KR200362879Y1 - One-touch Receiving Type Lecture Hall Seating for Prompt Escape in Panic Situation - Google Patents

Abstract

The present invention relates to a chair having a memo stand designed to be quickly detached from the chair in the event of an emergency such as fire or terrorism.

The present invention, in the chair having a memo stand, a hinge fixing portion interposed in the crust and the side plate, the insertion hole therein and the guide groove formed at one side rearward from the upper surface and having a locking groove at the end, respectively And a hinge pivot part hinged to the hinge fixing part so as to be vertically rotatable, a guide protrusion guided while being rotated at right angles by the guide groove, and a guide rod inserted into the insertion hole through an elastic member, and And a memo stand fixed to the guide rod, wherein the guide protrusion is formed by the elastic restoring force of the compressed elastic member only by the action of a predetermined external force while the guide protrusion is located in the locking groove. Therefore, while the guide is vertically erected vertically and at the same time rotated forward continuously the crust and side plate yarn Of it characterized in that accommodated in the accommodation space. According to the above configuration, there is an advantage that can be immediately released from the chair by the prompt storage of the memo stand in case of emergency.

Description

One-touch Receiving Type Lecture Hall Seating for Prompt Escape in Panic Situation}

The present invention relates to a chair having a memo stand, and in particular, the memo stand can be quickly and conveniently stored in a storage space with only one small external force while the memo stand is unfolded, and at the same time, it is stored in the correct position when storing. It relates to a one touch retractable memo stand chair for quick escape in the event of a situation.

In general, 'Lecture Hall Seating' having a memo stand for taking notes while taking a lecture in a lecture room or auditorium has been devised and widely used.

1 is a perspective view of a conventional memo stand chair according to the prior art. As shown in FIG. 1, the memo stand chair according to the related art includes a hinge part 20 rotatably connected to a crust 2, which is a chair leg, and an operating rod fixed to the hinge part 20 at a right angle. (22), the guide rod 30 is inserted into the operating rod 22 is coupled, and comprises a memo stand 40 is fixed to the guide rod (30). Reference numeral 6 denotes the armrest 6 so as to be rotatable to the side plate 4 so as to selectively open and close the 'storage space' (the space between the crust 2 and the side plate 4, which is the same below). Are combined.

2 is an exploded view of the main part of FIG. 1. As shown in FIG. 2, the operating rod 22 has a guide groove 22a formed in a predetermined length along the circumferential direction, and one side of the guide rod 30 is fitted into the guide groove 22a. A guide protrusion 30a is formed to protrude, and a supporting plate 42 for fixing the guide rod 30 to the memo pad 40 is fastened to the memo pad 40 by a fastening screw.

Next, in the chair having a memo stand according to the related art having the above-described configuration, an operation process of storing the unfolded memo stand 40 will be described.

3 is an operation diagram of a memo stand chair according to the prior art.

3A is a side view of the main portion of the memo stand 40 in an unfolded state. In order to fold the memo stand 40 in the state of FIG. 3A, first, an external force is applied in the direction of the arrow shown in the memo stand 40. When the external force is applied in the direction of the arrow as described above, while the guide protrusion 30a is guided by the guide groove 22a, the memo stand 40 is erected at right angles to the horizontal plane (the state of FIG. 3 (b)).

As shown in (b) of FIG. 3, in the state in which the memo stand 40 is erected with respect to the horizontal plane, the armrest stand 6 is opened, and the memo stand 40 is 'rear' (from the memo pad 40 of the chair). It means a direction toward the backrest, which is used in the same sense throughout the present specification) to fold the memo stand 40 by the external force to be stored in the storage space.

3 (c) shows a state diagram of a state in which the memo stand 40 is folded and stored in the storage space by the above operation.

On the other hand, the process of unfolding the memo stand 40 is performed in the reverse process of the storing process.

However, the memo stand chair according to the prior art having the above configuration and operation process poses the following problems.

