Auxiliary arm supporting equipment

By combining supporting and movable components, the tension of the energy storage unit is used to effectively support the arm, solving the problem of poor support stability in existing equipment during arm lifting and improving the support effect and stability of the equipment.

CN120985605AActive Publication Date: 2025-11-21ZHEJIANG BURLEY TOOLS
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Patent Information

Application Number
CN202511205073.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-27
Publication Date
2025-11-21
Estimated Expiration
2045-08-27

AI Technical Summary

Technical Problem

Existing arm support devices exhibit a gradual decrease in lever tension as the user's arm moves from horizontal to overhead, resulting in poor support stability and affecting stable control of the object.

Method used

The structure adopts a combination of a support member, a first movable member, a second movable member, a third movable member, a first connecting part, and an energy storage part. When the energy storage part is taut, it applies an upward pulling force to the first connecting part, and the rotational torque of the movable member achieves effective support for the arm.

Benefits of technology

It improves the support effect of the arm-assisted support device, enhances the stability of the arm, and ensures that the user can maintain stable control of the object during operation.

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Abstract

The invention discloses arm auxiliary supporting equipment which comprises a supporting component, a first movable component, a second movable component, a third movable component, a first connecting part and an energy storage part, one end of the first movable component is relatively movably connected to the supporting component, one end of the second movable component is relatively movably connected with the first movable component, and the other end of the second movable component is connected with the third movable component. One end of the energy storage part is connected with the second movable component, the other end of the energy storage part is relatively movably connected with the third movable component, one end of the third movable component is relatively movably connected with the supporting component, the first connecting part is arranged on the second movable component or the third movable component, the first end of the energy storage part is connected with the supporting component, and the second end is connected with the first connecting part. When the first movable component generates downward rotating torque, the second movable component tends to move downwards, upward pulling force can be applied to the second movable component and the third movable component under the pulling force effect of the energy storage part, and then the arm supporting effect is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of auxiliary support equipment, in particular to an arm auxiliary support equipment. BACKGROUND

[0002] For the scenario that the user holds up the arm for a long time to work, the problem of fatigue or even injury is easy to occur, in order to solve this problem, the arm auxiliary support equipment is currently used to support the arm of the user, so as to reduce the labor intensity.

[0003] However, the existing arm auxiliary support equipment mainly includes a support rod, a lever and an elastic band, the rod body of the lever is hinged to the support rod, one end of the lever is connected with the arm, and the other end is connected with the elastic band, under the elastic force of the elastic band, the downward pulling force can be applied to the lever, so that the one end of the lever connected with the arm is turned upward, and then an upward assisting effect is provided to the arm of the user, however, the lever of the above structure mainly relies on the pulling force of the elastic band, and when the arm of the user is lifted from the horizontal lifting to the upward lifting, the pulling force of the lever gradually decreases, so that the supporting stability of the lever is poor, and then the stable control of the object held by the user in the working process is affected.

[0004] Therefore, how to improve the supporting effect of the arm auxiliary support equipment on the arm is a technical problem to be solved by the person skilled in the art. SUMMARY

[0005] The purpose of the present application is to provide an arm auxiliary support equipment which can effectively improve the supporting effect on the arm.

[0006] In order to achieve the above purpose, the present application provides the following technical scheme:

[0007] An arm auxiliary support equipment, comprising:

[0008] a support member;

[0009] a first movable member, one end of which is movably connected to the support member, the first movable member being used for connecting with the arm;

[0010] a second movable member, one end of which is movably connected to the first movable member;

[0011] a third movable member, one end of which is movably connected to the support member, and the other end of the second movable member is movably connected to the third movable member;

[0012] a first connecting portion provided on the second movable member or the third movable member;

[0013] an energy storage portion, a first end of which is connected to the support member, and a second end of the energy storage portion is connected to the first connecting portion.

[0014] In some embodiments, the first connecting part is movably connected to the second movable member or the third movable member, and the second movable member or the third movable member is provided with an adjusting part for adjusting the distance between the first connecting part and the hinge axis of the third movable member and the support member.

