CN210462332U

CN210462332U - Lifting assembly and medical equipment

Info

Publication number: CN210462332U
Application number: CN201921331487.6U
Authority: CN
Inventors: 张海峰; 郭传喜; 叶伟忠
Original assignee: Edan Instruments Inc
Current assignee: Edan Instruments Inc
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-05-05
Anticipated expiration: 2029-08-13

Abstract

The utility model belongs to the technical field of medical equipment, a lifting unit and medical equipment are related to. Slider slidable mounting is on the base, and the output and the slider of air spring are connected, and pedal assembly is installed in the base swing, and pedal assembly supports to be equipped with the adaptor between top and the air spring trigger head. When the pedal end of the pedal assembly is stepped on, the abutting end of the pedal assembly pushes against the adapter, so that the adapter triggers the gas spring trigger head, and the output end of the gas spring drives the sliding piece to ascend. When the sliding piece needs to descend, the output end of the gas spring and the sliding piece can be reset by pressing the sliding piece downwards. This lifting unit supports the friction on top and adaptor through pedal assembly, reaches the adaptor and triggers the lift that gas spring realized the slider, and the friction is little between adaptor and the gas spring trigger head, and gas spring life extension is changed the adaptor when maintaining can, easy dismounting, low in use cost.

Description

Lifting assembly and medical equipment

Technical Field

The utility model belongs to the technical field of medical equipment, more specifically say, relate to lifting unit and medical equipment.

Background

At present, the lifting assembly that adopts the gas spring is used for realizing the lift adjustment of slider, and current lifting assembly includes the running-board that the swing set up and the gas spring that uses with the running-board cooperation, and the trigger head of gas spring is the metalwork and the two direct contact with one end of running-board. The air spring has trigger head and output, triggers head and the back of the body of output setting mutually. When the trigger head is pressed, the output end extends out and keeps the extended position; and when the output is pushed inwardly, the output retracts and remains in one position. When the pedal is stepped on, one end of the pedal jacks up the trigger head of the air spring, and the output end of the air spring moves upwards to drive the sliding piece to ascend. However, long-time use, the trigger head of air spring constantly by the direct striking of running-board, can lead to the trigger head of air spring impaired, lift function inefficacy, will solve the problem through changing the air spring this moment, it is difficult to change the air spring dismouting, and use cost is too high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lifting unit to solve the air spring among the current lifting unit and be because of triggering the easy impaired technical problem of the long-time direct striking of footboard.

An embodiment of the utility model provides a lifting unit, include:

a base;

a slider slidably mounted on the base in a predetermined direction;

the gas spring is arranged on the base and provided with a trigger head and an output end, and the output end of the gas spring is connected with the sliding piece; the trigger head is triggered, and the output end drives the sliding piece to slide on the base;

a pedal assembly pivotally mounted to the base; one end of the pedal assembly is used as a pedal end, and the other end of the pedal assembly is used as a butting end; the abutting end of the pedal assembly is aligned with the trigger head of the gas spring; and

locate the top of supporting of pedal assembly with adaptor between the trigger head of air spring, the adaptor in the top of supporting of pedal assembly is towards trigger during the air spring swing the trigger head of air spring.

Optionally, a guide groove is formed in the base, the gas spring is arranged in the sliding part, and the adapter is arranged in the guide groove in a penetrating manner; one end of the adapter corresponds to the trigger head of the gas spring, and the other end of the adapter penetrates through the bottom surface of the base and corresponds to the abutting end of the pedal assembly.

Optionally, one end of the adaptor, which penetrates through the bottom surface of the base, is provided with a blocking wall, and the blocking wall is used for abutting against the base to limit the moving range of the adaptor.

Optionally, the lifting assembly further comprises a first elastic member for resetting the adaptor after the adaptor triggers the trigger head of the gas spring.

Optionally, the first elastic element is a spring, the first elastic element is sleeved outside the adaptor, the base is provided with a positioning groove communicated with the guide groove, and two ends of the first elastic element respectively abut against the bottom surface of the positioning groove and the blocking wall.

