KR102055578B1 - Automatic elevating device for restaurants - Google Patents

Abstract

The present invention has the following configuration. The present invention relates to an automatic lifting device for a restaurant chair, which comprises: a switching part support; a switching part provided on the switching part support; a rotating part provided on the upper and lower parts of the switching part to rotate with the switching part support; a connection bar provided on the rotating part; one end part of a connection support for connection to be rotated with the connection bar; a fixing part connected with the other end of the connection support; a chair support connected to the fixing part; and a center part of a turning rod part hinged to a hole formed in the connection bar. One end of the turning rod part is inserted into a switching groove of the switching part and moves along the switching groove when the connection support is rotated. The other end of the turning rod part is hinged to the other end of an elastic part. The connection support is composed of an upper connection support and a lower connection support. One end of the elastic part is hinged to the upper connection support of the connection support to lift the chair support due to the elasticity of the elastic part while the turning rod part moves on the switching groove. A desk and a chair are combined so a user doesn′t need time to tidy up the chair.

Description

Automatic elevating device for restaurants}

 The present invention corresponds to a lifting device for a restaurant chair.

According to the Republic of Korea Patent Application Publication No. 10-2004-0014894 (2004.02.18) in the background of the invention is the embodiment of the prior art that is composed of a 7a or a composite connection frame. The composite connection frame 28 supports the desk with two pillars, and supports the chair with two pillars. The two pillars are structured to be combined as one under the desk integrated chair.

7b is another embodiment in which a desk-integrated chair is configured in an oval chair, and a conventional oval chair is rotatable and movable by wheels. The desk-integrated chair is constructed while using the functions of the conventional oval chair as it is. By connecting the desk through the connecting frame 32 to the false vertical shaft 34 connecting the misleading support 35 having the wheels, the desk and the chair system constituting the access space through the rotation of the chair can be configured. In order to adjust the distance between the desk and the chair to suit the physical characteristics of the user, the chair 33 may be configured to move the chair back and forth by configuring the slider 33. However, since the chair is not rotated into the desk, it is inevitable that the chair still needs to be moved when cleaning the floor.

The present invention has been devised to solve such a problem.

Especially in the case of the restaurant, there are chairs for floor cleaning, which required a lot of manpower and time to clean. The present invention has been devised to solve this problem.

Korean Patent Office Publication 10-2004-0014894 (2004.02.18) Korea Patent Office Registered Patent Publication 10-1850963 (2018.04.23)

The first task is to solve the task of eliminating the time and effort of removing chairs and cleaning them again when cleaning the floor of a lecture room or training room, especially a restaurant.

The second task is to solve the task of efficiently utilizing the narrow space because the passage is formed when the chair is not used in the narrow space and rotates inward.

The third task is to solve the task that does not require time to organize the chair because the desk and chair are combined.

In order to solve the above problems, the following configuration is provided.

Transition support;

A switching unit configured on the switching unit support;

Rotating portion is configured to rotate the upper and lower parts of the switching unit and the switching unit support;

A connecting bar configured to the rotating unit;

An end of a connection upper support and an end of a connection lower support connected to rotate with the connection bar;

A fixing part connecting the other end of the upper connection support and the other end of the lower connection support;

A chair support connected to the fixing part;

A center portion of the turning rod portion hinged to the hole formed in the connecting bar;

One end of the turning rod portion is inserted into the switching groove of the switching unit is configured to move along the switching groove when the connection support is rotated,

The other end of the direction change rod portion is coupled to the elastic portion but hinged to the other end of the elastic portion,

The connecting support is composed of a connecting upper support and a connecting lower support,

One end of the elastic portion is hinged to the connection upper support of the connection support so that one end of the direction change rod portion is moved up and down the chair support due to the elasticity of the elastic portion,

In accordance with the rotation of the rotating part constitutes a rotating elastic portion that acts in the direction of suppressing the rotation of the rotating part and the direction of promoting the rotation of the rotating part,

When the user moves the chair out to use the chair, the force is applied in the direction of rotational elasticity,

When the user does not use the chair is configured to relax the force in the direction of rotational elasticity is relaxed,

After the user has used the chair, the chair automatically configures a lifting device for a restaurant that rotates the chair to the inside and automatically moves up and down.

