CN210819538U - Power assisting device - Google Patents
Power assisting device Download PDFInfo
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- CN210819538U CN210819538U CN201921301660.8U CN201921301660U CN210819538U CN 210819538 U CN210819538 U CN 210819538U CN 201921301660 U CN201921301660 U CN 201921301660U CN 210819538 U CN210819538 U CN 210819538U
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Abstract
The utility model discloses a power assisting device, including chest subassembly, supporting component, two sets of flexible subassemblies, shank apron and coupling mechanism. The two sets of telescopic assemblies are independently arranged and respectively connect two different positions on the front side of the supporting assembly with two different positions on the front side of the chest assembly, when a user wears the power assisting device, when the left leg of the user raises to walk, the elastic piece on the left side is compressed, the elastic piece on the left side drives the telescopic assembly on the left side to rotate in the direction close to the abdomen of the user, and meanwhile, the telescopic assembly on the left side is driven to slide upwards; the left side telescopic assembly and the right side telescopic assembly independently and respectively perform telescopic motion, so that the left leg of a human body is lifted to walk without being limited by the right side telescopic assembly, and the left leg of the human body freely walks; on the contrary, when the right leg of the human body is lifted up and walks, the telescopic assembly on the right side slides upwards without being limited by the telescopic assembly on the left side, so that the right leg freely walks, and the power assisting device can realize the function of freely walking in the front-back direction of the human body.
Description
Technical Field
The utility model relates to a human motion assists technical field, concretely relates to booster unit.
Background
People who frequently bend over such as porters and factory operators are prone to various lumbar diseases, hidden dangers are buried for later healthy life, and the life quality and the working efficiency of the people are seriously reduced, so that corresponding prevention and protection devices are very necessary.
In order to solve the above technical problems, a power assisting device is disclosed in the prior art, which comprises a chest cover plate, a waist component, a left leg cover plate, a right leg cover plate and two transfer components; the two middle rotating parts are respectively and rotatably arranged at two different positions of the front side of the waist component, the chest cover plate is connected with the two middle rotating parts through a sliding component, the two middle rotating parts are respectively connected with the left leg cover plate and the right leg cover plate through an elastic part, and meanwhile, the waist component is respectively and rotatably connected with the left leg cover plate and the right leg cover plate through a leg connecting part. The elastic member is located in front of the leg link in the front-rear direction of the human body.
The sliding assembly comprises a first sliding rod, a second sliding rod and a fixing block fixed on the tops of the first sliding rod and the second sliding rod, a guide rod is arranged on the chest cover plate, the fixing block is slidably sleeved on the guide rod, and the bottoms of the first sliding rod and the second sliding rod are respectively fixed on a transit part. That is, the first slide bar and the second slide bar slide up and down synchronously along with the fixed block relative to the chest cover plate. Meanwhile, taking a left leg cover as an example, as shown in fig. 16b, the two ends of the elastic member are respectively at the middle rotating part (i.e., the top of the elastic member is fixed on the middle rotating part, which is rotatably arranged on the waist assembly through the middle rotating part) and the rotation pivots on the left leg cover are a and c, the two ends of the leg connecting member of the left leg are respectively at the rotation pivots on the waist assembly and the left leg cover are b and d, and since the distance between bd is constant, three abc points enclose a triangle.
After the power assisting device is worn by a person, when the left leg of the person drives the left leg cover plate to be lifted upwards to walk, the power assisting device takes a point b as a circle center and ac as a radius to do circular motion, the elastic part is compressed, so that the ac length is shortened, meanwhile, the elastic part drives the left transfer part to rotate backwards, an upward acting force is given to the first slide bar through the transfer part, but the second slide bar is not subjected to the upward acting force because the elastic part on the right side is not compressed, the first slide bar and the second slide bar must move synchronously, the second slide bar blocks the first slide bar from sliding upwards, and the left leg can not walk freely when the person wears the power assisting device; similarly, when the right leg of a person is lifted to walk, the first sliding rod limits the second sliding rod to slide upwards, and then when the person wears the power assisting device, the right leg cannot walk freely.
That is to say, the power assisting device in the prior art, when the human body is worn, the walking of the left leg and the right leg of the human body is mutually limited, and the function of freely walking in the front-back direction of the human body cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the function of freely walking around can not realize the human body at the helping hand in-process in current booster unit.
Therefore, the utility model provides a power assisting device, include
The chest component is suitable for being wound on the periphery of the chest of a human body;
a support member in the form of a first closed loop and adapted to be positioned around the periphery of the crotch or waist of a human body;
at least two sets of telescopic assemblies which respectively and independently connect two different positions on the front side of the supporting assembly with two different positions on the front side of the chest assembly;
the two leg cover plates are respectively suitable for being attached to the front sides of two legs of a human body and are respectively connected with two different positions on the front side of the supporting component positioned on the same side through a set of connecting mechanism;
any set of the connecting mechanism comprises an elastic piece, two ends of which are respectively and rotatably arranged on the supporting component and the leg cover plate along the left and right directions of the human body by the axis of the rotating shaft, and a leg connecting piece, two ends of which are respectively and rotatably arranged on the supporting component and the leg cover plate along the left and right directions of the human body by the axis of the rotating shaft; and the top rotating pivots of the elastic piece and the leg connecting piece are staggered in the vertical direction.
Optionally, in the above power assisting device, the bottom of any set of the telescopic assemblies is rotatably mounted on the corresponding position of the support assembly along the front-back direction of the human body by using the axis of the rotating shaft.
Optionally, in the above power assisting device, the top of any set of the telescopic assemblies is rotatably mounted on the chest assembly along the left-right direction of the human body by the axis of the rotating shaft.
Optionally, in the above power assisting device, any one set of the telescopic assemblies comprises
A housing having a first interior cavity extending vertically;
at least one telescopic piece, wherein one end of the telescopic piece is slidably arranged in the first inner cavity of the shell, and the other end of the telescopic piece extends out of the shell to form an extending end; one of the extending end and the shell is arranged on the chest component, and the other one of the extending end and the shell is arranged on the corresponding supporting component;
when the power assisting device is in an inoperative initial state, a vertically extending sliding distance is reserved between the end part of the extending end of the telescopic piece extending into the first inner cavity and the end part of the shell opposite to the end part.
Optionally, in the power assisting device, there are two telescopic pieces, and the two telescopic pieces extend vertically and are arranged on the housing in a horizontally staggered manner; the top of the telescopic piece positioned above is arranged on the chest component, and the bottom of the telescopic piece can be slidably and rotatably arranged in the first inner cavity of the shell; the bottom of the telescopic piece positioned below is arranged on the supporting component, and the top of the telescopic piece can be slidably and rotatably arranged in the first inner cavity of the shell;
the telescopic parts located above are arranged in parallel and non-collinear with the axes of the telescopic parts located below.
