to claim 2. The folding mechanism includes connecting frames respectively connected to the pair of left and right side frames,
A pair of left and right upper frames is provided at the upper end of the connection frame, and a seat constituting a seat is stretched between the pair of left and right upper frames.
When the user sits on the seat, the upper frame is in a state of being supported from below by an upper frame support provided on the side frame,
The walking cart according to any one of claims 1 to 3, wherein the shopping basket position restriction assisting member is attached to each front end of the pair of left and right upper frames.

Images