Optionally, the pedal assembly includes a swing arm pivoted to the base and a pedal plate mounted at one end of the swing arm, the pedal plate being the pedal end.

Optionally, the lifting assembly further comprises a resetting mechanism for limiting a swing-down angle of the pedal assembly and for resetting the pedal assembly being depressed, the resetting mechanism being mounted on the base.

Optionally, canceling release mechanical system including install in mount on the base, the mount include with the linking arm that the base is connected and connect in the linking arm just is used for blockking the spacing arm of pedal assembly wobbling, canceling release mechanical system still includes that both ends are supported respectively to be located spacing arm with pedal assembly's second elastic component, second elastic component supports to be located pedal assembly's position is located pedal assembly's swing axis with between the pedal end.

Optionally, the second elastic member is a spring, the positioning column is installed on the limiting arm, one end of the second elastic member is sleeved outside the positioning column, and the other end of the second elastic member is fixed on the pedal assembly through a screw.

The embodiment of the utility model provides a medical equipment, including foretell lifting unit.

The utility model provides an above-mentioned one or more technical scheme among lifting unit and the medical equipment have one of following technological effect at least: slider slidable mounting is on the base, and the output and the slider of air spring are connected, and pedal assembly is installed in the base swing, and pedal assembly supports to be equipped with the adaptor between top and the air spring trigger head. When the pedal end of the pedal assembly is stepped on, the abutting end of the pedal assembly pushes against the adapter, so that the adapter triggers the gas spring trigger head, and the output end of the gas spring drives the sliding piece to ascend. When the sliding piece needs to descend, the output end of the gas spring and the sliding piece can be reset by pressing the sliding piece downwards. This lifting unit supports the friction on top and adaptor through pedal assembly, reaches the adaptor and triggers the lift that gas spring realized the slider, and the friction is little between adaptor and the gas spring trigger head, and gas spring life extension is changed the adaptor when maintaining can, easy dismounting, low in use cost. The condition that a gas spring in the existing lifting assembly is easily damaged due to the fact that the trigger head is directly impacted by the pedal plate for a long time can be avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a perspective assembly view of a lifting assembly provided in an embodiment of the present invention;

FIG. 2 is another perspective assembly view of the lift assembly of FIG. 1;

FIG. 3 is an exploded perspective view of the lift assembly of FIG. 1;

FIG. 4 is a cross-sectional view of the lift assembly of FIG. 1 with the footrest assembly released;

FIG. 5 is an enlarged view at A of FIG. 4;

fig. 6 is a cross-sectional view of the lifting assembly according to an embodiment of the present invention when the foot pedal is depressed;

fig. 7 is an enlarged view of fig. 6 at B.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings only for the convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the embodiments of the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1, an embodiment of the present invention provides a lifting assembly, which can be applied to medical equipment or other occasions requiring the lifting assembly. Referring to fig. 3 to 5, the lifting assembly includes a base 10, a sliding member 20, a gas spring 30, a pedal assembly 40, and an adaptor 50. The slider 20 is slidably mounted on the base 10 in a predetermined direction, and the base 10 serves as a carrier for other components. A gas spring 30 is mounted on the base 10, the gas spring 30 having an activation head 32 and an output end 31, the output end 31 of the gas spring 30 being connected to the slider 20. The trigger head 32 is triggered, and the output end 31 drives the sliding member 20 to slide on the base 10. The pedal assembly 40 is pivotally mounted on the base 10, and one end of the pedal assembly 40 is used as a pedal end 40a, and the other end is used as an abutting end 40 b. The abutment end 40b is aligned with the trigger head 32 of the gas spring 30. The adapter 50 is disposed between the abutting end 40b of the footrest assembly 40 and the trigger head 32 of the gas spring 30. the adapter 50 triggers the trigger head 32 of the gas spring 30 when the abutting end 40b of the footrest assembly 40 swings toward the gas spring 30.