First, in order to fold the memo stand 40 in the storage space, the first external force for erecting the second external force, that is, the memo stand 40 at right angles to the horizontal plane, and fold the memo stand 40 in the storage space. In order to do this, a second external force is applied. Thus, in order to fold the memo stand 40, there was an inconvenience of applying two steps of external force.

Second, in order to fold the memo stand 40, two steps of external force must be applied as described above, which requires a lot of time to fold the memo stand 40.

Third, in order to fold the memo stand 40 in the unfolded state at a right angle to the horizontal plane, it depends only on the external force, and there is an inconvenience in that the user must act a large external force on the memo stand 40.

Fourth, the trajectory to be stored in the storage space by rotating backward in the state in which the memo stand 40 is erected at right angles to the horizontal plane to the front, drawing a trajectory of more than about 180 ° rotation angle, it takes a lot of time to be stored.

Fifth, since it is not possible to quickly fold the memo stand from the first to fourth of the problems of the prior art, it is not possible to avoid the emergency situation by quickly leaving the chair when an emergency situation such as fire, terrorism or building collapse occurs. There was this.

Sixth, when the memo stand 40 is accommodated in the storage space, there is no device for holding the memo stand 40 having a large centrifugal force due to gravity, so that the memo stand 40 cannot be safely seated in the storage space and flow occurs.

Seventh, in order to store in the storage space by applying a force back to the rear in the state that the memo stand 40 is set up at right angles to the horizontal plane in front, there is a problem to open the storage space by opening the armrest stand (6) as a prerequisite there was.

The present invention was created in order to solve the problems of the prior art as described above, the present invention is to release the predetermined locking means inherent elastic force by one external force to memo by the elastic restoring force of the elastic member and the gravity of the memo stand itself The present invention provides a one-touch retractable memo stand chair for quick escape in case of an emergency that can be folded and stored in a storage space.

Another object of the present invention is to provide a hinge fixing part and a hinge rotating part so that the memo stand can be rotated forward to store the memo stand at the shortest rotational angle, so that the memo stand can be folded and stored quickly. To provide a one-touch retractable memo chair for escape.

Another object of the present invention is to provide a memo stand stopping means for each of the hinge fixing part and the hinge rotating part so that when the memo stand is stored, the memo stand can be seated and stored without any flow at a predetermined position in the storage space. To provide a one-touch retractable memo chair for escape.

Another object of the present invention is to quickly store a memo pad in a storage space, so that a quick escape can be made in case of an emergency such as a fire, terrorism, collapse of a building, etc. To provide a one-touch retractable memo chair.

1 is a perspective view of a memo stand chair according to the prior art.

FIG. 2 is an exploded view of essential parts of FIG. 1. FIG.

3 is an operation diagram of the memo stand chair of FIG.

Figure 4 is a perspective view of a one-touch retractable memo stand chair for quick escape in case of emergency according to an embodiment of the present invention.

FIG. 5 is an exploded view illustrating main parts of the one-touch retractable memo stand chair for quick escape when an emergency occurs in FIG. 4; FIG.

FIG. 6 is a detailed view of portion A of FIG. 4.

FIG. 7 is a detailed view of portion B of FIG. 4. FIG.

FIG. 8 is an operation diagram of spreading a memo stand in the chair of FIG. 4.

FIG. 9 is an operation diagram of folding and storing a memo stand of the chair unfolded by FIG. 8.

FIG. 10 is a detailed view illustrating main operations of FIG. 9. FIG.

FIG. 11 is a detailed view of an operation in which a memo stand is seated and accommodated in FIG. 8.

