KR102256044B1 - Hinge for viewing chairs with a movable fastening structure - Google Patents

Abstract

The present invention relates to a hinge for audience seats having a movable coupling structure. More specifically, the hinge, which is made to connect a back and a support leg of an audience seat, comprises: a hinge body having a connection panel fixed to the back and a fixing panel fixed to the support leg; a connection coupling part formed on the connection panel to be screwed with the back; and a fixing coupling part comprising coupling holes formed on the fixing panel to be screwed with the support leg. Therefore, since the connection coupling part comprising transverse elongated holes is provided in the hinge body connecting the back with the support leg, and the fixing coupling part comprising the coupling holes and longitudinal elongated holes is provided therein, a gap between support legs installed on the back is shortened or widened, and, as a result, the support legs can be constructed by changing the gap therebetween in accordance with an onsite situation and the width of a placement part installed on the support legs, which can lead to an effect of improving constructability.

Description

{Hinge for viewing chairs with a movable fastening structure}

The present invention relates to a hinge for a spectator chair having a movable fastening structure, and more particularly, a connection fastening part made of horizontal long holes is provided on a hinge body connecting a backrest and a support leg, and a fixed fastening consisting of a fastening hole and vertical long holes is provided. By providing a part to reduce or widen the spacing between the support legs installed on the backrest, it is possible to change the spacing of the support legs to suit the site situation and the width of the seating part installed on the support legs, thereby improving workability. It relates to a hinge for a spectator chair having a movable fastening structure so that it can be.

In general, a performance hall is formed in the form of a stair in order to observe the screen or stage on one side, and a plurality of seats are connected and arranged on each stair so that the performance can be viewed.

Such seats for performance halls are installed on the fixed legs when the distance is maintained along the length of the stairs. The fixed legs have legs fixed with anchor bolts on the bottom of the stairs, and the armrests and beverage holders are on the upper surface. It is formed, and a seating portion having a cushion and a backrest portion supporting the back portion are installed to connect the fixed legs so that the spectator can sit.

In addition, in the conventional seat for a performance hall, the seating portion is installed to be rotated on the fixed leg, and the shaft is arranged to be lean toward the front end of the seating portion, and the rear portion is heavier than the front end around the axis, so that the seat rotates by its own weight and is arranged in an upright state. Then, the user rotates the seating part in an upright state and sits while maintaining a state horizontal to the ground.

However, there is a problem in that it is difficult to install a seat for a concert hall according to the installation environment, because the conventional seat for a performance hall does not have a function to adjust the spacing between the fixed legs to which the seating part is connected. And there is a cumbersome problem of having to prepare each of the backrests.

The above-described invention refers to the background art of the technical field to which the present invention belongs, and does not mean the prior art.

Registered Patent No. 1566630

The present invention has been conceived to solve the above-described conventional problem, and an object of the present invention is to provide a connection fastening part made of horizontal long holes in the hinge body connecting the backrest and the support leg, and consisting of a fastening hole and a vertical long hole. By providing a fixed joint to reduce or widen the spacing between the support legs installed on the backrest, it is possible to change the spacing of the support legs to suit the site situation and the width of the seating part installed on the support legs. An object thereof is to provide a hinge for a spectator chair having a movable fastening structure to be improved.

The present invention is a hinge configured to connect a backrest and a support leg of a spectator, a hinge body provided with a connection panel fixed to the backrest and a fixing panel fixed to the support leg, and formed on the connection panel so as to be screwed to the backrest It characterized in that it consists of a connecting fastening portion and a fixing fastening portion composed of fastening holes formed in the fixing panel so as to be screwed to the support leg.

In addition, the connection fastening part is made of horizontal holes formed in the connection panel, and vertical holes are further formed in the fixing panel.

In addition, an elastic support pipe having a pair of locking portions is further inserted into the horizontal hole, so that a screw member fastened to the horizontal hole is supported by the elasticity of the elastic support pipe.

In addition, the connection panel is characterized in that a locking support portion made of locking grooves formed at a predetermined interval along the rim of the horizontal hole is further formed on the front surface, and a locking jaw is further formed in the locking groove.

In addition, an elastic pressing type screw fixing means is further provided in the horizontal hole to support and fix the screw member fastened to the backrest and penetrating the horizontal hole by elasticity, and the elastic pressing type screw fixing means is A fixing groove formed at both ends, a fixing protrusion formed at one end so as to be fastened to the fixing groove, a fastening support member fitted into the horizontal hole, a pair of locking panels formed on the fastening support member, and the fastening support member. A support coil spring having one end connected to and fixed to the other end, an elastic pressing body that is connected to and fixed to an end of the support coil spring and presses the screw member by the elasticity of the support coil spring, and a part of the fastening screw. It characterized in that it is made of a lead-in groove formed in the elastic pressure body so as to be brought in.

