CN211095736U

CN211095736U - Wearing-free auxiliary standing device

Info

Publication number: CN211095736U
Application number: CN201921139514.XU
Authority: CN
Inventors: 李建国; 李永强; 刘杰; 姜士伟; 赵洪伟; 王晓栋; 廖香成
Original assignee: Shanghai Bangbang Robot Co ltd
Current assignee: Shanghai Bangbang Robot Co ltd
Priority date: 2019-05-22
Filing date: 2019-07-19
Publication date: 2020-07-28
Anticipated expiration: 2029-07-19
Also published as: CN110327178B; CN110327178A

Abstract

The utility model discloses a wear-free auxiliary standing device, include: the device comprises a frame, an auxiliary standing mechanism, a booster and a knee protection mechanism; the knee protection mechanism is arranged on the frame; the auxiliary standing mechanism comprises a seat for supporting the buttocks of a user, a chest protecting structure for supporting the upper body of the user and a rotating structure; the seat is arranged on the rotating structure, and the end part of the rotating structure, which is far away from one side of the seat, is hinged to the rack; the booster is respectively connected with the frame and the rotating structure, and the booster is actuated to enable the rotating structure to drive the seat to rotate around the frame along the height direction, so that a user can do sitting and standing movement; the seat is always attached to the hip of a user in sitting and standing movement; the chest protector structure is always attached to the upper body of the user during sitting and standing exercise, or the chest protector structure is attached to the upper body of the user only when the user is in a standing state. The utility model discloses need not the user and carry out complicacy and long-time wearing process, sit the seat alright sit upright motion, improve user's enthusiasm and convenience.

Description

Wearing-free auxiliary standing device

Technical Field

The utility model relates to a device technical field that helps standing indicates a wear-free type device that helps standing especially.

Background

For a long time, most users with lower limb movement dysfunction (such as paralyzed and paraplegic users) can only lie in bed or take a wheelchair for a long time, so that the buttocks of the users are in a compression state for a long time, and complications such as bedsores, leg muscle atrophy, osteoporosis, urinary infection and the like are easy to generate.

More and more medical experts begin to realize the importance of standing on users with lower limb motor dysfunction, and users with lower limb motor dysfunction can drive the joints of the lower limbs to move when standing frequently, so that the bearing endurance of bones is trained, the loss speed of the bones from the bones is slowed down, and the bone density of the whole body is increased in the oppressing process. And the standing can lead the blood of the user to circulate, reduce the oppression of the buttocks and further reduce the generation of bedsore. After standing, the organs in the abdominal cavity of the user can not be squeezed with each other any more, the intestines and the stomach have enough space to creep, the phenomena of urination, difficult defecation and the like caused by pressing the bladder are relieved, the occurrence probability of complications can be greatly reduced for the user who frequently stands, the user can see the world from an equal visual angle by frequently standing, and the self-confidence of the life of the user can be enhanced.

Therefore, more and more products of standing to lower limbs movement dysfunction user, for example ectoskeleton robot, gait training appearance, the recovered wheelchair car of standing etc. but these products all have a commonality, just the user need wear complicated wearing device at first when using the product and just can stand, it is complicated to dress the flow, can greatly reduced the enthusiasm that user wanted to stand when dressing time for a long time, be unfavorable for the popularization and use of product, and some users that the waist has strength need not so complicated wearing device at all, consequently the utility model relates to a can remove the supplementary mechanism of standing of dressing from, it is very necessary to help the lower limbs movement dysfunction user that the waist has strength to stand fast.

Disclosure of Invention

The utility model aims at providing an exempt from to wear formula and assist device of standing need not especially to have the user of low limbs movement dysfunction and carries out complicacy and long-time wearing process, only need sit the seat alright sit the motion fast, and the saving equipment enables time increases user's user equipment's enthusiasm and convenience, has improved the market competition of product.

The utility model provides a technical scheme as follows:

a wear-free assisted-standing device comprising:

the device comprises a frame, a standing assisting mechanism, a booster and a knee protecting mechanism;

the knee protection mechanism is arranged on the rack;

the auxiliary standing mechanism comprises a seat for supporting the buttocks of a user, a chest protecting structure for supporting the upper body of the user and a rotating structure;

the seat is arranged on the rotating structure, and the end part of the rotating structure, which is far away from one side of the seat, is hinged to the rack;

the booster is respectively connected with the rack and the rotating structure, and the booster is actuated to enable the rotating structure to drive the seat to rotate around the rack along the height direction, so that a user can do sitting and standing movement; the seat is always attached to the hip of a user in sitting and standing movement; the chest protector structure is always attached to the upper body of the user in the sitting and standing movement, or the chest protector structure is attached to the upper body of the user only in the standing state of the user.

In the technical scheme, a user who particularly has lower limb movement dysfunction does not need to carry out a complex and long-time wearing process, the user can quickly sit and stand by only sitting on a seat (the user with weak lower limbs needs to fix the legs of the user through a knee protection mechanism), the starting time of equipment is saved, the enthusiasm and the convenience of the user for using the equipment are increased, the market competitiveness of products is improved, and the guarantee is provided for the products to occupy market shares. Preferably, the wearing-free wearing reduces discomfort of the user in the wearing process (for example, the user needs to lift legs, the user cannot lift legs by himself, another person needs to carry out auxiliary wearing, and other people can cause physical or psychological discomfort to the user in the wearing process during the help of the user) and adverse consequences caused by the discomfort (the upper body of the user is toppled in the wearing process, the user is uncomfortable in the exercise process due to the wearing discomfort, and the like); more preferably, when the user is in the state of standing, the seat, chest protector structure, knee-pad mechanism can support user's three position, thereby form stable triangular support, greatly reduced user's demand to low limbs holding power when the state of standing, thereby guarantee that user's low limbs can not arouse user's adverse reaction because of the atress is too big when obtaining appropriate exercise again (if because of the too big low limbs atress low limbs impaired, dislocation or user because of can't be hard to take place bad phenomenon such as empty), guaranteed that the user carries out the sitting and standing motion under a secure environment, user has been protected to triangular support's stability, reduce its injury probability. More excellent, chest protector structure supports the user under the state of standing, can effectively avoid the user to lean forward under the state of standing and the phenomenon of easily empting, has still shared the holding power that originally provides by the buttock, has protected the user under the state of standing, has improved the utility model discloses stability, security and the reliability of operation.

Further preferably, the rotating structure is a connector structure, and the connector structure comprises more than one connector; one end of the more than one connecting piece is hinged with the rack, and the other end of the more than one connecting piece is connected with the seat and/or the chest protecting structure; the booster is connected with one of the connectors.

