CN215274101U - Nursing bed frame - Google Patents

Abstract

The application discloses a nursing bed frame, which comprises a main body frame, a back lifting frame, a middle frame, a leg lifting frame, a first driving device for driving the back lifting frame, a second driving device for driving the leg lifting frame and a supporting device; the leg lifting frame consists of two independent plate frames which are arranged in parallel at the left and the right; the supporting device comprises two supporting mechanisms; two supporting mechanism install respectively on the main body frame, and be used for supporting the grillage respectively, and supporting mechanism includes: the supporting arm, the connecting arm and the ejector are arranged on the supporting arm; the top end of the connecting arm is provided with a supporting part contacted with the bottom of the plate frame, and the bottom end of the connecting arm is provided with a hinged part hinged with the main body frame; the telescopic end of the ejector is connected with the supporting arm through a connecting arm and is used for driving the supporting arm to rotate around the self hinge part; the first end of the connecting arm is fixedly connected with the supporting arm, and the second end of the connecting arm is hinged with the telescopic end of the ejector; the fixed end of the ejector is hinged with the main body frame. Leg is lifted and is fallen the motion about can independently driving, improves and uses experience, and holistic stable in structure is better moreover.

Description

Nursing bed frame

Technical Field

The application relates to the technical field of nursing beds, in particular to a nursing bed frame.

Background

Nursing beds, including electric nursing beds and manual nursing beds, are hospital beds used by patients who are inconvenient to move in hospital or at home for nursing, and mainly aim to facilitate nursing staff to take care of the patients. The existing nursing bed is usually designed with a back-lifting frame and a leg-lifting frame part for assisting a patient to get up, lift legs and rehabilitate, etc. In order to avoid influencing the lifting motion of the leg lifting frame, a support structure is not arranged below the leg lifting frame, and the leg lifting frame is directly hinged with the main bed frame and driven by the leg lifting mechanism. Namely, the leg lifting mechanism is used as a supporting structure of the leg lifting frame when not in operation. However, the load of the leg lifting driving mechanism is increased when the leg lifting driving mechanism is not operated, and meanwhile, the risk of excessive load caused by a person sitting on the leg lifting frame exists, the service life is influenced, and the stability of the whole structure is poor. Moreover, the existing leg lifting frame cannot independently drive the left leg and the right leg to carry out lifting movement, and the use experience is not enough.

SUMMERY OF THE UTILITY MODEL

In view of this, the purpose of this application is to provide a nursing bed bedstead, can independently drive about the leg carry and fall the motion, improve and use experience, holistic stable in structure is better moreover.

In order to achieve the technical purpose, the application provides a nursing bed frame, which comprises a main body frame, a back lifting frame, a middle frame, a leg lifting frame, a first driving device, a second driving device and a supporting device;

the back lifting frame, the middle frame and the leg lifting frame are sequentially arranged at the top of the main body frame;

the leg lifting frame consists of two independent plate frames which are arranged in parallel at the left and the right;

the first driving device is arranged in the main body frame and used for driving the back lifting frame;

the second driving device is arranged in the main body frame and is used for driving the plate racks respectively;

the supporting device comprises two supporting mechanisms;

two supporting mechanism installs respectively on the main body frame, and be used for supporting respectively the grillage, supporting mechanism includes:

the supporting arm, the connecting arm and the ejector are arranged on the supporting arm;

the top end of the connecting arm is provided with a supporting part contacted with the bottom of the plate frame, and the bottom end of the connecting arm is provided with a hinged part hinged with the main body frame;

the telescopic end of the ejector is connected with the supporting arm through the connecting arm and is used for driving the supporting arm to rotate around the hinge part of the supporting arm;

the first end of the connecting arm is fixedly connected with the supporting arm, and the second end of the connecting arm is hinged with the telescopic end of the ejector;

the fixed end of the ejector is hinged with the main body frame.

Further, the supporting arm comprises a U-shaped arm and a straight arm;

the bottom beam section of the U-shaped arm is connected with the first end of the straight arm and is distributed in a Y shape with the straight arm;

the supporting parts are arranged at the tops of the beam sections on the two sides of the U-shaped arm;

the hinged part is arranged at the second end of the straight arm.

