CN101889936A

CN101889936A - Height adjustment structure for seat part of walk assisting vehicle

Info

Publication number: CN101889936A
Application number: CN2009102030551A
Authority: CN
Inventors: 萧芳荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-05-19
Filing date: 2009-05-19
Publication date: 2010-11-24

Abstract

The invention relates to a height adjustment structure for a seat part of a walk assisting vehicle. The height adjustment structure comprises a left side frame, a right side frame and a cross bracket, wherein wheels are arranged on the front parts and the rear parts of the left side frame and the right side frame; the cross bracket is arranged between the left side frame and the right side frame, and the middle parts of the cross bracket are pivoted and fixed in a crossing mode; both lateral lower ends of the cross bracket are respectively pivoted and fixed on the corresponding side frame, and a connecting piece is respectively pivoted between a position adjacent to each lateral upper end of the cross bracket and the corresponding side frame; the two lateral upper ends of the cross bracket are respectively provided with a corresponding supporting tube, the supporting tube at each side is sleeved with a stand pipe which can rotate and is vertical to the ground, and simultaneously, a soft seat face is arranged; and the two sides of the soft seat face are respectively fixed on a left portal bracket and a right portal bracket, and vertical intubation tube parts arranged at the two ends of each portal bracket correspond to the stand pipes on the front and rear casing pipes of the supporting tubes at two sides and can be inserted into the stand pipes to adjust and locate positions with different heights and can not rotate along with the folding movement of the two ends of the cross bracket, so that the walk assisting vehicle is prevented from obstructing or causing the stand pipes or the two ends of the cross bracket to protrude in the folding process.

Description

The height adjustment structure of seat part of walk assisting vehicle

Technical field

The present invention relates to a kind of seat portion of assisting the step car, except can folding receive and, can carry out the adjustment of height simultaneously again, and when also receiving association's step car, order supports the stay pipe of seat portion both sides, and the state that still can keep script to stand makes the receipts of association's step car also more smooth.

Background technology

About us known association step car or travelling aided bicycle, it mainly is to comprise the left and right sides and front and back are equiped with the bogie side frame of wheel, and between side frames, establish again to be and intersect the solid arm support of pivot and be linked to therebetween by the centre, being provided with at the upper end of this arm support again simultaneously can be for the position of taking of taking, and this take the position can be when both sides bogie side frame and arm support fold can folding, as the U.S. the 7th, 108, No. 004 patent, be the structure of association's step car of identical function, though but its take the position can be along with bogie side frame and folding of arm support and folding, after it launched, its height of taking the position but was fixed.

Simultaneously, make the dealer who produces association's step car, in order to reduce the expenditure of cost, the dimensions of association's step car of being produced, all has only a kind of size, even so under the different situation of different user and its height, the ride height that the step Che Suoneng of this association provides still is when immobilizing, the user that ride height is too high or height is higher may take place the shorter user of height, and the low excessively problem of ride height may take place, and it is suitable comfortable and meet the ride height of ergonomics that user can't be obtained.

Summary of the invention

Therefore, in order to overcome the facial position of seat of above-mentioned existing association step car, though can fold by folding, but can't do the adjustment of suitable height along with different users's stature, so the technical solution adopted for the present invention to solve the technical problems is: order links two upper ends of the arm support of left and right sides bogie side frame, all be arranged with the telescopic support bar that can freely rotate before and after respectively being provided with, and on the support bar before and after the both sides, respectively be provided with standpipe, and the face of seat both sides are provided with intubate portion in each standpipe corresponding position, and then intubate portion can be inserted in the standpipe, and can adjust height again.

The invention provides a kind of height adjustment structure of seat part of walk assisting vehicle, comprise that two is corresponding and front and back all are provided with the left and right side frame of wheel, and one or two intersect in the middle of pivot admittedly together arm support be located between the left and right side frame, and on the solid pairing bogie side frame of each pivot of lower end, both sides that makes this arm support, upper end, the both sides of this arm support vicinity is located then respectively to establish respectively and between the pairing bogie side frame to connect part and is articulated binding simultaneously, and make again on the both sides upper end of arm support and respectively be horizontally set with corresponding support bar, and between two support bars, be provided with soft and the seat face energy folding, both sides that wherein should the seat face are individually fixed on the portal trestle of each side, and the front and back that make the portal trestle of each side respectively are provided with the vertical intubate portion that is, and each place, set support bar two ends, both sides, arm support upper end respectively is arranged with rotary sleeve pipe, and respectively is provided with the standpipe that can supply the intubate portion corresponding inserted at portal trestle two ends on the sleeve pipe before and after making again.

The invention has the beneficial effects as follows, by on the support bar of the both sides, arm support upper end of above-mentioned association step car sheathed sleeve pipe, because can freely rotate, so when arm support and close or when launching, though allow standpipe on the sleeve pipe can keep the state that stands at any time, and then order is when sitting facial position and folding, and its intubate portion still keeps vertical state, can overslaugh to the folding of association's step car.

Description of drawings

The present invention is further described below in conjunction with drawings and Examples, wherein:

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a perspective exploded view of the present invention.

Fig. 3 is a side-looking seat surface sketch map of the present invention.

Fig. 4 is the sketch map after side-looking seat surface of the present invention is heightened.

Fig. 5 is a rearview of the present invention.

Fig. 6 is that arm support of the present invention is when launching and the sketch map between portal trestle.

Fig. 7 is that arm support of the present invention is when folding and the sketch map between portal trestle

Fig. 8 is the sketch map after the association of the present invention step, car folded.

