CN110638590A - Shifting machine - Google Patents

Shifting machine Download PDF

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Publication number
CN110638590A
CN110638590A CN201910941350.0A CN201910941350A CN110638590A CN 110638590 A CN110638590 A CN 110638590A CN 201910941350 A CN201910941350 A CN 201910941350A CN 110638590 A CN110638590 A CN 110638590A
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CN
China
Prior art keywords
rod
pin
assembly
screw nut
supporting rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910941350.0A
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Chinese (zh)
Inventor
李千
张学海
郭晓谭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Mai Kang Medical Robot Co Ltd
Original Assignee
Shenzhen Mai Kang Medical Robot Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Mai Kang Medical Robot Co Ltd filed Critical Shenzhen Mai Kang Medical Robot Co Ltd
Priority to CN201910941350.0A priority Critical patent/CN110638590A/en
Publication of CN110638590A publication Critical patent/CN110638590A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1025—Lateral movement of patients, e.g. horizontal transfer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1043—Cushions specially adapted for wheelchairs
    • A61G5/1045—Cushions specially adapted for wheelchairs for the seat portion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1013—Lifting of patients by

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nursing (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The invention is suitable for the technical field of medical instruments, and provides a shifter, which comprises: a load bearing assembly for bearing a user, comprising a seat plate; a support assembly comprising a chassis; the reciprocating assembly is connected to the chassis and positioned below the bearing assembly; the driving assembly is in transmission connection with the reciprocating assembly and drives the reciprocating assembly to reciprocate; and one end of the supporting rod is hinged with the reciprocating component, and the other end of the supporting rod is hinged with the bearing component. Therefore, the shifting machine provided by the invention can be conveniently lifted and lowered, and the user experience is improved.

Description

Shifting machine
Technical Field
The invention relates to the technical field of medical instruments, in particular to a shifting machine.
Background
The shifting machine is used for assisting a caregiver to shift the position of a user, for example, a patient is shifted among positions of a wheelchair, a sofa, a bed, a pedestal pan and the like; the shifting machine in the prior art has large volume and overhigh chassis, and the shifting machine of part of furniture sofas cannot enter and is difficult to realize shifting and is inconvenient for nursing personnel to carry; adopt bolt formula elevating system, the operation is complicated to need the user to leave the aversion machine and just can height-adjusting, the practicality is low, and user experience is poor. The soft cushion is adopted to bear the user, the sling type is more, and the user can not sit for a long time.
In summary, the structure of the conventional shifting machine obviously has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
In view of the above-mentioned drawbacks, the present invention provides a shifting machine, which realizes convenient lifting of the shifting machine, has a simple structure and a small volume, and improves the comfort of users.
In order to achieve the above object, the present invention provides a shifter comprising:
a load bearing assembly for bearing a user, comprising a seat plate;
a support assembly comprising a chassis;
the reciprocating assembly is connected to the chassis and positioned below the bearing assembly;
the driving assembly is in transmission connection with the reciprocating assembly and drives the reciprocating assembly to reciprocate;
and one end of the supporting rod is hinged with the reciprocating component, and the other end of the supporting rod is hinged with the bearing component.
According to the shifting machine, the reciprocating motion assembly comprises a lead screw and at least one lead screw nut, and the lead screw nut is sleeved on the outer side of the lead screw and is in transmission connection with the lead screw;
the lead screw is in transmission connection with the driving assembly;
one end of the supporting rod is hinged with the screw nut.
According to the machine of shifting, drive assembly includes ratchet and running-board, ratchet includes:
the box body is internally provided with an accommodating cavity;
the ratchet wheel is rotatably arranged in the accommodating cavity and is arranged along the periphery of the ratchet wheel at intervals of a plurality of tooth grooves and convex teeth;
the front end of the ratchet pin is provided with inclined teeth, and the inclined teeth are provided with an inclined surface; the helical teeth are abutted against the tooth grooves, and the inclined surfaces of the helical teeth face the convex teeth; a spring is sleeved on the outer side of the middle part of the ratchet pin, the front end of the spring abuts against the helical teeth, and the rear end of the spring abuts against the inner wall of the box body; the rear end of the ratchet pin extends out of the box body;
the pedal is connected with the box body;
the lead screw is in transmission connection with the ratchet wheel.
