CN2170666Y

CN2170666Y - crutch base

Info

Publication number: CN2170666Y
Application number: CN 93240573
Authority: CN
Inventors: 陈玉堂
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-09-21
Filing date: 1993-09-21
Publication date: 1994-07-06
Anticipated expiration: 2003-09-21

Abstract

The utility model relates to a walking stick base, it is by the base, support loop bar, the protecting cover is constituteed, wherein the base is in the upper end and predetermines a concave arc breach, and the bottom surface then is equipped with an indent cambered surface, the breach end is built-in to be put into the end and has the support loop bar of ball piece, and put an open-ended protecting cover on the ball piece, pass the slotted hole on the base and lock in the nut in the protecting cover indent perforation with the screw, make protecting cover and base solidify mutually, make the ball piece can pin joint in the breach, and make walking stick support loop bar can make the moderate degree change along with supporting angle according to touching the topography that supports ground, so that the base can touch completely and paste in ground.

Description

Walking stick base

This utility model relates to a kind of Walking stick base that improves structure, refers to especially a kind ofly do the design of appropriate support angle change with the steady support bearing pressure that increases user to the landform on ground according to touching.

Injured or the inconvenient person that walks of general shank is often by means of crutch, a kind of known crutch main-body structure as shown in Figure 5, it mainly is connected with by a support B by a pole A forms.By a support seat B is that a tool is down cone body, is horizontally set with a cushion B1 on it relying on the arm oxter of user, and establishes a cross bar B 2 in the intermediate ends appropriate location and hold for the user hand and take.Lower end group by the support seat is established the pole A that an end has blob of viscose A1, constitutes the main body of crutch thus.Be applied to the supplemental support shank and walk inconvenient person when using when this crutch is implemented, user can rely on the cushion B1 by support seat B the arm oxter and hold cross bar B 2, move crutch and advance forward so as to holding cross bar B 2, and cushion B1 shoring by holding and have concurrently the comfortable effect of mitigation when the skew of user centre of body weight is provided.In addition, the also appropriate supply crutch of blob of viscose A1 that has of pole A end touches the buffering top power when ground and the effect of on-slip between advancing.

There is following shortcoming in above-mentioned known crutch structure:

Since crutch in using under the situation over a long time, this blob of viscose is made the drawback that friction contact consume because of regular and ground and is taken place, and causes it to detract to some extent on buffering top power and on-slip effect, completely loses even.

2. because the wearing and tearing of blob of viscose might cause unfilled corner or scarce limit, so that walk inconvenient person when moving at the supplemental support shank, can the injured anxiety of falling be arranged because of touching between blob of viscose and ground to incomplete when it.

3. above-mentioned crutch mainly is connected with a pole by support seat lower end and becomes, its pole adopts the mode of setting firmly to connect, when shank inconvenience person support is movably walking, if when running into comparatively rugged road (as the road in the construction), because of pole set firmly and can't adjust ground touch to angle, easily cause crutch to use inconvenience, and make user feel to shore difficulty.

The purpose of this utility model is to overcome above-mentioned shortcoming, proposes a kind of Walking stick base that improves structure.

This utility model mainly by base, support members such as loop bar, protecting cover and formed, wherein base is the colloid pedestal that a upper end is provided with the concave arc breach, correspondingly in the breach end installs empty support loop bar in the colloid that end has the ball piece, and is provided with a catch in the ball piece; On the ball piece, be nested with in addition a protecting cover that is provided with arc opening, to run through the slotted eye of bottom mutually neat for corresponding base and the default indent of side face at the bottom of the protecting cover is bored a hole, be locked in the nut that the indent perforation embeds in advance to make screw pass slotted eye from lower to upper, make protecting cover and base be integral combination, ball piece pivot is tied in breach and can appropriateness be rotated, make crutch pole and support loop bar and can do appropriate support angle change, make base touch fully being affixed on the ground and increase the steady support bearing pressure and the safety of user according to touching to the landform on ground.

Details are as follows to this utility model below in conjunction with preferred embodiment and accompanying drawing, wherein:

Fig. 1 is a three-dimensional exploded view of the present utility model;

Fig. 2 is an assembled sectional view of the present utility model;

Fig. 3 is an illustrative view of the present utility model;

Fig. 4 is a sucker illustrative view of the present utility model;

Fig. 5 is the sketch map of existing crutch.

At first, see also Fig. 1 and Fig. 2, this utility model consists predominantly of base 1, supports members such as loop bar 2 and protecting cover 3, wherein:

Base 1 is the colloid pedestal that a upper end is preset with concave arc breach 11, and its bottom surface is provided with an inner concave arc surface 12, and has down provided a through hole 111 in breach 11 bottoms, passes to inner concave arc surface 12, and equidistantly is provided with several slotted eyes 13 in base 1 bottom side periphery;

Support loop bar 2 and be empty body in the colloid that an end has ball piece 21, be provided with a hard catch 22 in its ball piece 21, so that pole 4 is when inserting, the unexpected ball piece 21 that penetrates;

Be provided with opening 31 and be mounted on all-in-one-piece lid on the base 1 in the middle of the protecting cover 3, opening 31 downsides are provided with a cambered surface 311, can overlap the last cambered surface that is placed on ball piece 21, and ball piece 21 is positioned in breach 11 ends, and hexagonal indent perforation 32 is arranged and embed nut 34 in advance in the corresponding slotted eye 13 position direct forming of protecting cover 3 side faces, can cooperate screw 33 to penetrate from lower to upper in the slotted eye 13 and be locked on indent and bore a hole in the 32 built-in nuts 34, protecting cover be set for 3 groups be positioned to become a crutch pedestal on the base 1.