Optionally, in the above power assisting device, there are at least two telescopic parts, and all the telescopic parts are arranged above the housing; wherein the housing is mounted on the support assembly and the top of the uppermost telescoping member is mounted on the chest assembly;
in the two adjacent telescopic pieces, at least the lower telescopic piece is provided with a second inner cavity extending vertically, the bottom of the upper telescopic piece is slidably arranged in the second inner cavity of the lower telescopic piece, and in the initial state, a sliding distance extending vertically is reserved between the bottom of the upper telescopic piece and the bottom of the second inner cavity of the lower telescopic piece; the bottom of the telescopic piece positioned at the lowest position is slidably arranged in the first inner cavity of the shell.
Optionally, the above power assisting device further includes two middle rotating parts, which are respectively rotatably disposed at the two different positions at the front side of the supporting component along the left-right direction of the human body with the axis of the rotating shaft;
the bottom of the telescopic assembly is arranged on the supporting assembly through being arranged on the transfer component;
the top of the elastic member is provided on the support assembly by being rotatably provided on the transit member.
Optionally, in the above-mentioned power assisting device, in any one set of connection mechanisms, the axes of the rotating shafts at both ends of the leg connecting pieces are parallel to the axes of the rotating shafts at both ends of the elastic pieces, and are arranged in a vertical coplanar manner when the power assisting device is in an initial state of non-operation, and the elastic pieces apply upward initial pressure to the respective corresponding leg cover plates.
Optionally, in the above power assisting device, the rotating part and the supporting assembly are respectively provided with a first rotating shaft and a second rotating shaft which are parallel to each other along the horizontal direction of the human body and are vertically staggered;
the tops of the elastic piece and the leg connecting piece are respectively sleeved on the first rotating shaft and the second rotating shaft;
the middle rotating part is rotatably arranged on the supporting component by being sleeved on the second rotating shaft.
Optionally, in the above power assisting device, the turning part is provided with a stepped groove or a stepped hole with a downward opening, the stepped groove or the stepped hole includes a first portion located below and a second portion located above, and the aperture of the first portion is larger than that of the second portion;
the first rotating shaft is arranged on the second part, and the side wall of the first part is sleeved on the second rotating shaft;
leg connecting piece reaches the top of elastic component all imbeds in ladder groove or the shoulder hole, and overlap respectively the second pivot with on the first pivot.
Optionally, in the above-mentioned power assisting device, in the same set of the connecting mechanism, the elastic member and the bottom of the leg connecting member are rotatably mounted on the same connecting shaft on the leg cover plate.
Optionally, in the above power assisting device, the support assembly comprises
The inner wall surface of any one of the two supporting plate blocks is suitable for abutting against the outer side of the waist or the crotch of a human body;
the first binding bands are used for fixedly connecting the rear side ends of the two supporting plates, and the first connecting buckles are used for detachably connecting the front side ends of the supporting plates; the first binding band, the two supporting plates and the first connecting buckle form a first closed ring; the front sides of the two support panels form the two different locations of the support assembly.
Optionally, in the above power assisting device, the support component is a crotch component.
Optionally, the above-mentioned power assisting device further comprises a waist component in a second closed loop; the crotch component is connected to the waist component by at least one second connector.
Optionally, in the above power assisting device, the chest component includes at least one chest cover plate, and the inner wall surface is adapted to abut against the chest of the human body; the second binding band is used for fixedly connecting two ends of the chest cover plate; the second bandage and the chest cover plate enclose a third closed ring.
Optionally, the above power assisting device further comprises a strap, two ends of the upper portion of the strap are connected with the chest cover plate, and two ends of the lower portion of the strap are connected with two different positions on the waist component, which are located on one side of the back of the human body.
The technical scheme of the utility model, have following advantage:
1. the utility model provides a power assisting device, including chest subassembly, supporting component, two transfer parts, two sets at least flexible subassemblies, two shank apron and two sets of coupling mechanism. Because the two sets of telescopic assemblies are independently arranged and respectively connect two different positions on the front side of the supporting assembly with two different positions on the front side of the chest assembly, when a user wears the power assisting device, the left elastic part is compressed when the left leg of the user raises to walk, the left elastic part drives the left telescopic assembly to rotate towards the direction close to the abdomen of the user and simultaneously drives the left telescopic assembly to slide upwards; because the left side telescopic assembly (the left side) and the right side telescopic assembly at two different positions on the front side of the supporting assembly are independent, the telescopic motions of the two telescopic assemblies are independent from each other and do not influence each other, the left leg of a human body is lifted to walk without being limited by the right side telescopic assembly, and the left leg of the human body freely walks; on the contrary, when the right leg of human body was raised and was walked, the flexible subassembly on right side was made and is upwards slided, does not receive left flexible subassembly restriction, realizes that the right leg freely walks, then the booster unit of this application can realize the free walking function of human fore-and-aft direction.
2. The utility model provides a booster unit, arbitrary cover flexible subassembly bottom is rotationally installed on the position of the supporting component who corresponds separately with the pivot axis along human fore-and-aft direction, after this booster unit was dressed to the human body, because the bottom mutual independence of two flexible subassemblies rotates at the left and right sides direction of human body, realizes the action of freely bowing of the left and right sides direction of human body. For example, when a human body bends to the right side, the right telescopic component is compressed downwards by the chest component, the right telescopic component makes a downward retracting movement, the left telescopic component is stretched upwards by the chest component, and the left telescopic component makes an upward extending movement, so that the degree of freedom of the human body for bending to the right side is realized; on the contrary, when the human body stooped to the left side, the left telescopic part was compressed downwards by the chest subassembly, the telescopic component on right side was upwards stretched by the chest subassembly, two telescopic components independently do respective concertina movement, realize the degree of freedom that the human body stood towards the left side, thereby make this booster unit can realize when freely walking, the action of stooping about can, and then when carrying the object, the human body can be with the object from the left side of human body transport the right side of human body, or carry the object from the right side of human body to the left side of human body.
3. The utility model provides a booster unit, arbitrary cover the top of flexible subassembly is rotationally installed on the chest subassembly with the pivot axis along the human left right direction, and the top of flexible subassembly can be relative chest apron tilting to when the human body dressed this booster unit, further increased the human activity degree of freedom of dressing this booster unit.
