CN219903932U - Elastic auxiliary pulley and walker using same - Google Patents

Abstract

The utility model discloses an elastic auxiliary pulley and a walker applying the pulley, which comprises casters and an elastic support connected to the casters, wherein a first frame body close to one side of a human body and a second frame body far away from one side of the human body are arranged at the front end of the walker, an orientation wheel is arranged at the rear end of the walker, an elastic support and casters are arranged on the first frame body correspondingly provided with the anti-slip pad, the casters can prop up the anti-slip pad under the elastic action of the elastic support, the walker is in a forward sliding state, the elastic support is compressed to prop the anti-slip pad against the ground so that the walker is in a braking state, meanwhile, the walker takes a forward step by means of the walker, the walker is convenient to use, the hand movement is less, the effort of a user is saved, the user can rest through the seat, the anti-slip pad is propped against the bottom surface under the action of the weight of the user during rest, the friction force with the ground is effectively increased, and the sliding is prevented.

Description

Elastic auxiliary pulley and walker using same

Technical Field

The utility model relates to the technical field of auxiliary articles for daily life, in particular to an elastic auxiliary pulley and a rollator using the same.

Background

The existing rollator has more varieties, the common rollator can be roughly divided into two-wheel rollator and four-wheel rollator, and the two rollators can provide auxiliary walking function for users, but partial shortages still exist when the rollator is used; for example, a two-wheeled walker is typically composed of two handles, two wheels and two legs, and when a user is about to push the walker forward, the two legs at the rear end of the walker are slightly lifted by the handles when the user is about to move, and the walker is pushed forward a distance by the two wheels at the front of the walker, or directly pushed forward by friction between the slipmat and the ground, both of which are inflexible and are prone to fatigue after a period of use.

In the patent application document with the application number of CN202222410266.6, a walking aid is disclosed, and the walking aid is a four-wheel walking aid, in the application, a brake handle is arranged in a handrail assembly and is connected with a brake pad through a brake cable to brake, a user needs frequent hand actions to control to brake when using the walking aid, the walking aid is inconvenient to use, and even in a braking state when using a seat assembly, friction between the walking aid and the ground is insufficient, the walking aid is easy to slip, and hidden danger exists when using the walking aid.

Disclosure of Invention

Aiming at the technical defects in the background technology, the utility model provides an elastic auxiliary pulley and a rollator using the pulley, solves the technical problems and meets the actual requirements, and the specific technical scheme is as follows:

the utility model provides an elasticity auxiliary pulley, includes the truckle and connects the elasticity support on the truckle, elasticity support is including articulated support one and support two of connecting, the tip of support one is the centre gripping form and connects on the both sides terminal surface that support two is close to support one direction, and corresponds the hookup location of support one and support two wears to be equipped with connecting stud one, connecting stud one corresponds the inside of support two is equipped with the torsional spring, support two orientation the bottom of one side of support one direction is equipped with the arc wall, support one corresponds the position of arc wall is equipped with connecting stud two, the both ends of torsional spring are connected on the connecting stud two, the middle part of torsional spring is contradicted on the support two.

As the improvement of above-mentioned scheme, the cross-section of support two is the type of falling U, support two is including being the horizontal part that the level set up, setting up in the horizontal part both sides and be the kink first and kink second that the right angle was buckled downwards, the quantity of support one is 2 and the shape is the arc, the tip of support one is laminated respectively and is connected on the outside terminal surface of kink first and the outside terminal surface of kink second.

As the improvement of above-mentioned scheme, kink one orientation the bottom of support one direction is equipped with arc limit one, arc wall is connected to arc limit one's one end, and the other end orientation the horizontal part direction is buckled, kink two orientations the bottom of support two directions is equipped with arc limit two, arc wall is connected to arc limit two's one end, and the other end orientation the horizontal part direction is buckled.

As an improvement of the scheme, the first bending part and the second bending part extend towards the direction far away from the first bracket and are symmetrically arranged along the central axis of the horizontal part, and the first bending part and the second bending part are provided with a third connecting stud and a fourth connecting stud which are aligned up and down at one end far away from the first bracket.

The utility model provides an use auxiliary pulley's of elasticity help driving, includes seat, is close to support body one of human one side and keeps away from support body two of human one side, support body one with the hookup location is equipped with connecting elements between the support body two, support body one the top with connecting elements articulates and connects, support body two's top is equipped with flexible handle, support body two's bottom is equipped with the directive wheel, is close to support body one's bottom is equipped with the truckle, the truckle with be equipped with elastic support between the support body, support body one's bottom is equipped with the slipmat.

As the improvement of above-mentioned scheme, the seat includes dependence portion and seat portion, the both ends of dependence portion are connected respectively on the connecting elements of two left sides of support body and right side, the below of seat portion is equipped with the containing box, just one side of seat portion with the containing box articulates and connects.

