CN2547174Y

CN2547174Y - Walking Stick

Info

Publication number: CN2547174Y
Application number: CN 02233484
Authority: CN
Inventors: 宁致平
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-05-13
Filing date: 2002-05-13
Publication date: 2003-04-30
Anticipated expiration: 2012-05-13

Abstract

The utility model discloses a walking stick mainly comprising a control stick where a body can be inserted, a pivot joining pieces which are arranged at appropriate positions for pivotally connecting a foot rest, and a bottom plug which is hollow in the center and is arranged nearly on the bottom end of the control stick. One end of an adjustable stick passes through the bottom plug and is pivotally arranged in the control stick, while the other end of the adjustable stick is provided with a plurality of pin holes matching with the pin holes of a connecting stick. One end of the foot rest is provided with a pivot joining end matching with the pivot joining pieces of the control stick and is pivotally connected with the control stick through a clamping pin threading the pivot joining pieces. A holding hole where a cross bar can be inserted pivotally is horizontally arranged on the foot rest. The cross bar which can be pivotally inserted into the holding hole of the foot rest is arranged on the head end of the connecting stick, the pin holes on the bottom end of the connecting stick match with the pin holes of the adjustable stick, and a pin is pivotally inserted into the pin holes. Thus, as the pivot joining pieces, the pivot joining end, the connecting stick and the adjustable stick are all in a pivot status, when folding, the interlocking components can act together and the foot rest and the connecting stick are in a state of approaching each other, thereby achieving the function of quick folding.

Description

Crutch

Technical field

The utility model relates to a kind of crutch, refer to especially a kind of by controlling rod, body, regulating lever, foot rest, and connecting rod formed and the crutch that can fold fast jointly.

Background technique

At present, Figure 6 and Figure 7 in general crutch structure such as the application number 83205685, its four jiaos are turned with the chassis and become to set firmly shape, four jiaos are turned and have bigger Area of bearing, when bad passerby grips this crutch in walking, more firm effect can be arranged, this is the main effect of four jiaos of crutch, turns the area that is constituted but generally speaking four jiaos of crutch that turn occupy four jiaos when harvesting, has bigger harvesting volume and be the shortcoming of commonly using crutch when harvesting.

Commonly use the shortcoming that crutch has bigger harvesting volume in view of above-mentioned, so application number 83205685 patent names: four jiaos are turned structure improvement, its four jiaos are turned by a strut and a chassis winding, and extend the number leg around on the chassis, the leg bottom is also overlapped to block set, and it is characterized in that: the positioning seat that make with a plastic material on the chassis is a body, and protruding seat is respectively extended at all acies of its positioning seat angle, form positioning hole in the protruding seat, and appropriate location is provided with projection in the hole; Leg is then made with metal material, suitable can the pegging graft of its top protruding relatively seat positioning hole, and the formation of the projection in corresponding thereon positioning hole draw-in groove, and the phase stopper is located, and nail is worn the protruding seat of knot and leg is fixed to connect, but this structure also produces following shortcoming:

The structure of this patent case is at the protruding seat formation positioning hole on chassis, the leg of can pegging graft in the hole, nail is worn the protruding seat of knot and leg is fixed to connect again, but the crutch of this structure is when need fold, need to connect earlier again leg to be pulled down separately one by one after nail is pulled down and deposit, when taking next time, assemble once more, the complicated step of real tool, and where the leg that Yi Changyin pulls down is positioned over and forgets, need to seek once more to make or have much ado, cause not convenient property in the use, generally use the operator of crutch to be handicapped personage, just need tear open one by one in design with assembling and more not have a design of hommization, it promptly is the main shortcoming of this patent, moreover after leg pulled down, the chassis also occupied certain certain volume, easily causes the waste in space.

In view of so, the inventor accumulates the production and marketing experience of crutch for many years, and research and development constantly have a practicability finally and can improve the product appearance of commonly using drawback.

