JP5084851B2 - Walking carry - Google Patents

Description

  The present invention relates to a walking carry.

  2. Description of the Related Art Conventionally, a walking carry such as a shopping cart is provided with an operation lever on a handle portion, and the operation force of the operation lever is transmitted to a brake via a flexible operation wire (for example, Patent Documents). 1).

JP 2010-18079 A

  However, since the handle part is generally adjustable in height, if the length of the operation wire is determined according to the raised position of the handle part, adjusting the handle part to the low position (down state) There is a problem that the wire is greatly bent and becomes an obstacle during walking, operation, and storage.

  Accordingly, an object of the present invention is to provide a walking carry that can slide the handle portion in the vertical direction and can transmit the operation force of the operation lever to the wheel side without using a flexible operation wire.

  In order to achieve the above object, the walking carry of the present invention is fixed to a vertical outer pipe member, an inner pipe member inserted into the outer pipe member so as to be slidable in the vertical direction, and an upper portion of the inner pipe member. A handle member, a first rack member provided in the outer pipe member and having a plurality of teeth, and a plurality of teeth provided in the inner pipe member and capable of engaging with and separating from the teeth of the first rack member. A second rack member having an upper part of the second rack member interlocked with an operation lever pivotally attached to the handle member, and a lower part of the first rack member being connected to the outer pipe member. In conjunction with a swinging member that brakes a wheel disposed in the vicinity of the lower part, the operating force of the operating lever is transmitted through the second rack member and the first rack member in the meshed state. To the member It is one that is configured to brake the wheel.

A vertical outer pipe member; an inner pipe member inserted into the outer pipe member so as to be slidable in the vertical direction; a handle member fixed to an upper portion of the inner pipe member; A first rack member having a plurality of teeth, and a second rack member having a plurality of teeth that are internally mounted on the inner pipe member and can be engaged with and separated from the teeth of the first rack member. 2 The upper part of the rack member is interlocked with an operation lever pivotally attached to the handle member, and the lower part of the first rack member is rocked to brake a wheel disposed near the lower part of the outer pipe member. A member and a locking member that locks the wheel, and the operating force of the operating lever is applied to the swinging member via the meshed second rack member and the first rack member. Braking to transmit and brake the wheel Switching freely configure the state, in a travelable state, and the operation force of the operating lever, via the second rack member and the first rack member coupled state, and transmitted to the locking member The wheel can be switched between a locked state in which the wheel is locked and a travelable state .

  In addition, a spring portion interposed between the first rack member and the second rack member and constantly elastically biasing in a direction in which the first rack member and the second rack member are separated from each other is provided. A rack that can be switched between a mesh holding state in which the first rack member and the second rack member are meshed by pressing in a direction against the spring force of the spring portion, and a pressure release state in which the pressure is released. A connection / separation operation means is provided, and the inner pipe member can be fixed in a stepped manner in the vertical direction.

  According to the walking carry of the present invention, the wheel can be reliably braked by the operation lever pivotally attached to the handle member while the height of the handle member can be largely adjusted. Even if the handle member is at a low position, there is no bent operation wire, and it is possible to prevent the operation wire from being obstructed during operation, walking and storage, improving operability and providing a walking carry with excellent aesthetics. Can be obtained.

It is a side view of the embodiment of the walking carry of the present invention. It is a side view of the expansion | extension state. It is principal part sectional drawing of FIG. It is principal part sectional drawing. FIG. 5 is a view in the direction of the arrow X in FIG. 4. It is a principal part enlarged view of FIG. It is an operation explanatory view. It is an operation explanatory view. It is a principal part rear view. It is principal part sectional drawing, (a) is principal part sectional drawing explaining a meshing holding state, (b) is principal part sectional drawing explaining a meshing state. It is principal part sectional drawing, (a) is principal part sectional drawing explaining a press release state, (b) is principal part sectional drawing explaining a separation state. FIG. 11 is a YY sectional view of FIG. 10. It is a figure which shows an example of a 1st rack member, (a) is a rear view, (b) is side surface sectional drawing, (c) is DD sectional drawing of (a). It is a figure which shows an example of a 2nd rack member, (a) is a front view, (b) is a side view, (c) is EE sectional drawing of (a).