Wherein the rotating part is composed of the upper rotation, lower rotation and the connection bar,

The upper rotating part is configured in the form of a ring,

The upper rotating part convex portion is configured in a part of the ring of the upper rotating part,

One end of the connection bar is coupled to an upper portion of the upper rotating part convex portion,

It is preferable that the other end of the connection bar is configured to be coupled to the other end of the lower rotating part convex portion formed in a part of the ring of the lower rotating part.

Here, the connection support is preferably configured as a connection upper support and a connection lower support.

In this case, it is preferable that the switch unit is integrally formed with the switch unit and the switch unit support in combination with a protrusion formed in the longitudinal direction and the groove formed in the switch unit support.

Wherein the switching unit support is a first pipe portion inserted into one end of the switching unit support;

Insert the lower rotation part in the central portion of the switching unit support,

After inserting the lower rotating part and inserting the conversion unit,

Insert the upper rotating part after inserting the switching part,

It is preferable to insert the second pipe portion in the upper portion of the upper rotation part.

Here, it is preferable that the support member coupling hole formed in the central portion of the through hole of the switching unit support and the fixing member formed on the upper rotating part are combined by a fixing screw part.

Here, the switching groove portion is composed of a horizontal groove portion and the inclined groove portion, when the one end of the direction change rod portion passes the horizontal groove portion, the ascending and descending of the chair support stops and the ascending and descending portion of the chair support is made It is desirable to configure so that.

The elastic portion is preferably configured to be a gas spring.

Here, the lower connection support is preferably configured to be inserted into the side portion of the upper connection support.

The first hole is formed in the upper portion of the connection bar, and is configured to rotate by coupling with one end of the connection upper support and the first pin.

A second hole is formed in the middle portion of the connection bar, and is configured to rotate by combining with the second pin and the second pin of the central portion of the direction change rod part.

The lower portion of the connection bar is preferably configured to rotate by combining the third pin portion with one end of the connection lower support by forming a third hole.

Here, it is preferable that one end of the connection upper support and the connection lower support and the other end of the connection upper support and the connection lower support constitute a hole, respectively.

Here, the fixing part has a configuration corresponding to the connection bar, but is preferably configured to fix the chair support through the configuration corresponding to the connection bar.

It is preferable to form a cover part in the said rotating part and the said fixed part here.

The present invention can be applied to all classrooms, but especially when cleaning the floor of the restaurant every day, after removing the chair and cleaning, there is a significant effect that can eliminate the time and effort of repositioning.

When the chair is not used in a narrow space, the interior is rotated and moved, so that a passage is formed, thereby effectively utilizing the narrow space.

The combination of a desk and a chair has the advantage that it does not require time to organize the chair.

Figure 1a is a block diagram showing a chair to which the automatic lifting device is applied.
Figure 1b is a view showing a rotating part of the automatic lifting device.
FIG. 2A is a detailed view of FIG. 1A.
2b is a view showing that the elastic portion is engaged with the connecting support.
Figure 2c is a view showing one of the connecting support.
Figure 2d is a view showing the configuration of the turning rod portion and the elastic portion.
Figure 3a is a view showing that the chair is moved to the top when the rotation moves to the bottom of the desk.
3b is a view showing that the switching unit is connected to the rotating unit.
4 is a detailed view of the switching section.
5 is a view showing the cover portion attached.
6A is a diagram relating to the second embodiment.
FIG. 6B is a view showing a state where the switching unit is inserted into the desk leg of FIG. 6A.
FIG. 6C is an exploded perspective view of FIG. 6B showing a spring part configured to automatically rotate.
6d is a view showing a coupling state of the switching part, the turning rod part, and the elastic part.
7A is a diagram showing a conventional technology.
Figure 7b is another embodiment showing the prior art.

If specifically described by the drawings as follows.

