CN208435876U - A kind of power assisting device - Google Patents

Abstract

The utility model discloses a kind of power assisting devices, including supporting element, waist feature and two cover plates；At least two sets of energy storing structures respectively connect supporting element, waist feature and cover board.Any set energy storing structure includes the rotating block being rotatably arranged in waist feature；One end is slidably attached on supporting element and the other end is fixed on the first connector on rotating block；One end is rotatably connected in waist feature and fixed the second connector on the cover board of the other end；And one end is rotatably connected on rotating block and the other end is rotatably arranged in the energy storage component on cover board.Energy storage component includes the hollow cylinder body with seal cavity, the extensible member being threaded through on hollow cylinder body one end, and is fixed on the piston that extensible member is located on the intracorporal one end of hollow cylinder, and energy storage component is respectively positioned on front side of thigh.The case where power assisting device avoids cover board and skids off outward, and power assisting device fails；And the second connecting-piece structure is simple, and material is light.

Description

A kind of power assisting device

Technical field

The utility model relates to the field of medical instrument technology, and in particular to a kind of power assisting device.

Background technique

Operative doctor, factory operators etc. keep the personnel of standing stoop labor for a long time, are susceptible to suffer from various lumbar vertebral diseases, are Later healthy living hides some dangers for, and seriously reduces their quality of life and working efficiency, therefore prevents accordingly and prevent Protection unit is very important, and does not have relevant product on domestic market.

In order to solve the technical problem, European patent WO2015041532 discloses a kind of wearable support construction, Including chest support, Lordosis support, thigh support part, top strut, lowermost strut, pivoting device and shoulder belt.Wherein, Chest support is connect with Lordosis support by top strut, Lordosis support and thigh support part by pivoting device and Lowermost strut connection；Pivoting device includes a compressed spring or gas spring, and top strut and lowermost strut can be around pivots Pivot axis in device；Shoulder belt is additionally provided between chest support and Lordosis support.

When the support construction of the structure is worn on human body, chest support, Lordosis support, thigh support part and shoulder Band corresponds respectively on front side of the chest, waist, thigh of human body and shoulder；When human body is bent over, top strut and lowermost strut are in human body Around pivot axis under the drive of trunk, spring is by compressed energy-storage, and spring and strut apply human body by chest support at this time Add the active force towards human body back, to mitigate the psoas muscle stress of human body, prevents lumbar muscle strain and various lumbar vertebral diseases It generates.

But above-mentioned support construction, pivoting device are positioned at the hip joint two sides of human body, thigh support part is to be fixed on The front side of thigh, pivoting device and thigh support part are linked together by two aduncate lowermost struts.Upper Portion's strut and lowermost strut are during pivot axis, the pivoting device energy storage, the tie point of lowermost strut and pivoting device Positioned at the two sides of human hip, this tie point and human thigh are to the position of the directed force F of thigh support part in level There is an offset on direction, due to the presence of this offset, directed force F produces the tie point of lowermost strut and pivoting device Raw one around the moment M z for the axis for being parallel to a pivotal axis and moment M y around vertical direction axis.Moment M z is used to real The energy storage of existing pivoting device, moment M y be then it is extra, this makes the structural strength for needing to reinforce lowermost strut cope with moment of flexure My, i.e., the weight and volume of increased lowermost strut increase manufacturing cost；Meanwhile moment M y can make lowermost strut volume occur Outer bending deformation, has thigh support part and skids off outward, be detached from the contact with thigh, leads to entire support construction failure Possibility.

Utility model content

Therefore, the technical problem to be solved by the present invention is to the higher cost of body support and easy failures.