Hereinafter, the present invention will be described in detail based on the illustrated embodiment.
1 and 2, a loading platform 9 on which a storage member 4 such as a bag, shopping bag, case or the like is placed, a pair of front and rear outer pipe members 1 and 1 erected on the loading platform 9, and each outer pipe. Inner pipe members 2 and 2 respectively inserted into the members 1 and 1 slidably in the vertical direction, upper and lower inner pipe members 2 and 2, a handle member 3 connecting the front and rear directions, and a lower part of the loading platform 9. Four wheels 6, 6, 6, 6 disposed on the front, rear, left and right, and an operation lever 31 pivotally attached to the handle portion 3 are provided. Further, the inner pipe members 2 and 2 slide in the vertical direction, and the handle member 3 can be adjusted from the low position shown in FIG. 1 to the high position (extended state) shown in FIG. The direction of arrow S is the forward direction.

  In FIG. 3, a first rack member 10 that is housed in a vertical outer pipe member 1 (1B) disposed on the rear side and has a plurality of teeth 11 on an upper portion 10a, and an inner pipe member 2 on the rear side. (2B) and a second rack member 20 having a large number of tooth portions 21 that can mesh with the tooth portions 11 of the first rack member 10.

  In FIG. 4, the upper portion 20 a of the second rack member 20 has a plate-like portion on which the tooth portion 21 is not formed, and a locking hole 25 is provided through the plate-like portion. One end 31a of the operating lever 31 is locked in the locking hole 25 inside the handle member 3 (inside the inner pipe member 2), and the second rack member is moved along with the swinging of the operating lever 31 in the vertical direction N. The operation lever 31 is interlocked and connected so that 20 moves up and down.

  4 and 5, a pair of bulging portions that are formed on the handle member 3 and that narrow the width of the opening portion 32 in the middle portion in the vertical direction of the opening portion 32 into which the one end 31 a side of the operation lever 31 is inserted. 33 and 33 are provided. Due to the weight of each member applied to the operation lever 31 and the downward load by the elastic member 89 described later, the bulging portion 33 abuts the bulging portion 33 and swings to a position below the bulging portion 33. The operation lever 31 is restricted so as not to move. However, as shown in FIG. 8, when the operator applies a predetermined pushing load Fb stronger than the load due to the weight of each member or the elastic force of the elastic member 89 to the operation lever 31, the bulging portion 33 and 33 are elastically deformed and expanded, and the contact portion on the one end 31a side is formed so as to be able to swing over the bulging portion 33 and below the bulging portion 33.

6 and 9, a pair of left and right wheels 6 (6B) and 6 (6B) on the rear side disposed near the lower portion 1b of the outer pipe member 1B on the rear side are respectively attached to both ends of the axle 61. It is fitted. The axle 61 is attached to a support member 90 that is suspended from the loading platform 9.
In the vicinity of the pair of left and right wheels 6B and 6B on the rear side, a pair of left and right rocking members 84 and 84 for braking the rear wheels (rear wheels) 6B and 6B are provided.

The oscillating member 84 is formed in the shape of a side view and is pivotally supported by a support shaft 83 through which the support member 90 is inserted so that the oscillating member 84 can swing around the axis of the support shaft 83 (horizontal axis). Is provided. One end 84a, 84a side of each swing member 84, 84 is connected by a shaft-like locking member 82. Further, both end portions 82a and 82a of the locking member 82 are protruded on the one end 84a and 84a side of the swing member 84 so as to approach the left and right inner surfaces of the wheel 6.
The other end 84b side of the swing member 84 has a friction portion 84c that contacts the side surface or the outer peripheral surface of the wheel 6B to provide friction resistance.

  In the lower portion 10b of the first rack member 10, an L-shaped block-shaped connecting member 81 is fixed to a plate-like portion where the tooth portion 11 is not formed. The connecting member 81 has a long hole 81a through which the locking member 82 is inserted and in which the locking member 82 can slide in the front-rear direction. The lower portion 10 b of the first rack member 10 is interlocked and connected to the swing member 84 via a connecting member 81 and a locking member 82.