[0015] In some embodiments, the adjusting part comprises a threaded adjusting part, the third movable member is provided with a sliding groove, the first connecting part is slidingly connected to the sliding groove through a sliding block, and the threaded adjusting part is threadedly connected to the sliding block.

[0016] In some embodiments, the energy storage part comprises an elastic part, a first pull rope and a second pull rope, one end of the first pull rope is connected to one end of the elastic part, the other end of the first pull rope is connected to the first connecting part or is wound around the first connecting part to be connected to the support member or the third movable member, one end of the second pull rope is connected to the other end of the elastic part, and the other end of the second pull rope is connected to the support member.

[0017] In some embodiments, the arm auxiliary support device further comprises a second connecting part provided on the support member, and the second pull rope is connected to the second connecting part or is wound around the second connecting part to be connected to the first movable member.

[0018] In some embodiments, the first connecting part is a pulley, and one end of the first pull rope is wound around the pulley to be connected to the support member or the third movable member.

[0019] In some embodiments, the first movable member is an axially telescopic telescopic rod.

[0020] In some embodiments, the first movable member is parallel to the third movable member, and the second movable member is parallel to the support member.

[0021] In some embodiments, one end of the support member away from the first movable member is provided with a support part, the arm auxiliary support device further comprises a wearable device, the wearable device comprises a shoulder strap part, a waistband part and an arm strap part, the upper end of the support member is connected to the shoulder strap part, the lower end of the support member is connected to the waistband part, and the first movable member is connected to the arm strap part.

[0022] In some embodiments, the support part comprises a support rod and a spherical hinge, one end of the support rod is movably connected to the support member along the length extension direction of the support member, the spherical hinge is provided on the other end of the support rod, and the waistband part is provided with a hinge support seat matched with the spherical hinge.

[0023] In some embodiments, the support member comprises a housing, and a cavity is arranged in the housing for accommodating the energy storage part and the second movable member.

[0024] Compared with the prior art, the technical scheme has the following advantages:

[0025] The arm auxiliary support equipment provided by the application comprises a support member, a first movable member, a second movable member, a third movable member, a first connecting part and an energy storage part, wherein one end of the first movable member is movably connected to the support member, and the first movable member is used for being connected with an arm; one end of the second movable member is movably connected to the first movable member; one end of the third movable member is movably connected to the support member, and the other end of the second movable member is movably connected to the third movable member; the first connecting part is arranged on the second movable member or the third movable member; the first end of the energy storage part is connected to the support member, and the second end of the energy storage part is connected to the first connecting part. After the user wears the arm auxiliary support equipment, the energy storage part is in a taut state, and the energy storage part will exert an upward pulling force on the first connecting part. For example, when the upper arm of the user is in a horizontal lifting state, when the upper arm is subjected to a downward pressure, the first movable member will generate a downward rotational torque relative to the support member, at this time, the second movable member will generate a downward moving tendency, and then generate a downward rotational torque on the third movable member. However, due to the pulling force of the energy storage part on the first connecting part, the first connecting part will exert an upward pulling force on the second movable member and the third movable member, so that the second movable member effectively supports the first movable member, and then the support effect on the arm is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the application or in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only embodiments of the application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the provided drawings.

[0027] Figure 1 Fig. 1 is a structural schematic view of an arm auxiliary support equipment provided by a specific embodiment of the application when worn on a user and the arm is in a horizontal lifting state;

[0028] Figure 2 Fig. 2 is a structural schematic view of the arm auxiliary support equipment provided by the specific embodiment of the application when worn on the user and the arm is in a downward placing state;

[0029] Figure 3 Fig. 3 is a structural schematic view of the arm auxiliary support equipment provided by the specific embodiment of the application when worn on the user and the arm is in an upward lifting state.

