CN1891187B - walking aid - Google Patents

Abstract

The walking aid comprises a supporting column 3 standing on a base frame 2, an adjustable supporting column 4 extensibly provided on the supporting column 3, and the seat back 5 provided on a top part of the adjustable supporting column 4 to support the upper body of the user. The seat back 5 includes a concave part 8 provided on a center part thereof, a stable gripping member 9 protruding toward a front side of the concave part 8, and an arm rest 10 provided on upper parts of both sides of the concave part 8, which are integrally composed of synthetic resin by blow molding. The stable gripping member 9 is provided with a grip part G, G symmetrically protruding so as to be angular at a part closer to their home at the center part 5a. The arm rest 10 is provided with a slippage prevention part 11 whose outer edge is mounted so as to be higher than the upper surface closer to the concave part 8. To provide a walking aid with a lighter seat back to support an upper body of a user and a detachable upper cushion member thereof, which offers stability and improvement in its maintenance.

Description

walking aid

technical field

The present invention relates to a walking aid which realizes weight reduction by integrating a reclining part supporting the user's upper body with resin, realizes stability, and makes a detachable cushion member placed on the reclining part. , but also improve maintenance.

Background technique

Hitherto, gait aids have been used for gait training during functional recovery training after long-term convalescence and as gait assistance for elderly people. As an example of such a walking aid, there is a walking aid of the following structure: on a U-shaped base frame, walking casters are installed, with 4 or 2 pillars, and a horseshoe-shaped cushion member is installed on the base frame through a height adjustment mechanism. on 2 pillars.

For example, a walking assist device disclosed in Non-Patent Document 1 (Japanese Utility Laid-Open No. 5-11933) has also been commercialized.

In this walking aid, the base frame is made into a shape that expands toward the open side, and at the same time, the support is erected at the approximate center of the closed side opposite to the open side, and is installed so as to be inclined toward the open side of the base frame. The cushion part is installed on the pillar by means of a height-adjusting support mechanism, which is used for steplessly adjusting the height and then fixedly supporting the cushion part. The cushion part has a recess corresponding to the abdomen of a human body and is used to place two The wide part of the elbow pad of the upper limb.

According to the walking aid configured in this way, the following effects can be obtained.

(1) The cushion part is made into a shape with a concave part corresponding to the abdomen of the human body and a wide part for placing the elbow pads of the two upper limbs, and the cushion part is adjusted and fixed according to the height of the user, so that the upper body of the user can be reasonably supported .

(2) Since the support is erected at the center portion of the closed side of the base frame, the support does not bump into the surroundings and be injured when walking.

(3) When not in use, other walking aids can be pushed in from the expanded open side of the base frame for stacking, and no large space is required for storage.

However, in the above-mentioned walking aid, the handle portion must be composed of other parts in addition to the cushion member, and accordingly the number of parts is increased.

Also, since the plywood is used as the cushion member with the vinyl-faced artificial leather attached, the upper part becomes heavier, the center of gravity becomes higher, and the stability of the walker as a whole decreases.

In addition, when vinyl-faced artificial leather is used as the surface of the cushion member, damage may occur due to contact with the wall surface or the like.

Contents of the invention

The present invention is an invention proposed to improve such a problem, and the object is to provide such a walking aid that realizes weight reduction by integrating the leaning part with resin, reduces the number of parts, and realizes stability while placing it on the walking aid. The cushion part on the leaning part is detachable, which also improves maintenance.

In order to solve the above problems, in the technical solution 1 of the present invention, the following walking aid is proposed, which is provided with: a base frame and a pillar erected on the base frame; Pillar; a leaning part on the top of the adjusting pillar for supporting the upper body of the user, a recess for accommodating the torso of the user is provided on the leaning part, and armrests for placing arms and elbows are provided on the upper side of both sides of the recess , and a stable gripping part is provided, and the stable gripping part has a left-right symmetrical handle protruding toward the front side of the recess, and the stable gripping part is formed in a shape inclined forward and upward from the leaning part, so that the leaning The central part of the front part of the part protrudes forward in a convex shape, and at the same time, the central part of the opposite stable grip part is bent into a concave shape, so that the distance between the front part of the leaning part and the stable grip part is narrower than The distance between the two handle parts and the leaning part.

In claim 2 of the present invention, there is proposed a walking aid in which an armrest portion of the leaning portion is provided with a movement and fall prevention portion whose outer edge is higher than an upper surface close to the concave portion.

