WO2015014258A1

WO2015014258A1 - Height adjustable-type supporting device

Info

Publication number: WO2015014258A1
Application number: PCT/CN2014/083166
Authority: WO
Inventors: 陈映青; 陈国治
Original assignee: Chen Yingqing; Chen Guozhi
Priority date: 2013-07-31
Filing date: 2014-07-28
Publication date: 2015-02-05
Also published as: CN103350654A; CN103350654B

Abstract

A height adjustable-type supporting device is characterized in that the device comprises a base (1), a supporting platform (2) and a lifting supporting mechanism (3) connected between the base (1) and the supporting platform (2). Guide locating pieces (4, 5) movably connected with the lifting support mechanism (3) are provided on the base (1) and the supporting platform (2) respectively. The present invention is simple in structure and convenient to use and has good popularization value.

Description

Height-adjustable support device

Technical field

The invention relates to the technical field of supporting devices, and more particularly to an adjustable height supporting device which can be used in the fields of airplanes, ships, automobiles and the like.

Background technique

In modern life, people become frequent visitors to long-haul aircraft due to the increase in business trips and tourism. The existing aircraft cabin (except First Class) can only provide the only way to sleep - leaning back and sleeping. In the prior art, the pillow structure matched with the sleep mode is many, and is fixed on the seat, and the activity is sleeved on the neck of the human body. For example, the Chinese Patent Publication No. CN1068786A, the invention name is a travel pillow, which is composed of a sleeping pillow supporting the head side and a fixing frame for fixing the sleeping pillow. This type of travel pillow can provide lateral support for the passenger's head, making the passengers happy and comfortable, easy to fall asleep, and reducing the fatigue of the journey. Another example is the Chinese patent publication number CN202320786U, the invention is a multi-functional lumbar neck pillow device for an aircraft cabin seat, which mainly comprises a pillow portion, a connecting portion, a sliding rail portion and a fixing portion, and the pillow portion is slipped through the connecting portion. The block is connected with the sliding rail portion of the back of the chair to move up and down. The passenger can adjust the locking pad in the sliding rail portion through the knob on the side of the back of the seat to fix the position of the pillow. The sliding portion can be fixed to the back bracket through the fixing portion. on. This patented structure adds a pillow to the traditional aircraft cabin seat. The passenger can adjust the pillow to the lumbar or neck pillow according to individual needs, and adjust the pillow to a comfortable position according to his height. However, from a scientific point of view, it has certain harm, because when lying on the back, the tongue is easy to fall, causing poor breathing, easy to snoring, and the hand is easy to put on the chest to press the chest, causing nightmares, especially women. It is easy to produce discomfort such as backache and lower abdomen. In contrast, drowsiness can relax the whole body muscles, help to improve the quality of sleep, increase the frequency of breathing, and help the lung function to fully play, thus giving the brain more adequate. Oxygen. To this end, how to provide a pillow structure that can support sleepiness has become a subject worthy of discussion.

technical problem

The object of the present invention is to provide an adjustable height support device which is simple in structure and can provide a passenger with different heights to sleep comfortably and effectively improve the sleep quality of long-distance travel.

Technical solution

The present invention achieves the above object by adopting the following technical solution: it is to add a lifting platform on the dining table support in front of the passenger seat, and the supporting device of the lifting and lowering support device in the stowed state It is on the same level as the table support, which does not affect the function of the table and the passengers have the option to sleep and rest.

The adjustable height support device is characterized in that it comprises a base, a support platform and a lifting support mechanism connected between the base and the support platform, and the base and the support platform are respectively provided with a lifting support mechanism Guided positioning piece for the active connection.

As further illustrated by the above solution, the guiding positioning member on the supporting platform comprises two mutually parallel platform guiding grooves provided with racks; the guiding positioning members of the base comprise two oppositely designed guiding grooves disposed on the inner side of the base.

The lifting support mechanism includes an X-shaped bracket formed by a first hinge member, a second hinge member and a hinge shaft connected between the first hinge member and the second hinge member; an upper end of the first hinge member and a support platform Hinged, the lower end of the second hinge is hinged to the base; the upper end of the second hinge is provided with a sliding member that is slidably engaged with the platform guide groove of the support platform and is engaged with the rack; the lower end of the first hinge is disposed There is a sliding member 2 which is slidably engaged with the guide groove on the inner side of the base.

The sliding member is a circular pin fixed to the upper side of the second hinge.

