Bed body adjusting structure of electric medical bed

Abstract

The application belongs to the technical field of electric medical bed body adjustment, and discloses a bed body adjustment structure of an electric medical bed, which comprises a bed main body, support columns are arranged at the bottom corners of the bed main body, pulleys are installed at the bottom ends of the support columns, a bed plate is rotatably connected to one side of the inside of the bed main body, a lifting device is slidably connected to the bottom end of the bed plate, the lifting device comprises a short column, a long groove for the sliding connection of the short column is formed in the lower end surface of the bed plate, a long rod slidably connected with a sleeve rod is constructed, the long rod is driven to translate by the ring on the telescopic rod, the first and second special-shaped gears installed on the long rod are respectively engaged with the third and fourth special-shaped gears when translating, and then the bed plate is selectively driven to rotate and rise or the guardrail equipment is driven to rise upwards, and the adjustment of the armrest and the bed plate is completed by one rotary motor. The application saves the manufacturing cost, is convenient to operate, and can realize the adjustment of multiple parts by one motor.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric medical bed body adjustment, and more particularly to an electric medical bed body adjustment structure. BACKGROUND

[0002] A sickbed generally refers to a nursing bed, which is designed according to the treatment needs of patients and the habits of bed life, and has multiple nursing functions and operation buttons, and uses an insulating safe bed, such as body weight monitoring, back lifting for dining, intelligent turning over, prevention of bedsores, negative pressure urine bed alarm monitoring, moving transportation, rest, rehabilitation, drug infusion, etc. The rehabilitation sickbed can be used alone or in combination with treatment or rehabilitation equipment.

[0003] At present, when a patient needs to have a meal, the side bed plate of the medical bed needs to be raised, which needs to be driven by a motor, and when the patient needs to get out of bed, the handrails on the medical bed need to be lowered, which also needs to be driven by a motor. Using two motors to adjust the bed body of the medical bed will increase the production cost of the medical bed. In view of this, the present application provides an electric medical bed body adjustment structure. SUMMARY

[0004] 1. Technical problem to be solved

[0005] The present application aims to provide an electric medical bed body adjustment structure to solve the problems in the background art.

[0006] 2. Technical solution

[0007] An electric medical bed body adjustment structure, comprising a bed main body:

[0008] The bottom corners of the bed main body are each provided with a support column, the bottom end of the support column is provided with a pulley, the inside of the bed main body is rotatably connected with a bed plate, the bottom end of the bed plate is slidably connected with a lifting device, the lifting device comprises a short column, a long slot for slidably connecting the short column is formed in the lower end surface of the bed plate, two protruding columns for preventing the short column from falling off are symmetrically arranged at the two ends of the short column, a rotating shaft is arranged at the bottom end of the short column, a first threaded rod is rotatably connected to the bottom end of the rotating shaft, a third special-shaped gear is threadedly connected to the outer edge surface of the first threaded rod, and a cylinder is slidably connected to the outer edge surface of the third special-shaped gear.

[0009] Preferably, two fixing rods for fixing the cylinder are symmetrically arranged at the two ends of the cylinder, and a limiting plate for limiting the rotation of the third special-shaped gear is arranged at the bottom end of the cylinder.

[0010] Preferably, a long rod is rotatably installed below the bed body, one end of the long rod is provided with a first special-shaped gear engaged with the third special-shaped gear, and the other end of the long rod is slidably connected with a sleeve rod.

[0011] Preferably, two guardrail devices are symmetrically and slidably connected to the side of the bed body, the guardrail device comprises a handrail, the bottom end of the handrail is provided with a plurality of slide rods slidably connected with the bed body, the bottom end of the handrail is rotatably connected with a second threaded rod, the bottom end of the plurality of slide rods and the second threaded rod extends out of the lower end surface of the bed body, the lower end surface of the bed body is provided with a protection box sleeved with the plurality of slide rods and the second threaded rod, and the outer edge surfaces of the two second threaded rods are threadedly connected with a linkage device.

[0012] Preferably, the linkage device comprises a conveyor belt, and bearings are installed at both ends of the inside of the conveyor belt, and the inner edge surfaces of the bearings are threadedly connected with the second threaded rods.

[0013] Preferably, the inner edge surface of the conveyor belt is provided with a first gear tooth engaged with the outer edge surface of the bearing.