Explanation of symbols on the main parts of the drawings

2, 102; Crust 4, 104; shroud

6, 106; Armrest stand 20; Hinge

22; Working rod 22a; Guide home

30, 130; Guide rods 30a, 130a; Guide turning

40, 140; Note pad 42, 142; Support plate

110; Hinge fixing part 110a; Fastener

111; Hinge hole 112; Hinge shaft

113; Fixing plate 114; Storage

114a; Step 115; Detent

116; Stop spring S; Driving spring

120; Hinge pivot 121; Insertion hole

120a; Upper surface 120b; Left side

120c; Right side 122; Guide home

122a; Locking groove 124; Through hole

126; Set groove 127; Rail part

One-touch retractable memo stand chair for quick escape in case of an emergency situation according to the present invention for achieving the above object, in the chair provided with a memo stand, the hinge fixing part which is fixedly installed interposed on the crust and the side plate, A insertion hole and a guide groove formed at one side rearward from an upper surface thereof and having a locking groove at an end thereof, and a hinge rotating part hinged to the hinge fixing part so as to be rotatable vertically and guided while being rotated at right angles by the guide groove. The guide protrusion is provided, and includes a guide rod inserted into the insertion hole through an elastic member, and a memo stand fixed to the guide rod, wherein the guide protrusion is positioned in the locking groove, and has a predetermined external force. By the action of only, the guide protrusion is not formed along the guide groove by the elastic restoring force of the compressed elastic member. As it is characterized in that to return the notes and at the same time rotates in the sewojim continuous vertically in the forward direction to be housed in the housing space between the crust and the side plate.

The following will be described in detail with reference to the accompanying drawings a preferred embodiment of the one-touch retractable memo stand chair for quick escape when an emergency situation of the present invention occurs.

Figure 4 is a perspective view of a one-touch retractable memo stand chair for quick escape in case of emergency according to an embodiment of the present invention. The one-touch retractable memo stand chair for quick escape in case of an emergency according to an embodiment of the present invention shown in FIG. 4 shows the memo stand 40 in an 'unfolded state'.

As shown in FIG. 4, the one-touch retractable memo stand chair for quick escape when an emergency occurs according to an embodiment of the present invention includes a hinge fixing part fixed to the crust 102 and the side plate 104 by screwing. The hinge pivot part 120 hinged to the hinge fixing part 110 and the hinge pivot part 120 so as to be rotatable depending on the rotation of the hinge pivot part 120. It is configured to include a guide rod 130 and the memo stand 140 is coupled by the support plate 142 to the guide rod 130 to be.

FIG. 5 is an exploded view illustrating main parts of the one-touch retractable memo stand chair for quick escape when an emergency occurs in FIG. 4.

As shown in FIG. 5, a pair of left and right hinge holes 111 are formed at one side of the fixing part plate 13 of the hinge fixing part 110, and at a rear side of the hinge rotating part 120. Through-hole 124 is formed, is hinged by the hinge shaft (112).

Fastening holes 110a for screwing the crust 102 with the lower sides of the hinge hole 111 are formed, and the side plate 104 and the screw are similarly positioned at the opposite surface of the fastening hole 110a. A pair of fastening holes (not shown) for fastening are formed.

On the other hand, the portion A shown in the hinge fixing part 110 is shown as a hidden line.

In addition, a driving spring S for pushing the guide rod 130 to the 'front' (the opposite direction of the 'back' and used in the same sense in the present specification) inside the hinge pivot portion 120. The insertion hole 121 is a space through which the guide rod 130 is inserted.

A spiral guide groove 122 is formed from the upper surface 120a of the hinge fixing portion 120 to the left surface 120b and from front to rear. The guide groove 122 is inserted into the guide groove 122 to change the rotation direction of the guide rod 130 at right angles.

In addition, a locking groove 122a is formed at the rear end of the guide groove 122 to fix the position of the guide protrusion 130a to be described when the memo pad 140 is fully unfolded. That is, the locking groove 122a prevents the guide rod 130 from returning to its original state when the guide rod 130 moves backward along the guide groove 122.

Referring to the shape of the guide groove 122 again, it is formed in a spiral shape from the front to the rear, and in the left side (120b) to form a shape slightly bent back to the front again to form the locking groove (122a) have.

In addition, a guide protrusion 130a is formed at an end portion of the guide rod 130 at the hinge pivot part 120. The guide protrusion 130a is inserted into the guide groove 122 to induce a direction of movement of the guide rod 130.

The support plate 142 is coupled to the guide rod 130 by, for example, welding, and is coupled to the memo pad 140 by, for example, a screw to smoothly couple the memo pad 140 to the guide rod 130. Let's do it.

