CN110664568A - Portable shifter - Google Patents
Portable shifter Download PDFInfo
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- CN110664568A CN110664568A CN201911036828.1A CN201911036828A CN110664568A CN 110664568 A CN110664568 A CN 110664568A CN 201911036828 A CN201911036828 A CN 201911036828A CN 110664568 A CN110664568 A CN 110664568A
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- vertical pipe
- pipe
- flat belt
- outer vertical
- inner vertical
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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
- A61G7/1013—Lifting of patients by
- A61G7/1019—Vertical extending columns or mechanisms
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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
- A61G7/104—Devices carried or supported by
- A61G7/1046—Mobile bases, e.g. having wheels
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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
- A61G7/1073—Parts, details or accessories
- A61G7/1074—Devices foldable for storage
Abstract
A portable shifting machine comprises an outer vertical pipe and an inner vertical pipe, wherein the outer vertical pipe is a straight pipe with a hollow inner part, the bottom of the outer vertical pipe is a Y-shaped supporting seat, the inner vertical pipe is L-shaped, the vertical pipe body part of the inner vertical pipe is inserted into the outer vertical pipe from the pipe orifice at the top of the outer vertical pipe, the horizontal pipe body part of the inner vertical pipe is provided with a lifting arm pipe through a quick disassembly pin, each branch of the Y-shaped supporting seat is provided with three supporting pipes through the quick disassembly pin, the pipe orifice at the top of the outer vertical pipe is provided with a flat belt lifting push rod mechanism, the flat belt lifting push rod mechanism comprises a machine cover shell, a material winding wheel is arranged in the machine cover shell and is connected with a driving motor, the driving motor is connected with a power supply, a flat belt is wound on the material winding wheel, the flat belt extends into a; the portable shifting machine designed by the invention can fold the top cantilever pipe and the bottom supporting pipe, and simultaneously adopts the flat belt lifting type push rod mechanism to simplify the overall structure, so that the whole equipment is more flexible and is convenient to carry.
Description
Technical Field
The invention belongs to the technical field of shifting machines, and particularly relates to a portable shifting machine.
Background
In the clinical nursing work, the patients who can not take care of themselves in long-term bed rest life are very easy to cause bedsore due to long-term compression of local tissues and blood circulation disorder, and serious consequences can be caused if the patients are not prevented and nursed in time. Effective nursing measures are taken to change the body position and shift at regular time, so that a patient feels comfortable, complications such as weighing pneumonia, joint contracture and pressure sore are reduced, the recovery of an organism immune mechanism is promoted, the nursing risk is reduced better, and the occurrence of nursing accidents is prevented.
Common displacement aids: 1. a body position pad: the bed-ridden old people can use the wheelchair when the position of the bed-ridden old people is adjusted, and can use the wheelchair when the posture of the bed-ridden old people is unstable. 2. Sky rail shift system: the sky rail shifting system is the most advanced integral auxiliary shifting transfer system at present, is designed and completed integrally in new ward reconstruction and new medical institutions mostly, and consists of five parts, namely a rail, a turntable, a host, a hanging bracket and a hanging bag. 3. Shifting a machine: the shifting machine is a professional shifting lifter and can provide a flexible moving solution for the old in various nursing environments. In nursing environments such as hospital, old nursing center, asylum for the aged, family nursing center, private residence, all can use the machine of shifting to remove and transport patient to protection old person and nursing staff avoid because the danger that the old person of manual transport brought.
At the present stage, the shifting machine adopted in the market generally has the defects of complex structure, heavy equipment, complex use, inconvenience in carrying and the like, and the reasons are as follows: the conventional shifting machine leg supporting tube and the conventional suspension arm tube are generally very long, so that the overall size of the shifting machine is large, and the shifting machine is difficult to carry; meanwhile, the traditional shifting machine generally adopts a mode that a push rod motor is arranged at a folding part in the middle of a folding support rod to realize the lifting function of a rod body part, the push rod motor is generally a worm gear type push rod, the weight and the volume of the push rod can be increased along with the increase of the stroke of the push rod because the worm gear is made of steel materials, and the push rod can only bear axial force but not radial force, and can be normally used only by designing extra lever matching. The use of such a push rod by a displacement machine inevitably increases the weight and volume, and reduces the comfort and convenience of use.
