CN109009795A - Folding sits station auxiliary device - Google Patents

Abstract

The invention provides a foldable sit-stand auxiliary device. The invention comprises: an upper seat body, a lower seat body and a handle, one end of the upper seat body and the lower seat body is hinged through a pin shaft, a fixed block groove is provided inside the upper seat body, and a sliding slide is provided inside the lower seat body. The fixed block is placed in the fixed block channel of the upper seat body, the air pressure rod, support rod and slider are placed in the slide channel channel of the lower seat body, and the telescopic rod end of the air pressure rod is fixedly connected with the slider. The other end is fixedly connected with the lower seat body, the slider is connected with one end of the support rod through the pin shaft, the other end of the support rod is connected with the fixed block through the pin shaft, the handle bottom plate is fixed on both sides of the lower seat body body, and the handle base is fixed On the bottom plate of the handle, one end of the bent rod of the handle is connected to the bottom plate of the handle through a pin shaft. The invention has the advantages of simple structure, convenient use and strong practicability, meets the humanized use requirements of the elderly and medical needs groups, and can be widely popularized in the technical field of rehabilitation equipment.

Description

Foldable sit-stand aid

technical field

The invention relates to the technical field of rehabilitation equipment, in particular to a foldable sit-to-stand auxiliary device.

Background technique

The knee joint is the largest, most complete and most complex joint in the human body, and it is also the most important "weight-bearing joint" of the lower limbs of the human body. When standing or walking on a flat road, the inner cartilage of the knee bears an average of 1/2 to 1 times the pressure of body weight. The load of going up and down stairs increases accordingly. With the continuous development of society and the increase of the proportion of the elderly population, the phenomenon of aging is becoming more and more serious. The elderly, pregnant women and disabled people with weak legs and feet are prone to suddenly lose strength in the process of sitting and standing, which is harmful to the joints, waist and legs. cause damage. In addition, the above group and post-operative patients can independently get up, walk and go to bed during toilet use, but they cannot independently complete the squatting and standing movements on the toilet, so they need assistance from one person to go to the toilet. Very inconvenient.

Most of the existing rehabilitation equipment is an auxiliary device integrated with a toilet or chair, which is inconvenient to carry and move, and most of the power sources are springs and motors. People are injured or panic in use; the seat circle is straight up and down, without angle, which is not suitable for people with joint injuries, and the existing small auxiliary device has no handle, and cannot provide auxiliary support for the arm, and it is used in conjunction with the toilet Unsafe; devices with handles also have the defect that they cannot be folded, which may give users a sense of space pressure.

Contents of the invention

According to the above-mentioned technical problems that the elderly and pregnant women are prone to accidents when standing and sitting, an auxiliary mechanical device for sitting and standing with a simple structure and easy to use is provided.

The technical means adopted in the present invention are as follows:

A foldable sit-to-stand auxiliary device, comprising: an upper seat body, a lower seat body and a handle, one end of the upper seat body and the lower seat body is hinged by a pin, and the upper seat body is provided with a The fixed block channel, the slide channel channel is set inside the lower seat body, the fixed block is placed in the fixed block channel of the upper seat body, the air pressure rod, the support rod and the slider are placed in the slide channel channel of the lower seat body, The telescoping rod end of the air pressure rod is fixedly connected with the slider, and the other end is fixedly connected with the lower seat body, the slider is connected with one end of the support rod through a pin, and the other end of the support rod is connected with a pin Connected with the fixed block, the handle includes a handle bottom plate, a handle base and a handle bent rod, the handle bottom plate is fixed on both sides of the lower seat body, and the handle base is fixed on the handle bottom plate , one end of the handle bending rod is connected to the handle bottom plate through a pin shaft.

Further, the air pressure rod is provided with a limit block and a limit port for adjusting the initial angle and height.

Further, two slideway channels are arranged symmetrically inside the lower seat body.

Further, there are two air pressure rods in each slide channel.

Further, the bottom of the lower seat body is provided with hard rubber.

Further, the rotation angle of the handle bending rod in the sagittal plane is between 0° and 90° relative to the vertical ground direction.

Further, there is an opening in the middle of the hinged side of the upper seat body and the lower seat body, and the opening extends inwards into a U-shaped bend that conforms to the ergonomics of the human buttocks.

Further, each corner of the upper seat body and the lower seat body and the opening are rounded.

Compared with the prior art, the handle of the present invention is foldable and driven by air pressure, which is safer and more stable to use, has a simple structure, is convenient to manufacture and use, has strong practicability, and meets the humanized use needs of the elderly and medical needs. The design of this device can not only be applied to ordinary seats, but also can be used with toilets, so the upper and lower seats are designed according to the size and shape of the toilet, and when used with ordinary seats, the concave part of the device There are certain rounded corners and the fully closed height of the device itself is only about 40mm. According to ergonomics, it is more comfortable to use when closed for a long time.

