KR102021375B1 - Adaptive chair easy to horizontality control - Google Patents

Abstract

The present invention is a chair body; A leg member installed below the chair body to support the chair body; And a length adjusting member installed to be adjustable in the leg member.
The leg member is composed of a plurality of support frames extending in the vertical direction while being arranged at intervals set along the lower circumference of the chair body, characterized in that the length of the support frame is variable by the length adjustment member, respectively ,
It is possible to maintain the horizontal state of the chair main body at all times in balance, thereby providing a more stable seating environment.

Description

ADJUSTABLE CHAIR, Easily adjustable horizontally {ADAPTIVE CHAIR EASY TO HORIZONTALITY CONTROL}

The present invention is easy to adjust the horizontal adjustable chair that can provide a more stable seating environment by configuring the seat to always maintain a balanced horizontal state while respectively adjusting the leg length of the chair in response to an uneven or inclined floor surface It is about.

In general, the chair is composed of a seat portion made in a form that is easy for the user to sit, and a leg portion for supporting the seat portion is used for various purposes in a place where the user wants to sit comfortably.

This conventional chair is configured to change the overall height of the chair while adjusting the length of the leg for physical convenience, but can not maintain the level of the seat itself in an environment where the floor is inclined or unevenly, There is a lack of countermeasures.

For example, since farms are formed in open fields or plastic houses, sowing and cultivation of crops are carried out on the farms, so that farmland is not flat and slopes in many places.

In particular, in the cultivation management and harvesting of grapes, tomatoes, peppers, etc., if the worker always bends in a standing state, the worker may cause back pain and increase fatigue and greatly reduce work efficiency. there was.

As a prior art for solving this problem, in the utility chair registration No. 112544 (April 9, 1998), an improved farming chair, the height of the seat can be adjusted by lifting and lowering the height according to the body shape of the worker or the height of the crops. Techniques are known that make it convenient to carry out harvesting operations and allow them to be easily dragged around during transport before and after work.

The above prior art also relates to a working chair that can easily manage agricultural products while adjusting the height by lifting and lowering the seat plate for physical convenience, but such a working chair adjusts the working chair horizontally according to the inclination of the crop plantation. It does not have a function.

Therefore, there is a need for a technical development of a chair capable of maintaining the horizontal state of the seating portion while adjusting a plurality of leg lengths in any place regardless of the shape of the floor surface.

Republic of Korea Utility Model Registration No. 20-0112544 (name of invention: chair for improved farming work)

The present invention was created to improve the problems of the prior art as described above, while adjusting the length of the chair in response to an uneven or inclined floor surface, the seat is always configured to maintain a balanced horizontal state more stable An object of the present invention is to provide an adaptive chair that can be easily adjusted horizontally to provide a seating environment.

In addition, it is possible to improve the convenience through the configuration to measure the horizontal degree of the seat, and to control each leg length is automatically adjusted according to the measurement result, while matching the horizontal degree of the seat and each leg length in real time with each other Another object of the present invention is to provide an adaptive chair that can be easily adjusted horizontally to achieve a faster and more accurate automatic control function through a configuration that reflects the matching result to the control.

In addition, the user can easily recognize the failure situation through the configuration that determines whether the failure of the device according to the matching result to the outside by an audio-visual signal when the failure occurs, the part where the contact with the floor surface is made the floor surface Another object of the present invention is to provide an adaptive chair that is easily adjustable horizontally, which can be firmly seated on a floor surface with a wider contact area through a configuration that is deformed in correspondence.

Horizontal adjustable adaptive chair of the present invention for achieving the above object, the chair body; A leg member installed below the chair body to support the chair body; And a length adjusting member installed to be adjustable in length in the leg member, wherein the leg member is formed of a plurality of support frames extending in the vertical direction while being disposed at intervals set along a lower circumference of the chair body. The length of the support frame may be varied by the length adjusting member.