For this purpose, the utility model provides a kind of power assisting device, including

Supporting element, suitable for being fitted in the chest of human body, inside offers sliding channel along the vertical direction；

Waist feature, suitable for being wound around the section of human body；

Two cover plates, suitable for being fitted in the front side of two thighs of human body respectively；

With the sliding channel at least two sets of energy storing structures correspondingly, will be located at respectively the ipsilateral supporting element, The waist feature and one piece of cover board connection；Energy storing structure described in any set includes being rotatably arranged in the waist Rotating block on component；The first connector that the supporting element is connect with the rotating block, the first connector are slideably set It sets in sliding channel；One end is rotatably connected in the waist feature and the other end is fixed on second on the cover board Connector；And one end is rotatably connected on the rotating block and the other end is rotatably arranged in the storage on the cover board It can component；

The energy storage component includes hollow cylinder body vertically arranged and with seal cavity, is threaded through the hollow cylinder body one Extensible member on end, and it is vertically fixed on the piston that the extensible member is located on the intracorporal one end of the hollow cylinder；The storage Energy component is respectively positioned on the position on front side of human thigh.

It is further preferred that above-mentioned power assisting device, the piston seal and it is slidably disposed on the hollow cylinder body Inner wall on, at least one through-hole is opened up on the piston, so that the hollow cylinder body is located at the cavity of the piston two sides Connection.

Preferably, above-mentioned power assisting device, one end that the extensible member is located at outside the hollow cylinder body are rotatably coupled On the rotating block, the hollow cylinder body is rotatably arranged on the cover board far from one end of the extensible member.

Preferably, above-mentioned power assisting device is passed through medium in the seal cavity, and makes to be formed in the seal cavity Positive pressure environment.

Preferably, above-mentioned power assisting device is fixed with the first pin shaft in the waist feature, and the rotating block is set in institute It states on the first pin shaft.

It is further preferred that above-mentioned power assisting device, setting is parallel to the of first pin shaft on the rotating block Two pin shafts are set on second pin shaft at the top of the extensible member.

It is further preferred that above-mentioned power assisting device, the rotating block includes driving section, is molded over the straight of the driving section The first fixed block on the big one end side wall of diameter；The small one end of the diameter of the driving section is equipped with second pin shaft, diameter Big one end is set on first pin shaft；

The bottom of first connector is plugged in the mounting hole of first fixed block and close to the waist feature.

Preferably, above-mentioned power assisting device is set on first pin shaft and is located at the top of second connector The outside of the rotating block.

It is further preferred that above-mentioned power assisting device, the second connector top is resisted against the outside of the rotating block On wall surface；

Mounting base is fixed on the cover board outer surface, the bottom of the hollow cylinder body is hinged in the mounting base；Institute It states the second connector to be fixed in the mounting base, and between the hollow cylinder body and the cover board.

Preferably, above-mentioned power assisting device, the waist feature include the arc panel for being respectively adapted to be fitted in human body two sides； And it is threaded through the first bandage that closed annular is surrounded on arc panel；

The arc panel, which is located on the end on front side of human body, has outwardly extending extension, and the first pin shaft setting exists On the extension.

Technical solution provided by the utility model, has the advantages that

1. power assisting device provided by the utility model, energy storage component includes hollow cylinder body, extensible member and piston, energy storage group Part is respectively positioned on the forward position of human thigh, and compared to human hip two sides are located at, the second connector only be will receive along its length The pulling force or pressure for spending direction, not will receive additional moment of flexure, reduce the intensity requirement of the second connector, keep its structure simple Single, material is light, reduces production cost；Meanwhile not additional moment of flexure also avoids the second connector and generates additional bending The case where deformation, causes cover board to skid off outward, is detached from the contact with thigh, and entire power assisting device fails.

2. power assisting device provided by the utility model, the first connector is slidably disposed on the sliding channel of supporting element It is interior, since energy storage component is respectively positioned on the front side of human thigh, lead to turn of the corresponding rotation axis of the first pin shaft and human hip Moving axis is not overlapped, and during human body is bent over, the first connector can be mobile towards the neck of human body, at this point, the first connector Top can slide and keep the length of the assembly of the first connector and supporting element to keep to neck direction in sliding channel It is constant, so that supporting element is fitted on the chest of human body with remaining stationary.

