Lifting base of three-legged medical bed
By designing the lifting base of the three-legged medical bed, using walking frames, universal wheels, support frames and weighing sensors, the troubles and instability of the medical bed are solved, convenient operation and rapid weighing are achieved, and medical treatment is improved Stability and safety of the bed.
Patent Information
- Application Number
- CN202323600533.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-28
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2033-12-28
AI Technical Summary
The existing medical bed is troublesome to operate, unable to operate sideways in time and lacks weighing function, the bed body is unstable, especially for patients with inconvenient legs and feet, and it is difficult to weigh.
The lifting base of the three-legged medical bed is designed, using a walking frame, universal wheel, support frame and weighing sensor, and the bed body is supported by a three-legged column, and foot pedal control devices and anti-touch devices are installed on both sides of the bottom shell. Achieve convenient operation and weighing functions.
It improves the stability and operational convenience of the medical bed, facilitates medical staff to control on the side, achieves rapid weighing, and improves safety through protective rods, supporting intelligent management.
Smart Images

Figure CN222238184U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical beds, in particular to a lifting base of a three-legged medical bed. Background Art
[0002] At present, the bed board on the medical bed includes a middle bed board fixedly mounted on the bed frame, one end of the middle bed board is hinged with a back board, the other end of the middle bed board is hinged with a thigh board, and the thigh board is hinged with a calf board. In order to flip the back board and the thigh board and achieve the effect of lifting the patient's back and legs, the bed frame is provided with a lifting element or other mechanism connected to the back board and the thigh board to provide driving force.
[0003] For example, the applicant disclosed a decompression medical bed in the document with publication number CN108938250A previously applied for. This medical bed can decompress the patient's abdomen when the backboard and the thigh board are turned over. However, this decompression medical bed still has the following problems: 1. The operation of the decompression medical bed is still relatively cumbersome. Generally, it needs to be controlled at the head of the patient's bed, which is relatively cumbersome to operate, especially when doctors and nurses check the patient's body on the side of the bed, they cannot operate in time; 2. The current decompression medical bed does not have a weighing function, and the patient's weight changes need to be weighed frequently, so the patient needs to be weighed additionally, but it is difficult for some patients with inconvenient legs and feet to weigh; 3. The two lifting columns disclosed in the document CN108938250A support the bed, but this is not very stable, especially after being used for a long time, the bed is prone to loosening. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a lifting base of a three-legged medical bed, which can better support the bed body components of the medical bed and has a weighing function, so as to weigh the patient conveniently.
[0005] In order to solve the above technical problems, the technical solution of the utility model is: a lifting base of a three-legged medical bed includes a walking frame, a universal wheel is installed at the bottom of the walking frame, a support frame is installed at the top of the walking frame, and the support frame is installed on the walking frame through a weighing sensor, a first lifting column is fixed to one end of the support frame, and the first lifting column is driven by a first lifting power device, and a second lifting column and a third lifting column are fixed to the other end of the support frame, and the second lifting column and the third lifting column are driven by the second lifting power device and the third lifting power device respectively; the first lifting column, the second lifting column and the third lifting column constitute the three vertices of a triangle; the upper ends of the first lifting column, the second lifting column and the third lifting column are all installed with a mounting frame for fixing the medical bed body, and a bottom shell is also installed on the support frame, and foot control devices connected to the medical bed controller are installed on both sides of the bottom shell.
[0006] As a preferred solution, the foot-operated control device includes a fixed frame installed on both sides of the bottom shell of the medical bed, each fixed frame is installed with a plurality of control foot pedals, the control foot pedals are electrically connected to the controller of the medical bed, and the fixed frame is provided with an anti-accidental touch device to protect the control foot pedals.
[0007] As a preferred solution, the anti-accidental touch device includes a protective rod hinged on both sides of the fixed frame, the protective rod spans each control pedal, and the fixed frame is provided with a support member supporting both sides of the protective rod, and the support member supports the protective rod to be above the control pedal.
[0008] As a preferred solution, the fixing frame includes a horizontal fixing plate portion and side plate portions located on both sides of the horizontal fixing plate portion, a horizontal mounting plate portion is provided at the upper end of the side plate portion, and the horizontal mounting plate portion is fixed to the support beam of the base of the medical bed by bolts, the supporting member is a supporting tongue plate, and the supporting tongue plate is located on the side plate portion, the protective rod is hinged to the outer side of the side plate portion, an insertion hole is provided on the side plate portion, and horizontal insertion rod portions are provided at both ends of the protective rod, and the horizontal insertion rod portions are inserted into the insertion holes to achieve hinged connection.
