CN110558722B

CN110558722B - Folding dual-purpose device for fixing buttocks and thigh by pressing

Info

Publication number: CN110558722B
Application number: CN201910980599.2A
Authority: CN
Inventors: 刘成; 仇涛; 马天龙; 肖宇豪; 黄琳
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2024-03-26
Anticipated expiration: 2039-10-15
Also published as: CN110558722A

Abstract

The invention discloses a foldable table and chair dual-purpose device for pressing and fixing the buttocks and thighs, which includes a panel, a support rod I, a support rod II, a hip pressure plate, etc. A shaft protrudes from the center of the top surface on the right side of the panel. A panel adjuster is installed on the rod. The panel is connected to the connecting piece I through the shaft rod and the panel adjuster. The right end of the connecting piece I is connected to the supporting rod I in the vertical direction through the vertical adjusting shaft I. The lower end of the supporting rod I passes through The lateral adjustment shaft is connected to the connector II. The lower end of the connector II is connected to the support rod II through the vertical adjustment shaft. The bottom end of the support rod II is hinged to the right end of the hip pressure plate through a self-locking hinge; the hip-femoral pressure fixation used in this patent The mode and panel are adjustable at multiple angles and positions, and can be quickly unfolded and folded. It is small and easy to carry. The panel can be used as a seat back when tilted backwards, providing people with a lightweight, portable and comfortable chair that is suitable for more application scenarios. The dual-purpose device of desk and chair can meet the needs of temporary writing, working and resting.

Description

Folding dual-purpose device for fixing buttocks and thigh by pressing

Technical Field

The invention relates to a foldable table and chair dual-purpose device, in particular to a table and chair dual-purpose device for pressing and fixing buttocks and thighs.

Technical Field

In modern work and life, the situation that temporary office work needs to be performed under the condition that no desk is provided and the situation that no seat backrest can be used for leaning and resting is often encountered, people can put books and computers on thigh surfaces to bend down for writing operation or bend waist back for resting under the general condition, and serious discomfort can be generated and threat is caused to the health of people when the people bend down and press the thigh surfaces for a long time.

Currently, there are many patents for folding tables and portable tables that serve to reduce the floor area of the table and facilitate handling by receiving the legs. As in chinese patent No. 201410577973.1, a "portable folding table" is disclosed, in which folding and unfolding of the table board are achieved by folding and unfolding of the legs, so as to achieve the folding and portable functions of the table. As another example, chinese patent No. 201910364174.9 discloses a multifunctional folding table and chair, which is folded by a table and a chair through connection of a movable part, so as to realize folding of the table and chair and function conversion between the table and chair. However, these patents have the disadvantages of large volume, heavy weight, inconvenient carrying, complicated storage, and need of being matched with a stool for use.

Therefore, it is necessary to design a light portable and comfortable dual-purpose device for desk and chair to meet the temporary demands of people for writing and resting.

Disclosure of Invention

The technical scheme for solving the problems is as follows: the utility model provides a buttock thigh is exerted pressure and is fixed folding dual-purpose device of table chair adopts thigh or buttock to push down the buttock clamp plate of desk below and guarantees that the desk is stable, opens the panel through unilateral supporting rod and realizes the function of desk, can realize quick expansion and folding to the volume is less can be adorned into schoolbag, handbag, can also use with chair, sofa and bed cooperation, and also possess complete desk function when directly sitting on ground alone, and the panel leans back and places behind the human body, still can regard as the seat back of rest usefulness in order to solve above-mentioned problem.

The invention provides a folding table and chair dual-purpose device for pressing and fixing buttocks and thighs, which comprises a panel, a supporting rod I, a supporting rod II, a buttocks pressing plate and the like, and is characterized in that: the center of the top surface of the right side of the panel extends out of a shaft rod, a panel regulator is arranged on the shaft rod, the panel is connected with a connecting piece I through the shaft rod and the panel regulator, the panel can rotate 360 degrees around the shaft rod, and the panel regulator is used for regulating and fixing the panel; the right end of the connecting piece I is connected with a supporting rod I in the vertical direction through a vertical adjusting shaft I; the lower end of the supporting rod I is connected with the connecting piece II through a transverse adjusting shaft, the lower end of the connecting piece II is connected with the supporting rod II through a vertical adjusting shaft, and the bottom end of the supporting rod II is hinged with the right end of the hip pressing plate through a self-locking hinge.

