CN108324448A - A kind of adaptive leg means and seat - Google Patents

Abstract

The invention discloses a kind of adaptive leg means, including footstep mechanism and support arm, the footstep mechanism is set between two support arms, the support arm includes fixed arm and lever arm, the fixed arm is connect with seat body, the footstep mechanism is fixed in described lever arm one end, the other end by can the relatively described fixed arm it is up and down in a manner of be flexibly connected with the fixed arm.The present invention can buffer the active force that epileptic patient applies seat by the up and down adjustment of fixed arm and lever arm, prevent patient from being thrown from seat.

Description

A kind of adaptive leg means and seat

Technical field

The present invention relates to the technical field of the seat more particularly to a kind of adaptive leg means and seat.

Background technology

Epilepsy（epilepsy）" epilepsy " or " epilepsy " being commonly called as is the electric discharge of cerebral neuron paroxysmal abnormality, Lead to a kind of chronic disease of of short duration cerebral disorder.Shown according to Chinese cri dernier cri disease data, domestic epilepsy it is total Body illness rate is 7.0 ‰, and annual morbidity is that have the activity epilepsy illness rate of breaking-out in 28.8/ 10 ten thousand, 1 year be 4.6 ‰.According to There are about 9,000,000 or so epileptics for this estimation China, wherein 500~6,000,000 be movable Patients with Epilepsy, and meanwhile it is annual newly-increased Add epileptic about 400,000, has become the second largest common disease that neurology department is only second to headache in Chinese epilepsy.

Epileptic fall ill when, complicated clinical manifestation is various, including inattentive, myoclonia, tetanic, clonic spasm, tonic-clonic, The performances such as atonic seizure, common seat do not have safety measure, patient to be easy to fall on the ground from seat, be brought not to patient Necessary actual bodily harm, while making troubles to the rescue work of doctor.

The Chinese patent of Patent No. CN201220123959.0 discloses a kind of neurological examination chair, including chair Leg, seat and the chair back, wherein the thigh support board for being symmetrically arranged at the front end with two L-types of seat, the interposition of thigh support board It installs and is equipped with leg fixation band, one end of leg fixation band is bolted on the outside of thigh support board, and band is fixed in leg The other end be provided with mounting hole, the hook being used cooperatively with mounting hole is provided on the inside of thigh support board.

The Chinese patent of Patent No. CN201220123959.0 discloses a kind of epileptic's special-purpose multifunctional wheelchair, Including wheelchair frame, seat mechanism, the mechanism that lies low, traveling mechanism and leg mechanism is dragged, wheelchair frame includes holder, the rear side of holder It is fixedly connected with bend pipe, the mechanism that lies low is provided on bend pipe, the mechanism that lies low includes fixed seat, and fixed seat fixes welding bend pipe, fixed The first rotating shaft base is fixedly mounted in the top of seat, and the first rotating shaft base is hinged with backrest pipe, and backrest pipe is fixedly connected with backrest, It is hinged on rear side of backrest on supporting rod backrest pipe and is fixedly connected with drawstring item, drawstring item is fixedly connected with bolt, is arranged on holder There is the pin hole to match with bolt.

When above-mentioned patent fixes band to ensure epileptic's breaking-out by setting, it will not be thrown from seat, but this Sample is arranged for the patient, has constraint sense, and for the patient of generalized seizure, seat can rock very serious.

In view of this, the present inventor studies and devises a kind of adaptive leg means, thus this case generates.

Invention content

The purpose of the present invention is to provide a kind of adaptive leg means.

To achieve the goals above, the technical scheme adopted by the invention to solve the technical problem is that：

A kind of adaptive leg means, including footstep mechanism and support arm, the footstep mechanism are set between two support arms, The support arm includes fixed arm and lever arm, and the fixed arm is connect with seat body, and institute is fixed in described lever arm one end State footstep mechanism, the other end by can the relatively described fixed arm it is up and down in a manner of be flexibly connected with the fixed arm.

As the preferred embodiment of embodiment, the fixed arm can be arranged in the outside of the lever arm in a manner of fitting, The support arm further includes spring base and spring, and the spring base is fixed on the fixed arm inner cavity and is set to the lever arm Top, the accommodating cavity for housing the spring is equipped at the top of the lever arm, the spring one end is fixed on described accommodating Bottom of chamber end, the spring other end are fixed on the spring base.