6 shows a detail A portion of FIG. 4.

As shown in FIG. 6, an accommodation groove 114 for accommodating the stop protrusion 115 is formed at one side of an inner surface of the fixing plate 113 of the hinge fixing part 110 via the stop spring 116. It is. In addition, the receiving groove 114 is provided with a stepped portion (114a) formed stepped inside to prevent the separation of the stop projection (115).

The stop protrusion 115 accommodated in the receiving groove 114 is a memo stand 'stop means' inserted into the stop groove 126 to be hooked to allow the memo stand 140 to be seated without flow. In addition, the stop protrusion 115 is formed to be stepped so as to be caught by the step portion 114a when pushed out by the extension of the stop spring 116 of the receiving groove 114. Preferably, the stop projection 115 is configured such that the cross section is a circle.

FIG. 7 shows a detail B portion of FIG. 4.

As shown in FIG. 7, a stop groove 126 and a rail portion 127 are provided on the left side surface 120b of the hinge pivoting portion 120.

The stop groove 126 is rotated downward when the hinge rotation part 120 enters the fixing part plate 113 of the hinge fixing part 110 (that is, the memo stand 140 is in the 'storage space') When accommodated), the stop projection 115 is formed to be recessed at a position corresponding to the stop projection 115 so as to be inserted in a hook manner.

In addition, the rail portion 127 is moved from the stop groove 126 to the left side surface 120b edge of the hinge rotation part in order to facilitate insertion of the stop protrusion 115 into the stop groove 126 by hooking. It is formed to be inclined downward.

The following describes the operation of the one-touch retractable memo stand chair for quick escape in case of an emergency situation according to an embodiment of the present invention having the configuration as described above.

8 is a view illustrating an operation of spreading a memo stand in the chair of FIG. 4. First, FIG. 8A illustrates a state diagram in which the memo stand 140 is accommodated in the memo stand storage space between the side plate 104 and the crust 102.

In a state where the memo stand is stored in the 'storage space' as shown in FIG. 8A, when the user grabs the memo stand 140 and exerts an external force in the direction of the arrow, the hinge pivot 120 is connected to the hinge shaft ( Rotate around 112). The memo stand 140 coupled to the guide rod 130 by the rotation of the hinge pivot 120 is in a state of being perpendicular to the horizontal plane toward the front (a state shown in FIG. 8B). .

In the state in which the memo stand 140 is erected at right angles to the horizontal plane as shown in FIG. 8 (b), the left side of the memo stand 140 is referred to as a 'left direction' (when the user is seated on a chair). When used in the same meaning throughout this specification), the guide protrusion 130a of the guide rod 130 is guided along the guide groove 122.

At this time, since the guide grooves 122 are formed spirally in the rear and left directions, the guide rods 130 move backwards and simultaneously in the left direction. As the guide rod 130 moves backward, the driving spring S is compressed.

In the above state, when the external force is continuously applied to the memo stand 140, the guide protrusion 130a continues to be guided along the guide groove 122 while the guide rod 130 continues to the left at the same time in the left direction. After the movement, the memo stand 140 is completely unfolded.

As described above, when the memo stand 140 is completely unfolded, the guide protrusion 130a is positioned in the locking groove 122a so that the guide rod 130 returns to its original state even when the restoring force of the driving spring S is applied. Is prevented.

At this time, the driving spring (S) is compressed by the reverse of the guide rod 130 has a high elastic restoring force.

Next, a process of storing the memo stand in the unfolded state as described above will be described.

FIG. 9 is a view illustrating an operation of folding and storing a memo stand of the chair unfolded by FIG. 8.

First, as shown in (c) of FIG. 8, when the memo stand 140 is unfolded, the external force upwards to the memo stand 140 (at this time, the external force applied, for example, the user's body (for example, the thigh leg) while the user stands up. Is an external force applied while touching the memo stand 140, the present invention is a devise created in consideration of such a situation), the memo stand 140 is moved by the applied external force and the guide at the same time The protrusion 130a is released from the locking groove 122a to release the locked state.