In the technical scheme, the rotation of the seat and/or the chest protecting structure is realized through the connecting piece structure, so that the seat and the chest protecting structure can rotate together, the chest protecting structure can be attached to the upper body of a user in a standing state, stable triangular support is realized to always protect the user, the safety and the reliability of the user in the exercise process are improved, the stress balance and the stability of the user in the exercise process are ensured, and the stress condition of the user in the exercise process is improved; certainly, the chest protector can not rotate along with the seat, when a user is in a sitting posture, the chest protector structure is not contacted with the upper body of the user, but when the user is in a standing state, the chest protector structure is attached to the upper body of the user; the chest protecting structure and the chair can also rotate together, and the chest protecting structure can be always attached to the upper body of the user or only attached to the upper body of the user in a standing state during the movement of the user; the chest protector structure may also conform to the user's upper body at some point during the exercise process as the user transitions to a standing state. The corresponding setting can be carried out according to the users of different types, and the requirements of different users are met.

Further preferably, the connector structure further comprises a mounting member and a linkage member; the mounting piece is arranged below the connecting piece, one end of the mounting piece is hinged to the rack, and the other end of the mounting piece is provided with the seat; the more than one connecting pieces are hinged with the chest protection structure, one end of the linkage piece is connected with one of the connecting pieces, and the other end of the linkage piece is connected with the mounting piece.

Among this technical scheme, realized through installed part and linkage that drive booster can realize the synchronous rotation of seat and chest protector structure simultaneously, practiced thrift the cost, still improved the utility model discloses stability, security and the reliability of operation.

Further preferably, the linkage piece is a linear piece, one end of the linear piece is connected with one of the connecting pieces, and the other end of the linear piece is connected with the mounting piece; or, the linkage piece is a linear piece, one end of the linear piece is connected with one of the connecting pieces, the other end of the linear piece is connected with the mounting piece, and the linear piece can reciprocate close to or far away from the rack through the connecting piece connected with the linear piece; or, the linkage piece is a linear piece, one end of the linear piece is connected with one of the connecting pieces, the other end of the linear piece is connected with the mounting piece, and the linear piece can reciprocate close to or far away from the rack on the mounting piece; or, the linkage piece is an annular band-shaped piece, wherein one of the connecting pieces is provided with more than one rotating shaft, and the mounting piece is provided with more than one rotating shaft; the mounting part or the connecting part provided with the rotating shafts is provided with more than two rotating shafts, all the rotating shafts are arranged in parallel, and the annular strip-shaped parts are respectively sleeved on the outer sides of all the rotating shafts to form a polygonal structure with more than three sides and constant circle length and variable side length; changing the length of an annular belt-shaped piece between two rotating shafts of one of the rotating shafts on the connecting piece provided with the rotating shafts and one of the rotating shafts on the mounting piece provided with the rotating shafts so as to adjust the distance between the chest protector structure and the seat; or, the linkage piece is a belt-shaped piece, one of the connecting pieces is provided with a rotating shaft, and the mounting piece is provided with a rotating shaft; the first end of the belt-shaped piece is provided with a self-locking assembly, the second end of the belt-shaped piece penetrates through the self-locking assembly to enable the belt-shaped piece to form an annular structure, and the annular structure is respectively sleeved on the outer sides of all the rotating shafts; and opening and closing the self-locking assembly to adjust the distance between the chest protection structure and the seat.

In the technical scheme, the linkage part can be a connecting piece part, a rope and a belt, and can also be an annular belt-shaped piece which forms a polygonal structure with constant circumference and variable side length, or a belt-shaped piece which realizes the distance adjustment of the mounting part and the connecting piece through a self-locking assembly; the selection modes are various and can be set according to different customer requirements; the connecting piece part realizes synchronous and same angular speed rotation of the seat and the chest protector structure, and ensures that the stressed part of a user is unchanged; more preferably, when the axis direction reciprocating motion of connecting piece can be followed to linear piece, can guarantee the chest protector structure and guarantee that the chest protector structure is laminated in user's upper part of the body through adjusting the distance between chest protector structure and the seat when user's motion in-process especially stand state for user's motion process is more comfortable, uses more safe convenient, and adaptability is stronger. Similarly, because the variability of belt (the length of side of the polygonal structure that the annular belt forms can be adjusted automatically, the adjustment of length of side can be realized to the belt of loop configuration's accessible auto-lock subassembly), therefore the user is in the motion process, seat and chest protector structure are synchronous rotation, but its angular speed is adjustable, the user can be according to the atress size of self health condition adjustment different positions, can guarantee again simultaneously that the chest protector structure can guarantee the chest protector structure because of the length of side is adjustable and make the chest protector structure laminate in user's upper part of the body through adjusting the distance between chest protector structure and the seat when user motion process especially stand state, make user motion process more comfortable, it is more convenient to use, adaptability is stronger.

Further preferably, the connector structure further comprises a hinge and a support; more than two connecting pieces which are arranged in parallel are hinged with the hinged piece, the lower end of the hinged piece is connected with one end of the supporting piece, and the other end of the supporting piece is connected with the chest protector structure; the supporting piece is arranged between the seat and the frame; the seat is arranged at the end part of one side of the connecting piece, which is far away from the frame.

Among this technical scheme, increased the utility model discloses a product diversity, and the structure is more simple, compact, area is littleer, satisfies different customer demands.

Further preferably, the connector structure further comprises a hinge and a support; the more than one connecting pieces are hinged with the hinged piece, the lower end of the hinged piece is connected with one end of the supporting piece, and the seat is arranged at the other end of the supporting piece; the upper end of articulated elements with chest protector structural connection.

Among this technical scheme, increased the utility model discloses a product diversity, and the structure is more simple, compact, area is little, satisfies different customer demands.

Further preferably, the rotating structure is a connector structure comprising a rigid mounting; a rigid linkage; and more than one connecting piece; one end of each connecting piece is hinged to the rack, and the other end of each connecting piece is connected with the chest protector structure; the rigid mounting part is arranged below the connecting part, one end of the rigid mounting part is hinged to the rack, and the other end of the rigid mounting part is provided with the seat; one end of the rigid linkage piece is connected with one of the connecting pieces, and the other end of the rigid linkage piece is connected with the rigid mounting piece; one end of the booster is connected with the rigid mounting part, and the other end of the booster is connected with the rack.

Among this technical scheme, when installed part and linkage are the rigidity piece, the booster can be connected with the installed part and realize the rotation of seat, drives the rotation of chest protector structure in step, has increased the variety of product, and compact structure and firm.

Further preferably, the rigid linkage piece can reciprocate along the axial direction of the connecting piece on the connecting piece connected with the rigid linkage piece; or, the rigid linkage piece can reciprocate in the length direction of the rigid mounting piece.

Among this technical scheme, during the length direction reciprocating motion of the axis direction of rigid linkage piece edge connecting piece or rigid mounting spare, can guarantee the chest protector structure and realize the chest protector structure and laminate in user's upper part of the body through the distance between adjustment chest protector structure and the seat when user's motion in-process especially stands for user's motion process is more comfortable, uses safer convenience, and the adaptability is stronger.

