CN215306816U

CN215306816U - Lifting mechanism and electric foot stool

Info

Publication number: CN215306816U
Application number: CN202120601710.5U
Authority: CN
Inventors: 姜军; 徐晓
Original assignee: Ningbo Haishu District Second Hospital
Current assignee: Ningbo Haishu District Second Hospital
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-12-28
Anticipated expiration: 2031-03-24

Abstract

The utility model provides a lifting mechanism and an electric foot stool, belonging to the technical field of medical instruments and comprising: a footrest; the lifting mechanism comprises a housing and a bottom plate which are detachably connected with the footstool, a lifting assembly for realizing the lifting of the housing is arranged between the housing and the bottom plate, and a walking wheel for driving the electric footstool to move on the ground is arranged on the bottom plate. The utility model provides a lifting mechanism and an electric foot stool, wherein the lifting mechanism is used for changing the ground clearance of the foot stool, so that medical staff can perform corresponding medical operation on patients at different positions, and the treatment convenience of the medical staff is improved.

Description

Lifting mechanism and electric foot stool

Technical Field

The utility model belongs to the technical field of medical instruments, and relates to a lifting mechanism, in particular to a lifting mechanism and an electric foot stool.

Background

The operation footstool is an auxiliary matching tool necessary for surgical operation, and the proper height is beneficial to better performing operation and matching by operation medical care.

Due to the height difference factors of the medical staff during the operation, the height of the operation body and the height difference factors of the operation table, when the operation condition changes in the actual work, if the patient has temporary sudden cardiac arrest, the medical staff is required to perform cardiopulmonary resuscitation on the patient at a higher position; in addition, when deep exploration or deep surgery is performed, the position of medical personnel is required to be improved so that the medical personnel can have a better operation visual field; and as for medical staff with short height, the whole-course footstool is required to assist in supporting in the process of matching with the operation, so that the operation can be perfectly matched.

At present, the footstool used in the operation is a square iron stool, a soft leather surface is arranged on the iron stool, and when the footstool needs to be used, the footstool is moved to a proper position and then stands on the footstool for operation. However, such surgical footstools have many problems:

firstly, the length of the stool legs of the operating square iron stool is fixed, if the operating square iron stool is matched with footstools with different heights, two or more footstools are required to be piled up, even if the operating square iron stool is matched with the footstools with different heights, the operating square iron stool cannot be adjusted to be the proper height often, and when the multiple footstools are piled up, the stability is poor, and sometimes people may need to hold the stool to keep the stool stable;

secondly, the space of the operating room is limited, and if too many operating stools are arranged in the operating room, the limited space resources are undoubtedly occupied;

thirdly, the square iron stool has heavy weight, and the square iron stool must be moved by means of moving, so that a great deal of time and physical force are consumed in the moving process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a footstool which can be automatically lifted and is convenient to carry.

The purpose of the utility model can be realized by the following technical scheme: a lift mechanism comprising:

a cover shell used as a stepping part of medical staff;

the lifting assembly for realizing the lifting of the housing is arranged between the bottom plate and the housing, wherein the bottom plate is provided with a travelling wheel for driving the lifting assembly to move on the ground.

In the above lifting mechanism, a top plate is disposed in the housing, parallel to the bottom plate, and connected to the lifting assembly, wherein the relative distance between the top plate and the bottom plate is changed by the lifting assembly.

In the above lifting mechanism, a limiting part is arranged on the bottom plate or the top plate, wherein the limiting part comprises two limiting strips which are oppositely arranged, one end of the lifting component is connected with the limiting strips, and the other end of the lifting component is provided with the roller.

In the above lifting mechanism, the lifting assembly includes a yoke structure, and the yoke structure includes a first connecting arm and a second connecting arm hinged to each other, wherein the relative distance between the top plate and the bottom plate is changed by the relative rotation between the first connecting arm and the second connecting arm.

In the above lifting mechanism, the number of the yoke structures is two, and the two yoke structures are distributed vertically and respectively include a first yoke structure and a second yoke structure, wherein the first yoke structure and the second yoke structure synchronously extend and retract.

In the above lifting mechanism, a fixed plate and a power plate are arranged between the first yoke structure and the second yoke structure, and the synchronous extension and synchronous retraction of the first yoke structure and the second yoke structure are realized through the change of the relative position between the power plate and the fixed plate.

In an above-mentioned elevating system, the lifting unit includes a motor mounted on the fixing plate, and a belt pulley is connected to an output end of the motor, wherein a screw is connected to the belt pulley, and a power plate is screwed to the screw.

In the lifting mechanism, a base plate parallel to the bottom plate is arranged above the bottom plate, the base plate is connected with the bottom plate through a pull rod, one end of the walking wheel is connected with the base plate, and the other end of the walking wheel penetrates through the bottom plate.

In foretell elevating system, the walking wheel includes the support that links to each other with the base plate, and is equipped with in the support and leans on complex elastic component and gag lever post each other, wherein, is connected with the removal wheel on the gag lever post.

