Novel electric shifting machine base

Abstract

A novel electric shifting machine base comprises a base, moving mechanisms are arranged on the two sides of the base respectively, and a transmission mechanism used for adjusting the opening angle of the moving mechanisms is arranged between the two moving mechanisms located on the base. When the first pedal is treaded, the first front branch leg, the second front branch leg, the first rear branch leg and the second rear branch leg start to rotate along with treading, the base is unfolded, when the second pedal is treaded, the first front branch leg, the second front branch leg, the first rear branch leg and the second rear branch leg start to rotate along with treading, and the base is folded; by designing the novel base, the novel transmission mechanism and the limiting self-locking mechanism, the overall size of the base can be reduced, the adjusting angle of front and rear separated legs is large, and the controllability of the separated legs is good; the space occupied by the electric shifting machine is reduced, rehabilitation training of a rehabilitation walking patient is facilitated, and the safety of the shifting machine during use is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of electric transfer machines, in particular to a novel electric transfer machine base. Background Art

[0002] Electric transfer machines are mainly used to move paralyzed, bedridden, disabled and other people with limited mobility from one position to another in a safe, stable and comfortable manner. They can make nursing work more convenient, efficient and comfortable to install, bringing good news to families with paralyzed patients or related medical institutions or nursing homes, rehabilitation centers, etc., and realize the safe and easy transfer of paralyzed patients, critically ill patients, long-term bedridden disabled people and people who cannot move independently between beds, wheelchairs, seats and toilets, reducing the workload of nursing staff and improving the quality of life of patients or the elderly. Existing electric transfer machines generally include a main frame, a boom connected to the upper end of the main frame, a hanger connected to the end of the boom, and a base connected to the bottom of the main frame.

[0003] The existing electric transfer machine base has some shortcomings, for example, the base is wide and occupies a large space, which affects the wide use; the base width is not adjustable; the base width is adjustable but the adjustment angle is small, which affects practicality; the base has no unlimited self-locking function before and after adjustment, which affects the safety of use. Summary of the invention

[0004] In order to overcome the deficiencies of the above-mentioned prior art, the purpose of the utility model is to provide a new type of electric transfer machine base. Through the design of a new base, a new transmission mechanism and a limit self-locking mechanism, the overall size of the base can be reduced, the adjustment angle of the front and rear legs is large, and the controllability of the legs is good. The utility model reduces the space occupied by the electric transfer machine, facilitates the rehabilitation training of patients who need to walk again, and ensures the safety of the transfer machine when in use.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A novel electric lift base comprises a base 7, wherein moving mechanisms are respectively arranged on both sides of the base 7, and a transmission mechanism for adjusting the opening angle of the moving mechanisms is arranged between the two moving mechanisms of the base 7.

[0007] The moving mechanism includes a first front leg 3 and a second front leg 4 located at both ends of the front side of the base 7, and a first rear leg 5 and a second rear leg 6 located at both ends of the rear side of the base 7. The first front leg 3, the second front leg 4, the first rear leg 5 and the second rear leg 6 are all equipped with universal wheels.

[0008] The transmission mechanism includes a base hole 22 opened in the middle position of the base 7, and the two ends of the base hole 22 are stepped. A stepped shaft 8 is arranged in the base hole 22, and the stepped shaft 8 is connected to the base hole 22 through a front bearing 91 and a rear bearing 92 arranged in the stepped areas at both ends of the base hole 22. The front bearing 91 and the rear bearing 92 are respectively blocked in the stepped areas at both ends of the base hole 22 by baffles 10, and the two ends of the stepped shaft 8 are respectively connected to a front rotating member 12 and a rear rotating member 13, and the two sides of the rear rotating member 13 are symmetrically hinged to one end of two rear connecting rods 15, and the other ends of the two rear connecting rods 15 are respectively hinged to the first rear leg 5 and the second rear leg 6; the two sides of the front rotating member 12 are symmetrically hinged to one end of two front connecting rods 21, and the other ends of the two front connecting rods 21 are respectively hinged to the first front leg 3 and the second front leg 4.

[0009] One side of the base 7 is connected with a knob plunger self-locking spring plunger indexing pin 20 .

[0010] The first front leg 3 and the second front leg 4 are connected to a universal wheel 1 without brakes, and the first rear leg 5 and the second rear leg 6 are connected to a universal wheel 2 with brakes.