The present inventor's hinge for viewing chairs with a movable fastening structure is provided with a connecting fastening part made of horizontal long holes on the hinge body connecting the backrest and the support leg, and a fixed fastening part made up of fastening holes and vertical long holes, which is installed on the backrest. By reducing or widening the spacing between the support legs, it is possible to change the spacing of the support legs according to the site situation and the width of the seating portion installed on the support legs, so that it is effective to improve the workability.

1 is a plan view showing a fastening state of a hinge for a spectator having a movable fastening structure according to the present invention.
Figure 2 is a front view showing a hinge for a spectator chair having a movable fastening structure according to the present invention.
3 is a side view showing a hinge for a spectator chair having a movable fastening structure according to the present invention.
Figure 4 is a plan view showing a state of use of the hinge for a spectator chair having a movable fastening structure according to the present invention.
5 is a partial cross-sectional view showing another embodiment of a hinge for a spectator chair having a movable fastening structure according to the present invention.
6 is a partially enlarged view showing another embodiment of a hinge for a spectator chair having a movable fastening structure according to the present invention.
7 is a view showing another embodiment of a hinge for a spectator chair having a movable fastening structure according to the present invention.
8 is a partially enlarged view of FIG. 7.
9 is a partially enlarged cross-sectional view of FIG. 7.

Since the description of the present invention is merely an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiments described in the text. That is, since the embodiments can be variously changed and have various forms, the scope of the present invention should be understood to include equivalents capable of realizing the technical idea.

Meanwhile, the meaning of the terms described in the present invention should be understood as follows.

Terms such as "first" and "second" are used to distinguish one component from other components, and the scope of rights is not limited by these terms. For example, a first component may be referred to as a second component, and similarly, a second component may be referred to as a first component.

When a component is referred to as being "connected" to another component, it should be understood that although it may be directly connected to the other component, another component may exist in the middle. On the other hand, when it is mentioned that a component is "directly connected" to another component, it should be understood that there is no other component in the middle. On the other hand, other expressions describing the relationship between components, that is, "between" and "just between" or "neighboring to" and "directly neighboring to" should be interpreted as well.

Singular expressions are to be understood as including plural expressions unless the context clearly indicates otherwise, and terms such as "comprises" or "have" refer to implemented features, numbers, steps, actions, components, parts, or It is to be understood that it is intended to designate that a combination exists and does not preclude the presence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof.

In each step, the identification code (e.g., a, b, c, etc.) is used for convenience of explanation, and the identification code does not describe the order of each step, and each step has a specific sequence clearly in the context. Unless otherwise stated, it may occur differently from the stated order. That is, each of the steps may occur in the same order as the specified order, may be performed substantially simultaneously, or may be performed in the reverse order.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the field to which the present invention belongs, unless otherwise defined. Terms defined in commonly used dictionaries should be interpreted as having meanings in the context of related technologies, and cannot be interpreted as having an ideal or excessively formal meaning unless explicitly defined in the present invention.

1 is a plan view showing a fastening state of a hinge for a spectator having a movable fastening structure according to the present invention. Figure 2 is a front view showing a hinge for a spectator chair having a movable fastening structure according to the present invention. 3 is a side view showing a hinge for a spectator chair having a movable fastening structure according to the present invention. Figure 4 is a plan view showing a state of use of the hinge for a spectator chair having a movable fastening structure according to the present invention. 5 is a partial cross-sectional view showing another embodiment of a hinge for a spectator chair having a movable fastening structure according to the present invention. 6 is a partially enlarged view showing another embodiment of a hinge for a spectator chair having a movable fastening structure according to the present invention. 7 is a view showing another embodiment of a hinge for a spectator chair having a movable fastening structure according to the present invention. 8 is a partially enlarged view of FIG. 7. 9 is a partially enlarged cross-sectional view of FIG. 7.

As shown in the drawing, the present inventor's hinge 10 for a spectator having a movable fastening structure (hereinafter referred to as a spectator hinge for convenience of explanation) connects the backrest 100 and the support leg 200 of the spectator chair. As a hinge, such a hinge is composed of a hinge body 20, a connection fastening part 30, and a fixed fastening part 40.

The hinge body 20 is provided with a connection panel 21 fixed to the backrest 100 and a fixing panel 22 fixed to the support leg 200.

The connection panel 21 and the fixing panel 22 are shaft (hinge) coupled to rotate with each other.

The connection panel 21 and the fixing panel 22 are made of a metal material and are formed in a rectangular panel structure.

The hinge body 20 is used to connect and fix the backrest 100 to the support leg 200.

A bent tube is integrally formed or welded to one side of the connection panel 21 and the fixing panel 22, so that they can be axially coupled to each other.

