CN109464268A - Walking assisting device for medical instrument - Google Patents

Abstract

The invention discloses a kind of walking assisting devices for medical instrument; including for assisting the walk helper and multiple air cushions for being protected when patient will fall down to patient of people's walking; it further include the auxiliary protection mechanism for controlling release and the fixation of air cushion, the auxiliary protection mechanism includes the drive rod for driving air cushion to start to protect and the fixed case for being limited to drive rod；Pass through the setting of above-mentioned auxiliary protection mechanism; so that walk helper is when toppling over; patient can be effectively protected, avoid patient's secondary injury, play the role of auxiliary protection; it ensure that the health of patient; and the setting of drive rod and fixed case allows the moment toppled over to open air cushion in order to effectively be driven to auxiliary protection mechanism; play the role of buffering when patient falls down, effectively avoids the secondary injury of patient.

Description

Walking assisting device for medical instrument

Technical field

The invention belongs to the field of medical instrument technology, more particularly, to a kind of walking assisting device for medical instrument.

Background technique

Currently known rehabilitation is walked instrument, simple such as crutches, is suitable for that physical strength is strong and lower limb the disabled, and wheelchair is suitable In lower limb paralysis or high amputation constitution weak person, and structure is more complicated, such as setting stick row wheel, seat, handrail, pedal, vehicle frame, A kind of walk helper is disclosed in the open file that presently disclosed number is CN202355549U, the walk-assisting device structure is simple, user Just, the new function of walk helper is imparted, is more suitable the use of rehabilitation patient；But in patient's use process, if walk help Device is hindered and swaying style occurs, and patient extends recovery due to that secondary injury therefore can occur in convalescence at this time Time limit, outpatients mental state and health physiologically can be seriously endangered.

Summary of the invention

For overcome the deficiencies in the prior art, provide one kind can effectively avoid patient's generation two when walk helper is toppled over to the present invention The walking assisting device for medical instrument of secondary injury.

To achieve the goals above, the invention adopts the following technical scheme: a kind of walking assisting device for medical instrument, Including also wrapping for assisting the walk helper and multiple air cushions for being protected when patient will fall down to patient of people's walking The auxiliary protection mechanism of the release and fixation for controlling air cushion is included, the auxiliary protection mechanism includes for driving air cushion to start The drive rod of protection and fixed case for being limited to drive rod；By the setting of above-mentioned auxiliary protection mechanism, so that helping Row device can be effectively protected patient when toppling over, and avoid patient's secondary injury, play auxiliary protection Effect, ensure that the health of patient, and the setting of drive rod and fixed case, effective in order to carry out to auxiliary protection mechanism Driving, allows the moment toppled over to open air cushion, plays the role of buffering when patient falls down, effectively avoid patient's Secondary injury.

Further, the auxiliary protection mechanism includes control device for controlling fixation and the release of air cushion, is used for Drive dynamic control device realization passes to drive to the driving device of fixation and release of air cushion and the power for generating drive rod The transmission device of dynamic device；By the setting of above structure so that fixed effect may be implemented in air cushion, in order to air cushion into Row preferably control, opens air cushion directly by the variation of drive rod, in order to timely be protected to patient, Air cushion is improved to the protection instantaneity of patient, ensure that the safety of patient, very securely and reliably.

Further, the control device include fixed link for air cushion to be fixed in fixed case, be used to control it is solid Air cushion is fixed in fixed pole the first elastic component and for cooperating the fixed block that air cushion is fixed with fixed link；Described Deformation occurs for one elastic component, the fixed air cushion of the fixed link；By the setting of above structure, allow fixed link effective The effect for realizing fixation and the release to air cushion, avoids air cushion from being easily detached from, strengthens the control effect to air cushion, mention The high control efficiency to air cushion, and structure is simply easily operated, it is very practical.

Further, the driving device includes the first transmission for driving fixed link to be discharged and fixed to air cushion Part and the connecting rod that air cushion is discharged and is fixed for controlling fixed link；The first driving member rotation, the fixed link are released It deflates and pads, first driving member rotates in the opposite direction, the fixed air cushion of the fixed link；By the setting of above structure, make The control of release and fixation to air cushion can be realized by the variation of low first driving member and connecting rod by obtaining fixed link, be strengthened solid Fixed pole allows fixed link is more stable and reliable to control air cushion the control intensity of air cushion, effectively raises knot Stability when structure drives.