The sliding part 20 is installed on the base 10 in a sliding way, the output end 31 of the gas spring 30 is connected with the sliding part 20, the pedal assembly 40 is installed on the base 10 in a swinging way, and an adapter 50 is arranged between the abutting end 40b of the pedal assembly 40 and the trigger head 32 of the gas spring 30. When the pedal end 40a of the pedal assembly 40 is depressed, the abutting end 40b of the pedal assembly 40 pushes the adaptor 50, so that the adaptor 50 triggers the trigger head 32 of the gas spring 30, and the output end 31 of the gas spring 30 drives the slider 20 to ascend. When the slider 20 needs to be lowered, the output end 31 of the gas spring 30 and the slider 20 can be reset by pressing the slider 20 downward. This lifting unit supports the friction of top 40b and adaptor 50 through pedal assembly 40, reaches adaptor 50 and triggers gas spring 30 and realize the lift of slider 20, and the friction is little between adaptor 50 and the gas spring 30 trigger head 32, and gas spring 30 life extension is changed adaptor 50 when maintaining can, easy dismounting, use cost is low. The condition that a gas spring in the existing lifting assembly is easily damaged due to the fact that the trigger head is directly impacted by the pedal plate for a long time can be avoided.

It should be noted that the gas spring 30 is prior art. The components of the gas spring 30 shown in fig. 4 and 6, such as the output end 31 and the trigger head 32, are not integral structures, but are distinct components.

In another embodiment of the present invention, the base 10 has a sliding groove 12 for the sliding of the sliding member 20, so that the sliding member 20 can slide along a predetermined direction. Specifically, the sliding groove 12 extends in a vertical direction, the gas spring 30 is disposed in the vertical direction, the slider 20 is mounted to the base 10 in the vertical direction, and vertical lifting of the slider 20 is achieved by the gas spring 30.

Referring to fig. 3 and 4, in another embodiment of the present invention, the sliding member 20 is cylindrical, the gas spring 30 is disposed in the inner cavity 21 of the sliding member 20, the connecting frame 22 is disposed in the sliding member 20, and the output end 31 of the gas spring 30 is connected to the connecting frame 22. The structure is easy to assemble by driving the slider 20 to rise when the output end 31 of the gas spring 30 rises.

In another embodiment of the present invention, the adaptor 50 is made of stainless steel, and the adaptor 50 is abutted against the trigger head 32 of the gas spring 30, so as to reduce the wear of the trigger head 32 of the gas spring 30, and make the trigger head 32 of the gas spring 30 reliable and durable, thereby improving the reliability of the device.

Referring to fig. 5 and 7, in another embodiment of the present invention, the distance from the foot end 40a of the foot pedal assembly 40 to the swing axis of the foot pedal assembly 40 is greater than the distance from the end of the foot pedal assembly 40 aligned with the trigger head 32 of the gas spring 30 to the swing axis of the foot pedal assembly 40, so that the user can press the foot end 40a with a small force, thereby moving the foot pedal assembly 40 upward aligned with the trigger head 32 of the gas spring 30, which is convenient for use.

Referring to fig. 5 and 7, in another embodiment of the present invention, a guide slot 11 is formed on the base 10, the gas spring 30 is disposed in the sliding member 20, and the adaptor 50 is inserted into the guide slot 11; one end of the adaptor 50 corresponds to the trigger head 32 of the gas spring 30, and the other end of the adaptor 50 passes through the bottom surface of the base 10 and corresponds to the abutting end 40b of the footrest assembly 40. The guiding slot 11 is provided to allow the adaptor 50 to be slidably mounted on the base 10 along a predetermined direction, and the abutting end 40b of the pedal assembly 40 pushes the adaptor 50, so that the adaptor 50 smoothly moves upwards and triggers the trigger head 32 of the gas spring 30, and the output end 31 of the gas spring 30 drives the sliding member 20 to ascend, thereby ensuring reliable operation.