This device is mainly used to help pregnant women and disabled people with weak legs and feet to support them when sitting and standing, and to provide enough time for the user's muscles to stretch gently when sitting down, and to prevent them from suddenly losing strength during the sitting process. When it is used, it will cause damage to the joints, waist and legs, and when it is necessary to wipe the buttocks, it can provide certain support for the convenience of pregnant women and the disabled. For the standing phase, the human body is supported to reduce the force on the legs and feet. It can bring convenience and confidence in life to pregnant women and the disabled.

Based on the above reasons, the present invention can be widely promoted in the technical field of rehabilitation equipment.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic structural view of the device in Example 1 of the present invention in the direction of the open axis.

Fig. 2 is a schematic diagram of the structure of the device in Embodiment 1 of the present invention when it is opened in the front view direction.

FIG. 3 is a schematic view of the structure of the device in Example 1 of the present invention in a plan view direction.

Fig. 4 is a schematic structural view of the device in Example 1 of the present invention in the direction of opening and looking up.

Fig. 5 is a schematic diagram of the structure of the device in Example 1 of the present invention when it is opened and viewed from the left.

Fig. 6 is a schematic diagram of the structure of the device in Embodiment 1 of the present invention in the right view direction.

Fig. 7 is a schematic diagram of the structure of the device in Example 1 of the present invention when it is opened and viewed from the rear view direction.

Fig. 8 is a structural schematic view of the bottom seat of the device in the first embodiment of the present invention in a top view direction.

Fig. 9 is a schematic view of the structure in the axial direction of the lower seat of the device in Embodiment 1 of the present invention.

Fig. 10 is a schematic view of the structure in the top view direction of the upper seat of the device in Embodiment 1 of the present invention.

In the figure: 1. Handle bending rod, 2. Upper seat body, 3. Slideway groove, 4. Support rod, 5. Handle bottom plate, 6 pins, 7. Slider, 8. Air pressure rod, 9. Lower seat Board body, 10, handle base.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that the terminology used here is only for describing specific embodiments, and is not intended to limit exemplary embodiments according to the present invention. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

The relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. At the same time, it should be clear that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Techniques, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the authorized description. In all examples shown and discussed herein, any specific values should be construed as exemplary only, and not as limitations. Therefore, other examples of the exemplary embodiment may have different values. It should be noted that like numerals and letters denote like items in the following figures, therefore, once an item is defined in one figure, it does not require further discussion in subsequent figures.

In the description of the present invention, it should be understood that orientation words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. indicate the orientation Or positional relationship is generally based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description. In the absence of a contrary description, these orientation words do not indicate or imply the device or element referred to. It must have a specific orientation or be constructed and operated in a specific orientation, so it should not be construed as limiting the scope of the present invention: the orientation words "inside and outside" refer to inside and outside relative to the outline of each part itself.

For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as "above" or "above" other devices or configurations would then be oriented "beneath" or "above" the other devices or configurations. its underlying device or construction". Thus, the exemplary term "above" can encompass both an orientation of "above" and "beneath". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

As shown in Figures 1-10, the present invention provides a foldable sit-to-stand auxiliary device, comprising: an upper seat body 2, a lower seat body 9 and a handle, the upper seat body 1 and the lower seat body One end of 9 is hinged by a pin shaft, the upper seat body 2 is provided with a fixed block channel, the lower seat body 9 is provided with a slideway channel, the fixed block is placed in the fixed block channel of the upper seat body 2, and the air pressure rod , the support rod and the slider are placed in the slide channel channel 3 of the lower seat body, the telescopic rod end of the air pressure rod 8 is fixedly connected with the slider 7, and the other end is fixedly connected with the lower seat body 9, so The slider 7 is connected to one end of the support rod 4 through a pin shaft, and the other end of the support rod 4 is connected to the fixed block through a pin shaft. The handle includes a handle bottom plate 5, a handle base 10 and a handle bend rod 1, The handle bottom plate 5 is affixed to both sides of the lower seat body 9, the handle base 10 is affixed to the handle bottom plate 5, and one end of the handle bending rod 1 is connected to the handle through a pin on the base plate 5.

The 8 parts of the air pressure rod are equipped with a limit block and a limit port, which can adjust the length of the maximum elongation of the air pressure rod, and are used to adjust the initial angle and height so that the device can be applied to people of various heights.

Two slide channels 3 are arranged symmetrically inside the lower seat body 9 . In order to ensure the smooth movement of the slide block 7, there are two air pressure rods 8 in each slide channel channel 3 . That is, the whole device has adopted four air pressure rods 8 .

The bottom of the slider 7 is matched with the slideway channel 3 with a small gap to ensure that the slider 7 moves along a fixed direction.