The 'locked state' refers to a state in which the elastic restoring force of the driving spring S acts on the guide rod 130 in a state where the guide protrusion 130a is positioned in the locking groove 122a.

In order to release the 'locked state', the external force applied must be greater than the elastic restoring force of the compressed driving spring (S).

When the locked state is released as described above, the guide rod 130 is pushed forward by the elastic restoring force of the driving spring S.

As described above, as the elastic restoring force of the driving spring (S) continues to act on the guide rod 130, the guide protrusion (130a) is guided by the guide groove 122 'right direction' (user chair It refers to the left direction when the seated on the basis, which is used in the same sense throughout this specification) while moving forward while simultaneously rotating.

When the guide protrusion 130a is guided to the end of the guide groove 122, the memo stand 140 is in a state perpendicular to the horizontal plane.

A detailed view of a process in which the guide rod 130 is pushed forward while simultaneously rotating in the right direction by the elastic restoring force of the compressed driving spring S as described above is illustrated in FIG. 10.

10 (a) shows a 'locked state', and in FIG. 10 (b), the guide rod 130 is rotated to the right and pushed forward by the elastic restoring force of the compressed driving spring S. Then, the state where the guide protrusion 130a is located at the front end of the guide groove 122a is shown.

On the other hand, as described above, when the memo stand 140 is in a state perpendicular to the horizontal plane toward the front, by the gravity acting on the memo stand 140, the hinge pivot portion 120 is a hinge shaft ( 111 is rotated downward with respect to the center.

When the hinge pivoting unit 120 rotates about the hinge shaft 111, the memo stand 140 rotates downward to perform a circular motion around the hinge shaft 111.

The memo stand 140 has a faster speed as it moves downward, so that the guide rod 130 passes at the instant of being at right angles to the horizontal plane and passes at the highest speed, so that the stop protrusion 115 stops at the 'storage space'. Inserted into the 'click' and hook-type fastening and fully seated.

The memo stand 140 will be described in more detail a process in which the stop protrusion 115 and the stop groove 126 are seated in the 'storage space'.

FIG. 11 is a detailed view of an operation in which the memo stand is seated and received in FIG. 8.

As shown in FIG. 11, the hinge pivoting portion 120 rotates backward through the lower side by gravity acting on the memo pad 140, and enters between the inner surfaces of the fixing part 113 of the hinge fixing portion 110. Then, the stop projection 115, which has been subjected to the elastic force by the extended stop spring 116, is inserted into the stop groove 126 while walking along the rail portion 127 of the hinge pivot 120 that rotates backward. Will be.

That is, the stop protrusion 115 fixed to the hinge fixing part 110 enters the rail part 127 as the hinge rotating part 120 rotates backward.

The stop protrusion 115 smoothly moves along the rail portion 127 by the shape of the rail portion 127 inclined downward along the edge of the left side surface 120b of the hinge pivoting portion (actually the hinge fixing portion 110). ) Is fixed and as the hinge pivot 120 rotates backward, the rail 127 passes while pressing the stop projection 115).

As described above, the stopping protrusion 115 along the rail 127 formed to be inclined upward toward the stopping groove 126 is inserted into the stopping groove 126.

When the stop protrusion 115 is inserted into and fixed to the stop groove 126 by the hook type, the memo stand 140 is no longer rotated rearward and is housed in a 'storage space' without flow.

In an embodiment of the present invention, the stopping protrusion 115 is provided in the receiving groove 114 having the stepped portion 114a via the stopping spring 116, but is not limited thereto. For example, if the stop protrusion 115 is hooked into the stop groove 126 by a shape that simply protrudes on one side of the fixing part plate 113 of the hinge fixing part 110, the technical scope of the present invention. Of course it belongs.

In one embodiment of the present invention, the storage groove 114, the stop projection 115, the stop spring 116, the stop having a stepped portion (114a) that is configured to seat the memo stand 140 in the 'storage space' The groove 126 and the rail portion 127 are provided on one side of the fixing portion plate 113 of the hinge fixing portion 110 and the left surface 120b of the hinge pivoting portion 120, respectively. Of course, it is not limited to this, further configuring the above configuration on the opposite surface of the fixing part plate 113 and the right side surface 120c of the hinge pivot 120, of course, belongs to the technical scope of the present invention, moreover Obviously, there is no limit to the number of constituents.