Further, the transmission device includes for driving the motion bar of the first drive member, for driving activity The second driving member that bar moves and the driving accessory part for assisting the second driving member to be driven；The second driving member rotation, The motion bar moves down, and second driving member rotates in the opposite direction, and the motion bar moves up；Pass through above-mentioned knot The setting of structure, so that drive rod when being driven, can effectively pass fixed link by motion bar and the second driving member It passs, improves the efficiency of drive rod power transmitting, ensure that the instantaneity of actuator power transmitting, in order to fall in patient When, patient is protected at once, and drives the setting of accessory part, it is possible to reduce actuator is required when driving the device Force strength, so that the driving of actuator is more laborsaving.

Further, the bottom of the air cushion is equipped with the fixing piece for being fixed in fixed case, sets on the fixed case There is the opening penetrated for fixing piece, the opening is set to the lower section of fixed block；The fixed link moves down, and the fixing piece is set In in fixed link, the fixed link is moved up, and the fixing piece is fixed in fixed link；Pass through the setting of above structure, gas Pad can be inserted in fixed link directly through fixed case, to realize the fixation to air cushion, in order to open when patient falls down at once Air cushion is opened, patient is protected, improves the installation to air cushion and fixed efficiency, and structure is simple, it is easily operated.

Further, the bottom of the fixed link, which is equipped with, is used to support the limited block that the first elastic component carries out stretching motion, It is equipped in the fixed case for the work box for driving device and control device work, the fixed link is arranged in work box Top, the bottom of the fixed block are equipped with the embedded hole for being embedded in for fixed link；By the setting of above structure, so that fixed Bar can realize the control effect to fixation and the release of air cushion by the variation of the first elastic component, and the setting of embedded hole, use Cooperated in fixed club head, allows fixed link in the embedded hole of fixed block, strengthen fixed link to air cushion Fixed effect, avoid falling off for air cushion under normal conditions, ensure that the stability of structure.

Further, the motion bar is arranged in the top of work box, and the driving accessory part includes for reducing right The clump weight of the driving force of fixed link and it is used to support the third driving member that clump weight carries out province's power drive, the clump weight passes through Third driving member is fixedly connected with the axis of the second driving member；Second driving member rotation, the clump weight decline, described the Two driving members rotate in the opposite direction, and the clump weight rises;By the setting of above-mentioned clump weight, so that drive rod is to fixation , can more easily when bar is driven, strength needed for saving actuator driving fixed link effectively increases actuator pair The drive efficiency of fixed link, and under normal conditions, so that walk helper can slide downwards automatically when leaving ground to avoid drive rod, And lead to failure of apparatus, improve the reliability of the device.

Further, the motion bar is flexibly connected with the second driving member, and second driving member engages company with drive rod It connecing, the drive rod is arranged in fixed case, the position-limited rack for carrying out guide and limit to drive rod is equipped in the fixed case, The junction of the drive rod and fixed case is equipped with the second elastic component；By the setting of above structure, so that drive rod is to solid When fixed pole is driven, working condition is kept, avoids drive rod from shifting and leads to the failure of device, while can be driving Bar provides certain displacement space in inclination, and the hardness of actuator and fixed case is avoided to cooperate and cause the failure of device.

The invention has the following advantages that this is used for walking assisting device the setting by above-mentioned auxiliary protection mechanism of medical instrument It sets, allows auxiliary protection mechanism when walk helper is toppled over, moment reacts, and opens air cushion, lands it in patient It is preceding that patient is protected, play the role of buffering, effectively avoid the secondary injury of patient, ensure that the health of patient Property, the safety of walk helper when in use is improved, it is very simple and reliable and easily operated.

Detailed description of the invention

Fig. 1 is three-dimensional structure diagram of the invention.

Fig. 2 is the three-dimensional structure diagram of the fixed case in Fig. 1.

Fig. 3 is the three-dimensional structure diagram of the air cushion in Fig. 1.

Fig. 4 is the three-dimensional cutaway view one of Fig. 3.

Fig. 5 is the structural schematic diagram at the A in Fig. 4.

Fig. 6 is the structural schematic diagram at the B in Fig. 4.

Fig. 7 is the three-dimensional cutaway view two of Fig. 1.

Fig. 8 is the structural schematic diagram at the C in Fig. 7.