The connection fastening part 30 is formed on the connection panel 21 so as to be screwed to the backrest 100.

The connection fastening part 30 is made of horizontal long holes 31 formed in the connection panel 21.

The horizontal elongated holes 31 are arranged so as to maintain a constant interval in the upper and lower directions in the drawing, and are formed in the form of elongated holes in the horizontal direction in the drawing.

The screw member 300 is fastened to the horizontal hole 31 to fix the connection fastening part 30 to the backrest 100.

At this time, the horizontal hole 31 is formed to be elongated in the horizontal direction, so that the gap between the backrest 100 and the support leg 200 can be widened or reduced as shown in the drawing, so that the seat fastened to the support leg 200 It is possible to connect and fasten the seat by connecting the support legs 200 by reducing or widening the spacing between the support legs 200 according to the width of or according to the installation location.

The fixed fastening part 40 is composed of fastening holes 41 formed in the fixing panel 22 so as to be screwed to the support leg 200.

By fastening the screw member 100 to the support leg 200 through the fastening hole 41, the fixing panel 22 can be fixed to the support leg 200.

At this time, the fixing panel 22 is further formed with vertical long holes 42, by fastening the screw member 300 to the vertical long hole 42 formed in the vertical direction in the drawing so that it is fixed to the support leg 200 , The height of the backrest 100 can be increased or decreased, and the position of the fixing panel 22 installed on the support leg 200 can be changed in a vertical direction.

Here, an elastic contact pad made of a synthetic resin material having elasticity is further attached to the connection panel 21 and the fixing panel 22, and the support leg 200 and the back support 100 and the hinge body ( 20) By being disposed between, the hinge body 20 is pressed when fastened by the screw member 300 to prevent the screw member 300 from loosening due to elasticity, and to buffer external shocks. It is desirable to do it.

The hinge configured as described above connects the backrest 100 and the support leg 200 of the spectator so that the backrest 100 can be firmly fixed to the support leg 200, and the gap between the support legs 200 is increased. It can be fixed after adjusting the height of the backrest 100 as well as reducing or widening, so that the backrest 100 and the support leg 200 can be combined according to the field situation or the standard of the seat.

At this time, the horizontal hole 31 is further fitted with an elastic support pipe 311 having a pair of locking portions 311a formed therein, so that a screw member 300 fastened to the horizontal hole 31 is inserted into the elastic support pipe 311 It should be supported by the elasticity of ).

The elastic support pipe 311 is made of a synthetic resin material having elasticity, and is bonded and fixed after being inserted into the horizontal hole 31, and the locking part 311a is disposed on the outer surface of the elastic support pipe 311 at regular intervals. And is formed integrally.

The locking portions 311a are disposed to be engaged with each of the front and rear surfaces of the connection panel 21 to prevent the elastic support pipe 311 from being removed from the horizontal hole 31.

It is also possible to fix the locking part 311a by bonding it to the front and rear surfaces of the connection panel 21.

The elastic support pipe 311 has a width smaller than the outer diameter of the screw member 300 so that the screw member 300 is screwed to the backrest 100 while being forcibly fitted to the elastic support pipe 311 , By pressing the screw member 300 by the elasticity of the elastic support pipe 311, the screw member 300 fastened to the backrest 100 is prevented from being loosened or separated.

The elastic support pipe 311 maintains a constant interval on the inner surface and integrally forms an elastic locking protrusion, and the screw member 300 is disposed between the elastic locking protrusions, thereby being caught by the elastic locking protrusion and the screw It is desirable to prevent the member 300 from moving.

The connection panel 21 is further formed with a locking support portion 50 made of locking grooves 51 formed at a predetermined interval along the rim of the horizontal hole 31 on the front side.

By allowing a part of the screw member 300 to pass through the horizontal hole 31 and fastened to the backrest 100 to be inserted into the locking groove 51, the locking groove 51 is inserted into the screw member 300. By being caught, the connection panel 21 is prevented from moving, and the backrest 100 to which the screw member 300 is fastened is prevented from moving.

In the locking groove 51, a curved locking protrusion 511 is further integrally formed as shown in the figure so that the head of the screw member 300 is locked on the inner surface.

Here, a compression pad made of a synthetic resin material having elasticity is further attached to the upper surface of the locking protrusion 511, so that the head of the screw member 300 is screwed while pressing the compression pad, thereby reducing the elasticity of the compression pad. It is preferable to prevent the screw member 300 from being loosened.

At this time, the width of the horizontal hole 31 is formed to be smaller than the outer diameter of the screw member (300).

Here, by further attaching and fixing a curved elastic pressing pad made of a synthetic resin material having elasticity on the inner surface of the locking groove 51, the outer surface of the screw member 300 inserted into the locking groove 51 It is preferable that the pressing pad is pressed to prevent the screw member 300 from being released while being moved or rotated.