Further preferably, the rotating structure is a first connecting piece, one end of the first connecting piece is connected with the seat, and the other end of the first connecting piece is hinged to the frame; one end of the booster is connected with the rack, and the other end of the booster is connected with the first connecting piece.

Among this technical scheme, utilize booster and first connecting piece to realize the support and the rotation of seat, simplified greatly the utility model discloses a structure has reduced the utility model discloses a weight and space occupancy are convenient for the utility model discloses a removal and installation.

Further preferably, the auxiliary power assisting device further comprises an auxiliary power assisting structure for being held by a hand of a user, and the auxiliary power assisting structure is arranged on the rack; and/or the device also comprises a driving mechanism for driving the rack to displace, wherein the driving mechanism is provided with a self-locking structure; and/or further comprises a foot pedal for placing the foot of the user.

Among this technical scheme, through supplementary helping hand structure for user's upper limbs also can obtain fine exercise, still can share the atress of seat, chest protector structure, knee-pad mechanism simultaneously, thereby increased the user according to self condition rational distribution atress position and atress size, improved the utility model discloses a practicality, suitability, audience degree.

Among this technical scheme, thereby realize user's autonomic transfer and ride instead of walk etc. through the actuating mechanism who takes self-locking structure, convenient to use person changes different environment, improves the utility model discloses an application scope and practicality (if in hospital or sanatorium, because user's room is little or the room environment is unsuitable for the motion, the user can remove by oneself and carry out the motion in the big and environment-friendly courtyard in space). Preferably, the user can freely move in the exercise environment in a standing state, the visual field limitation of the user in the exercise process is reduced, and the exercise interest and enthusiasm of the user in exercising are improved; simultaneously also be convenient for the utility model discloses a remove. More excellent, fix a position and spacing user's foot through the running-board to ensure the accuracy and the stability of user's upright posture, and avoid the user phenomenon of skidding to appear in the motion process, protect the user, improve the utility model discloses stability, reliability and the security of operation.

The utility model provides a pair of wear-free auxiliary standing device can bring following at least one beneficial effect:

1. the utility model discloses in, need not to have the user of low limbs movement dysfunction and carry out complicacy and long-time wearing process, only need sit the seat (the user that the low limbs are adynamic then need fix its shank through knee-pad mechanism) alright sit the motion fast, the saving equipment start time increases user service equipment's enthusiasm and convenience, has improved the market competition of product, provides the assurance for the product occupies market share. Preferably, the wearing-free wearing reduces discomfort of the user in the wearing process (for example, the user needs to lift legs, the user cannot lift legs by himself, another person needs to carry out auxiliary wearing, and other people can cause physical or psychological discomfort to the user in the wearing process during the help of the user) and adverse consequences caused by the discomfort (the upper body of the user is toppled in the wearing process, the user is uncomfortable in the exercise process due to the wearing discomfort, and the like); more preferably, when the user is in the state of standing, the seat, chest protector structure, knee-pad mechanism can support user's three position, thereby form stable triangular support, greatly reduced user is in the demand of low limbs holding power when the state of standing, thereby guarantee that user's low limbs can not arouse user's adverse reaction because of the atress is too big when obtaining appropriate exercise again (if because of the too big low limbs atress low limbs impaired, dislocation or user because of can't be hard to take place bad phenomenon such as toppling over), guaranteed that the user carries out the motion of sitting under a safety ring border, user has been protected to triangular support's stability, reduce its injury probability. More excellent, chest protector structure supports the user under the state of standing, can effectively avoid the user to lean forward under the state of standing and the phenomenon of easily empting, has still shared the holding power that originally provides by the buttock, has protected the user under the state of standing, has improved the utility model discloses stability, security and the reliability of operation.

2. The utility model discloses in, the distance on linkage and connecting piece edge direction of height is adjustable at user's motion in-process distance to guaranteed the chest protector structure especially under the state of standing in user's motion process and guaranteed the chest protector structure through adjusting the distance between chest protector structure and the seat and laminate in user's upper part of the body, made user's motion process more comfortable, use safer convenient, adaptability is stronger.

3. The utility model provides a wearable auxiliary standing mobile device, which is diversified in product, and the product can be self-walking type or fixed type; the utility model has stable, reliable and safe operation; satisfy different customer demands, improved greatly the utility model discloses a practicality and suitability, market potential is big.

Drawings

The above features, technical features, advantages and modes of realisation of the wearable assisted standing device will be further explained in the following, in a clearly understandable manner, with reference to the accompanying drawings, which illustrate preferred embodiments.

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a first usage state diagram of a second embodiment of the present invention;

fig. 3 is a schematic structural diagram of a second usage state diagram of a second embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first usage state diagram of a third embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second usage state diagram of a third embodiment of the present invention;

fig. 6 is a schematic structural view of a fourth embodiment of the present invention;

fig. 7 is a schematic structural diagram of a fifth embodiment of the present invention;

fig. 8 is a schematic structural diagram of a first usage state diagram of a sixth embodiment of the present invention;

fig. 9 is a schematic structural view of a second usage state diagram of a sixth embodiment of the present invention;

fig. 10 is a schematic perspective view of a sixth embodiment of the present invention;

fig. 11 is a schematic view of a sixth embodiment of the present invention showing a user in a sitting position;

fig. 12 is a schematic view of a user standing in accordance with a sixth embodiment of the present invention;

fig. 13 is a schematic structural view of a seventh embodiment of the present invention;

fig. 14 is a schematic structural diagram of an eighth embodiment of the present invention;

fig. 15 is a schematic structural view of a ninth embodiment of the present invention;

fig. 16 is a schematic structural view of a tenth embodiment of the present invention;

fig. 17 is a schematic structural view of a first usage state diagram of an eleventh embodiment of the present invention;

fig. 18 is a schematic structural diagram of a second usage state diagram of the eleventh embodiment of the present invention.

The reference numbers illustrate:

1. the vehicle seat comprises a frame, 21, a seat, 22, a chest protecting structure, 221, a supporting plate, 23, a rotating structure, 231, a first connecting piece, 2321, a second connecting piece, 23211, a first supporting rod, 23212, a second supporting rod, 23213, a locking button, 23214, a sliding through hole, 2322, a third connecting piece, 2323, a mounting piece, 23231, a first mounting rod, 23232, a second mounting rod, 23241, a fourth connecting piece, 23242, an annular belt-shaped piece, 23243, a first rotating shaft, 23244, a second rotating shaft, 23245, a third rotating shaft, 23246, a hinge piece, 23247, a supporting piece, 23248, a transition piece, 2341, a fifth connecting piece, 2342, a belt-shaped piece, 2343, a fourth rotating shaft, 2344, a fifth rotating shaft, 2345, a self-locking assembly, 34, a mounting plate, 3, a booster, 31, a controller, 4, a knee protecting mechanism, 51, an armrest, 52, a pull ring 521, a power structure, 6, a pedal, and 8.