As the preferred embodiment of embodiment, the fixed arm is equipped with lock-bit slot, and the spring base is locked in by bolt On the lock-bit slot.

As the preferred embodiment of embodiment, the lock-bit slot is elongated so that the spring base can be in the lock-bit slot Any position be bolted.

As the preferred embodiment of embodiment, the support arm further includes guide post, and the fixation is fixed on the guide post top Arm inner top, the guide post bottom end are free end, and the spring base is located in across the free end on the guide post.

As the preferred embodiment of embodiment, the footstep mechanism by can be set in a manner of front and back rotation two support arms it Between.

As the preferred embodiment of embodiment, the footstep mechanism includes fixing axle, foot pedal, angle limit block and limit spiral shell Bolt, the both ends of the fixing axle are respectively arranged on the bottom end of two support arms, and the foot pedal is set to the top of the fixing axle, The foot pedal bottom surface is fixed in angle limit block one end, the other end in a manner of mobilizable obvolvent in the fixing axle On, the angle limit block is equipped with limiting slot close to one end of the fixing axle, and the caging bolt is fixed on the fixing axle Above and in the limiting slot, pass through the cooperation of the limiting slot and the caging bolt so that the foot pedal can be around institute State fixing axle front and back rotation within the scope of predetermined angle.

As the preferred embodiment of embodiment, the footstep mechanism further includes being set between the foot pedal and the fixing axle Leaf spring, the leaf spring bottom end is fixed in the fixing axle, and both sides are contacted with the bottom surface of the foot pedal at the top of the leaf spring, On the one hand so that the foot pedal can buffer the active force being applied on the foot pedal in front and back rotation, on the other hand make The foot-operated sheet reset.

As the preferred embodiment of embodiment, the fixing axle is rounded, and the angle limit block includes fixed part and rotation Portion, the fixed part are fixed on the foot pedal bottom surface, and the rotation section is described in a ring and set on the outside of the fixing axle Limiting slot is set on the rotation section, and the limiting slot is arc-shaped.

As the preferred embodiment of embodiment, both sides further respectively have groove at the top of the lever arm, and the support arm also wraps Unit of plastic is included, two unit of plastics are respectively arranged in the groove, and the thickness of the unit of plastic is slightly larger than the depth of the groove Degree so that the unit of plastic slightly protrudes from the lever arm, can avoid the lever arm directly rubbing between the fixed arm It wipes.

As the preferred embodiment of embodiment, the support arm further includes plastic sheath, and the plastic sheath is embedded in the fixation The open end of arm prevents the friction between the fixed arm and the lever arm, and makes movement more smooth.

Further include leg means further include installing arm and swing arm, the installing arm installation as the preferred embodiment of embodiment In seat body, the fixed arm top is connected to by first rotating shaft in the installing arm, the swing arm include epimere and Hypomere, the epimere are connected to by the second shaft in the installing arm, and the hypomere is connected to described solid by third shaft The bottom end of fixed arm, the epimere and the hypomere by it is scalable it is fixed in a manner of connect so that before footrest mechanism can be positioned on On the swinging track of rear direction.

As the preferred embodiment of embodiment, the swing arm further includes positioning bolt, and the epimere is equipped with screw hole, the positioning Bolt is set in the screw hole, so that the surface that the positioning bolt is pressed on the hypomere carries out the epimere and the hypomere Between positioning.

As the preferred embodiment of embodiment, the leg means further include leg auxiliary mat, the two leg auxiliary mats point It is not fixed on two fixed arms, is used for Auxiliary support medial leg.

As the preferred embodiment of embodiment, the swing arm epimere is equipped with sponge wrapping part, for buffering outside thigh or shank The impact force of side and leg means.

A kind of self-adapting seat, including leg means as described above and seat body, the leg means are mounted on institute It states in seat body.

Since present invention employs above-mentioned technical solutions so that the invention has the advantages that：Work as epileptic patient Or when other patient's breaking-outs with the performances such as myoclonia, tetanic, clonic spasm, tonic-clonic, atonic seizure, pass through fixation The up and down adjustment of arm and lever arm can buffer the active force that patient applies seat, prevent patient from being thrown from seat.