Therefore, a portable shifter is needed to be designed, a foldable boom pipe and support pipe structure is adopted, the use of a worm and gear type push rod motor is eliminated, a flat belt lifting type push rod mechanism is used instead, the whole structure of the shifter is compact, the size is small, the weight is light, the carrying is convenient, and the size and the weight are not increased along with the increase of the stroke, so that the technical problems are effectively solved.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a portable shifting machine.
In order to achieve the above objects and other related objects, the present invention provides the following technical solutions: a portable shifting machine comprises an outer vertical pipe and an inner vertical pipe, wherein the outer vertical pipe is a straight pipe with a hollow inner part, the bottom of the outer vertical pipe is a Y-shaped supporting seat, the inner vertical pipe is L-shaped, the vertical pipe body part of the inner vertical pipe is inserted into the outer vertical pipe from the pipe orifice at the top of the outer vertical pipe, the horizontal pipe body part of the inner vertical pipe is provided with a lifting arm pipe through a quick-release pin, each branch of the Y-shaped supporting seat is provided with three supporting pipes through quick-release pins, and guide wheels are arranged on the three supporting pipes; the flat belt lifting type push rod mechanism is arranged at the position of a pipe orifice at the top of the outer vertical pipe and comprises a machine cover shell, a material winding wheel, a flat belt guide wheel, a driving motor and a power source are arranged inside the machine cover shell, the material winding wheel is connected with the driving motor, the driving motor is connected with the power source, the flat belt is wound on the material winding wheel, the flat belt passes through the flat belt guide wheel and extends into a gap between the outer vertical pipe and the inner vertical pipe from the position of the pipe orifice at the top of the outer vertical pipe, and meanwhile, the flat belt is fixed at the bottom of the inner vertical pipe.
Preferably, the inside mounting plate that is provided with of machine housing, the material reel and bandlet guide roller all fixes mounting plate's front, mounting plate's the back is provided with the reduction gear, the reduction gear includes gear wheel and pinion, the pinion sets up on driving motor's the output shaft, the pivot that the material reel mid portion set up is passed mounting plate with gear wheel connection, the gear wheel with pinion engagement.
Preferably, the left side and the right side of the bottom of the vertical pipe body of the inner vertical pipe are provided with lower balance guide wheel sets, and the left side and the right side of the pipe orifice at the top of the outer vertical pipe are provided with upper balance guide wheel sets which are fixed on the mounting bottom plate; the lower balance guide wheel set is respectively contacted with the inner wall surfaces of the left side and the right side of the outer vertical pipe, and the upper balance guide wheel set is respectively contacted with the outer surfaces of the left side and the right side of the inner vertical pipe.
Preferably, the outer surface of the upper side of the outer vertical pipe is provided with a ball type position switch, and the outer surface of the lower side of the inner vertical pipe is provided with a ball corresponding to the ball type position switch.
Preferably, the flat belt guide roller and the middle part of the material winding wheel are provided with an elastic shaft sleeve, the elastic shaft sleeve is fixed on the front surface of the mounting base plate, the back surface of the mounting base plate is provided with a spring piece type position switch, and the elastic shaft sleeve is connected with the spring piece type position switch.
Preferably, be provided with centrifugal lock mechanism on the gear wheel, centrifugal lock mechanism includes the locking lever, the locking lever rotationally sets up through the pin on the gear wheel, simultaneously fixed be provided with on the gear wheel with the corresponding baffle of locking lever.
