CN210785085U

CN210785085U - Three-motor electric bed

Info

Publication number: CN210785085U
Application number: CN201921426754.8U
Authority: CN
Inventors: 何民瀚
Original assignee: Chengdu Haohan Medical Equipment Co ltd
Current assignee: Chengdu Haohan Medical Equipment Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-19
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a three motor beddo belongs to medical equipment technical field, including putting on the shelf and the undercarriage, be provided with three motor element between putting on the shelf and the undercarriage, three motor element include whole elevator motor, back elevator motor and shank elevator motor, and whole elevator motor transmission is connected with first hinge bar, and the fixed hinge joint of first hinge bar lower extreme has the second hinge bar, and second hinge bar lower extreme is articulated with first articulated arm, and first articulated arm lower extreme is fixed to be set up on the undercarriage, is formed with first pin joint between first hinge bar and the second hinge bar, and fixed hinge joint has synchronous hinge bar and fifth hinge bar on the first pin joint, synchronous hinge bar articulates the synchronizing bar, fifth hinge bar upper end and last frame fixed connection. In order to solve the problems of complex structure and high manufacturing cost of a four-motor in the prior art, the three-electrode electric bed has the characteristics of ascending and descending and adjustable inclination angle of the bed surface.

Description

Three-motor electric bed

Technical Field

The utility model belongs to the technical field of medical equipment, specifically relate to a three motor beddo.

Background

The existing electric medical bed generally adopts three motors or four motors to drive the bed body to ascend, but generally adopts four motors for adjusting the inclination angle of the bed surface, the four motors have complex structure and higher manufacturing cost, the purchasing cost is a huge burden for hospitals, and designers develop a three-electrode electric bed which has simple structure, can ascend and descend and can adjust the inclination angle of the bed surface at present.

Disclosure of Invention

The utility model aims to provide a: in order to solve the problems of complex structure and high manufacturing cost of a four-motor in the prior art, the three-electrode electric bed has the characteristics of ascending and descending and adjustable inclination angle of the bed surface.

The utility model adopts the technical scheme as follows:

a three-motor electric bed comprises an upper frame and a lower frame, wherein three motor assemblies are arranged between the upper frame and the lower frame, each three motor assembly comprises an integral lifting motor, a back lifting motor and a leg lifting motor, the integral lifting motor is in transmission connection with a first hinge rod, the lower end of the first hinge rod is fixedly hinged with a second hinge rod, the lower end of the second hinge rod is hinged with a first support arm, the lower end of the first support arm is fixedly arranged on the lower frame, a first hinge point is formed between the first hinge rod and the second hinge rod, the first hinge point is fixedly hinged with a synchronous hinge rod and a fifth hinge rod, the synchronous hinge rod is hinged with a synchronous rod, and the upper end of the fifth hinge rod is fixedly connected with the upper frame;

a chute is formed in one end, away from the synchronous hinge rod, of the synchronous rod, a third hinge rod is connected in the chute in a sliding manner, the lower end of the third hinge rod is fixedly connected with a fourth hinge rod, a second hinge point is formed between the third hinge rod and the fourth hinge rod, a second support arm is hinged to the lower end of the fourth hinge rod, the second support arm is fixedly arranged on the lower frame, a sixth hinge rod is hinged to the second hinge point, and the upper end of the sixth hinge rod is fixedly connected with the upper frame;

the sixth hinge rod is hinged with an inclined handle, the inclined handle is provided with a clamping groove matched with the third hinge rod, the inclined handle is clamped with the third hinge rod, and the inclined handle, the third hinge rod and the sixth hinge rod are formed into a triangular structure.

The utility model discloses a further preferred, first hinge bar, synchronous hinge bar and second hinge bar mutually incline and are formed with the contained angle.

The utility model discloses a further preferred, back elevator motor transmission is connected with the back hinge bar, and the back hinge bar articulates there is the back bed surface, and the one end that the back hinge bar was kept away from to the back bed surface articulates on putting on the shelf.

The utility model discloses a further preferred, shank elevator motor transmission is connected with the shank hinge bar, and the shank hinge bar articulates there is the shank bed surface, and the one end that the shank hinge bar was kept away from to the shank bed surface articulates on the upper ledge.