According to the shifting machine, two screw nuts, namely a left screw nut and a right screw nut which are opposite in spiral direction, are arranged, the left screw nut is connected to the left side of the screw rod, and the right screw nut is connected to the right side of the screw rod;
the two supporting rods are respectively a left supporting rod and a right supporting rod; one end of the left support rod is hinged to the left screw nut, and one end of the right support rod is hinged to the right screw nut.
According to the shifting machine, a sliding groove matched with the reciprocating assembly is formed in the base plate, and the lead screw, the left screw nut and the right screw nut are arranged in the sliding groove.
According to the shifting machine, the bearing assembly comprises two vertically arranged supporting rods, namely a left supporting rod connected to the left side of the front end of the seat plate and a right supporting rod connected to the right side of the front end of the seat plate;
the left end of the cross rod is connected with the left holding rod, and the right end of the cross rod is connected with the right holding rod;
the lead screw is parallel to the cross rod, the other end of the left supporting rod is hinged to the left end of the cross rod, and the other end of the right supporting rod is hinged to the right end of the cross rod.
According to the shifting machine, a first pin is horizontally arranged at the top of the left screw nut, and one end of the left support rod is sleeved outside the first pin and rotates by taking the first pin as an axis;
a second pin is horizontally arranged at the left end of the cross rod, and the other end of the left supporting rod is sleeved outside the second pin and rotates by taking the second pin as an axis;
a third pin is horizontally arranged at the top of the right screw nut, and one end of the right supporting rod is sleeved outside the third pin and rotates by taking the third pin as an axis;
the right end level of horizontal pole sets up the fourth pin, the other end cover of right branch vaulting pole is located the outside of fourth pin to use the fourth pin is the rotation of axle.
According to the shifter, the top of the handrail is a handrail which extends in a bending way towards the front.
According to the shifting machine, the supporting assembly further comprises a left fixing rod and a right fixing rod, and the left fixing rod is vertically arranged on the chassis at a position corresponding to the left holding rod; the right fixing rod is vertically arranged on the chassis at a position corresponding to the right holding rod;
the bottom of the left holding rod is in a hollow shape matched with the left fixing rod, and the bottom of the left holding rod is slidably sleeved outside the left fixing rod;
the bottom of the right holding rod is in a hollow shape matched with the right fixing rod, and the bottom of the right holding rod is slidably sleeved outside the right fixing rod.
According to the shifting machine, the supporting assembly further comprises a caster wheel, and the caster wheel is arranged at the bottom of the chassis;
the bearing component, the chassis and the supporting rod are made of hollow metal materials.
The embodiment of the invention provides a displacement machine, which comprises a bearing assembly for bearing a user, wherein the bearing assembly comprises a seat plate, and the user rides on the seat plate; the supporting component is used for stably supporting the whole structure and comprises a chassis; the reciprocating assembly is connected to the chassis and positioned below the bearing assembly; the driving assembly is in transmission connection with the reciprocating assembly and drives the reciprocating assembly to reciprocate; and one end of the supporting rod is hinged with the reciprocating component, and the other end of the supporting rod is hinged with the bearing component. In the process that the supporting rod moves along the first direction along with the reciprocating assembly, the supporting rod is gradually changed from a nearly horizontal state to a vertical state, and in the process, the bearing assembly is jacked up by the supporting rod and gradually rises; or the supporting rod is gradually changed from a state close to the vertical state to a horizontal state in the process of moving along a second direction opposite to the first direction along with the reciprocating assembly, and the bearing assembly is pulled down by the supporting rod and gradually descends in the process; therefore, the shifting machine provided by the invention can be conveniently lifted and lowered, and the user experience is improved.
Drawings
Fig. 1 is a schematic structural diagram of a lifting state of a bearing assembly of a shifting machine according to an embodiment of the present invention;
fig. 2 is a schematic partial structural diagram of a descending state of a bearing assembly of the shifting machine according to the embodiment of the present invention;
FIG. 3 is an enlarged, fragmentary, schematic view of a shuttle assembly provided in accordance with an embodiment of the present invention;
FIG. 4 is an exploded view of the drive assembly provided by the present invention;
fig. 5 is a partially enlarged structural schematic diagram of a driving assembly according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, in a first embodiment of the present invention, there is provided a shifter 100 including:
a load bearing assembly for bearing a user, comprising a seat plate 10;
a support assembly comprising a chassis 20;
the reciprocating assembly is connected to the chassis 20 and is positioned below the bearing assembly;
the driving assembly is in transmission connection with the reciprocating assembly and drives the reciprocating assembly to reciprocate;
and one end of the supporting rod is hinged with the reciprocating component, and the other end of the supporting rod is hinged with the bearing component.