Further, the panel regulator comprises a pull rod, a spring and a latch, wherein the latch is sleeved on the shaft rod and is fixed to form a rotating structure with the shaft rod, the spring is sleeved on the middle rod of the pull rod, the upper end of the spring is fixed to the upper portion of the connecting piece I, the lower end of the spring is fixed to the lower portion of the middle rod of the pull rod, and a tooth groove at the lower end of the pull rod can be meshed with the upper portion of the latch under the acting force of the spring so as to limit the rotation of the shaft rod and the latch, and further limit the rotation of the panel. The teeth at the lower end of the pull rod and the teeth at the upper part of the latch can be separated from each other by pulling the pull rod upwards, and the rotating structure formed by the shaft rod and the latch can rotate freely, so that the panel can rotate freely to adjust a proper angle.

Further, the upper surface of the hip pressing plate is provided with a soft cushion, so that comfort of sitting and pressing of the buttocks and the thighs can be improved, the two sides of the lower surface are provided with rubber pads, friction force between the hip pressing plate and a supporting surface can be increased, sliding is reduced, the right end of the upper surface of the hip pressing plate is hinged with a vertical supporting rod II through a self-locking hinge, and the hip pressing plate and the supporting rod II can be fixed at an angle of 90 degrees after being unfolded. The self-locking hinge is a hinge which can be conveniently obtained in the market, can be automatically fixed at a certain angle after being unfolded, and can be refolded by pressing a spring key on the hinge.

Further, torque adjusting nuts are arranged on the vertical adjusting shaft I, the vertical adjusting shaft II and the transverse adjusting shaft, and the rotating shafts can be fixed and loosened through adjusting the torque adjusting nuts, so that the angle positions of all the components are adjusted.

Further, the middle parts of the supporting rods I and II are hollowed, so that the weight is reduced, and the portability of the device is further improved.

Advantageous effects

The invention relates to a folding dual-purpose device for fixing a table and a chair by pressing buttocks and thighs, wherein a panel is supported by a single-side supporting rod and a buttock pressing plate at the lower part to realize the function of the table, the buttock pressing plate is placed on a support, the stability of the device is ensured by applying pressure to thighs or buttocks, and the support can be a chair, a sofa, a bed, a floor, a ground, a lawn and the like for sitting at a rest place. When the folding device is folded, the panel is only required to be adjusted horizontally, the position of the supporting rod is adjusted to keep vertical, the self-locking hinge is released to lift the hip pressing plate, and finally the panel is turned to the supporting rod to complete the folding, so that the operation is rapid and simple. The device occupies small volume when folded, can be placed in a schoolbag and a handbag to be carried about and can be taken out at any time to be unfolded for use. The panel of the device can be adjusted in angle and position according to personal comfort, people do not need to bend down and not press leg surfaces when writing and operating a computer on the device, a light portable and comfortable table can be provided for people to meet the temporary writing and office requirements, and the panel is obliquely arranged behind a human body and can be used as a seat back for rest.

Description of the drawings:

fig. 1 is a schematic diagram of a front view structure of the present invention.

Fig. 2 is a right side view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a schematic view of a panel regulator according to the present invention.

FIG. 5 is an enlarged schematic view of section A of the present invention.

FIG. 6 is an enlarged schematic view of section B of the present invention.

Fig. 7 is a schematic front view of the folded state of the present invention.

In the above figures: 1. the panel, 2, panel regulator, 3, connecting piece I,4, vertical adjustment axle I,5, supporting rod I,6, horizontal adjustment axle, 7, connecting piece II,8, vertical adjustment axle II,9, supporting rod II,10, self-locking hinge, 11, buttock clamp plate, 12, cushion, 13, rubber pad, 14, torque adjustment nut, 15, axostylus axostyle, 16, pull rod, 17, spring, 18, latch.

The specific embodiment is as follows:

