CN220639409U - Wheel device and nursing bed with same - Google Patents

Abstract

The utility model provides a wheel device and a nursing bed with the same, wherein the wheel device comprises: the base comprises a beam assembly and wheels arranged at two ends of the beam assembly; the brake assembly comprises a brake rod and brake shafts arranged at two ends of the brake rod, the brake rod and the beam assembly are arranged at intervals, wheels are located on one sides of the corresponding brake shafts, the two ends of the brake rod are respectively connected with the corresponding brake shafts in a driving mode, so that the brake shafts vertically and movably penetrate through the beam assembly, the brake shafts are in a braking state of being in contact with the ground and enabling the wheels to be separated from the ground, and an unlocking state of being far away from the ground and enabling the wheels to be in contact with the ground, and the brake rod can drive the brake shafts to switch between the braking state and the unlocking state. Through the technical scheme provided by the application, the problem of complex operation of the nursing bed in the related technology can be solved.

Description

Wheel device and nursing bed with same

Technical Field

The utility model relates to the technical field of nursing beds, in particular to a wheel device and a nursing bed with the same.

Background

The nursing bed is a medical instrument for rest and recuperation of patients or old people with inconvenient actions, has various postures, can meet various nursing demands of users, has high degree of automation, and can promote the experience of patients.

In the related art, wheels are arranged at four corners of the nursing bed, and a brake device is arranged on each wheel respectively so as to realize braking and unlocking of the nursing bed.

However, when braking, the operation is complicated because each wheel needs to be operated.

Disclosure of Invention

The utility model provides a wheel device and a nursing bed with the wheel device, which are used for solving the problem of complex operation of the nursing bed in the related technology.

According to an aspect of the present utility model, there is provided a wheel apparatus comprising: the base comprises a beam assembly and wheels arranged at two ends of the beam assembly; the brake assembly comprises a brake rod and brake shafts arranged at two ends of the brake rod, the brake rod and the beam assembly are arranged at intervals, wheels are located on one sides of the corresponding brake shafts, the two ends of the brake rod are respectively connected with the corresponding brake shafts in a driving mode, so that the brake shafts vertically and movably penetrate through the beam assembly, the brake shafts are in a braking state of being in contact with the ground and enabling the wheels to be separated from the ground, and an unlocking state of being far away from the ground and enabling the wheels to be in contact with the ground, and the brake rod can drive the brake shafts to switch between the braking state and the unlocking state.

Further, the brake assembly further comprises a lifting plate and a driving plate, the brake rod rotatably penetrates through the beam assembly, the brake rod is connected with the lifting plate or the driving plate, the upper end of the lifting plate is hinged with the beam assembly, the upper end of the driving plate is hinged with the lower end of the lifting plate, and the lower end of the driving plate is hinged with the brake shaft and can drive the brake shaft to move.

Further, the lifting plate can be in limited fit with the driving plate to limit rotation of the driving plate relative to the lifting plate when the brake axle is in a braking state.

Further, lifting plate and drive plate are U shaped plate structure, and the upper end of drive plate penetrates the lifting plate, and the inner wall of lifting plate can with the outer wall spacing cooperation of drive plate.

Further, the lifting plate can be in positive engagement with the beam assembly to limit rotation of the lifting plate relative to the beam assembly when the brake axle is in an unlocked condition.

Further, the brake assembly further comprises an adjusting bolt, the adjusting bolt vertically penetrates through the beam assembly, and the adjusting bolt can be abutted against the upper end of the lifting plate.

Further, the brake assembly further comprises a lifting shaft and a reset piece, the lifting shaft is transversely arranged on the brake shaft in a penetrating mode, the lower end of the driving plate is hinged to the brake shaft through the lifting shaft, the reset piece is sleeved on the brake shaft, and two ends of the reset piece are respectively abutted to the lifting shaft and the beam assembly.

Further, the beam assembly comprises a beam body, a wheel seat and a brake seat, the wheel seat and the brake seat are arranged at two ends of the beam body, the wheel seat is connected with the brake seat, the wheel is arranged on the wheel seat, the brake shaft vertically movably penetrates through the wheel seat and the brake seat, and the upper end of the lifting plate is hinged with the brake seat.

Further, the brake block includes roof, bottom plate and vertical board, and roof and bottom plate all follow horizontal extension, and the roof is located the top of bottom plate, and the both ends of vertical board are connected with roof and bottom plate respectively, and brake axle wears to locate roof and bottom plate along vertical, and the upper end of lifting plate is articulated mutually with the roof, and vertical board is connected with the wheel seat.

Further, the wheel device also comprises a protective cover, wherein the protective cover is arranged above the end parts of the brake assembly and the beam assembly and is connected with the base, and an indicator lamp is arranged on the protective cover and can indicate the working state of the brake shaft; and/or the brake lever is provided with an operating handle.

According to another aspect of the present utility model, there is provided a care bed comprising: a bed body; and the wheel device is connected below the bed body and is provided by the above.

By applying the technical scheme of the utility model, the wheel device comprises the base and the brake assembly, when the nursing bed is required to be braked, the brake shaft is driven by the brake rod to vertically move downwards, so that the brake shaft moves from an unlocking state far away from the ground to a braking state contacting the ground, and at the moment, the wheels move upwards from the ground to be separated from the ground, so that the nursing bed is braked. When the nursing bed is required to walk, the brake shaft is driven by the brake rod to move vertically upwards, so that the brake shaft moves from a brake state contacting the ground to an unlocking state far away from the ground. At this time, the wheels are moved from being separated from the ground to being in contact with the ground, thereby moving the nursing bed. Because both ends of the beam component are provided with wheels, two brake shafts can be driven by one brake rod, so that the braking and the movement of the nursing bed are realized. The operation is simpler and more convenient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 shows a schematic structural view of a wheel device provided according to an embodiment of the present utility model;

FIG. 2 is a schematic illustration of a wheel mount and brake assembly of a wheel assembly according to an embodiment of the present utility model;

FIG. 3 illustrates yet another structural schematic of a wheel mount and brake assembly of a wheel apparatus provided in accordance with an embodiment of the present utility model;

fig. 4 shows a cross-sectional view of a brake axle of a wheel device according to an embodiment of the present utility model in a braking state;

fig. 5 shows a cross-sectional view of a brake axle of a wheel device according to an embodiment of the present utility model in an unlocked state.

Wherein the above figures include the following reference numerals:

10. a base; 11. a beam assembly; 111. a beam body; 112. wheel seats; 113. a brake seat; 1131. a top plate; 1132. a bottom plate; 1133. a vertical plate; 12. a wheel;

20. a brake assembly; 21. a brake lever; 211. an operating handle; 22. a brake shaft; 23. a lifting plate; 24. a driving plate; 25. an adjusting bolt; 26. a lifting shaft; 27. a reset member;

30. and a protective cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 5, an embodiment of the present utility model provides a wheel apparatus including a base 10 and a brake assembly 20, the base 10 including a beam assembly 11 and wheels 12 disposed at both ends of the beam assembly 11; the brake assembly 20 comprises a brake rod 21 and brake shafts 22 arranged at two ends of the brake rod 21, the brake rod 21 and the beam assembly 11 are arranged at intervals, the wheels 12 are located on one sides of the corresponding brake shafts 22, two ends of the brake rod 21 are respectively in driving connection with the corresponding brake shafts 22, so that the brake shafts 22 vertically movably penetrate through the beam assembly 11, the brake shafts 22 are in a brake state of contacting the ground and enabling the wheels 12 to be separated from the ground and an unlocking state of keeping away from the ground and enabling the wheels 12 to contact the ground, and the brake rod 21 can drive the brake shafts 22 to switch between the brake state and the unlocking state.

By applying the technical scheme of the utility model, the wheel device comprises the base 10 and the brake assembly 20, when a nursing bed is required to be braked, the brake shaft 22 is driven to move downwards vertically through the brake rod 21, so that the brake shaft 22 moves from an unlocking state far away from the ground to a braking state contacting the ground, and at the moment, the wheels 12 move upwards from the ground to be separated from the ground, so that the nursing bed is braked. When the nursing bed is required to walk, the brake shaft 22 is driven to vertically move upwards through the brake rod 21, so that the brake shaft 22 moves from a brake state contacting the ground to an unlocking state far away from the ground. At this time, the wheels 12 are moved from being separated from the ground to being in contact with the ground, thereby moving the nursing bed. Because the wheels 12 are arranged at the two ends of the beam assembly 11, two brake shafts 22 can be driven through one brake rod 21, so that the braking and the movement of the nursing bed can be realized. The operation is simpler and more convenient.

In this embodiment, the lower end of the brake shaft 22 is connected with a brake block made of rubber screws, so that friction force with the ground can be increased, and a certain buffer can be provided.

Wherein, the brake lever 21 can be directly connected with the brake shaft 22, when the brake lever 21 is operated by a nursing staff, the brake shaft 22 is directly driven to move vertically through the brake lever 21, and also can be driven to move through a transmission piece when the brake lever 21 moves.

Specifically, wheels 12 are disposed on both sides of the brake shaft 22, the wheels 12 are universal wheels, and when the brake lever 21 is in a braking state, the wheels 12 on both sides of the brake shaft 22 are separated from the ground. When the brake lever 21 is in the unlocked state, the wheels 12 on both sides of the brake axle 22 are in contact with the ground.

As shown in fig. 4 and 5, the brake assembly 20 further includes a lifting plate 23 and a driving plate 24, the brake rod 21 rotatably penetrates through the beam assembly 11, the brake rod 21 is connected with the lifting plate 23 or the driving plate 24, the upper end of the lifting plate 23 is hinged with the beam assembly 11, the upper end of the driving plate 24 is hinged with the lower end of the lifting plate 23, and the lower end of the driving plate 24 is hinged with the brake shaft 22 and can drive the brake shaft 22 to move. With the adoption of the structure, when a nursing staff operates the brake rod 21, the brake rod 21 can rotate relative to the beam assembly 11, the brake rod 21 is utilized to drive the lifting plate 23 to rotate relative to the beam assembly 11, and then the lifting plate 23 drives the driving plate 24 to rotate and simultaneously move vertically, so that the driving plate 24 drives the brake shaft 22 to move.

In this embodiment, the brake lever 21 is connected to the lifting plate 23 for ease of connection.

Wherein the lifting plate 23 is capable of a positive fit with the driving plate 24 to limit rotation of the driving plate 24 relative to the lifting plate 23 when the brake axle 22 is in a braked condition. With the above arrangement, the brake shaft 22 can be stably in a braking state, so that the nursing bed is more stable.

As shown in fig. 2, 4 and 5, the lifting plate 23 and the driving plate 24 are all in a U-shaped plate structure, the upper end of the driving plate 24 penetrates into the lifting plate 23, and the inner wall of the lifting plate 23 can be in limit fit with the outer wall of the driving plate 24. Adopt foretell limit structure, have simple structure, the advantage of being convenient for set up.

In the present embodiment, the lower surface of the brake shaft 22 is of a planar structure, and when the brake shaft 22 is switched to the braking state, both the lifting plate 23 and the driving plate 24 are in the vertical state. However, when the lift plate 23 and the driving plate 24 continue to rotate relative to each other, that is, the lift plate 23 rotates clockwise in fig. 5, since the inner wall of the lift plate 23 can be in a limit fit with the outer wall of the driving plate 24, further both can be prevented from continuing to rotate, so that the lift plate 23 and the driving plate 24 are still in a vertical state, and the lower surface of the brake shaft 22 is in contact with the ground.

Wherein the lifting plate 23 is capable of a positive fit with the beam assembly 11 to limit rotation of the lifting plate 23 relative to the beam assembly 11 when the brake axle 22 is in the unlocked condition. By adopting the structure, the lifting plate 23 can be limited, so that the rotation angle of the lifting plate 23 cannot be too large.

As shown in fig. 5, the brake assembly 20 further includes an adjusting bolt 25, where the adjusting bolt 25 is vertically penetrating through the beam assembly 11, and the adjusting bolt 25 can abut against the upper end of the lifting plate 23. The adjusting bolt 25 is utilized to be in limit fit with the upper end of the lifting plate 23, and the lifting plate has the advantages of being simple in structure and convenient to install. Also, by adjusting the length of the adjusting bolt 25, the position of the lift plate 23 in the unlocked state can be adjusted.

Of course, a limit projection with an unadjustable length may be provided on the beam assembly 11 to abut against the upper end of the lift plate 23.

As shown in fig. 4 and 5, the brake assembly 20 further includes a lifting shaft 26 and a resetting member 27, the lifting shaft 26 is transversely penetrating through the brake shaft 22, the lower end of the driving plate 24 is hinged to the brake shaft 22 through the lifting shaft 26, the resetting member 27 is sleeved on the brake shaft 22, and two ends of the resetting member 27 are respectively abutted against the lifting shaft 26 and the beam assembly 11. When the driving plate 24 rotates, the lifting shaft 26 can drive the brake shaft 22 to move vertically, and the brake device has the advantages of being simple in structure and convenient to set. The restoring member 27 can hold the brake shaft 22 in the unlocked state, and the elastic force of the restoring member 27 can automatically restore the brake shaft from the braking state to the unlocked state.

In the present embodiment, the return member 27 is a return spring.

As shown in fig. 1 to 3, the beam assembly 11 includes a beam 111, a wheel seat 112 and a brake seat 113, the wheel seat 112 and the brake seat 113 are disposed at both ends of the beam 111, the wheel seat 112 and the brake seat 113 are connected, the wheel 12 is disposed on the wheel seat 112, the brake shaft 22 is vertically movably disposed through the wheel seat 112 and the brake seat 113, and the upper end of the lifting plate 23 is hinged to the brake seat 113. With the adoption of the beam assembly 11 with the structure, two wheel seats 112 can be connected by the beam body 111, wheels can be arranged by the wheel seats 112, and the brake assembly 20 can be arranged by the brake seat 113, so that the beam assembly has the advantage of being convenient to set.

In other embodiments, the wheel well 112 may be utilized to provide the brake assembly 20.

As shown in fig. 2 and 5, the brake housing 113 includes a top plate 1131, a bottom plate 1132, and a vertical plate 1133, wherein the top plate 1131 and the bottom plate 1132 extend in a lateral direction, the top plate 1131 is located above the bottom plate 1132, two ends of the vertical plate 1133 are respectively connected with the top plate 1131 and the bottom plate 1132, the brake shaft 22 vertically penetrates through the top plate 1131 and the bottom plate 1132, the upper end of the lifting plate 23 is hinged with the top plate 1131, and the vertical plate 1133 is connected with the wheel housing 112. The brake seat 113 adopting the structure has the advantages of simple structure and convenient arrangement.

In this embodiment, the adjusting bolt 25 vertically penetrates through the top plate 1131, and two ends of the reset element 27 are respectively connected with the lifting shaft 26 and the upper surface of the bottom plate 1132.

Wherein, guide sleeves are also arranged on the top plate 1131 and the bottom plate 1132, and the brake shaft 22 is arranged in the guide sleeves in a penetrating way.

Specifically, the brake mount 113 further includes a hinge plate disposed vertically, an upper end of which is connected to the top plate 1131, and an upper end of the lifting plate 23 is connected to the hinge plate.

As shown in fig. 1, the wheel device further includes a protective cover 30, wherein the protective cover 30 is covered above the ends of the brake assembly 20 and the beam assembly 11 and is connected with the base 10, an indicator lamp is arranged on the protective cover 30, the indicator lamp can indicate the working state of the brake shaft 22, and the protective cover 30 is used for protecting the brake assembly 20, so that the brake assembly 20 is prevented from being damaged. The operating state of the brake axle 22 can be indicated by means of an indicator light for easy identification by the caretaker.

In this embodiment, the shield 30 is provided with a relief groove, and the beam assembly 11 is connected to the lift plate 23 through the relief groove.

Specifically, the brake lever 21 is provided with an operating handle 211. By providing the operation handle 211, the nursing staff can conveniently operate, and the nursing bed can be braked and walked under the condition of not bending down.

The following description will be made in connection with a specific operation of the wheel apparatus:

as shown in fig. 4 and 5, when a brake is required, a caregiver operates the operation handle 211 to rotate the brake lever 21 to drive the lifting plate 23 clockwise with respect to the top plate 1131, and the lifting plate 23 drives the driving plate 24 to rotate counterclockwise, and at the same time, since the distance between the top plate 1131 and the lifting shaft 26 increases, the lifting shaft 26 drives the brake shaft 22 to move vertically downward, so that the lower surface of the brake shaft 22 contacts the ground, thereby separating the wheels 12 from the ground. At this time, the lifting plate 23 cannot continue to rotate clockwise due to the limiting action of the lifting plate 23 and the driving plate 24, thereby being maintained in a braking state. When walking is required, the nursing staff operates the operation handle 211 to enable the brake rod 21 to drive the lifting plate 23 to rotate anticlockwise relative to the top plate 1131, the lifting plate 23 drives the driving plate 24 to rotate clockwise, and meanwhile, as the distance between the top plate 1131 and the lifting shaft 26 is reduced, the lifting shaft 26 drives the brake shaft 22 to move upwards vertically, the lower surface of the brake shaft 22 is separated from the ground, and therefore the wheels 12 are in contact with the ground.

In another embodiment of the present utility model, a nursing bed is provided, which includes a bed body and a wheel device, wherein the wheel device is connected below the bed body, and the wheel device is provided above. Because the wheels 12 are arranged at the two ends of the beam assembly 11, two brake shafts 22 can be driven through one brake rod 21, so that the braking and the movement of the nursing bed can be realized. The operation is simpler and more convenient.

In this embodiment, the nursing bed further includes a lifting device, and the upper end of the lifting device is in driving connection with the bed body, so that the bed body moves vertically, and the wheel device is disposed at the lower end of the lifting device.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (11)

1. A wheel device, characterized in that the wheel device comprises:

a base (10) including a beam assembly (11) and wheels (12) provided at both ends of the beam assembly (11);

brake subassembly (20), including brake lever (21) and set up brake axle (22) at the both ends of brake lever (21), brake lever (21) with beam assembly (11) interval sets up, wheel (12) are located the correspondence one side of brake axle (22), the both ends of brake lever (21) respectively with the correspondence brake axle (22) drive connection, so that brake axle (22) are worn to locate along vertical movably beam assembly (11), brake axle (22) have with ground contact and make wheel (12) break away from the brake state on ground and keep away from ground and make wheel (12) contact the unblock state on ground, brake lever (21) can drive brake axle (22) switch between brake state and unblock state.

2. The wheel device according to claim 1, wherein the brake assembly (20) further comprises a lifting plate (23) and a driving plate (24), the brake rod (21) is rotatably arranged through the beam assembly (11), the brake rod (21) is connected with the lifting plate (23) or the driving plate (24), the upper end of the lifting plate (23) is hinged with the beam assembly (11), the upper end of the driving plate (24) is hinged with the lower end of the lifting plate (23), and the lower end of the driving plate (24) is hinged with the brake shaft (22) and can drive the brake shaft (22) to move.

3. Wheel arrangement according to claim 2, characterized in that the lifting plate (23) is adapted to positively cooperate with the drive plate (24) to limit the rotation of the drive plate (24) relative to the lifting plate (23) when the brake axle (22) is in the braking state.

4. A wheel arrangement according to claim 3, characterized in that the lifting plate (23) and the driving plate (24) are both of U-shaped plate structure, the upper end of the driving plate (24) penetrates into the lifting plate (23), and the inner wall of the lifting plate (23) can be in limit fit with the outer wall of the driving plate (24).

5. Wheel arrangement according to claim 2, characterized in that the lifting plate (23) is adapted to positively cooperate with the beam assembly (11) to limit the rotation of the lifting plate (23) relative to the beam assembly (11) when the brake axle (22) is in the unlocked state.

6. The wheel device according to claim 5, wherein the brake assembly (20) further comprises an adjusting bolt (25), the adjusting bolt (25) being vertically penetrating the beam assembly (11), the adjusting bolt (25) being capable of abutting against the upper end of the lifting plate (23).

7. The wheel device according to claim 2, wherein the brake assembly (20) further comprises a lifting shaft (26) and a resetting piece (27), the lifting shaft (26) is transversely arranged on the brake shaft (22) in a penetrating manner, the lower end of the driving plate (24) is hinged with the brake shaft (22) through the lifting shaft (26), the resetting piece (27) is sleeved on the brake shaft (22), and two ends of the resetting piece (27) are respectively abutted against the lifting shaft (26) and the beam assembly (11).

8. The wheel device according to claim 2, wherein the beam assembly (11) comprises a beam body (111), a wheel seat (112) and a brake seat (113), the wheel seat (112) and the brake seat (113) are arranged at two ends of the beam body (111), the wheel seat (112) and the brake seat (113) are connected, the wheel (12) is arranged on the wheel seat (112), the brake shaft (22) vertically movably penetrates through the wheel seat (112) and the brake seat (113), and the upper end of the lifting plate (23) is hinged with the brake seat (113).

9. The wheel device according to claim 8, wherein the brake seat (113) comprises a top plate (1131), a bottom plate (1132) and a vertical plate (1133), the top plate (1131) and the bottom plate (1132) all extend transversely, the top plate (1131) is located above the bottom plate (1132), two ends of the vertical plate (1133) are respectively connected with the top plate (1131) and the bottom plate (1132), the brake shaft (22) vertically penetrates through the top plate (1131) and the bottom plate (1132), the upper end of the lifting plate (23) is hinged with the top plate (1131), and the vertical plate (1133) is connected with the wheel seat (112).

10. The wheel device according to claim 1, wherein,

the wheel device further comprises a protective cover (30), wherein the protective cover (30) is covered above the ends of the brake assembly (20) and the beam assembly (11) and is connected with the base (10), and an indicator lamp is arranged on the protective cover (30) and can indicate the working state of the brake shaft (22); and/or the number of the groups of groups,

the brake lever (21) is provided with an operating handle (211).

11. A care bed, the care bed comprising:

a bed body;

a wheel device connected below the bed, the wheel device being as claimed in any one of claims 1 to 10.