In this embodiment, the shifter 100 raises or lowers the carrier assembly by the cooperation of the shuttle assembly, drive assembly and support rods. The bearing component comprises a seat plate 10, the user sits on the seat plate 10, the supporting component is used for stably supporting the whole structure, and the supporting component comprises a chassis 20; the reciprocating assembly is connected to the chassis 20 and located below the bearing assembly, and is driven to reciprocate by the driving assembly, which may be a speed reduction motor. When one end of the supporting rod is hinged with the reciprocating component, the other end of the supporting rod is hinged with the bearing component and reciprocates along with the reciprocating component, the supporting rod is gradually erected from a horizontal state to a vertical state, or gradually lies down from the vertical state to the horizontal state; specifically, in the process that the supporting rod moves along the first direction along with the reciprocating assembly, the supporting rod is gradually changed from a nearly horizontal state to a vertical state, and in the process, the bearing assembly is jacked up by the supporting rod and gradually rises; or the supporting rod is gradually changed from a state close to the vertical state to a horizontal state in the process of following the reciprocating assembly to move along a second direction opposite to the first direction, and in the process, the bearing assembly is pulled down by the supporting rod and gradually descends, so that the bearing assembly is conveniently lifted or descended, and the shifter 100 has a simple structure and a small volume.
Referring to fig. 1 to 3, in a second embodiment of the present invention, the reciprocating assembly includes a lead screw 41 and at least one lead screw nut, and the lead screw nut is sleeved outside the lead screw 41 and is in transmission connection with the lead screw 41;
the lead screw 41 is in transmission connection with the driving assembly;
one end of the supporting rod is hinged with the screw nut.
In this embodiment, the screw 41 is matched with the screw nut to convert the rotary motion into the linear motion, the driving assembly drives the screw 41 to rotate forward or backward, the rotating screw 41 drives the screw nut to do the linear motion on the screw 41, one end of the supporting rod is hinged to the screw nut, and as one end of the supporting rod moves along with the screw nut and the other end is hinged to the bearing assembly, the included angle between the supporting rod and the horizontal direction is gradually increased or decreased in the moving process, so that the supporting rod is in a horizontal state or a vertical state, and the supporting rod which tends to be in the vertical state gradually jacks up the bearing assembly to achieve the effect of rising; the supporting rod which tends to be in a horizontal state gradually pulls down the bearing component to achieve the effect of descending.
Referring to fig. 4 to 5, in a third embodiment of the present invention, the driving assembly includes a ratchet mechanism 50 and a pedal 60, the ratchet mechanism 50 includes:
a box body 51, inside which an accommodating cavity is arranged;
the ratchet wheel 52 is rotatably arranged in the accommodating cavity and is arranged along the periphery of the ratchet wheel 52 at intervals of a plurality of tooth sockets 521 and convex teeth 522;
the front end of the ratchet pin 53 is provided with inclined teeth 531, and the inclined teeth 531 are provided with inclined planes; the helical teeth 531 abut against the tooth grooves 521, and the inclined surfaces of the helical teeth 531 face the male teeth 522; a spring 54 is sleeved on the outer side of the middle part of the ratchet pin 53, the front end of the spring 54 abuts against the helical teeth 531, and the rear end of the spring 54 abuts against the inner wall of the box body 51; the rear end 532 of the ratchet pin 53 extends out of the case body 51;
the pedal 60 is connected to the case 51;
the lead screw 41 is in transmission connection with the ratchet 52.