the following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-7, the present invention provides a technical solution: a dual-purpose device for fixing a foldable table and chair by pressing buttocks comprises a panel 1, a panel regulator 2, a connecting piece 3, a vertical regulating shaft I4, a supporting rod I5, a transverse regulating shaft 6, a connecting piece II7, a vertical regulating shaft II8, a supporting rod II9, a self-locking hinge 10, a buttocks pressing plate 11, a cushion 12, a rubber pad 13, a torque regulating nut 14, a shaft lever 15, a pull rod 16, a spring 17 and a latch 18, wherein the center of the top surface of the right side of the panel 1 extends out of the shaft lever 15, the panel regulator 2 is arranged on the shaft lever 15, the panel 1 is connected with the connecting piece I3 through the shaft lever 15 and the panel regulator 2, the panel 1 can rotate for 360 degrees around the shaft lever 15, the panel regulator 2 is regulated and fixed, the panel regulator 2 comprises three parts, namely the pull rod 16, the spring 17 and the latch 18, the latch 18 is fixed on the shaft lever 15 to form a rotating structure together, the middle rod of the pull rod 16 is sleeved with the spring 17, the upper end of the spring 17 is propped against the upper part in the connecting piece I3, the lower end of the pull rod 16 is propped against the lower part of the middle rod 16, and therefore the lower end of the latch 18 can be meshed with the lower end of the pull rod 16 in a rotating mode through the lower part of the pull rod 16, and the latch 18 can be freely meshed with the upper end of the pull rod 16, and the upper end of the pull rod 16 can be freely rotated, and the latch 18 can be meshed with the upper part of the pull rod 16 and the upper part of the pull rod 16.

The right end of the connecting piece I3 is connected with two supporting rods I5 in the vertical direction through a vertical adjusting shaft I4, the lower ends of the two supporting rods I5 are connected with a connecting piece II7 through a horizontal adjusting shaft 6, and the lower ends of the connecting piece II7 are connected with two supporting rods II9 through vertical adjusting shafts. The vertical adjusting shafts I4, II8 and 6 are respectively provided with a torque adjusting nut 14, and the rotating shafts are fixed and loosened by adjusting the torque adjusting nuts 14, so that the angle positions of the components can be adjusted to play a role in adjusting the position of the panel 1.

The bottom end of the supporting rod II9 is hinged with the right end of the hip pressing plate 11 through a self-locking hinge 10, the hip pressing plate 11 can be fixed at an angle of 90 degrees with the supporting rod II9 after being unfolded, and the hip pressing plate 11 and the supporting rod II9 can be unfolded and folded again by pressing a spring 17 key on the hinge. The upper surface of the hip pressing plate 11 is provided with the soft cushion 12, so that comfort feeling during sitting and pressing of the buttocks and the thighs can be improved, and the two sides of the lower surface are provided with the rubber pads 13, so that friction force between the hip pressing plate 11 and a supporting surface of the hip pressing plate can be increased, sliding is reduced, and stability of the table is improved. The middle parts of the supporting rods I5 and II9 are hollowed out, so that the weight is lighter, and the portability of the folding table is improved.

Principle of operation

For this patent, under the folded condition, at first expansion buttockss clamp plate 11, hear "click" back promptly buttockss clamp plate 11 and supporting rod auto-lock fixed, place buttockss clamp plate 11 on the holding surface according to individual's demand and select to adopt thigh to push down buttockss clamp plate 11 or adopt buttockss to push down buttockss clamp plate 11 down the effect that the interim is fixed down, the relative distance of desk and human body can be changed in the different positions of exerting pressure, is suitable for different application scenario. Unscrewing the torque adjusting nut 14 loosens the vertical adjusting shaft I4, turning the panel 1 clockwise, unscrewing the horizontal adjusting shaft 6 and the vertical adjusting shaft, screwing the vertical adjusting shaft I4, the vertical adjusting shaft II8 and the horizontal adjusting shaft 6 after adjusting the panel 1 to a proper position, and finally pulling the pull rod 16 of the panel adjuster 2 upwards to enable the panel 1 to rotate, and loosening the pull rod 16 to fix the panel 1 by an angle after rotating the panel 1 to a proper angle, so that the operation from a folding state to unfolding of the function of the table is completed.

Under the unfolding state, the pull rod 16 of the panel regulator 2 is pulled upwards to enable the panel 1 to rotate, the panel 1 is regulated to be in the horizontal direction, the pull rod 16 is loosened to fix the angle of the panel 1, the vertical regulating shaft II8 and the transverse regulating shaft 6 are unscrewed, the supporting rod I5 and the supporting rod II9 are regulated to be in the vertical direction, the vertical regulating shaft II8 and the transverse regulating shaft 6 are screwed down to enable the two supporting rods to keep the vertical state, the vertical regulating shaft I4 is unscrewed to clockwise overturn the panel 1 to enable the panel 1 to lean against the two supporting rods in the vertical state, the vertical regulating shaft I4 is screwed down to fix the position of the panel 1, and finally the spring key of the self-locking hinge 10 is pressed to unlock the self-locking hinge 10 to close the hip pressing plate 11, so that the operation from the unfolding state to the folding of the table function of the patent is completed.