As an improvement of the scheme, a first connecting rod is transversely arranged on the first frame body, a second connecting rod is transversely arranged on the second frame body, and the front part and the rear part of the storage box are respectively connected with the first connecting rod and the second connecting rod in a clamping manner.

As an improvement of the scheme, a reinforcing sheet is connected between the two sides of the storage box and the first frame body.

The utility model has the beneficial effects that:

the front end of the auxiliary vehicle is provided with the directional wheels, the rear end of the auxiliary vehicle is provided with the anti-slip pad, and the first frame body which is correspondingly provided with the anti-slip pad is provided with the elastic support and the truckles, under the condition that the auxiliary vehicle is not subjected to downward pressing acting force, the truckles can prop up the anti-slip pad under the action of the elastic force of the elastic support, the auxiliary vehicle can slide forwards, after a certain sliding distance, a user can press the auxiliary vehicle downwards by means of self gravity, the elastic support is compressed, the anti-slip pad is abutted against the ground to enable the auxiliary vehicle to be in a braking state, meanwhile, the auxiliary vehicle is used for forward walking, the auxiliary vehicle is convenient to use, the hand action is less, the effort of the user is saved, the user can rest through the seat when the user is tired, the anti-slip pad is abutted against the bottom surface under the action of the weight of the user, the friction force with the ground is effectively increased, and the sliding is prevented.

Drawings

Fig. 1 is a schematic view of the caster and the elastic support structure of the present utility model.

Fig. 2 is a schematic side view of the caster of the present utility model.

FIG. 3 is a schematic view of the torsion spring position of the present utility model.

FIG. 4 is a schematic view of the torsion spring structure of the present utility model.

Fig. 5 is a schematic view of a second structure of the bracket of the present utility model.

Fig. 6 is a schematic perspective view of the rollator of the present utility model.

Fig. 7 is a schematic diagram of a three-dimensional structure of a rollator according to the utility model.

Wherein: the caster comprises a caster 1, an elastic support 2, a support 3, a connecting stud 301, a support 4, a horizontal part 401, a first bending part 402, a first arc edge 4021, a second bending part 403, a second arc edge 4031, an arc groove 404, a connecting stud 405, a torsion spring 406, a connecting stud 407, a connecting stud 408, a seat 5, a resting part 501, a sitting plate 502, a storage box 503, a frame 6, a skid pad 601, a connecting rod 602, a reinforcing sheet 603, a frame 7, a telescopic handle 701, a directional wheel 702, a connecting rod 703 and a connecting member 8.

Detailed Description

Embodiments of the present utility model will be described below with reference to the accompanying drawings and examples, but the embodiments of the present utility model are not limited to the following examples, and the present utility model relates to the relevant essential parts in the art, and should be regarded as known and understood by those skilled in the art.

As shown in fig. 1 to 4, an elastic auxiliary pulley comprises a caster 1 and an elastic support 2 connected to the caster 1, the elastic support 2 comprises a support one 3 and a support two 4 which are connected in a hinged manner, the end part of the support one 3 is connected to the end surfaces of two sides of the support two 4, which are close to the direction of the support one 3, a connecting stud one 405 is arranged at the connecting position corresponding to the support one 3 and the support two 4 in a penetrating manner, a torsion spring 406 is arranged in the connecting stud one 405 corresponding to the support two 4, an arc-shaped groove 404 is arranged at the bottom of one side of the support two 4, an arc-shaped groove 301 is arranged at the position corresponding to the arc-shaped groove 404 of the support two 4, two ends of the torsion spring 406 are connected to the connecting stud two 301, and the middle part of the torsion spring 406 is abutted to the support two 4.

As shown in fig. 1 to 3, in the structure of the present utility model, the elastic support 2 includes a first support 3 and a second support 4, the hinge position between the second support 4 and the first support 3 is provided with the first connection stud 405 in a penetrating manner, the first connection stud 405 is sleeved with the torsion spring 406, the middle part of the torsion spring 406 abuts against the horizontal part 401 on the second support 4, two ends of the torsion spring 406 are connected to the second connection stud 301 on the first support 3, the position of the second connection stud 301 is limited in the arc-shaped groove 404 on the second support 4 by the elastic force of the torsion spring 406, and the arc-shaped groove 404 limits the maximum opening distance of the torsion spring 406, so that the caster 1 does not excessively extend towards the anti-slip pad 601 under the elastic force of the torsion spring 406 to cause contact against the anti-slip pad 601, and the sliding effect is affected;