The embodiment of the present invention is just one embodiment of the technical idea of the present invention, and in the person skilled in the art, other modified embodiments are possible within the technical idea of the present invention.

One-touch retractable memo stand chair for quick escape in case of an emergency situation of the present invention having the configuration and operation process as described above has the following effects.

First, the lock state is released by applying only one external force (ie, one touch) to the unfolded memo pad 130, and the guide rod (by the elastic restoring force of the compressed driving spring S) is released. By rotating the 130 and simultaneously pushing forward, there is an effect of automatically storing the memo pad in the storage space.

Second, since the external force can be obtained even when the user who is sitting on the chair stands up for an emergency escape or the like, the body part such as the thigh is in contact with the memo pad, so the present invention provides a more convenient memo pad storage environment. do.

Third, since the memo stand can be stored by applying only one external force to the unfolded memo stand 130, the memo stand can be conveniently and quickly stored in the 'storage space'.

Fourth, the memo stand can be stored in the storage space at the shortest rotational angle of the memo stand 140 (for example, only about 90 °) by storing the memo stand through the front. It can be effective.

Fifth, in particular, when a situation in which a user sitting in a chair needs to evacuate urgently such as a fire, terrorism, collapse of a building, or the like, due to the configuration that can be conveniently and quickly stored as described above, There is an effect to evacuate the emergency quickly.

That is, since the memo stand 140 can be stored quickly, there is an effect that the user can wake up quickly from the chair in which the user is sitting in case of a fire, terrorism, collapse of a building, or the like.

Sixth, furthermore, the one-touch retractable memo stand chair for quick escape in case of an emergency according to the present invention has a very positive effect on the implementation trend of an anti-panic construction system of a large building, which has become increasingly important in recent years.

Seventh, by providing the stop projection 115 and the stop groove 126 that can accommodate the memo stand, there is an effect that can be accommodated seated without flow in the storage space.

Claims (5)

In a chair with a note pad: A hinge fixing part interposed between the crust and the side plate to be fixed; A hinge rotating part hinged to the hinge fixing part so as to have an insertion hole and a guide groove formed at one side rearward from an upper surface thereof, and having a guide groove having a locking groove at an end thereof so as to be rotatable vertically; A guide rod having a guide protrusion guided while being perpendicularly rotated by the guide groove and inserted into the insertion hole through an elastic member; And, It is configured to include a memo pad fixed to the guide rod, In the state where the guide projection is located in the locking groove, only the action of a predetermined external force, the guide projection is guided along the guide groove by the elastic restoring force of the compressed elastic member, while the memo stand is standing vertically and continuously forward. A one-touch retractable memo stand chair for quick escape in case of an emergency situation, characterized in that rotated to be stored in the storage space between the crust and the side plate. The method according to claim 1, A stop protrusion protruding from at least one side of an inner surface of the hinge fixing part; And, When the memo stand is configured to further include a stop groove formed on at least one side of the hinge pivot portion corresponding to the position of the stop projection so that the stop projection is inserted when the memo base is stored in the storage space. One-touch retractable memo chair for quick escape. The method according to claim 2, One-touch retractable memo chair for quick escape in case of an emergency situation, characterized in that it further comprises a stop rail is formed to be inclined downward from the stop groove to the side edge so that the stop projection is inserted into the stop groove smoothly. The method according to claim 3, It is formed on at least one side of the inner side of the hinge fixing portion further comprises a receiving groove having a stepped portion, wherein the stop projection is inserted into the stop hole via a stop spring, one-touch storage for quick escape in case of emergency Memo stand chair. The method according to claim 4, The stop projection is a one-touch retractable memo stand chair for quick escape in case of emergency, characterized in that the lower step is formed so as to be caught in the stepped portion of the receiving groove when the stop spring is extended.