The sliding member of the lower end of the first hinge member is an elliptical slider, and the elliptical slider has an interference fit with the upper and lower ends of the guide groove. When the support platform is in the stowed state, the long axis and the guide of the elliptical slider The width direction of the groove is at an angle of 15-30 degrees; the contact surface of the elliptical slider and the guide groove is constantly changing during the descending process of the support platform, and when the closed state is reached, the long axis of the elliptical slider is turned to In the width direction of the corresponding guide groove, the elliptical slider and the upper and lower ends of the guide groove have a slight interference fit, thereby generating a large friction force. At this time, the support platform is pressed downward to restore the plane position, and the position is reached. Stable stowed state.

The elliptical slider is an elliptical pin fixed to the lower side of the first hinge.

The lower end of the second hinge member is provided with a lower beam, and the base surface is provided with a base hinged card seat hinged with the lower beam; the upper end of the first hinge member is provided with an upper beam, and the back surface of the support platform is provided with a hinged joint with the upper beam Positioning seat.

The distance between the base hinge deck and the base end is (1-3)/10 base length, and the positioning seat of the support platform and the base hinge deck are in the same vertical plane position, such a design can improve the bearing The balance between the left and right ends of the platform is achieved, and the stability of the mechanism is achieved, and the upper limit of the load is increased.

The support platform has a rectangular shape and four sides are folded downwards 20- 25mm, the long folded edge is folded inward again by 5-10mm to form the platform guide groove.

The base has a rectangular shape and is smaller in size than the support platform. In order to buckle in the support platform, the long edge extends vertically upwards, and is horizontally folded into the guide groove inwardly, and functions as a limit.

The middle portion of the first hinge member and the second hinge member are respectively provided with a sleeve and a round pin which are connected with the hinge shaft. The two ends of the hinge shaft are respectively provided with positioning portions, the first hinge member and the second hinge member. The sleeve is sleeved on the hinge shaft and is press-fitted with the positioning portion. The outer side of the second hinge member is provided with a fastener to lock the first hinge member and the second hinge member on the hinge shaft.

The surface of the supporting platform is provided with an elliptical venting hole, and the edge of the hole is horn-shaped upward, which can improve the comfort of the user's face contact.

When the pillow is closed, the rest of the structure of the table is in the same plane position. When enabled, the two ends of the user's support platform are pulled up at both ends of the support platform. During the pulling process, the pins on the second hinge are slid under the guide rack structure. When the height is reached, the lower pressure is pressed down. The support platform is fixed at a certain point of the guide rack structure, and the support platform is locked by itself. At this time, the elliptical vent hole is close to the chest of the user, that is, as a squat pillow; when the use is finished, only the support platform is lifted. Slowly lowering it. When the closed state is reached, the long axis of the elliptical pin is turned to the width direction of the corresponding guide groove of the base, and the pin and the upper and lower ends of the guide groove have a slight interference fit, thereby generating a large friction force. When the support platform is pressed down, the plane position can be restored, and the stable stowed state is achieved, and the pillow function is disabled.

Beneficial effect

The beneficial effects that the present invention can achieve by using the above technical solutions are:

1. The invention is an adjustable height pillow structure, which increases the user's sleep mode, so that passengers of different heights can sleep comfortably and effectively improve the sleep quality of long-distance travel.

2. The sliding member of the lower end of the first hinge member of the X-shaped bracket of the lifting support mechanism of the present invention is an elliptical slider, and the elliptical slider is interference-fitted with the upper and lower ends of the guiding groove, so that the supporting platform is in the descending process. When the closed state is reached, since the elliptical slider swings with the first hinge member, the long axis thereof is turned to the corresponding guide groove width direction, and the elliptical slider has an interference fit with the upper and lower ends of the guide groove, thereby generating a comparison. Large friction force, at this time, it is necessary to press the support platform downwards to restore the plane position and achieve a stable stowed state. The design structure is very simple, but it can be realized by the prior art through the pressure cylinder and the like. The function is technically significant.

DRAWINGS

Figure 1 is a schematic view of the structure of the present invention;

Figure 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic view showing a state in which the elliptical slider and the sliding groove of the base are matched when the supporting platform of the present invention is at different heights.

DESCRIPTION OF REFERENCE NUMERALS: 1, base 2, support platform 2-1, positioning seat 3, lifting support mechanism 3-1, first hinge 3-11, sliding member 2 3-12, upper beam 3-2, second hinge member 3-21, sliding member 3-22, lower beam 4, guiding positioning member 4-1, rack 4-2, platform Guide groove 5, guiding positioning member 5-1, 5-2, guide groove 5-3, base hinge deck 6, elliptical venting hole 7, table support.

