Single-stand-column shifting machine

Abstract

The utility model discloses a single stand column shifting machine which comprises a left bottom trundle seat, a front bottom stand column seat, a right bottom trundle seat, a single three-dimensional stand column, a left half seat, a right half seat and a seat cushion. The inner side of the left bottom trundle seat is detachably connected and fixed with the left side of the front bottom stand column seat in an inserted manner, and the inner side of the right bottom trundle seat is detachably connected and fixed with the right side of the front bottom stand column seat in an inserted manner; the bottom section of the single three-dimensional column is detachably connected and fixed to the top of the middle of the front bottom stand column base in an inserted mode. The front upper right corner of the left half seat is detachably hinged to the left side of the top of the single three-dimensional column, and the front upper left corner of the right half seat is detachably hinged to the right side of the top of the single three-dimensional column; a left half seat and a right half seat are arranged on the rear portion of the single three-dimensional column, the left half seat can horizontally rotate in the left circumferential direction relative to the single three-dimensional column, and the right half seat can horizontally rotate in the right circumferential direction relative to the single three-dimensional column. The seat cushion is detachably placed on a common seat plate of the left half seat and the right half seat; the product adopts a modular design, and each large part is packaged in a split manner, so that the packaging volume is convenient to compress.

Description

Technical Field

[0001] This utility model relates to a patient transfer vehicle, and more particularly to a single-column transfer machine. Background Technology

[0002] 1. Chinese Patent Document Publication No.: CN213076333U discloses a shifting machine, including a base (10) with support legs (11), a lifting column (20) installed above the base (10), and a shifting auxiliary mechanism (30) mounted on the lifting column (20) for assisting shifting. The shifting auxiliary mechanism (30) is provided with a shifting auxiliary frame (31). The shifting auxiliary frame (31) has a backrest (311) and handrails (312) distributed on both sides. The handrails (312) are arranged in the horizontal direction. The handrails (312) are provided with a length adjustment device (3122) arranged in the length direction for adjusting the extension length of the handrails (312). The length adjustment device (3122) includes a support rod (31221) arranged horizontally, a telescopic tube (31222) sleeved on the support rod (31221), and a fixing member (31223) provided on the telescopic tube (31222). The support rod (31221) extends into the telescopic tube (31222) and is fixed by the fixing member (31223). The telescopic tube (31222) has a through hole in its wall, and one end of the fixing member (31223) passes through the through hole and fixes the support rod (31221) extending into the telescopic tube (31222). The handrail (3122) is provided with a guardrail (3121). A roller (3123) is provided above the handrail (312). The backrest (311) is detachably connected to the armrest (312). The end of the armrest (312) is provided with a sleeve (3124) arranged vertically. The two sides of the backrest (311) are provided with corresponding insertion pipes (3111) that match the sleeve (3124). The lifting column (20) is provided with a height adjustment device (40) for adjusting the height of the lifting column (20). The height adjustment device (40) is a manual height adjustment device or an electric height adjustment device. The shifting auxiliary mechanism (30) is hinged to the lifting column (20). The shifting machine also includes an auxiliary pushing device (50) provided on the lifting column (20) for assisting pushing. The auxiliary pushing device (50) is a handrail (51) provided at the front end of the lifting column (20). The base (10) is provided with a leg angle adjustment device (60) for adjusting the angle of the outrigger. The outrigger angle adjustment device (60) includes a swing rod (61), a locking block (62) provided on one side of the swing rod (61) for fixing the swing rod (61), and a connecting rod (63) connecting the swing rod (61) and the outrigger (11). Under the drive of the swing rod (61), the connecting rod (63) deflects the outrigger (11).

[0003] The aforementioned transfer machine is the closest in structure to similar products. It has a frame structure, is large in size, and has relatively open space on the left and right sides of the machine and above and below the seat. Manufacturers usually assemble the machine as a whole, and customers can use it directly after purchase. However, it is large in size, has a large packaging box, occupies a lot of space, and has high storage, packaging and transportation costs. Due to its large size, it is difficult for movers to move, carry or lift, and loading and unloading are troublesome.