Further, the wheel 6B has a plurality of contact protrusions 62, 62 protruding inward in the left and right directions. The contact protrusions 62 are radially arranged at equal intervals around the axle 61 (wheel rotation axis) with a predetermined interval angle θ. Further, the projecting surface 62a of the contact projecting portion 62 is disposed on the left and right inward from the end surfaces of both end portions 82a and 82a of the locking member 82.
Further, between the other end 84b side of the swing member 84 and the support member 90 or the loading platform 9 side, both end portions 82a, 82a of the locking member 82 are between the projecting portions 62, 62 adjacent in the circumferential direction. A retraction member 89 that is always energized and energized is provided.

  1 to 3, near the pair of left and right front wheels 6A and 6A, the front wheels 6A and 6A are rotated 360 degrees around the vertical axis and swung 90 degrees. Further, there is provided a wheel swing means 5 that can be switched to turn impossible (0 degree swing).

  In FIG. 13, the first rack member 10 forms a non-tooth portion having a cross-sectional groove shape in which the tooth portion 11 is removed in the vertical direction along the center line T10 in the width direction, and the flat surface of the groove bottom portion. From 12, a plurality of spring portions 80, 80 projecting in the same direction as the tooth portion 11 are provided. That is, the tooth portions 11 are arranged in two rows in the vertical direction, and the spring portions 80 and 80 are provided between the tooth portions 11 and 11 adjacent in the width direction.

The first rack member 10 includes a single metal thin plate-like back plate member 19, two resin-made belt-like rack tooth members 18, 18, and a plate spring piece 91 having an arcuate longitudinal section. , Consisting of. The two rack tooth members 18 and 18 are spaced apart from each other in the width direction and fixed to the back plate member 19 with an adhesive or the like, and the leaf spring piece 91 is attached to the smooth flat surface 12 made of metal with an adhesive or spot. It is fixed by welding or the like. The side from which the tooth portion 11 protrudes may be referred to as a surface side, and the opposite side may be referred to as a back surface 10f side. The back surface 10f in the vicinity of the spring portion 80 is formed in a smooth surface shape.
The first rack member 10 shown in FIG. 13 is an example, and the spring plate 80 may be formed by cutting out the back plate member 19 in the formation portion of the flat surface 12 and bending it. The back plate member 19 and the rack tooth members 18 and 18 may be integrally formed. The material is free.

In FIG. 3, even if the inner pipe member 2 slides to the uppermost position, the upper portion 10a of the first rack member 10 is disposed so as to be housed inside the inner pipe member 2.
Further, when a gap is formed between the inner peripheral surface of the outer pipe member 1 and the rear surface 10f of the first rack member 10, and the inner pipe member 2 slides downward, the first rack member 10 becomes the inner pipe member 2. It is provided so as to be decorated.

  In FIG. 14, the second rack member 20 has a locking hole 25 through which the one end 31a of the operating lever 31 is locked in the flat plate portion of the upper portion 20a. Further, along the center line T20 in the width direction, a non-tooth portion having a cross-sectional groove shape with the tooth portion 21 removed in the vertical direction is formed, and the spring portion 80 is pressed (contacted) or slidably contacted with the groove bottom portion. A planar flat surface 22 is formed. That is, the tooth portions 21 are arranged in two rows in the vertical direction, and the flat surface 22 is provided between the tooth portions 21 and 21 adjacent in the width direction.

  The second rack member 20 is composed of one metal thin plate-like back plate member 29 and two resin-made belt-like rack tooth members 28, 28. Two rack tooth members 28 and 28 are spaced apart from each other in the width direction and fixed to the back plate member 29 with an adhesive or the like to form a flat surface 22 made of metal. The side from which the tooth portion 21 protrudes may be referred to as a surface side, and the opposite side may be referred to as a back surface 20f side. The back surface 20f is formed in a smooth surface shape. Note that the second rack member 20 shown in FIG. 14 is an example, and the back plate member 29 and the rack tooth members 28, 28 may be integrally formed. The material is free.

  Next, as shown in FIG. 10, the first rack member 10 and the first rack member 10 are pressed by pressing in the direction against the elastic force of the spring portion 80 (the direction in which the first rack member 10 and the second rack member 20 approach). As shown in FIG. 11, a switching operation can be performed between a mesh holding state in which the two rack members 20 are engaged and a pressure releasing state in which the first rack member 10 and the second rack member 20 can be separated by releasing the press. Rack connection / separation operation means 7 is provided.