as shown in fig. 5, further, in the above-mentioned scheme, the cross-section of support two 4 is the type of falling U, support two 4 is including being the horizontal part 401 that the level set up, setting in horizontal part 401 both sides and being the kink first 402 and kink second 403 that the right angle was buckled downwards, the quantity of support one 3 is 2 and the shape is the arc, the tip of support one 3 is laminated respectively and is connected on the outside terminal surface of kink second 403 and the outside terminal surface of kink first 402, connecting stud one 405 wears to establish to connect support one 3, kink first 402 and kink second 403, connecting stud one 405 corresponds kink first 402 with the position between kink second 403 is equipped with torsional spring 406, through torsional spring 406 is right support one 3 applys with the articulated power between the support two 403, kink first 402 is towards support one 3 the bottom of orientation is equipped with arc limit one 4021, the one end connection arc 404 of arc limit one 4021, the other end orientation is in the direction of kink first 402 towards horizontal part 401, the kink second 405 is equipped with the arc limit 31 towards two bottom of support one end 404 is equipped with two arc limit height-down in the arc-shaped groove one end 404 is in the arc-shaped position of arc-shaped profile 4031, and two is in the arc-shaped profile top of arc-shaped position of motion profile two is in the arc-shaped groove 404 is in the one end of arc-shaped position down position of one end of the arc-shaped support one 4031.

As shown in fig. 5, in the above solution, the first bending portion 402 and the second bending portion 403 extend in a direction away from the first bracket 3 and are symmetrically disposed along the central axis of the horizontal portion 401, and the first bending portion 402 and the second bending portion 403 are disposed at one end away from the first bracket 3 and have a third connecting stud 407 and a fourth connecting stud 408 aligned up and down.

As shown in fig. 2, in the first use state of the present utility model, the torsion spring 406 is in an open state, the torsion spring 406 limits the connection stud 301 on the first bracket 3 to the arc-shaped slot 404 through elasticity under the action of no external force, the caster 1 on the first bracket 3 moves downward under the action of the torsion spring 406, and when the first bracket 3 reaches the maximum open angle, the height dimension of the bottom end of the caster 1 is lower than the height dimension of the anti-slip pad 601, so that the anti-slip pad 601 is lifted upwards by the caster 1 under the action of the elasticity of the torsion spring 406 to be separated from the ground, when people use the walker, the orientation wheel 702 is arranged on the second bracket 7 on the walker, and when the caster 1 on the second bracket 7 is not under the action of external force, the anti-slip pad 601 at the bottom end of the second bracket 4 can be lifted through elasticity, so that the walker can slide effectively through the orientation wheel 702 at the bottom and the caster 1.

In the second use state of the present utility model, the user sits on the seat 5 or holds the telescopic handle 701 to press down, so as to press the anti-skid pad 601 against the ground, the torsion spring 406 is compressed under the action of external force, the second connecting stud 301 on the first bracket 3 moves upwards in an arc along the first arc edge 4021 and the second arc edge 4031, the caster 1 moves synchronously upwards in an arc along the first bracket 3, the height dimension of the bottommost end of the caster 1 is consistent with the height dimension of the anti-skid pad 601, the anti-skid pad 601 is pressed against the bottom surface under the action of downward force, so as to play a braking role, and the anti-skid pad 601 can be prevented from sliding when sliding is needed, the caster 1 lifts the anti-skid pad 601 at the bottom end of the first bracket 6 under the action of the elastic bracket 2, so that the working state of the anti-skid pad 601 is switched to a slidable state.

As shown in fig. 6 to 7, a walker using elastic auxiliary pulleys comprises a seat 5, a first frame body 6 close to one side of a human body and a second frame body 7 far away from one side of the human body, wherein a connecting member 8 is arranged at a connecting position between the first frame body 6 and the second frame body 7, the top end of the first frame body 6 is hinged with the connecting member 8, a telescopic handle 701 is arranged at the top end of the second frame body 7, a directional wheel 702 is arranged at the bottom of the second frame body 7, the bottom of the second frame body 7 is provided with the trundle 1 close to the first frame body 6, an elastic support 2 is arranged between the trundle 1 and the frame body, and an anti-slip pad 601 is arranged at the bottom end of the first frame body 6.

As shown in fig. 6 and 7, further, in the above-mentioned scheme, the seat 5 includes a resting portion 501 and a sitting plate portion 502, two ends of the resting portion 501 are respectively connected to the connecting members 8 on the left side and the right side of the second frame body 7, a storage box 503 is disposed under the sitting plate portion 502, and one side of the sitting plate portion 502 is hinged to the storage box 503, when the walker is in a walking mode, the user only needs to release the force applied to the telescopic handle 701 when walking, the elastic support 2 pushes the castor 1 to lift the bottom end of the anti-slip pad 601 on the walker, so that the walker can be pushed to slide forward, after the walker slides by a certain size, the user uses the telescopic handle 701 to force the body weight on the walker, the first frame body 6 is stressed to compress the elastic support and the castor 1, so that the anti-slip pad 601 is abutted against the ground, and can move the walker with force, and the walker is more convenient when walking.