Description of the drawings

Fig. 1 is the structural diagram of the present invention；

Fig. 2 is the decomposition texture schematic diagram of the present invention；

Fig. 3 is another structural schematic diagram of the present invention；

Fig. 4 is the lever arm of the present invention and its structural schematic diagram of connection component.

Attached drawing identifies:

Footstep mechanism 1, fixing axle 11, foot pedal 12, angle limit block 13, limiting slot 131, fixed part 132, rotation section 133, limit Position bolt 14, leaf spring 15；Support arm 2, fixed arm 21, lock-bit slot 211, lever arm 22, accommodating cavity 221, groove 222, spring base 23, spring 24, guide post 25, free end 251, unit of plastic 26, plastic sheath 27；Installing arm 3, first rotating shaft 31, the second shaft 32；Pendulum Arm 4, epimere 41, hypomere 42, third shaft 43, positioning bolt 44；Leg auxiliary mat 5；Sponge wrapping part 6.

Specific implementation mode

Embodiment 1

As shown in Figures 1 to 4, described present invention is disclosed a kind of adaptive leg means, including footstep mechanism 1 and support arm 2 Footstep mechanism 1 is set between two support arms 2, and the support arm 2 includes fixed arm 21 and lever arm 22, the fixed arm 21 It is connect with seat body, the footstep mechanism 1 is fixed in 22 one end of the lever arm, and the other end is with can the fixed arm 21 relatively Up and down mode is flexibly connected with the fixed arm 21.Preferably, the fixed arm 21 in a manner of fitting can be arranged The outside of the lever arm 22, the support arm 2 further include spring base 23 and spring 24, and the spring base 23 is fixed on described solid Top on 21 inner cavity of fixed arm and set on the lever arm 22,22 top of the lever arm are equipped with the appearance for housing the spring Chamber 221 is set, 24 one end of the spring is fixed on the spring fixed hole of 221 bottom end of the accommodating cavity, 24 other end of the spring It is fixed on the spring base 23 by axis pin.

As the preferred embodiment of embodiment, the fixed arm 21 is equipped with lock-bit slot 211, and the spring base 23 passes through bolt It is locked on the lock-bit slot 211.The lock-bit slot 211 is elongated so that the spring base 23 can be in the lock-bit slot 211 Any position be bolted, and then adjust the lever arm the fixed part internal motion maximum distance.

As the preferred embodiment of embodiment, the support arm 2 further includes guide post 25, and 25 top of the guide post is fixed on described 21 inner top of fixed arm, 25 bottom end of the guide post are free end 251, and the spring base 23 is located in across the free end 251 On the guide post 25.The guide post provides support for the spring base, is conducive to the stability for improving spring base.Certainly, described Guide post free end can also be threaded through the both sides of lever arm after spring base, to improve stabilization when lever arm moves up and down Property.

As the preferred embodiment of embodiment, the footstep mechanism 1 in a manner of front and back rotation can be set to two support arms 2 Between.Preferably, the footstep mechanism 1 includes fixing axle 11, foot pedal 12, angle limit block 13 and caging bolt 14, described The both ends of fixing axle 11 are respectively arranged on the bottom end of two support arms 2, and the foot pedal 12 is set to the top of the fixing axle 11, 12 bottom surface of the foot pedal is fixed in described 13 one end of angle limit block, the other end in a manner of mobilizable obvolvent in the fixation On axis 11, the angle limit block 13 is equipped with limiting slot 131 close to one end of the fixing axle 11, and the caging bolt 14 is fixed In in the fixing axle 11 and in the limiting slot 131, pass through matching for the limiting slot 131 and the caging bolt 14 It closes so that the foot pedal 12 can the front and back rotation within the scope of predetermined angle around the fixing axle 11.

As the preferred embodiment of embodiment, the footstep mechanism 1 further includes being set to the foot pedal 12 and the fixing axle Leaf spring 15 between 11,15 bottom end of the leaf spring are fixed in the fixing axle 11,15 top both sides of the leaf spring and the foot The bottom surface of pedal 12 contacts, on the one hand so that the foot pedal 12 can be buffered in front and back rotation and is applied on the foot pedal 12 Active force, on the other hand so that the foot pedal 12 reset.