4. The utility model provides a power assisting device, wherein a telescopic component comprises a shell and at least one telescopic piece, and the shell is provided with a first inner cavity extending vertically; one end of the telescopic piece is slidably arranged in the first inner cavity of the shell, and the other end of the telescopic piece extends out of the shell to form an extending end; one of the extending end and the shell is arranged on the corresponding chest cover plate, and the other one of the extending end and the shell is arranged on the corresponding support component; when the power assisting device is in an inoperative initial state, a vertically extending sliding distance is reserved between the end part of the extending end of the telescopic piece extending into the first inner cavity and the end part of the shell opposite to the end part. The power assisting device with the structure can increase the maximum stretching amount of the stretching assembly by arranging the plurality of stretching pieces so as to increase the angle range of the chest cover plate bending downwards along with the human body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a booster provided in embodiment 1 of the present invention;
FIG. 2 is an enlarged, fragmentary view of the chest cover, telescoping assembly, and crotch assembly of the booster of FIG. 1 connected;
FIG. 3 is a schematic structural view of the telescoping assembly of FIG. 2;
FIG. 4 is a schematic longitudinal cross-sectional view of the retraction assembly of FIG. 3;
FIG. 5 is an enlarged, fragmentary view of the leg cover, attachment mechanism and crotch assembly of the booster of FIG. 1 after engagement;
FIG. 6 is a schematic view of the construction of the crotch assembly of FIG. 5;
FIG. 7 is a schematic view of the configuration of the swivel part of the crotch assembly of FIG. 6;
FIG. 8 is an enlarged partial schematic view of the attachment mechanism of FIG. 6 attached to the crotch member;
fig. 9 is a schematic structural view of a power assisting device provided in embodiment 2 of the present invention;
FIG. 10 is a schematic longitudinal cross-sectional view of a telescoping assembly of the power assist arrangement of FIG. 9;
FIG. 11 is an enlarged view of a portion of the telescoping member and housing connection of FIG. 10;
FIG. 12 is an enlarged, fragmentary view of the crotch member of the booster of FIG. 9 after engagement with the attachment mechanism;
fig. 13 is a schematic structural view of another power assisting apparatus provided in embodiment 2 of the present invention;
FIG. 14 is a schematic illustration of the retraction assembly and a central pivot member of the power assist apparatus of FIG. 13 in combination;
FIG. 15 is a schematic view of the housing of the retraction assembly of FIG. 14 with a front side wall removed;
fig. 16a is a schematic view of the power assisting device in embodiment 1 of the present invention after bending from the initial position to the leg of the human body by an angle X;
FIG. 16b is a schematic view of a prior art booster device after being bent at an angle X from an initial position to a leg of a human body;
fig. 17a is a schematic diagram showing the change of the length of the elastic member with X when the leg of the human body bends at the same angle X in the power assisting device according to embodiment 1 of the present invention and the power assisting device according to the prior art, wherein the dotted line represents the length of the corresponding elastic member when the angle of the included angle between the initial bc and bd is 0 degree, and the solid line represents the length of the corresponding elastic member when the angle a of the included angle between the initial bc and bd is 30 degrees;
fig. 17b is a schematic diagram showing the change of the arm of force h of the elastic member with X when the leg of the human body bends at the same angle X in the power assisting device according to embodiment 1 of the present invention and the power assisting device according to the prior art, wherein the dotted line represents the arm of force of the elastic member corresponding to the angle between the initial bc and bd being 0 degree, and the solid line represents the arm of force of the elastic member corresponding to the angle a between the initial bc and bd being 30 degrees;
fig. 17c is a schematic diagram showing the change of the acting force F of the elastic member on the b fulcrum with X when the leg of the human body bends at the same angle X in the power assisting device of embodiment 1 of the present invention and the power assisting device of the prior art, wherein the dotted line represents the corresponding acting force when the angle of the included angle between the initial bc and bd is 0 degree, and the solid line represents the corresponding acting force when the angle a of the included angle between the initial bc and bd is 30 degrees;
fig. 17d is a schematic diagram showing the change of the moment generated by the elastic member to the fulcrum b along with X when the leg of the human body bends at the same angle X in the power assisting device of embodiment 1 of the present invention and the power assisting device of the prior art, wherein the dotted line represents the corresponding moment when the angle of the included angle between the initial bc and the bd is 0 degree, and the solid line represents the corresponding moment when the angle a of the included angle between the initial bc and the bd is 30 degrees;
description of reference numerals:
1-a chest cover plate; 11-a first mount; 12-a third strap; 13-a third connecting buckle;
2-a telescoping assembly; 21-a telescopic member; 211-a second lumen; 212-outer edge; 22-a housing; 221-a first lumen; 23-a plain bearing; 24-a locking nut;
3-a waist component; 31-a second strap;
41-supporting plate; 411-an extension; 43-a first strap;
42-a transit member; 421-a stepped hole; 422-notch groove; 423-second rotating shaft; 424-first shaft;
51-leg connectors; 52-an elastic member;
6-leg cover plate;
71-a second mount; 72-a third mount;
81-a first connection buckle; 82-a harness; 83-a second connecting buckle; 84-a connecting shaft;
9-a limiting block.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment provides a power assisting device, as shown in fig. 1 to 8, the power assisting device includes a chest component, a support component, two sets of telescopic components 2, two leg cover plates 6, two sets of connecting mechanisms, and two middle rotating components 42.
Wherein the support member is a crotch member 4, the crotch member 4 being in the form of a first closed loop and adapted to be positioned around the periphery of the crotch of a human body. As shown in fig. 1 and 6, the crotch module 4 includes two support panels 41, a first strap 43, and a first connector 81. The two support panels 41 are a left support panel 41 and a right support panel 41, respectively, each support panel 41 comprises a straight portion at the front side and an arc portion connected to the straight portion, the inner wall surface of the straight portion is adapted to abut the front side of the crotch of the human body, the arc portion is adapted to abut the side wall of the crotch, so that the arc portions of the two support panels 41 abut the left and right side walls of the crotch of the human body, respectively, and the straight portions of the two support panels 41 abut at two different positions (such as left and right ends) at the front side of the crotch of the human body, respectively. Preferably, the two support panels 41 are arranged symmetrically.
The rotation members 42 are rotatably provided on the front side wall of the support plate 41, for example, on the straight portion of the support plate 41 with the rotation shaft axis in the left-right direction of the human body in a one-to-one correspondence, and preferably, the two rotation members 42 are symmetrically provided.
The two ends of the first binding band 43 are respectively connected with the arc-shaped parts of the two supporting plates 41, for example, as shown in fig. 6, a first opening is respectively arranged on the two arc-shaped parts, and the two ends of the first binding band 43 are in a closed loop and are respectively sleeved on the first opening, so as to realize the connection and fixation of the first binding band 43 and the two arc-shaped parts. The first connection button 81 may be a snap button, a socket of the snap button is fixed on the straight portion of the left support plate 41, a plug of the snap button is fixed on the straight portion of the right support plate 41, and when the plug of the snap button is inserted into the socket in place, the first strap 43, the two support plates 41, and the snap button form a first closed ring, which is suitable for being worn around the crotch of a human body.
