KR20150129997A

KR20150129997A - The height adjustable table for speech

Info

Publication number: KR20150129997A
Application number: KR1020140056959A
Authority: KR
Inventors: 유충섭; 김성훈
Original assignee: 유충섭; 김성훈
Priority date: 2014-05-13
Filing date: 2014-05-13
Publication date: 2015-11-23

Abstract

The present invention relates to a lower support (10) which is formed as an enclosure having an opened upper surface and is supported on the floor; An intermediate standing upright (20) having a cylindrical shape and engraved with a pattern (23) such as a cross, a school, a company symbol or the like at a predetermined position in the up and down direction on the front and standing upright on the lower support (10); An upper support 30 for covering the upper end of the intermediate standing upright 20 and having an upper surface mounted with a device such as a microphone or a microphone for sermon, lecture or the like; A movable member 41 coupled to an inner surface of the intermediate upright 20 and having a side surface coupled to an upper end of the movable member 41 and a movable member 41 disposed on an inner surface of the upper support 30, An upper elevating member 42 which is raised and lowered by the movable member 41 by the operation of the movable member 41 and the movable member 41 which is provided on the inner surface of the lower supporting member 10 and is coupled to the lower end of the movable member 41, A bidirectional extending mechanism (40) including a lower elevating member (43) which is lowered and raised by the movable member (41) by the operation of the bidirectional extending mechanism (40); And operating means (50) for operating the movable member (41) of the bidirectional extending and contracting mechanism (40).

Description

The height adjustable table for speech < RTI ID = 0.0 >

The present invention relates to a slider capable of adjusting the height, and more particularly, to a slider capable of adjusting the height of the slider, which is adjustable in height according to the physical condition of the speaker, The present invention relates to a slider capable of maintaining a height.

Generally speaking, people who preach, lecture, or give speeches in churches, conference rooms, auditoriums, lecture rooms, etc. are traditionally standing behind structures (collectively referred to as lectures), such as lectures, lectures, lectures, Bible books, lecture notes, and other materials are placed on the top of the lectern, and a microphone is also provided.

However, these lectures are generally made with their heights fixed. Accordingly, when the key of the lecturer who speaks at the lecture table is relatively small, there is a problem that a separate lug is provided and the lecturer needs to lie on the lug to lecture, so that it is troublesome and the height of the microphone must be readjusted. In addition, when the key of the speaker is relatively large, it is very troublesome to remove the foot pedestal, and there is a problem that the height of the microphone must be readjusted. Moreover, since the Bible book or notebook placed on the lectern stands far away, There is an uncomfortable problem. As described above, there are problems such as the installation and separation of the foot pedestal and the re-adjustment of the microphone height according to the key of the speaker.

In order to solve such a problem, the height adjusting device for dividing the ladder into an upper portion and a lower portion and raising and lowering the upper portion from the lower portion is also provided. However, it is usual to arrange the school, company's symbol and cross on the front of the lecture hall at a certain position based on the length of the lecture stand because of the symbolism and the beauty. As the upper part of the lecture stand is raised and lowered, There is a problem that symbolism and beauty are damaged.

Korean Utility Model Publication No. 20-2008-0002773

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a loudspeaker which is capable of adjusting the height of the loudspeaker in accordance with the physical conditions of the loudspeaker, And a height adjustable smoothing stand in which the beauty of the appearance is maintained.

According to an aspect of the present invention, there is provided an image forming apparatus, comprising: a lower support table (10) having an upper surface opened in an enclosure shape and supported on a floor; An intermediate standing upright (20) having a cylindrical shape and engraved with a pattern (23) such as a cross, a school, a company symbol or the like at a predetermined position in the up and down direction on the front and standing upright on the lower support (10); An upper support 30 for covering the upper end of the intermediate standing upright 20 and having an upper surface mounted with a device such as a microphone or a microphone for sermon, lecture or the like; A movable member 41 coupled to an inner surface of the intermediate upright 20 and having a side surface coupled to an upper end of the movable member 41 and a movable member 41 disposed on an inner surface of the upper support 30, An upper elevating member 42 which is raised and lowered by the movable member 41 by the operation of the movable member 41 and the movable member 41 which is provided on the inner surface of the lower supporting member 10 and is coupled to the lower end of the movable member 41, A bidirectional extending mechanism (40) including a lower elevating member (43) that is lowered and raised by the movable member (41) by the operation of the bidirectional extending / contracting member (40); And an operating means 50 for operating the movable member 41 of the bidirectional extending and contracting mechanism 40. The operation of the bidirectional extending and retracting mechanism 40 causes the intermediate standing upright 20 to move to the lower support The upper support 30 is raised and lowered relatively in the middle upright 20 and the pattern 23 of the middle upright 20 is moved toward the lower support 10 or the upper support 30 A height adjustable ladder is provided which is characterized in that it is prevented from being biased.