Referring to fig. 3, 5 and 7, in another embodiment of the present invention, a blocking wall 51 is disposed at an end of the adaptor 50 passing through the bottom surface of the base 10, and the blocking wall 51 is used for abutting against the base 10 to limit a moving range of the adaptor 50. When the blocking wall 51 abuts against the inner wall of the base 10, the adaptor 50 is prevented from being separated from the base 10, and only one end of the adaptor 50 extends out of the surface of the base 10. The adaptor 50 extends out of one end of the base 10 for abutting and matching with one end of the footrest assembly 40.

Referring to fig. 5 and 7, in another embodiment of the present invention, the lifting assembly further includes a first resilient member 60 for restoring the adaptor 50 after the adaptor 50 triggers the trigger head 32 of the gas spring 30. When the pedal end 40a of the pedal assembly 40 is depressed, the pedal assembly 40 aligns with one end of the trigger head 32 of the gas spring 30 to push against the adapter 50, so that the adapter 50 triggers the trigger head 32 of the gas spring 30, and the output end 31 of the gas spring 30 drives the slider 20 to ascend, in which the first elastic member 60 compresses and stores energy. When the pedal end 40a of the pedal assembly 40 is released, the first elastic member 60 is extended to restore the adaptor 50, so that the adaptor 50 is pushed by the pedal assembly 40 again next time, and the device is reliable in operation.

Referring to fig. 5 and 7, in another embodiment of the present invention, the first elastic element 60 is a spring, the first elastic element 60 is sleeved outside the adaptor 50, the base 10 is provided with a positioning groove 13 communicated with the guiding groove 11, and two ends of the first elastic element 60 respectively abut against the bottom surface of the positioning groove 13 and the blocking wall 51. The first elastic member 60 is provided to enable the adaptor 50 to smoothly push against the trigger head 32 of the gas spring 30 and reset for the next triggering, which effectively improves the user experience.

Referring to fig. 2, 3 and 5, in another embodiment of the present invention, the pedal assembly 40 includes a swing arm 41 pivotally connected to the base 10 and a pedal plate 42 mounted at one end of the swing arm 41, the pedal plate 42 serving as a pedal end 40 a. The structure of the swing arm 41 and the foot board 42 is easy to assemble. By depressing the foot pedal 42, the foot pedal end 40a is lowered, the swing arm 41 is raised adjacent to one end of the gas spring 30, and the end of the swing arm 41 presses against the adapter 50 to move the adapter 50 upwardly to fire the firing head 32 of the gas spring 30. Specifically, foot pedal 42 has a smooth concave surface for the user to step on.

Referring to fig. 2 and 3, in another embodiment of the present invention, the base 10 is provided with a mounting frame 43, the mounting frame 43 is provided with a pivot shaft 44, and the pivot shaft 44 passes through the swing arm 41 to swing the swing arm 41 to be mounted on the base 10. The swing arm 41 is mounted on the mounting frame 43 through the pivot shaft 44 in a swinging manner, and the swing arm 41, the pivot shaft 44 and the mounting frame 43 are easy to assemble.

Referring to fig. 3 and 5, in another embodiment of the present invention, the lifting assembly further includes a reset mechanism 70 for limiting a swing angle of the pedal assembly 40 and for resetting the depressed pedal assembly 40, and the reset mechanism 70 is installed on the base 10. The scheme can limit the downward swinging angle of the pedal assembly 40 and avoid the excessive downward swinging angle of the pedal assembly 40. And the treaded pedal assembly 40 can be automatically reset after being released, so that the user experience is improved. The situation that the pedal plate in the prior art cannot be completely reset and simultaneously shakes left and right after being used for a long time is avoided.