In this embodiment, the ratchet mechanism 50 includes a ratchet pin 53, a ratchet 52, a spring 54, and a case 51. The ratchet 52 is fixed on one end of the lead screw 41, and the lead screw 41 and the ratchet 52 are locked by a bolt. The ratchet 52 is put into the containing cavity of the box body 51, the middle part of the ratchet pin 53 passes through a proper spring 54, the ratchet pin 53 and the spring 54 pass through the containing cavity of the box body 51 until the inclined teeth 531 of the ratchet pin 53 push against the tooth sockets 521 of the ratchet 52, preferably, the spring 54 is pressed by an end cover, the end cover is locked on the box body 51 by a bolt, and the ratchet pin 53 is limited in the containing cavity of the box body 51, so that the ratchet pin 53 and the box body 51 are equivalent to a whole, the box body 51 is linked with the ratchet pin 53 by rotating the box body 51, when the rotating direction of the box body 51 is consistent with the inclined direction of the inclined surface, the ratchet pin 53 is clamped in the tooth sockets 521 of the ratchet 52, and the ratchet 52 rotates along with the box body; when the direction of rotation of the case 51 is opposite to the direction of inclination of the inclined surface of the ratchet pin 53, the ratchet pin 53 slides out of the tooth slot 521 of the ratchet 52, and the ratchet 52 does not rotate with the case 51, and the case 51 is idly returned. The rotation direction of the box body 51 is controlled by the pedal 60, and the user repeatedly steps on the pedal 60 to enable the ratchet wheel 52 to gradually rotate and drive the screw rod to rotate forwards; when the lead screw needs to be driven to rotate reversely, a user rotates 180 degrees to extend out of the rear end of the ratchet pin 53 outside the box body 51, so that the inclined surface of the inclined teeth 531 also rotates 180 degrees, and at the moment, the user repeatedly steps on the pedal 60, so that the ratchet 52 gradually rotates, and the lead screw is driven to rotate reversely. Since the lead screw 41 is fixed to the ratchet 52 and is locked by the bolt, that is, the rotation of the ratchet 52 drives the lead screw 41 to rotate, the lead screw 41 is rotated by the above principle.
Referring to fig. 1 to 3, in a fourth embodiment of the present invention, two screw nuts, namely, a left screw nut 421 and a right screw nut 422 with opposite screw directions are provided, the left screw nut 421 is connected to the left side of the screw 41, and the right screw nut 422 is connected to the right side of the screw 41;
the two support rods are respectively a left support rod 31 and a right support rod 32; one end of the left support rod 31 is hinged to the left screw nut 421, and one end of the right support rod 32 is hinged to the right screw nut 422.
In this embodiment, when the screw 41 rotates, the left screw nut 421 and the right screw nut 422 move toward or away from each other along with the forward rotation or the reverse rotation of the screw 41, and simultaneously drive the left support rod 31 and the right support rod 32 to jack up or lie down; by using two screw nuts and two support rods, the lead is large and the lifting of the shifting machine 100 is more stable.
Referring to fig. 1 to 3, in a fifth embodiment of the present invention, a sliding groove 21 adapted to the reciprocating assembly is formed on the chassis 20, and the screw 41, the left screw nut 421 and the right screw nut 422 are disposed in the sliding groove 21.
In this embodiment, both ends of the screw 41 are preferably fixed in the sliding groove 21 by bearings, and the sliding of the left screw nut 421 and the right screw nut 422 on the sliding groove 21 is made more stable by using the sliding groove 21 as a sliding rail.
Referring to fig. 1, in a sixth embodiment of the present invention, the load-bearing assembly includes two vertically disposed handrails, namely, a left handrail 71 connected to the left side of the front end of the seat board 10 and a right handrail 72 connected to the right side of the front end of the seat board 10; the caregiver can easily apply force to push the shifter 100 by grasping the left and right hand bars 71, 72.
A cross bar 73, the left end of which is connected with the left holding bar 71, and the right end of which is connected with the right holding bar 72;
the screw rod is parallel to the cross rod 73, the other end of the left support rod 31 is hinged to the left end of the cross rod 73, and the other end of the right support rod 32 is hinged to the right end of the cross rod 73.
In the seventh embodiment of the present invention, a first pin 81 is horizontally disposed on the top of the left screw nut 421, and one end of the left support rod 31 is sleeved outside the first pin 81 and rotates around the first pin 81;
a second pin 82 is horizontally arranged at the left end of the cross rod 73, and the other end of the left support rod 31 is sleeved outside the second pin 82 and rotates around the second pin 82;
a third pin 83 is horizontally arranged at the top of the right screw nut 422, and one end of the right support rod 32 is sleeved outside the third pin 83 and rotates around the third pin 83;
a fourth pin 84 is horizontally arranged at the right end of the cross bar 73, and the other end of the right support bar 32 is sleeved outside the fourth pin 84 and rotates around the fourth pin 84.
Referring to fig. 1, the top of the handrail is preferably a handrail 74 extending in a curved manner toward the front, and the handrail 74 is provided to make it easier for the caregiver to hold the shifter 100.