As shown in fig. 1, the chest component is suitable for being arranged around the periphery of the chest of a human body and comprises two chest cover plates 1, a third binding belt 12 and a third connecting buckle 13. Two chest apron 1 are the arc plate, be convenient for the butt in the outside of human chest, two chest apron 1 are the symmetrical arrangement optimally, and be left side chest apron 1 and right side chest apron 1 respectively, third bandage 12 is connected the rear end of two chest apron 1, third connector link 13 also is the primary and secondary knot, the socket of primary and secondary knot is fixed on left side chest apron 1, the plug is fixed on right side chest apron 1, the plug of primary and secondary knot is pegged graft on the socket after targetting in place, third bandage 12, enclose into the third closed ring between two chest apron 1 and the third connector link 13, be suitable for the chest periphery of wearing at the human body.
As shown in fig. 1 and 5, the two leg cover plates 6 are arc-shaped plates which are convenient to abut against the front sides of the legs of the human body, so that the wearing comfort is improved. The two leg cover plates 6 are respectively a left leg cover plate and a right leg cover plate which are symmetrically arranged.
The left chest cover plate 1 is connected with the left middle rotating part 42 through one set of telescopic assembly 2, the right chest cover plate 1 is connected with the middle rotating part 42 on the right supporting plate 41 through the other set of telescopic assembly 2, and the two sets of telescopic assemblies 2 are mutually independent and do telescopic motion respectively. The right-side middle rotating part 42 is connected with the right leg cover plate through a set of connecting mechanism. The left-side middle rotating part 42 is connected with the left leg cover plate through another set of connecting mechanism. Optimally, the two telescopic assemblies 2 are symmetrically arranged, and the two sets of connecting mechanisms are symmetrically arranged, so that when the power assisting device is worn on a human body, the stress of the human body is balanced, and the wearing comfort level is increased.
As shown in fig. 1, 5 and 8, each set of connection mechanism includes two leg connection members 51 and an elastic member 52, and the two leg connection members 51 are symmetrically disposed on both sides of the elastic member 52. Two ends of the leg connecting piece 51 are respectively and rotatably arranged on the supporting plate 41 and the leg cover plate 6 along the left and right directions of the human body by the axis of the rotating shaft; both ends of the elastic member 52 are rotatably mounted on the middle rotating member 42 and the leg cover 6 along the left-right direction of the human body with the axis of the rotating shaft, respectively, and the top rotating fulcrums of the elastic member 52 and the leg link 51 are vertically staggered. For example, as shown in fig. 16a, the rotation fulcrums of the top and bottom of the elastic member 52 are a and c, respectively, and the rotation fulcrums of the top and bottom of the leg link 51 are b and d, respectively (in this embodiment, d and c in fig. 16a coincide). Since the length bd of the leg link 51 is constant and the distance ab between the pivot point a and the pivot point b is constant, the length bc is a fixed value.
The connection between any one of the chest cover plates 1 and the corresponding intermediate rotation member 42 will be described by taking the connection between the left chest cover plate 1 and the left intermediate rotation member 42 as an example. As shown in fig. 2, a first mounting seat 11 is provided on a front side wall of the chest cover plate 1, and a top of the telescopic assembly 2 is rotatably provided on the first mounting seat 11 along a left-right direction of a human body with a rotation axis. For example, the first mounting seat 11 has a notch groove, the two groove walls of the notch groove are fixed with a first shaft, the top of the telescopic component 2 is fixed with a first connecting block, the first connecting block is embedded into the notch groove and is rotatably sleeved on the first shaft, so that the freedom of the chest cover plate 1 is larger along with the downward bending of the human body.
There are various configurations for the telescopic assemblies 2, for example, as shown in fig. 3 and 4, each set of telescopic assemblies 2 comprises a housing 22, two telescopic members 21. Wherein the housing 22 has a first inner cavity 221 extending vertically; the first inner cavity 221 has two branch cavities horizontally staggered and spaced apart.
The telescopic pieces 21 can be of a tubular structure, the two telescopic pieces 21 extend vertically and are arranged on the shell 22 in a horizontally staggered mode, and the telescopic pieces 21 correspond to the sub cavities one by one. The bottom of the telescopic member 21 located above is slidably and rotatably arranged in the sub-cavity corresponding to the telescopic member (e.g. the right sub-cavity in fig. 4), the top of the telescopic member extends out of the sub-cavity to form an extending end, the extending end is rotatably arranged on the first mounting seat 11, when the power assisting device is in an inoperative initial state, a first sliding distance extending vertically is reserved between the bottom of the telescopic member 21 located above and the inner wall surface of the bottom of the sub-cavity corresponding to the telescopic member, that is, the telescopic member 21 located above can extend into the housing or extend out of the housing, and the housing can rotate around the telescopic member located above.
Similarly, the top of the lower telescopic member 21 is slidably and rotatably disposed in another sub-cavity (e.g. the left sub-cavity in fig. 4) corresponding to the lower telescopic member, and the bottom of the lower telescopic member extends out of the sub-cavity to form an extending end, the extending end is mounted on the middle rotating member 42, when the power assisting device is in an inoperative initial state, a second sliding distance extending vertically is reserved between the top of the lower telescopic member 21 and the inner wall surface of the top of the corresponding sub-cavity, that is, the lower telescopic member 21 can extend into or out of the housing, and the housing can rotate around the lower telescopic member, and the sum of the first sliding distance and the second sliding distance is the maximum telescopic amount of the telescopic assembly 2.
After a human body wears the power assisting device, if the human body only needs to bend down without walking, the left chest cover plate 1 applies downward acting force to the telescopic part 21 which is connected with the left chest cover plate and is positioned above the left chest cover plate, and the right chest cover plate 1 applies downward acting force to the telescopic part 21 which is connected with the right chest cover plate and is positioned above the right chest cover plate, so that any one or two of the telescopic part positioned above and the telescopic part positioned below can be stretched into the shell to realize the downward bending process; on the contrary, when the upper part of the body resets upwards, the left chest cover plate 1 exerts an upward acting force on the telescopic part 21 connected with and located above the left chest cover plate, and the right chest cover plate 1 exerts an upward acting force on the telescopic part 21 connected with and located above the right chest cover plate, so that the telescopic part located above and the telescopic part located below can move in a stretching manner, or the two telescopic parts can do stretching movement in the stretching shell, and the process of resetting after the body bends is realized. Meanwhile, the two telescopic pieces 21 are horizontally arranged in a staggered mode, any shell can rotate relative to the corresponding telescopic piece 21 located above the shell and can rotate relative to the corresponding telescopic piece 21 located below the shell, and therefore when a user wears the power assisting device, the user can twist the body in the left-right direction of the user.
In addition, the two telescopic pieces 21 are horizontally staggered and arranged with the axes parallel but not collinear, so that the whole telescopic piece 21 occupies small space in a compact structure before not working, and the height of the telescopic piece can be automatically adjusted according to different heights of people.