[0011] The shaft section of the stepped shaft 8 connecting the front rotating member 12 and the rear rotating member 13 is provided with a keyway, and the front rotating member 12 and the rear rotating member 13 are also provided with a keyway. The stepped shaft 8 is connected to the front rotating member 12 and the rear rotating member 13 through a flat key 18.

[0012] The rear rotating member 13 is connected to a first foot pedal 16 and a second foot pedal 17 .

[0013] The knob plunger self-locking spring plunger indexing pin 20 is connected to the upper end of one side of the base 7 through a threaded hole, and the lower end of the knob plunger self-locking spring plunger indexing pin 20 cooperates with the second front leg 4.

[0014] A shaft sleeve 11 is arranged between the stepped shaft 8 and the bearing 9 .

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The utility model provides a novel base 7, which reduces the overall size of the base, thereby facilitating the reduction of the space occupied by the electric transfer machine.

[0017] 2. The utility model has a new transmission mechanism, which allows a large adjustment angle of the front and rear legs, and a large width of the base after adjustment, which is convenient for rehabilitation training of patients who need to walk for rehabilitation, and at the same time, the electric transfer machine has a greater bearing capacity.

[0018] 3. The utility model sets a limit self-locking mechanism, i.e., a knob plunger self-locking spring plunger indexing pin 20. When the base is in a retracted state, i.e., when the leg opening angle is 0°, the self-locking knob plunger locks the limit position, thereby ensuring the retractability of the lift in an idle state. When the electric lift is in use, i.e., when the leg opening angle is 30°, the knob plunger self-locking spring plunger indexing pin 20 locks the limit position, thereby ensuring the safety of the lift in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] FIG. 2 is a detailed view of a stepped shaft 8 of the present invention; FIG. 2( a ) is a detailed view of the front portion of the stepped shaft 8 of the present invention, and FIG. 2( b ) is a detailed view of the rear portion of the stepped shaft 8 of the present invention.

[0021] FIG3 is a partial detail view of the rotating member of the present invention; FIG3(a) is a partial detail view of the front rotating member 12 of the present invention, and FIG3(b) is a partial detail view of the rear rotating member 13 of the present invention.

[0022] Figure 4 This is a diagram of the overall initial state of the base of the utility model.

[0023] Figure 5 This is a diagram of the overall unfolded state of the base of the utility model.

[0024] Among them, 1. Universal wheel without brake; 2. Universal wheel with brake; 3. First front leg; 4. Second front leg; 5. First rear leg; 6. First rear leg; 7. Base; 8. Step shaft; 91. Front bearing; 92. Rear bearing; 10. Block plate; 11. Bushing; 12. Front rotating part; 13. Rear rotating part; 14. Ball hinge; 15. Rear connecting rod; 16. First foot pedal; 17. Second foot pedal; 18. Flat key; 19. Countersunk screw; 20. Knob plunger self-locking spring plunger indexing pin; 21. Front connecting rod; 22. Step hole. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figure 1As shown, a novel electric lift base comprises a base 7, wherein moving mechanisms are respectively arranged on both sides of the base 7, and a transmission mechanism for adjusting the opening angle of the moving mechanisms is arranged between the two moving mechanisms of the base 7.

[0027] The moving mechanism includes a first front leg 3 and a second front leg 4 located at both ends of the front side of the base 7, and a first rear leg 5 and a second rear leg 6 located at both ends of the rear side of the base 7. The first front leg 3, the second front leg 4, the first rear leg 5 and the second rear leg 6 are all equipped with universal wheels.

[0028] The first front leg 3 and the second front leg 4 are connected with a universal wheel 1 without brakes, which makes the front end of the base more flexible, and the first rear leg 5 and the second rear leg 6 are connected with a universal wheel 2 with brakes, which makes it easier for caregivers to control the transfer machine when using the transfer machine to transfer patients, thereby improving the safety performance of the transfer machine.

[0029] The first front leg 3 and the second front leg 4 as well as the first rear leg 5 and the second rear leg 6 are connected to the base 7 via countersunk bolts and nuts, respectively.