  10 to 12, the rack connection / separation operating means 7 includes a bar-shaped pressing member 71 that is bent so that the first rack member 10 and the second rack member 20 are engaged with each other, and a pivot shaft. A rotating body 72 that is rotatably provided around the center L1 and is pivotally attached to a position eccentric from the rotation center P; and a button member 73 that transmits the pressing force of the operator to the rotating body 72. The button member 73 includes a button return resilient member 74 that constantly urges and urges the button member 73 against the pressing force of the operator, and a casing 70 in which the rotating body 72 is pivotally attached. It is desirable to provide an auxiliary bullet member 75 that constantly urges and presses the pressing member 71 in a direction that resists the spring force of the spring portion 80.

  The button member 73 has a protruding portion 79 that transmits the pressing force of the operator to the rotating body 72, and the tip of the protruding portion 79 is pivoted at a position eccentric from the rotation center P of the rotating body 72. Further, the projecting portion 79 has a contact step surface 79c. The contact step surface 79c is provided so as to come into contact with the contact surface 70c of the casing 70 and not exceed the predetermined stroke when the button member 73 is pressed and moved by a predetermined stroke. Further, a return spring member 74 is disposed between the button member 73 and the casing 70, and the outer hook locking portion 73g of the button member 73 is locked to the inner hook locking portion 70g of the casing 70, thereby returning the spring spring member. Removal of the casing 70 to the outside by 74 is restricted.

  The pressing member 71 passes through the horizontal pipe member 78, the tip 71a of the pressing member 71, the joint member 93 connecting the outer pipe member 1 and the horizontal pipe member 78, the lateral hole 1e of the outer pipe member 1, Through the positioning hole 2e of the inner pipe member 2, the back surface 10f in the vicinity where the spring portion 80 of the first rack member 10 is formed is pressed. The tip 71a is formed in a convex curve shape. When the tip 71a is inserted into the positioning hole 2e, the movement of the inner pipe member 2 in the vertical direction is restricted and positioned. The positioning holes 2e are provided at regular intervals in the vertical direction at predetermined pitches (approximately 40 to 80 mm). The pressing member 71 uses (shared) a pressing member that meshes the first rack member 10 and the second rack member 20 and a positioning pin (shaft) member that prevents the inner pipe member 2 from moving in the vertical direction. Yes. Further, as shown in FIG. 12, the inner pipe member 2 and the outer pipe member 1 have a non-circular cross section having a flat surface with which the back surface 10f of the first rack member 10 and the back surface 20f of the second rack member 20 abut or slide. It is formed into a shape. Instead of the positioning hole 2e, an opening (slit) or a long hole may be provided so that the inner pipe member 2 has a C-shaped cross section. When long holes (slits) are provided, the first rack member 10 and the second rack member 20 can be used together with the operating force transmission member and the rack member for multi-stage height adjustment positioning (fixing). .

Next, the usage method (action) of the embodiment of the present invention will be described.
As shown in FIG. 1, when the inner pipe member 2 is housed in the outer pipe member 1 and the handle member 3 is in the low position (lowered state), the operation lever 31 is expanded as shown in FIG. After moving downward so as to get over the protruding portion 33 to be in a locked state described later, the operator presses the button member 73 of the rack connection / separation operation means 7. As shown in FIG. 11, the protrusion 79 of the button member 73 rotates the rotating body 72. The rotating body 72 rotates in a direction in which the tip 71a of the pressing member 71 is separated from the back surface 10f of the first rack member 10. The rack connection / separation operation means 7 is in the pressed release state. Further, the pressing member 71 comes out of the positioning hole 2e, and the inner pipe member 2 is in a state where it can move up and down. That is, the rack connection / separation operation means 7 can be said to be a slide / fixed switching operation means for the inner pipe member 2.

  11B, the spring portion 80 presses the flat surface 22 of the second rack member 20 and separates the first rack member 10 and the second rack member 20 by the elastic force. . The first rack member 10 and the second rack member 20 are separated (disengaged). The handle member 3 can be pulled up by the operator, and the handle member 3 and the inner pipe member 2 can be adjusted to a desired height.