In claim 3 of the present invention, there is proposed a walking aid in which the handle portion is formed into a mountain shape, and the user can hold the handle portion with their elbows resting on the armrest portion of the leaning portion.

In claim 4 of the present invention, there is proposed a walking aid in which the stable grip member is narrower in width than the leaning portion, and has a shape inclined forward and upward from the leaning portion.

In claim 5 of the present invention, there is proposed a walking aid in which a cushion member is detachably provided on the upper surface of at least the armrest for arms and elbows of the leaning portion via an engaging device.

In the sixth aspect of the present invention, the following walking aid is proposed: the engaging means is composed of an engaging protrusion provided on the inner side of the cushion member and a corresponding engaging protrusion formed on the leaning part. Engagement holes on the top surface.

In the technical solution 7 of the present invention, a walking aid in which the engaging device is a magic tape is proposed.

In claim 8 of the present invention, a walking aid is proposed in which the leaning portion is integrally formed of resin.

Adopt the present invention, there is following advantage:

(1) Since the armrest portion of the leaning portion and the stabilizing grip member are integrated, the number of parts can be reduced and the manufacturing cost can be suppressed.

(2) The leaning part is integrally molded by resin, and the cushion part is made detachable. Therefore, the cushion part can be detached to remove stains under the situation that the conventional cushion surface, that is, the artificial leather, is not damaged, and it can also be washed with water.

(3) In addition, since the leaning portion is made of a resin molded product, the weight can be reduced, and the center of gravity can be lowered than conventional ones, thereby improving the overall stability of the walker.

With the technical solution 1, the user can easily grasp the handle portion of the stable holding member in front of the concave portion by moving to a position where the torso portion is close to the concave portion of the leaning portion.

In the case of a small person who cannot move freely, even if the two arms fall forward and downward from the space between the handle part and the leaning part before holding the handle part with both hands, because the center of the holding part will be stabilized. The area is curved and concave, so that the vicinity of the face and throat are also protected from collision with the stable grip.

Also, when not in use, when storing the walking aid, even if a plurality of walking aids are stacked on top of each other, because the pillar of the previous walking aid just reaches the concave central part of the stable grip part of the following walking aid. , so it can also be stored in an overlapping state without hindering the stable grip of the parts.

According to technical solution 2, even if the elbow is placed on the armrest of the leaning part for leaning, the movement and falling off part of the outer edge can prevent the arm from moving and falling off, and the body can be stably supported.

According to the technical solution 3, the user can grasp the handle part of the stable holding part in the state of placing the elbow on the armrest part of the leaning part.

Adopting technical solution 4, the user with weak grip leans forward and approaches the leaning part, even if both hands are removed from the handle part or both arms fall forward and downward from the space between the handle part and the leaning part, because the stable grip The width of the member is narrower than the width of the leaning part, so both arms can be blocked by the space in the middle to be protected, and the upper body can be supported so that the upper body does not fall excessively.

According to claim 5, since the cushion member is attached to at least the upper surface of the armrest part in the leaning part by the engaging means, even if the user leans tightly, the user can support without pain. Also, the cushion member may be removed for maintenance, or only the cushion member may be replaced.

According to technical solution 6, the back cushion member can be easily mounted on the backrest part by pushing the engagement protrusion provided on the back surface of the cushion member into the engagement hole provided at a predetermined position on the upper surface of the reclining part.

According to claim 7, only the cushion member can be placed at a predetermined position on the upper surface of the leaning portion, and the cushion member can be held so as not to move.

According to claim 8, weight reduction can be achieved by constituting the leaning portion with a resin molded product.

Description of drawings

FIG. 1 is a perspective explanatory view of an embodiment of the walking aid of the present invention.

Fig. 2 is a perspective explanatory view of a leaning portion of the walking aid shown in Fig. 1 .

Fig. 3 is an explanatory top view of the leaning portion shown in Fig. 2 .

Fig. 4 is a side view of the leaning portion shown in Fig. 3 .

Fig. 5 is a front view of the leaning part shown in Fig. 3 .

Fig. 6 is a sectional view taken along line A-A in Fig. 3 .

Fig. 7 is a plan view of a state in which a cushion member is attached to a reclining portion.

Fig. 8 is a sectional view taken along line A-A in Fig. 7 .