As shown in fig. 4, in order to prevent the extending ends of the telescopic members 21 from sliding out of the respective corresponding sub-cavities, for the telescopic member 21 located above, the bottom of the telescopic member 21 is provided with a horizontally outwardly protruding outer edge 212, a sliding bearing 23 is fixed in the top opening of the corresponding sub-cavity, the top of the telescopic member 21 passes through the inner hole of the sliding bearing 23 to extend outwardly, and when the telescopic member 21 extends upwardly to the limit position, the outer edge 212 directly abuts against the bottom end surface of the sliding bearing 23 at this time, so as to prevent the telescopic member 21 from being integrally withdrawn from the sub-cavities; similarly, the top of the lower telescopic member 21 is provided with a horizontal outward convex outer edge 212, and the opening at the bottom of the sub-cavity corresponding to the outer edge is also provided with a sliding bearing 23. Preferably, the cross-sectional shape of the sub-cavity matches the cross-sectional shape of the outer rim 212, and the circumferential outer wall surface of the outer rim 212 is adapted to rotatably abut against the inner wall surface of the sub-cavity, so that the sub-cavity guides the telescopic sliding of the telescopic member 21.
The elastic member 52 may be selected as a gas spring as an energy storage structure, and the gas spring is compressed to store energy when the leg is raised by walking and releases energy when the leg lands on the ground. Or other resilient structures such as other springs or clips.
As shown in fig. 7 and 8, the transfer member 42 is provided with a stepped hole 421 extending vertically, and a front side wall surface of the stepped hole 421 is open, and the stepped hole 421 includes a first portion 4211 located below and a second portion 4212 located above, and a hole diameter of the first portion 4211 is larger than a hole diameter of the second portion 4212. Two second mounting seats 71 are arranged on the straight portion, as shown in fig. 6, 7 and 8, each second mounting seat 71 comprises two oppositely arranged supports and a second rotating shaft 423 fixed between the two supports; the hole walls on the two sides of the first part respectively extend into the space between two supports of a second mounting seat 71 and are sleeved on a second rotating shaft 423; the tops of the two leg connectors 51 and the top of the elastic element 52 both extend into the stepped hole 421, the elastic element 52 is located between the two second mounting seats 71, and the tops of the elastic element are rotatably sleeved on the first rotating shaft 424 fixed on the hole wall of the second portion 4212; the top of the leg link 51 is fitted over the second rotating shaft 423 to rotatably mount the middle rotating part 42 on the support plate 41, and the top of the leg link 51 and the elastic member 52 are mounted on the middle rotating part 42 and the support plate 41, respectively.
Similarly, as shown in fig. 5, a third mounting seat 72 is provided on the front side wall of the leg cover 6, the bottoms of the two leg connectors 51 and the bottom of the elastic element 52 are both sleeved on the same connecting shaft 84 on the third mounting seat 72, and a plurality of isolation sleeves are provided on the connecting shaft 84 to isolate the leg connectors 51 and the elastic element 52.
When a human body wears the power assisting device and the left leg of the human body is lifted to walk, the left elastic piece 52 is compressed by taking the b as the center of a circle and the bc length as the radius to perform upward circular motion, the ac length is shortened, the left elastic piece 52 drives the left transfer component 42 to rotate towards the direction close to the abdomen of the human body, and meanwhile, the telescopic component 2 connected to the left transfer component 42 is driven to perform upward retraction sliding; because the telescopic assembly 2 on the left transit part 42 and the telescopic assembly 2 on the right transit part 42 are independently arranged, the telescopic motions of the right telescopic assembly 2 and the left telescopic assembly 2 are independent and do not influence each other, so that the left leg of a human body is lifted to walk without being limited by the right telescopic assembly 2, and the left leg of the human body freely walks; on the contrary, when the right leg of human body was raised and was walked, ascending withdrawal slip was done to flexible subassembly 2 on right side, and telescopic motion is not done to left flexible subassembly 2, and then the telescopic motion of the flexible subassembly 2 on right side is not restricted by the flexible subassembly 2 in left side, realizes that the right leg freely walks, then the booster unit of this application can realize the free walking function of human fore-and-aft direction.
As shown in fig. 5, 7 and 8, the bottom of each set of telescopic assembly 2 is rotatably mounted on the rotating member 42 along the front-back direction of the human body with the axis of the rotating shaft, for example, the end surface of the side wall of the rotating member 42 is provided with a vertically extending notch 422, a third rotating shaft 425 is fixed in the notch 422 along the front-back direction of the human body, the axis of the third rotating shaft 425 is along the front-back direction of the human body, and the bottom of the lower telescopic member 21 of the telescopic assembly 2 is sleeved on the third rotating shaft 425, so that the telescopic assembly 2 can rotate in the left-right direction of the human body.
After the power assisting device is worn by a human body, the bottoms of the two telescopic assemblies 2 rotate in the left and right directions of the human body independently, so that the free bending action in the left and right directions of the human body is realized. For example, when a human body bends to the right side, the right telescopic component is compressed downwards by the chest component, the right telescopic component 2 makes a downward retraction movement, the left telescopic component is stretched upwards by the chest component, and the left telescopic component 2 makes an upward extension movement, so that the degree of freedom of the human body for bending to the right side is realized; on the contrary, when the human body stooped to the left side, the left telescopic part was compressed downwards by the chest subassembly, the telescopic component 2 on right side was upwards stretched by the chest subassembly, two telescopic component 2 independently do respective concertina movement, realize the degree of freedom that the human body stood towards the left side, thereby when making this booster unit can realize freely walking, the action of bowing about can, and then when transporting the object, the human body can be with the object from the left side of human body transport the right side of human body, or transport the object from the right side of human body to the left side of human body.
In either set of connection mechanism, the axes of the shafts at both ends of the leg link 51 and the elastic member 52 are parallel and arranged in a vertical plane when the booster is in the non-operating initial state, and the elastic members 52 apply upward initial pressure to the respective leg cover plates 6.
As shown in fig. 16a, taking the connection mechanism between the left leg cover and the left turn-middle part 42 as an example, since the axes of the rotating shafts at the two ends of the leg link 51 and the axes of the rotating shafts at the two ends of the elastic member 52 are both parallel and are arranged in a vertical plane when the power assisting device is in the non-operating initial state, the elastic member 52 and the leg link 51 are not displaced in the front-back direction of the human body, the rotating fulcrums a and c of the elastic member 52 and the rotating fulcrums b and d of the leg link 51 (d and c are overlapped in fig. 16 a) are on the same straight line in the left-right direction of the human body, and the angle between bc and bd is 0 degree.