[0004] 2. Chinese Patent Publication No. CN214713198U discloses a multifunctional transfer machine, including a base 1. A first support leg 2 and a second support leg 3 are respectively provided on the front sides of both ends of the base 1, and both the first support leg 2 and the second support leg 3 are movably connected to the base 1. A connecting rod 4 is fixedly provided near one end of each of the first support leg 2 and the second support leg 3, and the connecting ends of the two connecting rods 4 are movably connected via a rotating shaft. A telescopic motor 5 is provided at the top of each connecting rod 4, and the connecting ends of the two connecting rods 4 are connected to the telescopic motor 5 via a telescopic shaft. The telescopic motor 5 is fixedly mounted on the base 1. At the center of the inner cavity, a support rod 9 is fixedly provided at the top center of the base 1. A sleeve 10 is movably provided on the outer side of the top of the support rod 9. An electric push rod 11 is fixedly provided at the top of the inner cavity of the sleeve 10, and the telescopic shaft of the electric push rod 11 abuts against the top of the support rod 9. A support block 12 is provided at the top of the sleeve 10, and the back side of the support block 12 is movably connected to the sleeve 10 through a rotating shaft. A crossbeam frame 13 is fixedly provided in the middle of the support block 12. A bracket 14 is fixedly provided on the front side of both ends of the crossbeam frame 13. A support strap 15 is provided at the bottom between the two brackets 14, and the support strap 15 is detachably connected to the bracket 14.Each of the first support leg 2 and the second support leg 3 has a first universal wheel 6 at one end of its bottom. Each of the first support leg 2 and the second support leg 3 has a support pulley 7 on its opposite side. Each of the two ends of the base 1 has a second universal wheel 8 on its back side. The two first universal wheels 6 are movably connected to the first support leg 2 and the second support leg 3, respectively. The two support pulleys 7 are connected to the first support leg 2 and the second support leg 3, respectively, via connecting frames. The two second universal wheels 8 are connected to the base 1 via connecting frames. Each of the brackets 14 has a hanging ring 16 fixedly attached to its bottom. Both ends of the support strap 15 have hanging rings 17 corresponding to the positions of the hanging rings 16. There are two sets of hanging rings 16 and 17, with three hanging rings 16 and 17 in each set. The hanging rings 17 are hooked onto the hanging rings 16. Handrails 18 are fixedly attached to the top of both brackets 14. Handles 19 are fixedly attached to the top of both ends of the crossbeam frame 13. A battery 20 is fixedly attached to one side of the top of the sleeve 10. A control switch 21 is fixedly provided on one side of the battery 20, and a remote control 22 is provided on the other side of the battery 20. The remote control 22, the control switch 21 and the battery 20 are connected in series. A bracket is fixedly provided on the top side of the remote control 22, and the remote control 22 is connected to one of the supports 14 through the bracket. The first support leg 2 and the second support leg 3 are both composed of a support and a support leg. The support leg and the support are movably connected through a pivot. The top of the support is provided with a bolt, and the bolt is threadedly connected to the support and the support leg in sequence. The telescopic motor 5 and the electric push rod 11 are electrically connected to the remote control 22. The remote control 22 controls the positive and negative power connection and power disconnection of the telescopic motor 5 and the electric push rod 11. The handrail 18 is provided to facilitate the placement of the patient's hand. The handle 19 is provided to facilitate the manual flipping of the support block 13 and the manual pushing of the base 1. After the bolt is turned upward, the support leg can be flipped upward at the end of the support through the pivot, which further facilitates the folding and retraction of the transfer machine.

[0005] The aforementioned multi-functional transfer machine is the closest in structure to similar products. It has a frame structure, is large in size, and has relatively empty space on the left and right sides of the machine and above and below the seat. Manufacturers usually assemble the machine as a whole, and customers can use it directly after purchase. However, it is large in size, has a large packaging box, occupies a lot of space, and has high storage, packaging and transportation costs. Due to its large size, it is difficult for movers to carry, lift or raise, and loading and unloading are troublesome. Utility Model Content

[0006] To solve the above-mentioned technical problems, this utility model provides a single-column shifting machine with a reasonable structural design, which is easy to disassemble, compress, package, and assemble.

[0007] The solution to the above technical problem is as follows:

[0008] A single-column moving machine includes a left bottom caster seat, a front bottom column seat, a right bottom caster seat, a single column, a left half seat, a right half seat, and a seat cushion;

[0009] The left and right base caster seats are arranged axially in a front-to-back manner and are symmetrical and parallel to each other; the front base column seat is arranged laterally relative to the left and right base caster seats; the front base column seat is located at the front of the left and right base caster seats.

[0010] The inner side of the left bottom caster seat is detachably connected and fixed to the left side of the front bottom column seat, and the inner side of the right bottom caster seat is detachably connected and fixed to the right side of the front bottom column seat.

[0011] The bottom section of the single-column column is detachably plugged into the top of the front bottom column base for fixation;

[0012] The upper right corner of the left half seat is detachably hinged to the top left side of the single column, and the upper left corner of the right half seat is detachably hinged to the top right side of the single column; the left half seat and the right half seat are arranged at the rear of the single column. The left half seat can rotate horizontally to the left relative to the single column, and the right half seat can rotate horizontally to the right relative to the single column.

[0013] The seat cushion is removable and placed on the common seat board for the left and right halves of the seat.

