CN221243256U - Medical sickbed - Google Patents

Abstract

The utility model provides a medical sickbed, which comprises: a base; the bed frame is positioned above the base, the base is hinged with the bed frame through a hinge shaft, and the hinge shaft extends along the length direction of the bed frame; the driving mechanism comprises a driving piece, a worm wheel and a worm, wherein the driving piece is in driving connection with the worm to enable the worm to rotate, the worm wheel and the worm are in meshed transmission, the rotation axis of the worm wheel extends along the length direction of the bed frame, and the worm wheel is fixedly connected with the bed frame. According to the technical scheme provided by the utility model, the problem that the medical sickbed after side turning is easy to shake in the related art can be solved.

Description

Medical sickbed

Technical Field

The utility model relates to the technical field of medical sickbeds, in particular to a medical sickbed.

Background

A medical bed is a medical instrument for rest and recuperation of a patient or an elderly person with inconvenient movement, which has various postures, and can meet various nursing demands of a user, for example, adjustment of the height of the medical bed, or rollover of a bed frame, etc.

In the related art, medical beds for ICU monitoring often need to be turned sideways to provide more assisted treatment positions. The side turning can better prevent pressure sores, prevent pulmonary complications and effectively realize body position drainage and sputum excretion.

However, the medical hospital bed in the related art is easy to shake after being turned over due to the limitation of the driving structure.

Disclosure of utility model

The utility model provides a medical sickbed, which aims to solve the problem that the medical sickbed after side turning is easy to shake in the related art.

The utility model provides a medical sickbed, which comprises: a base; the bed frame is positioned above the base, the base is hinged with the bed frame through a hinge shaft, and the hinge shaft extends along the length direction of the bed frame; the driving mechanism comprises a driving piece, a worm wheel and a worm, wherein the driving piece is in driving connection with the worm to enable the worm to rotate, the worm wheel and the worm are in meshed transmission, the rotation axis of the worm wheel extends along the length direction of the bed frame, and the worm wheel is fixedly connected with the bed frame.

Further, the driving mechanism also comprises a worm wheel shaft extending along the length direction of the bed frame, the worm wheel is sleeved on the worm wheel shaft, and the worm wheel shaft is fixedly connected with the bed frame.

Further, the hinge shaft and the worm wheel shaft are coaxially arranged, one of the hinge shaft and the worm wheel shaft is provided with a protrusion, the other of the hinge shaft and the worm wheel shaft is provided with a groove, the protrusion and the groove extend along the axis of the hinge shaft, the protrusion is inserted into the groove, and the worm wheel shaft can rotate relative to the hinge shaft.

Further, the driving mechanism further comprises a driving wheel and a driven wheel which are meshed with each other, the driving wheel is sleeved on an output shaft of the driving piece, and the driven wheel is sleeved on the worm.

Further, an included angle is formed between the output shaft of the driving piece and the worm, and the driving wheel and the driven wheel are bevel gears.

Further, the driving mechanism further comprises a volute, the worm is rotatably arranged in the volute, the volute is fixedly arranged on the base, and the shell of the driving piece is fixedly connected with the volute.

Further, the driving mechanism further comprises a first limiting seat and a second limiting seat, the first limiting seat and the second limiting seat are respectively located at two sides of the worm wheel, and the side wall of the first limiting seat and the side wall of the second limiting seat are respectively in clearance fit with the two sides of the worm wheel.

Further, the articulated shaft is a plurality of, and a plurality of articulated shafts set up along the length direction interval of bed frame, and bed frame and base have a plurality of pin joints, and at every pin joint department, bed frame and base all are through articulated the connection of articulated shaft.

Further, the base includes pedestal, lift stand and linking frame, and the lift stand is along vertical extension, and the lower extreme and the pedestal of lift stand are connected, and the upper end and the linking frame of lift stand are connected, on the length direction of bed frame, and the both sides of lift stand all are provided with the articulated shaft, and linking frame and bed frame are worn to locate by the articulated shaft.

Further, two connecting frames and two lifting upright posts are arranged at intervals along the length direction of the bed frame, and each lifting upright post is connected with the corresponding connecting frame; and/or the connecting frame comprises a connecting plate and a hinged frame, the lower surface of the connecting plate is connected with the upper end of the lifting upright post, the hinged frame is arranged on the periphery of the connecting plate in a surrounding mode, two sides of the connecting plate are connected with the hinged frame, and the hinged shaft penetrates through the hinged frame and the bed frame.

By applying the technical scheme of the utility model, the medical sickbed comprises the base, the bed frame and the driving mechanism, when the sickbed is turned over, the worm is driven to rotate through the driving piece, so that the worm drives the worm wheel to rotate, and the worm wheel is further rotated along the width direction of the bed frame. The side turning of the bed frame is realized by arranging the worm and gear transmission mechanism, and the sickbed can be stably positioned at a certain side turning position by utilizing the self-locking between the worm and the gear, so that the shaking of the side turning position is eliminated, and the patient can lie on the bed more stably.

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 illustrates a top view of a medical hospital bed provided in accordance with an embodiment of the present utility model;

FIG. 2 shows a partial enlarged view at A in FIG. 1;

Fig. 3 shows a schematic structural view of a driving mechanism of a medical sickbed according to an embodiment of the present utility model;

Fig. 4 shows a cross-sectional view of a drive mechanism of a medical bed provided according to an embodiment of the utility model;

fig. 5 shows a side view of a medical bed provided according to an embodiment of the utility model.

Wherein the above figures include the following reference numerals:

10. a base; 11. a hinge shaft; 12. a base; 13. lifting the upright post; 14. a connection frame; 141. a connecting plate; 142. a hinged frame;

20. A bed frame;

30. a driving mechanism; 31. a driving member; 32. a worm wheel; 33. a worm; 34. a worm wheel shaft; 35. a driving wheel; 36. driven wheel; 37. a volute; 38. the first limiting seat; 39. and the second limiting seat.

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, the embodiment of the present utility model provides a medical hospital bed, which comprises a bed frame 20, a base 10, and a driving mechanism 30, wherein the bed frame 20 is positioned above the base 10, the base 10 and the bed frame 20 are hinged by a hinge shaft 11, and the hinge shaft 11 extends along the length direction of the bed frame 20; the driving mechanism 30 comprises a driving piece 31, a worm wheel 32 and a worm 33, wherein the driving piece 31 is in driving connection with the worm 33 so as to enable the worm 33 to rotate, the worm wheel 32 and the worm 33 are in meshed transmission, the rotation axis of the worm wheel 32 extends along the length direction of the bed frame 20, and the worm wheel 32 is fixedly connected with the bed frame 20.

By applying the technical scheme of the utility model, the medical sickbed comprises the base 10, the bed frame 20 and the driving mechanism 30, when the sickbed is turned over, the worm 33 is driven to rotate by the driving piece 31, so that the worm 33 drives the worm wheel 32 to rotate, and the worm wheel 32 rotates along the width direction of the bed frame 20, and as the rotation axis of the worm wheel 32 extends along the length direction of the bed frame 20, the worm wheel 32 can drive the bed frame 20 to turn over relative to the base 10. The side turning of the bed frame 20 is realized by arranging the worm gear 32 and worm 33 transmission mechanism, and the sickbed can be stably positioned at a side turning position by utilizing the self-locking between the worm gear 32 and the worm 33, so that the shaking at the side turning position is eliminated, and the patient can lie on the bed more stably.

In the present embodiment, the driving member 31 employs a direct current motor.

As shown in fig. 1 and 3, the driving mechanism 30 further includes a worm wheel shaft 34 extending along the length direction of the bed frame 20, the worm wheel 32 is sleeved on the worm wheel shaft 34, and the worm wheel shaft 34 is fixedly connected with the bed frame 20. The worm wheel shaft 34 is used for connecting the worm wheel 32 and the bed frame 20, and has the advantage of simple structure.

In this embodiment, the worm wheel 32 rotates about the worm wheel shaft 34.

As shown in fig. 1 to 3, the hinge shaft 11 and the worm wheel shaft 34 are coaxially provided, one of the hinge shaft 11 and the worm wheel shaft 34 is provided with a protrusion, the other of the hinge shaft 11 and the worm wheel shaft 34 is provided with a groove, both the protrusion and the groove extend along the axis of the hinge shaft 11, the protrusion is inserted in the groove, and the worm wheel shaft 34 can rotate relative to the hinge shaft 11. With the above arrangement, radial limit can be formed by the protrusions and the grooves, so that the hinge shaft 11 and the worm wheel shaft 34 have the same axis, and further, when the bed frame 20 rotates relative to the base 10, no resistance is generated, and the bed frame 20 rotates more smoothly.

In the present embodiment, a protrusion is provided at the end of the hinge shaft 11, and a groove is provided in the worm wheel shaft 34. The bulges and the grooves are both cylindrical structures.

As shown in fig. 3, the driving mechanism 30 further includes a driving wheel 35 and a driven wheel 36, which are meshed with each other, the driving wheel 35 is sleeved on the output shaft of the driving member 31, and the driven wheel 36 is sleeved on the worm 33. The power of the output shaft of the driving member 31 is transmitted to the worm 33 by gear transmission, and has the advantage of simple structure.

As shown in fig. 3, an included angle is formed between the output shaft of the driving member 31 and the worm 33, and the driving wheel 35 and the driven wheel 36 are bevel gears. With the above arrangement, the arrangement space of the driving member 31 can be saved, and the arrangement of the driving mechanism 30 can be made more compact.

In this embodiment, the output shaft of the driving member 31 is perpendicular to the worm 33.

As shown in fig. 3, the driving mechanism 30 further includes a volute 37, the worm 33 is rotatably disposed in the volute 37, the volute 37 is fixedly disposed on the base 10, and the housing of the driving member 31 is fixedly connected with the volute 37. The use of the volute 37 facilitates, on the one hand, the arrangement of the worm wheel 32 and, on the other hand, the arrangement of the drive 31.

As shown in fig. 3, the driving mechanism 30 further includes a first limiting seat 38 and a second limiting seat 39, where the first limiting seat 38 and the second limiting seat 39 are respectively located at two sides of the worm wheel 32, and a side wall of the first limiting seat 38 and a side wall of the second limiting seat 39 are respectively in clearance fit with two sides of the worm wheel 32. The worm wheel 32 can be limited by the first limiting seat 38 and the second limiting seat 39, so that the worm wheel 32 can be stably arranged on the worm wheel shaft 34.

In the present embodiment, the first limiting seat 38 and the second limiting seat 39 are both connected with the volute 37 to form a fixation.

Specifically, the hinge shafts 11 are plural, the plural hinge shafts 11 are disposed at intervals along the length direction of the bed frame 20, and the bed frame 20 and the base 10 have plural hinge points at each of which the bed frame 20 and the base 10 are hinge-connected by the hinge shafts 11. By adopting the arrangement of a plurality of hinge points, the stability of the medical sickbed during rollover can be improved in the axial direction of the bed frame 20.

As shown in fig. 5, the base 10 includes a base 12, a lifting upright 13 and a connecting frame 14, the lifting upright 13 extends vertically, the lower end of the lifting upright 13 is connected with the base 12, the upper end of the lifting upright 13 is connected with the connecting frame 14, hinge shafts 11 are disposed on two sides of the lifting upright 13 in the length direction of the bed frame 20, and the hinge shafts 11 penetrate through the connecting frame 14 and the bed frame 20. The base 10 with the structure can drive the connecting frame 14 to lift relative to the base 12 by using the lifting upright post 13, so that the lifting of the bed frame 20 relative to the base 12 is realized, the medical sickbed has more positions, and more requirements of patients are met.

In this embodiment, the number of the connection frames 14 and the number of the lifting columns 13 are two, the two connection frames 14 and the two lifting columns 13 are arranged at intervals along the length direction of the bed frame 20, each lifting column 13 is connected with the corresponding connection frame 14, and the head and the foot of a patient can be lifted respectively by arranging 2 lifting columns 13, so that the medical sickbed has more positions.

Specifically, the connection frame 14 includes a connection plate 141 and a hinge frame 142, the lower surface of the connection plate 141 is connected with the upper end of the lifting upright 13, the hinge frame 142 is enclosed around the connection plate 141, two sides of the connection plate 141 are connected with the hinge frame 142, and the hinge shaft 11 is arranged through the hinge frame 142 and the bed frame 20. The connecting frame 14 adopting the structure has the advantages of simple structure and convenient processing.

In this embodiment, the nursing bed still includes back backup pad, buttock backup pad, shank backup pad, backplate driving piece and shank driving piece, back backup pad, buttock backup pad and shank backup pad set gradually along the length direction of bed frame 20, the first end of back backup pad freely sets up, the second end of back backup pad articulates with the bed frame mutually, the fixed setting of buttock backup pad is on the bed frame, the first end of shank backup pad articulates with the bed frame mutually, the second end of shank backup pad articulates with the bed frame mutually, the backplate driving piece is located the below of back backup pad, the both ends of backplate driving piece articulate with back backup pad and bed frame 20 respectively, the shank driving piece is located the below of shank backup pad, the both ends of shank driving piece articulate with bed frame 20 and shank backup pad respectively, the backplate driving piece can drive back backup pad and rotate with bed frame 20 relatively, the shank driving piece can drive shank backup pad and rotate with bed frame 20 relatively. The back, buttocks and legs can be respectively supported by the back support plate, the buttocks support plate and the leg support plate. And moreover, the back posture can be switched by utilizing the back plate transmission assembly and the back plate driving piece, and the leg posture can be switched by utilizing the leg plate transmission assembly and the leg plate driving piece.

In addition, the bed frame 20 is further provided with a headboard, a bed tail board, a left front guardrail board, a left rear guardrail board, a right front guardrail board and a right rear guardrail board, wherein the headboard and the bed tail board are respectively arranged at the head end and the tail end of the bed frame 20, the left front guardrail board and the right front guardrail board are respectively fixedly connected with the left side and the right side of the back support board, and the left front guardrail board and the left rear guardrail board are respectively fixedly connected with the left side and the right side of the bed frame 20.

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 exemplary embodiments according to 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 on … …," "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 "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 (10)

1. A medical hospital bed, the medical hospital bed comprising:

a base (10);

The bed frame (20) is positioned above the base (10), the base (10) and the bed frame (20) are hinged through a hinge shaft (11), and the hinge shaft (11) extends along the length direction of the bed frame (20);

The driving mechanism (30) comprises a driving piece (31), a worm wheel (32) and a worm (33), wherein the driving piece (31) is in driving connection with the worm (33) so as to enable the worm (33) to rotate, the worm wheel (32) and the worm (33) are in meshed transmission, the rotation axis of the worm wheel (32) extends along the length direction of the bed frame (20), and the worm wheel (32) is fixedly connected with the bed frame (20).

2. The medical hospital bed according to claim 1, characterized in that the driving mechanism (30) further comprises a worm wheel shaft (34) extending along the length direction of the bed frame (20), the worm wheel (32) is sleeved on the worm wheel shaft (34), and the worm wheel shaft (34) is fixedly connected with the bed frame (20).

3. Medical hospital bed according to claim 2, characterized in that the hinge shaft (11) and the worm wheel shaft (34) are coaxially arranged, one of the hinge shaft (11) and the worm wheel shaft (34) is provided with a protrusion, the other of the hinge shaft (11) and the worm wheel shaft (34) is provided with a groove, both the protrusion and the groove extend along the axis of the hinge shaft (11), the protrusion is inserted in the groove, and the worm wheel shaft (34) can rotate relative to the hinge shaft (11).

4. The medical hospital bed according to claim 1, characterized in that the driving mechanism (30) further comprises a driving wheel (35) and a driven wheel (36) which are meshed, the driving wheel (35) is sleeved on the output shaft of the driving piece (31), and the driven wheel (36) is sleeved on the worm (33).

5. Medical hospital bed according to claim 4, characterized in that the output shaft of the drive (31) and the worm (33) have an angle between them, the driving wheel (35) and the driven wheel (36) being bevel gears.

6. The medical hospital bed according to claim 1, characterized in that the drive mechanism (30) further comprises a volute (37), the worm (33) is rotatably arranged in the volute (37), the volute (37) is fixedly arranged on the base (10), and the housing of the drive member (31) is fixedly connected with the volute (37).

7. The medical hospital bed according to claim 1, characterized in that the driving mechanism (30) further comprises a first limit seat (38) and a second limit seat (39), the first limit seat (38) and the second limit seat (39) are respectively located at two sides of the worm wheel (32), and the side wall of the first limit seat (38) and the side wall of the second limit seat (39) are respectively in clearance fit with two sides of the worm wheel (32).

8. Medical hospital bed according to any of claims 1-7, characterized in that the hinge shafts (11) are a plurality, a plurality of the hinge shafts (11) being arranged at intervals along the length direction of the frame (20), the frame (20) and the base (10) having a plurality of hinge points, at each of which the frame (20) and the base (10) are hinged by the hinge shafts (11).

9. The medical sickbed according to claim 8, wherein the base (10) comprises a base body (12), a lifting upright post (13) and a connecting frame (14), the lifting upright post (13) extends vertically, the lower end of the lifting upright post (13) is connected with the base body (12), the upper end of the lifting upright post (13) is connected with the connecting frame (14), the two sides of the lifting upright post (13) are provided with the hinge shafts (11) in the length direction of the bed frame (20), and the hinge shafts (11) penetrate through the connecting frame (14) and the bed frame (20).

10. The hospital bed of claim 9, wherein the patient is a patient,

The two connecting frames (14) and the two lifting upright posts (13) are arranged at intervals along the length direction of the bed frame (20), and each lifting upright post (13) is connected with the corresponding connecting frame (14); and/or the number of the groups of groups,

The connecting frame (14) comprises a connecting plate (141) and a hinged frame (142), the lower surface of the connecting plate (141) is connected with the upper end of the lifting upright post (13), the hinged frame (142) is arranged around the periphery of the connecting plate (141), two sides of the connecting plate (141) are connected with the hinged frame (142), and the hinged shaft (11) is arranged in the hinged frame (142) and the bed frame (20) in a penetrating mode.