As the preferred embodiment of embodiment, the fixing axle 11 is rounded, and the angle limit block 13 includes fixed part 132 And rotation section 133, the fixed part 132 are fixed on 12 bottom surface of the foot pedal, the rotation section 133 is in a ring and set on described The outside of fixing axle 11, the limiting slot 131 are set on the rotation section 133, and the limiting slot 131 is arc-shaped.

As the preferred embodiment of embodiment, 22 top both sides of the lever arm further respectively have groove 222, the support arm 22 further include unit of plastic 26, and two unit of plastics 26 are respectively arranged in the groove 222, and the thickness of the unit of plastic 26 is bigger In the depth of the groove 222 so that the unit of plastic 26 slightly protrudes from the lever arm 22, and it is straight to can avoid the lever arm 22 Connect the friction between the fixed arm 21.

As the preferred embodiment of embodiment, the support arm 22 further includes plastic sheath 27, and the plastic sheath 27 is embedded in institute The open end for stating fixed arm 21 prevents the friction between the fixed arm 21 and the lever arm 22, and makes movement more smooth.

Further include leg means further include installing arm 3 and swing arm 4 as the preferred embodiment of embodiment, the installing arm 3 is pacified In seat body, 21 top of the fixed arm is connected to by first rotating shaft 31 in the installing arm 3, and the swing arm 4 is wrapped Epimere 41 and hypomere 42 are included, the epimere 41 is connected to by the second shaft 32 in the installing arm 3, and the hypomere 42 passes through Three shafts 43 be connected to the bottom end of the fixed arm 21, the epimere 41 and the hypomere 42 by it is scalable it is fixed in a manner of connect It connects so that footrest mechanism can be positioned on swinging track in the front-back direction.

As the preferred embodiment of embodiment, the swing arm 4 further includes positioning bolt 44, and the epimere is equipped with screw hole, described Positioning bolt 44 is set in the screw hole so that the positioning bolt 44 be pressed on the hypomere surface carry out the epimere and Positioning between the hypomere.When leg means need to swing forward or backward, positioning bolt is unclamped, epimere and hypomere are stretched Contracting when stretching or swinging to required position, then screws the positioning that positioning bolt completes epimere and hypomere.

As the preferred embodiment of embodiment, the leg means further include leg auxiliary mat 5, the two leg auxiliary mats 5 It is individually fixed on two fixed arms 21, is used for Auxiliary support medial leg.The swing arm epimere is equipped with sponge wrapping part 6, Impact force for buffering thigh or small leg outer side and leg means.

Embodiment 2

A kind of self-adapting seat, including leg means as described above and seat body, the leg means are mounted on the seat On chair ontology.

When specifically used structure of the invention, patient is sitting in seat body, and leg is placed on leg means, works as epileptics When people or other patients with the performances such as myoclonia, tetanic, clonic spasm, tonic-clonic, atonic seizure break out, on the one hand The active force that patient applies seat can be buffered by the up and down adjustment of fixed arm and lever arm, prevents patient from being fallen from seat Get off, another aspect foot pedal due to can front and back rotation, alleviate reaction force of the foot pedal to sole to a certain extent, Further increase the adaptivity of leg means.

The above, only present pre-ferred embodiments, therefore cannot limit the scope of implementation of the present invention according to this, i.e., according to Equivalent changes and modifications made by the scope of the claims of the present invention and description all should still belong in the range of the present invention covers.

Claims (16)

1. a kind of adaptive leg means, including footstep mechanism and support arm, the footstep mechanism be set to two support arms it Between, it is characterised in that：The support arm includes fixed arm and lever arm, and the fixed arm is connect with seat body, the activity The footstep mechanism is fixed in arm one end, the other end by can the relatively described fixed arm it is up and down in a manner of it is soft with the fixed arm Property connection.

2. a kind of adaptive leg means as described in claim 1, it is characterised in that：The fixed arm is by can be in a manner of fitting It is arranged in the outside of the lever arm, the support arm further includes spring base and spring, and the spring base is fixed on the fixation Top on arm inner cavity and set on the lever arm, the lever arm top are equipped with the accommodating cavity for housing the spring, institute It states spring one end and is fixed on the accommodating cavity bottom end, the other end is fixed on the spring base.

3. a kind of adaptive leg means as claimed in claim 2, it is characterised in that：The fixed arm is equipped with lock-bit slot, The spring base is locked in by bolt on the lock-bit slot.

