CN219721143U - Hand-operated lifting shifter - Google Patents
Hand-operated lifting shifter Download PDFInfo
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- CN219721143U CN219721143U CN202320636311.1U CN202320636311U CN219721143U CN 219721143 U CN219721143 U CN 219721143U CN 202320636311 U CN202320636311 U CN 202320636311U CN 219721143 U CN219721143 U CN 219721143U
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- gear
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- screw rod
- upright post
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- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000005452 bending Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 3
- 238000005267 amalgamation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 210000001217 buttock Anatomy 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 210000002414 leg Anatomy 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000013872 defecation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
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- Invalid Beds And Related Equipment (AREA)
Abstract
The utility model provides a hand-operated lifting shifter which comprises a foot, an upright post and seat supports, wherein the foot, the upright post and the seat supports are sequentially connected from bottom to top, universal wheels are arranged on the lower sides of the foot, foot pedals are further arranged on the foot, the top end of each upright post is provided with a handle, the seat supports are fixedly connected with the upright post through connecting pieces, the number of the upright posts is two, the two upright posts respectively comprise an inner pipe, an outer pipe and a lifting mechanism, the lower end of the inner pipe is fixedly connected with the foot, the upper end of the outer pipe is fixedly connected with the handle, and the outer pipe can ascend and descend along the inner pipe under the driving of the lifting mechanism. The utility model has the advantages that: structural design is reasonable, and the simple operation goes up and down conveniently, improves user's use comfort.
Description
Technical Field
The utility model relates to the technical field of displacement machines, in particular to a hand-operated lifting displacement machine.
Background
When a nursing staff moves a patient with inconvenient legs or the elderly, the traditional method adopts the modes of carrying, lifting, holding and the like, which is time-consuming and labor-consuming and also extremely easy to cause secondary injury of the patient.
At present, a hand-push type shifter is introduced in the market, and patients or old people can be moved between positions such as a wheelchair, a sofa, a bed, a toilet and the like through the shifter. However, the existing core component of the shifter, namely the lifting mechanism, has the disadvantages of complex structure, inconvenient operation, poor user experience, higher manufacturing cost, large packaging space and inconvenient terminal installation after sale.
Disclosure of Invention
The utility model aims to provide a hand-operated lifting shifter which is reasonable in structural design, convenient to lift, capable of improving use comfort and convenient to assemble, disassemble and transport.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme:
the utility model provides a hand lift shifter, is equipped with the universal wheel by supreme footing, stand, the seat support that links to each other in proper order that is equipped with of bottom foot downside, still is equipped with the running-board on the footing, and the stand top is equipped with holds up the handle, and the seat support passes through the connecting piece and is connected fixedly with the stand, the stand is two, includes inner tube, outer tube and elevating system respectively, inner tube lower extreme and footing fixed connection, outer tube upper end and hold up handle fixed connection, the outer tube can follow the inner tube and rise down under elevating system's drive.
Further, the lifting mechanism comprises a gear box body, a hand rocker, a gear set, a bearing, a screw rod and a nut, wherein the screw rod, the inner tube and the outer tube are arranged in sequence from inside to outside; the gear box body is fixed at the top of the outer tube, the gear set in the gear box body drives the screw rod to rotate through the driving of the hand rocker, the top end of the screw rod is connected with the inner ring of the bearing in a penetrating way, and the outer ring of the bearing is fixed in the gear box body; the nut is fixed in the inner tube top, and the lead screw is connected with the nut spiro union, and the lead screw drives the outer tube and goes up and down when rotatory.
Further, the bottom of the outer tube is provided with a sliding sleeve, and the sliding sleeve is made of plastic materials and can play a role in guiding lifting of the outer tube.
Further, the bottom end of the screw rod is provided with a limit ring, so that the screw rod can be prevented from punching out of the nut.
Further, a transmission rod is arranged between the upright posts, and two ends of the transmission rod are respectively inserted into the gear box body of each upright post and are meshed with the gear sets.
Further, the outside of the transmission rod is provided with a protective cover, and two ends of the protective cover are respectively fixed on the outer tubes of the two upright posts.
Further, the gear set comprises a first gear, a second gear and a third gear, the second gear is meshed with the third gear, the third gear is meshed with the first gear, the hand crank is inserted into a hexagonal hole in the center of the second gear and drives the second gear to rotate, the screw rod is inserted into a hexagonal hole in the center of the third gear, and two ends of the transmission rod are respectively inserted into a hexagonal hole in the center of the first gear in each upright post.