Transition supporters 80 and 810 are typically configured with the legs of a desk. When fastening to the legs of the desk for the convenience of the work may be configured separately to the conversion support next to the legs of the desk.

The switching units 40 and 400 configured in the switching unit supports 80 and 810 are those having a configuration of raising and lowering a chair. According to the present invention, when the chair moved to the upper portion of the table rotates out of the table, the chair moves to the bottom and descends.

When the chair comes down to some extent, it comes down by the weight of the chair.

When the spring elasticity is strengthened it may be difficult to descend by the weight of the chair.

When the chair is pulled down from the inside of the table by the external force to the outside of the table, when the external force of the user does not work outside the table, the chair automatically rotates due to the strong elasticity and rotates inside the table.

According to the user's request, it is possible to select and configure various elasticities, such as when the elasticity is weakened or strengthened.

When the chair is lowered to some extent, most of the gas spring's pushing force will not work.

However, when a certain weight is removed from the chair, that is, when the user stops using the stand, the chair is rotated into the table by the elasticity of the spring and is moved upward by the switching unit at the same time as the rotation.

When the floor is cleaned in this way, the chair can be placed on the top of the desk or moved to wash the floor and then move again to save the effort and time of moving the chair and to efficiently use the narrow space.

The upper and lower parts of the switch 40 and 400 are configured to rotate 30 and 300 to rotate with the switch 80 and 810. Rotating portion (30,300) is to allow the connecting support 200 to connect the chair to rotate.

Of course, the rotation unit 30,300 may be configured on one side of the switching unit 40,400.

The connection bar (33,330) configured in the rotating part (30,300) is connected to the connection support 200.

In order to connect to one end of the connection support 200, the connection bars 30 and 300 constitute first to third holes 34, 35, and 36: 332, 334, 336. The first holes 34 and 332 are coupled to one end 212 of the upper connection support, and the third holes 36 and 336 are connected to one end 222 of the lower connection support.

That is, one end 212 of the connection upper support for connecting the connection bar 33 and 330 to rotate is connected to one end 222 of the connection lower support.

Comprising a fixing part 500 for connecting with the other end (214, 224) of the connection support,

The fixing part 500 is connected to the chair support 710.

The fixing part may have the same shape as the connecting bars 33 and 330 of the rotating parts 30 and 300 and may have other configurations. Rotation according to the movement of the chair is not necessary and may be configured integrally with the chair support 710.

A second-first hole 134 is formed at the center of the direction change rod part 130 hinged to the second holes 35 and 334 formed at the connection bars 33 and 330.

One end 132 of the direction changing rod part is inserted into the switching grooves 42 and 420 of the switching part 400 so as to move along the switching grooves 42 and 420 when the connection supports 200 and 210 and 220 rotate. .

The other end portion 133 of the direction change rod portion is coupled to the elastic portion 100, but is hinged to the other end portion 110 of the elastic portion.

Therefore, when the resilient portion 100 composed of the turning rod 130 and the shock absorber forms an angle, a pushing force is greatly applied to push the other direction of the resilient portion to the connection upper support so that the chair is attached thereto. Configure to move upwards.

When the elastic portion 100 composed of the turning rod 130 and the shock absorber is in a straight line, it is not extended to lack or expand to additionally expand the power so that the chair can not be pushed upward.

The degree of elasticity of the elastic portion is appropriately determined.

The sixth hole 139 formed at one end 120 of the elastic part is pin-coupled to be rotated by the fifth hole 217 and the fifth pin part 219 which are pin holes on the upper portion of the connection upper support 210.

Where to configure the fifth hole 217 in the upper support is determined by the length of the force and the rising force.

The connection support 200 is composed of a connection upper support 210 and a connection lower support 220,

One end portion 120 of the elastic portion 100 is hinged to the connection upper support portion 210 of the connection support 200 so that one end 132 of the direction change rod portion moves the conversion grooves 42 and 420. While configuring the chair lifting device for elevating the chair support 710 due to the elasticity of the elastic portion 100.