Fig. 9 is a perspective explanatory view showing the use state of the walking aid of the present invention.

Fig. 10 is a perspective explanatory view showing the use state of the walking aid of the present invention.

Fig. 11 is a perspective explanatory view showing the use state of the walking aid of the present invention.

Fig. 12 is a diagram for explaining the protective effect against possible intrusion when using the walking aid of the present invention.

Fig. 13 is a perspective explanatory view showing a storage state of the walking aid of the present invention when not in use.

Detailed ways

Hereinafter, an embodiment of the walking aid of the present invention will be described based on the drawings.

Fig. 1 table walking aid 1, this walking aid 1 is provided with: base frame 2 and the pillar 3 that is erected on the base frame 2; The leaning portion 5 on the top of the pillar 4 is used to support the user's upper body.

The base frame 2 is composed of a straight horizontal leg tube 2a, a pair of vertical leg tubes 2b, 2b and a base frame member 2c. The vicinity of the end is integrated, and the other end side is expanded to be larger than the interval between the one end members. The base frame member 2c is used to integrate the pair of vertical leg pipes 2b, 2b and to install the support column 3 .

The pair of vertical leg pipes 2b, 2b are bent at predetermined places near both ends, and are set at a predetermined interval higher than the floor surface.

Furthermore, walking casters 6 are attached to both ends of the horizontal leg pipe 2a and the other end sides of the pair of vertical legs 2b, 2b, respectively.

In addition, at appropriate places of the base frame 2 as above, for example, on the two ends of the horizontal leg tube 2a, the middle part of a pair of vertical leg tubes 2b, 2b, and the walking casters 6, suitable protective buffers are provided. Part P.

The support column 3 is erected at the center of the base frame member 2 c and is slightly inclined toward the center of the base frame 2 .

Also, although not shown in the figure, a gas spring for steplessly adjusting the adjusting column 4 and fixedly supporting the leaning portion 5 is provided on the column 3 . The structure of the gas spring is: by operating the rod 7 arranged on the front of the upper part of the adjustment strut 4, the adjustment strut 4 can be adjusted steplessly up and down.

Moreover, said leaning part 5 is made of an integral blow-molded body using known synthetic resin, and it is provided with a recess 8 for accommodating the user's torso at the center, and a stable gripping part 9 protrudes from the front side of the recess 8, Armrests 10 for placing arms and elbows are provided on the upper sides of both sides of the concave portion 8 (see FIGS. 3 , 4 , and 5 ).

That is, as shown in FIG. 3 , the leaning portion 5 is made into a wide upper substantially flat central portion 5a and a shape connected to the armrest portion 10 from both sides of the central portion 5a to the rear, and the concave portion is defined in the center. 8. In addition, a plurality of engaging holes h of an engaging device for attaching a cushion member described later are formed at appropriate intervals on the upper surface of the central portion 5a and the upper surface of the armrest portion 10 .

The stable grip member 9 is formed of a curved tube of a predetermined diameter protruding from the central portion 5 a of the leaning portion 5 in a shape inclined forward and upward. On both sides of the central portion 5a of the stable grip member 9 near the base, there are handles G, G protruding into symmetrical mountain shapes for the convenience of the user to hold.

In contrast, there is a convex portion K that makes the front central edge of the central portion 5a of the leaning portion 5 protrude forward in a convex shape, and at the same time, it is configured to bend the central portion of the opposite stable grip member 9 to form a convex shape. The concave curved part C narrows the distance between the concave curved part C and the convex part K of the central part 5a than the distance between the two handle parts G, G and the leaning part, thereby forming spaces S, S' .

In addition, the armrest 10 is formed in an elongated shape with a size that can place an arm and an elbow, and is provided with a movement and fall prevention portion 11 whose outer edge is higher than the upper surface close to the concave portion 8 .

Next, the cushion member 12 mounted on the above-mentioned reclining portion 5 will be described.

As shown in FIGS. 2 and 7 , the cushion member 12 is composed of a first cushion member 12a attached to the central portion 5a of the reclining portion 5 and a second cushion member 12b attached to both armrests 10 , 10 . Of course, the structure of the cushion member 12 is not limited thereto, and it may also be constituted by one cushion member. In addition, cushion members may be attached only to both armrest parts 10 and 10 .