The bottom of the lower seat body 9 is provided with hard rubber. The raised dot-shaped rubber on the surface can make the device and the toilet more compact, and at the same time increase the friction, making the use safer.

The rotation angle of the handle bending rod 1 in the sagittal plane is between 0° and 90° relative to the vertical ground direction. When the handle curved rod 1 is perpendicular to the handle bottom plate 5, the handle curved rod 1 bears the force in the vertical direction so it will not rotate, which can ensure the safety of use.

In order to cooperate with the toilet, an opening is provided in the middle of the hinged side of the upper seat body 2 and the lower seat body 9, and the opening extends to the inside to form a U-shaped curve that conforms to the ergonomics of human buttocks.

In order to prevent the corners from being scratched, the corners of the upper seat body 2 and the lower seat body 9 and the openings are rounded.

Concrete working principle of the present invention is as follows:

Sit down stage:

The user puts the device on a normal seat or toilet, and pulls the handle curved rod 1. Since the handle curved rod 1 is fixedly connected with the pin 6 to drive the pin 6 to rotate, the pin 6 and the handle base 10 are connected by a pin shaft, so The handle bending rod 1 can be rotated on a fixed plane, and the handle bending rod 1 is pulled up until the handle bending rod 1 is perpendicular to the lower floor body 9; the person stands in front of the device so that the device fits the human buttocks, and the person holding the handle slowly Sit down, because the gravity of the person pushes the slider 7 to slide along the slideway channel 3, because the slider 7 is fixedly connected with the air pressure rod 8, so the movement of the slider 7 can drive the air pressure rod 8 to elongate, and the air pressure rod 8 is partially installed. The block and the limit port can adjust the length of the maximum elongation of the air pressure rod 8, which is used to adjust the initial angle and height so that the device can be applied to people of various heights. Since the elongation speed of the air pressure rod 8 is lower than the speed at which a person sits down, it can provide certain support to the human body. Since the slider 7 is connected with the support rod 4 in the form of a pin shaft, it can drive the support rod 4 to rotate accordingly. The fixed block connected by the upper part with the pin shaft is fixedly connected with the upper seat body 2, which can drive the upper seat body 2 connected with the lower seat body 9 with a pin to rotate, so that the upper seat body 2 and the lower seat body 9 parts Snug fit; body sits completely.

Standing phase:

The hand handle bending rod 1; the air pressure rod 8 shrinks to drive the slider 7 and at the same time drives the support rod 4 to rotate clockwise to generate force and push the human body to stand upright; pull the handle bending rod 1 to its original position.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (8)

1. a kind of folding sits station auxiliary device characterized by comprising upper seat plate ontology, lower seat plate ontology and handle, institute It states seat plate ontology and one end of lower seat plate ontology is hinged by pin shaft, the upper seat plate body interior opens up fixed block conduit, Lower seat plate body interior opens up slideway conduit, and fixed block is placed in the fixed block conduit of seat plate ontology, atmospheric pressure pole, support rod and Sliding block is placed in the slideway conduit of lower seat plate ontology, and the flexible rod end of the atmospheric pressure pole is fixedly connected with the sliding block, the other end It is fixedly connected with lower seat plate ontology, the sliding block is connected by pin shaft with described support rod one end, and the support rod other end is logical It crosses pin shaft to be connected with the fixed block, the handle includes handle base panel, handle base and handle curved bar, and the handle base panel is solid The two sides of the lower seat plate ontology are connected to, the handle base is fixed in the handle base panel, one end of the handle curved bar It is connected in the handle base panel by pin shaft.

2. folding according to claim 1 sits station auxiliary device, which is characterized in that the atmospheric pressure pole is equipped with for adjusting Save the limited block and limited mouth of initial angle and height.

3. folding according to claim 1 sits station auxiliary device, which is characterized in that the lower seat plate body interior pair Claim to lay two slideway conduits.

4. folding according to claim 3 sits station auxiliary device, which is characterized in that the air pressure in each slideway conduit Bar is two.

5. folding according to claim 1 sits station auxiliary device, which is characterized in that the bottom of the lower seat plate ontology Equipped with vulcanie.

6. folding according to claim 1 sits station auxiliary device, which is characterized in that the handle curved bar is in sagittal plane The angle of interior rotation is between 0 °~90 ° relative to direction perpendicular to the ground.

7. folding according to claim 1 sits station auxiliary device, which is characterized in that the upper seat plate ontology and lower seat The hinged middle side part of plate ontology is equipped with opening, and opening extends inward to meet the analog-U shaped curved of human buttock's engineering science.

8. folding according to claim 7 sits station auxiliary device, which is characterized in that the upper seat plate ontology and lower seat Each angle of plate ontology and the opening do round corner treatment.