The structural features of the above solution are explained as follows:
the scheme improves the whole shifting machine from two aspects, so that the shifting machine has the characteristics of compact structure, small volume, light weight and portability; in a first aspect: the foldable structure of the boom pipe and the supporting pipes is adopted, when the shifter is not needed to be used, the boom pipe at the top and the three supporting pipes at the bottom can be folded through the quick-release pins, so that the size of the whole shifter is reduced, the shifter is convenient to carry, and the folded shifter can be easily placed into a trunk of an automobile; in a second aspect: adopt bandlet lift-draw formula push rod mechanism to replace traditional turbine worm formula push rod motor, bandlet lift-draw formula push rod has replaced the worm gear of steel material among the traditional push rod owing to use the high strength to weave the bandlet, and macromolecular material's bandlet weight can be ignored for bandlet lift-draw formula push rod's weight and volume can not increase along with the increase of stroke. The flat belt lifting push rod can simultaneously bear radial force and axial force; the specific working principle is as follows: when the inner vertical pipe needs to be lifted upwards in the outer vertical pipe, the motor drives the material winding wheel to rotate, the material winding wheel starts to wind the flat belt in a rotating mode, the other end of the flat belt is fixed to the bottom of the inner vertical pipe, and the flat belt can pull the inner vertical pipe to be lifted upwards in the outer vertical pipe body while being wound by the material winding wheel; when the inner vertical pipe needs to descend in the outer vertical pipe, the motor rotates reversely, the material winding wheel rotates in the opposite direction to begin to lay the flat belt, the inner vertical pipe can fall down in the outer vertical pipe due to the action of gravity, but cannot fall down quickly due to the lifting action of the flat belt, the flat belt slowly descends along with the discharged length of the flat belt, the driving motor provides electric power support through the built-in power supply, an external power supply is not needed, and the shifter can be flexibly used in various occasions.
The rotation of the material winding wheel is driven by a motor, and a gear reducer is arranged between the material winding wheel and the motor to effectively control the rotation speed of the material winding wheel, so that the stability of the inner vertical pipe during the up-and-down lifting is ensured.
Go up balanced direction wheelset and the effect of balanced direction wheelset down and do: firstly, the smoothness of the inner vertical pipe during the up-and-down lifting is ensured, if the structure is not arranged, the inner vertical pipe can be contacted with the outer vertical pipe to generate friction, and the phenomenon of pipe body blocking easily occurs; secondly, the left balance guide wheel set and the right balance guide wheel set are arranged, so that the left balance degree and the right balance degree of the inner vertical pipe during up-down lifting can be guaranteed, and the phenomenon of pipe body deflection is avoided.
The ball type position switch can detect the rising position of the inner vertical pipe in the outer vertical pipe, when the inner vertical pipe rises to a certain height, balls on the inner vertical pipe can contact the ball type position switch fixed on the outer vertical pipe, and the ball type position switch immediately controls the driving motor to stop transmission, so that the inner vertical pipe does not rise any more, and the inner vertical pipe also represents that the inner vertical pipe has risen to the highest height.
The elastic sheet type position switch can detect the tightness degree of the flat belt, the elastic shaft sleeve clamps the flat belt, when the flat belt is in a tight state, the elastic shaft sleeve cannot touch the elastic sheet type position switch, and the whole equipment can normally work; when the flat belt is in a loosening state, the position of the elastic shaft sleeve can move downwards and simultaneously touch the elastic sheet type position switch, the elastic sheet type position switch can immediately control the driving motor to stop transmission, and the flat belt is in an abnormal working state and needs to be maintained.