The material of the cushion member 12 can be made of well-known soft materials. Furthermore, an engaging protrusion as an engaging means is provided on the inner side of the cushion member. The engaging protrusions correspond to the engaging holes h formed on the upper surface of the central portion 5 a of the leaning portion 5 and the upper surface of the armrest portion 10 , and are provided in the same number at symmetrical intervals.

The engaging hole h is formed as a through hole formed when the leaning portion 5 is molded. The engaging hole h is formed with an upper hole h1 and a lower hole h2. The inner diameter of the upper side of the upper hole h1 is slightly smaller than the outer diameter of the engaging protrusion, and the inner diameter of the lower hole h2 is larger than the upper hole h1. At this time, the inner diameter of the upper hole h1 near the surface is slightly larger than the inner diameter at the center (refer to FIG. 6 ). Moreover, the top end of the engaging protrusion is slightly larger than the inner diameter at the center of the upper hole h1.

The above is an example of the engaging device, and other nylon adhesive tapes and other snap buttons can also be used. (Illustration omitted)

Also, as the engaging means, a horizontally elongated fitting protrusion located on the back of the cushion member may be formed, or a horizontally elongated fitting recess provided corresponding to the fitting protrusion located on the upper side of the leaning portion. (Illustration omitted)

In the walking aid 1 of the above structure, the user moves from the open side of the base frame 2, that is, the other end side of the pair of vertical leg tubes 2b, 2b, into the recess 8 in the center of the base frame 2, and moves close to the body so that The trunk part abuts against the recessed part 8 of the leaning part 5, and the handle parts G and G of the stable grip part 9 protruding obliquely upward from the central part 5a of the leaning part 5 can be grasped, and the walking aid 1 can be pushed. Walk forward.

The handles G and G of the stable grip member 9 protrude in a mountain shape near the base of both the central part 5a of the leaning part 5, so even if the position is easy to hold according to the user's physique or injury status, Differently, the user can also easily hold the handle G, the easy-to-hold places within the G range.

And, when walking, even if there is the situation that the base frame 2 contacts with the surrounding walls, etc., by setting the two ends of the horizontal leg pipe 2a, the middle part of the pair of vertical leg pipes 2b, 2b and the walking casters 6, cushioning part P for proper protection without injury. Also, even if the leaning part 5 hits an obstacle such as a wall, the leaning part 5 is made of a resin integrally molded product, so it will not be injured.

If the height of the leaning portion 5 is not suitable, operate the gas spring, release the locking state of the gas spring by operating the lever 7 on the front of the adjustment strut 4 top, and move the adjusting strut 4 up and down to change the supporting height of the leaning portion 5.

In this way, since the height of the leaning part 5 can be freely adjusted, as shown in Figures 9 to 11, it can correspond to the user's physique and condition, and is also suitable for use as a walking recovery training machine when the user is recuperating for a long time. .

For example, in FIG. 9 , the user is an elderly person and the use state of the situation where the injury is serious. At this time, the user can support the body with the arms and elbows placed on the armrest portion 10 of the leaning portion 5 . At this time, the cushion member 12 on the leaning portion 5 functions well, and even if the user leans tightly, the user can support without pain.

In addition, the armrest 10 is provided with the anti-movement and falling-off portion 11 formed by making the outer edge higher than the upper surface close to the recess 8, so that the arm and elbow can be prevented from moving and falling off.

In this way, by placing the user's elbow on the armrest part 10, the hand can easily reach the stable holding part 9 inclined forward and upward from the central part 5a of the leaning part 5, and grasp the handle part of the stable holding part 9. G and G can walk forward while pushing the walking aid 1 .

For example, there is a situation where the user's grip strength is weak or the arm is not free, or the user leans forward and leans on the leaning part 5 , and the two hands are separated from the handle parts G, G. At this time, even if the two arms pass through the space S and S' of both sides formed on the stable holding part 9 and fall into the front downward, since the width of the stable holding part 9 is narrower than the width of the leaning part 5, the two arms are in the middle It is blocked and protected by the spaces S and S', and can be supported so that the upper body does not collapse excessively.

Also, when the user is small and cannot move freely, even if the two arms fall forward and downward from the space S, S' before holding the handle part G, G with both hands, since the central part of the stabilizing grip part 9 constitutes a The concavity C is thus protected from collisions with the stabilizing grip part 9 in the vicinity of the face and throat.