  When the inner pipe member 2 is slid in the vertical direction, the second rack member 20 is also moved in the vertical direction together with the handle member 3 and the operation lever 31 along with the movement. The arcuate top of the spring portion 80 is in sliding contact with the flat surface 22, and the second rack member 20 slides smoothly.

When the pressing of the button member 73 is stopped after the inner pipe member 2 is slid, the return elastic member 74 pushes back the button member 73 as shown in FIG. The rotating body 72 rotates so that the tip 71a of the pressing member 71 presses the back surface 10f of the first rack member 10. The return bullet member 74 and the auxiliary bullet member 75 hold the pressure on the first rack member 10 with a force larger than the spring force of the spring portion 80. The rack connection / separation operation means 7 enters the mesh holding state in which the first rack member 10 and the second rack member 20 are held in mesh. The inner pipe member 2 and the handle member 3 are fixed in a stepped manner with the pitch dimension (interval dimension) of the positioning hole 2e in the vertical direction. The inner pipe member 2 and the handle member 3 are easily adjusted to a desired height. That is, it can be fixed at a position where the pressing to the button member 73 is released.
When a slit or a long hole is provided instead of the positioning hole 2e, the inner pipe member 2 and the handle member 3 have a pitch dimension between the tooth portion 11 (21) and the tooth portion 11 (21). The height can be adjusted in multiple stages in the vertical direction (can be fixed at desired positions in multiple stages).

  10B, the spring portion 80 provided on the first rack member 10 is pressed against the flat surface 22 of the second rack member 20, and has a larger radius of curvature than the natural (free) state. Elastically deforms in an arc shape. The tooth portion 11 of the first rack member 10 and the tooth portion 21 of the second rack member 20 are reliably engaged with each other.

  The handle member 3 can be positioned at a desired position that can be easily gripped by the user (in the extended state as shown in FIGS. 2 and 3). Etc. can be transported. Alternatively, hand-running can be performed as a walking assistance vehicle that supports weight instead of a cane or the like.

  Then, as shown in FIG. 3, the operation force in the vertical direction N of the operation lever 31 can be transmitted to the connecting member 81 via the meshed first rack member 10 and second rack member 20.

  As shown in FIG. 6, when the operator swings one end 31 a of the operation lever 31 upward as shown in FIG. 7 from the non-operating (neutral) state of the operation lever 31, the lower portion of the first rack member 10 is moved. 10b is pulled up. The connecting member 81 pushes up the locking member 82, raises one end 84a of the swinging member 84, swings the other end 84b downward about the axis of the support shaft 83, and brings the friction part 84c into contact with the wheel 6B. A braking state (braking state) is established.

  When the operator releases the operation lever 31, the operation lever 31 is swung downward by its own weight and the resilient member 89 until the one end 31a side is locked to the bulging portion 33, as shown in FIG. Return to the neutral (non-operation) state.

Further, as shown in FIG. 8, when a predetermined pushing load Fb stronger than the weight of each member or the resilient member 89 is applied to the operation lever 31 from the neutral state, the one end 31 a side of the operation lever 31 is It gets over the bulging portion 33 and swings to a position below the bulging portion 33.
The lower part 10 b of the first rack member 10 is lowered, the connecting member 81 pushes down the locking member 82, and the locking member 82 is swung downward around the axis of the support shaft 83. Both end portions 82a and 82a (see FIG. 9) of the locking member 82 move between the contact protrusions 62 and 62 adjacent to each other in the circumferential direction of the wheels 6B and 6B. Both end portions 82a and 82a of the locking member 82 are locked to the contact protrusions 62 and 62 to be in a locked state in which the wheels 6B and 6B are prevented from rotating.

  That is, the operation lever 31 is a combination of the brake lever for braking the wheel 6 and the lock lever for locking the wheel 6 (used as one). Further, a member that transmits an operation force that brakes the wheel 6 and a member that transmits an operation force that locks the wheel 6 are shared (also used as one system). Two rack members 20 are provided.