Detailed Description

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure of the product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one". Herein, the height direction refers to the up-down direction, the front-back direction of the user refers to the front-back direction of the user when the user sits on the seat, and the left-right direction of the user refers to the left-right direction of the user when the user sits on the seat.

In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Herein, the height direction means the up-down direction, and up, down, left, right, front, and right means up, down, left, right, front, and right of the described drawings, which do not fully represent the actual situation. In this context, the sitting and standing movement includes three movement states of sitting, sitting to standing, and standing.

In one embodiment, as shown in fig. 1-18, a wearable assisted-standing device, comprises: a frame 1, an auxiliary standing mechanism, a booster 3 and a knee protection mechanism 4; the kneepad mechanism 4 is arranged on the frame 1; the standing assist mechanism includes a seat 21 for supporting the buttocks of the user 8, a chest protector structure 22 for supporting the upper body of the user 8, and a rotation structure 23; the seat 21 is arranged on the rotating structure 23, and the end part of the rotating structure 23 far away from one side of the seat 21 is hinged to the frame 1; the booster 3 is respectively connected with the frame 1 and the rotating structure 23, and the booster 3 is actuated to enable the seat 21 to rotate around the frame 1 along the height direction, so that a user 8 can do sitting and standing movement; the seat 21 is always attached to the hip of the user 8 in the sitting and standing movement; the chest protector structure 22 is always fitted to the upper body of the user 8 in the sitting and standing exercise, or the chest protector structure 22 is fitted to the upper body of the user 8 only when the user 8 is in a standing state. In practical application, a user 8 can realize sitting and standing movement only by directly sitting on the seat 21 (the leg of the user 8 with weak lower limbs needs to be fixed by the knee protection mechanism 4), and does not need to go through a complex and time-consuming wearing process; through repeated sitting posture or standing switching movement, a series of complications caused by long-term bed rest or wheelchair making and the like of the user 8 are avoided, so that the user 8 can improve the recovery probability while exercising, improve the physical state and bring recovery hope and good physical and mental construction for the user 8. Preferably, if the user 8 with strength of upper limbs or waist needs no other person to help the user 8 to sit on the seat 21, the user can independently sit on the seat 21 by means of the support of both hands; of course, if the user 8 has a weak upper limb or waist, another person may be only needed to help the user 8 to sit on the seat 21. The utility model discloses it is very convenient and simple to use. It is worth mentioning that a user 8 with powerful lower limbs can fix his legs by means of the knee protection 4; the leg can be fixed without using the knee protecting mechanism 4.

In the second embodiment, as shown in fig. 1 to 16, on the basis of the first embodiment, the rotating structure 23 is a connecting member structure, and the connecting member structure includes more than one connecting member; one end of more than one connecting piece is hinged with the frame, and the other end of more than one connecting piece is connected with the seat 21 and/or the chest protecting structure 22; the booster 3 is connected to one of the connectors. In practical applications, in order to ensure that the seat 21 rotates in the frame 1, when the rotating structure 23 is connected to the chest protector 22 only, the chest protector 22 can be connected to the seat 21 to realize that the chest protector 22 rotates and simultaneously rotates the seat 21 (as shown in fig. 6 and 7); of course, a set of connecting piece structures connected with the booster 3 can be additionally arranged to be connected with the seat 21, so that the seat 21 is driven to rotate by one set of connecting piece structures, the chest protection structure 22 is driven to rotate by the other set of connecting piece structures, at the moment, the rotating speeds of the seat 21 and the chest protection structure 22 can be respectively set according to different human body structures, and of course, the rotating speeds of the two boosters 3 can also be the same. However, the present invention preferably realizes the synchronous rotation of the seat 21 and the chest protector 22 through one booster 3, thereby simplifying the structure and saving the cost. When the swivel structure 23 is connected only to the seat 21, the chest protector 22 can be arranged above the frame 1 without swiveling with the seat 21, the chest protector 22 supporting the user 8 only when the user 8 is in a standing position (see fig. 17 and 18). When the rotation structure 23 is connected to both the seat 21 and the chest protector 22, the seat 21 and the chest protector 22 can be connected for synchronous rotation (as shown in fig. 6 and 7, and fig. 8-12), and the seat 21 and the chest protector 22 can be separately provided, when the seat 21 and the chest protector 22 are connected for synchronous rotation (as shown in fig. 1-5) through the linkage assembly (e.g., the fourth link 23241, the annular belt 23242, etc.). In practical applications, the connector structure may include one connector (as shown in fig. 13-18), and the connector structure may include more than one connector (as shown in fig. 1-12); each connecting piece can be composed of more than one sub-connecting piece which is linearly arranged along the horizontal direction (for example, the connecting piece is a telescopic connecting piece), and each connecting piece can be composed of more than one sub-connecting piece which is polygonal arranged along the horizontal direction. The cross section of the connecting piece can be in a regular polygon shape such as a circle, a rectangle, a U shape, an ellipse and the like or other irregular polygons.

In the third embodiment, as shown in fig. 1 to 16, on the basis of the second embodiment, the connector structure further includes a mounting member 2323 and a link member; the mounting piece 2323 is arranged below the connecting piece, one end of the mounting piece 2323 is hinged to the rack 1, and the other end of the mounting piece 2323 is provided with a seat 21; more than one connecting piece is all articulated with chest protector 22, and one end and one of them connecting piece of linkage are connected, and the other end and the installed part 2323 of linkage are connected. Preferably, the link member is a linear member, one end of which is connected to one of the connection members, and the other end of which is connected to the mounting member 2323. It is noted that the linear member may be a rigid member (as shown in fig. 1-3, 14), such as a connecting member; the linear member may be a flexible member (as shown in fig. 4, 5 and 13), such as a cord, a string, a chain, or the like, which can be bent. Preferably, the linear member is adapted to reciprocate along the length of the link member towards and away from the frame at the link member to which it is attached, thereby allowing the distance between the chest protector 22 and the seat 21 to be adjusted by sliding the linear member over the link member during exercise, sitting or standing to improve the comfort of the user 8. Of course, the linear member may also reciprocate toward and away from the frame along the length of the mounting member 2323 to effect adjustment of the distance between the chest protector 22 and the seat 21. In an exemplary embodiment, the linear member is preferably a fourth connecting member 23241 (as shown in fig. 1-3 and 14), a lower wall of the connecting member hinged to the fourth connecting member 23241 is opened with a long hole extending along its own axis, and a hinged point of the connecting member and the fourth connecting member 23241 is slidable in the long hole, so as to achieve fine adjustment of the distance between the chest protector 22 and the seat 21, and to adjust the stress conditions of the three supporting parts (leg, hip, upper body) by the fine adjustment. Second, a contact portion between the fourth connecting member 23241 and a connecting member (e.g., the third connecting member 2322 or the fifth connecting member 2341) connected to the fourth connecting member 23241 is provided with a guide rail and a guide block, which are in a concave-convex fit, wherein the guide rail is provided on the connecting member (e.g., the third connecting member 2322 or the fifth connecting member 2341) connected to the fourth connecting member 23241, and the guide block is connected to the fourth connecting member 23241; the two ends of the guide rail are provided with limiting parts, so that the sliding distance of the guide block on the guide rail is limited. It should be noted that the structures of the first and second embodiments are also applicable to flexible members, such as ropes, straps, chains, etc., and will not be described herein.