When not in use, when keeping the walking aid 1, the base frame 2 of the following walking aid 1 is pushed in from the rear side of the base frame 2 of the previous walking aid 1, even if the walking aids 1 overlap each other, the previous walking aid 1 The movable support 4 of the walking aid 1 just reaches the concave central part of the stable grip part 9 of the walking aid 1 on the rear side, so the stable grip parts 9 will not get in the way, and can be stored in an overlapping state. Storage space can be suppressed (see FIG. 13 ).

Furthermore, even if the cushion member 12 on the leaning portion 5 is soiled due to use, the cushion member 12 can be removed for easy maintenance.

When removing the cushion member 12, push up the engagement protrusion, which is the engagement means of the cushion member, from the inside of the leaning portion 5 from the side of the lower hole h2 of the engagement hole h (see FIG. 8 ).

An example has been given above to illustrate the walking aid 1. The structure of the leaning part 5 is as follows: a recess 8 for accommodating the user's torso is provided at the central part, and a stable grip protruding to the front side of the recess 8 is adopted by using well-known synthetic resin. The holding member 9 and the armrests 10 for placing the arms and elbows on both sides of the concave portion 8 constitute an integral blow-molded body, so the number of parts can be reduced, and at the same time, it is possible to reduce the weight, and the center of gravity can be lower than that of existing walkers. , improved walking stability.

Moreover, the cushion member 12 is provided in the said leaning part 5, and the leaning part 5 which does not need to use the cushion member 12 can also be made. However, at this time, it is necessary to adopt a material that is easy to absorb shock and prevent slipping as the material of the leaning portion 5 .

Symbol Description

1 walking aid 2 base frame 2a horizontal leg tube 2b vertical leg tube 2c base frame part 3 pillar

4Adjustment pillar 5Reclining part 5a Central part 6Walking caster 7Rod 8Concave part 9Steady grip part 10Armrest part 11Movement and fall prevention part 12Cushion part 12a1st cushion part 12b2nd cushion partPBuffer partGHandle partC Concave part K convex part S, S' space h engaging hole h1 upper hole h2 lower hole.

Claims (10)

1. a walking assisting device is characterized in that,

Be provided with: pedestal and the upright pillar that is located on the pedestal; The scalable adjustable fixing that is located on this pillar with regulating; And be located at the adjustable fixing top, be used to support the rest portions of the upper part of the body of user, be provided with the recess that holds the user trunk in this rest portions, be provided with in this recess both sides upper side simultaneously and place the elbow armrest part, and be provided with stable gripping member, this stable gripping member has the outstanding and symmetrical handle portion to described recess front side, described stable gripping member forms from the shape of rest portions to the front upper place inclination, make the forwards outstanding convex that is in front, center portion place of described rest portions, make the central part bending of relative described stable gripping member be concavity simultaneously, make the interval between that the front portion of described rest portions and the interval between the stable gripping member are narrower than two handle portions and the rest portions.

2. walking assisting device as claimed in claim 1 is characterized in that,

On the armrest part of described rest portions, be provided with lateral border and move the portion that comes off than high the preventing of upper surface of close recess.

3. walking assisting device as claimed in claim 1 is characterized in that,

The position makes described handle portion form the chevron shape near two foundation places of rest portions, and user can be caught described handle portion with the state that elbow is placed on the armrest part of rest portions.

4. walking assisting device as claimed in claim 3 is characterized in that,

The width of described stable gripping member is narrower than the width of rest portions, makes the shape that tilts from the rest portions front upper place.

5. as each described walking assisting device of claim 1～4, it is characterized in that,

The upper surface of placing elbow usefulness armrest part at least in described rest portions releasably is provided with the back cushion parts by clamping close device.

6. walking assisting device as claimed in claim 5 is characterized in that,

Described clamping close device is made of the engaging teat of the rear side that is located at the back cushion parts and connecting hole corresponding with this engaging teat and that be formed on the upper surface of described rest portions.

7. walking assisting device as claimed in claim 5 is characterized in that,

Described clamping close device is the sticking chain of nylon.

8. as each described walking assisting device of claim 1～4, it is characterized in that,

Described rest portions is integrally formed and constitute by resin.

9. walking assisting device as claimed in claim 5 is characterized in that,

Described rest portions is integrally formed and constitute by resin.

10. as claim 6 or 7 described walking assisting devices, it is characterized in that,

Described rest portions is integrally formed and constitute by resin.

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