The switching grooves 42 and 420 may include a horizontal groove 422 and an inclined groove 424 so that when the one end 132 of the turning rod part passes through the horizontal groove 422, the chair support 710 may be lifted. When the lowering stops and calls the inclined groove 424, the chair support 710 is configured to be raised and lowered.

There may be no inclined groove and only inclined groove.

When passing through the horizontal groove 422, the elastic spring 100, the gas spring 100 and the direction change rod 130 is configured to be generally horizontal, the fifth pin portion consisting of a pin coupling to the upper connection support 210 ( 219) is configured not to apply a force to the chair is configured to not move to the top.

The lower connection support 220 is configured to be inserted into the side portion of the upper connection support (210).

This configuration prevents dust or foreign matter from being inserted into the connection support.

Even if it is configured in the form of a simple bar, the chair rotates so there is no problem in moving to the upper and lower parts.

The first holes 34 and 332 are formed on the connection bars 33 and 330 to be coupled to one end of the connection upper support 210 and the first pin 932 to rotate.

A second hole (35, 334) is formed in the middle portion of the connecting bar (33, 330), and is configured to rotate by combining with the 2-1 hole (134) and the second pin (934) of the center of the direction change rod portion,

A third hole (36,336) is formed in the lower portion of the connection bar 330 is configured to rotate by coupling to one end of the connection lower support 220 and the third pin (936).

One end portions 212 and 222 of the upper connection support 210 and the lower connection support 220 and the other ends 214 and 224 of the connection upper support 210 and the connection lower support 220 constitute holes.

The fixing part 500 has a configuration corresponding to the connection bars 33 and 330, but is configured to fix the chair support 710 through a configuration corresponding to the connection bar 330.

The pinhole may be simply formed on the upper and lower portions without having a corresponding configuration.

The cover part 600 is formed on the rotating parts 30 and 300 and the fixing part 500 to prevent dust or foreign matter from being inserted.

The rotation of the rotating part around the support of the switching part may use a conventional bearing or may use a material with less wear during rotation.

The remarkable configuration here is arranged in a direction in which the spring 90 is disposed inside the transition part so as to rotate away from the table to apply an elastic force of the spring.

In this configuration, when the user wakes up, the spring's suppressed elastic force automatically rotates the chair into the dining table.

If the rotation is to move the force to lift the chair to the upper by the force of the pressure of the gas spring.

Since the chair is pulled out to use the chair afterwards, the chair is automatically moved up and down to the inside of the dining table.

6A to 6D show a second embodiment.

1A to 5 show a first embodiment.

The second embodiment is distinguished from the first embodiment by separating the connecting bar 33, the upper rotary part 31 and the lower rotary part 32, respectively.

Fig. 6A is an overall view of the second embodiment.

The configuration of the switching unit is an overall configuration showing a minimum configuration capable of performing the function.

FIG. 6B is a view showing a switching part 40 and a rotating part 30 (which includes an upper rotating part, a lower rotating part, and a connecting bar) different from those of the first embodiment.

The switching section shows a configuration corresponding to one half of the configuration of the first embodiment. The remaining half of the switch provides an appropriate cover configuration to maintain the aesthetics.

6c illustrates that the switching unit support 80 is inserted into the pipe of the first pipe unit 70, and the lower rotation unit 32 is inserted into the switching unit support 80 at the center of the switching unit support 80.

After the lower rotation part 32 is inserted, the switching part 40 is inserted.

After inserting the switching unit 40, the upper rotary part 31 is inserted.

The second pipe part 75 is inserted into the upper part of the upper rotating part 31.

The rotating part is composed of an upper rotating part 31, a lower rotating part 32 and a connecting bar 33,

The upper rotary part 31 is configured in the form of a ring.

The upper rotating part convex portion 31a is formed in a part of the ring of the upper rotating part 31.

One end of the connection bar 33 is coupled to the upper portion of the upper rotating part convex portion 31a,

The other end of the connecting bar 33 is coupled to the other end of the lower rotating part convex portion 32a formed in a part of the ring of the lower rotating part 32.