In the fourth embodiment, as shown in fig. 1 to 16, on the basis of the third embodiment, the present embodiment is different from the third embodiment in that: the linear member is replaced with an annular band 23242. That is, one of the connecting members has more than one rotating shaft, and the mounting member 2323 has more than one rotating shaft; the mounting member 2323 or the connecting member provided with the rotating shafts is provided with more than two rotating shafts, all the rotating shafts are arranged in parallel, and the annular strip-shaped members 23242 are respectively sleeved outside all the rotating shafts and form a polygonal structure with more than three sides, wherein the length of the circle of the polygonal structure is constant and the length of the side of the polygonal structure is variable; the length of the annular band 23242 between the two shafts of one of the shafts on the connection with the shaft and the mounting 2323 with the shaft is changed to adjust the distance between the chest protector 22 and the seat 21. For example, as shown in fig. 4 and 5, the connecting member structure includes a second connecting member 2321 and a third connecting member 2322 which are arranged in a height direction in sequence from top to bottom, wherein the third connecting member 2322 is provided with a first rotating shaft 23243, the mounting member 2323 is provided with a second rotating shaft 23244 and a third rotating shaft 23245 in sequence along an axial direction of the third connecting member 2322, the axial direction of the first rotating shaft 23243, the axial direction of the second rotating shaft 23244, and the axial direction of the third rotating shaft 23245 are parallel to each other, and the annular belt-shaped member 23242 is respectively sleeved outside the first rotating shaft 23243, the second rotating shaft 23244, and the third rotating shaft 23245. If the length of the annular band 23242 between the first rotating shaft 23243 and the second rotating shaft 23244 is adjusted, the distance between the chest protector 22 and the seat 21 can be increased; when the length of the annular belt 23242 between the first rotating shaft 23243 and the second rotating shaft 23244 is shortened, the distance between the chest protector 22 and the seat 21 can be reduced. More preferably, because the annular belt 23242 can be in the pivot change according to the change of user 8 posture by oneself and change the length of a side that is located between third connecting piece 2322 and installed part 2323 to guaranteed that user 8 is in the whole sitting and standing motion process of the motion between position of sitting, position of sitting and the state of standing, chest protector structure 22 can laminate user 8's upper part of the body all the time, improved the utility model discloses a safety in utilization, travelling comfort and stability. The user 8 can also adjust the movement between the sitting posture and the standing state and the time required by the standing state according to the requirement so as to achieve different exercise purposes. In practical applications, the first rotating shaft 23243, the second rotating shaft 23244 and the third rotating shaft 23245 may be fixedly connected or coupled to the third connecting member 2322. The first rotating shaft 23243, the second rotating shaft 23244 and the third rotating shaft 23245 may be directly disposed on the third connecting member 2322 or the mounting member 2323, or may be a component of a structure disposed on the third connecting member 2322 or the mounting member 2323; and the first rotating shaft 23243, the second rotating shaft 23244 and the third rotating shaft 23245 may be of a linear type or an annular structure. The endless belt 23242 may be a cloth belt, rope, belt, wire, metal belt, chain, or the like. The number of the rotating shafts can be more than three, but the connecting piece and the mounting piece 2323 are at least provided with one rotating shaft, so that the side lengths of two sides between the connecting piece and the mounting piece 2323 can be adjusted.

In the fifth embodiment, as shown in fig. 13, on the basis of the fourth embodiment, the present embodiment is different from the fourth embodiment in that: the annular belt-shaped member 23242 is replaced by a linear belt-shaped member 2342, a first end of the belt-shaped member 2342 is provided with a self-locking assembly 2345, and a second end of the belt-shaped member 2342 penetrates through the self-locking assembly 2345, so that the belt-shaped member 2342 forms an annular structure, and the annular structures are respectively sleeved on the outer sides of all the rotating shafts; the self-locking assembly 2345 is opened and closed to adjust the distance between the chest protector 22 and the seat 21. At this time, the connecting piece only needs to be provided with more than one rotating shaft, and the mounting piece 2323 also only needs to be provided with more than one rotating shaft, namely the number of the rotating shafts is more than two. Illustratively, as shown in fig. 13, the connecting member structure is a connecting member, i.e., a fifth connecting member 2341, one end of the fifth connecting member 2341 is hinged to the frame, the other end of the fifth connecting member 2341 is connected to the chest protecting structure 22, the fifth connecting member 2341 and the mounting member 2323 are connected by a belt 2342, the fifth connecting member 2341 is provided with a fourth rotating shaft 2342, the mounting member 2323 is provided with a fifth rotating shaft 2344, the first end and the second end of the belt 2342 are sleeved between the fourth rotating shaft 2342 and the fifth rotating shaft 2344 through a loop structure formed by the self-locking assembly 2345, when the self-locking assembly 2345 is opened, the second end of the belt 2342 is in a free state, the distance between the chest protecting structure 22 and the seat 21 is adjusted to be long or short under the action of the user 8, and then the self-locking assembly 2345 is closed to complete the corresponding length. In practical applications, the fourth rotation shaft 2342 and the fifth rotation shaft 2344 may be fixedly connected or coupled to the third connection member 2322 or the mounting member 2323; the third connection member 2322 or the mounting member 2323 may also be a component of a structure disposed on the third connection member 2322 or the mounting member 2323; the fourth rotation shaft 2342 and the fifth rotation shaft 2344 may be linear or circular structures. The strap 2342 may be a cloth strap, a rope, a belt, a wire, a metal belt, a chain, or the like. Self-locking assembly 2345 may be a buckle, latch, or other assembly having both a locking strap 2342 and a releasing strap 2342, and may be of either manual or automatic construction. If the self-locking component 2345 comprises two metal rings, the second end of the belt-shaped member 2342 sequentially penetrates through the two metal rings and then penetrates through the metal ring which is firstly penetrated, and the second end of the belt-shaped member 2342 is manually pulled by a user 8 to realize adjustment; for another example, the self-locking assembly 2345 includes a metal buckle, and a metal piece hinged to one side of the metal buckle, the metal piece extends to the other side opposite to the hinged side, and the second end of the belt piece 2342 is correspondingly provided with a plurality of holes through which the metal piece can pass, so that adjustment can also be achieved; if again like self-locking subassembly 2345 include one be equipped with the bellied rotation piece of arc and one can wear the toothholder of establishing by banded piece 2342, rotate the piece and articulate in the toothholder for the second end of banded piece 2342 passes the toothholder and rotates the passageway that the piece formed, when the protruding butt of arc in the toothholder alright realize banded piece 2342's locking, when the toothholder was kept away from to the protruding piece of arc, banded piece 2342 alright freely slide in the passageway, consequently the accessible rotates the piece and realizes adjusting.