[0014] The beneficial effects of this single-column shifting machine are as follows: This single-column shifting machine is designed as a modular unit consisting of a left bottom caster seat, a front bottom column seat, a right bottom caster seat, a single column, a left half seat, a right half seat, and a seat cushion. This modular design forms a large modular component, with each component forming an independent unit. Corresponding components are detachably connected. During factory packaging, the manufacturer can compress and stack these modular components, significantly reducing packaging size. Smaller packaging allows for the use of energy-saving packaging materials (e.g., paper products, internal protective plastic wrapping), reducing environmental pollution and promoting a more low-carbon and environmentally friendly product. The smaller packaging box also strengthens its structural integrity (hardness), making it less prone to crushing or damaging products. It facilitates handling, loading and unloading, and requires less storage space. Overall, it reduces production costs. The smaller packaging box allows for the storage of more goods within the same volume, increasing cargo capacity and reducing transportation costs. This is particularly beneficial for export ocean shipping, significantly reducing transportation costs and enhancing enterprise competitiveness. After receiving the goods, consumers can simply assemble them according to the assembly instructions for the single-column relocation machine, or have the physical store operator help with the installation. Attached Figure Description

[0015] Figure 1 , Figure 2 , Figure 3This is a perspective view of the product of this utility model;

[0016] Figure 4 , Figure 5 This is an exploded view of the product of this utility model;

[0017] Figure 6 , Figure 7 , Figure 8 This is an exploded view of the front bottom column base and single solid column of the present utility model product;

[0018] Figure 9 , Figure 10 , Figure 11 This is a split view of the single solid column of the present utility model product;

[0019] Figure 12 This is a perspective view of the product of this utility model;

[0020] Figure 13 yes Figure 12 The right view;

[0021] Figure 14 yes Figure 12 The left view;

[0022] Figure 15 yes Figure 12 The main view;

[0023] Figure 16 yes Figure 12 Rear view.

[0024] Left bottom caster seat 1, left front caster 11, left side bottom flat axle beam 12, left inner crossbeam 13, left rear caster 14, front bottom column seat 2, left side crossbeam tube 21, square column tube 22, locking through hole one 221, lower gap filling square short tube shell 222, locking through hole two 223, column locking rod 224, right side crossbeam tube 23, left gap square through hole plastic shell 24, left lower bolt hole 25, left lower screw 26. Bolt; 27. Right clearance square through-hole plastic shell; 28. Right lower bolt hole; 29. ​​Right lower bolt; 3. Right bottom caster seat; 31. Right front caster; 32. Right bottom flat axle beam; 33. Right inner crossbeam; 34. Right rear caster; 4. Single column; 41. Square column core; 42. Square column outer sleeve; 43. Lifting adjustment device; 431. L-shaped hand crank; 432. Upper end cover; 4321. Cover through hole; 433. Upper bearing seat. Top horizontal bearing 434, top screw assembly 435, internal threaded through hole 4351, threaded vertical rod 436, upper gap filling square short tube shell 44, upper left hinge fixing part 45, left front wall notch 451, upper left locking pin 46, upper right hinge fixing part 47, right front wall notch 471, upper right locking pin 48, left half seat 5, left front vertical short tube 51, left front crossbar 52, left front vertical bar 53, left trolley handle Handrail 531, left seat backrest integrated curved bar 54, left seat panel 55, left backrest panel 56, right half seat 6, right front vertical short tube 61, right front cross bar 62, right front vertical bar 63, right trolley armrest 631, right seat backrest integrated curved bar 64, right seat panel 65, right backrest panel 66, seat belt buckle 67, seat cushion 7, locking and unlocking device 8, U-shaped positioning component 81, lock hook 82, lock pin 83. Detailed Implementation

[0025] like Figures 1 to 16 As shown: A single-column moving machine includes a left bottom caster seat 1, a front bottom column seat 2, a right bottom caster seat 3, a single column 4, a left half seat 5, a right half seat 6, and a seat cushion 7.

[0026] The left bottom caster seat 1 and the right bottom caster seat 3 are arranged axially in a front-to-back manner and are symmetrically parallel to each other with consistent spacing of 60 cm to 80 cm. The front bottom column seat 2 is arranged laterally relative to the left bottom caster seat 1 and the right bottom caster seat 3. The front bottom column seat 2 is located at the front of the left bottom caster seat 1 and the right bottom caster seat 3. The left half seat 5 and the right half seat 6 are located above the rear of the left bottom caster seat 1 and the right bottom caster seat 3, with an elevated design.

[0027] The inner side of the left bottom caster seat 1 is detachably connected and fixed to the left side of the front bottom column seat 2, and the inner side of the right bottom caster seat 3 is detachably connected and fixed to the right side of the front bottom column seat 2.

[0028] The bottom section of the single solid column 4 is detachably plugged into the top middle section of the front bottom column base 2 for fixation;

[0029] The upper right corner of the left half seat 5 is detachably hinged to the top left side of the single column 4, and the upper left corner of the right half seat 6 is detachably hinged to the top right side of the single column 4; the left half seat 5 and the right half seat 6 are arranged at the rear of the single column 4. The left half seat 5 can rotate horizontally to the left relative to the single column 4 with a maximum rotation angle of 180 degrees; the right half seat 6 can rotate horizontally to the right relative to the single column 4 with a maximum rotation angle of 180 degrees.

[0030] The seat cushion 7 is removable and placed on the common seat plate of the left half seat 5 and the right half seat 6.