[0030] As shown in Figures 2 and 3, the transmission mechanism includes a base hole 22 opened in the middle position of the base 7, the two ends of the base hole 22 are stepped, and a stepped shaft 8 is arranged in the base hole 22. The stepped shaft 8 is connected to the base hole 22 through a front bearing 91 and a rear bearing 92 arranged in the stepped shapes at both ends of the base hole 22. The front bearing 91 and the rear bearing 92 are respectively blocked in the stepped shapes at both ends of the base hole 22 by baffles 10. The two ends of the stepped shaft 8 are respectively connected to a front rotating member 12 and a rear rotating member 13, and the axial surfaces at both ends of the stepped shaft 8 are connected with screws. The two sides of the rear rotating member 13 are symmetrically hinged to one end of the two rear connecting rods 15, and the other ends of the two rear connecting rods 15 are respectively hinged to the first rear leg 5 and the second rear leg 6; the two sides of the front rotating member 12 are symmetrically hinged to one end of the two front connecting rods 21, and the other ends of the two front connecting rods 21 are respectively hinged to the first front leg 3 and the second front leg 4.

[0031] A shaft sleeve 11 is arranged between the stepped shaft 8 and the bearing 9 .

[0032] As shown in FIG. 2 , the base hole 22 cooperates with the stepped shaft 8 , and the stepped shaft 8 cooperates with the front bearing 91 and the rear bearing 92 . The stepped shaft 8 is axially fixed by the front bearing 91 , the rear bearing 92 and two baffles 10 .

[0033] Threaded holes are opened on both sides of the baffle 10. After the base hole 22, the stepped shaft 8, the front bearing 91, and the rear bearing 92 are connected, the front and rear baffles 10 will be connected to the base 7 through the threaded holes and screws to ensure the axial fixation of the stepped shaft 8.

[0034] Furthermore, the two ends of the stepped shaft 8 are connected to a front rotating member 12 and a rear rotating member 13, the front rotating member 12 is connected to two spherical hinges 14, the spherical hinge 14 is connected to one end of a rear-front connecting rod 21, the other end of the front connecting rod 21 is connected to the spherical hinge 14, the spherical hinge 14 connects the first front leg 3 and the second front leg 4, the rear rotating member 13 is connected to two spherical hinges 14, the spherical hinge 14 is connected to one end of a rear connecting rod 15, the other end of the rear connecting rod 15 is connected to the spherical hinge 14, the spherical hinge 14 connects the first rear leg 5 and the second rear leg 6.

[0035] Threaded holes are provided on the axial surfaces at both ends of the stepped shaft 8, which are connected with countersunk screws 19 to ensure the axial fixation of the front rotating member 12 and the rear rotating member 13, making the mechanism safer.

[0036] The rear rotating member 13 is provided with threaded holes for connection with the first foot pedal 16 and the second foot pedal 17 .

[0037] The rear rotating member 13 is connected with a first foot pedal 16 and a second foot pedal 17. The rear rotating member 13 has threaded holes at positions 180° apart on the same circumference for connecting the foot pedals. When the first foot pedal 16 is stepped on, the first front leg 3, the second front leg 4, the first rear leg 5, and the second rear leg 6 start to rotate with the stepping, and the base is unfolded. When the second foot pedal 17 is stepped on, the first front leg 3, the second front leg 4, the first rear leg 5, and the second rear leg 6 start to rotate with the stepping, and the base is folded.

[0038] One side of the base 7 is connected with a knob plunger self-locking spring plunger indexing pin 20 .

[0039] The knob plunger self-locking spring plunger indexing pin 20 is connected to the upper end of one side of the base 7 through a threaded hole, and the lower end of the knob plunger self-locking spring plunger indexing pin 20 cooperates with the second front leg 4.

[0040] When the base is in the retracted state, that is, when the legs are spread out at an angle of 0°, the knob plunger self-locking spring plunger indexing pin 20 is locked to limit the position, thereby ensuring the retractability of the lift when it is idle. When the electric lift is in use, that is, when the legs are spread out at an angle of 30°, the knob plunger self-locking spring plunger indexing pin 20 is locked to limit the position, thereby ensuring the safety of the lift when it is in use.

[0041] The shaft section of the stepped shaft 8 connecting the front rotating member 12 and the rear rotating member 13 is provided with a keyway, and the front rotating member 12 and the rear rotating member 13 are also provided with a keyway. The stepped shaft 8 is connected to the front rotating member 12 and the rear rotating member 13 through a flat key 18.