3. power assisting device provided by the utility model, energy storing structure further includes the first pin shaft, the second pin shaft and rotating block, Rotating block includes driving section and the first fixed block being molded on driving section.

When wearer bends over, the first connector follows human body to bend over and rotate around the first pin shaft, then drives rotating block Rotation, the small one end of driving section diameter drive extensible member to move into hollow cylinder body, and energy storage component realizes energy storage.

It by active force that energy storage component provides and the Relationship Change for angle of bending over is non-linear relation by rotating block, this makes Suitable active force can be provided to wearer to reduce waist stress by obtaining power assisting device, can be used, can effectively be protected for a long time The waist for the operator that shield needs to bend over for a long time.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the power assisting device structural schematic diagram provided in the utility model embodiment 1；

Fig. 2 is the energy storage component cross-sectional view of power assisting device in Fig. 1；

Fig. 3 is the energy storing structure explosive view of power assisting device in Fig. 1；

Fig. 4 is the mounting base explosive view of power assisting device in Fig. 1

Fig. 5 is the power assisting device structural schematic diagram provided in the utility model embodiment 2；

Fig. 6 is the partial sectional view of supporting element in the utility model embodiment 1；

Description of symbols:

1- supporting element；11- sliding channel；12- Supporting cover；13- sliding sleeve；

2- waist feature；21- arc panel；211- extension；The first bandage of 22-；23- Schoolbag fastener；

3- cover board；

4- energy storing structure；41- rotating block；The driving section 411-；The first fixed block of 412-；The first connector of 42-；422- first Bolt；The second connector of 43-；44- energy storage component；441- hollow cylinder body；442- extensible member；443- piston；444- sealing guiding Set；The first pin shaft of 45-；451- the first pin shaft lid；The second pin shaft of 46-；461- the second pin shaft lid；47- link block；471- link block Lid；

5- mounting base；The first fixing seat of 51-；The second fixing seat of 52-；53- third fixing seat；54- third pin shaft；55- Two fixed blocks；

The second bandage of 6-.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other Not constituting conflict can be combined with each other.

Embodiment 1

The present embodiment provides a kind of power assisting devices, as shown in Figure 1, including supporting element 1, waist feature 2,3, two sets of cover board storages It can structure 4, mounting base 5 and the second bandage 6.

Wherein, supporting element 1 is suitable for being fitted in the chest of wearer；Waist feature 2 is suitable for being wound around the section of human body； Two cover plates 3 then are suitable for being fitted in the front side of two thighs of human body respectively；Two sets of energy storing structures 4 will be located at ipsilateral branch respectively Support member 1, waist feature 2 and one piece of cover board 3 connect；

Any set energy storing structure 4 includes the rotating block 41 being rotatably arranged in waist feature 2；By supporting element 1 and turn The first connector 42 that motion block 41 connects；One end is rotatably connected in waist feature 2 and the other end is fixed on cover board 3 Second connector 43；And one end is rotatably connected on rotating block 41 and the other end is rotatably arranged on cover board 3 Energy storage component 44.

As shown in Fig. 2, energy storage component 44 includes hollow cylinder body 441, extensible member 442, piston 443 and seal guide sleeve 444, hollow cylinder body 441 has a seal cavity, and extensible member 442 is sealed and slideably worn by seal guide sleeve 444 On one end of hollow cylinder body 441, piston 443 is vertically formed on one end that extensible member 442 is located in hollow cylinder body 441, Piston 443 is also sealed and is slidably disposed on the inner wall of hollow cylinder body 441 simultaneously, opens up that there are two logical on piston 443 Hole, so that the seal cavity for being located at 443 two sides of piston is in the state of connection.Seal cavity, extensible member 442, piston 443 and Sealing guide part is adaptable cylindrical structure, meanwhile, energy storage component 44 is respectively positioned at the position on front side of human thigh.

