Wheelchair pushing state fatigue testing device

Abstract

The utility model discloses a wheelchair pushing state fatigue testing device. Comprising a wheelchair and a testing device, the wheelchair comprises a handle, front wheels, rear wheels and a seat, the testing device comprises a bottom plate, two axisymmetric front wheel baffles and two axisymmetric rear wheel baffles are installed on the bottom plate, an air cylinder is vertically arranged between the two axisymmetric rear wheel baffles, and the bottom of the air cylinder is connected to a shaft rod through a first connector; the left end and the right end of the shaft rod are arranged in the two bearings in a penetrating mode, the two bearings are both installed on the bearing seat, the bearing seat is fixedly connected to the bottom plate, the floating connector is installed at the output end of the air cylinder and fixedly connected to the second connector, the second connector is connected to the fixing plate through the guide column, the fixing plate is fixedly connected with the handle through the handrail fixing piece, and the air cylinder is connected to the control table. The wheelchair fatigue testing device can test the fatigue of the wheelchair in a propelling state, and is convenient to operate and simple in structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to fatigue testing device technical field, concretely relates to a wheelchair pushing state fatigue testing device. BACKGROUND

[0002] Wheelchair is the important walking tool of the disabled, and the wheelchair can make them not be isolated from the outside world due to the body obstacle, and can have the opportunity to go out of the house, go to the society, and share the social civilization achievements and happy life with the healthy person. Due to the particularity of wheelchair user, if wheelchair product has quality problem, it is easy to cause greater harm to the user.

[0003] In daily use, the use of wheelchair is divided into two states of the initiative of the disabled and the pushing of others, and the pushing of others is different from the initiative of the disabled when encountering the road bumping condition, and the pushing of others is easy to encounter the road condition that all the small casters are stressed, and the existing wheelchair fatigue testing device does not simulate the condition of the pushing of others. UTILITY MODEL CONTENTS

[0004] The utility model aims at the deficiency of prior art, and provides a wheelchair pushing state fatigue testing device which simulates the pushing of others and the condition that all the small casters are stressed when bumping.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme: a wheelchair pushing state fatigue testing device, which comprises a wheelchair and a testing device, the wheelchair comprises a handle, a front wheel, a rear wheel and a seat, and the testing device comprises a bottom plate, two-axis symmetrical front wheel baffle plates and two-axis symmetrical rear wheel baffle plates are installed on the bottom plate, a cylinder is vertically arranged in the middle of the two-axis symmetrical rear wheel baffle plates, the bottom of the cylinder is connected to a shaft rod through a first joint, the left and right ends of the shaft rod are arranged in two bearings, the two bearings are installed on a bearing seat, the bearing seat is fixedly connected to the bottom plate, a floating joint is installed on the output end of the cylinder, the floating joint is fixedly connected to a second joint, the second joint is connected to a fixed plate through a guide column, the fixed plate and the handle are fixedly connected through an armrest fixing piece, and the cylinder is connected to a control console.

[0006] Preferably, the front wheel baffle plate is in the shape of L, which is composed of a front main plate abutting against the surface of the front wheel and a front side plate, and the bottom of the front side plate is fixedly connected to the bottom plate; the rear wheel baffle plate is in the shape of Z, which is composed of a rear main plate abutting against the surface of the rear wheel, a rear side plate and a reinforcing elbow plate, and the bottom of the rear side plate and the reinforcing elbow plate is fixedly connected to the bottom plate.

[0007] Preferably, the front wheel baffle plate is arranged corresponding to the front wheel of the wheelchair, the rear wheel baffle plate is arranged corresponding to the rear wheel of the wheelchair, the bottom of the front wheel baffle plate is provided with a first waist round hole, and the bottom of the rear wheel baffle plate is provided with a second waist round hole.

[0008] Preferably, the first bolt is arranged to pass through the first waist round hole and connect the bottom plate and the front wheel stop plate, and the second bolt is arranged to pass through the second waist round hole and connect the bottom plate and the rear wheel stop plate.