According to another aspect of the present invention, the movable member (41) of the bidirectional extension and contraction mechanism (40) is composed of a shaft provided on the upper and lower sides and having threads formed on the outer circumferential surface or the inner circumferential surface, And a pair of nut bodies or screw shafts threadedly coupled to the shaft and formed with threads in opposite directions to each other.

According to another aspect of the present invention, the operating means 50 comprises a motor, a hydraulic pump or a pneumatic pump for operating the movable member 41, and the upper support 30 is provided with the motor, And a switch (60) for controlling the operation of the pump is further provided.

As described above, according to the present invention, by using the bidirectional extending / contracting mechanism 40, the upper support table 30 is lifted and lowered in the intermediate upright table 20 and the intermediate upright table 20 is raised / lowered relatively in the lower support table 10 The height of the lectern can be easily adjusted in accordance with the key of the lecturer so that the lecturer can speak more conveniently. In addition, the lecture chair can be provided with a cross pattern 23 are prevented from being biased toward the upper support base 30 or the lower support base 10, thereby preventing the symbolism of the cross and the beauty of the appearance from being damaged.

Further, the bidirectional extension and contraction mechanism (40) can be elevated and lowered through a mechanical coupling such as a screw connection, which is structurally simple, robust, and cost effective as compared with a hydraulic cylinder or a pneumatic cylinder, . At this time, since the switch 60 for controlling the motor or the like for operating the bidirectional extension and contraction mechanism 40 is provided on the upper support 30, the speaker can more easily adjust the height of the slide table in accordance with its own key, There is an effect to be improved.

1 is a perspective view showing an embodiment of a height adjustable pedestal according to the present invention;
2 and 3 are side sectional views showing the operation of the slide table of Fig.
Fig. 4 is a plan view of the lecture table of Fig. 1
Fig. 5 is a front view showing a normal state of the lectern of Fig. 1
6 is a front view showing a state in which the height of the lecture stand of Fig. 5 is adjusted; Fig.

The objects, features and advantages of the present invention will become more apparent from the following detailed description. Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a perspective view of a height adjustable pedestal according to a preferred embodiment of the present invention, FIGS. 2 and 3 are views showing the operation of the lectern of FIG. 1, and FIG. 4 is a plan sectional view of FIG.

As shown in the drawing, the height adjustable bar stool according to an embodiment of the present invention includes a lower support 10, an intermediate upright 20 provided upright on the lower support 10, A bidirectional extending and contracting mechanism (not shown) for raising and lowering the upper standing table 30 on the intermediate standing table 20 and elevating the intermediate standing table 20 on the lower table 10 40), and operating means (50) for operating the bidirectional extending and contracting mechanism (40). Here, the lecture hall is collectively referred to as a lecture hall, a lecture hall, a lecture hall, a lecture hall, a speech stand, and a speech hall as mentioned in the background art.

The lower support (10) is formed as an enclosure having an open top, and a top end stop (11) is formed at an upper end of an inner side surface of the side wall. The upper support 30 is formed as a hollow shape having a lower surface opened, and a lower end stop 31 is formed at the lower end of the inner side surface of the side wall. In addition, the upper surface of the upper support 30 is normally formed to be inclined so that the pastor, lecturer, etc. can preach and read Bibles for lecture.