[0014] Preferably, a long gear is rotatably connected to the bottom end of the bed body, the outer edge surface of the conveyor belt is provided with a second gear tooth, and the outer edge surface of the long gear is engaged with the second gear tooth.

[0015] Preferably, a fourth special-shaped gear is slidably connected to the bottom end of the long gear, the side of the long rod towards the long gear is provided with a second special-shaped gear engaged with the fourth special-shaped gear, the bottom end of the bed body is provided with a vertical cylinder, a thin rod is slidably connected to the bottom end of the vertical cylinder, and the bottom end of the thin rod abuts against the upper end surface of the fourth special-shaped gear.

[0016] Preferably, the outer edge surface of the thin rod is provided with a horizontal plate extending into the long gear, the outer edge surface of the long gear is provided with a circular hole for inserting the horizontal plate, and the bottom end of the horizontal plate is provided with a buckle, and a plurality of circular grooves for inserting the buckle are formed in the long gear.

[0017] Preferably, the bottom end of the fixed rod is provided with a vertical plate, an extension rod is arranged on the vertical plate, and a circular ring rotatably connected with the long rod is installed on the extension rod.

[0018] 3. Beneficial effects

[0019] Compared with the prior art, the present application has the following advantages:

[0020] This invention constructs a long rod slidably connected to a telescopic rod. A ring on the telescopic rod drives the long rod to translate. During translation, a first and second irregularly shaped gear mounted on the long rod mesh with a third and a fourth irregularly shaped gear, respectively, thereby selectively rotating and raising the bed board or lifting the guardrails. A single rotary motor completes the adjustment of the handrails and bed board. This invention saves manufacturing costs and is easy to operate, allowing adjustment of multiple parts with a single motor. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the present invention;

[0022] Figure 2 For the present invention Figure 1 Schematic diagram of the cross section at point AA;

[0023] Figure 3 For the present invention Figure 2 Schematic diagram of the lifting device;

[0024] Figure 4 For the present invention Figure 2 Enlarged schematic diagram of the structure at point B;

[0025] Figure 5 For the present invention Figure 1 Cross-sectional schematic diagram of the guardrail equipment;

[0026] Figure 6 For the present invention Figure 5 Schematic diagram of the intermediate linkage device;

[0027] Figure 7 For the present invention Figure 2 Enlarged schematic diagram of the structure at point C;

[0028] Figure 8 For the present invention Figure 7 An enlarged schematic diagram of the structure at point D.

[0029] Label explanation in the figure: 1, bed main body; 101, support column; 102, bed plate; 103, long slot; 104, protection box; 2, lifting device; 201, short column; 202, convex column; 203, rotating shaft; 204, first threaded rod; 205, cylinder; 206, third special gear; 207, limiting plate; 208, fixed rod; 3, long rod; 301, first special gear; 302, second special gear; 303, sleeve rod; 304, rotating motor; 4, vertical plate; 401, telescopic rod; 402, circular ring; 5, guardrail equipment; 501, handrail; 502, sliding rod; 503, second threaded rod; 6, linkage device; 601, conveyor belt; 602, first gear tooth; 603, second gear tooth; 604, bearing; 7, long gear; 701, fourth special gear; 702, vertical cylinder; 703, thin rod; 704, horizontal plate; 705, buckle; 706, circular groove. DETAILED DESCRIPTION

[0030] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0031] In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0032] Please refer to Figures 1-8 The present application provides a technical solution:

[0033] The bed body adjusting structure of an electric medical bed comprises a bed main body 1, support columns 101 are arranged at the bottom ends of the four corners of the bed main body 1, pulleys are installed at the bottom ends of the support columns 101, a bed plate 102 is rotationally connected to one side of the inside of the bed main body 1, a lifting device 2 is slidingly connected to the bottom end of the bed plate 102, the lifting device 2 comprises a short column 201, a long groove 103 for slidingly connecting the short column 201 is arranged on the bottom end face of the bed plate 102, two convex columns 202 for preventing the short column 201 from falling off are symmetrically arranged at the two ends of the short column 201, a rotating shaft 203 is arranged at the bottom end of the short column 201, a first threaded rod 204 is rotationally connected to the bottom end of the rotating shaft 203, a third special-shaped gear 206 is threadedly connected to the outer edge face of the first threaded rod 204, a cylinder 205 is slidingly connected to the outer edge face of the third special-shaped gear 206, and the clamping and sliding connection refers to a connection mode that can only slide relatively but cannot rotate relatively. When the electric medical bed is used, the first special-shaped gear 301 is abutted against the third special-shaped gear 206 by retracting the telescopic rod 401, the third special-shaped gear 206 is moved upward, the rotation of the third special-shaped gear 206 is released by the limiting plate 207, then the long rod 3 is rotated by the rotating motor 304, the first special-shaped gear 301 meshes with the third special-shaped gear 206, the third special-shaped gear 206 is screw-coupled with the first threaded rod 204, the first threaded rod 204 is lifted, the bed plate 102 is rotated and lifted, and the short column 201 and the convex column 202 slide in the long groove 103 when the first threaded rod 204 is lifted.

[0034] In order to prevent the bed plate from automatically descending, the application further discloses a more specific structure of a schematic diagram, the lifting device 2 comprises a short column 201, a long groove 103 for slidingly connecting the short column 201 is arranged on the bottom end face of the bed plate 102, two convex columns 202 for preventing the short column 201 from falling off are symmetrically arranged at the two ends of the short column 201, a rotating shaft 203 is arranged at the bottom end of the short column 201, a first threaded rod 204 is rotationally connected to the bottom end of the rotating shaft 203, a third special-shaped gear 206 is threadedly connected to the outer edge face of the first threaded rod 204, a cylinder 205 is slidingly connected to the outer edge face of the third special-shaped gear 206, two fixing rods 208 for fixing the cylinder 205 are symmetrically arranged at the two ends of the cylinder 205, a limiting plate 207 for limiting the rotation of the third special-shaped gear 206 is arranged at the bottom end of the cylinder 205, the bed plate can be prevented from automatically descending after being lifted, and the threaded rod can be prevented from automatically rotating by clamping the limiting plate 207 and the third special-shaped gear 206.

[0035] Wherein, in order to prevent the handrail from automatically descending, the application further discloses a more specific structure of the schematic diagram, the guardrail device 5 comprises a handrail 501, the bottom end of the handrail 501 is provided with a plurality of sliding rods 502 which are in sliding connection with the bed main body 1, the bottom end of the handrail 501 is rotatably connected with a second threaded rod 503, the bottom ends of the plurality of sliding rods 502 and the second threaded rod 503 extend out of the lower end surface of the bed main body 1, the lower end surface of the bed main body 1 is provided with a protection box 104 which is sleeved with the plurality of sliding rods 502 and the second threaded rod 503, the outer edge surfaces of the two second threaded rods 503 are threadedly connected with a linkage device 6, the linkage device 6 comprises a conveyor belt 601, the inner ends of the conveyor belt 601 are both provided with bearings 604, the inner edge surfaces of the bearings 604 are threadedly connected with the second threaded rods 503, the inner edge surface of the conveyor belt 601 is provided with a first gear tooth 602 which is engaged with the outer edge surface of the bearing 604, the bottom end of the bed main body 1 is rotatably connected with a long gear 7, the outer edge surface of the conveyor belt 601 is provided with a second gear tooth 603, the outer edge surface of the long gear 7 is engaged with the second gear tooth 603, the bottom end of the long gear 7 is slidably clamped and connected with a fourth special gear 701, the outer edge surface of the long rod 3 on the side facing the long gear 7 is provided with a second special gear 302 which is engaged with the fourth special gear 701, the bottom end of the bed main body 1 is provided with a vertical cylinder 702, the bottom end of the vertical cylinder 702 is slidably connected with a thin rod 703, the bottom end of the thin rod 703 abuts against the upper end surface of the fourth special gear 701, the outer edge surface of the thin rod 703 is provided with a horizontal plate 704 which extends into the long gear 7, the outer edge surface of the long gear 7 is provided with a circular hole for the horizontal plate 704 to be inserted, the bottom end of the horizontal plate 704 is provided with a buckle 705, the long gear 7 is provided with a plurality of circular grooves 706 for the buckle 705 to be inserted, and the long gear 7 is prevented from rotating by being clamped in the circular grooves 706.