When the operator releases the operation lever 31, the elastic member 89 cannot get over the bulging portion 33, and the locked state is maintained.
When the operator pushes up the operation lever 31 with a force equivalent to the predetermined pushing load Fb, the operator gets over the bulging portion 33 and returns to the neutral state shown in FIG.

  When the operating lever 31 is swung upward (from the bulging portion 33) from the neutral state, the operation is switched to the braking state. When the operating lever 31 is swung downward (from the bulging portion 33) from the neutral state, the operation lever 31 is switched to the locked state. Change. It is possible to switch between a neutral state (traveling state or travelable state), a braking state (braking state), and a locked state (parking state, stopped state, or state usable as a cane).

  Further, when the first rack member 10 is moved up and down by the swing of the operation lever 31 in the vertical direction, the back surface 10f of the first rack member 10 is pressed by the tip 71a of the pressing member 71 as shown in FIG. However, since the back surface 10f is formed in a smooth surface shape, the first rack member 10 slides on the tip 71a and smoothly moves up and down while being pressed by the pressing member 71. The operation lever 31 can be swung up and down easily and smoothly.

  The design of the present invention can be changed, and the spring portion 80 may be provided on the second rack member 20. Also, the first rack member 10 is housed in the outer pipe member 1A on the front side, the second rack member 10 is housed in the inner pipe member 2A on the front side, and the pressing member for the front side is attached to the rack connection / separation operation means 7. 71 may be provided, and a positioning hole 2e may be provided in the inner pipe member 2A on the front side. Further, the outer pipe member 1 and the inner pipe member 2 may be disposed in the left-right direction with respect to the traveling direction S. Further, a locking groove corresponding to the locking hole 25 formed in the second rack member 20 may be formed in the one end 31 a of the operation lever 31. Further, the pressing member 71 may press the smooth back surface 20 f of the second rack member 20 and mesh with the first rack member 10.

  As described above, the present invention includes a vertical outer pipe member 1, an inner pipe member 2 that is slidably inserted into the outer pipe member 1 in a vertical direction, and a handle member 3 that is fixed to the upper portion of the inner pipe member 2. A first rack member 10 having a plurality of tooth portions 11 provided in the outer pipe member 1 and a plurality of tooth portions 21 provided in the inner pipe member 2 and capable of engaging with and separating from the tooth portions 11 of the first rack member 10. A second rack member 20 having a second rack member 20 having an upper portion 20a coupled to an operation lever 31 pivotally attached to the handle member 3, and a lower portion 10b of the first rack member 10 being The operating force of the operating lever 31 is changed between the second rack member 20 and the first rack member 10 engaged with each other by interlockingly connecting to a swinging member 84 for braking the wheel 6 disposed in the vicinity of the lower portion 1b of the pipe member 1. Is transmitted to the swing member 84 via The height of the hand member 3 can greatly adjustable vertically, and can be securely braked wheels 6. Even if the handle member 3 is placed at a low position, there is no flexible operation wire that is greatly bent, and it is possible to prevent the operation wire from being obstructed during operation and walking. You can get a carry.

  In addition, the vertical outer pipe member 1, the inner pipe member 2 inserted into the outer pipe member 1 so as to be slidable in the vertical direction, the handle member 3 fixed to the upper portion of the inner pipe member 2, and the outer pipe member 1 A first rack member 10 having a plurality of tooth portions 11 provided therein and a second rack member 20 having a plurality of tooth portions 21 provided in the inner pipe member 2 and capable of meshing with and separating from the tooth portions 11 of the first rack member 10. The upper part 20a of the second rack member 20 is interlocked with the operation lever 31 pivotally attached to the handle member 3, and the lower part 10b of the first rack member 10 is connected to the vicinity of the lower part 1b of the outer pipe member 1. Are interlocked with a swinging member 84 for braking the wheel 6 and a locking member 82 for locking the wheel 6, and the operating force of the operating lever 31 is coupled to the meshed second rack member 20. A braking state in which the wheel 6 is braked by being transmitted to the swing member 84 via the first rack member 10. And the operation force of the operation lever 31 is transmitted to the locking member 82 via the meshed second rack member 20 and the first rack member 10 to lock the wheel 6. Since it is configured to be switchable to the state, the height of the handle member 3 can be adjusted up and down and the wheels 6 can be braked reliably. Or it can be locked. Even if the handle member 3 is in a low position, there is no greatly bent brake operation transmission member or lock operation transmission member, and it is easy to operate, walk and store, and the operability is improved. Can be obtained. A brake lever for braking the wheel 6 and a lock lever for locking the wheel 6 can be used together as the operation lever 31. The member that transmits the operation force that brakes the wheel 6 and the member that transmits the operation force that locks the wheel 6 can be combined into one system of the meshed first rack member 10 and second rack member 20.