When a person wears the power assisting device and needs to walk, the power assisting device takes b as the center of a circle and the bc length as the radius to perform upward circular motion, the length of the compressed ac of the elastic piece 52 is shortened to ac', and the elastic piece 52 exerts upward pulling force F on the leg cover plate 6 along the length direction of the elastic piece 521' if the angle of upward bending of the leg of the human body is X, the corresponding angle of rotation of bc of the power assisting device is also X, and since the angle between bd and bc at the initial time is 0, the point c of the power assisting device moves to the point c at the moment1' position, bd and bc1' the angle between them is still X, formed by the triangle abc1The area formula of' is: ac1’×h1’＝bc1' × ab × sinX, therefore
Then F1Moment generated by' pair of points b
When the person walks, the moment of the power assisting device needs to be overcome is M1’。
In the booster of the background art, since the elastic member 52 and the leg link 51 are arranged in a staggered manner in the front-back direction of the human body in the initial state in which the booster is not used, as shown in fig. 16b, the pivot points a and c of the elastic member 52 and the pivot points b and d of the leg link 51 do not fall on the same straight line in the left-right direction of the human body, in the initial state, a triangle is defined between the pivot point a, the pivot point b and the pivot point c, and an angle a of an initial included angle is formed between bc and bd.
When a person wears the power assisting device in the background art and needs to walk, the power assisting device performs upward circular motion by taking the b as the center of a circle and the bc length as the radius, the length of the compressed ac of the elastic piece 52 is shortened, and the elastic piece 52 exerts upward tensile force F on the leg cover plate 6 along the length direction of the elastic piece 521If the angle of upward bending of the leg of the human body is X, the angle of rotation of bc of the corresponding power assisting device is also X, and since the angle formed by bc and bd at the beginning is A, the point c of the power assisting device moves to the point c at the moment1Position, bc1The included angle between the triangle and bd is (X + A) and is formed by a triangle abc1The area formula of (1) is: ac1×h1＝bc1× abrin (A + X), so
Then F1Moment generated to point b
When the person walks, the moment of the power assisting device needs to be overcome is M1。
From the above analysis, it can be seen that:
when the human body walks, the bending angle of the legs of the human body is generally between-14 degrees and 30 degrees, and because (A + X) > X, sin (X + A) > sinX and ac1＜ac1If the same elastic member is used for the elastic member in the present embodiment and the elastic member in the background art, F is1’＜F1And further has M1＞M1That is, when the person wears the assistive device of the present embodiment and the assistive device of the background art, if the legs of the person bend at the same angle, the person needs to overcome the moment M of the assistive device of the present embodiment1' moment M less than that for overcoming the power assist device in the background art1Human body wearing the bookThe power assisting device in the embodiment enables a human body to walk more labor-saving.
To further illustrate M above1＞M117a to 17d, for example, in the booster of the present application and the booster of the background art, the lengths bd and ab of the leg connectors are all 180mm and 30mm, and the types of the gas springs are all HFGSS _ a80_ N300, fig. 17a is a schematic diagram of the change of the lengths I of the elastic members with X when the legs of the human body bend at the same angle X in the booster of the present embodiment and the booster of the prior art, wherein a dotted line represents the length of the corresponding elastic member when the angle between the initial bc and bd is 0 degree, and a solid line represents the length of the corresponding elastic member when the angle a between the initial bc and bd is 30 degrees; as can be seen from FIG. 17a, the length ac of the elastic member of the power assisting apparatus in accordance with the present embodiment is equal to the length ac of the elastic member when the legs of the human body are bent by the same angle X1' > length ac of elastic member of booster in background art1。
Fig. 17b is a schematic diagram of the embodiment 1 of the present invention showing the variation of the arm of force h of the elastic member along with X when the assisting device and the assisting device in the prior art bend the same angle X of the leg of the human body, wherein the dotted line shows the arm of force h of the elastic member corresponding to the angle between the initial bc and bd of which the included angle is 0 degree1', the solid line represents the corresponding arm h of the elastic element when the angle A between the initial bc and bd is 30 degrees1As can be seen from FIG. 17b, when the legs of the human body are bent by the same angle X (less than or equal to 30 degrees), the arm h of the elastic member of the power assisting device of this embodiment1' arm of force h of elastic part of booster in background art1。
FIG. 17c is a schematic diagram of the change of the acting force F of the elastic member to the b fulcrum with X when the leg of the human body bends at the same angle X in the power assisting device of embodiment 1 of the present invention and the power assisting device of the prior art, wherein the dotted line represents the corresponding acting force F when the angle of the included angle between the initial bc and bd is 0 degree1', the solid line indicates the corresponding force F at an angle A of 30 degrees between the initial bc and bd1. As can be seen from FIG. 17c, the present embodiment helps to prevent the legs of the human body from bending by the same angle X (less than or equal to 30 degrees)Acting force F of elastic part of force device on b fulcrum1' < force F of elastic member of booster on fulcrum b in background art1。
FIG. 17d is a schematic diagram showing the change of the moment M generated by the elastic member to the fulcrum b along with X when the leg of the user bends at the same angle X in the power assisting device of embodiment 1 and the power assisting device of the prior art, wherein the dotted line represents the corresponding moment M when the angle of the included angle between the initial bc and the bd is 0 degree1', the solid line indicates the moment M corresponding to the angle A of 30 degrees between the initial bc and bd1. As can be seen from FIG. 17d, when the legs of the human body are bent by the same angle X (less than or equal to 30 degrees), the moment M generated by the elastic member of the power assisting device in the present embodiment is applied to the fulcrum b1' < moment M generated by elastic member of booster in background art to b fulcrum1。
Therefore, when the person wears the power assisting device of this embodiment and the power assisting device of the background art, if the legs of the person bend at the same angle X, the person needs to overcome the moment M of the power assisting device of this embodiment1' overcoming the moment M of the booster in the background art1When a person wears the power assisting device in the embodiment, the person can walk more conveniently.
In addition, the power assisting device of the embodiment, after the power assisting device is worn by a human body, the crotch component is worn on the periphery of the crotch of the human body, when the power assisting device walks and bends along with the human body, the top rotating fulcrum of the leg connecting piece is arranged on the crotch component, because the rotating fulcrum of the human body is the rotating fulcrum of the crotch joint when the human body walks and bends, because the top rotating fulcrum b of the leg connecting piece 51 is positioned below the rotating fulcrum of the crotch joint of the human body, the top rotating fulcrum of the leg connecting piece and the rotating fulcrum of the human body are in a relative static state, the leg connecting piece 51 is parallel to the bones of the legs of the human body, when the hip of the human body rotates, the leg connecting member 51 rotates synchronously with the leg of the human body, and then the leg cover plate 6 and the legs of the human body are in a relative static state, so that the phenomenon of vertical sliding on the legs of the human body is avoided, and the wearing comfort level of the power assisting device is improved.
As shown in fig. 5, a stopper 9 is protruded from a front side wall surface of the leg link 51 located outside the human body, a top of the stopper 9 has a slope surface inclined from bottom to top, and when the human body bends, the middle turning part 42 rotates to abut against the slope surface of the stopper 9, the stopper 9 limits a maximum angle at which the human body bends. For example, the bending amplitude can reach 155 degrees, 160 degrees, and the like.