[0031] The aforementioned single-column shifting machine is designed as a modular unit consisting of: left bottom caster seat 1, front bottom column seat 2, right bottom caster seat 3, single column 4, left half seat 5, right half seat 6, and seat cushion 7. This modular design forms a large component unit, with each component forming a self-contained unit. Corresponding components are detachably connected. During packaging, the manufacturer compresses and stacks these modular components, significantly reducing packaging size. Smaller packaging allows for the use of energy-efficient packaging materials (e.g., paper products, internal protective plastic wrapping), reducing environmental pollution and promoting a more low-carbon and environmentally friendly product. The smaller packaging box also strengthens its structural integrity, making it less susceptible to crushing or damage. Furthermore, the smaller box allows for greater cargo capacity within the same volume, reducing transportation costs. This is particularly beneficial for export ocean shipping, significantly reducing transportation costs and enhancing the company's competitiveness. After receiving the goods, consumers can simply assemble them according to the assembly instructions for the single-column relocation machine, or have the physical store operator help with the installation.

[0032] Preferably, the left bottom caster seat 1 includes a left front caster 11, a left bottom flat axle beam 12, a left inner crossbeam 13, and a left rear caster 14. The left bottom flat axle beam 12 and the left inner crossbeam 13 are made of iron or steel and are rectangular. The front and rear parts of the left bottom flat axle beam 12 are fixedly connected to the corresponding left front caster 11 and left rear caster 14 by screw assembly. The front inner wall of the left bottom flat axle beam 12 is horizontally welded and fixedly connected to one end of the left inner crossbeam 13.

[0033] The right bottom caster seat 3 includes a right front caster 31, a right bottom flat axle beam 32, a right inner crossbeam 33, and a right rear caster 34. The right bottom flat axle beam 32 and the right inner crossbeam 33 are made of iron or steel and are rectangular. The front and rear parts of the right bottom flat axle beam 32 are fixedly connected to the corresponding right front caster 31 and right rear caster 34 by screw assembly. The front inner wall of the right bottom flat axle beam 32 is horizontally welded and fixedly connected to one end of the right inner crossbeam 33.

[0034] The left inner crossbeam 13 is detachably plugged into the left side of the front bottom pillar 2, and the right inner crossbeam 33 is detachably plugged into the right side of the front bottom pillar 2.

[0035] The left bottom caster seat 1 and the right bottom caster seat 3 have the same structure. The above is a further refinement of the structure of the left bottom caster seat 1 and the right bottom caster seat 3. The structure is reasonably designed, the whole is stable and firm, and the casters make it easy to push and move the position.

[0036] Preferably, the front bottom support column 2 is made of iron or steel and includes a left crossbeam tube 21, a square column tube 22, and a right crossbeam tube 23. A left foot pedal is welded to the top of the left crossbeam tube 21, and a right foot pedal is welded to the top of the right crossbeam tube 23. The left crossbeam tube 21, the square column tube 22, and the right crossbeam tube 23 are rectangular. One end of the left crossbeam tube 21 is welded and fixedly connected to the bottom left side of the square column tube 22, and one end of the right crossbeam tube 23 is welded and fixedly connected to the bottom right side of the square column tube 22.

[0037] The left inner crossbeam 13 is inserted into the tube hole of the left crossbeam tube 21 to form a detachable plug-in connection for fixation;

[0038] The right inner crossbeam 33 is inserted into the tube hole of the right crossbeam tube 23 to form a detachable plug-in connection for fixation;

[0039] The bottom section of the single column 4 is inserted into the hole of the square column tube 22 from the top of the square column tube 22 to form a detachable plug-in connection for fixation.

[0040] The aforementioned front bottom column base 2 forms a "┸" structure. The left side crossbeam tube 21 and the right side crossbeam tube 23 have the same length. The left and right sides can be easily connected horizontally with the corresponding left inner crossbeam 13 and right inner crossbeam 33, and the top can be easily connected vertically with the single solid column 4. The components are easy to assemble and disassemble.

[0041] Preferably: the left crossbeam tube 21 is square, the right crossbeam tube 23 is square; the left inner crossbeam 13 is square; the right inner crossbeam 33 is square;

[0042] Preferably, the inner wall of the left crossbeam tube 21 is secured with a left gap square through-hole plastic shell 24, which is either clamped, fastened, or integrally formed. The left inner crossbeam 13 passes through the left gap square through-hole plastic shell 24 and is inserted into the tube hole of the left crossbeam tube 21. After installation, during use or when pushing, the left gap square through-hole plastic shell 24 prevents the metal from rubbing together and making a squeaking sound. The left gap square through-hole plastic shell 24 and the left crossbeam tube 21 are both provided with a left lower bolt hole 25. A left lower bolt 26 is screwed onto the left lower bolt hole 25. After the left inner crossbeam 13 is inserted into the tube hole of the left crossbeam tube 21, the left lower bolt 26 is turned to press the inner end of the left inner crossbeam 13 to fix it and prevent it from falling off. When it is to be disassembled, the left lower bolt 26 is loosened, and the left inner crossbeam 13 can be pulled out from the tube hole of the left crossbeam tube 21, making it easy to disassemble.