[0009] As a preferred solution, a hollow hole corresponding to the position of the control foot pedal is provided on the horizontal fixed plate portion, and the control foot pedal is fixed on the horizontal fixed plate portion with the bottom exposed.
[0010] As a preferred solution, the first lifting power device, the second lifting power device and the third lifting power device have the same structure and are all linear motors. The first lifting power device and the first lifting column constitute the electric telescopic rod. The linear motor is fixed to the lower end of the first lifting column. A motor fixing frame is fixed on the support frame. The linear motor is detachably fixed to the motor fixing frame.
[0011] As a preferred solution, the motor fixing frame includes a U-shaped frame body welded on the support frame, and a plurality of fixed mounting holes are arranged on the opposite side walls of the frame body; a sleeve is fixed to the outside of the main body of the linear motor, and the sleeve is installed inside the frame body, and a plurality of fixing nuts are installed on the sleeve, and a fixing bolt that cooperates with the thread of the fixing nut is installed in the fixing mounting hole.
[0012] As a preferred solution, the ferrule includes a cylindrical ferrule body, an axial strip opening is provided on the ferrule body, connecting plate portions are provided on both edges of the strip opening, the connecting plate portions are locked by locking bolts, a plurality of axial mounting ribs are provided on the ferrule body, an axially extending open nut groove is provided on the axial mounting rib, the fixing nut is embedded in the nut groove, and the diameter of the opening is smaller than the outer diameter of the fixing nut.
[0013] As a preferred solution, an auxiliary connecting plate is also provided on the support frame, and fixing holes corresponding to the positions of two nut embedding grooves are provided on the auxiliary connecting plate, and fixing bolts threadedly connected to the corresponding fixing nuts are installed in the fixing holes of the auxiliary connecting plate.
[0014] As a preferred solution, a plug row and a network cable interface are also provided on the bottom shell.
[0015] After adopting the above technical scheme, the effect of the utility model is as follows: since the lifting base of the three-legged medical bed includes a walking frame, a universal wheel is installed at the bottom of the walking frame, a support frame is installed at the top of the walking frame, and the support frame is installed on the walking frame through a weighing sensor, a first lifting column is fixed to one end of the support frame, and the first lifting column is driven by a first lifting power device, and a second lifting column and a third lifting column are fixed to the other end of the support frame, and the second lifting column and the third lifting column are driven by the second lifting power device and the third lifting power device respectively; the first lifting column, the second lifting column and the third lifting column constitute the three vertices of a triangle; the first lifting column The upper ends of the column, the second lifting column and the third lifting column are equipped with mounting frames for fixing the medical bed body, and a bottom shell is also installed on the support frame. Foot control devices connected to the medical bed controller are installed on both sides of the bottom shell. Therefore, firstly, the lifting base uses three lifting columns to support the bed body, and the support is more stable; secondly, the lifting base uses a weighing sensor to weigh the support frame and all components above it. Therefore, when the patient gets on the bed, the weighing sensor will detect the change in weight, thereby quickly detecting the patient's weight; thirdly, foot control devices are arranged on both sides of the lifting base, and the foot control devices can control the movement of the medical bed, which is convenient for doctors and nurses to operate from the side.
[0016] Furthermore, since the foot control device includes a fixed frame installed on both sides of the bottom shell of the medical bed, each fixed frame is installed with a plurality of control foot pedals, the control foot pedals are electrically connected to the controller of the medical bed, and the fixed frame is provided with an anti-accidental touch device for protecting the control foot pedals. The anti-accidental touch device includes a protective rod hinged on both sides of the fixed frame, the protective rod spans across each control foot pedal, and the fixed frame is provided with a support member supporting both sides of the protective rod, and the support member supports the protective rod above the control foot pedal. Therefore, the control foot pedal can be protected by the protective rod to prevent the patient from stepping on the control foot pedal by mistake when getting out of bed or other people. When the control foot pedal needs to be operated, it is only necessary to lift the protective rod with the instep to deflect it, and the protective rod is always on the instep. At this time, the control foot pedal can be smoothly operated, thereby improving the safety performance.
[0017] Furthermore, since the fixing frame includes a horizontal fixing plate portion and side vertical plate portions located on both sides of the horizontal fixing plate portion, a horizontal mounting plate portion is provided at the upper end of the side vertical plate portion, and the horizontal mounting plate portion is fixed to the support beam of the base of the medical bed by bolts, the supporting member is a supporting tongue plate, and the supporting tongue plate is located on the side vertical plate portion, the protective rod is hinged to the outer side of the side vertical plate portion, and an insertion hole is provided on the side vertical plate portion, and horizontal insertion rod portions are provided at both ends of the protective rod, and the horizontal insertion rod portions are inserted into the insertion holes to achieve hinge connection. The structure of the fixing frame is reasonable, the control pedal can be installed on the horizontal fixing plate portion, and the side vertical plate portion can facilitate the hinge connection of the protective rod and is also convenient for fixation to the base.