In addition, it is preferable that the elastic pressure pad is formed in a "c" shape and curved, so that it is inserted into the locking groove 51 so that the upper and lower surfaces of the connection panel 21 are engaged.

The lateral hole 31 is further provided with an elastic pressing type screw fixing means 60 to support and fix the screw member 300 which is fastened to the backrest 100 and penetrates the lateral hole 31 by elasticity. do.

The elastic pressing screw fixing means 60 has a fixing groove 61 formed at both ends of the horizontal hole 31, and a fixing protrusion integrally formed at one end so as to be fastened to the fixing groove 61, and the horizontal hole ( 31), a fastening support member 62 that is adhered and fixed to the fastening support member 62, a pair of locking panels 63 integrally formed with the fastening support member 62, and one end screwed to the other end of the fastening support member 62 A support coil spring 64 that is fastened or bonded to be fixed, and the screw member 300 is fixed by screwing or adhesively connected to the end of the support coil spring 64, and the elasticity of the support coil spring 64 ) Consisting of an elastic pressurizing body 65 made of a synthetic resin material having elasticity to pressurize, and a lead-in groove 66 formed in the elastic pressurizing body 65 so that a part of the head of the screw member 300 is inserted, and the By pressing and fixing the screw member 300 from both sides by the elasticity of the support coil spring 64 and the elastic pressing body 65, the screw member ( In addition to preventing the movement of the 300), it is prevented from being released from the backrest (100).

In addition, the locking panel 63 is disposed to be engaged with the front and rear surfaces of the connection panel 21 to prevent the fastening support member 62 from being removed or moved from the horizontal hole 31. The locking panel 63 may be adhered to and fixed to the front and rear surfaces of the connection panel 21.

Here, by further integrally forming locking protrusions on the inner surface of the inlet groove 66 formed in the elastic pressurizing body 65 so that the locking protrusions are caught in the thread formed on the outer surface of the screw member 300, It is preferable to prevent the screw member 300 from moving or falling out of the horizontal hole 31 and the elastic pressure body 65.

Although the present invention has been described in detail so far, it is clear that the embodiments mentioned in the process are only illustrative and not limiting, and the present invention is the technical spirit or field of the present invention provided by the following claims. Within the range not departing from, it will be said that component changes to the extent that can be coped with equally fall within the scope of the present invention.

10: Hinge for viewing chair
20: hinge body
21: connection panel
22: fixed panel
30: connection joint
31: Rail long ball
311: elastic support pipe
311a: locking part
40: fixed joint
41: fastening hole
42: vertical long hole
50: locking support
51: locking groove
511: locking jaw
60: elastic pressing type screw fixing means
61: fixing groove
62: fastening support member
63: locking panel
64: support coil spring
65: elastic pressure body
66: entry groove
100: back
200: support leg
300: screw member

Claims (5)

It is a hinge that connects the backrest of the spectator and the support leg,
A hinge body provided with a connection panel fixed to the backrest and a fixing panel fixed to the support leg;
A connection fastening part formed on the connection panel so as to be screwed to the backrest; And
In the hinge for a spectator chair having a movable fastening structure consisting of a fastening part composed of fastening holes formed in the fixing panel so as to be screwed to the support leg,
The connection fastening part is made of horizontal holes formed in the connection panel,
Vertical long holes are further formed in the fixing panel,
A hinge for a spectator chair having a movable fastening structure, characterized in that an elastic support tube having a pair of locking portions is further inserted into the horizontal hole so that the screw member fastened to the horizontal hole is supported by the elasticity of the elastic support tube. .
delete delete The method of claim 1,
The connection panel is further formed with a locking support portion consisting of locking grooves formed while maintaining a predetermined distance along the rim of the horizontal hole on the front side,
The hinge for the spectator chair having a movable fastening structure, characterized in that the locking step is further formed in the locking groove.
The method of claim 1,
An elastic pressing type screw fixing means is further provided in the lateral hole to support and fix the screw member fastened to the backrest and passing through the lateral hole by elasticity,
The elastic pressing type screw fixing means,
Fixing grooves formed at both ends of the horizontal hole,
A fastening support member having a fixing protrusion formed at one end so as to be fastened to the fixing groove and fitted into the horizontal hole,
A pair of locking panels formed on the fastening support member,
A support coil spring having one end connected to and fixed to the other end of the fastening support member,
An elastic pressurizing body connected to and fixed to the end of the support coil spring and pressurizing the screw member by the elasticity of the support coil spring,
A hinge for a spectator chair having a movable fastening structure, characterized in that consisting of an inlet groove formed in the elastic pressure body so that a part of the screw member is retracted.

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