In addition, the length adjustment member, the cylinder housing which is respectively installed corresponding to the support frame, the hollow is formed in the vertical direction; A support rod penetrating and inserted into the cylinder housing by forming a piston corresponding to the hollow circumference of the cylinder housing; A guide tube installed on one side of the cylinder housing so as to communicate with the hollow and providing a passage for moving the fluid; And hydraulic driving means connected to the guide tube to supply the fluid to the hollow or to flow the piston up and down while sucking the fluid in the hollow so that a portion of the support rod is selectively exposed to the outside of the cylinder housing. The support rod may change the length of the support frame as the length exposed from the cylinder housing is adjusted while supporting the support frame spaced apart from the bottom surface.

In addition, the support rod may further include a close contact panel provided on the exposed end to be in close contact with the bottom surface by a tilting action.

In addition, the adhesion panel may be connected to the exposed end of the support rod and a ball joint structure, or may be made of an elastic material.

In addition, the first sensor is installed on the chair body for measuring a horizontal value of the chair body; And a controller configured to control the operation of the length adjusting member by comparing the horizontal value measured by the first sensor with a preset value.

The display apparatus may further include a second sensor corresponding to each of the support frames and measuring the length of the support frame, respectively, and the controller may measure the horizontal value measured by the first sensor and the second sensor. While comparing each length value with a preset value in real time, the operation of the length adjusting member may be controlled by determining a correction request value according to a change in length between the support frames.

In addition, the controller may determine the operation abnormality of the length adjusting member by analyzing the horizontal value measured by the first sensor and the height value measured by the second sensor in real time comparison with a preset value. The adaptive chair is installed in the chair main body and connected to the controller, and if it is determined that the operation of the length adjusting member is over the controller, a signal output member for outputting a signal set by the control of the controller to the outside is further included. It may include.

The adjustable chair according to the present invention can easily adjust the horizontal state of the chair body at all times through a length adjusting member for adjusting the length of the supporting frame of the leg member in response to an uneven or inclined floor surface. As a result, a more stable seating environment can be provided.

In addition, the first sensor for measuring the horizontal value of the chair body and a controller for automatically controlling the operation of the length adjusting member by comparing the measured horizontal value with a preset value, it is possible to improve the convenience, the horizontal of the chair body A quick and accurate automatic control function is achieved through a controller that compensates and controls the operation of the length adjusting member by judging the correction request value according to the change of the length between the support frames while analyzing the value of each value and the length of each support frame in real time. It can work.

In addition, the user can easily recognize the failure situation through the controller for determining the operation abnormality of the length adjusting member according to the results of the real-time comparison analysis, and the signal output member to notify the outside by an audiovisual signal when the operation abnormality is determined. In this case, the contact panel which is in contact with the bottom surface is configured to be deformed in correspondence with the bottom surface, so that the contact surface can be firmly seated on a wider contact area.

1 is a perspective view of an easy adjustable chair according to an embodiment of the present invention.
Figure 2 is a partial bottom view showing the bottom of the chair body of the adaptive chair.
Figure 3 is a partially enlarged view showing the length adjusting member of the adaptive chair.
Figure 4 is a block diagram showing the electronic configuration of the adaptive chair.
5 is a use example showing the use of the adaptive chair.

DETAILED DESCRIPTION OF THE INVENTION The following detailed description of the invention refers to the accompanying drawings that show, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It is to be understood that the various embodiments of the present invention are different from one another but need not be mutually exclusive. For example, specific shapes, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the invention with respect to one embodiment. In addition, it is to be understood that the location or arrangement of individual components within each disclosed embodiment may be changed without departing from the spirit and scope of the invention. The following detailed description, therefore, is not to be taken in a limiting sense, and the scope of the present invention is defined only by the appended claims, along with the full scope of equivalents to which such claims are entitled. Like reference numerals in the drawings refer to the same or similar functions throughout the several aspects.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily implement the present invention.

1 is a perspective view of an easy to adjust the adjustable chair according to an embodiment of the present invention, Figure 2 is a partial bottom view showing the bottom of the chair body of the adaptive chair, Figure 3 is the length adjustment of the adaptive chair It is a partial enlarged view which shows a member, FIG. 4 is a block diagram which shows the electronic structure of the said adaptive chair, and FIG. 5 is a usage example which shows the usage of the said adaptive chair.