[0043] Preferably, the inner wall of the right crossbeam tube 23 is secured with a right-gap square through-hole plastic shell 27, which is either clamped, fastened, or integrally formed. The right inner crossbeam 33 passes through the right-gap square through-hole plastic shell 27 and is inserted into the tube hole of the right crossbeam tube 23. After installation, during use or when pushing, the right-gap square through-hole plastic shell 27 prevents the metal from rubbing together and making a squeaking sound. The right-gap square through-hole plastic shell 27 and the wall of the right crossbeam tube 23 are both provided with a right lower bolt hole 28. A right lower bolt 29 is screwed onto the right lower bolt hole 28. After the right inner crossbeam 33 is inserted into the tube hole of the right crossbeam tube 23, the right lower bolt 29 is turned to make the inner end press against the right inner crossbeam 33 to fix it and prevent it from falling off. When it is to be disassembled, the right lower bolt 29 is loosened, and the right inner crossbeam 33 can be pulled out from the tube hole of the right crossbeam tube 23, making it easy to disassemble.

[0044] Preferably, the single column 4 includes a square column core 41 and a square column outer tube 42. The upper section of the square column core 41 is inserted into the tube hole of the square column outer tube 42. A lifting adjustment device 43 is installed between the square column core 41 and the square column outer tube 42. The lifting adjustment device 43 is used to adjust the lifting of the square column outer tube 42. The bottom section of the square column core 41 is inserted into the tube hole of the square column tube 22 from the top to form a detachable plug-in connection. The square column outer tube 42 is located directly above the square column tube 22. The upper right front corner of the left half seat 5 is detachably hinged to the upper left top of the square column outer tube 42, and the upper left front corner of the right half seat 6 is detachably hinged to the upper right top of the square column outer tube 42.

[0045] The above is a further refined structure of the single-column 4. This structure facilitates the simultaneous raising and lowering of the left half seat 5 and the right half seat 6, allowing for adjustment to a suitable seat height according to the person's height or needs. The vertical adjustment range is 30 cm to 50 cm.

[0046] Preferably, the lifting and adjusting device 43 includes an L-shaped hand crank 431, an upper end cover 432, an upper bearing seat 433, a top horizontal bearing 434, a top screw component 435, and a threaded vertical rod 436. The L-shaped hand crank 431 and the upper end cover 432 are made of metal or plastic; the upper bearing seat 433, the top screw component 435, and the lower bearing seat are made of aluminum or steel; and the threaded vertical rod 436 is made of steel. The upper end cover 432, the upper bearing seat 433, the top screw component 435, and the lower bearing seat are square, which fits the square tube hole of the square column core 41 and the square column outer sleeve 42, ensuring stable and secure installation and preventing slippage.

[0047] The upper end cap 432 is fixed to the top of the square column outer sleeve 42 with screws. The upper bearing seat 433 is clamped or welded to the top of the tube hole of the square column outer sleeve 42. The upper end cap 432 surrounds the top of the upper bearing seat 433. The top horizontal bearing 434 is clamped or integrally fixed inside the upper bearing seat 433. The top screw member 435 is inserted, clamped, or fixed to the inner top of the square column core 41 with screws or welding. The top screw member 435 has a vertically threaded through hole 4351. 432 has a vertically opening cover through hole 4321; the threaded vertical rod 436 passes vertically through the cover through hole 4321, the top horizontal bearing 434, and the internal threaded through hole 4351 of the component. The top end of the threaded vertical rod 436 extends out of the top of the upper cover 432. The bottom end of the L-shaped hand crank 431 is fixedly connected to the top end of the threaded vertical rod 436. The threaded vertical rod 436 and the top screw component 435 form a threaded connection. The rotatable inner steel ring of the top horizontal bearing 434 is snapped or welded to the threaded vertical rod 436 for fixed connection.

[0048] The above describes the specific structure of the lifting and adjusting device 43, which facilitates the lifting and adjusting of the seat. In use, the L-shaped hand crank 431 is held and rotated, and the threaded vertical rod 436 rotates synchronously. When the threaded vertical rod 436 rotates and lifts, the upper bearing seat 433 and the top horizontal bearing 434 lift synchronously, and the square column outer sleeve 42 lifts synchronously. The left half of the seat 5 and the right half of the seat 6 are lifted synchronously, thus the entire seat is lifted synchronously.

[0049] The middle section of the threaded vertical rod 436 is fixed with a lifting limit pin to prevent it from falling out during lifting.

[0050] Preferably: the side wall of the square column tube 22 is provided with a locking through hole 221; the top of the inner tube wall of the square column tube 22 is clamped or integrally fixed with a lower gap filling square short tube shell 222, which is made of plastic to prevent the metal from rubbing against each other and making a squeaking sound during use or installation; the side wall of the lower gap filling square short tube shell 222 is provided with a locking through hole 223, which is horizontally corresponding to the locking through hole 221 and the locking through hole 223; the locking through hole 221 and the locking through hole 223 are connected together by a column locking rod 224, which is a screw type, and is used to lock and unlock the square column tube core 41. After the square column core 41 is inserted into the square column tube 22, the column locking rod 224 is screwed in to press and lock the square column core 41 to prevent it from falling off or loosening; after the column locking rod 224 is unscrewed and loosened, the square column core 41 is unlocked and can be pulled out.