Further, the sleeve is fixed on the upright post, and the bending vertical pipe arranged on the seat support is fixedly connected with the upright post through the penetrating connection in the sleeve.
Further, the seat support is including seat left socle and the seat right branch frame that the symmetry set up, and seat left socle and seat right branch frame are connected fixedly through catch piece and the hasp seat that sets up respectively on it, and seat left socle and seat right branch frame bottom are fixed connection seat left backing plate and seat right backing plate respectively, and the middle part forms circular breach after seat left backing plate and the seat right backing plate amalgamation.
Further, the handle is of a bending design, and a handle is arranged at the bending tail end of the handle.
Compared with the prior art, the utility model has the following advantages:
the hand-operated lifting shifter disclosed by the utility model has the advantages of reasonable structural design, convenience in operation and convenience in lifting, and improves the use comfort of users. Specifically, the lifting of the shifter is realized through the two lifting upright posts which are symmetrically arranged, and the lifting operation of one side can realize the synchronous lifting of two sides; the seat support is connected with the upright post through the bending upright pipe which is connected in the sleeve of the upright post in a penetrating way, and the seat support can freely rotate in the sleeve.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a hand-operated lifting shifter according to the present utility model.
Fig. 2 is a schematic side view of a hand-operated lifting shifter according to the present utility model.
Fig. 3 is a schematic top view of a hand-operated lifting shifter according to the present utility model.
Fig. 4 is a schematic view of section A-A of fig. 2.
Fig. 5 is a schematic exploded view of the structure of the column (screw, inner tube, outer tube) of the present utility model.
Fig. 6 is an enlarged schematic view of the structure at B of fig. 5.
Reference numerals: 1. a footing; 2. a column; 21. an inner tube; 22. an outer tube; 231. a gear housing; 232. a hand rocker; 2331. a first gear; 2332. a second gear; 2333. a third gear; 234. a bearing; 235. a screw rod; 236. a nut; 24. a sliding sleeve; 25. a limit ring; 3. a seat support; 4. a universal wheel; 5. a foot pedal; 6. a handle; 7. a transmission rod; 8. a sleeve; 9. a seat cushion plate; 10. a connecting rod; 11. and (5) a cushion.
Description of the embodiments
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, a hand-operated lifting shifter comprises a foot 1, a stand column 2 and a seat support 3 which are sequentially connected from bottom to top, wherein the foot 1 is composed of two parallel vertical rods and a cross rod between the vertical rods, the cross rod is arranged back and perpendicular to the vertical rods, universal wheels 4 are arranged on the lower sides of two ends of each vertical rod, four universal wheels 4 are arranged in total, two universal wheels 4 arranged back have a braking function, and a pair of foot pedals 5 are arranged on the cross rod for a patient to place two feet. The seat support is characterized in that a handle 6 is arranged at the top end of the upright post 2, the seat support 3 is fixedly connected with the upright post 2 through a connecting piece, the two upright posts 2 respectively comprise an inner tube 21, an outer tube 22 and a lifting mechanism, the lower end of the inner tube 21 is fixedly connected with the bottom foot 1, the upper end of the outer tube 22 is fixedly connected with the handle 6, and the outer tube 22 can ascend and descend along the inner tube 21 under the driving of the lifting mechanism.
The lifting mechanism, the outer tube 22 and the inner tube 21 can be independently detached as a single body as an independent module, so that modularization is realized, and the lifting mechanism is convenient to install, detach and maintain.
