Summary of the invention
Technical problem:
Traditional crutch structure has a single function, and use scope is limited, is unable to satisfy a variety of demands of orthopedics patient.
To solve the above problems, this example devises a kind of Orthopedic medical crutch, a kind of Orthopedic medical crutch of this example, including
Symmetrical crutch pillar, crutch pillar upper surface are installed with oxter cushion block, are installed with cotton pad on the oxter cushion block,
It is equipped with hand-held slot in the end face that the crutch pillar is located remotely from each other, is equipped with handle in the hand-held slot, the hand-held slot is mutual
Close side is equipped with retraction slot, and solid axis is installed in the retraction slot, is equipped with the indent facing forward that is open in the solid axis, described
Sliding is equipped with briquetting in indent, pressure spring is installed between the briquetting rear end and the indent, the indent is close to described hand-held
It is communicated in the end wall of slot side and symmetrically pushes away slot equipped with front and back, described push away in slot is slided equipped with fixture block, and the fixture block is close to the hand
It holds slot one end and the slot bracket that pushes away is installed with adjustable spring, the fixture block, which is equipped with, abuts slot, the abutting slot and the pressure
Block abuts, and turning set is equipped with rotor plate on the solid axis, the rotor plate be located remotely from each other one end and the retraction slot inner end wall it
Between be installed with torsional spring, the symmetrical link slot in front and back is set in the rotor plate, sliding, which is equipped with, in two link slots in left side connects
Sliding block is connect, described connection sliding block one end is installed with the reset combination resetted to the connection sliding block, and the rotor plate mutually leans on
It is equipped with kerve in a nearly end face, the transmission device engaged with the rotor plate lower end surface is equipped on the downside of the retraction slot, it is described to turn
Cane lower rod end is equipped with symmetrical rotation slot, is equipped in the rotation slot by shaft rotation and supports switch block, the rotation
Slot is connected by power with the transmission device, and the support switch block is equipped with locked groove, and the locked groove and transmission device clamping are used
To fix the support switch block position, the rotation of crutch lower rod end face is equipped with idler wheel switch block, sets in the idler wheel switch block
There is roller groove, rotation is equipped with the symmetrical idler wheel in front and back in the roller groove;The support switch block lower end surface and ground face contact, pass through
User moves the crutch pillar walking, when the rotor plate relatively rotates to level, the rotation of left and right sides manually
Plate locking connection, rotates the support switch block by the transmission device, then the idler wheel lower end and ground face contact, pass through
The idler wheel, which rolls, drives the crutch pillar mobile.Valuably, the support switch block lower end surface is installed with non-slip mat, described anti-
Skidding is abutted with ground, to the anti-skidding effect of crutch, when the idler wheel is not used, is contracted in the support switch block of left and right
Interior, the slot that pushes away is horizontally disposed, with it is initial when the link slot be vertical setting, when the rotor plate turns to horizontality
When, the fixture block can protrude into the link slot, by two rotor plate locking connections.
Wherein, the transmission device is included in respectively arranged lifting groove in two crutch pillars, the lifting groove
Upside is communicated equipped with through slot, and sliding is equipped with lifter rack in the through slot, and described lifter rack one end close to each other is fixed useful
With the reset components that the lifter rack resets, it is connected between the through slot and the retraction slot and is equipped with driving groove, the lifting
Upper end of the rack protrudes into the driving groove, and rotation is equipped with the transmission gear engaged with the rotor plate lower end in the driving groove,
The transmission gear is located remotely from each other one end and engages with the lifter rack, and elevator, the elevator are equipped in the lifting groove
Upper surface and the lifter rack lower end are connected, and the elevator lower end is installed with stationary rack, in the lifting groove lower end wall
It communicates and is equipped with groove, meshing gear, the meshing gear are equipped with by mandrel rotation in a groove end wall close to each other
It is connect with the stationary rack to engage, linkage, the linkage and the mandrel is equipped on the downside of the lifting groove
And the support switch block is connected by power, the lifting groove left and right sides, which communicates, sets sliding slot, and sliding is equipped with and the liter in the sliding slot
Drop block is to the pushing block that abuts, and the pushing block turns spring far from being installed between described lifting groove one end and the sliding slot, the cunning
The company's of being equipped with chamber is connected between slot and the rotation slot, the reset components connect intracavitary sliding and are equipped with lifting fixture block, the lifting clamp
It is equipped in block and runs through slot, it is described to be abutted through slot with the pushing block, it is installed between the lifting fixture block upper end and the even chamber
Reset spring, the lifting fixture block lower end and the locked groove, which are clamped, locks the support switch block position;The rotor plate rotation
By transmission so that the elevator decline extruding pushing block moves outward, then the lifting fixture block rises and the locked groove
It is detached from, then the support switch block is free to rotate.