As shown in fig. 1, the above-mentioned assisting device further includes a waist component 3 and a back belt 82 in a second closed loop, for example, the waist component 3 includes a second strap 31, and both ends of the front side of the second strap 31 are detachably connected by a second connecting buckle 83, for example, the second connecting buckle 83 is a snap buckle. As shown in fig. 6, the two support plates 41 are respectively formed with an extending portion 411 extending upward on the arc-shaped portion, the extending portion 411 is used as a second connecting member to be fixedly connected with the second binding belt 31, for example, the extending portion 411 is provided with an opening, the second binding belt 31 is provided with a collar corresponding to the opening, the collar is sleeved on the opening, and the waist assembly 3 supports the crotch part.
As shown in fig. 1, the shoulder strap 82 can be a cross-shaped shoulder strap 82, two ends of the upper portion of the shoulder strap 82 are respectively connected with the two chest cover plates 1, two ends of the lower portion of the shoulder strap 82 are connected with two different positions on the waist assembly 3 on one side of the back of the human body, and the shoulder strap 82 penetrates through the shoulders of the human body to support the whole power assisting device.
As a modified embodiment, the above-described connection mechanism may be provided with only one leg link 51 and elastic member 52.
As a modification, the stepped hole 421 of the transit member 42 may be replaced with a stepped groove as shown in fig. 12, or a mounting seat may be separately provided on the transit member 42 without providing the stepped hole 421 or the stepped groove to connect the top portions of the leg elastic members 52.
In the above-described chest unit, the chest cover 1 may be one piece, the third connecting buckle may not be provided, both rear ends of the chest cover may be directly fixed and connected by the third strap, and the third closed loop may be formed.
Example 2
The present embodiment provides a booster that differs from the booster provided in embodiment 1 only in that:
the telescopic members 21 in the telescopic assembly 2 are arranged in different ways, as shown in fig. 9, 10 and 11, there are two telescopic members 21, and the two telescopic members 21 are arranged above the housing 22; wherein the shell 22 is mounted on the medial rotation member 42 of the crotch assembly 4 and the top of the uppermost telescoping member 21 is mounted on the corresponding breast cover 1; the lower telescopic part 21 has a second inner cavity 211 extending vertically, and the inner cavity of the upper telescopic part 21 may be hollow or solid. The bottom of the upper telescopic part 21 is slidably arranged in the second inner cavity 211 of the lower telescopic part 21, and when the power assisting device is in an inoperative initial state, a vertically extending sliding distance is reserved between the bottom of the upper telescopic part 21 and the bottom of the second inner cavity 211 of the lower telescopic part 21; the bottom of the lower telescoping member 21 is slidably disposed in the first interior cavity 221 of the housing 22.
In the power assisting device of this embodiment, the two extensible members 21 are two-stage extensible, and the function of bending the human body in a wide angle range can be realized by the extensible movement of the two extensible members. However, in this embodiment, the bottom of the lower telescopic member 21 is slidably disposed in the first inner cavity 221 of the housing 22, and the housing cannot rotate relative to the telescopic member, so that the twisting operation in embodiment 1 cannot be realized.
Similarly, as shown in fig. 11, the bottom of each telescopic member 21 is also provided with an outer rim 212, the top opening of the housing 22 and the top opening of the telescopic member 21 are provided with sliding bearings 23, and the top outside of the housing and the top outside of the telescopic member 21 are both screwed outside of the housing and the telescopic member 21 by means of lock nuts 24, and the inner rims of the lock nuts abut against the end faces of the sliding bearings.
As a variation, the number of the telescopic members 21 may be three, four, five, six, or more, all the telescopic members 21 are disposed above the housing 22, in two adjacent telescopic members 21, the bottom of the telescopic member 21 located above is slidably disposed in the second inner cavity 211 of the telescopic member 21 located below, and the top of the telescopic member 21 located uppermost is mounted on the chest cover plate 1, and the number of the telescopic members 21 is further increased by the arrangement of the multiple stages of telescopic members 21, so that people of different heights can wear the power assisting device and can realize a wide-angle stooping range, and the specific number of the telescopic members 21 may be selected according to actual needs.
Of course, the number of the telescopic members 21 may also be one, as shown in fig. 13, 14 and 15, only one telescopic member 21 is disposed in the telescopic assembly 2, the bottom of the telescopic member 21 is provided with the outer rim 212, the bottom of the telescopic member 21 is slidably disposed in the first inner cavity 221 of the housing 22, and in the initial state, a sliding distance extending along the vertical direction is reserved between the bottom of the telescopic member 21 and the bottom of the first inner cavity 221.
Example 3
The present embodiment provides a booster apparatus, which is different from the booster apparatus provided in embodiment 1 or embodiment 2 only in that:
the bottom of the telescopic assembly 2 is fixed or formed on the transfer component 42, the telescopic assembly 2 cannot rotate along the left and right directions of the human body, as shown in fig. 14 and 15, when the booster is worn by the human body, the human body cannot bend along the left and right directions, but can freely walk along the direction of the human body.
That is, as a modification of any of the above-described embodiments, the top of the elastic member may be directly rotatably provided on the support member without providing a centering member, and the bottoms of the two expansion members may connect two different positions on the front side of the support member to the two chest cover plates, respectively, so that the expansion member on the left side and the expansion member on the right side can independently perform expansion and contraction movements.
As an alternative, the top of the telescopic assembly 2 may also be fixed to the corresponding chest cover 1.
As an alternative to the above-mentioned power assisting device provided in embodiments 1, 2 and 3, regarding the crotch member 4, the crotch member 4 may be formed as a closed loop by directly using the two supporting plate blocks 41 without providing the first connecting fastener 81 and the first strap 43, and the power assisting device may be worn by directly fitting over the crotch of the human body, or the two supporting plate blocks 41 and the first connecting fastener 81 may be formed so that the first connecting fastener 81 facilitates the wearing of the power assisting device by the human body. Other configurations for the crotch member 4 are possible, as long as a closed loop is formed, suitable for being placed around the crotch portion of the human body, and the specific configuration may not be limited.
Example 4
The present embodiment provides a booster apparatus, which is different from the booster apparatus provided in any of the above embodiments only in that:
the support component is a waist component 3 which is in a first closed ring shape and is suitable for being arranged around the periphery of the waist of a human body, a crotch component 4 is not arranged, and correspondingly the bottom of the telescopic component 2, the middle rotating component and the top of the leg connecting piece are all connected to the waist component 3. The waist member 3 may be similar to any of the above-described crotch members 4 in structure, and the detailed description is provided in the above-described embodiments.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (16)
1. A power assisting device is characterized by comprising
The chest component is suitable for being wound on the periphery of the chest of a human body;
a support member in the form of a first closed loop and adapted to be positioned around the periphery of the crotch or waist of a human body;
at least two sets of telescopic assemblies (2) respectively and independently connecting two different positions on the front side of the supporting assembly with two different positions on the front side of the chest assembly;
the two leg cover plates (6) are respectively suitable for being attached to the front sides of the two legs of the human body and are respectively connected with two different positions on the front side of the supporting component positioned on the same side through a set of connecting mechanism;
any set of the connecting mechanism comprises an elastic piece (52) and a leg connecting piece (51), wherein two ends of the elastic piece are respectively and rotatably arranged on the supporting component and the leg cover plate (6) along the left-right direction of the human body by the axis of the rotating shaft, and two ends of the leg connecting piece are respectively and rotatably arranged on the supporting component and the leg cover plate (6) along the left-right direction of the human body by the axis of the rotating shaft; and the top rotating fulcrums of the elastic piece (52) and the leg connecting piece (51) are vertically staggered.