The specific embodiment

See also Fig. 1,2 and shown in Figure 3, structure of the present invention is the bogie side frame 1 that comprises left and right sides correspondence, 2, and be equiped with wheel 11 in the front and back of each bogie side frame, 21, and again at left and right side frame 1, be in the middle of being provided with between 2 and intersect pivot together arm support 3 admittedly, and the lower end, both sides 31 of this arm support 3, the 32nd, pivot is fixed in each bogie side frame 1 of each corresponding position, on 2, and each bogie side frame 1 of contiguous place, upper end, the both sides of arm support 3 and institute's respective side, between 2, respectively establish with company's part 4 pivot joints and be linked to therebetween, simultaneously make the both sides upper end of arm support 3 respectively be provided with horizontal support bar 33 again, 34, and make the support bar 33 of each side, 34 pre-position, two ends, offer respectively and be radial long slot bore 331,341 (as Fig. 6 or shown in Figure 7), and at each long slot bore 331,341 places are equiped with the locator 35 of can elastic telescopic and protruding again, each support bar 33 in both sides again then, 34 front and back respectively wear a

sleeve pipe

36,37, and sleeve pipe 36 at each end, offer a locating hole 361 on 37,371, allow the locator 35 of corresponding position, be able to by locating hole 361,371 places pass, and make each sleeve pipe 36 again, 37 are provided with the standpipe 362 that is vertical configuration with ground, 372, and each standpipe 362, be respectively equipped with locating hole 360 on 372,370.

In addition, an if seat face 5 of making by soft cloth, its both sides are on the portal trestle 6 about being fixed in, and the rear and front end that makes the portal trestle 6 of each side is provided with vertical and each standpipe 362,372 corresponding to opposite side) intubate portion 61, be interval with a plurality of locating holes 610 on the pipe face of intubate portion 61 with each end in season, on each standpipe 362,372, be provided with then can the embedding folder thereon and have a localizer 7 that can insert the bumping post 71 in locating

hole

360 and 610 or 370 and 610 simultaneously.

Therefore, please consult Fig. 3 again, shown in 4, go on foot the bogie side frame 1 of the left and right sides of car when association, during 2 expansion, arm support 3 therebetween also can be opened thereupon, the seat face 5 that makes its upper end by support flat after, while each support bar 33 of both sides, the locator 35 of 34 front and back just in time supports and terminates in long slot bore 331,341 end terminals (please cooperate shown in Figure 6), make

sleeve pipe

36,37 rotation to the inside can not take place, and then can provide seat face 5 to take to user, after user can take off the localizer 7 before and after each side simultaneously, just can adjust the height of seat face 5, after being transferred to the ride height that is fit to user, again each localizer 7 is inserted locating

hole

360 and 610, or after on 370 and 610, seat face 5 is fixed in predetermined height place, so order association goes on foot the function that the position has height adjustment of taking of car, enable to be suitable for people's use of different heights.

Otherwise, Fig. 5,6 and shown in Figure 7, when association's step, car was desired to fold, can be with the bogie side frame 1 of the left and right sides, 2 relatively inwardly pass merging, arm support 3 therebetween also can and close thereupon, though this arm support 3 and the process of closing in, the stay pipe 33 of its both sides, upper end, 34 can be because of move the transformation that produces angle thereupon, but the sleeve pipe 36 at its two ends, 37 can be because of stay pipe 33, the change of 34 angles and along with change, make sleeve pipe 36, standpipe 362 on 37,372 still keep vertical state, the upright angle of portal trestle 6 can be affected, and then make

bogie side frame

1,2 and portal trestle 6 between no matter be association's step car be deployed condition (as Fig. 5) or and during receipts state (as Fig. 8), can both keeping parallelism.

Claims

1. the height adjustment structure of a seat part of walk assisting vehicle, comprise that two is corresponding and front and back all are provided with the left and right side frame of wheel, and one or two intersect in the middle of pivot admittedly together arm support be located between the left and right side frame, and on the solid pairing bogie side frame of each pivot of lower end, both sides that makes this arm support, upper end, the both sides of this arm support vicinity is located then respectively to establish respectively and between the pairing bogie side frame to connect part and is articulated binding simultaneously, and make again on the both sides upper end of arm support and respectively be horizontally set with corresponding support bar, and between two support bars, be provided with soft and the seat face energy folding, both sides that wherein should the seat face are individually fixed on the portal trestle of each side, and the front and back that make the portal trestle of each side respectively are provided with the vertical intubate portion that is, and each place, set support bar two ends, both sides, arm support upper end respectively is arranged with rotary sleeve pipe, and respectively is provided with the standpipe that can supply the intubate portion corresponding inserted at portal trestle two ends on the sleeve pipe before and after making again.

2. the height adjustment structure of seat part of walk assisting vehicle according to claim 1, wherein the support bar front and back end of this upper end, arm support both sides respectively offers radial long slot bore, but and on long slot bore, be equiped with the locator of elastic telescopic, the support bar front and back end sheathed sleeve pipe corresponding position then be provided with the locating hole that can allow locator stretch out.

3. the height adjustment structure of seat part of walk assisting vehicle according to claim 1, wherein before and after the support bar of upper end, this arm support both sides sheathed telescopic standpipe be provided with locating hole, and be interval with a plurality of locating holes in the intubate portion at each side door shape support two ends, and be provided with in each standpipe place and can embedding be sandwiched on the standpipe and have the bumping post that can insert in the locating hole.