Furthermore, the supporting part is square and is vertically arranged on the tops of the beam sections on the two sides of the U-shaped arm.

Further, the first end of the connecting arm is fixedly connected with the straight arm at a position close to the hinge part along a direction perpendicular to the U-shaped opening of the U-shaped arm.

Further, the connecting arm is V-shaped, and the V-shaped opening is downward.

Furthermore, the second end of the connecting arm is provided with an avoiding notch for the telescopic end of the ejector to extend into.

Furthermore, a plurality of connecting stations detachably connected with the first end of the connecting arm are arranged on the straight arm along the length direction at intervals.

Further, the thruster is specifically an electric push rod.

Furthermore, the device also comprises a limit switch and an induction sheet;

the induction sheet is arranged on the straight arm and is used for triggering the limit switch;

the limit switch is arranged on one side of the hinged part along the direction of the rotation center line of the hinged part and is used for limiting the rotation angle of the induction sheet.

Furthermore, the limit switch consists of a first travel switch and a second travel switch;

the first travel switch is used for limiting a first rotation angle of the supporting arm;

the second travel switch is used for limiting a second rotation angle of the connecting arm.

According to the technical scheme, the leg lifting frame is arranged to be composed of the two plate frames which are mutually independent and arranged in parallel in the left and right directions, the two plate frames are respectively driven by the second driving mechanism, and then the left leg and the right leg are independently driven to lift and fall, so that the use experience is improved. The supporting device can be used for supporting the leg lifting frame, the rotating angle of the supporting arm is adjusted by the ejector, and before the leg lifting frame is lifted and lowered, the supporting arm can be rotated to an angle which does not interfere with the leg lifting frame by controlling the ejector; and when the leg lifting frame finishes moving, the ejector can be driven, so that the supporting arm is reset to support the leg lifting frame. Thereby can reduce second drive arrangement's load, guarantee its life, also make nursing bed overall structure stability better.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of a bed frame of a nursing bed provided in the present application;

FIG. 2 is a schematic view of a first partial structure of a frame of a nursing bed provided in the present application;

FIG. 3 is a second partial schematic view of a frame of a nursing bed provided in the present application;

in the figure: 1. a support arm; 11. a U-shaped arm; 12. a straight arm; 111. a support portion; 121. a hinge portion; 2. A connecting arm; 3. a pusher; 4. a limit switch; 41. a first travel switch; 42. a second travel switch; 5. an induction sheet; 100. a main body frame; 101. a guardrail; 102. a first fixed beam; 103. a second fixed beam; 200. a back lifting frame; 300. a middle frame; 400. a leg raising frame; 401. a plate frame; 402. a connecting rod; 501. a front baffle; 502. a tailgate.

Detailed Description

The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

The embodiment of the application discloses a nursing bed frame.

Referring to fig. 1 and fig. 3, an embodiment of a frame of a nursing bed provided in an embodiment of the present application includes:

a main body frame 100, a back-up frame 200, a middle frame 300, a leg-raising frame 400, a first driving means (not shown), a second driving means (not shown), and a supporting means; the back raising frame 200, the middle frame 300 and the leg raising frame 400 are sequentially installed at the top of the main body frame 100; the leg raising frame 400 is composed of two independent plate frames 401 arranged in parallel left and right; the first driving means is installed in the main body frame 100 for driving the back-up frame 200; the second driving means is installed in the main body frame 100 for driving the plate frames 401, respectively; the supporting device comprises two supporting mechanisms; two supporting mechanisms are respectively installed on the main body frame 100 and are respectively used for supporting the plate frame 401, and the supporting mechanisms include: the device comprises a supporting arm 1, a connecting arm 2 and a pusher 3; the top end of the connecting arm 2 is provided with a supporting part 111 contacting with the bottom of the plate frame 401, and the bottom end is provided with a hinge part 121 hinged with the main body frame 100; the telescopic end of the ejector 3 is connected with the support arm 1 through the connecting arm 2 and is used for driving the support arm 1 to rotate around the hinge part 121 of the support arm; the first end of the connecting arm 2 is fixedly connected with the supporting arm 1, and the second end of the connecting arm is hinged with the telescopic end of the ejector 3; the fixed end of the ejector 3 is hinged to the main body frame 100.