Compared to the energy storage component 44 for being located at human hip two sides, the second connector 43 only be will receive along its length Pulling force or pressure, not will receive additional moment of flexure, reduce the requirement for intensity of the second connector 43, make the second connection The structure of part 43 is simple, and material is light, but also entire energy storage component 44 is more light, reduces production cost；Meanwhile without volume Outer moment of flexure also avoids the second connector 43 and generates additional bending deformation, causes cover board 3 to skid off outward, disengaging and thigh Contact, the case where entire power assisting device fails.

High-pressure medium is passed through in seal cavity, so that seal cavity forms positive pressure environment, such as high pressure nitrogen and oil Mixture, high pressure nitrogen is as elastic fluid, and oil plays the role of sealing lubrication.

The seal cavity of 443 two sides of piston is connection, so that the nitrogen pressure of 443 two sides of piston is identical, and piston 443 Only side is provided with extensible member 442, so nitrogen is just different to the effective active area of 443 both side surface of piston, according to F (pressure)=P (pressure) * S (effective active area), nitrogen to the active force for not having 442 that side of extensible member on piston 443 always It is greater than the active force that piston 443 is equipped with 442 that side of extensible member, finally, nitrogen keeps stretching one direction of the application of piston 443 The active force of 442 1 side direction of contracting part.

In the energy storage component 44 of this spline structure, the amount of force amplitude of variation that nitrogen applies piston 443 is smaller, piston 443 motion process is steady, so that wearer is in use without significantly impact sense, it is comfortable and safe.

As shown in Figure 1, waist feature 2 includes two pieces of arc panels 21, the first bandage 22, Schoolbag fastener 23 and elastic cushion.Its In, two pieces of arc panels 21 are respectively adapted to be fitted in the two sides of human body and are located at the inside of the first bandage 22, preferably strip metal plate Golden part；The both ends of every piece of arc panel 21 open up the through-hole passed through for the first bandage 22, and the first bandage 22 is threaded through two pieces of arc panels On 21 and surrounds the annular of closure and pass through Schoolbag fastener 23 between the both ends of the first bandage 22 suitable for being wound around the waist of human body It is detachably connected, and can be needed to adjust position according to wearer；Elastic cushion is arranged on the inner wall of the first bandage 22, such as First bandage 22 is located at the position of human body back or on the inner wall of arc panel 21, prevents the first bandage 22 and arc panel 21 direct and human contacts, play buffer function, improve the comfort level of wearer, elastic cushion preferably uses flexible knitting object system At.

As shown in figure 3, arc panel 21, which is located on the end on front side of human thigh, has outwardly extending extension 211, prolong Through-hole is offered in extending portion 211.

As shown in figure 3, energy storing structure 4 not only includes rotating block 41, the first connector 42, the second connector 43 and energy storage Component 44 further includes the first pin shaft 45, the second pin shaft 46 and link block 47；

Wherein, rotating block 41 includes driving section 411 and the first fixed block 412.One end that driving section 411 has diameter big Small one end with diameter, the first fixed block 412 are molded on the side wall of the big one end of 411 diameter of driving section.

First pin shaft 45 extends through the through-hole in portion 211 and is fixed on arc panel 21,411 diameter of driving section it is big one It is sequentially sleeved on the first pin shaft 45 at the top of end and link block 47.The big one end of 411 diameter of driving section is straight close to arc panel 21 The small one end of diameter is far from arc panel 21；Link block 47 is located at the outside of rotating block 41 and is resisted against the outer side surface of rotating block 41 On.It is also equipped with the first pin shaft lid 451 in the outside of link block 47, is finally rotatably coupled rotating block 41 and link block 47 On arc panel 21.

The small one end of 411 diameter of driving section is equipped with second pin shaft 46 parallel with the first pin shaft 45, the top of extensible member 442 Portion is set on the second pin shaft 46, is also equipped with the second pin shaft lid 461 in the outside of extensible member 442, finally can by extensible member 442 It is rotationally connected on rotating block 41.