Summary of the invention

The purpose of this utility model provides a kind of crutch, mainly comprise: controlling rod, body, regulating lever, foot rest, and connecting rod institute is common forms, it is characterized in that: a controlling rod can be for inserted by main body in inside, establish several pivot joint blocks in body of rod appropriate location and be pivoted for the pivot end of foot rest, bottom plug central authorities form hollow shape and are fixedly arranged on controlling rod place, bottom approximately; One regulating lever, one end stretches through at bottom plug and is hubbed in the controlling rod, and in addition end is provided with several tips hole that the tip hole with connecting rod cooperatively interacts; Foot rest at one end forms the pivot end that matches with the pivot joint block of controlling rod, utilizes a card tip to stretch through and be pivoted mutually more thereon, and establishes one in the foot rest lateral attitude and hold the place, hole, is inserted in and is pivoted for a cross bar; Connecting rod can be inserted in the appearance hole of foot rest in head end tool one cross bar and be pivoted, and matches with the tip hole of regulating lever in the tip hole of bottom, is inserted on tip hole with a tip to be pivoted again; By this,, when folding, drive mutual element then and move in the lump, be between foot rest and connecting rod and draw close shape mutually, reach an effect that folds fast because of all being the state that is pivoted between pivot joint block and pivot end and connecting rod, regulating lever.

For further understanding structure of the present utility model and effect, now be described with reference to the accompanying drawings as follows.Yet followingly only explaining embodiment of the present utility model for being used for, is not that the utility model is done any pro forma restriction, so any modification or the change done all are the scopes that belongs to the utility model protection.

Description of drawings

Fig. 1 is a perspective exploded view of the present utility model.

Fig. 2 is a three-dimensional combination schematic representation of the present utility model.

Fig. 3 is a three-dimensional side diagrammatic sketch of the present utility model.

Fig. 4 is a crutch folding schematic representation of the present utility model.

Fig. 5 is a crutch folding schematic representation of the present utility model.

Fig. 6 is second embodiment's schematic representation of the present utility model.

Fig. 7 is the 3rd embodiment's schematic representation of the present utility model.

Fig. 8 is the 4th embodiment's schematic representation of the present utility model.

Fig. 9 makes up schematic representation for the 4th embodiment of the present utility model.

Figure 10 is the 4th embodiment's act of operation schematic representation of the present utility model.

Figure 11 is the 5th embodiment's schematic representation of the present utility model.

Figure 12 folds the back schematic representation for the 5th embodiment of the present utility model.

Embodiment

As shown in Figure 1, the utility model is made of jointly controlling rod 10, body 20, regulating lever 30,

number foot rest

40,50 on connecting rod of number;

One controlling rod 10 can be inserted in inside for body 20, establishes several pivot joint blocks 11 in body of rod appropriate location and is pivoted for the pivot end 41 of foot rest 40, and a bottom plug 12 forms hollow shape at shaft core position, is fixedly arranged on controlling rod 10 place, bottoms approximately;

One regulating lever, 30 1 ends stretch through at bottom plug 12 and are hubbed in the controlling rod 10, and in addition end is provided with several tips hole 31 that the tip hole 51 with connecting rod 50 cooperatively interacts;

Foot rest 40 at one end forms the pivot end 41 that matches with the pivot joint block 11 of controlling rod 10, pivot end 41 places form root edge 43, utilize a card tip 60 to stretch through and be pivoted mutually thereon again, and establish one in foot rest 40 lateral attitudes and hold 42 places, hole, be inserted in and be pivoted for a cross bar 52;

Connecting rod 50 can be inserted in the appearance hole 42 of foot rest 40 at head end tool one cross bar 52 and be pivoted, and matches with the tip hole 31 of regulating lever 30 in the tip hole 51 of bottom, is inserted on

tip hole

31,51 with a tip 61 to be pivoted again;

I.e. as shown in Figure 2 correlation after entire combination, pivot joint block 11 bottom surfaces of controlling rod 10 abut against on pivot end 41 root edges 43 of foot rest 40, so limit the aperture of foot rest 40 tool maximums, and whole loading promptly is passed on the foot rest 40 by the pivot joint block 11 of controlling rod 10, and support its loading by foot rest 40, integral body promptly has supportive, is the side schematic view of assembled state as Fig. 3.

As shown in Figure 4, because of 40 all being the pivot joint state between regulating lever 30 and connecting rod 50 and foot rest, when wanting to fold crutch, by any external force mode with regulating lever 30 pulled down, even connecting rod 50 also toward bottom offset, connecting rod 50 promptly drove each foot rest 40 and drew close mutually this moment, original pivot joint block that abuts against mutually 11 and pivot end then separated attitude 41 this moment, make each foot rest 40 be mutual applying shape, promptly finish folding, fold and finish promptly as shown in Figure 5 with regulating lever 30.

As shown in Figure 6, being the utility model second embodiment, can only be three groups permutation and combination with foot rest 40, and so connecting rod 50 is three, also all becomes to articulate shape each other, the also identical effect of tool when implementing.