1 to 5, the adaptive chair 100 is easy to adjust the horizontal according to the present invention is the chair body 110, the leg member 120, the length adjusting member 130, the first sensor ( 140, the controller 150, the second sensor 160, and the signal output member 170 may be configured.

The chair body 110 is manufactured in a form that can be easily seated by the user, a seat (not shown) provided with a space for seating the user's lower body, a backrest (not shown) for supporting the user's back, and the user's arm. It may be made of an armrest (not shown) for supporting the, and may be made of a material such as wood, plastic, metal, rubber, fiber, but is not limited thereto.

The chair body 110 is a general known configuration, various forms and materials can be applied by those skilled in the art within the technical scope of the present invention, a more detailed description thereof will be omitted.

The leg member 120 is installed under the chair body 110 to support the chair body 110. According to the present invention, the center of gravity of the chair body 110 is distributed in a balanced manner. It may be formed of a plurality of support frames 121 extending in the vertical direction while being disposed at a set interval along the lower periphery.

In the drawing of the present invention, the support frame 121 is shown in the form of being disposed in each of the base frame (not shown) which is radially branched from the base portion while extending downward from the lower center of the chair body 110. However, this is only one embodiment included in the technical scope of the present invention, and may be directly coupled to the chair body 110 by omitting the base frame.

The length adjusting member 130 is installed to be adjustable in the length of each of the support frame 121 is configured to vary the length of the support frame 121, according to an embodiment of the present invention, the cylinder housing 131 It may be configured to include a support rod 132, a guide tube 133 and the hydraulic drive means (134).

The cylinder housing 131 is configured to accommodate a portion of the support rod 132 and fluid which will be described later, and may be installed to correspond to the support frame 121, respectively, and preferably, the hollow is vertically inside. Can be formed.

The support rod 132 is a rod which is inserted into the cylinder housing 131 or withdrawn from the cylinder housing 131 and whose exposure length is adjusted. The piston 132a corresponding to the hollow circumference of the cylinder housing 131 is formed. It may be formed and inserted through the cylinder housing 131.

The support rod 132 changes the length of the support frame 121 as the length exposed from the cylinder housing 131 is adjusted while supporting the support frame 121 in a state spaced apart from the bottom surface (F). To perform the function.

In addition, the support rod 132 may be further provided with a close contact panel 132b at the exposed end, according to the present invention, the close contact panel 132b is manufactured in the form of a flat plate so that the support rod 132 is bottomed. It serves to support the surface (F) more stably.

The close contact panel 132b is preferably tiltably connected to the exposed end and a ball joint structure for shape deformation corresponding to the bottom surface F, but is not limited thereto. It can be manufactured in a variety of forms can be modified.

That is, the contact panel 132b may be firmly contacted with the bottom surface F with a wider contact area by a tilting action when the contact panel 132b is in contact with the bottom surface F, and the bottom may be improved to improve adhesion. A non-slip pad (not shown) may be attached to the bottom in contact with the surface F.

Here, the non-slip pad may be made of synthetic rubber or silicon having a relatively high friction, and may also achieve non-slip by a manufacturing method such as giving irregularities on the surface, forming protrusions, or roughening a glaze. Since the description of the, more detailed description will be omitted.

The guide tube 133 is provided to provide a passage for moving the fluid, it is preferable to be installed in communication with the hollow on one side of the cylinder housing (131).

The hydraulic driving means 134 is to induce a shanghai movement of the support rod 132 by adjusting the pressure applied to the support rod 132, is connected to the guide pipe 133 to supply fluid to the hollow The piston 132a flows up and down while sucking the fluid in the hollow so that a portion of the support rod 132 is selectively exposed to the outside of the cylinder housing 131.

For example, as the pressure in the hollow increases due to the fluid supply of the hydraulic driving means 134, the piston 132a is pushed downward by the pressure, and correspondingly, the support rod 132 moves to the cylinder housing 131. The length exposed from) is elongated.