The utility model discloses a further preferred, the spring pin joint has been seted up at the slope handle middle part, and the both ends of spring pin joint are provided with first spring respectively and hang some and second spring and hang some, and first spring hangs and is provided with spacing spring between the second spring and hangs the some.

The utility model discloses a further preferred, undercarriage lower extreme circumference symmetry is provided with the universal gyro wheel that can brake.

The working principle is as follows: a motor shaft of the integral lifting motor extends outwards to push the first hinge rod and the second hinge rod, and the first support arm is fixed on the lower frame, so that the first hinge rod and the second hinge rod rotate anticlockwise around the first support arm, the first hinge point is lifted upwards to drive the fifth hinge rod to be lifted upwards, and the upper frame is driven to be lifted upwards;

meanwhile, the second hinge rod and the synchronous hinge rod are fixedly hinged with each other to form an included angle, the first hinge point drives the synchronous rod to move rightwards to drive the third hinge rod and the fourth hinge rod, and the second support arm is fixed on the lower frame, so that the third hinge rod and the fourth hinge rod rotate anticlockwise around the second support arm, the second hinge point is lifted upwards, the upward lifting of the whole bed body is completed, and the bed body reaches the highest position;

when the bed body reaches the inclination that needs to change the bed body behind the highest position, whole elevator motor's motor is to the internal contraction, the draw-in groove card that will incline the handle this moment is on the third hinge pole, the height of putting on the shelf that will gu the shank position is promptly fixed, because incline handle and third hinge pole, the sixth hinge pole is formed with the triangle-shaped structure, although first pin joint drives the synchronizing bar and removes left side, but the third hinge pole slides to left in the spout, make the triangle-shaped structure not take place the space and remove, thereby the height of putting on the shelf of shank position has been fixed, meanwhile, we can control the length that stretches out of the motor shaft of motor as required, and then the inclination of control whole bed surface.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model pushes the first hinge rod and the second hinge rod by extending the motor shaft of the integral lifting motor outwards, because the first support arm is fixed on the lower frame, the first hinge rod and the second hinge rod rotate anticlockwise around the first support arm, the first hinge point is lifted upwards, the fifth hinge rod is driven to lift upwards, the left side of the upper frame is driven to lift, meanwhile, the right end of the upper frame is driven to lift through the synchronizing rod, thereby controlling the integral of the upper frame to reach the highest position, namely, the working height, when the inclined height needs to be adjusted, the inclined handle is clamped on the third hinge rod, the triangular structure consisting of the inclined handle, the third hinge rod and the sixth hinge rod is utilized, the right end of the synchronizing rod is provided with a chute, the triangular structure is prevented from moving in the direction of the synchronizing rod when the left end of the upper frame descends, compared with the prior art, the utility model has simple structure, the lifting of the bed surface is controlled by the integral lifting motor, the inclined height of the bed surface is controlled by the inclined handle, the complex structure of four motors is avoided, the manufacturing cost is reduced, and the large-scale popularization and application are facilitated.

2. The inclined handle is provided with the limiting spring, and the elasticity of the whole limiting spring is utilized to improve the stability of a triangular structure formed by the inclined handle, the third hinge rod and the sixth hinge rod.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of the present invention when tilted;

FIG. 3 is a schematic view of the structure of the tilting handle of the present invention;

FIG. 4 is a schematic structural view of the synchronizing bar of the present invention;

fig. 5 is a schematic structural diagram of the connection between the first hinge rod and the second hinge rod, and the connection between the first hinge rod and the second hinge rod.

Reference numerals: 1-upper frame, 2-lower frame, 3-integral lifting motor, 4-back lifting motor, 5-leg lifting motor, 6-first hinged rod, 7-second hinged rod, 8-first supporting arm, 9-fifth hinged rod, 10-synchronous hinged rod, 11-first hinged point, 12-synchronous rod, 13-third hinged rod, 14-fourth hinged rod, 15-second supporting arm, 16-second hinged point, 17-sixth hinged rod, 18-inclined handle, 19-chute, 20-leg hinged rod, 21-leg bed surface, 22-back hinged rod, 23-back bed surface, 24-spring hinged point, 25-first spring hanging point and 26-second spring hanging point.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limiting the invention, i.e., the described embodiments are merely a few embodiments, rather than all embodiments, and that all features disclosed in this specification, or all methods or process steps disclosed, may be combined in any suitable manner, except for mutually exclusive features and/or steps.