Preferably, the supporting assembly further comprises a left fixing rod 91 and a right fixing rod 92, the left fixing rod 91 is vertically arranged on the chassis 20 at a position corresponding to the left holding rod 71; the right fixing rod 92 is vertically arranged on the chassis 20 corresponding to the position of the right holding rod 72;
the bottom of the left holding rod 71 is in a central shape matched with the left fixing rod 91, and the bottom of the left holding rod 71 is slidably sleeved outside the left fixing rod 91;
the bottom of the right holding rod 72 is in a central shape matched with the right fixing rod 92, and the bottom of the right holding rod 72 is slidably sleeved outside the right fixing rod 92.
In this embodiment, the left fixing rod 91 and the right fixing rod 92 are provided, so that the bearing assembly is more stable in the lifting process.
Referring to fig. 1, preferably, the support assembly further includes casters 22, and the casters 22 are disposed at the bottom of the chassis 20; the movement of the shifter 100 is more convenient by setting
The bearing component, the chassis 20 and the supporting rod are made of hollow metal materials, so that the weight of the whole machine can be reduced, and the strength can be increased.
In summary, the present invention provides a shifting machine, which includes a carrying assembly for carrying a user, the carrying assembly includes a seat plate, and the user sits on the seat plate; the supporting component is used for stably supporting the whole structure and comprises a chassis; the reciprocating assembly is connected to the chassis and positioned below the bearing assembly; the driving assembly is in transmission connection with the reciprocating assembly and drives the reciprocating assembly to reciprocate; and one end of the supporting rod is hinged with the reciprocating component, and the other end of the supporting rod is hinged with the bearing component. In the process that the supporting rod moves along the first direction along with the reciprocating assembly, the supporting rod is gradually changed from a state close to the horizontal state to a vertical state, and in the process, the bearing assembly is jacked up by the supporting rod and gradually rises; or the supporting rod is gradually changed from a state close to the vertical state to a horizontal state in the process of moving along a second direction opposite to the first direction along with the reciprocating assembly, and the bearing assembly is pulled down by the supporting rod and gradually descends in the process; therefore, the shifting machine provided by the invention can be conveniently lifted and lowered, and the user experience is improved.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. A shifter, comprising:
a load bearing assembly for bearing a user, comprising a seat plate;
a support assembly comprising a chassis;
the reciprocating assembly is connected to the chassis and positioned below the bearing assembly;
the driving assembly is in transmission connection with the reciprocating assembly and drives the reciprocating assembly to reciprocate;
and one end of the supporting rod is hinged with the reciprocating component, and the other end of the supporting rod is hinged with the bearing component.
2. The shifter of claim 1, wherein the reciprocating assembly includes a lead screw and at least one lead screw nut, the lead screw nut being sleeved outside the lead screw and being in driving connection with the lead screw;
the lead screw is in transmission connection with the driving assembly;
one end of the supporting rod is hinged with the screw nut.
3. The shifter of claim 2, wherein the drive assembly includes a ratchet mechanism and a foot pedal, the ratchet mechanism including:
the box body is internally provided with an accommodating cavity;
the ratchet wheel is rotatably arranged in the accommodating cavity and is arranged along the periphery of the ratchet wheel at intervals of a plurality of tooth grooves and convex teeth;
the front end of the ratchet pin is provided with inclined teeth, and the inclined teeth are provided with an inclined surface; the helical teeth are abutted against the tooth grooves, and the inclined surfaces of the helical teeth face the convex teeth; a spring is sleeved on the outer side of the middle part of the ratchet pin, the front end of the spring abuts against the helical teeth, and the rear end of the spring abuts against the inner wall of the box body; the rear end of the ratchet pin extends out of the box body;
the pedal is connected with the box body;
the lead screw is in transmission connection with the ratchet wheel.
4. The shifting machine according to claim 3, wherein two screw nuts are provided, namely a left screw nut and a right screw nut with opposite screw directions, the left screw nut is connected to the left side of the screw rod, and the right screw nut is connected to the right side of the screw rod;
the two supporting rods are respectively a left supporting rod and a right supporting rod; one end of the left support rod is hinged to the left screw nut, and one end of the right support rod is hinged to the right screw nut.
5. The shifting machine according to claim 4, wherein a sliding groove matched with the reciprocating assembly is formed in the chassis, and the lead screw, the left screw nut and the right screw nut are arranged in the sliding groove.