The utility model also provides an electric foot stool which comprises the foot stool, and the lifting mechanism of the foot stool is detachably connected.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the utility model provides an electric foot stool, which changes the ground clearance of the foot stool through an elevating mechanism, so that medical staff can perform corresponding medical operation on patients at different positions, and the convenience of treatment of the medical staff is improved.

(2) Through setting up the roof, improve the intensity of housing for medical staff stands when on the foot rest bench the atress of housing more even, and medical staff's the standing is also more steady.

(3) The movement of the lifting component in the horizontal direction is limited through the limiting part, so that the lifting component is prevented from shifting in the ascending or descending process, and the lifting reliability is improved.

(4) Set up the gyro wheel on the second linking arm, reduce the friction between second linking arm and the spacing, improve the smooth and easy nature of first yoke structure operation.

(5) The elastic piece and the limiting rod are arranged in the walking wheel, so that when medical personnel stand on the electric foot stool, the electric foot stool is prevented from moving on the ground, and the use safety of the electric foot stool is improved.

Drawings

Fig. 1 is a schematic structural view of an electric footrest according to the present invention.

Fig. 2 is a partial structural view of an electric footrest of the present invention.

Fig. 3 is a schematic view of the structure shown in fig. 2 from another view angle.

Fig. 4 is a sectional view a-a shown in fig. 3.

In the figure, 100, a footstool; 200. a lifting mechanism; 210. a housing; 220. a base plate; 230. a lifting assembly; 231. a fixing plate; 232. a motor; 233. a belt pulley; 234. a screw; 235. a power plate; 236. a first yoke structure; 2361. a first connecting arm; 2362. a second connecting arm; 2363. a roller; 2364. a movable shaft; 237. a second prong structure; 240. a top plate; 250. a limiting strip; 260. a through hole; 270. a pull rod; 280. a substrate; 300. a traveling wheel; 310. a support; 320. an elastic member; 330. a limiting rod; 340. the wheel is moved.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

As shown in fig. 1 to 4, the present invention provides an electric footrest comprising: a footrest 100; the lifting mechanism 200 comprises a housing 210 detachably connected with the footrest 100 and a bottom plate 220, and a lifting assembly 230 for lifting the housing 210 is arranged between the housing 210 and the bottom plate 220, wherein a walking wheel 300 for driving the electric footrest to move on the ground is mounted on the bottom plate 220.

The utility model provides an electric foot stool, which changes the ground clearance of a foot stool 100 through a lifting mechanism 200, so that medical staff can perform corresponding medical operation on patients at different positions, and the treatment convenience of the medical staff is improved.

Preferably, a top plate 240 is disposed in the housing 210 in parallel with the bottom plate 220 and connected to the lifting assembly 230, wherein the relative position between the top plate 240 and the bottom plate 220 is adjusted by the lifting assembly 230.

In the present embodiment, the top plate 240 is provided to improve the strength of the cover 210, so that the medical staff can stand on the footstool with more uniform force on the cover 210 and more stable standing.

Preferably, a limit part is disposed on the bottom plate 220 or the top plate 240, and the limit part limits the movement of the lifting assembly 230 in the horizontal direction, so that the lifting assembly 230 is prevented from shifting during the lifting or lowering process, and the reliability of lifting is improved.

Further preferably, the limiting part comprises two oppositely arranged limiting strips 250, wherein one end of the lifting component 230 is connected with one end of the limiting strip 250, and the other end of the lifting component 230 is matched with the other end of the limiting strip 250 in a sliding manner.

Preferably, the bottom plate 220 has the same structure as the top plate 240, wherein through holes 260 through which the road wheels 300 pass are provided at respective corners of the bottom plate 220 or the top plate 240.

In the present embodiment, the top plate 240 and the bottom plate 220 are configured to have the same structure, so that the bottom plate 220 and the top plate 240 are commonly used, the installation of the electric footstool is facilitated, and the assembly efficiency of the electric footstool is improved.

Preferably, the lifting assembly 230 comprises a fixing plate 231, and a motor 232 is mounted on the fixing plate 231, wherein a pulley 233 is connected to an output end of the motor 232; one end of the screw 234 is connected with the belt pulley 233, and the other end is connected with a power plate 235 in a threaded manner; and at least one fork arm structure, one end of which is connected with the fixed plate 231 and the other end of which is connected with the power plate 235, wherein the fork arm structure is unfolded and folded through the movement of the power plate 235 on the screw 234, so that the top plate 240 is lifted.

It is further preferred that the number of yoke structures is two and arranged in an up-down manner, namely a first yoke structure 236 and a second yoke structure 237, wherein one end of the first yoke structure 236 is connected to a limit strip 250 on the bottom plate 220, the other end of the first yoke structure 236 is connected to the power plate 235, one end of the second yoke structure 237 is connected to a limit strip 250 on the top plate 240, and the other end of the second yoke structure 237 is connected to the power plate 235.