Specific embodiment

In order to make those skilled in the art better understand the present invention program, below in conjunction in the embodiment of the present invention Attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work It encloses.

As shown in figures 1-8, a kind of walking assisting device for medical instrument, including for assisting the walk helper of people's walking 1 and multiple air cushions 2 for being protected when patient will fall down to patient, it further include release for controlling air cushion 2 and solid Fixed auxiliary protection mechanism, the auxiliary protection mechanism include for drive air cushion 2 start protection drive rod 31 and for pair The fixed case 32 that drive rod 31 is limited, by the setting of above-mentioned auxiliary protection mechanism, so that walk helper is being toppled over When, patient can be effectively protected, avoid patient's secondary injury, play the role of auxiliary protection, ensure that patient Health, and the setting of drive rod and fixed case, in order to effectively be driven to auxiliary protection mechanism, so that toppling over Moment can open air cushion, play the role of buffering when patient falls down, and effectively avoid the secondary injury of patient；Above-mentioned gas Pad is existing product currently on the market, is the prior art, details are not described herein again, and fixed case is fixedly arranged on the side bar of walk helper On.

The auxiliary protection mechanism includes control device for controlling fixation and the release of air cushion 2, for drive control Device realization passes to driving device to the driving device of fixation and release of air cushion 2 and the power for generating drive rod 31 Transmission device, it is more preferable in order to be carried out to air cushion so that fixed effect may be implemented in air cushion by the setting of above structure Control, air cushion is directly opened by the variation of drive rod, in order to timely be protected to patient, is improved Air cushion ensure that the safety of patient, very securely and reliably to the protection instantaneity of patient.

The control device includes fixed link 33 for air cushion 2 to be fixed in fixed case 32, is used to control fixed link The first elastic component 34 that 33 pairs of air cushions 2 are fixed and the fixed block 35 for air cushion 2 to be fixed with the cooperation of fixed link 33； Deformation occurs for first elastic component 34, the fixed air cushion 2 of the fixed link 33, by the setting of above structure, so that fixed Bar can effectively realize the effect of the fixation and release to air cushion, avoid air cushion from being easily detached from, strengthen to air cushion Control effect, improve the control efficiency to air cushion, and structure is simply easily operated, it is very practical；The bottom of the air cushion 2 Portion is equipped with the fixing piece 21 for being fixed in fixed case 32, and the fixed case 32 is equipped with the opening penetrated for fixing piece 21 321, the opening 321 is set to the lower section of fixed block 35；The fixed link 33 moves down, and the fixing piece 21 is placed in fixed link On 33, the fixed link 33 is moved up, and the fixing piece 21 is fixed in fixed link 33, passes through the setting of above structure, gas Pad can be inserted in fixed link directly through fixed case, to realize the fixation to air cushion, in order to open when patient falls down at once Air cushion is opened, patient is protected, improves the installation to air cushion and fixed efficiency, and structure is simple, it is easily operated.

The first elastic component in the present embodiment is adjustable spring, and the second elastic component is silica gel cushion, and above-mentioned fixing piece can be with It is just inserted in fixed link, plays fixed effect, when needing that air cushion is fixed, by the fixing piece on air cushion by opening Mouth protrudes into fixed case, and the first elastic component starts to stretch, and fixed link is driven to move down, and fixing piece is inserted into fixed link, so The first elastic component is shunk afterwards, and fixed link is inserted into embedded hole, realizes the fixation to air cushion.

The driving device includes 36 He of the first driving member for driving fixed link 33 to discharge and fix air cushion 2 The connecting rod 361 that air cushion 2 is discharged and fixed for controlling fixed link 33；First driving member 36 rotates, the fixation Bar 33 discharges air cushion 2, and first driving member 36 rotates in the opposite direction, and the fixed air cushion 2 of the fixed link 33 passes through above-mentioned knot The setting of structure allows fixed link to realize the control of release and fixation to air cushion by the variation of low first driving member and connecting rod System, strengthens fixed link to the control intensity of air cushion, allows fixed link is more stable and reliable to control air cushion, effectively Improve structure driving when stability；The first driving member and the second driving member are arranged using gear in the present embodiment, third Driving member is driving chain, and above-mentioned component is the prior art, and details are not described herein again, the first driving member rotation, drive connecting rod with The first driving member rotation, connecting rod drive limited block move up, the first elastic component shrink or stretch so that Fixed link is fixed or is discharged to air cushion.