Under the folding state, only the hip pressing plate 11 needs to be unfolded, namely the hip pressing plate 11 is fixed with the supporting rod in a self-locking mode after clicking, the vertical adjusting shaft II8 is unscrewed, the inclination angle of the supporting rod I5 is adjusted according to the comfort requirement of a person, and the fixing angle of the vertical adjusting shaft II8 is screwed down. The buttocks pressing plate 11 is placed on the supporting surface, the buttocks pressing plate 11 is pressed down by the buttocks part, and the upper component part of the buttocks pressing plate 11 is placed behind the human body to be used as a seat back for rest, namely, the operation from the folded state to the unfolded state of the chair is completed.

In the desk functional state, the pull rod 16 of the panel regulator 2 is pulled upwards to enable the panel 1 to rotate, the panel 1 is regulated to be in the horizontal direction, the pull rod 16 is loosened to fix the angle of the panel 1, the transverse regulating shaft 6 is unscrewed to regulate the supporting rod II9 to be in the vertical direction, the transverse regulating shaft 6 is unscrewed, the vertical regulating shaft II8 is unscrewed to regulate the inclination angle of the supporting rod I5 serving as a backrest according to the comfort requirement of an individual, and the vertical regulating shaft II8 is screwed to fix the angle. The buttocks pressing plate 11 is placed on the supporting surface, the buttocks pressing plate 11 is pressed down by the buttocks part, and the upper component part of the buttocks pressing plate 11 is placed behind the human body to be used as a seat back for rest, so that the operation of converting the desk function into the chair function is completed.

In the functional state of the chair, the vertical adjusting shaft II8 is unscrewed, and the supporting rod I5 is adjusted to be vertical. To tightening vertical regulating shaft II8 fixed angle, at last press the spring key of auto-lock hinge 10 to untie auto-lock hinge 10 and close buttockss clamp plate 11, accomplish the operation of this patent chair function from the expansion state to folding.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents. The non-illustrated portions referred to in the present invention are the same as or implemented using the prior art.

Claims

1. A foldable table and chair dual-purpose device for fixing hip and thigh pressure, including a panel (1), a support rod I (5), a support rod II (9), and a hip pressure plate (11). It is characterized by: the panel (1) A shaft (15) protrudes from the center of the right top surface. A panel adjuster (2) is installed on the shaft (15). The panel (1) passes through the shaft (15) and the panel adjuster (15). 2) Connected to connector I(3);

The panel (1) rotates 360 degrees around the shaft (15), and is adjusted and fixed through the panel adjuster (2); the panel adjuster (2) includes a pull rod (16), a spring (17) and a clamp. teeth (18); the latch teeth (18) are tightly sleeved on the shaft (15) and form a rotation structure with the shaft (15); the upper part of the latch teeth (18) meshes with the tooth grooves at the lower end of the pull rod (16) to limit the shaft rod. (15) and the rotation of the teeth (18); the middle rod of the pull rod (16) is covered with a spring (17), the upper end of the spring (17) is fixed on the upper part of the connecting piece I (3), and the lower end is fixed on the middle rod of the pull rod (16) lower part;

The right end of the connecting piece I (3) is connected to the supporting rod I (5) in the vertical direction through the vertical adjusting shaft I (4); the lower end of the supporting rod I (5) is connected to the connecting piece II (7) through the transverse adjusting shaft (6). ) are connected, the lower end of the connecting piece II (7) is connected to the support rod II (9) through the vertical adjustment shaft, and the bottom end of the support rod II (9) is hinged to the right end of the hip pressure plate (11) through a self-locking hinge (10);

The middle parts of the support rods I (5) and II (9) are hollowed out to reduce weight and improve portability;

The upper surface of the hip pressure plate (11) is provided with a soft pad (12), and both sides of the lower surface are provided with rubber pads (13) to increase friction; the right end of the upper surface of the hip pressure plate (11) is connected to the upper surface through a self-locking hinge (10). The vertical support rod II (9) is hinged, and the hip pressure plate (11) and the support rod II (9) are self-locking at a 90° angle after deployment;

The hip pressure plate (11) applies vertical pressure to the buttocks or legs to maintain the stability of the device. The pressure applied at different parts changes the relative distance between the table and the human body, and is suitable for different application scenarios;

The vertical adjustment shaft I (4), the vertical adjustment shaft II (8), and the lateral adjustment shaft (6) are all provided with torque adjustment nuts (14), and the rotating shafts are fixed or rotated by adjusting the torque adjustment nuts (14). ;

After the hip pressure plate (11) is fixed, the position of the panel relative to the body is changed through each adjustment shaft to adapt to different heights and application requirements.