On the other hand, the lower the pressure in the hollow due to the fluid suction of the hydraulic drive means 134, the piston 132a is raised by the load, correspondingly the support rod 132 from the cylinder housing 131 The length exposed is contracted.

The hydraulic driving means 134 may be manually controlled according to a manual operation signal generated while the user directly inputs power by using an input member (not shown) such as a switch or a button. It may be automatically controlled according to the automatic control signal.

In addition, the hydraulic drive means 134 is preferably an air compressor (air compressor) consisting of an air pump, a drive motor, and the like, but is not limited thereto, and various known hydraulic drive devices may be handled within the technical scope of the present invention. have.

The first sensor 140 is a sensor for providing an input value for the automatic control of the controller 150 to be described later, according to the present invention, on the lower surface of the chair body 110 in parallel with the floor surface (F) It may be installed, and performs the function of measuring the horizontal value of the chair body 110 in real time.

Here, the first sensor 140 is preferably an electronic horizontal sensor, but is not limited thereto, and various well-known level systems may be applied within the technical scope of the present invention.

The controller 150 is configured to control the operation of the length adjusting member 130 according to an input value provided through the first sensor 140, that is, a horizontal value. More specifically, the chair body ( It is installed in the 110 may be connected to the hydraulic drive means 134 and the first sensor 140 of the length adjusting member 130, the horizontal value measured by the first sensor 140 is compared with a preset value To control the fluid supply or the fluid suction of the hydraulic drive means (134).

For example, when the horizontal value measured by the first sensor 140 exceeds a preset value, the controller 150 operates the hydraulic drive means 134 until the horizontal value reaches the preset value. Control the length of each support frame 121 is adjusted.

The second sensor 160 is a sensor that additionally provides another input value for the faster correction control of the controller 150 described above. According to the present invention, the second sensor 160 corresponds to the support frame 121. Preferably, the function of measuring the length value of the support frame 121 in real time.

The second sensor 160 may be a distance sensor for measuring the length of the support frame 121 according to the distance to the ground, the distance sensor is, for example, the reflection of the ultrasonic wave An ultrasonic sensor using the action may be used as a representative, but an optical sensor, a laser sensor, an infrared sensor, etc. using the light reflection action may be handled.

Here, the controller 150 according to the present invention, the real-time comparison of the horizontal value measured by the first sensor 140 and each length value measured by the second sensor 160 with a predetermined value in real time, the support frame It is possible to control the operation of the length adjusting member 130 by determining the correction request value according to the change in length between (121).

More specifically, the horizontal value and the length value may be selectively changed while the length adjusting member 130 is operated. When the horizontal value and the length value are simultaneously monitored by the controller 150, the length is measured. The change in the horizontal value according to the value change can be calculated proportionally, and the corresponding support frame (unsigned) is detected while detecting at least one unit support frame (unsigned) that needs to be adjusted based on the calculated ratio. It is possible to determine the correction requirement for how much length adjustment should be made.

Meanwhile, as described above, the controller 150 performs a real-time comparison and analysis of each height value measured by the first sensor 140 and height values measured by the second sensor 160. Through the operation of the length adjusting member 130 can be determined up to.

For example, when the controller 150 is slow to change the height value due to the horizontal value change or the horizontal value is changed, the controller 150 monitors that the change in the height value does not occur. It may be judged that the operation is abnormal.

This may occur due to various problems such as breakage of the cylinder housing 131 and the support rod 132, corrosion of the piston 132a, disconnection of the guide tube 133, failure of the hydraulic driving means 134, and the like. .

The signal output member 170 is to immediately notify the user of the inoperability of the length adjusting member 130, may be installed in the chair body 110 and connected to the controller 150, as described above, When it is determined that the operation of the length adjusting member 130 in the controller 150, the function to output the signal set by the control of the controller 150 to the outside.

The signal output member 170 may be applied to a variety of well-known speaker devices configured to output a set sound to recognize the user audibly, but configured to output a character set through a screen such as a liquid crystal so that the user visually recognizes the set sound. Various known display devices may be applied.