It should be noted that the terms "length," "width," "height," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "head," "tail," and the like, indicate orientations or positional relationships that are based on the orientations or positional relationships illustrated in the drawings, are used for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The present invention will be described in detail with reference to fig. 1 and 2.

The first embodiment is as follows: a three-motor electric bed comprises an upper frame and a lower frame, wherein three motor assemblies are arranged between the upper frame and the lower frame, each three motor assembly comprises an integral lifting motor, a back lifting motor and a leg lifting motor, the integral lifting motor is in transmission connection with a first hinge rod, the lower end of the first hinge rod is fixedly hinged with a second hinge rod, the lower end of the second hinge rod is hinged with a first support arm, the lower end of the first support arm is fixedly arranged on the lower frame, a first hinge point is formed between the first hinge rod and the second hinge rod, the first hinge point is fixedly hinged with a synchronous hinge rod and a fifth hinge rod, the synchronous hinge rod is hinged with a synchronous rod, and the upper end of the fifth hinge rod is fixedly connected with the upper frame;

The first hinge rod, the synchronous hinge rod and the second hinge rod are mutually inclined to form an included angle.

The second embodiment: this implementation is further optimized on embodiment 1's basis, and the improvement part that compares with embodiment 1 is emphatically explained to this embodiment, and the same part is no longer repeated, back lift motor transmission is connected with back articulated rod, and back articulated rod articulates there is the back bed surface, and the one end that back articulated rod was kept away from to the back bed surface articulates on the upper bracket, and back lift motor stretches out outwards, drives that the back is articulated and the back bed surface upwards lifts round the upper bracket.

The third embodiment is as follows: this implementation is further optimized on embodiment 1's basis, and the improvement that compares with embodiment 1 is emphatically explained to this embodiment, and the same part is no longer repeated, shank elevator motor transmission is connected with the shank articulated rod, and the shank articulated rod articulates there is the shank bed surface, and the one end that the shank articulated rod was kept away from to the shank bed surface articulates on the upper bracket, and shank elevator motor stretches out outwards, drives that the shank is articulated and the shank bed surface is upwards lifted round the upper bracket.

The fourth embodiment is as follows: this implementation is further optimized on the basis of embodiment 1, and this embodiment emphatically explains the improvement part compared with embodiment 1, and the same part is no longer repeated, as shown in fig. 3, the spring pin joint has been seted up at the slope handle middle part, and the both ends of spring pin joint are provided with first spring and hang the point with the second spring respectively, are provided with spacing spring between first spring and the second spring and hang the point, through hanging point with the second spring at first spring, when adjusting the slope handle, spacing spring takes place to rotate around the spring pin joint, because the elasticity of spring for spacing spring improves the overall stability of the triangle-shaped structure that third hinge pole slope handle and third hinge pole, sixth hinge pole are constituteed.

The first embodiment is as follows: a three-motor electric bed comprises an upper frame 1 and a lower frame 2, wherein three motor assemblies are arranged between the upper frame 1 and the lower frame 2, each motor assembly comprises an integral lifting motor 3, a back lifting motor 4 and a leg lifting motor 5, the integral lifting motor 3 is in transmission connection with a first hinge rod 6, the lower end of each first hinge rod 6 is fixedly hinged with a second hinge rod 7, the lower end of each second hinge rod 7 is hinged with a first support arm 8, the lower end of each first support arm 8 is fixedly arranged on the lower frame 2, a first hinge point 11 is formed between each first hinge rod 6 and each second hinge rod 7, each first hinge point 11 is fixedly hinged with a synchronous hinge rod 10 and a fifth hinge rod 9, each synchronous hinge rod 10 is hinged with a synchronous rod 12, and the upper end of each fifth hinge rod 9 is fixedly connected with the upper frame 1;