It may be preferred that the elevator lower end surface is provided with symmetrical abutting force inclined-plane, the pushing block is close to institute
It states one end face of lifting groove and is provided with abutting stress inclined-plane, abutting force inclined-plane abuts stress bevel inclination angle phase with described
Together, the pushing block is pushed to move into the sliding slot to link slot decline.
Wherein, the linkage includes respectively arranged on two crutch pillars nibbling with what the rotation slot communicated
Close chamber, the shaft rear end in outside protrudes into that the engagement is intracavitary and be installed with spur gear thereon, and the spur gear is close to two
One end engagement of the crutch pillar symmetrical centre is connected with rotate gear, the core back-end protrude into the engagement it is intracavitary and with
The rotate gear is connected, and passes through belt power between the mandrel front end and the shaft of the separate stationary rack side
Connection;The stationary rack is gone up and down so that the meshing gear rotates, then the shaft drives the support switch block synchronous and phase
The rotation of opposite direction, so that idler wheel decline is abutted with ground.
The beneficial effects of the present invention are: orthopaedics of the invention moves medical crutch tool there are two types of the usage mode of structure, can make
It for Oxter crutch use, drives crutch mobile by user itself strength, patient can also be driven to go by the way that idler wheel is mobile
It walks to take exercise, keeps its use scope wide, meet the needs of different degrees of orthopaedics injury, and convenient for operation.
Specific embodiment
Below with reference to Fig. 1-Fig. 7, the present invention is described in detail, for sake of convenience, now provides to hereafter described orientation
As follows: hereafter described front-rear direction up and down is consistent with the front-rear direction up and down of Fig. 1 projection relation itself.
The present invention relates to a kind of Orthopedic medical crutch, it is mainly used in orthopedic rehabilitation is taken exercise or orthopedics patient is walked
Mobile working is assisted, the present invention will be further described below in conjunction with attached drawing of the present invention:
A kind of Orthopedic medical crutch of the present invention, including symmetrical crutch pillar 10,10 upper end of crutch pillar
Face is installed with oxter cushion block 11, and cotton pad 12, one end that the crutch pillar 10 is located remotely from each other are installed on the oxter cushion block 11
It is equipped with hand-held slot 13 in face, handle 14 is equipped in the hand-held slot 13, the hand-held slot 13 side close to each other, which is equipped with, shrinks
Slot 15 is installed with solid axis 16 in the retraction slot 15, is equipped with the indent 19 facing forward that is open in the solid axis 16, in the indent 19
Sliding is equipped with briquetting 20, pressure spring 21 is installed between 20 rear end of briquetting and the indent 19, the indent 19 is close to described
It is communicated in hand-held 13 side end wall of slot and symmetrically pushes away slot 22 equipped with front and back, described push away in slot 22 is slided equipped with fixture block 23, the card
Block 23 is installed with adjustable spring 24 close to described hand-held 13 one end of slot and 22 bracket of slot that pushes away, and the fixture block 23, which is equipped with, to abut
Slot 25, the abutting slot 25 are abutted with the briquetting 20, and turning set is equipped with rotor plate 17, the rotor plate 17 on the solid axis 16
It is located remotely from each other between 15 inner end wall of one end and the retraction slot and is installed with torsional spring 29, front and back is set in the rotor plate 17 and is symmetrically connected
Access slot 26, the interior sliding of the link slot 26 of two of left side are equipped with connection sliding block 27, and described 27 one end of connection sliding block is fixed useful
28 are combined with the reset that the connection sliding block 27 resets, kerve 18 is equipped in the rotor plate 17 end face close to each other, it is described
The transmission device 100 engaged with 17 lower end surface of rotor plate is equipped on the downside of retraction slot 15,10 lower end of crutch pillar is equipped with
Symmetrical rotation slot 45 is equipped with support switch block 46 by the rotation of shaft 56 in the rotation slot 45, the rotation slot 45 with
The transmission device 100 is connected by power, and the support switch block 46 is equipped with locked groove 47, the locked groove 47 and the transmission device
To fix 46 position of support switch block, 10 lower end surface of the crutch pillar rotation is equipped with idler wheel switch block 52, institute for 100 clampings
It states and is equipped with roller groove 53 in idler wheel switch block 52, rotation is equipped with the symmetrical idler wheel 54 in front and back in the roller groove 53;The support turns
46 lower end surface of block and ground face contact, are moved the crutch pillar 10 manually by user and walked, when the rotor plate 17 is opposite
When turning to level, the rotor plate 17 of left and right sides locks connection, makes the support switch block by the transmission device 100
46 rotations, then 54 lower end of idler wheel and ground face contact, are rolled by the idler wheel 54 and drive the crutch pillar 10 mobile.
Valuably, 46 lower end surface of support switch block is installed with non-slip mat 55, and the non-slip mat 55 is abutted with ground, to
The anti-skidding effect of crutch when the idler wheel 54 is not used, is contracted in the support switch block 46 of left and right, described to push away 22 water of slot
Flat setting, with it is initial when the link slot 26 be vertical setting, when the rotor plate 17 turns to horizontality, the card
Block 23 can protrude into the link slot 26, by two locking of rotor plate 17 connections.
According to embodiment, transmission device 100 is described in detail below, the transmission device 100 is included in two institutes
Respectively arranged lifting groove 35 in crutch pillar 10 is stated, is communicated on the upside of the lifting groove 35 equipped with through slot 33, in the through slot 33
Sliding is equipped with lifter rack 32, and the lifter rack 32 one end close to each other is installed with answers to what the lifter rack 32 resetted
Position component 34, is connected between the through slot 33 and the retraction slot 15 and is equipped with driving groove 30,32 upper end of lifter rack is protruded into
In the driving groove 30, rotation is equipped with the transmission gear 31 engaged with 17 lower end of rotor plate in the driving groove 30, described
Transmission gear 31 is located remotely from each other one end and engages with the lifter rack 32, is equipped with elevator 36, the liter in the lifting groove 35
It drops 36 upper surface of block and 32 lower end of lifter rack is connected, 36 lower end of elevator is installed with stationary rack 37, the liter
It is communicated in drop 35 lower end wall of slot equipped with groove 51, interior be equipped with by the rotation of mandrel 50 of the groove 51 end wall close to each other is nibbled
Gear 49 is closed, the meshing gear 49 is connect with the stationary rack 37 to engage, and is equipped with and is interlocked on the downside of the lifting groove 35
Device 200, the linkage 200 are connected by power with the mandrel 50 and the support switch block 46, the lifting groove 35 or so
Side, which communicates, sets sliding slot 38, and sliding is equipped with the elevator 36 to the pushing block 39 that abuts, the pushing block 39 in the sliding slot 38
Turn spring 40 far from being installed between described 35 one end of lifting groove and the sliding slot 38, between the sliding slot 38 and the rotation slot 45
Connection is equipped with even chamber 41, and the reset components 3 connect sliding in chamber 41 and are equipped with lifting fixture block 42, are equipped with and pass through in the lifting fixture block 42
Wears groove 44, it is described to be abutted through slot 44 with the pushing block 39, it is installed between 42 upper end of lifting fixture block and the even chamber 41
Reset spring 43,42 lower end of lifting fixture block and the locked groove 47, which are clamped, locks 46 position of support switch block;Described turn
The rotation of movable plate 17 by transmission so that the decline of the elevator 36 squeezes the pushing block 39 moves outward, then the lifting fixture block
42 risings are detached from the locked groove 47, then the support switch block 46 is free to rotate.
Valuably, 36 lower end surface of elevator is provided with symmetrical abutting force inclined-plane, and the pushing block 39 is close
35 1 end face of lifting groove, which is provided with, abuts stress inclined-plane, and abutting force inclined-plane abuts stress inclined-plane inclination angle with described
It spends identical, pushes the pushing block 39 to move into the sliding slot 38 to the link slot 26 decline.
According to embodiment, linkage 200 is described in detail below, the linkage 200 includes described in two
Respectively arranged on crutch pillar 10 to engage chamber 58 with what the rotation slot 45 communicated, institute is protruded into 56 rear end of the shaft in outside
It states in engagement chamber 58 and is installed with spur gear 57 thereon, the spur gear 57 is close to two 10 symmetrical centres of crutch pillar
One end engagement is connected with rotate gear 59, and 50 rear end of mandrel is protruded into the engagement chamber 58 and solid with the rotate gear 59
Even, it is connected by power between 50 front end of mandrel and the shaft 56 of separate 37 side of stationary rack by belt 61;
The stationary rack 37 is gone up and down so that the meshing gear 49 rotates, then the shaft 56 drive the synchronization of support switch block 46 and
The rotation of opposite direction, so that the decline of idler wheel 54 is abutted with ground.
It is described in detail below in conjunction with use step of the Fig. 1 to Fig. 7 to one of this paper Orthopedic medical crutch:
When beginning, non-slip mat 55 and ground face contact, lifting fixture block 42 and locked groove 47 are clamped, will support 46 position of switch block it is fixed to
Crutch pillar 10 is supported, rotor plate 17 is contracted in retraction slot 15, and adjustable spring 24 is in compressive state, can be by crutch pillar 10
It is placed in the oxter of orthopedics patient, cotton pad 12 is abutted with oxter, and both hands are held in respectively on handle 14, can be used by user's hand
Power moves the movement of crutch pillar 10, to support the walking of orthopedics patient.
When mobile using idler wheel 54, kerve 18 is pulled to rotate towards each other rotor plate 17 to horizontality, fixture block 23 is in flexible bullet
The lower movement of the effect of spring 24, fixture block 23 protrude into link slot 26, rotor plate 17 are fixedly connected with solid axis 16, the fixture block 23 in left side pushes away
Dynamic connection sliding block 27 is moved in the link slot 26 on right side, and the rotor plate 17 of left and right is locked connection, the mistake that rotor plate 17 rotates
Cheng Zhong, transmission gear 31 rotate, so that lifter rack 32 declines, then elevator 36 declines and squeezes pushing block 39 and moves into sliding slot 38
It is dynamic, then it goes up and down fixture block 42 and rises and be detached from locked groove 47, as elevator 36 continues to decline, then stationary rack 37 and meshing gear 49
Engagement, so that meshing gear 49 rotates, by transmission so that the support switch block 46 of left and right sides is synchronous and opposite on crutch pillar 10
Direction rotation, then the decline of crutch pillar 10 is so that idler wheel 54 is abutted with ground;
In use, crutch pillar 10 is connected by rotor plate 17, rear stability is good, and patient may be supported on rotor plate 17, pass through rolling
Taking turns 54 rotations drives crutch pillar 10 to advance, and mitigates exerting oneself for patient itself.
The beneficial effects of the present invention are: orthopaedics of the invention moves medical crutch tool there are two types of the usage mode of structure, can make
It for Oxter crutch use, drives crutch mobile by user itself strength, patient can also be driven to go by the way that idler wheel is mobile
It walks to take exercise, keeps its use scope wide, meet the needs of different degrees of orthopaedics injury, and convenient for operation.
In the above manner, those skilled in the art can be made within the scope of the invention according to operating mode it is various
Change.