Specifically, the lifting mechanism comprises a gear box 231, a hand lever 232, a gear set, a bearing 234, a screw rod 235 and a nut 236, wherein the screw rod 235, the inner tube 21 and the outer tube 22 are arranged in sequence from inside to outside as shown in fig. 5; the gear box body 231 is fixed at the top of the outer tube 22, a gear set in the gear box body 231 drives the screw rod 235 to rotate through the driving of the hand rocker 232, the top end of the screw rod 235 is connected with the inner ring of the bearing 234 in a penetrating way, and the outer ring of the bearing 234 is fixed on the gear box body 231; the nut 236 is fixed on the top of the inner tube 21, the screw rod 235 is in threaded connection with the nut 236, and the screw rod 235 drives the outer tube 22 to lift while rotating. As shown in fig. 6, the gear set includes a first gear 2331, a second gear 2332 and a third gear 2333, the second gear 2332 is meshed with the third gear 2333, the third gear 2333 is meshed with the first gear 2331, the hand crank 232 is inserted into a hexagonal hole in the center of the second gear 2332 and drives the second gear 2332 to rotate, the screw 235 is inserted into a hexagonal hole in the center of the third gear 2333, a transmission rod 7 is arranged between the upright posts 2, two ends of the transmission rod 7 are respectively inserted into a hexagonal hole in the center of the first gear 2331 in each upright post 2, and the transmission rod 7 can transmit the stress of one side upright post 2 to the other side upright post 2. The outside of the transmission rod 7 is provided with a protective cover, and two ends of the protective cover are respectively fixed on the outer tubes 22 of the two upright posts 2.
As shown in fig. 4, the lifting principle of the hand-operated lifting shifter of the utility model is as follows: when the hand lever 232 on the single-side upright post 2 swings clockwise/anticlockwise to rotate, the second gear 2332 of the gear set rotates and drives the third gear 2333 to rotate, so that the screw rod 235 and the nut 236 perform relative rotation, and the screw rod 235 drives the outer tube 22 to do linear lifting/lowering movement; meanwhile, the gear III 2333 drives the gear I2333 to rotate so as to drive the transmission rod 7 to rotate, one end of the transmission rod 7 rotates so as to drive the other end of the transmission rod to rotate, the gear II 2332 on the upright post 2 on the other side also rotates, the gear II 2332 drives the gear III 2333 to rotate, and accordingly the screw rod 235 on the upright post 2 on the other side also synchronously drives the outer tube 22 to do linear lifting/lowering motion.
Preferably, as shown in fig. 5, a sliding sleeve 24 is disposed at the bottom of the outer tube 22, and the sliding sleeve 24 is made of plastic material, so as to guide the lifting of the outer tube 22, thereby isolating scratches caused by hard contact between the outer tube 22 and the inner tube 21, and limiting the front-back and left-right swing of the outer tube 22, and increasing the stability in the lifting process. The bottom end of the screw rod 235 is provided with a limit ring 25, so that the screw rod 235 can be prevented from punching out of the nut 236.
As shown in fig. 1, 2 and 3, the upright post 2 is fixed with a sleeve 8, and a bending vertical pipe arranged on the seat support 3 is fixedly connected with the upright post 2 through penetrating through the sleeve 8. Specifically, the seat support 3 includes seat left socle and seat right branch frame that the symmetry set up, the rear side of seat left socle and seat right branch frame is equipped with the standpipe of buckling downwards respectively, the standpipe of buckling is pegged graft in sleeve 8 on stand 2 and can rotate relatively in sleeve 8, seat left socle and seat right branch frame are fixed through the hasp piece and the hasp seat connection that set up respectively on it, i.e. on the left seat support was located to the hasp piece, on the right seat support was located to the hasp piece, on the left seat support was located to the hasp seat, through hasp piece and hasp seat connection fixation when left seat support and right seat support were drawn together. The bottom of the left seat support and the bottom of the right seat support are respectively and fixedly connected with a left seat cushion plate and a right seat cushion plate, the left seat cushion plate and the right seat cushion plate are spliced to form a seat cushion plate 9, a circular notch is formed in the middle of the spliced left seat cushion plate and the right seat cushion plate, and a bedpan is conveniently placed below the seat cushion plate 9 for defecation of a patient. The seat cushion plate 9 can be provided with a cushion 11, and the cushion 11 can be made of PU material or rubber material.
The handle 6 is of a bending design, and the bending tail end of the handle 6 is provided with a massage handle, so that the hand friction force and the hand feeling are increased, and the shifter is pushed. A connecting rod 10 is arranged between the upper sections of the handles 6, so that a patient can easily lean the wrist or the arm on the connecting rod 10.