one end of the synchronous rod 12, which is far away from the synchronous hinge rod 10, is provided with a sliding groove 19, the sliding groove 19 is connected with a third hinge rod 13 in a sliding manner, the lower end of the third hinge rod 13 is fixedly connected with a fourth hinge rod 14, a second hinge point 16 is formed between the third hinge rod 13 and the fourth hinge, the lower end of the fourth hinge rod 14 is hinged with a second support arm 15, the second support arm 15 is fixedly arranged on the lower frame 2, a sixth hinge rod 17 is hinged on the second hinge point 16, and the upper end of the sixth hinge rod 17 is fixedly connected with the upper frame 1;

an inclined handle 18 is hinged to the sixth hinged rod 17, a clamping groove matched with the third hinged rod 13 is formed in the inclined handle 18, the inclined handle 18 is clamped with the third hinged rod 13, and the inclined handle 18, the third hinged rod 13 and the sixth hinged rod 17 form a triangular structure.

The first hinge rod 6, the synchronous hinge rod 10 and the second hinge rod 7 are inclined to form an included angle.

Universal rollers capable of braking are symmetrically arranged at the lower end of the lower frame 2 in the circumferential direction.

The working principle is as follows: a motor shaft of the integral lifting motor 3 extends outwards to push the first hinge rod 6 and the second hinge rod 7, and the first support arm 8 is fixed on the lower frame 2, so that the first hinge rod 6 and the second hinge rod 7 rotate anticlockwise around the first support arm 8, the first hinge point 11 is lifted upwards to drive the fifth hinge rod 9 to be lifted upwards, and the upper frame 1 is driven to be lifted upwards;

meanwhile, as the second hinge rod 7 and the synchronous hinge rod 10 are fixedly hinged with each other and form an included angle, the first hinge point 11 drives the synchronous rod 12 to move rightwards, the third hinge rod 13 and the fourth hinge rod 14 are driven, and the second support arm 15 is fixed on the lower frame 2, so that the third hinge rod 13 and the fourth hinge rod 14 rotate anticlockwise around the second support arm 15, the second hinge point 16 is lifted upwards, thus the whole bed body is lifted upwards, and the bed body reaches the highest position;

when the bed body needs to change the inclination angle of the bed body after reaching the highest position, the motor shaft of the integral lifting motor 3 is contracted inwards, the clamping groove of the inclined handle 18 is clamped on the third hinge rod 13 at the moment, the height of the upper frame 1 at the position of the leg is to be fixed, the inclined handle 18 and the third hinge rod 13 are formed into a triangular structure, although the first hinge point 11 drives the synchronizing rod 12 to move leftwards, the third hinge rod 13 slides leftwards in the sliding groove 19, so that the triangular structure does not move spatially, and the height of the upper frame 1 at the position of the leg is fixed, meanwhile, the extension length of a motor shaft of the motor can be controlled as required, and the inclination angle of the whole bed surface is controlled.

The second embodiment: this implementation is further optimized on embodiment 1's basis, and this embodiment emphatically explains the improvement part that compares with embodiment 1, and the same part is no longer repeated, and back lift motor 4 transmission is connected with back articulated rod 22, and back articulated rod 22 articulates there is back bed surface 23, and the one end that back bed surface 23 kept away from back articulated rod 22 articulates on upper bracket 1, and back lift motor 4 stretches out outwards, drives back articulated and back bed surface 23 upwards lifting round upper bracket 1.

The third embodiment is as follows: this implementation is further optimized on the basis of embodiment 1, and this embodiment focuses on explaining the improvement compared with embodiment 1, and the same parts are not described again, and shank elevator motor 5 transmission is connected with shank articulated rod 20, and shank articulated rod 20 articulates there is shank bed surface 21, and the shank bed surface 21 is kept away from the articulated rod 20 of shank one end and is articulated on upper bracket 1, and shank elevator motor 5 stretches out outwards, drives shank articulated and shank bed surface 21 upwards to rise around upper bracket 1.