Referring to fig. 3, 5 and 7, in another embodiment of the present invention, the reset mechanism 70 includes a fixing frame 71 installed on the base 10, the fixing frame 71 includes a connecting arm 711 connected to the base 10 and a limiting arm 712 connected to the connecting arm 711 and used for blocking the swinging of the pedal assembly 40, the reset mechanism 70 further includes a second elastic member 72 having two ends respectively abutting against the limiting arm 712 and the pedal assembly 40, and the position of the second elastic member 72 abutting against the pedal assembly 40 is located between the swinging axis of the pedal assembly 40 and the pedal end 40 a. This arrangement allows for limited swing angle of the footrest assembly 40 and allows the footrest assembly 40 to be automatically returned when depressed. Specifically, when the stepping end 40a of the stepping assembly 40 is stepped on, the stepping end 40a descends, the second elastic element 72 compresses the stored energy, and the limiting arm 712 can limit the stepping assembly 40 without further swinging down (shown in fig. 6 and 7), so that the user can experience the stepping force. When loosening pedal end 40a, second elastic component 72 extends and resets, drives pedal assembly 40 and resets fast, can promote mechanical properties, realizes the silence effect, improves user experience.

Referring to fig. 3, 5 and 7, in another embodiment of the present invention, the second elastic element 72 is a spring, the positioning post 73 is installed on the limiting arm 712, one end of the second elastic element 72 is sleeved outside the positioning post 73, and the other end of the second elastic element 72 is fixed on the pedal assembly 40 by a screw 74. The second elastic member 72 is easily assembled. The second elastic member 72 is provided to enable the pedal assembly 40 to be automatically reset when being depressed.

In another embodiment of the present invention, a medical apparatus is provided, which includes the above-mentioned lifting assembly. Since the medical device adopts all the technical solutions of all the embodiments, all the beneficial effects brought by the technical solutions of the embodiments are also achieved, and are not described in detail herein.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Lifting unit, its characterized in that includes:

a base;

a slider slidably mounted on the base in a predetermined direction;

2. The lifting assembly according to claim 1, wherein the base defines a guide slot, the gas spring is disposed in the sliding member, and the adapter member is disposed in the guide slot; one end of the adapter corresponds to the trigger head of the gas spring, and the other end of the adapter penetrates through the bottom surface of the base and corresponds to the abutting end of the pedal assembly.

3. The lift assembly of claim 2, wherein an end of the adapter extending through the bottom surface of the base is provided with a stop wall for abutting the base to limit the range of movement of the adapter.

4. The lift assembly of claim 3, further comprising a first resilient member for resetting the adapter member after the adapter member triggers the firing head of the gas spring.

5. The lifting assembly according to claim 4, wherein the first elastic member is a spring, the first elastic member is sleeved outside the adaptor, the base is provided with a positioning groove communicated with the guide groove, and two ends of the first elastic member respectively abut against the bottom surface of the positioning groove and the blocking wall.

6. The lift assembly of claim 1, wherein the foot pedal assembly includes a swing arm pivotally coupled to the base and a foot pedal mounted to one end of the swing arm, the foot pedal being the foot pedal end.

7. The lift assembly of any of claims 1 to 6, further comprising a return mechanism for defining a roll-down angle of said foot assembly and for returning said depressed foot assembly, said return mechanism being mounted to said base.

8. The lifting assembly as claimed in claim 7, wherein the return mechanism comprises a fixed frame mounted on the base, the fixed frame comprises a connecting arm connected to the base and a limiting arm connected to the connecting arm for blocking the swinging of the pedal assembly, the return mechanism further comprises a second elastic member having two ends abutting against the limiting arm and the pedal assembly, respectively, and the position where the second elastic member abuts against the pedal assembly is located between the swinging axis of the pedal assembly and the pedal end.

9. The lifting assembly as claimed in claim 8, wherein the second elastic member is a spring, the positioning post is mounted on the limiting arm, one end of the second elastic member is sleeved outside the positioning post, and the other end of the second elastic member is fixed to the pedal assembly by a screw.

10. Medical device, comprising a lifting assembly according to any of claims 1 to 9.