[0051] Preferably, the square column core 41 and the square column outer tube 42 are either clamped at the bottom, integrally connected, or fixed with screws, with an upper gap filled by a square short tube shell 44, so that the square column core 41 and the square column outer tube 42 form an integral fixed connection that is stable and firm.

[0052] Preferably, the single solid column 4 further includes a left upper hinge fixing member 45, a left upper locking pin 46, a right upper hinge fixing member 47, and a right upper locking pin 48. The front walls of the left upper hinge fixing member 45 and the right upper hinge fixing member 47 are respectively provided with corresponding left front wall recesses 451 and right front wall recesses 471.

[0053] The upper left hinge fastener 45 is welded and fixed to the top left side wall of the square column outer sleeve 42; the upper right hinge fastener 47 is welded and fixed to the top right side wall of the square column outer sleeve 42.

[0054] The left half seat 5 includes a left front vertical short tube 51, a left front horizontal bar 52, a left front vertical bar 53, a left seat backrest integrally formed curved bar 54, a left seat plate 55, and a left backrest plate 56; the left front vertical short tube 51, left front horizontal bar 52, left front vertical bar 53, left seat backrest integrally formed curved bar 54, and left seat plate 55 are made of iron or steel; the left front vertical short tube 51 is vertically arranged in the left front wall recess 451, and the left upper locking pin 46 is detachably vertically passed through the tube hole of the left upper hinge fastener 45 and the left front vertical short tube 51, and the left upper locking pin 46 is movably connected to the left upper hinge fastener 45 and the left front vertical short tube 51 to prevent detachment, and the left upper hinge fastener is fixed. Part 45 supports the left half seat 5, which rotates horizontally around the left upper locking pin 46. The left half seat 5 can be removed by pulling out the left upper locking pin 46. The left front vertical short tube 51 is vertically welded and fixed to one end of the left front cross bar 52. The other end of the left front cross bar 52 is welded and fixed to the left front vertical bar 53. The rear wall of the left front vertical bar 53 is welded and fixed to both ends of the left seat backrest integrally formed curved bar 54. The rear part of the left seat backrest integrally formed curved bar 54 is fixed to the left backrest plate 56 by screw assembly or integral forming. The bottom of the left seat backrest integrally formed curved bar 54 is welded and fixed to the left seat plate 55.

[0055] The right half seat 6 includes a right front vertical short tube 61, a right front horizontal bar 62, a right front vertical bar 63, a right seat backrest integrally formed curved bar 64, a right seat plate 65, and a right backrest plate 66; the right front vertical short tube 61, right front horizontal bar 62, right front vertical bar 63, right seat backrest integrally formed curved bar 64, and right seat plate 65 are made of iron or steel; the right front vertical short tube 61 is vertically arranged in the right front wall recess 471, and the upper right locking pin 48 is detachably vertically passed through the tube hole of the upper right hinge fastener 47 and the right front vertical short tube 61. The upper right locking pin 48 is movably connected to the upper right hinge fastener 47 and the right front vertical short tube 61 to prevent detachment. The upper right hinge fastener 47 supports the right half seat 6, and the right half seat 6 is based on the upper right locking pin 48. Rotate the base horizontally; pull out the upper right locking pin 48, and the right half seat 6 can be removed; the right front vertical short tube 61 is vertically welded and fixedly connected to one end of the right front crossbar 62, and the other end of the right front crossbar 62 is welded and fixedly connected to the right front vertical bar 63. The rear wall of the right front vertical bar 63 is welded and fixedly connected to both ends of the right seat backrest integrally formed curved bar 64. The rear part of the right seat backrest integrally formed curved bar 64 is fixed to the right backrest plate 66 by screw assembly or integral molding. The bottom of the right seat backrest integrally formed curved bar 64 is welded and fixed to the right seat plate 65; the left seat plate 55 and the right seat plate 65 are detachably placed with seat cushions 7, which are placed on the left seat plate 55 and the right seat plate 65, and the seat cushions 7 are sponge pads.

[0056] The top of the left front vertical bar 53 is hinged to a left trolley handle 531, which can be hinged and folded for easy packaging and volume compression. The top of the right front vertical bar 63 is hinged to a right trolley handle 631, which can be hinged and folded for easy packaging and volume compression.

[0057] A seatbelt buckle 67 that can be opened and fastened is connected between the left seat panel 55 and the right seat panel 65.

[0058] The left half of seat 5 and the right half of seat 6 open and close from the back to facilitate the patient's entry and exit / sitting in the seat.