BEST MODE FOR CARRYING OUT THE INVENTION

The technical solutions of the present invention are further described in detail below in conjunction with specific embodiments.

As shown in FIG. 1 and FIG. 2, it is an adjustable height supporting device used on a dining table pallet 7 in front of a passenger seat of an aircraft, a ship, an automobile, etc., and the adjustable height supporting device In the stowed state, the support surface is on the same level as the table support. The utility model comprises a base 1, a supporting platform 2 and a lifting support mechanism 3 connected between the base and the supporting platform. The supporting platform 2 is provided with a guiding positioning member 4 movably connected with an upper portion of the lifting supporting mechanism, and the base 1 is provided with A guide positioning member 5 movably connected to a lower portion of the lifting support mechanism. The guide positioning member 4 on the support platform 2 comprises two mutually parallel platform guides 4-2 provided with racks 4-1. The shape of the support platform 2 is a rectangle, and the length of the embodiment is 410. Mm, 160mm wide plate, supporting the four sides of the platform to the bottom edge 22 Mm, the long folded edge is folded inward by 8mm, forming the platform guide groove 4-2 on each side of the two sides, which acts as a limit position, and has a rack structure on the inner side of the long folded side, the rack 4-1 and The platform guide groove 4-2 is connected to enable the upper portion of the lifting support mechanism to be engaged with the rack structure when sliding in the platform guide groove. The base 1 has a rectangular shape and is smaller than the support platform. In order to buckle in the support platform, the long edge extends vertically upwards, and is horizontally folded into guide grooves 1-1, 1-2 inwardly, and functions as a limit. The lifting support mechanism 3 includes an X-shaped bracket composed of a first hinge member 3-1, a second hinge member 3-2, and a hinge shaft 3-3 connected between the first hinge member and the second hinge member; The upper end of the hinge is hinged with the support platform, and the lower end of the second hinge is hinged with the base; the upper end of the second hinge 3-2 is provided with a sliding fit with the platform guide groove of the support platform and is engaged with the rack movable The sliding member 3-21; the lower end of the first hinge member is provided with a sliding member 2-11 which is slidably engaged with the guiding groove on the inner side of the base. The lower end of the second hinge member is provided with a lower cross member 3-22, and the base surface is provided with a base hinged card holder 5-3 hinged to the lower cross member; the distance L between the base hinged card holder 5-3 and the base end portion is 1/10 base length, the positioning seat of the supporting platform and the base hinged card seat are in the same vertical plane position. This design can improve the balance between the left and right ends of the supporting platform, achieve the stability of the mechanism and increase the upper limit of the load. The upper end of the first hinge member 3-1 is provided with an upper beam 3-12, and the back surface of the support platform is provided with a positioning seat 2-1 hinged to the upper beam. An elliptical venting opening 6 is opened at a lower position in the middle of the supporting platform to provide a gas permeable effect.

The middle portion of the first hinge member and the second hinge member are respectively provided with a sleeve and a round pin which are connected with the hinge shaft, and the two ends of the hinge shaft are respectively provided with positioning portions, the shafts of the first hinge member and the second hinge member The sleeve is sleeved on the hinge shaft and is press-fitted with the positioning portion. The outer side of the second hinge member is provided with a fastener to lock the first hinge member and the second hinge member on the hinge shaft.

In this embodiment, the sliding member 3-21 is a circular pin fixed to the upper side of the second hinge member 3-2. The sliders 3-11 of the lower end of the first hinge member 3-1 are elliptical sliders. In general, the elliptical slider is an elliptical pin fixed to the lower side of the first hinge member. The elliptical slider has an interference fit with the upper and lower ends of the guide groove, and the long axis of the elliptical slider is at an acute angle to the axial direction of the first hinge. The following is a table of the tolerances of the elliptical slider and the guide groove when the elliptical slider forms different angles with the width direction of the guide groove at different positions in the guide groove:

Table 1

Angle---------- ---- a1=-30°----- a2=-18°--- a3=0 -------a4=18° ----a5=25°

Tolerance fit state--- clearance fit- clearance fit-interference fit-- clearance fit-- clearance fit

Referring to FIG. 3 and Table 1, the contact surface of the elliptical slider and the guide groove is constantly changing during the descending process of the support platform, and when the closed state is reached, the long axis of the elliptical slider is turned to the corresponding guide groove width. In the direction, the elliptical slider and the upper and lower ends of the guide groove have a slight interference fit, thereby generating a large friction force. At this time, the support platform is pressed downward to restore the plane position, and the stable stowed state is achieved. When the support platform is in the stowed state, the long axis of the elliptical slider is at an angle of 25 degrees with the width direction of the guide groove. At this time, due to the clearance of the elliptical slider and the guide groove, the friction is small, and if the lifting is to be promoted When the platform is supported, the support platform can be quickly lifted without much effort.