2. The booster of claim 1, wherein the bottom of any set of said telescopic members (2) is rotatably mounted on the position of the corresponding support member along the fore-and-aft direction of the human body with a rotating shaft axis.
3. The booster of claim 1, wherein the top of any set of said telescopic assemblies (2) is rotatably mounted on the chest assembly with a shaft axis in the left-right direction of the human body.
4. A force assist arrangement according to any of claims 1-3, wherein any set of telescopic assemblies (2) comprises
A housing (22) having a first inner cavity (221) extending vertically;
at least one telescopic piece (21), wherein one end of the telescopic piece (21) is slidably arranged in the first inner cavity (221) of the shell (22), and the other end of the telescopic piece extends out of the shell (22) to form an extending end; one of the protruding end and the housing (22) is mounted on a chest assembly and the other is mounted on a corresponding support assembly;
when the power assisting device is in an inoperative initial state, a vertically extending sliding distance is reserved between the end of the extending end of the telescopic piece (21) extending into the first inner cavity (221) and the end of the shell (22) opposite to the end of the telescopic piece.
5. The booster of claim 4, wherein the number of the telescopic members (21) is two, and the two telescopic members (21) extend vertically and are arranged on the housing (22) in a horizontally staggered manner; the top of the telescopic piece (21) positioned above is arranged on the chest component, and the bottom of the telescopic piece is slidably and rotatably arranged in the first inner cavity (221) of the shell (22); the bottom of the lower telescopic part (21) is arranged on the supporting component, and the top of the lower telescopic part is slidably and rotatably arranged in the first inner cavity (221) of the shell (22);
the telescopic part (21) located above is arranged parallel and non-collinear with the axis of the telescopic part (21) located below.
6. The booster of claim 4, wherein the number of telescopic members (21) is at least two, all of the telescopic members (21) being arranged above the housing (22); wherein the housing (22) is mounted on the support assembly and the top of the uppermost telescopic member (21) is mounted on the chest assembly;
in two adjacent telescopic pieces (21), at least the lower telescopic piece (21) is provided with a second inner cavity (211) extending vertically, the bottom of the upper telescopic piece (21) is slidably arranged in the second inner cavity (211) of the lower telescopic piece (21), and in the initial state, a sliding distance extending vertically is reserved between the bottom of the upper telescopic piece (21) and the bottom of the second inner cavity (211) of the lower telescopic piece (21); the bottom of the lowest telescopic part (21) is slidably arranged in the first inner cavity (221) of the shell (22).
7. The booster of any one of claims 1 to 3, further comprising two intermediate rotating members (42) rotatably provided at the two different positions on the front side of the support assembly in the left-right direction of the human body with a rotating shaft axis, respectively;
the bottom of the telescopic assembly is arranged on the supporting assembly through being arranged on the middle rotating part (42);
the top of the elastic member is provided on the support assembly by being rotatably provided on the transit member.
8. A force assist arrangement according to claim 7, characterised in that in either set of connection arrangements the pivot axes at either end of the leg link (51) and the resilient member (52) are parallel and vertically co-planar when the force assist arrangement is in an inoperative initial condition, and the resilient members (52) apply an initial upward pressure to the respective leg cover plates (6).
9. The booster of claim 8, wherein the intermediate rotating part (42) and the support assembly are respectively provided with a first rotating shaft (424) and a second rotating shaft (423) which are parallel to and vertically staggered along the horizontal direction of the human body;
the tops of the elastic piece (52) and the leg connecting piece (51) are respectively sleeved on the first rotating shaft (424) and the second rotating shaft (423);
the middle rotating part (42) is rotatably arranged on the supporting component by being sleeved on the second rotating shaft (423).
10. The booster of claim 9, wherein the transfer member (42) is provided with a stepped groove or hole (421) having a downward opening, the stepped groove or hole (421) including a first portion (4211) located below and a second portion (4212) located above, the first portion having a larger hole diameter than the second portion;
a first rotating shaft (424) is arranged on the second part, and the side wall of the first part is sleeved on the second rotating shaft (423);
the tops of the leg connecting pieces (51) and the elastic pieces (52) are embedded into the stepped grooves or the stepped holes (421) and are respectively sleeved on the second rotating shaft (423) and the first rotating shaft (424).
11. A force assist arrangement according to any of claims 1-3, characterised in that the elastic member (52) and the bottom of the leg link (51) are rotatably mounted on the same connecting shaft (84) on the leg cover (6) in the same set of said connecting means.
12. The force assist device of any one of claims 1-3 wherein the support assembly includes
Two support plates (41), wherein the inner wall surface of any one support plate (41) is suitable for abutting against the outer side of the waist or the crotch of the human body;
a first binding band (43) for fixedly connecting the rear side ends of the two supporting plates (41), and a first connecting buckle (81) for detachably connecting the front side ends of the supporting plates (41); the first binding band (43), the two supporting plates (41) and the first connecting buckle (81) enclose a first closed ring; the front sides of the two support panels form the two different locations of the support assembly.
13. The force assist device of any one of claims 1-3 wherein the support assembly is a crotch assembly.
14. The force assist device of claim 13 further comprising a waist feature (3) in a second closed loop; the crotch component is connected to the waist component (3) by at least one second connector.
15. The booster of claim 14 wherein the chest assembly comprises
At least one chest cover plate (1), the inner wall surface of which is suitable for abutting against the chest of a human body; a third bandage (12) for fixedly connecting the two ends of the chest cover plate (1); the third bandage (12) and the chest cover plate (1) enclose a third closed ring.
16. The assistive device of claim 15, further comprising a back strap (82), wherein the back strap (82) is connected to the chest plate (1) at both ends of the upper portion thereof and is connected to the lumbar assembly (3) at two different positions on the back side of the human body at both ends of the lower portion thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921301660.8U CN210819538U (en) | 2019-08-12 | 2019-08-12 | Power assisting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921301660.8U CN210819538U (en) | 2019-08-12 | 2019-08-12 | Power assisting device |
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| CN210819538U true CN210819538U (en) | 2020-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355744A (en) * | 2019-08-12 | 2019-10-22 | 苏州瑞步康医疗科技有限公司 | A kind of power assisting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355744A (en) * | 2019-08-12 | 2019-10-22 | 苏州瑞步康医疗科技有限公司 | A kind of power assisting device |
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