[0018] Furthermore, since the motor fixing frame includes a U-shaped frame body welded on the support frame, a plurality of fixing mounting holes are arranged on the opposite side walls of the frame body; a ferrule is fixed to the outside of the main body of the linear motor, the ferrule is installed inside the frame body, a plurality of fixing nuts are installed on the ferrule, and a fixing bolt threadedly matched with the fixing nut is installed in the fixing mounting hole. Therefore, after adopting the above structure, the main body of the linear motor can be fixed by the ferrule, and then the motor fixing frame can be better fixed to the ferrule, thereby facilitating the installation of the linear motor.
[0019] Furthermore, since the ferrule includes a cylindrical ferrule body, an axial strip opening is provided on the ferrule body, connecting plate portions are provided on both edges of the strip opening, and the connecting plate portions are locked by locking bolts, a plurality of axial mounting ribs are provided on the ferrule body, and an axially extending open nut groove is provided on the axial mounting rib, and the fixing nut is embedded in the nut groove, and the diameter of the opening is smaller than the outer diameter of the fixing nut. The ferrule has a simple structure and can facilitate accurate matching of the fixed mounting holes on the frame body, making assembly simpler and more convenient.
[0020] Furthermore, since a power strip and a network cable interface are also provided on the bottom shell, the power strip can be used to conveniently connect to electricity, and the network cable interface can conveniently connect the medical bed to the network, thereby facilitating intelligent management. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0022] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;
[0023] Figure 2 yes Figure 1 A magnified view of the structure at center A;
[0024] Figure 3 yes Figure 1 The main view;
[0025] Figure 4 yes Figure 1 Left view of
[0026] Figure 5 It is a structural schematic diagram of another angle of the embodiment of the utility model;
[0027] Figure 6 It is a structural schematic diagram of a foot-operated control device in an embodiment of the utility model;
[0028] Figure 7 This is a schematic structural diagram of the foot-operated control device from another angle in an embodiment of the utility model;
[0029] In the attached drawings: 1. walking frame; 2. universal wheel; 3. support frame; 4. weighing sensor; 5. first lifting column; 6. first lifting power device; 7. second lifting column; 8. second lifting power device; 9. third lifting column; 10. third lifting power device; 11. mounting frame; 12. bottom shell; 13. foot control device; 131. control pedal; 132. horizontal fixing plate; 133. side plate; 134. horizontal mounting plate; 135. support tongue plate; 136. hollow hole; 14. protective rod; 15. support beam; 16. motor fixing frame; 161. frame body; 162. fixed mounting hole; 163. hoop; 1631. hoop body; 1632. connecting plate; 1633. axial mounting rib; 17. auxiliary connecting plate; 18. fixing hole. DETAILED DESCRIPTION
[0030] The present invention is further described in detail below through specific embodiments.
[0031] like Figure 1-7 As shown, a lifting base of a three-legged medical bed comprises a walking frame 1, a universal wheel 2 is installed below the walking frame 1, a support frame 3 is installed above the walking frame 1, the support frame 3 is installed on the walking frame 1 through a weighing sensor 4, a first lifting column 5 is fixed to one end of the support frame 3, the first lifting column 5 is driven by a first lifting power device 6, a second lifting column 7 and a third lifting column 9 are fixed to the other end of the support frame 3, the second lifting column 7 and the third lifting column 9 are driven by a second lifting power device 8 and a third lifting power device 10 respectively; the first lifting column 5, the second lifting column 7 and the third lifting column 9 constitute the three vertices of a triangle; the upper ends of the first lifting column 5, the second lifting column 7 and the third lifting column 9 are installed with a mounting frame 11 for fixing the medical bed body, a bottom shell 12 is also installed on the support frame 3, and foot control devices 13 connected to the medical bed controller are installed on both sides of the bottom shell 12.
[0032] In this embodiment, the bottom shell 12 is also provided with a plug row and a network cable interface. The first lifting power device 6, the second lifting power device 8 and the third lifting power device 10 have the same structure and are all linear motors. The first lifting power device 6 and the first lifting column 5 constitute the electric telescopic rod, and the lower end of the first lifting column 5 is fixed with the linear motor. The support frame 3 is fixed with a motor fixing frame 16, and the linear motor is detachably fixed to the motor fixing frame 16; the motor fixing frame 16 includes a U-shaped frame body 161 welded to the support frame 3, and a plurality of fixed mounting holes 162 are provided on the opposite side walls of the frame body 161; a hoop 163 is fixed to the outside of the main body of the linear motor, and the hoop 163 is installed inside the frame body 161, and a plurality of fixing nuts are installed on the hoop 163, and a fixing bolt threadedly matched with the fixing nut is installed in the fixed mounting hole 162.