[0036] The basic principle, main features and advantages of the application are shown and described above. It should be understood by those skilled in the art that the application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the application and are not intended to limit the application. Without departing from the spirit and scope of the application, various changes and improvements can be made to the application, and these changes and improvements all fall within the scope of the claimed application. The scope of protection of the application is defined by the appended claims and their equivalents.

Claims

1. A bed adjustment structure for an electric medical bed, characterized in that, Including the main body of the bed (1): The bed body (1) has four support columns (101) at the bottom corners. The bottom of the support columns (101) is equipped with pulleys. The bed board (102) is rotatably connected to one side of the bed body (1). The bottom of the bed board (102) is slidably connected to a lifting device (2). The lifting device (2) includes a short column (201). The lower end of the bed board (102) is provided with a long groove (103) for the short column (201) to slide. The two ends of the short column (201) are symmetrically constructed with two protruding columns (202) to prevent the short column (201) from falling off. The bottom of the short column (201) is provided with a rotating shaft (203). The bottom of the rotating shaft (203) is rotatably connected to a first threaded rod (204). The upper part of the outer edge of the first threaded rod (204) is threadedly connected to a third special gear (206). The outer edge of the third special gear (206) is slidably connected to a cylinder (205). The cylinder (205) has two symmetrically arranged fixing rods (208) at both ends for fixing the cylinder (205), and the bottom end of the cylinder (205) has a limiting plate (207) for restricting the rotation of the third shaped gear (206). A long rod (3) is rotatably mounted below the bed body (1). The end of the long rod (3) facing the lifting device (2) is equipped with a first special gear (301) that meshes with the third special gear (206). The end of the long rod (3) away from the lifting device (2) is slidably locked and sleeved with a sleeve rod (303). A rotary motor (304) that drives the sleeve rod (303) to rotate is installed at the bottom of the bed body (1). Two guardrail devices (5) are symmetrically slidably connected to the side of the bed body (1). The guardrail device (5) includes a handrail (501). The bottom end of the handrail (501) is equipped with a plurality of sliding rods (502) that are slidably connected to the bed body (1). The bottom end of the handrail (501) is rotatably connected with a second threaded rod (503). The bottom ends of the plurality of sliding rods (502) and the second threaded rod (503) extend out of the lower end face of the bed body (1). The lower end face of the bed body (1) is equipped with a protective box (104) that sleeves the plurality of sliding rods (502) and the second threaded rod (503). The outer edges of the two second threaded rods (503) are threadedly connected to a linkage device (6). The linkage device (6) includes a conveyor belt (601), and bearings (604) are installed at both ends of the conveyor belt (601). The inner edge of the bearing (604) is threadedly connected to the second threaded rod (503). The inner edge of the conveyor belt (601) is constructed with a first tooth (602) that meshes with the outer edge of the bearing (604). The bottom end of the bed body (1) is rotatably connected to a long gear (7), and the outer edge of the conveyor belt (601) is constructed with a second gear tooth (603), and the outer edge of the long gear (7) meshes with the second gear tooth (603); The bottom end of the long gear (7) is slidably connected to a fourth shaped gear (701). The outer edge of the long rod (3) facing the long gear (7) is constructed with a second shaped gear (302) that meshes with the fourth shaped gear (701). The bottom end of the bed body (1) is constructed with a vertical cylinder (702). The bottom end of the vertical cylinder (702) is slidably connected with a thin rod (703). The bottom end of the thin rod (703) abuts against the upper end surface of the fourth shaped gear (701).

2. The bed adjustment structure of an electric medical bed according to claim 1, characterized in that, The outer edge of the thin rod (703) is provided with a horizontal plate (704) extending into the long gear (7). The outer edge of the long gear (7) is provided with a round hole for the horizontal plate (704) to be inserted. The bottom end of the horizontal plate (704) is provided with a buckle (705). The long gear (7) is provided with a plurality of round grooves (706) for the buckle (705) to be inserted.

3. The bed adjustment structure of an electric medical bed according to claim 1, characterized in that, The bottom end of the fixed rod (208) is constructed with a vertical plate (4), and a telescopic rod (401) is provided on the vertical plate (4). A ring (402) that is rotatably connected to the long rod (3) is installed on the telescopic rod (401).

Images