The centrifugal lock mechanism arranged on the large gear mainly has the function of ensuring the overall safety performance of the shifter; the principle is as follows: when the driving motor is in a normal working state, the inner vertical pipe rises to the highest position and falls down under the action of gravity, the braking force generated by self-locking of the driving motor can ensure that the inner vertical pipe does not fall down, but if the driving motor breaks down, the inner vertical pipe can fall down suddenly from the highest position to cause great potential safety hazard, so that a centrifugal lock mechanism is arranged on a large gear coaxial with the material winding wheel, when the inner vertical pipe falls down in a weightless mode, the large gear can rotate suddenly at a high speed and generate great centrifugal force, the lock rod can rotate for a certain angle under the action of the centrifugal force so as to be blocked by a baffle plate, the whole large gear stops rotating immediately, the material winding wheel also stops rotating, the braking effect of the driving motor can be replaced under an emergency condition, the inner vertical pipe is prevented from falling quickly, and the overall safety performance.
The invention has the beneficial effects that: the portable shifting machine designed by the scheme adopts a hanging arm pipe and supporting pipe foldable structure, simultaneously cancels the use of a turbine worm type push rod motor, changes the structure into a flat belt lifting type push rod mechanism, has compact integral structure, small volume, light weight and convenient carrying, simultaneously does not increase the volume and the weight along with the increase of the stroke, does not have a structure similar to the flat belt lifting type push rod on the market of the current shifting machine, and has creativity.
Drawings
Fig. 1 is a schematic view of the overall structure of the shifter.
Fig. 2 is a schematic view of the working principle of the lifting type push rod mechanism.
Fig. 3 is a schematic view of the internal structure of the lift-pull push rod mechanism 1.
Fig. 4 is a schematic view of the internal structure of the lifting push rod mechanism 2.
Fig. 5 is a schematic view of the internal structure of the lifting push rod mechanism 3.
Fig. 6 is a schematic structural diagram of a ball type position switch.
Fig. 7 is a schematic diagram of a structure of a leaf spring type position switch.
Fig. 8 is a schematic view of a centrifugal lock mechanism.
In the above drawings, an inner vertical pipe 1, an outer vertical pipe 2, a boom pipe 3, a Y-shaped support seat 4, a support pipe 5, a guide wheel 6, a flat belt lifting type push rod mechanism 7, a machine cover 9, a material rolling wheel 10, a flat belt 11, a flat belt guide wheel 12, a driving motor 13, a large gear 14, a small gear 15, a spring sheet type position switch 16, a loose shaft sleeve 17, a ball type position switch 18, a lower balance guide wheel set 19, an upper balance guide wheel set 20, a lock rod 21, a baffle plate 22, an installation bottom plate 23, a power supply 24 and a pin 25.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 ~ and fig. 8, it should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only for the understanding and reading of the disclosure, and are not intended to limit the practical limitations of the present invention, so they have no technical significance, and any structural modifications, ratio changes or size adjustments should fall within the scope of the present invention without affecting the function and the achievable effect of the present invention.
Example (b): as shown in fig. 1, the portable shifting machine comprises an outer vertical pipe 2 and an inner vertical pipe 1, wherein the outer vertical pipe 2 is a straight pipe with a hollow inner part, the bottom of the outer vertical pipe 2 is a Y-shaped supporting seat 4, the inner vertical pipe 1 is L-shaped, the vertical pipe body part of the inner vertical pipe 1 is inserted into the outer vertical pipe 2 from the pipe orifice at the top of the outer vertical pipe 2, the horizontal pipe body part of the inner vertical pipe 1 is provided with a boom pipe 3 through a quick-release pin, meanwhile, each branch of the Y-shaped supporting seat 4 is provided with three supporting pipes 5 through the quick-release pin, and guide wheels 6 are arranged on the; a flat belt lifting push rod mechanism 7 is arranged at the top pipe orifice of the outer vertical pipe 2, the flat belt lifting push rod mechanism 7 comprises a machine cover shell 9, as shown in fig. 3-5, a material winding wheel 10, a flat belt 11, a flat belt guide wheel 12, a driving motor 13 and a power supply 24 are arranged inside the machine cover shell 9, the material winding wheel 10 is connected with the driving motor 13, the driving motor 13 is connected with the power supply 24, as shown in fig. 2, the flat belt 11 is wound on the material winding wheel 10, the