CN215193335U

CN215193335U - Lifting wheel structure and medical bed with same

Info

Publication number: CN215193335U
Application number: CN202120865845.2U
Authority: CN
Inventors: 谭剑锋; 关明旺
Original assignee: Guangdong Yinhu Medical Technology Co ltd
Current assignee: Guangdong Yinhu Medical Technology Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-12-17
Anticipated expiration: 2031-04-25

Abstract

The utility model discloses a lifting wheel structure and a medical bed with the same, which comprises a frame, a lifting component and a limiting component; the lower end of the frame is provided with a supporting seat and a roller assembly; the lifting assembly comprises a pedal, a connecting rod group and a guide plate; the pedal is movably connected with the roller component through the connecting rod group and the guide plate; the limiting assembly is fixed on the rack and comprises a limiting block and a limiting rod matched with the connecting rod group; the limiting block is provided with a limiting groove, and the two ends of the roller component are inserted into the limiting groove and movably connected with the frame. By arranging the frame and the lifting assembly, the roller assembly can move along the limiting groove by rotating the pedal, so that the lifting wheel structure is rapidly switched between a supporting state and a moving state, and the operation steps of the lifting wheel structure are simplified; through setting up spacing subassembly, restrict wheel components's home range effectively, avoid wheel components and linkage to take place the displacement and the condition that drops, improve the stability of lift wheel structure.

Description

Lifting wheel structure and medical bed with same

Technical Field

The utility model belongs to the technical field of the medical equipment technique and specifically relates to a lifting wheel structure and have its medical bed.

Background

The electric medical bed is mainly used for treating, rescuing and transferring patients in Intensive Care Units (ICUs) and general wards of hospitals. The caster wheel mechanism is a common configuration of the electric medical bed, so that the moving convenience and the moving stability of the electric medical bed are improved. At present, the truckle mechanisms configured on the medical bed all adopt four-wheel landing mechanisms or hidden four-wheel mechanisms, the positions of the truckles need to be controlled by multiple pedals during use, and two persons are required to be matched for use during movement, so that inconvenience is brought to practical application.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide a lifting wheel structure and a hospital bed having the same, for simplifying the operation steps of the lifting wheel structure and improving the convenience of the hospital bed.

The utility model provides a technical scheme that its problem adopted is:

the utility model discloses a first aspect, a lifting wheel structure, which comprises a frame, a lifting component and a limiting component; the lower end of the frame is provided with a supporting seat and a roller assembly; the lifting assembly comprises a pedal, a connecting rod group and a guide plate; the pedal is movably connected with the roller component through the connecting rod group and the guide plate; the limiting assembly is fixed on the rack and comprises a limiting block and a limiting rod matched with the connecting rod group; the limiting block is positioned between the rack and the roller component, a limiting groove is arranged on the limiting block, and two ends of the roller component are inserted into the limiting groove and are movably connected with the rack.

The lifting wheel structure at least has the following beneficial effects: by arranging the frame and the lifting assembly, the roller assembly can move along the limiting groove by rotating the pedal, so that the lifting wheel structure is rapidly switched between a supporting state and a moving state, and the operation steps of the lifting wheel structure are simplified; through setting up spacing subassembly, restrict wheel components's home range effectively, avoid wheel components and linkage to take place the displacement and the condition that drops, improve the stability of lift wheel structure.

Further, the connecting rod group comprises a first connecting rod and a second connecting rod fixedly connected with the pedal, and two ends of the first connecting rod are respectively hinged with the guide plate and the second connecting rod; the second connecting rod is opposite to the limiting rod. The structure ensures that the pedal can drive the guide plate to rotate through the first connecting rod and the second connecting rod, so that the roller component moves along the limiting groove, and the transmission efficiency and the connection stability between the pedal and the roller component are improved.

Further, the upper end of the guide plate is provided with a protruding part and a retracting part, and the height of the protruding part is larger than that of the retracting part. The structure ensures that the extending parts and the retracting parts with different heights are attached to the limiting blocks when the guide plate rotates, so that the roller assemblies slide along the limiting grooves, and the effect of adjusting the heights of the roller assemblies is achieved.