The fourth embodiment is as follows: this implementation is further optimized on the basis of embodiment 1, this embodiment focuses on explaining the improved parts compared with embodiment 1, and the same parts are not repeated, as shown in fig. 3, a spring hinge point 24 is provided in the middle of the inclined handle 18, a first spring hanging point 25 and a second spring hanging point 26 are respectively provided at two ends of the spring hinge point 24, a limiting spring is provided between the first spring hanging point 25 and the second spring hanging point 26, through the first spring hanging point 25 and the second spring hanging point 26, when the inclined handle 18 is adjusted, the limiting spring rotates around the spring hinge point 24, and due to the elasticity of the spring, the limiting spring improves the overall stability of the triangular structure formed by the inclined handle 18 of the third hinge rod 13, the third hinge rod 13 and the sixth hinge rod 17.

The fixed connection, fixed mounting or fixed arrangement mode comprises the existing common technologies, such as bolt fixing, welding, riveting and the like, and all the technologies play a role in fixing without influencing the overall effect of the device.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. A three-motor electric bed comprises an upper frame (1) and a lower frame (2), wherein three motor components are arranged between the upper frame (1) and the lower frame (2), and is characterized in that the three motor components comprise an integral lifting motor (3), a back lifting motor (4) and a leg lifting motor (5), the integral lifting motor (3) is in transmission connection with a first hinge rod (6), the lower end of the first hinge rod (6) is fixedly hinged with a second hinge rod (7), the lower end of the second hinge rod (7) is hinged with a first support arm (8), the lower end of the first support arm (8) is fixedly arranged on the lower frame (2), a first hinge point (11) is formed between the first hinge rod (6) and the second hinge rod (7), a synchronous hinge rod (10) and a fifth hinge rod (9) are fixedly hinged on the first hinge point (11), the synchronous rod (10) is hinged with a synchronous rod (12), the upper end of the fifth hinge rod (9) is fixedly connected with the upper frame (1);

a sliding groove (19) is formed in one end, away from the synchronous hinge rod (10), of the synchronous rod (12), a third hinge rod (13) is connected in the sliding groove (19) in a sliding mode, a fourth hinge rod (14) is fixedly connected to the lower end of the third hinge rod (13), a second hinge point (16) is formed between the third hinge rod (13) and the fourth hinge rod, a second supporting arm (15) is hinged to the lower end of the fourth hinge rod (14), the second supporting arm (15) is fixedly arranged on the lower frame (2), a sixth hinge rod (17) is hinged to the second hinge point (16), and the upper end of the sixth hinge rod (17) is fixedly connected with the upper frame (1);

an inclined handle (18) is hinged to the sixth hinged rod (17), a clamping groove matched with the third hinged rod (13) is formed in the inclined handle (18), the inclined handle (18) is connected with the third hinged rod (13) in a clamping mode, and a triangular structure is formed by the inclined handle (18), the third hinged rod (13) and the sixth hinged rod (17).

2. A three motor electric bed according to claim 1, characterized in that the first hinge lever (6), the synchronous hinge lever (10) and the second hinge lever (7) are mutually inclined forming an angle.

3. A three-motor electric bed according to claim 1, wherein the back lifting motor (4) is in transmission connection with a back articulated rod (22), the back articulated rod (22) is articulated with a back bed surface (23), and one end of the back bed surface (23) far away from the back articulated rod (22) is articulated on the upper frame (1).

4. A three-motor electric bed according to claim 1, wherein the leg lifting motor (5) is in transmission connection with a leg hinge rod (20), the leg hinge rod (20) is hinged with a leg bed surface (21), and one end of the leg bed surface (21) far away from the leg hinge rod (20) is hinged on the upper frame (1).

5. The three-motor electric bed according to claim 1, wherein a spring hinge point (24) is formed in the middle of the inclined handle (18), a first spring hanging point (25) and a second spring hanging point (26) are respectively arranged at two ends of the spring hinge point (24), and a limiting spring is arranged between the first spring hanging point (25) and the second spring hanging point (26).

6. A three-motor electric bed according to claim 1, characterized in that the lower end of the lower frame (2) is symmetrically provided with universal rollers capable of braking in the circumferential direction.