In the sixth embodiment, as shown in fig. 6, 7, 15 and 16, on the basis of the second embodiment, the connecting member structure further includes a hinge 23246 and a support 23247; more than one connecting pieces are hinged with a hinged piece 23246, the lower end of the hinged piece 23246 is connected with one end of a supporting piece 23247, and the other end of the supporting piece 23247 is provided with a seat 21; the upper end of hinge 23246 is connected to chest protector 22. This embodiment positions the chest protector 22 and seat 21 offset at one end of the connector. It is noted that the support 23247 is merely an intermediary for the seat 21 to be connected to the hinge 23246, and therefore, the support 23247 may be a part of the hinge 23246 or a part thereof, or a separate part connected to the hinge 23246. Similarly, the chest protector 22 can be directly disposed on the upper end of the hinge 23246, and the chest protector 22 can also be disposed on the hinge 23246 through a component.

In embodiment seven, as shown in fig. 8-12, the connector structure further includes hinge 23246 and brace 23247; more than two connecting pieces which are arranged in parallel are hinged with a hinge piece 23246, the lower end of the hinge piece 23246 is connected with one end of a support piece 23247, and the other end of the support piece 23247 is connected with the chest protection structure 22; the support 23247 is provided between the seat 21 and the frame 1; the seat 21 is arranged on one of the connecting elements on the side remote from the frame 1. Locate support 23247 between seat 21 and frame 1 thereby make support 23247 be located the space between seat 21 and frame 1 and do not occupy other spaces, shortened the utility model discloses along the size of user 8 fore-and-aft direction, reduced the space area occupied of this embodiment. Preferably, the supporting member 23247 is a rod-shaped member formed by extending from the hinge 23246 toward the frame 1 and then extending upward in the height direction, and the chest protector 22 is disposed at the upper end of the supporting member 23247. In practical applications, the supporting member 23247 may be disposed on one side of the connecting member along the left-right direction of the user 8, and the supporting member 23247 may also penetrate through the connecting member and be connected to the chest-protecting structure 22. When the supporting member 23247 penetrates through the connecting member and then is connected to the chest protector 22, a sliding through hole 23214 extending along the extending direction of the connecting member is provided at a position of the connecting member corresponding to the supporting member 23247. Based on the parallelogram principle, when the seat 21 rotates upward, the hinge 23246 drives the chest protector 22 connected to the other end of the support 23247 to rotate downward, and since the distance between the chest protector 22 and the seat 21 changes to some extent, the interference problem between the connecting member and the support 23247 is avoided by the sliding through-hole 23214 (there is no interference problem when the support 23247 is disposed beside the connecting member).

Preferably, the supporting member 23247 is an arc-shaped member, and the center of the supporting member 23247 is disposed near one side of the seat 21. Preferably, hinged member 23246 is fixedly coupled or removably coupled to support member 23247 via transition member 23248. Preferably, the supporting member 23247 is connected to the chest protector 22 by a connecting rod, and the connecting rod is fixedly or detachably connected to the supporting member 23247. The central angle or arc length of the supporting member 23247 may be set according to the needs of the user 8, and the position of the center of the supporting member 23247 may be adjusted by adjusting the connection manner of the supporting member 23247 with the hinge member 23246, the transition member 23248 or the connecting rod, so as to adapt to different types of users 8. And still can realize chest protector structure 22 along the position adjustment of direction of height through the connected mode of adjustment connecting rod and support piece 23247 to be applicable to the user 8 of different grade type, thereby improve the utility model discloses a frequency of use reduces its board vacancy rate, thereby practices thrift use cost. It should be noted that the supporting member 23247 may be an arc member or a variable-diameter arc structure, so that the chest protector 22 can be ensured to be attached to the upper body of the user 8 by adjusting the distance between the chest protector 22 and the seat 21 during the whole exercise of the user 8, especially in the standing state, or the chest protector 22 can be configured to be attached to the upper body of the user 8 only when the user 8 is in the standing state. The supporting member 23247 may also be a U-like member, and the opening thereof is disposed toward the seat 21, which is not described herein.

In the eighth embodiment, as shown in fig. 17 and 18, based on the first embodiment, the rotating structure 23 is the first connecting member 231, one end of the first connecting member 231 is connected with the seat 21, the other end of the first connecting member 231 is hinged to the frame 1, and the booster 3 is connected with the first connecting member 231. in practical applications, when the booster 3 rotates the first connecting member 231 counterclockwise from right to left in the height direction and drives the seat 21 to rotate counterclockwise, the user 8 is switched from the sitting position to the standing position, whereas when the booster 3 rotates the first connecting member 231 clockwise from left to right in the height direction and drives the seat 21 to rotate clockwise, the user 8 is switched from the standing position to the sitting position, at this time, for convenience, various components (the auxiliary standing mechanism, the booster 3 and the knee protection mechanism 4) are mounted on the frame 1, the cross-sectional shape of the frame 1 is preferably an L-type structure including a vertical portion and a transverse portion, and the booster 3, the knee protection mechanism 4, the seat 21 and the chest protection structure 22 are all disposed in a space at a right angle inside the frame 1, wherein the chest protection structure 22 is disposed at the upper end of the vertical portion, the lower end of the chest protection mechanism 4, and the first connecting member 231, and the transverse connecting member.

In an embodiment nine, as shown in fig. 1 to 18, on the basis of any one of the first to eighth embodiments, an auxiliary power assisting structure for a hand of the user 8 to hold is further included, and the auxiliary power assisting structure is provided on the frame 1. In practical applications, the auxiliary boosting structure may be an armrest 51 (for the user 8 to hold in the left-right direction) or a pull ring 52 (for the user 8 to hold in the front-back direction of the user 8). Preferably, the auxiliary power structure is movable back and forth towards and away from the frame 1.

Specifically, the auxiliary power-assisted structure can reciprocate up and down along the up-down direction to be close to or far away from the rack 1; the auxiliary power-assisted structure can do up-and-down reciprocating motion close to or far away from the machine frame 1 along the horizontal direction of a user 8; the auxiliary power-assisted mechanism can simultaneously reciprocate close to or far away from the rack 1 along the up-down direction and/or the left-right direction, for example, the auxiliary power-assisted mechanism can rotate around the rack 1 to realize the close to or far away from the rack 1 along the horizontal direction. Specifically, the auxiliary power assisting structure can realize the reciprocating motion by a power structure 521 arranged on the frame 1 (as shown in fig. 17 and 18). In practical application, the power structure 521 can be used only as a power component for adjusting the auxiliary power-assisted structure at the position of the frame 1, so as to realize that the utility model is suitable for users 8 of different types; of course, the power structure 521 may also serve as a power component to assist the user 8 in standing, such that the user 8 pulls the user 8 up to a standing state during the reciprocating motion of the auxiliary power assist structure. Of course, the auxiliary power assisting structure can also be fixed at the upper end of the frame 1, and is only held as the user 8 so that the user 8 can switch between the sitting posture and the standing state by means of the arm strength, and the auxiliary power assisting structure also belongs to the protection scope of the utility model. Preferably, the auxiliary power assisting structure may be two and disposed at both sides of the frame 1 (i.e., at both left and right sides of the user 8), and the auxiliary power assisting structure may be disposed at the front of the user 8.