Furthermore, the limiting assembly further comprises a cushion pad, and the cushion pad is located on one side, away from the limiting rod, of the second connecting rod. Through setting up the blotter, guarantee that the home range control of second connecting rod improves the location accuracy and the stability of lift wheel structure between gag lever post and blotter.

Further, the length direction of the limiting groove is perpendicular to the length direction of the rack. The structure ensures that the moving direction of the roller component is vertical to the ground, and the adjusting range of the roller component is enlarged.

Further, the roller assembly comprises a roller and rollers positioned at two ends of the roller, and the guide plate is fixed on the roller. The structure ensures the connection stability of the guide plate and the roller component and ensures the transmission efficiency between the connecting rod group and the roller component.

Further, the roller is located at the middle position of the frame. When this kind of structure guaranteed that the gyro wheel was in the lower extreme of frame, only need lightly lift the frame and make its balance, realized that the supporting seat liftoff to quick, stable removal improves the convenience in use of lift wheel structure.

Furthermore, a buffer is arranged on the limiting block, and the lower end of the buffer is opposite to the position of the rolling shaft. Through setting up the buffer, the decline impact force that the frame produced when slowing down the gyro wheel retraction effectively also reduces the noise simultaneously, improves the stationarity of lift wheel structure.

Further, the lower extreme of supporting seat is equipped with the supporting pad, just the supporting pad is made by rubber. Through setting up the supporting pad, bump with ground when avoiding the frame downstream and lead to damaging, reduce the noise simultaneously, prolong the life of lift wheel structure.

The second aspect of the utility model is a medical bed, which comprises a bed body and a lifting wheel structure as above.

The medical bed has the beneficial effects that: by arranging the frame and the lifting assembly, the roller assembly can move along the limiting groove by rotating the pedal, so that the lifting wheel structure is rapidly switched between a supporting state and a moving state, and the operation steps of the medical bed are simplified; by arranging the limiting assembly, the moving range of the roller assembly is effectively limited, the roller assembly and the connecting rod group are prevented from displacing and falling off, and the stability of the medical bed is improved; by arranging the buffer cushion, the moving range of the second connecting rod is controlled between the limiting rod and the buffer cushion, and the positioning accuracy and the stability of the medical bed are improved; through setting up the buffer, the decline impact force that the bed body produced when slowing down the gyro wheel retraction effectively also reduces the noise simultaneously, improves the stationarity of medical bed.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a structural diagram of a lifting wheel structure according to an embodiment of the present invention;

fig. 2 is a structural diagram of another angle of a lifting wheel structure according to an embodiment of the present invention;

FIG. 3 is an enlarged view of the portion A in FIG. 2;

FIG. 4 is a block diagram of the guide plate of FIG. 3;

fig. 5 is a side view of a lifting wheel structure in a supporting state according to an embodiment of the present invention;

fig. 6 is a side view of the lifting wheel structure in a moving state according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 to 6, an embodiment of the present invention provides a lifting wheel structure, including a frame 100, a lifting assembly 200, and a limiting assembly 300; the lower end of the frame 100 is provided with a supporting seat 110 and a roller assembly 120; the lifting assembly 200 includes a pedal 210, a linkage 220, and a guide plate 230; the pedal 210 is movably connected with the roller assembly 120 through a linkage 220 and a guide plate 230; the limiting assembly 300 is fixed on the rack 100, and the limiting assembly 300 comprises a limiting block 310 and a limiting rod 320 matched with the connecting rod group 220; the limiting block 310 is located between the frame 100 and the roller assembly 120, the limiting block 310 is provided with a limiting groove 311, and both ends of the roller assembly 120 are inserted into the limiting groove 311 and movably connected with the frame 100.

By arranging the frame 100 and the lifting assembly 200, the roller assembly 120 can move along the limiting groove 311 by rotating the pedal 210, so that the lifting wheel structure can be rapidly switched between a supporting state and a moving state, and the operation steps of the lifting wheel structure are simplified; through setting up spacing subassembly 300, restrict the home range of roller assembly 120 effectively, avoid roller assembly 120 and linkage 220 to take place the displacement and the condition that drops, improve the stability of lift wheel structure.