[0009] Compared with the prior art, the utility model has the advantages that: the utility model simulates the road bumping condition of others in the wheelchair pushing state through the up-down movement of the cylinder, sets the up-down pushing times of the cylinder through the control console, places the dummy on the wheelchair and fixes, observes whether the wheelchair is deformed after a certain number of operations, so as to achieve the purpose of fatigue detection in the pushing state, and the fatigue detection device in the pushing state is simple in structure and convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the first perspective axonometric view of the utility model.

[0011] Figure 2 It is the second perspective axonometric view of the utility model.

[0012] Figure 3 It is the axonometric view of the front wheel stop plate and the rear wheel stop plate in the utility model.

[0013] Figure 4 It is the top view of the bottom plate in the preferred embodiment of the utility model.

[0014] In the utility model, 10 is a bottom plate, 11 is a front wheel stop plate, 12 is a rear wheel stop plate, 13 is a wheelchair, 14 is a control console, 15 is a bearing seat, 16 is a bearing, 17 is a cylinder, 18 is a first joint, 19 is a fixed plate, 20 is a handrail fixing piece, 21 is a floating joint, 22 is a first waist round hole, 23 is a second waist round hole, 24 is a shaft rod, 25 is a second joint, 26 is a front main plate, 27 is a front side panel, 28 is a rear main plate, 29 is a rear side panel, 30 is a reinforcing elbow plate, 31 is a first bolt, and 32 is a second bolt. DETAILED DESCRIPTION

[0015] The utility model is further illustrated in combination with the drawings and the specific embodiments, and it should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model, and after reading the utility model, the modification of various equivalent forms of the utility model by the person skilled in the art falls within the range defined by the claims of the application.

[0016] As Figures 1 to 3The wheelchair 13 shown in the pushing state fatigue test device, including wheelchair 13 and test device, wheelchair 13 includes handle, front wheel, rear wheel, seat, test device includes bottom plate 10, two axis symmetrical front wheel baffle 11 and two axis symmetrical rear wheel baffle 12 are installed on the bottom plate 10, the middle of two axis symmetrical rear wheel baffle 12 is vertically provided with a pneumatic cylinder 17, the bottom of the pneumatic cylinder 17 is connected to a shaft 24 through a first joint 18, the left and right ends of the shaft 24 are provided in two bearings 16, the two bearings 16 are installed on a bearing seat 15, the bearing seat 15 is bolted to the bottom plate 10, a floating joint 21 is installed on the output end of the pneumatic cylinder 17, the floating joint 21 is bolted to a second joint 25, the second joint 25 is connected to a fixed plate 19 through a guide column, the fixed plate 19 is bolted to the handle through a handrail fixing piece 20, and the pneumatic cylinder 17 is connected to a console 14.

[0017] The front wheel baffle 11 is L-shaped, which is composed of a front main plate 26 abutting against the surface of the front wheel and a front side plate 27, and the bottom of the front side plate 27 is bolted to the bottom plate 10. There are two front wheel baffles 11, which limit the outer side and front of the front wheel of the wheelchair 13. The rear wheel baffle 12 is Z-shaped, which is composed of a rear main plate 28 abutting against the surface of the rear wheel, a rear side plate 29 and a reinforcing elbow plate 30. The bottom of the rear side plate 29 and the reinforcing elbow plate 30 is bolted to the bottom plate 10. There are two rear wheel baffles 12, which limit the outer side and rear of the rear wheel of the wheelchair 13.

[0018] As a preferred embodiment, as shown in the figure, Figure 4 The front wheel baffle is arranged corresponding to the front wheel of the wheelchair 13, the rear wheel baffle is arranged corresponding to the rear wheel of the wheelchair 13, the first waist round hole 22 is arranged on the bottom plate 10 corresponding to the bottom of the front wheel baffle, the second waist round hole 23 is arranged on the bottom plate 10 corresponding to the bottom of the rear wheel baffle, the first bolt 31 is arranged to pass through the first waist round hole 22 and connect the bottom plate 10 and the front wheel baffle, and the second bolt 32 is arranged to pass through the second waist round hole 23 and connect the bottom plate 10 and the rear wheel baffle. The first waist round hole 22 and the first bolt 31 are matched to adjust the distance of the front wheel baffle 11, the second waist round hole 23 and the second bolt 32 are matched to adjust the distance of the rear wheel baffle 12, which is convenient for coping with wheelchairs 13 with different distances.