Specifically, the main body frame 100, the back-up frame 200 and the middle frame 300 may be conventional nursing bed application structures, and are not particularly limited; the back lifting frame 200, the middle frame 300 and the leg lifting frame 400 are sequentially arranged on the main body frame 100 along the direction from the head of the nursing bed to the tail of the nursing bed, a front baffle 501 can be arranged at the head of the main body frame 100, and a rear baffle 502 can be arranged at the tail of the corresponding leg lifting frame 400; the first drive means and the second drive means may be push rod drive means for conventional nursing bed applications, and are not particularly limited. Further, guard rails 101 may be provided at both sides of the main body frame 100, respectively. In the case of the leg raising frame 400, the leg raising frame 400 is designed to be composed of two plate frames 401 shown in fig. 1 in parallel, that is, the left leg and the right leg of the patient are independently raised and lowered to improve the use experience. In addition, the plate frame 401 is structurally designed to be formed by splicing two plate frame 401 units, wherein in order to enable the two plate frames 401 to synchronously move in a lifting mode, a connecting rod 402 shown in fig. 3 can be added, one end of the connecting rod 402 is hinged with the bottom of the plate frame 401 unit on the outer side, and the other end of the connecting rod 402 is hinged with the main body frame 100; when the second driving device drives the inner side plate frame 401 to move up and down, the connecting rod 402 can drive the outer side plate frame 401 to move synchronously. The purpose of the design is to make the whole frame more modular, improve the convenience of maintenance and replacement, and make proper changes based on the design.

In addition, taking the plate frame 401 as two plate frame 401 units as an example, when the supporting arm 1 supports, the supporting portion 111 can contact with the joint of the two plate frame 401 units, that is, the supporting arm 1 is disposed below the middle position of the plate frame 401, so as to perform a more balanced supporting function. Meanwhile, in order to facilitate the installation of the supporting device, the main structure may be provided with a first fixing beam 102 and a second fixing beam 103 as shown in fig. 1 below the leg raising frame 400, so as to facilitate the installation and fixation of the supporting device, which is not limited in particular.

According to the technical scheme, the leg lifting frame 400 is arranged to be composed of the two plate frames 401 which are mutually independent and arranged in parallel left and right, the two plate frames are respectively driven by the second driving mechanism, and then the left leg and the right leg are independently driven to lift and fall, so that the use experience is improved. Moreover, the supporting device can be used for supporting and lifting the leg rest 400, the rotation angle of the supporting arm 1 can be adjusted by using the ejector 3, and before the leg rest 400 is lifted and lowered, the ejector 3 can be controlled to enable the supporting arm 1 to rotate to an angle which does not interfere with the movement of the leg rest 400; when the leg raising frame 400 finishes moving, the ejector 3 can be driven, so that the support arm 1 is reset to support the leg raising frame 400. Thereby can reduce second drive arrangement's load, guarantee its life, also make nursing bed overall structure stability better.

The above is a first embodiment of a bed frame of a nursing bed provided in the present application, and the following is a second embodiment of a bed frame of a nursing bed provided in the present application, please refer to fig. 1 to 3 specifically.

A nursing bed frame comprises a main body frame 100, a back lifting frame 200, a middle frame 300, a leg lifting frame 400, a first driving device, a second driving device and a supporting device; the back raising frame 200, the middle frame 300 and the leg raising frame 400 are sequentially installed at the top of the main body frame 100; the leg raising frame 400 is composed of two independent plate frames 401 arranged in parallel left and right; the first driving means is installed in the main body frame 100 for driving the back-up frame 200; the second driving means is mounted on the main body frame 100 for driving the plate frames 401, respectively; the supporting device comprises two supporting mechanisms; two supporting mechanism install respectively in main body frame 100, and be used for supporting plate frame 401 respectively, and supporting mechanism includes: the device comprises a supporting arm 1, a connecting arm 2 and a pusher 3; the top end of the connecting arm 2 is provided with a supporting part 111 contacting with the bottom of the plate frame 401, and the bottom end is provided with a hinge part 121 hinged with the main body frame 100; the telescopic end of the ejector 3 is connected with the support arm 1 through the connecting arm 2 and is used for driving the support arm 1 to rotate around the hinge part 121 of the support arm; the first end of the connecting arm 2 is fixedly connected with the supporting arm 1, and the second end of the connecting arm is hinged with the telescopic end of the ejector 3; the fixed end of the ejector 3 is hinged to the main body frame 100.