The above description is only a preferred embodiment of the present invention. It should be noted that the technical solution can be directly placed on the ground and applied to a table, a chair or a desk as needed in addition to being used on a dining table tray. For the purpose of sleep, it is possible for those skilled in the art to make various modifications and improvements without departing from the spirit and scope of the invention.

Claims

An adjustable height support device, comprising: a base, a support platform and a lifting support mechanism connected between the base and the support platform, wherein the base and the support platform are respectively provided with an activity of the lifting support mechanism Connected guides.
A height-adjustable support device according to claim 1, wherein the guide positioning member on the support platform comprises two mutually parallel platform guide grooves provided with racks; the guide positioning members of the base Includes two oppositely designed guide slots on the inside of the base.
The height-adjustable support device according to claim 2, wherein the lifting support mechanism comprises a first hinge member, a second hinge member, and a first hinge member and a second hinge member. An X-shaped bracket formed by the hinge shaft; the upper end of the first hinge member is hinged to the support platform, and the lower end of the second hinge member is hinged to the base; the upper end of the second hinge member is provided with sliding with the platform guide groove of the support platform a sliding member that cooperates with and engages with the rack movement; the lower end of the first hinge member is provided with a sliding member 2 that is slidingly engaged with the guiding groove on the inner side of the base.
The height-adjustable support device according to claim 3, wherein the sliding member is a circular pin fixed to the upper side of the second hinge member.
The height-adjustable support device according to claim 3, wherein the sliding member of the lower end of the first hinge member is an elliptical slider, and the elliptical slider is interspersed with the upper and lower ends of the guide groove. Cooperating, when the support platform is in the stowed state, the long axis of the elliptical slider is at an angle of 15-30 degrees with the width direction of the guide groove.
The height-adjustable support device according to claim 5, wherein the elliptical slider is an elliptical pin fixed to a lower side of the first hinge.
The height-adjustable support device according to claim 3, wherein the lower end of the second hinge member is provided with a lower beam, and the base surface is provided with a base hinged card seat hinged to the lower beam; The upper end of the hinge member is provided with an upper beam, and the back surface of the support platform is provided with a positioning seat hinged to the upper beam.
The height-adjustable support device according to claim 7, wherein the distance between the base hinge deck and the base end is (1-3)/10 base length.
The height-adjustable support device according to claim 2, wherein the support platform has a rectangular shape and four sides are folded downwards 20- 25mm, the long folded edge is further folded inward by 5-10mm to form the platform guide groove; the long edge of the base extends vertically upwards and is horizontally folded into the guide groove inward.
The adjustable height support device according to claim 1, wherein the base has a rectangular shape and is smaller in size than the support platform, and is movably fastened in the support platform.
The height-adjustable support device according to claim 3, wherein the middle portion of the first hinge member and the second hinge member are respectively provided with a sleeve and a round pin which are connected with the hinge shaft. The two ends of the hinge shaft 1 are respectively provided with positioning portions, and the sleeves of the first hinge member and the second hinge member are sequentially sleeved on the hinge shaft and are press-fitted with the positioning portion, and the outer side of the second hinge member is provided with fastening The piece locks the first hinge member and the second hinge member on the hinge shaft.
The height-adjustable support device according to claim 1, wherein the surface of the support platform is provided with an elliptical venting hole, and the edge of the hole is flared upward.
The height-adjustable support device according to any one of claims 1 to 12, characterized in that it is provided with a height-adjustable support device on the table support plate in front of the passenger seat for the passenger to rest and rest .
A height-adjustable support device according to claim 13, wherein the supportable surface of the support platform is in the same state as the support plate of the support platform in the stowed state Horizontal surface.
A height-adjustable support device according to any one of claims 1 to 12, wherein the support device is applied to a table, a chair or a desk for sleepiness.