Therefore, the adjustable chair 100 is easy to adjust the horizontal according to the present invention, the length adjustment to adjust the length of the support frame 121 of the leg member 120 in response to the uneven or inclined floor (F), respectively. Through the member 130, the horizontal state of the chair body 110 can be always maintained in a balanced manner, thereby providing a more stable seating environment.

In addition, the first sensor 140 for measuring the horizontal value of the chair body 110, and the controller 150 for automatically controlling the operation of the length adjusting member 130 by comparing the measured horizontal value with a preset value Convenience can be improved, while the horizontal value of the chair body 11 and the length value of each of the support frame 121 are analyzed in real time with a preset value, and the correction request value according to the change in length between the support frames 121 is determined. Through the controller 150 for correcting and controlling the operation of the length adjusting member 130, there is an advantage to achieve a faster and more accurate automatic control function.

In addition, the user through the controller 150 for determining the operation abnormality of the length adjusting member 130 and the signal output member 170 notifying to the outside as an audiovisual signal when the operation abnormality is determined according to the real-time comparison analysis results The failure situation can be easily recognized, and the close contact panel 132b, which is in contact with the bottom surface F, is configured to deform in correspondence with the bottom surface F, thereby making it firm with a wider contact area on the bottom surface F. There is an effect that can be settled.

In the above, the present invention has been described based on the preferred embodiments, but the technical idea of the present invention is not limited thereto, and modifications or changes can be made within the scope of the claims. It will be apparent to those skilled in the art, and such modifications and variations will belong to the appended claims.

100: adaptive chair 110: chair body
120: leg member 121: support frame
130: length adjusting member 131: cylinder housing
132: support rod 132a: piston
132b: tight panel 133: guide tube
134: hydraulic drive means 140: first sensor
150: controller 160: second sensor
170: signal output member F: bottom

Claims (7)

Chair body;
A leg member installed below the chair body to support the chair body; And
A length adjusting member installed on the leg member to be adjustable in length,
The leg member,
Comprising a plurality of support frames extending in the vertical direction while being disposed at a set interval along the lower periphery of the chair body, the length of the support frame is variable by the length adjusting member, respectively,
The length adjusting member,
Cylinder housings corresponding to the support frames, respectively, and having a hollow formed in a vertical direction;
A support rod penetrating and inserted into the cylinder housing by forming a piston corresponding to the hollow circumference of the cylinder housing;
A guide tube installed on one side of the cylinder housing so as to communicate with the hollow and providing a passage for moving the fluid; And
And a hydraulic driving means connected to the guide tube to supply the fluid to the hollow or to move the piston up and down while sucking the fluid in the hollow so that a portion of the support rod is selectively exposed to the outside of the cylinder housing. ,
The support rod,
The length of the support frame is changed as the length exposed from the cylinder housing is adjusted while supporting the support frame spaced apart from the bottom surface.
The support rod,
It further comprises a close contact panel provided in the exposed end to be in close contact with the bottom surface by a tilting action,
The close contact panel,
A non-slip pad is attached to the bottom in contact with the bottom surface,
A first sensor installed at the chair body to measure a horizontal value of the chair body;
A controller for controlling the operation of the length adjusting member by comparing the horizontal value measured by the first sensor with a preset value; And
A second sensor corresponding to each of the support frames, the second sensor measuring a length value of the support frame, respectively;
The controller,
The horizontal value measured by the first sensor and each length value measured by the second sensor are compared with a preset value in real time, and the correction request value according to the change of the length between the support frames is determined to operate the length adjusting member. Control,
The controller,
The operation value of the length adjusting member is determined by comparing the horizontal value measured by the first sensor and the height value measured by the second sensor with a preset value in real time.
And a signal output member installed at the chair body and connected to the controller and outputting a signal set by the control of the controller to the outside, when it is determined that an operation abnormality of the length adjusting member is determined through the controller. Adaptive chair with easy leveling.
delete delete The method of claim 1
The close contact panel,
An adjustable chair that is easy to adjust horizontally characterized in that it is connected to the exposed end of the support rod and a ball joint structure, or made of an elastic material.
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