[0033] The foot control device 13 includes a fixed frame installed on both sides of the bottom shell 12 of the medical bed, and each fixed frame is installed with a plurality of control foot pedals 131, and the control foot pedals 131 are electrically connected to the controller of the medical bed. The fixed frame is provided with an anti-accidental touch device for protecting the control foot pedals 131; the anti-accidental touch device includes a protective rod 14 hinged on both sides of the fixed frame, and the protective rod 14 spans each control foot pedal 131. The fixed frame is provided with support members supporting both sides of the protective rod 14, and the support members support the protective rod 14 to be above the control foot pedal 131.
[0034] The fixing frame includes a horizontal fixing plate portion 132 and side plate portions 133 located on both sides of the horizontal fixing plate portion 132, and a horizontal mounting plate portion 134 is provided at the upper end of the side plate portion 133, and the horizontal mounting plate portion 134 is fixed to the support beam 15 of the base of the medical bed by bolts, and the supporting member is a supporting tongue plate 135, and the supporting tongue plate 135 is located on the side plate portion 133, and the protective rod 14 is hinged to the outer side of the side plate portion 133, and the side plate portion 133 is provided with an insertion hole, and horizontal insertion rod portions are provided at both ends of the protective rod 14, and the horizontal insertion rod portions are inserted into the insertion holes to realize hinge; a hollow hole 136 corresponding to the position of the control foot pedal 131 is provided on the horizontal fixing plate portion 132, and the control foot pedal 131 is fixed on the horizontal fixing plate portion 132 with the bottom exposed.
[0035] The ferrule 163 includes a cylindrical ferrule body 1631, on which an axial strip opening is provided, and connecting plate portions 1632 are provided on the two edges of the strip opening, and the connecting plate portions 1632 are locked by locking bolts, and the ferrule body 1631 is provided with a plurality of axial mounting ribs 1633, and the axial mounting ribs 1633 are provided with axially extending open nut embedding grooves, in which the fixing nuts are embedded, and the diameter of the opening is smaller than the outer diameter of the fixing nuts, and an auxiliary connecting plate 17 is also provided on the support frame 3, and the auxiliary connecting plate 17 is provided with fixing holes 18 corresponding to the positions of two of the nut embedding grooves, and fixing bolts threadedly connected to the corresponding fixing nuts are installed in the fixing holes 18 of the auxiliary connecting plate 17.
[0036] The medical bed is supported by the first lifting column 5, the second lifting column 7 and the third lifting column 9, thus forming a three-point support, and the stability of the medical bed is improved. The coordinated use of the first lifting power device 6, the second lifting power device 8 and the third lifting power device 10 can realize the tilting and deflection of the medical bed. When the medical bed needs to be tilted, the first lifting column 5 rises and the second lifting column 7 and the third lifting column 9 fall, thereby realizing the tilting of the entire medical bed; similarly, the first lifting column 5 can also fall and the second lifting column 7 and the third lifting column 9 can also rise at the same time, so as to realize the tilting in another direction. When the medical bed needs to be deflected, the second lifting power device 8 and the third lifting power device 10 can be used to adjust the heights of the second lifting column 7 and the third lifting column 9 to be unequal. It can be seen from this that the medical bed lifting base of the present application can support the medical bed through three points while also realizing the tilting and deflection of the medical bed.
[0037] In addition, the lifting base can also use a weighing sensor 4 to weigh the support frame 3 and all the components above it. Therefore, when the patient gets on the bed, the weighing sensor 4 will detect the change in weight, thereby quickly detecting the weight of the patient. In addition, foot control devices 13 are set on both sides of the lifting base. The foot control device 13 can control the movement of the medical bed, which is convenient for doctors and nurses to operate from the side. The control pedal 131 can be protected by a protective rod 14 to prevent the patient from getting off the bed or other people from accidentally stepping on the control pedal 131. When the control pedal 131 needs to be operated, it is only necessary to lift the protective rod 14 with the instep to deflect the protective rod 14. The protective rod 14 is always on the instep, and the control pedal 131 can be operated. The bottom shell 12 is also provided with a plug row and a network cable interface. The plug row can be used to conveniently connect electricity, and the network cable interface is convenient for connecting the medical bed to the network, which is convenient for intelligent management.