As shown in fig. 6 to 7, in the above-mentioned scheme, a first connecting rod 602 is transversely disposed on the first frame 6, a second connecting rod 703 is transversely disposed on the second frame 7, the front and rear portions of the storage box 503 are respectively connected with the first connecting rod 602 and the second connecting rod 703 in a clamped manner, reinforcing plates 603 are connected between two sides of the storage box 503 and the first frame 6, the storage box 503 can be used for placing personal belongings, a user can directly sit on the seat plate 502 when tired, and the anti-slip pad 601 at the bottom end of the first frame 6 is fixed on the ground through self weight, so that the seat 5 can not slip, and a rest mode can be provided for the user.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (8)

1. The utility model provides an elasticity auxiliary pulley, its characterized in that includes truckle (1) and connects elasticity support (2) on truckle (1), elasticity support (2) are including articulated support one (3) and support two (4) of connecting, the tip of support one (3) is the centre gripping form and connects on the both sides terminal surface that support two (4) are close to support one (3) direction, and correspond the hookup location of support one (3) and support two (4) wears to have connecting stud one (405), connecting stud one (405) correspond the inside of support two (4) is equipped with torsional spring (406), support two (4) towards the bottom of one side of support one (3) direction is equipped with arc wall (404), support one (3) correspond the position of arc wall (404) is equipped with connecting stud two (301), the both ends of torsional spring (406) are connected on connecting stud two (301), the middle part of torsional spring (406) is contradicted on support two (4).

2. The elastic auxiliary pulley according to claim 1, wherein the cross section of the second bracket (4) is in an inverted U shape, the second bracket (4) comprises a horizontal portion (401) which is horizontally arranged, a first bending portion (402) and a second bending portion (403) which are arranged on two sides of the horizontal portion (401) and bend downwards in a right angle, the number of the first brackets (3) is 2, the shapes of the first brackets are arc-shaped, and the end parts of the first brackets (3) are respectively attached to the outer side end face of the first bending portion (402) and the outer side end face of the second bending portion (403).

3. The elastic auxiliary pulley according to claim 1, wherein an arc-shaped edge one (4021) is arranged at the bottom of the first bending part (402) facing the first bracket (3) direction, one end of the arc-shaped edge one (4021) is connected with an arc-shaped groove (404), the other end of the arc-shaped edge one (4021) is bent towards the horizontal part (401), an arc-shaped edge two (4031) is arranged at the bottom of the second bending part (403) facing the second bracket (4) direction, one end of the arc-shaped edge two (4031) is connected with the arc-shaped groove (404), and the other end of the arc-shaped edge two (4031) is bent towards the horizontal part (401).

4. The elastic auxiliary pulley according to claim 1, wherein the first bending part (402) and the second bending part (403) extend towards a direction away from the first bracket (3) and are symmetrically arranged along a central axis of the horizontal part (401), and one end of the first bending part (402) and the second bending part (403) away from the first bracket (3) is provided with a third connecting stud (407) and a fourth connecting stud (408) which are aligned up and down.

5. A rollator using an elastic auxiliary pulley according to any one of claims 1 to 4, comprising a seat (5), a first frame body (6) close to one side of a human body and a second frame body (7) far away from one side of the human body, wherein a connecting member (8) is arranged at a connecting position between the first frame body (6) and the second frame body (7), the top end of the first frame body (6) is hinged with the connecting member (8), the top end of the second frame body (7) is provided with an telescopic handle (701), the bottom of the second frame body (7) is provided with a directional wheel (702), the bottom close to the first frame body (6) is provided with a caster wheel (1), an elastic support (2) is arranged between the caster wheel (1) and the frame body, and the bottom end of the first frame body (6) is provided with a non-slip mat (601).

6. Rollator according to claim 5, characterized in that the seat (5) comprises a resting portion (501) and a sitting portion (502), both ends of the resting portion (501) are connected to the connecting members (8) on the left and right sides of the frame body two (7), respectively, a receiving box (503) is arranged below the sitting portion (502), and one side of the sitting portion (502) is hinged to the receiving box (503).

7. The rollator of claim 6, wherein the first frame (6) is transversely provided with a first connecting rod (602), the second frame (7) is transversely provided with a second connecting rod (703), and the front and the rear of the storage box (503) are respectively connected with the first connecting rod (602) and the second connecting rod (703) in a clamping manner.

8. Rollator according to claim 6, characterized in that a reinforcement piece (603) is connected between the two sides of the receiving box (503) and the frame body one (6).