As shown in Figure 7, be the utility model the 3rd embodiment, can be separately the design of a ring with pivot joint block 11, pivot joint block 11 is fixedly arranged on controlling rod 10 appropriate locations again, during operation except that the identical effect of tool, use no matter foot rest 40 is three groups or the four groups collocation that all can select to have three pivot joint blocks 11 or four pivot joint blocks 11, have more convenience during enforcement.

As shown in Figure 8, be the utility model the 4th embodiment, establish an elastic element 70 on regulating lever 30, elastic element 70 1 ends are butted on slightly general goal of regulating lever 30 upper end diameter, and end is resisted against on the bottom plug 12 in addition, under the general state, because of the elastic acting force of elastic element 70, make up pull-up of regulating lever 30, and the control foot rest is opened shape for 40 one-tenth, this mode of execution crutch is the tool supportive, promptly shown in the generalized section of Fig. 9.

As shown in figure 10; when crutch is folded; body 20 down folds; body 20 promptly compresses the strength that regulating lever 30 overcomes elastic element 70 again; regulating lever 30 spurs downwards; make the whole effect that folds that also reaches; in use; body 20 is pulled upwardly; elastic element 70 no longer is subjected to compressing of body 20; elastic element 70 promptly up draws regulating lever 30 automatically and promptly makes 40 one-tenth user modes of foot rest automatically, can utilize body 20 and drawing close mutually or becoming user mode, effect of control foot rest 40 is that benefit is more promoted when implementing.

As shown in figure 11, being the utility model the 5th embodiment, is the design of a splayed configuration with the mode of being pivoted of connecting rod 50, when operation, during with regulating lever 30 pulled down, drivening rod 50 moves in the lump with foot rest 40, the state that makes it to have supportive, otherwise, regulating lever 30 is up moved, promptly be a state that folds, promptly as shown in figure 12, the also identical effect of tool when implementing.

Advantage of the present utility model is:

Because of pivot joint block 11 and pivot end 41 and connecting

rod

50,30 of regulating levers all are the state that is pivoted, during operation, only need to make regulating lever 30 actions in arbitrary mode, then driving mutual element moves in the lump, this is an interlock principle, make it the whole convenience that when folding, has more, it will be further appreciated that in addition when folding, 50 on foot rest 40 and connecting rod are draws close shape mutually, integral body does not take up space on volume yet, and reach the effect that folds fast, whole outward appearance and crutch and the indifference of commonly using, this is the great advantage of the utility model creation.

Moreover the utility model is when user mode, pivot joint block 11 bottom surfaces of controlling rod 10 are drawn close on pivot end 41 root edges 43 of foot rest 40, so limit the aperture of foot rest 40 tool maximums, and whole loading promptly is passed on the foot rest 40 by the pivot joint block 11 of controlling rod 10, and supporting its loading by foot rest 40, integral body is the tool supportive.

Therefore to have value higher for crutch structure of the present utility model, more wield advantage.

Claims

1, a kind of crutch mainly comprises: controlling rod, body, regulating lever, foot rest, and connecting rod institute is common forms, and it is characterized in that:

One controlling rod can be established several pivot joint blocks and be pivoted for the pivot end of foot rest for inserted by main body in inside in body of rod appropriate location;

One regulating lever, one end stretches through in controlling rod, and in addition end is provided with several tips hole that the tip hole with connecting rod cooperatively interacts;

Foot rest at one end forms the pivot end that matches with the pivot joint block of controlling rod, and the pivot end place forms root edge, and is pivoted mutually, and establishes one in the foot rest lateral attitude and hold the place, hole;

One end of connecting rod can be inserted in the appearance hole of foot rest and be pivoted, and matches with the tip hole of regulating lever in the tip hole of bottom, is inserted on tip hole with a tip to be pivoted again.

2, crutch as claimed in claim 1 is characterized in that: the permutation and combination that can only be three groups with foot rest.

3, crutch as claimed in claim 1, it is characterized in that: bottom plug forms hollow shape in shaft core position, is fixedly arranged on place, controlling rod bottom.

4, crutch as claimed in claim 1 is characterized in that: can be separately the design of a ring with pivot joint block.

5, crutch as claimed in claim 1 is characterized in that: establish an elastic element on regulating lever, elastic element one end is butted on slightly general goal of regulating lever upper end diameter, and end is resisted against on the bottom plug in addition.

6, crutch as claimed in claim 1 is characterized in that: with the mode of being pivoted of connecting rod is the design of a splayed configuration.