[0038] The above-described embodiments are merely descriptions of preferred implementations of the present invention and are not intended to limit the scope of the present invention. Various modifications and alterations to the technical solution of the present invention, without departing from the design spirit of the present invention, should fall within the scope of protection defined in the claims of the present invention.
Claims
1. The lifting base of the three-legged medical bed includes a walking frame, and a universal wheel is installed below the walking frame, which is characterized by: A support frame is installed above the walking frame, and the support frame is installed on the walking frame through a weighing sensor. A first lifting column is fixed to one end of the support frame, and the first lifting column is driven by a first lifting power device. A second lifting column and a third lifting column are fixed to the other end of the support frame, and the second lifting column and the third lifting column are driven by a second lifting power device and a third lifting power device respectively; the first lifting column, the second lifting column and the third lifting column constitute three vertices of a triangle; a mounting frame for fixing a medical bed body is installed on the upper ends of the first lifting column, the second lifting column and the third lifting column, and a bottom shell is also installed on the support frame, and foot control devices connected to the medical bed controller are installed on both sides of the bottom shell.
2. The lifting base of the three-legged medical bed according to claim 1, characterized in that: The foot pedal control device includes a fixed frame installed on both sides of the bottom shell of the medical bed, each fixed frame is installed with a plurality of control foot pedals, the control foot pedals are electrically connected to the controller of the medical bed, and the fixed frame is provided with an anti-accidental touch device for protecting the control foot pedals.
3. The lifting base of the three-legged medical bed according to claim 2, characterized in that: The anti-accidental-touch device comprises a protection rod hinged on both sides of the fixing frame, the protection rod spans across each control pedal, and the fixing frame is provided with a support member supporting both sides of the protection rod, the support member supports the protection rod to be above the control pedal.
4. The lifting base of the three-legged medical bed as claimed in claim 3, characterized in that: The fixing frame includes a horizontal fixing plate portion and side plate portions located on both sides of the horizontal fixing plate portion, a horizontal mounting plate portion is arranged at the upper end of the side plate portion, and the horizontal mounting plate portion is fixed to the support beam of the base of the medical bed by bolts, the supporting member is a supporting tongue plate, and the supporting tongue plate is located on the side plate portion, the protective rod is hinged to the outer side of the side plate portion, and an insertion hole is arranged on the side plate portion, and horizontal insertion rod portions are arranged at both ends of the protective rod, and the horizontal insertion rod portions are inserted into the insertion holes to realize hinge.
5. The lifting base of the three-legged medical bed according to claim 4, characterized in that: The horizontal fixed plate portion is provided with a hollow hole corresponding to the position of the control pedal, and the control pedal is fixed on the horizontal fixed plate portion with the bottom exposed.
6. The lifting base of the three-legged medical bed according to any one of claims 1 to 5, characterized in that: The first lifting power device, the second lifting power device and the third lifting power device have the same structure and are all linear motors. The first lifting power device and the first lifting column constitute an electric telescopic rod. The lower end of the first lifting column is fixed with the linear motor. The support frame is fixed with a motor fixing frame. The linear motor is detachably fixed to the motor fixing frame.
7. The lifting base of the three-legged medical bed according to claim 6, characterized in that: The motor fixing frame includes a U-shaped frame body welded on the support frame, and a plurality of fixing installation holes are arranged on the opposite side walls of the frame body; a sleeve is fixed to the outside of the main body of the linear motor, and the sleeve is installed inside the frame body, and a plurality of fixing nuts are installed on the sleeve, and a fixing bolt that matches the thread of the fixing nut is installed in the fixing installation hole.
8. The lifting base of the three-legged medical bed according to claim 7, characterized in that: The ferrule includes a cylindrical ferrule body, an axial strip opening is provided on the ferrule body, connecting plate parts are provided on both edges of the strip opening, and the connecting plate parts are locked by locking bolts, a plurality of axial mounting ribs are provided on the ferrule body, an axially extending open nut embedding groove is provided on the axial mounting rib, the fixing nut is embedded in the nut embedding groove, and the diameter of the opening is smaller than the outer diameter of the fixing nut.
9. The lifting base of the three-legged medical bed according to claim 8, characterized in that: The support frame is also provided with an auxiliary connecting plate, on which fixing holes corresponding to the positions of two nut embedding grooves are provided, and fixing bolts threadedly connected to the corresponding fixing nuts are installed in the fixing holes of the auxiliary connecting plate.
10. The lifting base of the three-legged medical bed according to claim 9, characterized in that: The bottom shell is also provided with a plug row and a network cable interface.