In the tenth embodiment, as shown in fig. 1 to 18, on the basis of any one of the first to ninth embodiments, the driving mechanism 6 is further included for driving the rack 1 to displace, and the driving mechanism is provided with a self-locking structure; the driving mechanism 6 comprises a wheel train structure supporting the rack 1 and a driving structure driving the wheel train structure to move, and the self-locking structure can be arranged on a wheel assembly of the wheel train structure to lock the wheel, so that a user 8 can lock the wheel when needing to move, and the potential safety hazard existing due to the sliding phenomenon in the moving process of the user 8 is avoided. Preferably, a foot rest 7 for resting the foot of a user 8 is also included. Preferably, the pedal 7 may have a receiving space for receiving the foot, so as to prevent the foot of the user 8 from slipping during the exercise process to cause the user 8 to topple over, and improve the safety of the user 8 during the exercise process. Preferably, two pedals 7 are provided on both sides of the frame 1, but of course, two pedals 7 may be provided between the frame 1 and the seat 21. In practical applications, the rotating structures 23 can be arranged in one group (as shown in fig. 1-6, 8-15, 17 and 18) or more than one group (as shown in fig. 7 and 16), and when the rotating structures 23 are arranged in one group, the rotating structures 23 are preferably connected with the bottom of the stress point of the seat 21 and the buttocks of the user 8; when the rotating structures 23 are more than one group, the rotating structures 23 are preferably arranged in sequence along the left and right direction of the user 8; and each set of rotary structures 23 can be provided with a booster 3; of course, more than one set of rotary structures 23 may also be provided with only one booster 3. Preferably, in order to facilitate the arrangement of the rotating structures 23, the seat 21 is preferably connected with each group of rotating structures 23 through a mounting plate 34, and the booster 3 is connected with the mounting plate 34. The seat 21 may be the seat 21 in which the two legs of the user 8 are provided on both sides of the seat 21, or the seat 21 may be the seat in which the two legs of the user 8 are placed between the frame 1 and the seat 21, and thus, the knee support mechanisms 4 are correspondingly provided on both sides of the frame 1, or the knee support mechanisms 4 are provided between the frame 1 and the seat 21.

In the eleventh embodiment, as shown in fig. 1 to 18, the knee protecting mechanism 4 can reciprocate closer to or farther from the frame 1 on the basis of any of the first to tenth embodiments. Preferably, the seat 21 is horizontally reciprocable toward and away from the frame 1. Preferably, the chest protector 22 is reciprocatable towards and away from the frame 1. Preferably, the frame 1 is telescopic in the height direction. Preferably, the chest protector 22 comprises a support plate 221 for fitting the chest of the user 8, the support plate 221 being adjustable in size in the left-right direction of the user 8. Preferably, the support plate 221 is an arc-shaped plate, the opening of which faces the user 8 and fits the chest of the user 8. Illustratively, the above knee protecting mechanism 4, the seat 21, the auxiliary boosting structure and the chest protecting structure 22 can be installed on the frame 1 through a telescopic assembly, the telescopic assembly comprises two supporting rods which are sleeved with each other, namely, a first supporting bar 23211 and a second supporting bar 23212 (for the mounting member 2323, the first supporting bar 23211 corresponds to the first mounting bar 23231, and the second supporting bar 23212 corresponds to the second mounting bar 23232), and a locking button 23213 is provided on the outer side of one of the supporting bars, the user 8 presses the locking button 23213 to move the first supporting bar 23211 and the second supporting bar 23212 toward or away from each other in the axial direction, and then realize the reciprocating motion and the auto-lock of above parts (knee-pad mechanism 4, seat 21, supplementary helping hand structure, chest protector structure 22), thereby make the utility model is suitable for a user 8 of different grade type (fat, thin, four limbs length difference, width difference etc.). It should be noted that the knee protecting mechanism 4, the seat 21, the frame 1 and the chest protecting structure 22 can be adjusted in the height direction by the telescopic assembly, and the knee protecting mechanism 4, the seat 21, the auxiliary power assisting structure and the chest protecting structure 22 can also be adjusted in the front-back direction of the user 8 by the telescopic assembly. Likewise, the frame 1 can also be extended or retracted in the height direction by means of a telescopic assembly. Preferably, the knee protecting mechanism 4 and the chest protecting structure 22 can rotate a certain angle along the height direction, so that the knee protecting mechanism 4 and the chest protecting structure 22 can adjust the angle according to the change of the body posture of the user 8 in the process of exercise, thereby improving the comfort of the utility model. It should be noted that the linear motion (such as the reciprocating motion in the height direction, the reciprocating motion in the left-right direction of the user 8, or the reciprocating motion in the front-back direction of the user 8) of the knee protecting mechanism 4, the seat 21, the frame 1, the auxiliary power assisting mechanism, and the chest protecting mechanism 22 may be a linear motor, a worm gear structure with a pawl self-locking structure, a screw pair structure, a structure with more than two support rods (as described above), a rotary nut linear driving structure, a pneumatic mechanism, a hydraulic mechanism, or the like. And the knee protection mechanism 4, the chest protection structure 22 or the auxiliary power assisting structure can rotate along the height direction by a motor and a worm and gear structure with a pawl self-locking structure. It should be noted that the chest protector 22 can rotate a certain angle along the frame 1 in the height direction, so that the user 8 can adjust the position of the upper body and the chest protector 22, and the support plate 221 can be hinged to the support member for mounting the support plate 221 on the frame 1, so as to adjust the position of the upper body and the chest protector 22 by the user 8, and it should be noted that the chest protector 22 can also achieve the reciprocating motion relative to the frame 1 in the horizontal direction due to the rotation of the chest protector 22 in the height direction, and therefore, the reciprocating motion of the chest protector 22 close to or far away from the frame 1 is also equivalent. The same applies to the knee protecting mechanism 4 and the seat 21.