The transmission device includes for driving the motion bar 37 of the first driving member 36 movement, for driving motion bar 37 to transport The second dynamic driving member 38 and the driving accessory part for assisting the second driving member 38 to be driven；36 turns of second driving member Dynamic, the motion bar 37 moves down, and second driving member 36 rotates in the opposite direction, and the motion bar 37 moves up, By the setting of above structure so that drive rod is when being driven, can by motion bar and the second driving member to fixed link into The effective transmitting of row, improves the efficiency of drive rod power transmitting, ensure that the instantaneity of actuator power transmitting, in order to When patient will fall down, patient is protected at once, and drives the setting of accessory part, it is possible to reduce actuator drives the dress Required force strength when setting, so that the driving of actuator is more laborsaving；The motion bar 37 is arranged in work box 322 Top, the driving accessory part include the clump weight 371 for reducing the driving force to fixed link 33 and are used to support counterweight Block 371 carries out the third driving member 372 of province's power drive, and the clump weight 371 passes through third driving member 372 and the second driving member 36 Axis be fixedly connected；Second driving member 36 rotates, and the clump weight 371 declines, and second driving member 36 is towards opposite Direction rotation, the clump weight 371 rises, by the setting of above-mentioned clump weight, so that drive rod drives to fixed link When, it can more easily, strength needed for saving actuator driving fixed link effectively increases drive of the actuator to fixed link Efficiency of movement, and under normal conditions, so that walk helper can slide downwards automatically when leaving ground to avoid drive rod, and lead to device Failure, improves the reliability of the device.

The bottom of above-mentioned motion bar and drive rod is equipped with grinding tooth item, and the grinding tooth item of motion bar engages company with the first driving member It connects, the grinding tooth item of drive rod engages connection with the second driving member, and when drive rod moves up and down, the second transmission can be driven by grinding tooth Part rotation, the top of motion bar is flexibly connected with the side wall of the second driving member, and the second driving member is so as to driving on motion bar Lower movement, motion bar drive the first driving member to realize the effect rotated by grinding tooth.

The bottom of the fixed link 33, which is equipped with, is used to support the limited block 331 that the first elastic component 34 carries out stretching motion, institute The work box 322 being equipped in fixed case 32 for for driving device and control device work is stated, the fixed link 33 is arranged in work Make the top of case 322, the bottom of the fixed block 35 is equipped with the embedded hole 351 for being embedded in for fixed link 33, passes through above-mentioned knot The setting of structure allows fixed link to realize the control effect of fixation and release to air cushion by the variation of the first elastic component, And the setting of embedded hole adds fixed link in the embedded hole of fixed block for being cooperated with fixed club head Strong fixed effect of the fixed link to air cushion avoids falling off for air cushion under normal conditions, ensure that the stability of structure；Above-mentioned first Elastic component one end is fixedly arranged on the top of work box cavity, and the first elastic component other end is fixedly arranged on the surface of limited block.

The motion bar 37 is flexibly connected with the second driving member 36, second driving member 36 and 31 company of engagement of drive rod It connects, the drive rod 31 is arranged in fixed case 32, is equipped in the fixed case 32 for carrying out guide and limit to drive rod 31 Position-limited rack 323, the drive rod 31 and the junction of fixed case 32 are equipped with the second elastic component 324, pass through setting for above structure It sets, so that drive rod when driving to fixed link, keeps working condition, drive rod is avoided to shift and lead to device Failure, while certain displacement space can be provided in inclination for drive rod, avoid the hardness of actuator and fixed case from cooperating And lead to the failure of device.

When swaying style occurs for walk helper, drive rod is moved up by the compressing on ground, drives second by grinding tooth Driving member carries out rotation counterclockwise, and the rotation of the second driving member drives motion bar to move down, and clump weight is in the second transmission On the axis of part, axis is rotated together with the second driving member, the rotation of axis so that chain can loosen pulls clump weight, So that clump weight acts on the second driving member downward power, drives moving down for motion bar, pass through motion bar bottom by self gravity The grinding tooth in portion, the first driving member of driving are rotated clockwise, and the first driving member drives limited block to move down by connecting rod, the One elastic component is to stretch, so that fixed link is entirely retracted in work box, fixing piece is to deviate from fixed case, to realize air cushion Release, air cushion to patient carry out buffer protection.