flat belt 11 extends into a gap between the outer vertical pipe 2 and the inner vertical pipe 1 from the top pipe orifice of the outer vertical pipe 2 through the flat belt guide wheel 12, and meanwhile, the flat belt 11 is fixed at the bottom of the inner vertical pipe 1; the scheme improves the whole shifting machine from two aspects, so that the shifting machine has the characteristics of compact structure, small volume, light weight and portability; in a first aspect: by adopting the foldable structure of the boom pipe 3 and the supporting pipes 5, when the shifter is not needed to be used, the boom pipe 3 at the top and the three supporting pipes 5 at the bottom can be folded through the quick-release pins, so that the whole shifter is small in volume and convenient to carry, and the folded shifter can be easily put into a trunk of an automobile; in a second aspect: adopt bandlet lift-draw formula push rod mechanism 7 to replace traditional turbine worm formula push rod motor, bandlet lift-draw formula push rod has replaced the worm gear of steel material among the traditional push rod owing to use the high strength to weave the bandlet, and macromolecular material's bandlet weight can be ignored for bandlet lift-draw formula push rod's weight and volume can not increase along with the increase of stroke. The flat belt lifting push rod can simultaneously bear radial force and axial force; the specific working principle is as follows: as shown in fig. 2, when the inner vertical pipe 1 needs to be lifted upwards inside the outer vertical pipe 2, the motor drives the material winding wheel 10 to rotate, the material winding wheel 10 rotates to start winding the flat belt 11, and since the other end of the flat belt 11 is fixed at the bottom of the inner vertical pipe 1, the flat belt 11 can pull the inner vertical pipe 1 to be lifted upwards inside the pipe body of the outer vertical pipe 2 while being wound by the material winding wheel 10; when the inner vertical pipe 1 needs to descend in the outer vertical pipe 2, the motor rotates reversely, the material winding wheel 10 rotates reversely to start to release the flat belt 11, at the moment, the inner vertical pipe 1 can fall down in the outer vertical pipe 2 due to the action of gravity, but cannot fall down quickly due to the lifting action of the flat belt 11, the flat belt 11 slowly descends along with the released length of the flat belt 11, the driving motor 13 provides electric support through the built-in power supply 24, an external power supply is not needed, and the shifting machine can be flexibly used in various occasions.
The preferred embodiment is as follows:
as shown in fig. 3, a mounting base plate 23 is arranged inside the machine housing 9, the material winding wheel 10 and the flat belt guide wheel 12 are all fixed on the front surface of the mounting base plate 23, a speed reducer is arranged on the back surface of the mounting base plate 23, the speed reducer comprises a large gear 14 and a small gear 15, the small gear 15 is arranged on an output shaft of the driving motor 13, a rotating shaft arranged in the middle of the material winding wheel 10 penetrates through the mounting base plate 23 to be connected with the large gear 14, and the large gear 14 is meshed with the small gear 15; the rotation of the material winding wheel 10 is driven by a motor, and a gear reducer is arranged between the material winding wheel and the motor to effectively control the rotation speed of the material winding wheel 10, so that the stability of the inner vertical pipe 1 during the up-and-down lifting is ensured.
As shown in fig. 2, lower balance guide wheel sets 19 are arranged on the left and right sides of the bottom of the vertical pipe body of the inner vertical pipe 1, and upper balance guide wheel sets 20 are arranged on the left and right sides of the pipe orifice of the top of the outer vertical pipe 2, wherein the upper balance guide wheel sets 20 are fixed on a mounting bottom plate 23; the lower balance guide wheel set 19 is respectively contacted with the inner wall surfaces of the left side and the right side of the outer vertical pipe 2, and the upper balance guide wheel set 20 is respectively contacted with the outer surfaces of the left side and the right side of the inner vertical pipe 1; the upper balance guide wheel set 20 and the lower balance guide wheel set 19 have the following functions: firstly, the smoothness of the inner vertical pipe 1 during up-and-down lifting is ensured, if the structure is not arranged, the inner vertical pipe 1 can be contacted with the outer vertical pipe 2 to generate friction, and the phenomenon of pipe body blocking is easy to occur; secondly, the left balance guide wheel set and the right balance guide wheel set are arranged, so that the left balance degree and the right balance degree of the inner vertical pipe 1 during up-down lifting can be guaranteed, and the phenomenon of pipe body deflection is avoided.