The connection support 200 is composed of a connection upper support 210 and a connection lower support (220).

The switching unit 40 is combined with the projection portion 46 protruding in the longitudinal direction and the groove portion 86 formed in the switching unit support 80 to integrate the switching unit 40 and the switching unit support 80. It consists of.

The support screw coupling hole 85 formed at the center of the through hole of the switching unit support 80 and the fixing member 61 formed on the upper rotary part 31 are combined by the fixing screw unit 65.

The first to third casing parts (51, 52, 53) is made of a material that is relatively resistant to abrasion and is configured to have no play to prevent the shaking of the chair.

The coupling screw hole 38 is configured at the ends of the upper rotary part 31 and the lower rotary part 32 to be coupled to the hole formed in the connection part 33 through the coupling screw part 37.

In accordance with the rotation of the rotating part of the rotating elastic portion 90 which acts in the direction of suppressing the rotation of the rotating portion and the direction of promoting the rotation of the rotating portion,

When the user moves the chair out to use the chair, the force is applied in the direction of rotational elasticity,

When the user does not use the chair is configured to relax the force in the direction of rotational elasticity is relaxed,

After the user uses the chair, the chair automatically rotates to the inside and automatically moves up and down.

When the rotating parts 30 and 300 are rotated, the rotating elastic part one end 95 is supported on the upper and lower parts of the switching parts 40 and 400, and the rotating elastic part other end 99 is supported by the first rotating parts 31 and 310 and the second rotating parts 32 and 320. It is possible to configure in the direction of increasing the elastic force and the direction of the elastic force through the rotation.

Therefore, the device configured as described above is rotated inward in the direction in which the rotating elastic force is relaxed after the user's use.

When rotated inwardly, the gas spring 100, which is a pressurized elastic part, rotates while the chair is rotated in the upper direction, so that the chair can be cleaned daily. There is an advantage to using it.

If the chair is pushed into the chair when the chair is raised, it needs to be pushed separately, but the chair that is not used in the present invention is moved to the upper part unconditionally to clean up manpower efficiency.

The terms or words used in this specification and claims are not to be construed as limiting in their usual or dictionary meanings, and the inventors may appropriately define the concept of terms in order to best explain their invention in the best way possible. It should be interpreted as meaning and concept corresponding to the technical idea of the present invention based on the principle that the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only one of the most preferred embodiments of the present invention, and do not represent all of the spirit of the present invention, these can be replaced at the time of the present application It should be understood that there may be various equivalents and variations.

31: upper rotating part 31a: upper rotating part
32: lower rotating part 32a: lower rotating part
33: connecting bar 34: 1st hole 35: 2nd hole 36: 3rd hole
37: coupling screw part 38: coupling screw hole part
40: switching unit 42: switching groove 46: protrusion
51: first casing portion 52: second casing portion 53: third casing portion
61: fixing member 65: fixing screw
70: first part 75: second part
80: switching unit support 85: support coupling hole 86: groove
90: rotating elastic part 95: rotating elastic part one end 99: rotating elastic part other end
100: elastic portion 110: the other end of the elastic portion 120: one end of the elastic portion
130: direction change rod portion 112: fourth pin portion
132: one end of the turning rod 133: the other end of the turning rod
134: Hall 2-1 Hall 138: Hall 4 139: Hall 6
200: connection support 210: connection upper support 212: one end of the connection upper support
214: the other end of the connecting upper support 217: the fifth hole
219: fifth pin portion 220: connecting lower support 222: one end of the connecting lower support
224: the other end of the connecting lower support
300: rotating part 310: upper rotating part 320: lower rotating part
330: connecting bar 332: first hole 334: second hole 336: third hole
400: switching part 420: switching groove 422: horizontal groove 424: inclined groove
500: Fixed part 600: Cover part 700: Chair part 710: Chair support
800: table part 810: switching unit support
932: first pin portion 934: second pin portion 936: third pin portion 938: fourth pin portion

Claims (13)