4. a kind of adaptive leg means as claimed in claim 3, it is characterised in that：The lock-bit slot is elongated so that The spring base can be bolted in any position of the lock-bit slot.

5. a kind of adaptive leg means as claimed in claim 2, it is characterised in that：The support arm further includes guide post, institute It states guide post top and is fixed on the fixed arm inner top, the guide post bottom end is free end, and the spring base passes through the freedom End is located on the guide post.

6. a kind of adaptive leg means as described in claim 1, it is characterised in that：The footstep mechanism is front and back can rotate Mode be set to two support arms between.

7. a kind of adaptive leg means as claimed in claim 6, it is characterised in that：The footstep mechanism include fixing axle, Foot pedal, angle limit block and caging bolt, the both ends of the fixing axle are respectively arranged on the bottom end of two support arms, the foot Pedal is set to the top of the fixing axle, and the foot pedal bottom surface is fixed in angle limit block one end, and the other end is can live In in the fixing axle, the angle limit block is equipped with limiting slot close to one end of the fixing axle, described for dynamic mode obvolvent Caging bolt is fixed in the fixing axle and in the limiting slot, passes through matching for the limiting slot and the caging bolt It closes so that the foot pedal can the front and back rotation within the scope of predetermined angle around the fixing axle.

8. a kind of adaptive leg means as claimed in claim 7, it is characterised in that：The footstep mechanism further includes being set to institute The leaf spring between foot pedal and the fixing axle is stated, the leaf spring bottom end is fixed in the fixing axle, two at the top of the leaf spring Side is contacted with the bottom surface of the foot pedal, on the one hand so that the foot pedal can be buffered in front and back rotation is applied to described ride Active force on plate, on the other hand so that the foot-operated sheet reset.

9. a kind of adaptive leg means as claimed in claim 7, it is characterised in that：The fixing axle is rounded, the angle Degree limited block includes fixed part and rotation section, and the fixed part is fixed on the foot pedal bottom surface, the rotation section in a ring and Set on the outside of the fixing axle, the limiting slot is set on the rotation section, and the limiting slot is arc-shaped.

10. a kind of adaptive leg means as described in claim 1, it is characterised in that：Both sides are also divided at the top of the lever arm Not She You groove, the support arm further includes unit of plastic, and two unit of plastics are respectively arranged in the groove, and the unit of plastic Thickness be slightly larger than the groove depth so that the unit of plastic slightly protrudes from the lever arm, can avoid the lever arm Friction directly between the fixed arm.

11. a kind of adaptive leg means as described in claim 1, it is characterised in that：The support arm further includes plastic sheath, The plastic sheath is embedded in the open end of the fixed arm, prevents the friction between the fixed arm and the lever arm, and make It must move more smooth.

12. a kind of adaptive leg means as described in claim 1, it is characterised in that：Further include leg means further include peace Arm and swing arm are filled, the installing arm is mounted in seat body, and the fixed arm top is connected to the installing arm by shaft On, the swing arm includes epimere and hypomere, and the epimere is connected to by shaft in the installing arm, and the hypomere passes through shaft Be connected to the bottom end of the fixed arm, the epimere and the hypomere by it is scalable it is fixed in a manner of connect so that foot-operated trigger Structure can be positioned on swinging track in the front-back direction.

13. a kind of adaptive leg means as claimed in claim 12, it is characterised in that：The swing arm further includes positioning spiral shell Bolt, the epimere are equipped with screw hole, and the positioning bolt is set in the screw hole, so that the positioning bolt is pressed on the hypomere Surface carry out the positioning between the epimere and the hypomere.

14. a kind of adaptive leg means as claimed in claim 13, it is characterised in that：The leg means further include leg Auxiliary mat, the two leg auxiliary mats are individually fixed on two fixed arms, are used for Auxiliary support medial leg.

15. a kind of adaptive leg means as claimed in claim 13, it is characterised in that：The swing arm epimere is equipped with sponge packet Part is wrapped up in, the impact force for buffering thigh or small leg outer side and leg means.

16. a kind of self-adapting seat, it is characterised in that；Include the leg means and seat sheet as described in claim 1-15 is any Body, the leg means are mounted in the seat body.