[0059] A single-column relocation machine also includes a locking and unlocking device 8; the locking and unlocking device 8 is provided between the backs of the left half seat 5 and the right half seat 6; the locking and unlocking device 8 is made of metal; the locking and unlocking device 8 includes a transversely open U-shaped positioning component 81, a locking hook 82, and a locking pin 83. The U-shaped positioning component 81 is welded and fixedly connected to the rear part of the integrally formed curved rod 54 of the left seat backrest. The outer wall of the U-shaped positioning component 81 is movably connected to the locking hook 82 through the pin body. The pin body is welded and fixed to the U-shaped positioning component 81, and the locking hook 82 passes through the pin. On the body, a locking pin 83 is welded and fixed to the rear of the one-piece curved rod 64 of the right seat backrest. The rear part of the one-piece curved rod 64 of the right seat backrest is embedded in the notch of the U-shaped positioning component 81 for easy alignment and locking. The locking hook 82 falls into the locking pin 83 to lock, and the left seat panel 55 and the right seat panel 65 cannot be opened. When the locking hook 82 is moved to open, the locking hook 82 no longer engages with the locking pin 83 to unlock, and the left seat panel 55 and the right seat panel 65 can be opened from the rear. The left seat panel 55 is rotated to the left to open, and the right seat panel 65 is rotated to the right to open. A torsion spring can also be installed between the locking hook 82 and the U-shaped positioning component 81 to make the locking hook 82 elastic. After the rear part of the one-piece curved rod 64 of the right seat backrest is embedded in the notch of the U-shaped positioning component 81, the elastic locking hook 82 automatically falls into the locking pin 83 to lock.

Claims

1. A single-column moving machine, comprising a left base caster seat, a front base column seat, a right base caster seat, a single column, a left half seat, a right half seat, and a seat cushion; characterized in that: The left and right base caster seats are arranged axially in a front-to-back manner and are symmetrical and parallel to each other; the front base column seat is arranged laterally relative to the left and right base caster seats; the front base column seat is located at the front of the left and right base caster seats. The inner side of the left bottom caster seat is detachably connected and fixed to the left side of the front bottom column seat, and the inner side of the right bottom caster seat is detachably connected and fixed to the right side of the front bottom column seat. The bottom section of the single-column column is detachably plugged into the top of the front bottom column base for fixation; The upper right corner of the left half seat is detachably hinged to the top left side of the single column, and the upper left corner of the right half seat is detachably hinged to the top right side of the single column; the left half seat and the right half seat are arranged at the rear of the single column. The left half seat can rotate horizontally to the left relative to the single column, and the right half seat can rotate horizontally to the right relative to the single column. The seat cushion is removable and placed on the common seat board for the left and right halves of the seat.

2. The single-column shifting machine according to claim 1, characterized in that: The left bottom caster seat includes a left front caster, a left bottom flat axle beam, a left inner crossbeam, and a left rear caster. The front and rear parts of the left bottom flat axle beam are fixedly connected to the corresponding left front caster and left rear caster. The front inner wall of the left bottom flat axle beam is horizontally fixedly connected to one end of the left inner crossbeam. The right bottom caster seat includes a right front caster, a right bottom flat axle beam, a right inner crossbeam, and a right rear caster. The front and rear parts of the right bottom flat axle beam are fixedly connected to the corresponding right front caster and right rear caster. The front inner wall of the right bottom flat axle beam is horizontally fixedly connected to one end of the right inner crossbeam. The left inner crossbeam is detachably plugged into the left side of the front bottom pillar base, and the right inner crossbeam is detachably plugged into the right side of the front bottom pillar base.

3. A single-column shifting machine according to claim 2, characterized in that: The front bottom column base includes a left horizontal beam tube, a square column tube, and a right horizontal beam tube. The bottom left side of the square column tube is fixedly connected to one end of the left horizontal beam tube, and the bottom right side of the square column tube is fixedly connected to one end of the right horizontal beam tube. The left inner crossbeam is inserted into the tube hole of the left crossbeam tube to form a detachable plug-in connection for fixation; The right inner crossbeam is inserted into the tube hole of the right crossbeam tube to form a detachable plug-in connection for fixation; The bottom section of the single column is inserted into the hole of the square column tube to form a detachable plug-in connection for fixation.

4. A single-column shifting machine according to claim 3, characterized in that: The single column includes a square column core and a square column outer tube. The upper section of the square column core is inserted into the tube hole of the square column outer tube. A lifting adjustment device is installed between the square column core and the square column outer tube to adjust the lifting of the square column outer tube. The bottom section of the square column core is inserted into the tube hole of the square column core from the top to form a detachable plug-in connection. The square column outer tube is located directly above the square column core. The upper right front corner of the left half seat is detachably hinged to the upper left top of the square column outer tube, and the upper left front corner of the right half seat is detachably hinged to the upper right top of the square column outer tube.

5. A single-column shifting machine according to claim 4, characterized in that: The lifting and adjusting device includes an L-shaped hand crank, an upper end cover, an upper bearing seat, a top horizontal bearing, a top screw component, and a threaded vertical rod; The upper end cap is fixed to the top of the square column outer tube. The upper bearing seat is fixed to the inner top of the square column outer tube. The upper end cap surrounds the top of the upper bearing seat. The top horizontal bearing is fixed inside the upper bearing seat. The top screw component is inserted and fixed to the inner top of the square column core. The top screw component has a vertically opened internal threaded through hole. The upper end cap has a vertically opened cover through hole. The threaded vertical rod passes vertically through the cover through hole, the top horizontal bearing, and the internal threaded through hole of the component. The top end of the threaded vertical rod extends out of the top of the upper end cap. The bottom end of the L-shaped hand crank is fixedly connected to the top end of the threaded vertical rod. The threaded vertical rod and the top screw component form a threaded connection. The rotatable inner steel ring of the top horizontal bearing is fixedly connected to the threaded vertical rod.