6. The shifting machine according to claim 4, wherein the bearing assembly comprises two vertically arranged handrails, namely a left handrail connected to the left side of the front end of the seat plate and a right handrail connected to the right side of the front end of the seat plate;
the left end of the cross rod is connected with the left holding rod, and the right end of the cross rod is connected with the right holding rod;
the lead screw is parallel to the cross rod, the other end of the left supporting rod is hinged to the left end of the cross rod, and the other end of the right supporting rod is hinged to the right end of the cross rod.
7. The shifting machine according to claim 6, wherein a first pin is horizontally arranged at the top of the left screw nut, and one end of the left support rod is sleeved outside the first pin and rotates around the first pin;
a second pin is horizontally arranged at the left end of the cross rod, and the other end of the left supporting rod is sleeved outside the second pin and rotates by taking the second pin as an axis;
a third pin is horizontally arranged at the top of the right screw nut, and one end of the right supporting rod is sleeved outside the third pin and rotates by taking the third pin as an axis;
the right end level of horizontal pole sets up the fourth pin, the other end cover of right branch vaulting pole is located the outside of fourth pin to use the fourth pin is the rotation of axle.
8. The shifter of claim 6, wherein the top of the rest bar is a handrail extending curved toward the front.
9. The shifter of claim 6, wherein the support assembly further comprises a left fixed rod and a right fixed rod, the left fixed rod being vertically disposed on the chassis at a position corresponding to the left hold-down rod; the right fixing rod is vertically arranged on the chassis at a position corresponding to the right holding rod;
the bottom of the left holding rod is in a hollow shape matched with the left fixing rod, and the bottom of the left holding rod is slidably sleeved outside the left fixing rod;
the bottom of the right holding rod is in a hollow shape matched with the right fixing rod, and the bottom of the right holding rod is slidably sleeved outside the right fixing rod.
10. The shifter of claim 6, wherein the support assembly further comprises a caster wheel disposed at a bottom of the chassis;
the bearing component, the chassis and the supporting rod are made of hollow metal materials.
CN201910941350.0A 2019-09-30 2019-09-30 Shifting machine Pending CN110638590A (en)

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Application Number Priority Date Filing Date Title
CN201910941350.0A CN110638590A (en) 2019-09-30 2019-09-30 Shifting machine

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111437038A (en) * 2020-03-26 2020-07-24 毛秀芹 Sterile surgical drape for ophthalmic surgery
CN112022569A (en) * 2020-09-23 2020-12-04 哈工大机器人（合肥）国际创新研究院 Position transfer device for disabled people
CN112914895A (en) * 2021-03-23 2021-06-08 合肥工业大学 Inconvenient patient nursing equipment moves about

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US7434278B2 (en) * 2005-06-29 2008-10-14 Elizabeth Ann White Apparatus for patient mobility
CN102100623A (en) * 2009-12-16 2011-06-22 林聪益 Shifting machine
CN108175597A (en) * 2018-03-19 2018-06-19 郑州爱博尔医疗设备有限公司 It is a kind of that there is the sick bed of patient transfer
CN109431719A (en) * 2018-12-27 2019-03-08 威海威高齐全医疗设备有限公司 A kind of electrically-operated shifting machine
CN110025435A (en) * 2019-05-21 2019-07-19 河南工学院 Hand Self-aiding type wheelchair with safe auxiliary body of climbing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7434278B2 (en) * 2005-06-29 2008-10-14 Elizabeth Ann White Apparatus for patient mobility
CN102100623A (en) * 2009-12-16 2011-06-22 林聪益 Shifting machine
CN108175597A (en) * 2018-03-19 2018-06-19 郑州爱博尔医疗设备有限公司 It is a kind of that there is the sick bed of patient transfer
CN109431719A (en) * 2018-12-27 2019-03-08 威海威高齐全医疗设备有限公司 A kind of electrically-operated shifting machine
CN110025435A (en) * 2019-05-21 2019-07-19 河南工学院 Hand Self-aiding type wheelchair with safe auxiliary body of climbing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111437038A (en) * 2020-03-26 2020-07-24 毛秀芹 Sterile surgical drape for ophthalmic surgery
CN111437038B (en) * 2020-03-26 2022-03-15 毛秀芹 Sterile surgical drape for ophthalmic surgery
CN112022569A (en) * 2020-09-23 2020-12-04 哈工大机器人（合肥）国际创新研究院 Position transfer device for disabled people
CN112914895A (en) * 2021-03-23 2021-06-08 合肥工业大学 Inconvenient patient nursing equipment moves about

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Application publication date: 20200103