[0030] Figure 4 Fig. 1 is a perspective structural schematic view of an arm auxiliary support device according to the present application; Figure 1

[0031] Figure 5 Fig. 2 is a front structural schematic view of the arm auxiliary support device according to the present application; Figure 4

[0032] Figure 6 Fig. 3 is a front structural schematic view of the arm auxiliary support device according to the present application, which is additionally provided with a second connecting part; Figure 4

[0033] Figure 7 Fig. 4 is a perspective structural schematic view of the arm auxiliary support device according to the present application, which is additionally provided with a protective shell; Figure 1

[0034] Figure 8 Fig. 5 is a structural schematic view of another specific embodiment of the arm auxiliary support device according to the present application;

[0035] Figure 9 Fig. 6 is a structural schematic view of the arm auxiliary support device according to the present application, which is additionally provided with a second connecting part; Figure 8

[0036] The reference signs are as follows:

[0037] 100-back belt part, 200-waist belt part, 201-hinge support, 300-arm belt part;

[0038] 10-supporting member, 11-spherical hinge, 12-supporting rod;

[0039] 20-first movable member, 21-base rod, 22-arm connecting rod;

[0040] 30-second movable member;

[0041] 40-third movable member, 41-thread adjusting member;

[0042] 50-first connecting part;

[0043] 60-energy storage part, 61-elastic part, 62-first pull rope, 63-second pull rope;

[0044] 70-second connecting part;

[0045] 80-protective shell;

[0046] 90-outer shell, 91-first shell, 92-second shell, 93-sliding rail, 94-clamping member, 95-connecting member;

[0047] 01-first hinge shaft, 02-second hinge shaft, 03-third hinge shaft, 04-fourth hinge shaft.​​​​​ DETAILED DESCRIPTION

[0048] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0049] Please refer to Figures 1 to 7 The arm auxiliary support device provided by the embodiment of the present application comprises a support member 10, a first movable member 20, a second movable member 30, a third movable member 40, a first connecting part 50 and an energy storage part 60, wherein the support member 10, the first movable member 20, the second movable member 30 and the third movable member 40 can be selected as a rod member, and the arm auxiliary support device further comprises a wearable device comprising a shoulder strap part 100, a waist strap part 200 and an arm strap part 300. The upper end of the support member 10 is connected with the shoulder strap part 100, and the lower end of the support member 10 is connected with the waist strap part 200. One end of the first movable member 20 is movably connected to the support member 10, for example, the one end of the first movable member 20 is hingedly connected to the upper end of the support member 10 through a first hinge shaft 01, and the first movable member 20 is used for connecting with an arm, for example, the end of the first movable member 20 away from the support member 10 is connected to the arm strap part 300, and the arm strap part 300 is arranged around a large arm of a user. One end of the second movable member 30 is movably connected with the first movable member 20, and the other end is movably connected with the third movable member 40, for example, the upper end of the second movable member 30 is hingedly connected with the rod body of the first movable member 20 through a second hinge shaft 02, and the lower end of the second movable member 30 is hingedly connected with the third movable member 40 through a third hinge shaft 03. One end of the third movable member 40 is movably connected with the support member 10, for example, the third movable member 40 is hingedly connected with the support member 10 through a fourth hinge shaft 04. The first connecting part 50 is arranged on the second movable member 30 or the third movable member 40, for example, the first connecting part 50 can be arranged at a position on the second movable member 30 away from the first movable member 20, or the first connecting part 50 is arranged on the third movable member 40. The first end of the energy storage part 60 is connected with the support member 10, for example, the first end of the energy storage part 60 is connected to a position on the support member 10 close to the upper end, and the second end of the energy storage part 60 is connected with the first connecting part 50, that is, the connection position of the second end of the energy storage part 60 can be located on the second movable member 30 or the third movable member 40. After a user wears the above-mentioned arm auxiliary support device, when the arm is in a flat lifting state, the positional relationship of each member is as shown in Figure 1 When the arm is in a lowering state, the positional relationship of each member is as shown in Figure 2As shown, the position relationship of each component when the arm is in the up state is as follows Figure 3 As shown, the position relationship of each component when the arm is in the up state is as follows As shown, the position relationship of each component when the arm is in the up state is as follows