  Further, a spring portion 80 is provided between the first rack member 10 and the second rack member 20 and is always elastically biased in a direction in which the first rack member 10 and the second rack member 20 are separated from each other. A rack that can be switched between a mesh holding state in which the first rack member 10 and the second rack member 20 are meshed by pressing in a direction against the elastic force of the spring portion 80 and a pressure release state in which the pressure is released. Since the connecting / separating operation means 7 is provided and the inner pipe member 2 can be fixed in a stepped manner in the vertical direction, the first rack member 10 and the second rack member 20 can be reliably and easily engaged and separated by the spring portion 80. It can be carried out. A lightweight and beautiful walking carry can be obtained.

DESCRIPTION OF SYMBOLS 1 Outer pipe member 1b Lower part 2 Inner pipe member 3 Handle member 6 Wheel 7 Rack connection isolation | separation operation means
10 First rack member
10b bottom
11 teeth
20 Second rack member
20a upper part
21 teeth
31 Control lever
31a one end
80 Spring part
82 Locking member
84 Swing member

Claims (3)

A vertical outer pipe member (1), an inner pipe member (2) inserted into the outer pipe member (1) so as to be vertically slidable, and a handle member fixed to the upper portion of the inner pipe member (2) (3), a first rack member (10) having a plurality of teeth (11) provided in the outer pipe member (1), and a first rack member (10 provided in the inner pipe member (2). And a second rack member (20) having a number of teeth (21) that can be meshed with and separated from the teeth (11).
The upper part (20a) of the second rack member (20) is interlocked with an operation lever (31) pivotally attached to the handle member (3),
The lower part (10b) of the first rack member (10) is interlocked with a swinging member (84) for braking the wheel (6) disposed in the vicinity of the lower part (1b) of the outer pipe member (1). And
The operating force of the operating lever (31) is transmitted to the swing member (84) via the meshed second rack member (20) and the first rack member (10), and the wheel A walking carry configured to brake (6). A vertical outer pipe member (1), an inner pipe member (2) inserted into the outer pipe member (1) so as to be vertically slidable, and a handle member fixed to the upper portion of the inner pipe member (2) (3), a first rack member (10) having a plurality of teeth (11) provided in the outer pipe member (1), and a first rack member (10 provided in the inner pipe member (2). And a second rack member (20) having a number of teeth (21) that can be meshed with and separated from the teeth (11).
The upper part (20a) of the second rack member (20) is interlocked with an operation lever (31) pivotally attached to the handle member (3),
A swinging member (84) for braking a wheel (6) disposed near the lower part (1b) of the outer pipe member (1), the lower part (10b) of the first rack member (10), and the wheel (6) interlocked with the locking member (82) for locking,
The operating force of the operating lever (31) is transmitted to the swinging member (84) through the meshed second rack member (20) and the first rack member (10), and the wheels ( 6) The second rack member (20) and the first rack member are configured so as to be switchable between a braking state in which braking is performed and a travelable state , and the operation force of the operation lever (31) is engaged. A walking carry that is configured to be switchable between a locked state in which the wheel (6) is locked by being transmitted to the locking member (82) via (10) and a travelable state . The first rack member (10) and the second rack member (20) are interposed between the first rack member (10) and the second rack member (20). Provide a spring part (80)
Furthermore, the mesh holding state in which the first rack member (10) and the second rack member (20) are engaged by pressing in the direction against the elastic force of the spring part (80), and the pressing is released. And a rack connection / separation operation means (7) capable of switching operation in the pressed release state.
The walking carry according to claim 1 or 2, wherein the inner pipe member (2) can be fixed vertically in a stepped manner.

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