It should be noted that the above embodiments can be freely combined as necessary. The booster 3 (i.e., the seat 21) can support the user 8 in a standing state without being stressed, the booster 3 (i.e., the seat 21) can also be stressed in a standing state of the user 8, and the chest protector 22 and the knee protector 4 can also only support the user or support and bear the user simultaneously as the booster 3. The booster 3 may be a push rod mechanism (such as a linear motor, a worm and gear mechanism, a screw pair, a pneumatic element, a hydraulic power element, a gas-liquid hybrid power element, etc.) which moves linearly or a rotating mechanism (such as a worm and gear mechanism, a motor, a gear mechanism, etc.) which moves rotationally, and the controller 31 for controlling the booster 3 to open and close may be disposed on the frame 1, or may be disposed on a component which is convenient for the user 8 to operate, such as an auxiliary boosting mechanism, the seat 21, etc. And the components capable of reciprocating (such as the knee protection mechanism 4, the chest protection structure 22, the frame, the auxiliary boosting structure and the like) and the booster 3 can be controlled manually or by a switch. During the movement of the user 8 between the sitting posture and the standing posture, the seat 21 and the knee protecting mechanism 4 (or the seat 21, the knee protecting mechanism 4 and the auxiliary power assisting structure play a main supporting role for the user 8, or the seat 21, the knee protecting mechanism 4 and the chest protecting structure 22 play a main supporting role for the user 8, or the seat 21, the knee protecting mechanism 4, the auxiliary power assisting structure and the chest protecting structure 22 play a main supporting role for the user 8), and the chest protecting structure 22 can be in contact with or not in contact with the body of the user 8, and can provide support or not provide support; however, when the user 8 is in a standing state, the chest protector 22 fits the upper body of the user 8 to support the user 8, and prevents the user 8 from leaning forward to protect the safety of the user 8. When the frame 1 meets the stability requirement of the user 8 during exercise, the frame 1 is not fixedly connected with a supporting surface (such as the ground) for supporting the frame, but is directly placed on the supporting surface to enable the user 8 to exercise; when the frame 1 does not meet the stability requirement of the user 8 during exercise, the frame 1 needs to be fixedly connected with a supporting surface (such as the ground) for supporting the frame, and the fixed connection can be realized by embedding or bolts and the like. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A wear-free assisted-standing device, comprising:

the knee protection mechanism is arranged on the rack;

2. The wearable assisted-standing device of claim 1, wherein:

the rotating structure is a connecting piece structure, and the connecting piece structure comprises more than one connecting piece;

one end of the more than one connecting piece is hinged with the rack, and the other end of the more than one connecting piece is connected with the seat and/or the chest protecting structure;

the booster is connected with one of the connectors.

3. The wearable assisted-standing device of claim 2, wherein:

the connecting piece structure further comprises a mounting piece and a linkage piece; the mounting piece is arranged below the connecting piece, one end of the mounting piece is hinged to the rack, and the other end of the mounting piece is provided with the seat;

the more than one connecting pieces are hinged with the chest protection structure, one end of the linkage piece is connected with one of the connecting pieces, and the other end of the linkage piece is connected with the mounting piece.

4. A wearable assisted-standing device as claimed in claim 3, wherein:

the linkage piece is a linear piece, one end of the linear piece is connected with one of the connecting pieces, and the other end of the linear piece is connected with the mounting piece; or the like, or, alternatively,

the linkage piece is a linear piece, one end of the linear piece is connected with one of the connecting pieces, the other end of the linear piece is connected with the mounting piece, and the linear piece can reciprocate close to or far away from the rack through the connecting piece connected with the linear piece; or the like, or, alternatively,

the linkage piece is a linear piece, one end of the linear piece is connected with one of the connecting pieces, the other end of the linear piece is connected with the mounting piece, and the linear piece can reciprocate close to or far away from the rack on the mounting piece; or the like, or, alternatively,

the linkage part is an annular belt-shaped part, one of the connecting parts is provided with more than one rotating shaft, and the mounting part is provided with more than one rotating shaft; the mounting part or the connecting part provided with the rotating shafts is provided with more than two rotating shafts, all the rotating shafts are arranged in parallel, and the annular strip-shaped parts are respectively sleeved on the outer sides of all the rotating shafts to form a polygonal structure with more than three sides and constant circle length and variable side length; changing the length of an annular belt-shaped piece between two rotating shafts of one of the rotating shafts on the connecting piece provided with the rotating shafts and one of the rotating shafts on the mounting piece provided with the rotating shafts so as to adjust the distance between the chest protector structure and the seat; or the like, or, alternatively,

the linkage part is a belt-shaped part, one of the connecting parts is provided with a rotating shaft, and the mounting part is provided with a rotating shaft; the first end of the belt-shaped piece is provided with a self-locking assembly, the second end of the belt-shaped piece penetrates through the self-locking assembly to enable the belt-shaped piece to form an annular structure, and the annular structure is respectively sleeved on the outer sides of all the rotating shafts; and opening and closing the self-locking assembly to adjust the distance between the chest protection structure and the seat.

5. The wearable assisted-standing device of claim 2, wherein:

the connector structure further comprises a hinge and a support; more than two connecting pieces which are arranged in parallel are hinged with the hinged piece, the lower end of the hinged piece is connected with one end of the supporting piece, and the other end of the supporting piece is connected with the chest protector structure; the supporting piece is arranged between the seat and the frame;

the seat is arranged at the end part of one side of the connecting piece, which is far away from the frame.

6. The wearable assisted-standing device of claim 2, wherein:

the connector structure further comprises a hinge and a support; the more than one connecting pieces are hinged with the hinged piece, the lower end of the hinged piece is connected with one end of the supporting piece, and the seat is arranged at the other end of the supporting piece; the upper end of articulated elements with chest protector structural connection.

7. The wearable assisted-standing device of claim 1, wherein:

the rotating structure is a connector structure, and the connector structure comprises a rigid mounting part; a rigid linkage; and more than one connecting piece;

one end of each connecting piece is hinged to the rack, and the other end of each connecting piece is connected with the chest protector structure;

the rigid mounting part is arranged below the connecting part, one end of the rigid mounting part is hinged to the rack, and the other end of the rigid mounting part is provided with the seat; one end of the rigid linkage piece is connected with one of the connecting pieces, and the other end of the rigid linkage piece is connected with the rigid mounting piece;

one end of the booster is connected with the rigid mounting part, and the other end of the booster is connected with the rack.

8. The wearable assisted-standing device of claim 7, wherein:

the rigid linkage piece can reciprocate along the axis direction of the connecting piece on the connecting piece connected with the rigid linkage piece; or the like, or, alternatively,

the rigid linkage piece can reciprocate in the length direction of the rigid mounting piece.

9. The wearable assisted-standing device of claim 1, wherein:

the rotating structure is a first connecting piece, one end of the first connecting piece is connected with the seat, and the other end of the first connecting piece is hinged to the rack; one end of the booster is connected with the rack, and the other end of the booster is connected with the first connecting piece.

10. The wearable assisted-standing device of any one of claims 1-9,

further comprising:

the auxiliary power-assisted structure is used for being held by the hand of a user and is arranged on the rack; and/or the presence of a gas in the gas,

the driving mechanism is used for driving the rack to displace and is provided with a self-locking structure; and/or the presence of a gas in the gas,

a foot rest for resting a user's foot.