The bottom of first connector 42 is plugged in the mounting hole of the first fixed block 412 and is fixed by glue, in this way, first Connector 42 and extensible member 442 are located at the two sides of driving section 411.

The bottom of link block 47 is equipped with link block lid 471 engaged therewith, and 47 bottom of link block is interior with link block lid 471 Side all offers semicircular hole, and two semicircular holes cooperatively form an installation through-hole for the insertion of the second connector 43, A boss is also formed in the semi-circular hole of 47 bottom of link block, while also being opened up in the outside wall surface at 43 top of the second connector The top of second connector 43 is put into the semi-circular hole of 47 bottom of link block by the groove matched with this boss, and will Boss and groove are mutually aligned, and are finally fixed on link block lid 471 on link block 47 by fastener, eventually by link block 47 are rotatably connected to the second connector 43 in waist feature 2.

It by the Relationship Change of active force that energy storage component 44 provides and angle of bending over is non-linear relation by rotating block 41, This allows power assisting device to provide suitable active force to wearer to reduce waist stress, can use for a long time, can The waist for the operator that effective protection needs to bend over for a long time.

As shown in figure 4, the inside of rectangular cover board 3 is in the curved surfaces suitable for human thigh's lateral profile, wearer exists Bend over etc. various movements when, cover board 3 can be also firmly secured on the thigh of human body, will not be slipped, be conducive to power Transmitting, while comfort level is also higher.

Mounting base 5 includes the first fixing seat 51, the second fixing seat 52, third fixing seat 53 and third pin shaft 54.Wherein First fixing seat 51 is molded at the center of 3 outer surface of cover board；Second fixing seat 52 and the opposite side of third fixing seat 53 Semi-circular hole is offered respectively, and two semi-circular holes is made to match to be formed for the second connection after fixing the two by fastener The installation through-hole that part 43 passes through；Second connector 43 of bottom end insertion installation through-hole is fixed by fastener.

Second fixing seat 52 is arranged in the first fixing seat 51, by fastener by the first fixing seat 51, the second fixing seat 52 and third fixing seat 53 be fixed together, finally 43 bottom of the second connector is fixed on cover board 3.

The second fixed block 55 is formed on the outer side surface of third fixing seat 53, the bottom of hollow cylinder body 441 passes through third Pin shaft 54 is rotatably connected on the second fixed block 55, and the bottom of hollow cylinder body 441 is finally rotatably arranged in cover board 3 On.

As shown in fig. 6, the left and right sides of supporting element 1 is additionally provided with Supporting cover 12, Supporting cover 12 is fixed respectively by fastener On supporting element 1, supporting element 1 and the opposed facing side of Supporting cover 12 form symmetrical semi-cylindrical recesses, and two and half Cylinder shape groove collectively forms sliding channel 11；It is fixed with sliding sleeve 13 in the bottom of sliding channel 11, the first connector 42 can be slided It is threaded through in sliding sleeve 13 dynamicly.

It is after the top of the first connector 42 passes through sliding sleeve 13 and reaches 13 outside of sliding sleeve, the first bolt 422 is fixed In through-hole at the top of it, the bolt head of the first bolt 422 is resisted against on the end face at 13 top of sliding sleeve, can by the first connector 42 It is slidably mounted on supporting element 1.

Since energy storage component 44 is respectively positioned on the front side of human thigh, lead to the corresponding rotation axis of the first pin shaft 45 and human body hip The rotation axis in joint is not overlapped, and during human body is bent over, the neck of the meeting of the first connector 42 towards human body is mobile, at this point, The top of first connector 42 can be slided to neck direction in sliding channel 11 and keep the first connector 42 and supporting element 1 The length of assembly remains unchanged, so that supporting element 1 is fitted on the chest of human body with remaining stationary.