[0019] The working process and principle of the utility model: put the simulation dummy on the seat, set the telescopic length and telescopic frequency of the cylinder 17 through the console 14, when the cylinder 17 stretches, the second joint 25 fixed with the floating joint 21 on the top of the cylinder 17 drives the fixed plate 19 to move upwards, at this time, the front wheel of the wheelchair 13 abuts on the front main plate 26, the rear wheel of the wheelchair 13 lifts up, realizes the forward toppling of the wheelchair 13; when the cylinder 17 contracts, the second joint 25 connected with the floating joint 21 on the top of the cylinder 17 drives the fixed plate 19 to move downwards, at this time, the rear wheel of the wheelchair 13 abuts on the rear main plate 28, the front wheel of the wheelchair 13 lifts up, realizes the backward toppling of the wheelchair 13; through controlling the continuous telescoping of the cylinder 17, realizes the continuous forward toppling of the wheelchair 13 with the front wheel as the center and the backward toppling of the wheelchair 13 with the rear wheel as the center, the whole movement state is the forward and backward toppling of the wheelchair 13 when simulating others pushing the wheelchair 13 through the handle behind the wheelchair 13, sets the telescoping times of the cylinder 17 through the console 14 to simulate the forward and backward toppling times of the wheelchair 13, to achieve the purpose of the fatigue detection of the wheelchair 13 pushing state.

[0020] It should be readily understood that "on," "over," and "above" in the present disclosure should be interpreted in the broadest context possible, such that "on" means not only "directly on" but also includes the meaning of "on" with intervening features or layers therebetween, and "over" or "above" includes not only the meaning of "over" or "above" but also the meaning of "over" or "above" without intervening features or layers therebetween (i.e., directly on).

[0021] In addition, spatially relative terms, such as "beneath", "below", "lower", "above", "upper" and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0022] It should be noted that, in the present document, relational terms such as "first" and "second", and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0023] Finally, it should be noted that the above-described embodiments are merely intended for describing and illustrating, not limiting, the technical solutions of the present application; even though the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some or all of the technical features thereof; and such modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A wheelchair propelling status fatigue test device comprising a wheelchair and a test device, the wheelchair comprising a handle, a front wheel, a rear wheel, a seat, characterized in that: The testing device comprises a base plate, two-axis symmetrical front wheel baffle plates and two-axis symmetrical rear wheel baffle plates are installed on the base plate, a cylinder is vertically arranged in the middle of the two-axis symmetrical rear wheel baffle plates, the bottom of the cylinder is connected to a shaft rod through a first joint, the left and right ends of the shaft rod are arranged in two bearings, the two bearings are both installed on a bearing seat, the bearing seat is fixedly connected to the base plate, a floating joint is installed on the output end of the cylinder, the floating joint is fixedly connected to a second joint, the second joint is connected to a fixed plate through a guide column, the fixed plate is fixedly connected to a handle through a handrail fixing piece, and the cylinder is connected to a control console.

2. The wheelchair push-impaired fatigue test device according to claim 1, characterized by: The front wheel baffle plate is in L shape and is composed of a front main plate abutting against the surface of the front wheel and a front side plate, the bottom of the front side plate is fixedly connected to the base plate; the rear wheel baffle plate is in Z shape and is composed of a rear main plate abutting against the surface of the rear wheel, a rear side plate and a reinforcing elbow plate, the bottom of the rear side plate and the reinforcing elbow plate is fixedly connected to the base plate.

3. The wheelchair push-impaired fatigue test device of claim 1, wherein: The front wheel baffle plate is arranged corresponding to the front wheel of the wheelchair, the rear wheel baffle plate is arranged corresponding to the rear wheel of the wheelchair, the base plate is provided with a first waist round hole corresponding to the bottom of the front wheel baffle plate, and the base plate is provided with a second waist round hole corresponding to the bottom of the rear wheel baffle plate.

4. The wheelchair push-impaired fatigue test device according to claim 3, characterized by: A first bolt is arranged to pass through the first waist round hole and connect the base plate and the front wheel baffle plate, and a second bolt is arranged to pass through the second waist round hole and connect the base plate and the rear wheel baffle plate.

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