Further, the support arm 1 includes a U-shaped arm 11 and a straight arm 12; the bottom beam section of the U-shaped arm 11 is connected with the first end of the straight arm 12 and is distributed in a Y shape with the straight arm 12; the supporting part 111 is arranged at the tops of the beam sections at two sides of the U-shaped arm 11; the hinge 121 is provided at the second end of the straight arm 12. As shown in fig. 1 and 2, the support arm 1 is designed into a Y-like shape as a whole, so that the number of support contact points of the support arm 1, that is, the number of the support portions 111 can be increased, and a more stable support effect can be provided. Of course, other structural designs may be adopted, and those skilled in the art may make appropriate changes based on the above design without limitation.

Further, the supporting portion 111 is square and vertically disposed on the top of the beam sections at two sides of the U-shaped arm 11 to increase the contact area with the leg-raising frame 400, thereby providing a better supporting effect. In addition, articulated portion 121 in this application is the arc, and has seted up the hinge hole. As shown in fig. 2, when the hinge portion 121 is fixed to the second fixed beam, the hinge portion can be engaged with the second fixed beam via the hinge hole, and is not limited.

Further, the first end of the connecting arm 2 is fixedly connected with the straight arm 12 at a position close to the hinge portion 121 along a direction perpendicular to the U-shaped opening of the U-shaped arm 11. That is, the support arm 1 can rotate toward the U-shaped opening of the U-shaped arm 11, rather than rotate along the side beam section of the U-shaped arm 11, so as to ensure a larger rotation space.

Further, the connecting arm 2 is V-shaped, and the V-shaped opening is downward. Design into type V and opening down with linking arm 2, can compress the whole length of linking arm 2 to reduce installation space's occupation, make overall structure compacter, the erection joint is also more convenient. Those skilled in the art can make appropriate changes based on the above without limitation.

In addition, a plurality of connecting stations detachably connected with the first end of the connecting arm 2 are arranged on the straight arm 12 at intervals along the length direction; the first end of linking arm 2 can be with be between the straight arm 12 and dismantle the connection cooperation, and be connected through the connection station with co-altitude not, can realize different mounting height and adjust to can adapt to the pusher 3 of co-altitude not installation, improve the convenience of installation and debugging. The demountable installation cooperation mode can be for example down, the installation station can be slot (not shown in the figure), and the first end of linking arm 2 can be the arch (not shown in the figure) that inserts the slot, wherein be equipped with the first mounting hole that runs through in the arch, then can be equipped with a plurality of one-by-one on the straight arm 12 and run through the slot, and with first mounting hole complex second mounting hole, when the installation is fixed, insert the slot of required height with the arch and aim at first mounting hole and second mounting hole, the rethread inserts fasteners such as fixed pin and fixes, thereby can realize the demountable installation. Those skilled in the art can make appropriate changes based on this.

Furthermore, the second end of the connecting arm 2 is provided with an avoiding notch into which the telescopic end of the ejector 3 extends. As shown in fig. 2, an avoiding notch (not shown) is provided to facilitate the installation between the connecting arm 2 and the ejector 3, which is not limited in particular. In addition, the connecting arm 2 and the telescopic end of the ejector 3, the fixed end of the ejector 3 and the fixed part of the hinge part 121 in the application can be hinged and fixed through fasteners such as a pin shaft and the like.

Further, the ejector 3 may be specifically an electric push rod. The device can also be a pneumatic push rod and the like, wherein the electric push rod is more accurate and convenient to control, and the technical personnel in the field can also make proper changes according to actual needs. Taking the electric push rod as an example, the electric push rod can be connected with a control system of the nursing bed, so that the control is more convenient.

Furthermore, the device also comprises a limit switch 4 and an induction sheet 5; the induction sheet 5 is arranged on the straight arm 12 and is used for triggering the limit switch 4; the limit switch 4 is installed at one side of the hinge portion 121 along a rotation center line direction of the hinge portion 121, and is used for limiting a rotation angle of the sensing piece 5. Whether the supporting arm 1 reaches the preset rotating angle or not can be judged through the limit switch 4, signals are fed back to a nursing bed control system, the ejector 3 is controlled to be closed in time, and more accurate rotating angle control of the supporting arm 1 is achieved.