As shown in fig. 6, a ball type position switch 18 is arranged on the outer surface of the upper side of the outer stand pipe 2, and balls corresponding to the ball type position switch 18 are arranged on the outer surface of the lower side of the inner stand pipe 1; the ball type position switch 18 can detect the rising position of the inner vertical pipe 1 in the outer vertical pipe 2, when the inner vertical pipe 1 rises to a certain height, the ball on the inner vertical pipe 1 can contact the ball type position switch 18 with a fixed position on the outer vertical pipe 2, and the ball type position switch 18 immediately controls the driving motor 13 to stop transmission, so that the inner vertical pipe 1 does not rise any more, and the inner vertical pipe 1 also represents that the inner vertical pipe 1 rises to the highest height.
As shown in fig. 7, a flexible shaft sleeve 17 is arranged on the flat belt 11 at the middle part of the flat belt guide wheel 12 and the material winding wheel 10, the flexible shaft sleeve 17 is fixed on the front surface of the installation bottom plate 23, a spring sheet type position switch 16 is arranged on the back surface of the installation bottom plate 23, and the flexible shaft sleeve 17 is connected with the spring sheet type position switch 16; the elastic sheet type position switch 16 can detect the tightness degree of the flat belt 11, the elastic shaft sleeve 17 clamps the flat belt 11, when the flat belt 11 is in a tightened state, the elastic shaft sleeve 17 cannot touch the elastic sheet type position switch 16, and the whole equipment can normally work; when the flat belt 11 is in the loose state, the position of the loose shaft sleeve 17 moves down and touches the elastic sheet type position switch 16, and the elastic sheet type position switch 16 immediately controls the driving motor 13 to stop transmission, which also means that the flat belt 11 is in an abnormal working state and needs to be maintained.
As shown in fig. 8, a centrifugal lock mechanism is arranged on the gearwheel 14, the centrifugal lock mechanism comprises a lock rod 21, the lock rod 21 is rotatably arranged on the gearwheel 14 through a pin 25, and a baffle 22 corresponding to the lock rod 21 is fixedly arranged on the gearwheel 14; the centrifugal lock mechanism arranged on the bull gear 14 mainly has the function of ensuring the overall safety performance of the shifter; the principle is as follows: when the driving motor 13 is in a normal working state, the inner vertical pipe 1 ascends to the highest position and falls down due to the action of gravity, the braking force generated by the self-locking of the driving motor 13 can ensure that the inner vertical pipe 1 does not fall, but if the driving motor 13 fails, the inner vertical pipe 1 suddenly falls from the highest position to cause great potential safety hazard, therefore, a centrifugal lock mechanism is arranged on the big gear 14 which is coaxial with the material roller 10, when the inner vertical pipe 1 is lost weight and falls, the big gear 14 can suddenly rotate at high speed and generate larger centrifugal force, under the action of centrifugal force, the lock rod 21 will rotate a certain angle and be blocked by the baffle plate 22, so that the whole gearwheel 14 stops rotating immediately, the material roller 10 also stops rotating, therefore, the braking effect of the driving motor 13 can be replaced in an emergency, the inner vertical pipe 1 is prevented from falling rapidly, and the overall safety performance of the shifter is improved.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a portable machine of shifting which characterized in that: the device comprises an outer vertical pipe and an inner vertical pipe, wherein the outer vertical pipe is a straight pipe with a hollow inner part, the bottom of the outer vertical pipe is a Y-shaped supporting seat, the inner vertical pipe is L-shaped, the vertical pipe body part of the inner vertical pipe is inserted into the outer vertical pipe from the pipe orifice at the top of the outer vertical pipe, the horizontal pipe body part of the inner vertical pipe is provided with a lifting arm pipe through a quick-release pin, each branch of the Y-shaped supporting seat is provided with three supporting pipes through the quick-release pin, and guide wheels are arranged on the three supporting pipes; the flat belt lifting type push rod mechanism is arranged at the position of a pipe orifice at the top of the outer vertical pipe and comprises a machine cover shell, a material winding wheel, a flat belt guide wheel, a driving motor and a power source are arranged inside the machine cover shell, the material winding wheel is connected with the driving motor, the driving motor is connected with the power source, the flat belt is wound on the material winding wheel, the flat belt passes through the flat belt guide wheel and extends into a gap between the outer vertical pipe and the inner vertical pipe from the position of the pipe orifice at the top of the outer vertical pipe, and meanwhile, the flat belt is fixed at the bottom of the inner vertical pipe.