In this embodiment, the two fork arm structures are deployed and retracted synchronously, further increasing the lifting stroke of the top plate 240.

In this embodiment, since the first yoke structure 236 is the same as the second yoke structure 237, the first yoke structure 236 is described as an example.

Preferably, first yoke structure 236 includes two linking arms that articulated each other set up, be first linking arm 2361 and second linking arm 2362 respectively, and wherein, the one end of first linking arm 2361 links to each other with fixed plate 231, and the other end of first linking arm 2361 is provided with gyro wheel 2363, and the one end of second linking arm 2362 links to each other with power plate 235, and the other end of second linking arm 2362 links to each other with spacing strip 250.

In this embodiment, through the removal of power board 235 on screw 234, change the contained angle between first linking arm 2361 and the second linking arm 2362 to realize the lift of roof 240, in addition, set up gyro wheel 2363 on second linking arm 2362, reduce the friction between second linking arm 2362 and spacing 250, improve the smooth and easy nature of first yoke structure 236 operation.

Further preferably, the number of the first yoke structures 236 is two, and the two first yoke structures 236 are respectively located at two ends of the fixed plate 231 or the power plate 235, wherein the two first yoke structures 236 are connected through movable shafts 2364, two ends of one movable shaft 2364 are respectively connected to one end of the second connecting arm 2362 connected to the limiting bar 250, and two ends of the other movable shaft 2364 are respectively connected to one end of the first connecting arm 2361 provided with the roller 2363.

Preferably, a base plate 280 is disposed above the base plate 220 and parallel to the base plate 220 and connected to the base plate 220 by a pull rod 270, wherein one end of the walking wheel 300 is connected to the base plate 280 and the other end of the walking wheel 300 is disposed in the through hole 260.

Further preferably, the walking wheel 300 comprises a support 310 connected with the base plate 280, and an elastic member 320 and a limiting rod 330 which are abutted and matched with each other are embedded in the support 310, wherein a moving wheel 340 is connected on the limiting rod 330.

In this embodiment, when the medical staff stands on the electric footrest, the elastic member 320 is pressed, so that the limiting rod 330 moves along the axis direction of the support 310 to drive the moving wheel 340 to move towards the axis direction of the support 310, and the bottom plate 220 moves in the opposite direction to the moving direction of the moving wheel 340 and abuts against the ground, thereby ensuring that the medical staff stands on the electric footrest, avoiding the movement of the electric footrest on the ground, and improving the safety of the electric footrest.

It should be noted that the descriptions related to "first", "second", "a", etc. in the present invention are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicit indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The terms "connected," "fixed," and the like are to be construed broadly, e.g., "fixed" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A lift mechanism, comprising:

a cover shell used as a stepping part of medical staff;

the lifting assembly is arranged between the bottom plate and the housing, wherein the bottom plate is provided with a travelling wheel for driving the lifting assembly to move on the ground;

a top plate which is parallel to the bottom plate and is connected with the lifting assembly is arranged in the housing, wherein the relative distance between the top plate and the bottom plate is changed through the lifting assembly;

be provided with spacing portion on bottom plate or roof, wherein, this spacing portion includes two spacing strips that set up relatively, and lifting unit's one end links to each other with spacing strip, and lifting unit's the other end is provided with the gyro wheel.

2. A lifting mechanism as claimed in claim 1, wherein the lifting assembly comprises a yoke structure comprising two first and second link arms hinged to each other, wherein the relative distance between the top and bottom plates is varied by relative rotation between the first and second link arms.

3. A lifting mechanism as claimed in claim 2, wherein the number of yoke structures is two, and the yoke structures are arranged in an up-down manner and are respectively a first yoke structure and a second yoke structure, and wherein the first yoke structure extends synchronously with the second yoke structure and retracts synchronously with the same.

4. A lifting mechanism as claimed in claim 3, wherein a fixed plate and a power plate are provided between the first and second prong structures, and the synchronous extension and retraction of the first and second prong structures is achieved by a change in the relative position between the power plate and the fixed plate.

5. The lifting mechanism as claimed in claim 4, wherein the lifting assembly comprises a motor mounted on the fixed plate, and a pulley is connected to an output end of the motor, wherein a screw is connected to the pulley, and the power plate is screwed to the screw.

6. The lifting mechanism as claimed in claim 1, wherein a base plate is disposed above the base plate and parallel to the base plate, and the base plate is connected to the base plate via a pull rod, wherein one end of the walking wheel is connected to the base plate, and the other end of the walking wheel penetrates through the base plate.

7. The lifting mechanism as claimed in claim 6, wherein the travelling wheel comprises a support connected with the base plate, and an elastic member and a limiting rod which are matched with each other in an abutting mode are embedded in the support, wherein the limiting rod is connected with a movable wheel.

8. An electric footrest characterized by comprising a footrest detachably connected to the elevating mechanism according to any one of claims 1 to 7.