Form when implementing, see also Fig. 2, the ball piece 21 that supports loop bar 2 ends is installed in breach 11 ends in advance, thereupon the more corresponding loop bars 2 that support of opening 31 of protecting cover 3 being put and are mounted on the base 1, and make the indent perforation 32 alignment slotted eyes 13 of protecting cover 3, again from lower to upper DRIVE SCREWS 33 to slotted eye 13 and be locked in the nut 34 in the indent perforation 32, protecting cover 3 is positioned on the base 1, and the lower camber side 311 of opening 31 is suitable to be sleeved on the ball piece 21, but to concede points piece 21 pivots in breach 11 and be easy to rotate.When disabled (or shank wounded body) uses the walking of this utility model supplemental support, if run into rugged road, as shown in Figure 3, then can be pivot in 11 to move and make and support loop bar 2 and change support angle easily by ball piece 21 in breach, contact fully with ground with maintenance base 1, thus the safety of assurance walker.

In addition, the bottom surface of base 1 is an inner concave arc surface 12, borrow it, when user down presses by top pole 4 order support loop bars 2, the end cambered surface of this support loop bar 2 promptly hinders envelope through hole 111, and roof pressure base 1 breach, 11 bottom surfaces and cause inner arc space, bottom side to dwindle, simultaneously the air extrusion in the inner concave arc surface 12 are discharged tool adsorption (as shown in Figure 4) to form a sucker; Otherwise, upwards draw when dialling when supporting loop bar 2, through hole 111 unimpeded, make air pour in the inner concave arc surface 12, thereby remove its absorption affinity by breach 11 end via through holes 111; In addition, the outer peripheral edges face of inner concave arc surface 12 also can be made as the asperities face of protruding grain of a tool or groove, so that Walking stick base of the present utility model firm more and better on-slip effect of tool when the walking of disabled (or shank wounded body) supplemental support is provided.

If in two angel's times spent, rainwater promptly along by ball piece 21 and breach 11 pivots knot stay the gap water conservancy diversion of establishing naturally, and be collected to breach 11 bottoms, again via through hole 111 drain in outside, to prevent that Walking stick base 1 is when the rainy day uses, make in this breach 11 and hoard rainwater, and cause the pivot translation-angle to have some setbacks and lose absorption on-slip effect.

Above-mentioned structure of the present utility model has following many improvement effects:

1. the ball piece that links so as to support loop bar end is hubbed in the base breach, form the structure of a capable of regulating translation-angle, when making it be used for rugged road, this support loop bar can be done according to the landform on ground the change of appropriate support angle, and make base can touch fully to smooth on ground, to guarantee disability user's safety.

2. because base adopts a colloid to make and the design of bottom surface tool inner concave arc surface, make it when touching to ground, keep somewhere the bottom a space, this space can inside contract because of down pressing of support bar, to produce such as the adsorption function as the sucker, and the bottom surface also can be made as the asperities face, in the stability that increases virtually the crutch supplemental support and on-slip effect.

3. the breach bottom has through hole, hoards the rainwater in breach in the time of can draining the rainy day.

In sum, Walking stick base provided by the utility model has not only overcome the shortcoming that exists in the prior art, and can reach desired use effect really, has practicality.

Claims

1. A crutch base, which is mainly composed of a base, a supporting rod, and a protective cover; it is characterized in that: the base is a colloidal base with a concave arc notch on the upper end, which is correspondingly set in the notch end The end of the ball block is provided with a colloidal hollow support sleeve rod and a block is provided inside the ball block, and a protective cover with an arc-shaped opening is placed on the ball block, and the bottom surface of the protective cover is preset with a concave perforation , aligned with the slot hole through the bottom of the base, several screws pass through the slot hole from bottom to top and are locked in the nut pre-embedded in the concave perforation, so that the cover and the base are fixed as one.

2. The crutch base according to claim 1, characterized in that the bottom surface of the base is provided with a concave arc surface to form a suction cup, so as to have an adsorption and anti-slip function.

3. The crutch base as claimed in claim 1, wherein a through hole is pierced downward at the bottom end of the notch to communicate with the inner concave arc surface to facilitate exhaust and water drainage.

4. The crutch base according to claim 1, characterized in that the outer peripheral edge of the concave arc surface on the bottom surface of the base can also be provided with a concave-convex surface with convex grains or grooves to increase the anti-slip effect.