In another embodiment, the linkage 220 includes a first link 221, a second link 222 fixedly connected to the pedal 210, and two ends of the first link 221 are hinged to the guide plate 230 and the second link 222, respectively; the second connecting rod 222 is opposite to the limiting rod 320. The structure ensures that the pedal 210 can drive the guide plate 230 to rotate through the first connecting rod 221 and the second connecting rod 222, so that the roller assembly 120 moves along the limiting groove 311, and the transmission efficiency and the connection stability between the pedal 210 and the roller assembly 120 are improved.

Referring to fig. 4, in another embodiment, the upper end of the guide plate 230 is provided with an extension 231 and a retraction 232, and the height of the extension 231 is greater than that of the retraction 232. This structure ensures that the extension parts 231 and the retraction parts 232 with different heights are attached to the limit blocks 310 when the guide plate 230 rotates, so that the roller assembly 120 slides along the limit grooves 311, thereby achieving the effect of adjusting the height of the roller assembly 120.

In another embodiment, the position-limiting assembly 300 further comprises a cushion 340, and the cushion 340 is disposed on a side of the second link 222 away from the position-limiting rod 320. Through setting up blotter 340, guarantee that the home range control of second connecting rod 222 is between gag lever post 320 and blotter 340, improve the location accuracy and the stability of lift wheel structure.

In another embodiment, the length direction of the limiting slot 311 is perpendicular to the length direction of the rack 100. This structure ensures that the moving direction of the roller assembly 120 is perpendicular to the ground, and increases the adjustment range of the roller assembly 120.

In another embodiment, the roller assembly 120 includes a roller 121 and rollers 122 at both ends of the roller 121, and a guide plate 230 is fixed to the roller 121. This structure ensures the stability of the connection between the guide plate 230 and the roller assembly 120 and the transmission efficiency between the linkage 220 and the roller assembly 120.

In another embodiment, the roller 122 is located at a middle position of the frame 100. This kind of structure guarantees that when gyro wheel 122 was in the lower extreme of frame 100, only need slightly lift frame 100 and make its balance, realizes that supporting seat 110 leaves the ground to quick, stable removal improves the convenience of use of lift wheel structure.

Referring to fig. 3, in another embodiment, a buffer 330 is disposed on the limiting block 310, and a lower end of the buffer 330 is opposite to the roller 121. By providing the buffer 330, the falling impact force generated by the frame 100 when the roller 122 retracts is effectively reduced, and the noise is reduced, thereby improving the stability of the lifting wheel structure.

Referring to fig. 5 and 6, in another embodiment, a support pad 111 is provided at a lower end of the support base 110, and the support pad 111 is made of rubber. Through setting up supporting pad 111, bump with ground when avoiding frame 100 downstream and lead to damaging, reduce the noise simultaneously, prolong the life of lift wheel structure.

The embodiment of the utility model provides a still provide a medical bed, including the bed body and as above the lift wheel structure.

The working principle of the present invention will be further explained below.