Further, the limit switch 4 is composed of a first travel switch 41 and a second travel switch 42, and certainly, may also be composed of a first photoelectric switch and a second photoelectric switch, taking the travel switches as an example, the triggering mode of the sensing piece 5 is that the sensing piece 5 contacts the travel switch to complete triggering, and if the photoelectric switch is, the triggering mode of the sensing piece 5 enters the sensing groove of the photoelectric switch to complete triggering; taking the travel switch as an example, the first travel switch 41 is used for limiting a first rotation angle of the support arm 1; the second travel switch 42 is used to limit the second angle of rotation of the connecting arm 2. Wherein, the first rotation angle can be 90 °, that is, the connecting arm 2 is ensured to be in a vertical state, so as to realize stable support; the second rotation angle may be designed according to actual needs, and does not interfere with the movement of the leg-raising frame 400. The above means can be appropriately changed by those skilled in the art based on the above means, and are not particularly limited.

While the present invention has been described with reference to the drawings, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A nursing bed frame is characterized by comprising a main body frame, a back lifting frame, a middle frame, a leg lifting frame, a first driving device, a second driving device and a supporting device;

the back lifting frame, the middle frame and the leg lifting frame are sequentially arranged at the top of the main body frame;

the leg lifting frame consists of two independent plate frames which are arranged in parallel at the left and the right;

the first driving device is arranged in the main body frame and used for driving the back lifting frame;

the second driving device is arranged in the main body frame and is used for driving the plate racks respectively;

the supporting device comprises two supporting mechanisms;

two supporting mechanism installs respectively on the main body frame, and be used for supporting respectively the grillage, supporting mechanism includes:

the supporting arm, the connecting arm and the ejector are arranged on the supporting arm;

the top end of the connecting arm is provided with a supporting part contacted with the bottom of the plate frame, and the bottom end of the connecting arm is provided with a hinged part hinged with the main body frame;

the telescopic end of the ejector is connected with the supporting arm through the connecting arm and is used for driving the supporting arm to rotate around the hinge part of the supporting arm;

the first end of the connecting arm is fixedly connected with the supporting arm, and the second end of the connecting arm is hinged with the telescopic end of the ejector;

the fixed end of the ejector is hinged with the main body frame.

2. A nursing bed frame as defined in claim 1 wherein the support arms include U-shaped arms and straight arms;

the bottom beam section of the U-shaped arm is connected with the first end of the straight arm and is distributed in a Y shape with the straight arm;

the supporting parts are arranged at the tops of the beam sections on the two sides of the U-shaped arm;

the hinged part is arranged at the second end of the straight arm.

3. A nursing bed frame as claimed in claim 2 wherein the support is square and is positioned vertically on top of the two side beam sections of the U-shaped arm.

4. A nursing bed frame as defined in claim 2 wherein the first end of the connecting arm is fixedly connected to the straight arm adjacent the hinge in a direction perpendicular to the U-shaped mouth of the U-shaped arm.

5. A nursing bed frame as claimed in claim 4, characterized in that the connecting arms are V-like and the V-shaped mouth is directed downwards.

6. A nursing bed frame as claimed in claim 5 wherein the second end of the connecting arm is provided with an escape notch into which the telescopic end of the pusher extends.

7. A nursing bed frame as claimed in claim 5 wherein the straight arms are provided with a plurality of connection stations at longitudinally spaced intervals for releasable connection to the first ends of the connection arms.

8. A nursing bed frame according to claim 5, characterised in that the ejector is embodied as an electric push rod.

9. The nursing bed frame of claim 2, further comprising a limit switch and a sensing piece;

the induction sheet is arranged on the straight arm and is used for triggering the limit switch;

the limit switch is arranged on one side of the hinged part along the direction of the rotation center line of the hinged part and is used for limiting the rotation angle of the induction sheet.

10. A nursing bed base as claimed in claim 9 wherein the limit switch is comprised of a first travel switch and a second travel switch;

the first travel switch is used for limiting a first rotation angle of the supporting arm;

the second travel switch is used for limiting a second rotation angle of the connecting arm.

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