When walk helper is in the normal state, air cushion is fixed in work box by fixing piece, and clump weight and the second driving member Axis connection so that drive rod is influenced by self gravity, when thinking to slide downwards, clump weight can pull the second transmission Part, so that the second driving member can not rotate, and drive rod engages always connection with the second driving member, and the gravity of drive rod is considerably lighter than Clump weight just can not tear clump weight, to realize under normal conditions to the braking of drive rod.

Claims (9)

1. a kind of walking assisting device for medical instrument, including the walk helper (1) for assisting people's walking and multiple it is used for The air cushion (2) that patient is protected when patient will fall down；It is characterized by also including the releases for controlling air cushion (2) With fixed auxiliary protection mechanism, the auxiliary protection mechanism includes the drive rod (31) for driving air cushion (2) to start protection With the fixed case (32) for being limited to drive rod (31).

2. the walking assisting device according to claim 1 for medical instrument, it is characterised in that: the auxiliary protection mechanism Control device including fixation and release for controlling air cushion (2), the fixation for drive dynamic control device realization to air cushion (2) Transmission device with the driving device of release and for the power that drive rod (31) generate to be passed to driving device.

3. the walking assisting device according to claim 2 for medical instrument, it is characterised in that: the control device includes Fixed link (33) for air cushion (2) to be fixed in fixed case (32) consolidates air cushion (2) for controlling fixed link (33) Fixed the first elastic component (34) and the fixed block (35) for air cushion (2) to be fixed with fixed link (33) cooperation；Described Deformation occurs for one elastic component (34), and the fixed link (33) is fixed air cushion (2).

4. the walking assisting device according to claim 3 for medical instrument, it is characterised in that: the driving device includes The first driving member (36) for driving fixed link (33) to discharge and fix air cushion (2) and for controlling fixed link (33) The connecting rod (361) that air cushion (2) is discharged and fixed；First driving member (36) rotation, fixed link (33) release Air cushion (2), first driving member (36) rotate in the opposite direction, and the fixed link (33) is fixed air cushion (2).

5. the walking assisting device according to claim 4 for medical instrument, it is characterised in that: the transmission device includes Motion bar (37) for driving the first driving member (36) to move, the second driving member (38) for driving motion bar (37) to move And the driving accessory part for assisting the second driving member (38) to be driven；Second driving member (36) rotation, the motion bar (37) it moves down, second driving member (36) rotates in the opposite direction, and the motion bar (37) moves up.

6. the walking assisting device according to claim 3 for medical instrument, it is characterised in that: the bottom of the air cushion (2) Portion is equipped with the fixing piece (21) for being fixed in fixed case (32), and the fixed case (32) is equipped with and penetrates for fixing piece (21) Opening (321), it is described opening (321) be set to fixed block (35) lower section；The fixed link (33) moves down, the fixation Part (21) is placed on fixed link (33), and the fixed link (33) moves up, and the fixing piece (21) is fixed on fixed link (33) On.

7. the walking assisting device according to claim 3 for medical instrument, it is characterised in that: the fixed link (33) Bottom, which is equipped with, is used to support the limited block (331) that the first elastic component (34) carry out stretching motion, is equipped in the fixed case (32) For the work box (322) for driving device and control device work, the fixed link (33) is arranged in the top of work box (322) Portion, the bottom of the fixed block (35) are equipped with the embedded hole (351) for being embedded in for fixed link (33).

8. the walking assisting device according to claim 5 for medical instrument, it is characterised in that: the motion bar (37) is worn Set on the top of work box (322), the driving accessory part includes for reducing the counterweight of the driving force to fixed link (33) Block (371) and it is used to support the third driving member (372) that clump weight (371) carries out province's power drive, the clump weight (371) passes through Third driving member (372) is fixedly connected with the axis of the second driving member (36)；Second driving member (36) rotation, the counterweight Block (371) decline, second driving member (36) rotate in the opposite direction, and the clump weight (371) rises.

9. the walking assisting device according to claim 5 for medical instrument, it is characterised in that: the motion bar (37) with Second driving member (36) is flexibly connected, and second driving member (36) engages connection, the drive rod (31) with drive rod (31) It is arranged in fixed case (32), the position-limited rack for drive rod (31) to be carried out with guide and limit is equipped in the fixed case (32) (323), the junction of the drive rod (31) and fixed case (32) is equipped with the second elastic component (324).