In the using process, firstly, the medical bed is stably placed on the ground in the supporting state as shown in fig. 5, at this time, the lower ends of the rollers 122 are higher than the lower end of the supporting seat 110, and the supporting seat 110 and the supporting pad 111 are attached to the ground and stably support the frame 100 and the bed body; when the medical bed needs to be moved, the user steps on the pedal 210 by foot, so that the pedal 210 rotates clockwise, and the second connecting rod 222 is driven to rotate clockwise until the second connecting rod 222 is attached to the cushion pad 340; the second link 222 drives the first link 221 to move close to the pedal 210, the first link 221 drives the guide plate 230 to rotate clockwise, so that the protruding portion 231 fits the limiting block 310, because the height of the protruding portion 231 is greater than that of the retracting portion 232, the guide plate 230 drives the roller 121 to move downward along the limiting groove 311, so that the lower end of the roller 122 is lower than the lower end of the supporting seat 110, and the roller 122 supports the medical bed and is in a moving state as shown in fig. 6. At this moment, because the roller 122 is located at the gravity center position of the bed body, the user only needs to lift the bed body lightly to balance the bed body, the supporting seat 110 is lifted off the ground, the bed body can be moved quickly and stably, the whole state conversion and moving process is simple, single operation is realized, and the use convenience of the medical bed is greatly improved. When the hospital bed is moved in place, the pedal 210 is only required to be lifted, the pedal 210 rotates anticlockwise, and the second connecting rod 222 is driven to rotate anticlockwise until the second connecting rod 222 is attached to the limiting rod 320; the second connecting rod 222 drives the first connecting rod 221 to move away from the pedal 210, the first connecting rod 221 drives the guide plate 230 to rotate counterclockwise, so that the retraction part 232 is attached to the limiting block 310, and the roller 122 moves upward; the roller 121 is attached to trigger the buffer 330, and the buffer 330 effectively absorbs the falling impact force generated by the bed body when the roller 122 retracts, and simultaneously reduces the noise, thereby further ensuring the stability of the bed body.

As can be seen from the above description, the lifting wheel structure and the medical bed having the same of the present invention can enable the roller assemblies 120 to move along the limiting grooves 311 by rotating the pedals 210 through the frame 100 and the lifting assembly 200, so that the lifting wheel structure can be rapidly switched between the supporting state and the moving state, thereby simplifying the operation steps of the medical bed; by arranging the limiting assembly 300, the moving range of the roller assembly 120 is effectively limited, the roller assembly 120 and the connecting rod group 220 are prevented from displacing and falling off, and the stability of the medical bed is improved; by arranging the buffer pad 340, the movable range of the second connecting rod 222 is controlled between the limiting rod 320 and the buffer pad 340, and the positioning accuracy and stability of the medical bed are improved; through setting up buffer 330, the decline impact force that the bed body produced when slowing down gyro wheel 122 retraction effectively also reduces the noise simultaneously, improves the stationarity of medical bed.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.

Claims

1. A lifting wheel structure is characterized in that: comprises a frame, a lifting component and a limiting component; the lower end of the frame is provided with a supporting seat and a roller assembly; the lifting assembly comprises a pedal, a connecting rod group and a guide plate; the pedal is movably connected with the roller component through the connecting rod group and the guide plate; the limiting assembly is fixed on the rack and comprises a limiting block and a limiting rod matched with the connecting rod group; the limiting block is positioned between the rack and the roller component, a limiting groove is arranged on the limiting block, and two ends of the roller component are inserted into the limiting groove and are movably connected with the rack.

2. The lifting wheel structure as claimed in claim 1, wherein the linkage comprises a first link and a second link fixedly connected to the pedal, and both ends of the first link are respectively hinged to the guide plate and the second link; the second connecting rod is opposite to the limiting rod.

3. A lifting wheel structure as claimed in claim 2, wherein the guide plate is provided at its upper end with an extension portion and a retraction portion, the extension portion having a height greater than the height of the retraction portion.

4. A lifting wheel construction according to claim 2 wherein the spacing assembly further comprises a cushion pad located on a side of the second link remote from the spacing bar.

5. The elevating wheel structure as set forth in claim 1, wherein the length direction of the limiting groove is perpendicular to the length direction of the frame.

6. A lifting wheel structure as claimed in claim 1, wherein the roller assembly comprises a roller and rollers at both ends of the roller, and the guide plate is fixed to the roller.

7. A lifting wheel construction in accordance with claim 6 wherein said roller is located at an intermediate position of said frame.

8. The elevating wheel structure as set forth in claim 6, wherein a buffer is provided on said limiting block, and the lower end of said buffer is opposite to said roller.

9. The elevating wheel structure as set forth in claim 1, wherein a support pad is provided at a lower end of said support base, and said support pad is made of rubber.

10. A medical bed comprising a bed body and a lifting wheel structure as claimed in any one of claims 1 to 9.