6. A single-column shifting machine according to claim 4, characterized in that: The square column tube has a locking through hole 1 on its side wall; a lower gap filling square short tube shell is fixed to the top of the inner tube wall of the square column tube, and a second locking through hole is opened horizontally on the side wall of the lower gap filling square short tube shell. The first locking through hole and the second locking through hole are horizontally corresponding; a column locking rod is connected to both the first locking through hole and the second locking through hole, and the column locking rod is used to lock and unlock the square column tube core.

7. A single-column shifting machine according to claim 4, characterized in that: The bottom of the square column core and the square column outer tube is fixed with an upper gap-filling square short tube shell.

8. A single-column shifting machine according to claim 4, characterized in that: The single solid column also includes a left upper hinge fixing component, a left upper locking pin, a right upper hinge fixing component, and a right upper locking pin. The front walls of the left upper hinge fixing component and the right upper hinge fixing component are respectively provided with corresponding left front wall recesses and right front wall recesses. The upper left hinge fastener is fixed to the top left side wall of the square column outer tube; the upper right hinge fastener is fixed to the top right side wall of the square column outer tube; the left half seat includes a left front vertical short tube, a left front horizontal bar, a left front vertical bar, a left seat backrest integrally formed curved bar, a left seat plate, and a left backrest plate; the left front vertical short tube is vertically arranged in the left front wall recess, and the upper left locking pin rod is detachably vertically passed through the tube hole of the upper left hinge fastener and the left front vertical short tube, and the upper left locking pin rod is movably connected to the upper left hinge fastener and the left front vertical short tube; the left front vertical short tube is vertically fixedly connected to one end of the left front horizontal bar, the other end of the left front horizontal bar is fixedly connected to the left front vertical bar, the rear wall of the left front vertical bar is fixedly connected to both ends of the left seat backrest integrally formed curved bar, the rear part of the left seat backrest integrally formed curved bar is fixed with the left backrest plate, and the bottom of the left seat backrest integrally formed curved bar is fixed with the left seat plate. The right half of the seat includes a right front vertical short tube, a right front crossbar, a right front vertical bar, a right seat backrest integrally formed curved bar, a right seat plate, and a right backrest plate; the right front vertical short tube is vertically arranged in the right front wall recess, and the right upper locking pin is detachably vertically passed through the right upper hinge fastener and the tube hole of the right front vertical short tube, and the right upper locking pin is movably connected to the right upper hinge fastener and the right front vertical short tube; the right front vertical short tube is vertically fixedly connected to one end of the right front crossbar, the other end of the right front crossbar is fixedly connected to the right front vertical bar, the rear wall of the right front vertical bar is fixedly connected to both ends of the right seat backrest integrally formed curved bar, the rear part of the right seat backrest integrally formed curved bar is fixed with the right backrest plate, and the bottom of the right seat backrest integrally formed curved bar is fixed with the right seat plate; The left and right seat panels have removable seat cushions.

9. A single-column shifting machine according to claim 8, characterized in that: It also includes a locking and unlocking device; the locking and unlocking device includes a U-shaped positioning component with a horizontal opening, a locking hook, and a locking pin. The U-shaped positioning component is fixedly connected to the rear of the integrally formed curved rod of the left seat back. The outer wall of the U-shaped positioning component is movably connected to the locking hook through the pin. The rear of the integrally formed curved rod of the right seat back is fixedly connected to the locking pin. The rear rod of the integrally formed curved rod of the right seat back is embedded in the notch of the U-shaped positioning component. The locking hook falls into the locking pin to lock.

10. A single-column shifting machine according to claim 3, characterized in that: The left crossbeam tube is square, the right crossbeam tube is square; the left inner crossbeam is square; the right inner crossbeam is square. A plastic shell with a left gap square through hole is fixed to the inner wall of the pipe opening of the left crossbeam tube. The left inner crossbeam passes through the plastic shell with the left gap square through hole and is inserted into the pipe hole of the left crossbeam tube. The plastic shell with the left gap square through hole and the wall of the left crossbeam tube are both provided with a lower left bolt hole. A lower left bolt is screwed into the lower left bolt hole. The inner end of the lower left bolt presses against the left inner crossbeam to fix it and prevent it from falling off. A plastic shell with a right gap square through hole is fixed to the inner wall of the pipe opening of the right crossbeam tube. The right inner crossbeam passes through the plastic shell with the right gap square through hole and is inserted into the pipe hole of the right crossbeam tube. The plastic shell with the right gap square through hole and the wall of the right crossbeam tube are both provided with a lower right bolt hole. A lower right bolt is screwed into the lower right bolt hole. The inner end of the lower right bolt presses against the right inner crossbeam to fix it and prevent it from falling off.

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