[0050] In some embodiments, as shown in Figure 4 and Figure 5 As shown, the first connecting part 50 is movably connected to the second movable component 30 or the third movable component 40, and the second movable component 30 or the third movable component 40 is provided with an adjusting part. For example, when the first connecting part 50 is movably connected to the second movable component 30, the second movable component 30 is provided with a corresponding adjusting part; when the first connecting part 50 is movably connected to the third movable component 40, the third movable component 40 is provided with a corresponding adjusting part. The position of the first connecting part 50 can be adjusted by the adjusting part to change the distance between the first connecting part 50 and the hinge axis of the third movable component 40 and the support component 10. For example Figure 1As shown, the first connecting part 50 is movably connected to the third movable member 40, the third movable member 40 and the support member 10 are relatively movably connected through the fourth hinge shaft 04, when the first connecting part 50 moves to the left, the distance between the first connecting part 50 and the fourth hinge shaft 04 can be increased, so as to increase the pulling force of the energy storage part 60 on the first connecting part 50; when the first connecting part 50 moves to the right, the distance between the first connecting part 50 and the fourth hinge shaft 04 can be reduced, so as to reduce the pulling force of the energy storage part 60 on the first connecting part 50, in specific use, when it is needed to lift heavy objects, the distance between the first connecting part 50 and the fourth hinge shaft 04 can be increased, on the contrary, when the objects are light, the distance between the first connecting part 50 and the fourth hinge shaft 04 can be reduced. It should be noted that the adjusting member can be automatically adjusted or manually adjusted, for example, the first connecting part 50 can be pushed to move by a linear motor, further, a pressure sensor can be arranged on the first movable member 20, the pressure sensor can send the detected information to a controller, the controller can determine whether the pressure exceeds a first preset pressure value, if yes, the first connecting part 50 is controlled to move away from the fourth hinge shaft 04 by the linear motor, so as to increase the distance between the first connecting part 50 and the fourth hinge shaft 04; if the pressure is lower than a second preset pressure value, the first connecting part 50 is controlled to move towards the first hinge shaft 01 by the linear motor, so as to reduce the distance between the first connecting part 50 and the fourth hinge shaft 04, wherein the first preset pressure value is greater than the second preset pressure value.

[0051] In some embodiments, as shown in Figure 5 As shown, the adjusting member includes a threaded adjusting member 41, the third movable member 40 is provided with a sliding groove, the first connecting part 50 is slidably connected to the sliding groove through a sliding block, the threaded adjusting member 41 is threadedly connected to the sliding block, for example Figure 1 As shown, one side of the third movable member 40 is provided with a sliding groove, the extending direction of the sliding groove is parallel to the length direction of the third movable member 40, a sliding block is arranged in the sliding groove, the sliding block is only movable but not rotatable under the constraint of the sliding groove, one end of the first connecting part 50 is connected to the sliding block, the other end is located outside the sliding groove, the threaded adjusting member 41 is arranged in the third movable member 40 from the end of the third movable member 40 away from the support member 10, and is threadedly connected to the sliding block, by screwing the threaded adjusting member 41, the movement of the sliding block can be controlled, so as to adjust the distance between the first connecting part 50 and the fourth hinge shaft 04.

[0052] In some embodiments, as shown in Figure 5As shown, the energy storage part 60 comprises an elastic part 61, a first pull rope 62 and a second pull rope 63, the elastic part 61 can be selected as a rubber band or a spring, the first pull rope 62 and the second pull rope 63 can be selected as a steel wire rope, one end of the first pull rope 62 is connected to one end of the elastic part 61, the other end of the first pull rope 62 is connected to the first connecting part 50 or is wound on the first connecting part 50 to be connected with the support member 10 or the third movable member 40, wherein the first connecting part 50 can be a pulley, the first pull rope 62 is wound on the pulley, that is, the pulley can play a reversing role for the first pull rope 62, in order to facilitate connection, the first pull rope 62 can be connected to the fourth hinged shaft 04 of the third movable member 40 and the support member 10, further, when the third movable member 40 is in a horizontal state, the height position of the first connecting part 50 is lower than the position of the fourth hinged shaft 04; one end of the second pull rope 63 is connected to the other end of the elastic part 61, the other end of the second pull rope 63 can be directly fixed on the support member 10 or is fixed on the first hinged shaft 01 of the first movable member 20 and the support member 10. It should be noted that the above embodiment is described by taking the elastic part 61 as an example, in addition to this, the energy storage part 60 can only select a pull rope, one end of the pull rope is connected with a winch, the winch can be arranged on the support member 10, the length of the pull rope can be controlled through the winch, so that the pull rope can exert a pulling force on the first connecting part 50, wherein the winch can be used in cooperation with the pressure sensor and the controller.

[0053] In some embodiments, as shown in Figure 6 As shown, the arm auxiliary support device further comprises a second connecting part 70, the second connecting part 70 is arranged on the support member 10 or the first movable member 20, for example, the second connecting part 70 can be arranged on the upper end of the support member 10, or the second connecting part 70 is arranged on the first movable member 20, that is, the arrangement position of the second connecting part 70 can be located on the support member 10 or the first movable member 20, the first end of the energy storage part 60 is wound on the second connecting part 70 to be connected with the first movable member 20, wherein the end of the second pull rope 63 away from the elastic part 61 is wound on the second connecting part 70 to be connected with the first movable member 20, for example, the second connecting part 70 can be connected on the first hinged shaft 01, the end of the second pull rope 63 away from the elastic part 61 is connected to the second hinged shaft 02 of the first movable member 20 and the second movable member 30. Wherein the energy storage part 60 can exert a pulling force on the first movable member 20, for example, when the user's arm is lowered, when the user's arm is lifted upward, the energy storage part 60 can exert an upward pulling force on the first movable member 20, thereby playing a supporting role. Wherein when the user's arm is in a horizontal state, the energy storage part 60 is in a Z shape under the action of the first connecting part 50 and the second connecting part 70.

[0054] In some embodiments, the first connecting part 50 and the second connecting part 70 are preferably pulleys, through which the friction on the energy storage part 60 can be reduced, thereby facilitating the improvement of the service life of the energy storage part 60. It should be noted that the pulley is only a preferred way, and a cylinder can also be selected as the first connecting part 50 and the second connecting part 70. Further, in order to prevent the first pull rope 62 and the second pull rope 63 from being separated, a groove for accommodating the pull rope can be provided on the outer circumferential side of the cylinder.

[0055] In some embodiments, the first movable member 20 is an axially telescopic telescopic rod, for example, the telescopic rod includes a plurality of rod members that are sequentially sleeved, and through the telescopic rod, the needs of different users can be met, for example, when the user's arm is longer, the telescopic rod can be lengthened, and when the arm is shorter, the telescopic rod can be shortened. Figure 1 and Figure 5 As shown in the drawings, the first movable member 20 includes a base rod 21 and an arm connecting rod 22, the inside of the base rod 21 is a hollow structure, the arm connecting rod 22 is arranged in the base rod 21, and the end of the arm connecting rod 22 extends out of the base rod 21. A plurality of connecting holes are arranged on the side wall of the base rod 21 in the axial direction, and a spring pin can be arranged on the side wall of the arm connecting rod 22. The spring pin is selectively clamped in one of the connecting holes, so that the arm connecting rod 22 is fixed relative to the base rod 21 in the axial direction.

[0056] In some embodiments, the first movable member 20 is parallel to the third movable member 40, and the second movable member 30 is parallel to the support member 10. The support member 10, the first hinge shaft 01, the first movable member 20, the second hinge shaft 02, the second movable member 30, the third hinge shaft 03, the third movable member 40 and the fourth hinge shaft 04 form a deformable parallelogram mechanism. One end of the first movable member 20 away from the support member 10 extends forward of the second movable member 30, so as to be connected with the arm.

[0057] In some embodiments, as shown in the drawings, Figure 1 and Figure 5 One end of the support member 10 away from the first movable member 20 is provided with a support part, that is, the support part extends downward relative to the horizontal position of the third movable member 40. For example, the support part is connected to the waist belt part 200, so that the waist of the user supports the support member 10. The support member 10 can be selected as a square tube or a circular tube, and through the hollow structure, the weight thereof can be reduced.

[0058] In some embodiments, the support part comprises a support rod 12 and a spherical hinge 11, one end of the support rod 12 is movably connected to the support member 10 along the length direction of the support member 10, for example, a plurality of axial adjustment holes can be arranged on the support rod 12, and the support member 10 is provided with a clamping piece 94, when the support rod 12 moves in the vertical direction to make one of the adjustment holes correspond to the clamping piece 94 and be clamped, the fixing of the support rod 12 in the height direction can be realized, or a plurality of axial connection holes can be arranged on the side wall of the support member 10, and the support rod 12 can be connected to the connection holes on the support member 10 through a pin or a screw to realize the fixing of the support rod 12, and the spherical hinge 11 is arranged at the other end of the support rod 12. Correspondingly, as shown in Figure 1 , the waist belt part 200 is provided with a hinge support 201, and the support member 10 can move relative to the hinge support 201 through the spherical hinge 11, thereby facilitating the user to perform body movement.

[0059] In some embodiments, as shown in Figure 4 , the inner side and the outer side of the arm auxiliary support device are respectively provided with an energy storage part 60, wherein the inner side refers to the side close to the user's body, and the outer side refers to the side away from the user's body, and the two energy storage parts 60 can improve the support stability of the arm auxiliary support device, and also play a safety redundancy role, for example, when one of the energy storage parts 60 breaks, the other energy storage part 60 can still be used. In order to avoid the user being injured when the positions of the rods change relatively, a protective shell 80 can be arranged on the inner side and the outer side of the arm auxiliary support device. In addition, during use, one arm of the user can be supported, or two sets can be arranged to support two arms.

[0060] In some embodiments, as shown in Figure 8 and Figure 9 , the support member 10 comprises a shell 90, and the shell 90 is provided with a cavity for accommodating the energy storage part 60 and the second movable member 30, wherein the shell can support the first movable member 20 and the third movable member 40, specifically, the shell comprises a first shell 91 and a second shell 92, and one side of the first shell 91 and the second shell 92 is fixedly connected, as shown in Figure 8As shown, the right sides of the first shell 91 and the second shell 92 are connected by fasteners, the opposite sides of the left parts of the first shell 91 and the second shell 92 are left with gaps to form the above-mentioned chamber, and the upper side, the left side and the lower side of the first shell 91 and the second shell 92 are not closed to facilitate the movement of the first movable member 20, the second movable member 30 and the third movable member 40. Further, a through hole can be provided on the first shell 91, a clamping piece 94 is arranged in the shell and exposed to the through hole, a plurality of adjustment holes are arranged on the support rod 12 in the axial direction, a slide rail 93 is arranged in the shell 90, and the upper part of the support rod 12 is slidably connected in the slide rail 93 to realize the height adjustment of the support rod 12. The clamping piece 94 is provided with a clamping protrusion which can be selectively clamped in one of the adjustment holes to realize the fixation of the support rod 12 in the height direction. In addition, in order to facilitate the connection of the first movable member 20, a connecting piece 95 can be arranged at the upper end of the shell 90, the connecting piece 95 can be an L-shaped member, one end of the connecting piece 95 is fixed in the shell 90, and the other end is exposed to the shell 90 to facilitate the hinged connection with one end of the first movable member 20.

[0061] It should be noted that the relative terms, such as first and second, in the present specification are only used to distinguish one entity from another entity, and do not necessarily require or imply any such actual relationship or order between the entities.

[0062] The various embodiments in the present specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same or similar parts between the various embodiments can be referred to each other.

[0063] The above describes in detail the arm auxiliary support device provided by the present application. The principles and implementation manners of the present application are described by applying specific examples in the present specification, and the above description of the embodiments is only used to help understand the core idea of the present application. It should be noted that, for those skilled in the art, without departing from the principles of the present application, the present application can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. An arm-assist support apparatus characterized by, The arm auxiliary support device comprises: a support member (10); a first movable member (20) having one end movably connected to the support member (10), the first movable member (20) being used for connecting with an arm; a second movable member (30) having one end movably connected to the first movable member (20); a third movable member (40) having one end movably connected to the support member (10), the other end of the second movable member (30) being movably connected to the third movable member (40); a first connecting portion (50) provided on the second movable member (30) or the third movable member (40); an energy storage portion (60) having a first end connected to the support member (10), and a second end connected to the first connecting portion (50).

2. The arm-assist support apparatus according to claim 1, characterized by, The first connecting portion (50) is movably connected to the second movable member (30) or the third movable member (40), and the second movable member (30) or the third movable member (40) is provided with an adjusting member, which is used for adjusting the distance between the first connecting portion (50) and the hinge axis of the third movable member (40) and the support member (10).

3. The arm-assist support apparatus according to claim 2, characterized by The adjusting member comprises a threaded adjusting member (41), the third movable member (40) is provided with a sliding groove, the first connecting portion (50) is slidably connected to the sliding groove through a sliding block, and the threaded adjusting member (41) is threadedly connected to the sliding block.

4. The arm-assist support apparatus according to claim 1, characterized by, The energy storage portion (60) comprises an elastic portion (61), a first pull rope (62) and a second pull rope (63), one end of the first pull rope (62) is connected to one end of the elastic portion (61), the other end of the first pull rope (62) is connected to the first connecting portion (50) or is wound around the first connecting portion (50) to be connected to the support member (10) or the third movable member (40), one end of the second pull rope (63) is connected to the other end of the elastic portion (61), and the other end of the second pull rope (63) is connected to the support member (10).

5. The arm-assist support apparatus according to claim 4, characterized by The arm auxiliary support device further comprises a second connecting portion (70) provided on the support member (10), and the second pull rope (63) is connected to the second connecting portion (70) or is wound around the second connecting portion (70) to be connected to the first movable member (20).

6. The arm-assist support apparatus according to claim 4, characterized by The first connecting portion (50) is a pulley, and one end of the first pull rope (62) is wound around the pulley to be connected to the support member (10) or the third movable member (40).

7. Arm support assistive device according to any of claims 1 to 6, characterized in that The first movable member (20) is an axially telescopic telescopic rod.

8. Arm support assistive device according to any of claims 1 to 6, characterized in that The first movable member (20) is parallel to the third movable member (40), and the second movable member (30) is parallel to the support member (10).

9. The arm support assist device according to any one of claims 1 to 6, characterized by, An end of the support member (10) away from the first movable member (20) is provided with a support part; the arm auxiliary support device further comprises a wearable device, the wearable device comprising a back strap part (100), a waist strap part (200) and an arm strap part (300), the upper end of the support member (10) being connected to the back strap part (100), the lower end being connected to the waist strap part (200), and the first movable member (20) being connected to the arm strap part (300).

10. The arm-assist support apparatus according to claim 9, characterized by The support part comprises a support rod (12) and a spherical hinge (11), one end of the support rod (12) being movably connected to the support member (10) along the length extension direction of the support member (10), the spherical hinge (11) being arranged at the other end of the support rod (12), and the waist strap part (200) being provided with a hinge support seat (201) matched with the spherical hinge (11).

11. The arm-assist support apparatus according to claim 1, characterized by, The support member (10) comprises an outer shell (90), and a cavity for accommodating the energy storage part (60) and the second movable member (30) is arranged in the outer shell (90).

Citation Information

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