[0042] Among them, the front rotating part 12 and the rear rotating part 13 are respectively provided with threaded holes at positions 180° apart on the same circumference for connecting the spherical hinge 14, and the shaft sections at both ends of the stepped shaft 8 connecting the front rotating part 12 and the rear rotating part 13 are provided with key slots. The front rotating part 12 and the rear rotating part 13 are also provided with key slots. Through the connection transmission of the flat key 18, the front rotating part 12 and the rear rotating part 13 will rotate in the same direction at the same time, thereby enhancing the coordination, safety and stability of the mechanism, making the transfer machine more stable, so that medical staff or patients' families can feel more at ease.

[0043] The working principle of the utility model is:

[0044] like Figure 4 , Figure 5 As shown, when the first foot pedal 16 is stepped on, the first front leg 3, the second front leg 4, the first rear leg 5 and the second rear leg 6 begin to rotate as they are stepped on, and the base unfolds; when the second foot pedal 17 is stepped on, the first front leg 3, the second front leg 4, the first rear leg 5 and the second rear leg 6 begin to rotate as they are stepped on, and the base folds.

[0045] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. It is obvious that the implementation of the utility model is not limited to the above-mentioned method. As long as various modifications, equivalent substitutions, improvements are made using the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A novel electric lift base, characterized in that: It comprises a base (7), wherein moving mechanisms are respectively arranged on both sides of the base (7), and a transmission mechanism for adjusting the opening angle of the moving mechanisms is arranged in the middle of the two moving mechanisms of the base (7); The moving mechanism comprises a first front leg (3) and a second front leg (4) located at two ends of the front side of the base (7), and a first rear leg (5) and a second rear leg (6) located at two ends of the rear side of the base (7); the first front leg (3), the second front leg (4), the first rear leg (5) and the second rear leg (6) are all equipped with universal wheels; The transmission mechanism comprises a base hole (22) located in the middle of the base (7), the two ends of the base hole (22) are stepped, a stepped shaft (8) is arranged in the base hole (22), the stepped shaft (8) and the base hole (22) are connected through a front bearing (91) and a rear bearing (92) arranged in the stepped shapes at the two ends of the base hole (22), the front bearing (91) and the rear bearing (92) are respectively blocked in the stepped shapes at the two ends of the base hole (22) by blocking sheets (10), and the stepped shaft (8) The two ends of the rear rotating member (8) are respectively connected to a front rotating member (12) and a rear rotating member (13); the two sides of the rear rotating member (13) are symmetrically hinged to one end of two rear connecting rods (15); the other ends of the two rear connecting rods (15) are respectively hinged to the first rear leg (5) and the second rear leg (6); the two sides of the front rotating member (12) are symmetrically hinged to one end of two front connecting rods (21); the other ends of the two front connecting rods (21) are respectively hinged to the first front leg (3) and the second front leg (4).

2. A novel electric lift base according to claim 1, characterized in that: One side of the base (7) is connected to a knob plunger self-locking spring plunger indexing pin (20).

3. The novel electric lift base according to claim 1 is characterized by: The first front leg (3) and the second front leg (4) are connected to a universal wheel (1) without a brake, and the first rear leg (5) and the second rear leg (6) are connected to a universal wheel (2) with a brake.

4. The novel electric lift base according to claim 1, characterized in that: The shaft section of the stepped shaft (8) connecting the front rotating member (12) and the rear rotating member (13) is provided with a keyway, and the front rotating member (12) and the rear rotating member (13) are also provided with a keyway. The stepped shaft (8) is connected to the front rotating member (12) and the rear rotating member (13) through a flat key (18).

5. A novel electric lift base according to claim 1 or 4, characterized in that: The rear rotating member (13) is connected to a first foot pedal (16) and a second foot pedal (17).

6. The novel electric lift base according to claim 2 is characterized by: The knob plunger self-locking spring plunger indexing pin (20) is connected to the upper end of one side of the base (7) through a threaded hole, and the lower end of the knob plunger self-locking spring plunger indexing pin (20) cooperates with the second front branch leg (4).

7. The novel electric lift base according to claim 1 is characterized by: A shaft sleeve (11) is arranged between the stepped shaft (8) and the bearing (9).

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