The inside of supporting element 1 is equipped with elastic cushion, and elastic cushion is preferably that flexible knitting object is made, and prevents supporting element 1 and human body It directly contacts, plays buffer function, improve the comfort level of wearer.

As shown in Figure 1, being additionally provided with the second bandage 6 between supporting element 1 and waist feature 2, the upper end of the second bandage 6 is divided into two The small bandage of item is fitted in respectively on two shoulders of human body；The lower end of second bandage 6 is also divided into two small bandages, is separately connected On the arc panel 21 for being located at human body two sides.Second bandage 6 can guarantee that supporting element 1 is closely adhered to the chest of wearer.

In specifically used, wearer fixes supporting element 1, waist feature 2, two cover plates 3 and the second bandage 6 respectively On the chest of human body, waist, the front side of two thighs and two shoulders, when wearer enters working condition and bends over, branch Support member 1 and the first connector 42 follow human motion, drive the rotating block 41 on the first connector 42 to move, rotating block 41 uploads The big one end of dynamic 411 diameter of portion is rotated around the first pin shaft 45, and the small one end of 411 diameter of driving section just drive extensible member 442 to Movement, 44 energy storage of energy storage component in hollow cylinder body 441.

When human body keeps bending over for a long time, energy storage component 44 generates an active force towards back to trunk, can The gravity of trunk is balanced out with all or part of, to mitigate psoas muscle stress when human body is bent over；When human body frequently bend over directly Immediately, the gravitional force of energy storage component 44 stores elastic potential energy and trunk is mutually converted, and elastic potential energy is converted into human body Restore the required gravitional force overcome when upright state, to mitigate the psoas muscle stress of human body, finally prevents lumbar muscle strain and each The generation of kind lumbar vertebral disease.

The power assisting device will pass through supporting element 1, waist feature 2, cover board 3, first by the load that lumbodorsal muscle is born originally Connector 42 and the second connector 43 are efficiently transferred on front side of the thigh of human body, so that thigh has shared lumbodorsal muscle Burden, avoid the generation of lumbar muscle strain and various lumbar vertebral diseases.

Embodiment 2

The present embodiment provides a kind of power assisting devices, compared with the structure of the power assisting device provided in embodiment 1, such as Fig. 6 Shown, existing difference is only that, is not provided with the second bandage 6, and supporting element 1 is two cyclic structures for being set in arm upper end, The upper end of cyclic structure rides on shoulder, and the first connector 42 is connect with each cyclic structure respectively.

Embodiment 3

The present embodiment provides the knots for the power assisting device that any embodiment in a kind of power assisting device, with embodiment 1-2 provides Structure is compared, and existing difference is only that the top of the second connector 43 can be resisted against in the interior sidewall surface of rotating block 41；

As further interchangeable embodiment, the top of the second connector 43 can be with rotating block 41 at a distance of certain Distance, specific distance determine according to actual needs；Further, the bottom of hollow cylinder body 441 can be directly hinged on cover board 3.

Embodiment 4

The present embodiment provides the knots for the power assisting device that any embodiment in a kind of power assisting device, with embodiment 1-3 provides Structure is compared, and existing difference is only that, extensible member 442 can be located at one end outside hollow cylinder body 441 and is rotatably arranged in On cover board 3, hollow cylinder body 441 is rotatably connected on rotating block 41 far from one end of extensible member 442.

Embodiment 5

The present embodiment provides the knots for the power assisting device that any embodiment in a kind of power assisting device, with embodiment 1-4 provides Structure is compared, and existing difference is only that, the quantity of energy storing structure 4 can be three sets, four sets etc., and particular number is set as needed It is fixed.

Embodiment 6

The present embodiment provides the knots for the power assisting device that any embodiment in a kind of power assisting device, with embodiment 1-5 provides Structure is compared, and existing difference is only that, the number of openings opened up on piston 443 can be the quantity such as one, three；Further Ground can not also open up through-hole on piston 443.

Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes among still in the protection scope of the utility model.

Claims (10)

1. a kind of power assisting device, including

Supporting element (1), suitable for being fitted in the chest of human body, inside offers sliding channel (11) along the vertical direction；

Waist feature (2), suitable for being wound around the section of human body；

Two cover plates (3), suitable for being fitted in the front side of two thighs of human body respectively；

With the one-to-one at least two sets of energy storing structures (4) of the sliding channel (11), the ipsilateral support will be located at respectively Part (1), the waist feature (2) and one piece of cover board (3) connection；Energy storing structure described in any set (4) includes that can be rotated The rotating block (41) that ground is arranged on the waist feature (2)；That the supporting element (1) is connect with the rotating block (41) A connection piece (42), the first connector (42) are slidably disposed in sliding channel (11)；One end is rotatably connected to institute It states on waist feature (2) and the other end is fixed on the second connector (43) on the cover board (3)；And one end rotationally connects It connects on the rotating block (41) and the other end is rotatably arranged in the energy storage component (44) on the cover board (3)；

The energy storage component (44) includes hollow cylinder body (441) vertically arranged and with seal cavity, is threaded through described hollow Extensible member (442) on cylinder body (441) one end, and be vertically fixed on the extensible member (442) and be located at the hollow cylinder body (441) piston (443) on one end in；The energy storage component (44) is respectively positioned on the position on front side of human thigh.

2. power assisting device according to claim 1, which is characterized in that the piston (443) seals and is mounted slidably On the inner wall of the hollow cylinder body (441), at least one through-hole is opened up on the piston (443), so that the hollow cylinder Body (441) is located at the cavity connection of the piston (443) two sides.

3. power assisting device according to claim 1, which is characterized in that the extensible member (442) is located at the hollow cylinder body (441) one end outside is rotatably connected on the rotating block (41), and the hollow cylinder body (441) is far from the extensible member (442) one end is rotatably arranged on the cover board (3).

4. power assisting device according to claim 1-3, which is characterized in that it is passed through medium in the seal cavity, And make to form positive pressure environment in the seal cavity.

5. power assisting device according to claim 1-3, which is characterized in that be fixed on the waist feature (2) First pin shaft (45), the rotating block (41) are set on first pin shaft (45).

6. power assisting device according to claim 5, which is characterized in that setting is parallel to described on the rotating block (41) The second pin shaft (46) of first pin shaft (45) is set on second pin shaft (46) at the top of the extensible member (442).

7. power assisting device according to claim 6, which is characterized in that the rotating block (41) includes driving section (411), at First fixed block (412) of the type on the big one end side wall of the diameter of the driving section (411)；The driving section (411) it is straight The small one end of diameter is equipped with second pin shaft (46), and the big one end of diameter is set on first pin shaft (45)；

The bottom of first connector (42) is plugged in the mounting hole of first fixed block (412) and close to the waist Component (2).

8. power assisting device according to claim 5, which is characterized in that be set in institute at the top of second connector (43) State on the first pin shaft (45) and be located at the outside of the rotating block (41).

9. power assisting device according to claim 8, which is characterized in that be resisted against at the top of second connector (43) described On the outer side surface of rotating block (41)；

It is fixed with mounting base (5) on cover board (3) outer surface, the bottom of the hollow cylinder body (441) is hinged on the installation On seat (5)；Second connector (43) is fixed on the mounting base (5), and be located at the hollow cylinder body (441) with it is described Between cover board (3).

10. power assisting device according to claim 5, which is characterized in that the waist feature (2) includes being respectively adapted to be bonded Arc panel (21) in human body two sides；And it is threaded through the first bandage (22) that closed annular is surrounded on arc panel (21)；

The arc panel (21), which is located on the end on front side of human body, has outwardly extending extension (211), first pin shaft (45) it is arranged on the extension (211).