The application method of the hand-operated lifting shifter comprises the following steps: the rocking bar 232 is operated to adjust the seat support 3 to a proper height, the locking piece connected and fixed on the locking seat is opened on the seat support 3, the left seat support and the right seat support are properly separated, the patient himself or herself or the medical staff assists the lower half body of the patient to be positioned at the middle position surrounded by the left seat support and the right seat support, one seat support is slowly closed, the buttocks of the patient are moved to the seat cushion of the support, then the other seat support is closed, the buttocks of the patient are moved to the seat cushion of the left seat support and the right seat support, the two legs naturally drop, and the feet are lapped on the pedal 5; the left seat support and the right seat support are folded, and after a patient sits stably, the locking piece is connected and fixed on the locking seat; the medical staff or the patient rotates one side or simultaneously rotates the hand bars 232 of the upright posts 2 at the two sides along one direction to lift the seat support 3 to a comfortable position; finally, the medical staff can push the shifter by holding the handles with two hands.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the concept of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (8)
1. The utility model provides a hand lift shifter, is equipped with the universal wheel by supreme footing, stand, the seat support that links to each other in proper order of down, the underfoot downside still is equipped with the running-board on the footing, and the stand top is equipped with holds up the handle, and the seat support passes through the connecting piece and is connected fixedly its characterized in that with the stand: the two upright posts respectively comprise an inner pipe, an outer pipe and a lifting mechanism, wherein the lower end of the inner pipe is fixedly connected with the bottom foot, the upper end of the outer pipe is fixedly connected with the handle, and the outer pipe can ascend and descend along the inner pipe under the driving of the lifting mechanism;
the lifting mechanism comprises a gear box body, a hand rocker, a gear set, a bearing, a screw rod and a nut, wherein the screw rod, the inner tube and the outer tube are sequentially arranged from inside to outside; the gear box body is fixed at the top of the outer tube, the gear set in the gear box body drives the screw rod to rotate through the driving of the hand rocker, the top end of the screw rod is connected with the inner ring of the bearing in a penetrating way, and the outer ring of the bearing is fixed in the gear box body; the screw rod is in threaded connection with the nut, and drives the outer tube to lift while rotating;
and a transmission rod is arranged between the upright posts, and two ends of the transmission rod are respectively inserted into the gear box body of each upright post and are meshed with the gear sets.
2. A hand lift shifter according to claim 1, wherein: the outer tube bottom is equipped with the sliding sleeve, and the sliding sleeve adopts plastic material to make, can play the guide effect to the lift of outer tube.
3. A hand lift shifter according to claim 1 or 2, wherein: and the bottom end of the screw rod is provided with a limit ring, so that the screw rod can be prevented from punching out of the nut.
4. A hand lift shifter according to claim 3, wherein: and a protective cover is arranged on the outer side of the transmission rod, and two ends of the protective cover are respectively fixed on the outer tubes of the two stand columns.
5. A hand lift shifter in accordance with claim 4 wherein: the gear set comprises a first gear, a second gear and a third gear, the second gear is meshed with the third gear, the third gear is meshed with the first gear, the hand crank is inserted into a hexagonal hole in the center of the second gear and drives the second gear to rotate, the screw rod is inserted into a hexagonal hole in the center of the third gear, and two ends of the transmission rod are respectively inserted into a hexagonal hole in the center of the first gear in each upright post.
6. A hand lift shifter according to claim 1, wherein: the seat support is characterized in that a sleeve is fixed on the upright post, and a bending vertical pipe arranged on the seat support is fixedly connected with the upright post through a penetrating connection in the sleeve.
7. A hand lift shifter in accordance with claim 6 wherein: the seat support is including seat left socle and the seat right branch frame that the symmetry set up, and seat left socle and seat right branch frame are connected fixedly through catch piece and the hasp seat that sets up respectively on it, and seat left socle and seat right branch frame bottom are fixed connection seat left backing plate and seat right backing plate respectively, and the middle part forms circular breach after seat left backing plate and the right backing plate amalgamation.
8. A hand lift shifter according to claim 1, wherein: the handle is of a bending design, and the bending tail end of the handle is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320636311.1U CN219721143U (en) | 2023-03-28 | 2023-03-28 | Hand-operated lifting shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320636311.1U CN219721143U (en) | 2023-03-28 | 2023-03-28 | Hand-operated lifting shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219721143U true CN219721143U (en) | 2023-09-22 |
Family
ID=88030026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320636311.1U Active CN219721143U (en) | 2023-03-28 | 2023-03-28 | Hand-operated lifting shifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219721143U (en) |
-
2023
- 2023-03-28 CN CN202320636311.1U patent/CN219721143U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |