CN219814535U - Lifting structure of bed body backboard - Google Patents

Abstract

The utility model relates to a lifting structure of a bed body backboard, and belongs to the technical field of nursing beds. Solves the problems of complex lifting structure and high cost. Including half ring gear, main pivot, bearing frame, hand wheel, mounting box, worm wheel, worm and gear, install the gear in the main pivot, the one end of main pivot is provided with the bearing frame, and the other end of main pivot is connected with the mounting box through the bearing, is provided with the worm through the bearing in the mounting box, and the other end and the worm wheel coaxial coupling of main pivot, worm and worm wheel meshing, worm and hand wheel establish to be connected. Simple structure, small occupied space and low cost, and is suitable for household use.

Description

Lifting structure of bed body backboard

Technical Field

The utility model relates to a lifting structure of a bed body backboard, and belongs to the technical field of nursing beds.

Background

The nursing bed is a bed body with nursing function designed according to the life habit and the treatment requirement of the patient. For ease of operation, it is common to have a power bed, such as: the utility model discloses a novel multifunctional nursing bed with the publication number of CN208823232U, which comprises the following technical means: the first hydraulic movable rod stretches out and withdraws to control the lifting of the back lifting bedstead, so that a patient can feel more comfortable when eating, breathing, watching things and the like. For most families, the living space of the families is limited, and when the nursing bed is used for caring patients or old people with inconvenient activities, the occupied space is small, and the low-price nursing bed meets the household requirements. However, when the hydraulic movable rod is used, besides the hydraulic rod, the hydraulic movable rod is matched with components such as an oil tank and the like to form a hydraulic system, so that the nursing bed is lifted, and the hydraulic movable rod has the advantages of large volume, complex structure and high cost and is difficult to bear by a common family.

Therefore, it is needed to provide a lifting structure of the bed back plate to solve the above-mentioned technical problems.

Disclosure of Invention

The utility model solves the problems of complex lifting structure and high cost. The following presents a simplified summary of the utility model in order to provide a basic understanding of some aspects of the utility model. It should be understood that this summary is not an exhaustive overview of the utility model. It is not intended to identify key or critical elements of the utility model or to delineate the scope of the utility model.

The technical scheme of the utility model is as follows:

the utility model provides a lifting structure of bed body backplate, includes half ring gear, main pivot, bearing frame, hand wheel, mounting box, worm wheel, worm and gear, installs the gear in the main pivot, and the one end of main pivot is provided with the bearing frame, and the other end of main pivot passes through the bearing to be connected with the mounting box, is provided with the worm through the bearing in the mounting box, and the other end and the worm wheel coaxial coupling of main pivot, worm and worm wheel meshing, worm and hand wheel establish to be connected.

Preferably: the portable electric bicycle further comprises a first bevel gear and a second bevel gear, the second bevel gear is arranged in the mounting box through a rotating shaft, the first bevel gear is coaxially connected with the worm, the first bevel gear is meshed with the second bevel gear, and the hand wheel is coaxially connected with the second bevel gear.

Preferably: the bed body fixed plate is fixedly arranged on one side of the bed plate frame, the bed body backboard is arranged on the other side of the bed plate frame, the bed plate frame is hinged with the bed body backboard through a small rotating shaft, one end of the half toothed ring is connected with the bed body backboard, and the mounting box, the bearing seat and the bed plate frame are connected.

Preferably: the half-tooth ring and the small rotating shaft are coaxially arranged.

Preferably: the half-toothed ring is a 180-degree toothed ring.

The utility model has the following beneficial effects:

according to the utility model, the hand wheel is rotated, the second bevel gear drives the first bevel gear to rotate, the first bevel gear drives the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel drives the gear to rotate through the main rotating shaft, so that the half-toothed belt drives the bed body backboard to realize lifting, self-locking is realized, the position of the bed body backboard 2 is stable, the use safety of a patient is ensured, the structure is simple, the occupied space is small, the manufacturing cost is low, and the novel multifunctional bed is suitable for household use;

the half-toothed ring is a 180-degree toothed ring; when the bed is lowered and returned, the other end of the half-toothed ring is contacted with the bottom of the bed body fixing plate, the rotating angle of the bed body back plate is limited, the return is accurate, the bed body back plate and the bed body fixing plate can be positioned on the same horizontal plane, the operation is simple, and the use is comfortable.

Drawings

FIG. 1 is a schematic view of a lifting structure of a bed back plate;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is an enlarged view at B in fig. 1;

FIG. 4 is a front view of the installation of a lifting structure of a bed back plate;

FIG. 5 is an installation perspective view of a lifting structure of a bed back plate;

in the figure: the device comprises a half-toothed ring 11, a main rotating shaft 12, a bearing seat 13, a hand wheel 14, a mounting box 15, a worm wheel 16, a worm 17, a first bevel gear 18, a second bevel gear 19, a gear 120, a bed body backboard 2, a bed body fixing plate 3, a bed plate frame 4 and a small rotating shaft 5.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The first embodiment is as follows: 1-5, the lifting structure of the bed body backboard of the embodiment comprises a half-toothed ring 11, a main rotating shaft 12, a bearing seat 13, a hand wheel 14, a mounting box 15, a worm wheel 16, a worm 17 and a gear 120, wherein the gear 120 is mounted on the main rotating shaft 12, one end of the main rotating shaft 12 is provided with the bearing seat 13, the other end of the main rotating shaft 12 is connected with the mounting box 15 through a bearing, the worm 17 is arranged in the mounting box 15 through a bearing, the other end of the main rotating shaft 12 is coaxially connected with the worm wheel 16, the worm 17 is meshed with the worm wheel 16, and the worm 17 is connected with the hand wheel 14; realizing self-locking, stabilizing the position of the bed body backboard 2, guaranteeing the use safety of patients, having simple structure, small occupied space and low manufacturing cost, and being suitable for household use;

the device further comprises a first bevel gear 18 and a second bevel gear 19, wherein the second bevel gear 19 is arranged in the installation box 15 through a rotating shaft, the first bevel gear 18 is coaxially connected with the worm 17, the first bevel gear 18 is meshed with the second bevel gear 19, and the hand wheel 14 is coaxially connected with the second bevel gear 19; steering is carried out, so that the hand wheel 14 is convenient to rotate; rotating the hand wheel 14, wherein the hand wheel 14 drives the second bevel gear 19 to drive the first bevel gear 18 to rotate, the first bevel gear 18 drives the worm 17 to rotate, the worm 17 drives the worm wheel 16 to rotate, and the worm wheel 16 drives the gear 120 to rotate through the main rotating shaft 12, so that the half-toothed ring 11 drives the bed backboard 2 to lift;

the bed body fixing plate 3 is fixedly arranged on one side of the bed board frame 4, the bed board frame 4 is provided with a bed body back board 2 on the other side, the bed board frame 4 is hinged with the bed body back board 2 through a small rotating shaft 5, one end of the half-tooth ring 11 is fixedly connected with the bed body back board 2, and the mounting box 15 and the bearing seat 13 are connected with the bed board frame 4;

the half-tooth ring 11 is coaxially arranged with the small rotating shaft 5; so that the rotation is smooth;

the half-tooth ring 11 is a 180-degree tooth ring; when the bed is lowered and returned, the other end of the half toothed ring 11 is contacted with the bottom of the bed fixing plate 3, so that the rotating angle of the bed backboard 2 is limited, the return is accurate, the bed backboard 2 and the bed fixing plate 3 can be positioned on the same horizontal plane, the operation is simple, and the use is comfortable.

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 utility model. 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 should be considered 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.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

It should be noted that, in the above embodiments, as long as the technical solutions that are not contradictory can be arranged and combined, those skilled in the art can exhaust all the possibilities according to the mathematical knowledge of the arrangement and combination, so the present utility model does not describe the technical solutions after the arrangement and combination one by one, but should be understood that the technical solutions after the arrangement and combination have been disclosed by 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 (5)

1. The utility model provides a lifting structure of bed body backplate which characterized in that: including half ring gear (11), main pivot (12), bearing frame (13), hand wheel (14), mounting box (15), worm wheel (16), worm (17) and gear (120), install gear (120) on main pivot (12), the one end of main pivot (12) is provided with bearing frame (13), the other end of main pivot (12) is connected with mounting box (15) through the bearing, be provided with worm (17) through the bearing in mounting box (15), the other end and worm wheel (16) coaxial coupling of main pivot (12), worm (17) and worm wheel (16) meshing, worm (17) establish with hand wheel (14) and be connected.

2. The lifting structure of a bed backboard according to claim 1, wherein: the novel automatic mounting device is characterized by further comprising a first bevel gear (18) and a second bevel gear (19), wherein the second bevel gear (19) is arranged in the mounting box (15) through a rotating shaft, the first bevel gear (18) is coaxially connected with the worm (17), the first bevel gear (18) is meshed with the second bevel gear (19), and the hand wheel (14) is coaxially connected with the second bevel gear (19).

3. The lifting structure of a bed backboard according to claim 1, wherein: the bed body fixed plate (3) is fixedly arranged on one side of the bed plate frame (4), the bed body backboard (2) is arranged on the other side of the bed plate frame (4), the bed plate frame (4) is hinged with the bed body backboard (2) through the small rotating shaft (5), one end of the half toothed ring (11) is connected with the bed body backboard (2), and the mounting box (15) and the bearing seat (13) are connected with the bed plate frame (4).

4. A lifting structure of a bed back plate according to claim 3, wherein: the half-toothed ring (11) and the small rotating shaft (5) are coaxially arranged.

5. The lifting structure of a bed back plate according to claim 1 or 4, wherein: the half-toothed ring (11) is a 180-degree toothed ring.