2. The portable shifting machine according to claim 1, characterized in that: the inside mounting plate that is provided with of machine housing, the material reel and bandlet guide roller all fixes mounting plate's front, mounting plate's the back is provided with the reduction gear, the reduction gear includes gear wheel and pinion, the pinion sets up on driving motor's the output shaft, the pivot that the material reel mid portion set up is passed mounting plate with gear wheel connection, the gear wheel with pinion engagement.
3. The portable shifting machine according to claim 2, characterized in that: lower balance guide wheel sets are arranged on the left side and the right side of the bottom of the vertical pipe body of the inner vertical pipe, and upper balance guide wheel sets are arranged on the left side and the right side of the pipe orifice at the top of the outer vertical pipe and fixed on the mounting bottom plate; the lower balance guide wheel set is respectively contacted with the inner wall surfaces of the left side and the right side of the outer vertical pipe, and the upper balance guide wheel set is respectively contacted with the outer surfaces of the left side and the right side of the inner vertical pipe.
4. The portable shifting machine according to claim 1, characterized in that: the outer surface of the upper side of the outer vertical pipe is provided with a ball type position switch, and the outer surface of the lower side of the inner vertical pipe is provided with a ball corresponding to the ball type position switch.
5. The portable shifting machine according to claim 2, characterized in that: the flat belt guide idler wheel and the material winding wheel middle part are provided with elastic shaft sleeves on the flat belt, the elastic shaft sleeves are fixed on the front surface of the mounting base plate, elastic sheet type position switches are arranged on the back surface of the mounting base plate, and the elastic shaft sleeves are connected with the elastic sheet type position switches.
6. The portable shifting machine according to claim 2, characterized in that: the gear wheel is provided with a centrifugal lock mechanism, the centrifugal lock mechanism comprises a lock rod, the lock rod is rotatably arranged on the gear wheel through a pin, and meanwhile, a baffle corresponding to the lock rod is fixedly arranged on the gear wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911036828.1A CN110664568A (en) | 2019-10-29 | 2019-10-29 | Portable shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911036828.1A CN110664568A (en) | 2019-10-29 | 2019-10-29 | Portable shifter |
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| Publication Number | Publication Date |
|---|---|
| CN110664568A true CN110664568A (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911036828.1A Pending CN110664568A (en) | 2019-10-29 | 2019-10-29 | Portable shifter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3967286A1 (en) * | 2020-09-11 | 2022-03-16 | Invacare International GmbH | Patient lift apparatus |
| WO2022053918A2 (en) | 2020-09-11 | 2022-03-17 | Invacare International Gmbh | Patient lift apparatus |
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| WO2022053918A2 (en) | 2020-09-11 | 2022-03-17 | Invacare International Gmbh | Patient lift apparatus |
| WO2022053918A3 (en) * | 2020-09-11 | 2022-04-21 | Invacare International Gmbh | Patient lift apparatus |
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Application publication date: 20200110 |