Transition support;
A switching unit configured on the switching unit support;
A switching groove portion configured outside of the switching portion;
Rotating portion is configured to rotate the upper and lower parts of the switching unit and the switching unit support;
The rotating part is composed of an upper rotating part, a lower rotating part and a connecting bar,
The upper rotating part is configured in the form of a ring,
The upper rotating part convex portion is configured in a part of the ring of the upper rotating part,
One end of the connection bar is coupled to an upper portion of the upper rotating part convex portion,
The other end of the connecting bar is configured to be coupled to the other end of the lower rotating portion convex portion configured in the ring portion of the lower rotating portion
An end of a connection support connecting the rotation bar with the connection bar;
A fixing part connecting with the other end of the connection support;
A chair support connected to the fixing part;
The connection support is composed of the upper connection and the lower connection support,
A center hole of the turning rod part hinged to the hole formed in the connection bar;
One end of the turning rod portion is inserted into the switching groove is configured to move along the switching groove when the connection support is rotated,
The other end of the turning rod portion is hinged to the other end of the elastic portion,
One end of the elastic portion is hinged to the connection upper support of the connection support so that one end of the direction change rod portion is moved up and down the chair support due to the elastic force of the elastic portion,
In accordance with the rotation of the rotating part of the rotating elastic portion to act in the direction of suppressing the rotation and the direction of promoting the rotation of the rotating portion,
When the user moves the chair out to use the chair, the force is applied in the direction of rotational elasticity,
When the user does not use the chair is configured to relax the force in the direction of rotational elasticity is relaxed,
Automatic lifting device for dining chairs, characterized in that the chair automatically rotates to the inside and automatically lifts up after the user uses the chair. delete delete According to claim 1, wherein the switching unit is automatically connected to the projection protruding in the longitudinal direction and the groove portion formed in the switching unit support, the automatic lifting device for a restaurant chair, characterized in that the switching unit and the switching unit support integrally constitute. The method of claim 4, wherein the support for the switching unit comprises: a first pipe portion inserted into one end of the switching unit support;
Insert the lower rotation part in the central portion of the switching unit support,
After inserting the lower rotating part and inserting the conversion unit,
Insert the upper rotating part after inserting the switching part,
Automatic lifting device for dining chairs, characterized in that the upper part of the upper rotating portion is inserted into the second pipe portion. [7] The automatic lifting device for a restaurant chair according to claim 5, wherein a support screw coupling hole formed at the center of the through hole of the switching unit support and a fixing member formed at an upper portion of the upper rotating unit are coupled by a fixing screw unit. According to claim 1, wherein the switching groove portion is composed of a horizontal groove portion and the inclined groove portion when the one end of the direction change rod portion passes through the horizontal groove portion ascending and descending of the chair support stop and the chair support portion when talking to the inclined groove portion Automatic lifting device for a restaurant chair, characterized in that configured to make the lifting and lowering. According to claim 1, wherein the elastic portion automatic lifting device for a restaurant chair, characterized in that the gas spring. According to claim 1, wherein the lower connection support is an automatic lifting device for a restaurant chair, characterized in that configured to be inserted into the side portion of the upper connection support. A first hole is formed in the upper portion of the connection bar in claim 1 is configured to rotate by coupling to one end and the first pin of the connection upper support,
A second hole is formed in the middle portion of the connection bar, and is configured to rotate by combining with the second pin and the second pin of the center portion of the direction change rod part.
The lower portion of the connecting bar is configured to rotate to combine the first pin and the third pin portion of the lower support of the connection to configure the dining room chair automatic lifting device. According to claim 1, One end of the upper connection support, the lower end of the connection lower support, the other end of the connection upper support and the other end of the connection lower support for each of the dining chairs characterized in that the automatic lifting Device. According to claim 1, wherein the fixing unit has a configuration corresponding to the connecting bar, the elevator chair automatic lifting device, characterized in that configured to secure the chair support through the configuration corresponding to the connecting bar. The automatic lifting device for a dining chair according to any one of claims 1 and 4 to 12, wherein a cover part is formed on the rotating part and the fixing part.

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