The middle upright stand 20 is formed in a cylindrical shape and is vertically provided between the lower support 10 and the upper support 30 so that the upper and lower supports 20 can be raised and lowered inside the upper and lower supports 30, Lt; / RTI > In the illustrated embodiment, the middle standing bar 20 is made of a rectangular cylinder made of front and rear face plates and left and right side plates, and the lower and upper supporting rods 10 and 30 are formed so that the lower and upper ends of the middle standing rib 20 are fitted And a square enclosure. At this time, an upper projection 21 hanging on a lower holding jaw 31 of the upper support table 30 protrudes outward and an upper holding jaw 11 The upper protrusions 22 and the intermediate upstands 20 are prevented from being separated from each other even if the upper and lower stands 30 and 20 are raised and lowered. And a pattern 23 such as a cross, a symbol of a school or a company, or various other types of marks is formed at an intermediate portion of the front plate of the intermediate upright stand 20.

The bidirectional extension and contraction mechanism 40 includes a movable member 41 provided on the intermediate upright 20 and a movable member 41 provided on the upper and lower supports 30 and 10 to be movable up and down Upper and lower elevating members (42, 43). Accordingly, the upper and lower supports 30 and 10 are relatively lifted and lowered at the intermediate uprights 20, so that the upper support 30 is lifted from the intermediate uprights 20 on the basis of the bottom, (20) is lifted and lowered from the lower support (10).

In the illustrated embodiment, the movable member 41 is rotatably coupled to a bracket 24 disposed on the inner side of the intermediate standing upright 20 and extending vertically inside the intermediate standing upright 20, The upper and lower elevating members (42, 43) are vertically projected from the bottom surface of the upper and lower supports (30, 10) and are screwed to the shaft Axis, but it is not limited to such a structure. For example, the movable member 41 is a shaft (screw shaft) having threads formed on the outer circumferential surface thereof, and the upper and lower elevating members 42 and 43 are fixed to the bottom surface of the upper and lower supports 30 and 10, And a nut member in which the shaft (screw shaft) is screwed. It is preferable that a plurality of the movable members 41 are provided, and as shown in FIG. 4, four movable members 41 are installed to support the vertex portions of the upper support 30.

The operating means 50 operates the movable member 41 of the bidirectional extending and contracting mechanism 40. In the illustrated embodiment, the movable member 41 is a motor for rotating the shaft in the normal and reverse directions. However, The rotary knob for rotating the movable member 41 may be manually operated so that the rotary knob is exposed to the side of the upper support 30, the lower support 10, or the intermediate upright 20. At this time, the plurality of movable members 41 are configured to be drive-connected to the drive belt 51, and are simultaneously operated by driving the motor.

The switch 60 is provided on the upper support 30 and controls the operation of the motor as the operating means 50. For example, as shown in Fig. 1, the switch 60 is provided with an arrow pointing forward and backward with respect to the position of the speaker When the user presses an arrow pointing forward of the switch 60, the motor is rotated in a positive direction so that the movable member 41 is rotated in one direction, so that the upper and lower elevating members 42, The upper and lower elevating members 42 and 43 are lowered and raised by the movable member 41 as the movable member 41 is rotated in the opposite direction by rotating the motor in the reverse direction .

The operation of the height-adjustable slide table according to an embodiment of the present invention will now be described with reference to FIGS. 2, 3, 5, and 6. FIG. 5 is a diagram showing the state of a normal lecture band, and Fig. 6 is a diagram showing a state of a lecture band whose height is adjusted.

5, when the lecturer presses an arrow directed to the front of the switch 60, when the lecturer presses the forward direction of the motor, which is the operating means 50, The upper support 30 and the lower support 10 are raised and lowered at the same time in the middle upright 20 as the upper and lower supports 42 and 43 are lifted and lowered by the movable member 41, So that the intermediate upright stand 20 relatively rises at the lower support 10. 6, the distance L1 at which the upper support 30 is relatively raised in the intermediate uprights 20 is greater than the distance L2 at which the intermediate uprights 20 are lifted from the lower support 10 The pattern 23 engraved on the intermediate upright stand 20 is not shifted toward the upper support 30 when viewed from the front of the ladder stand and is disposed as it is in the middle of the front stand so that symbolism and aesthetics such as crosses are prevented from being damaged .

On the other hand, when the lecturer presses an arrow pointing to the rear of the switch 60, when the lecturer presses the backward direction of the switch 60, As the upper and lower elevating members 42 and 43 are lowered and raised by the movable member 41, the upper supporting frame 30 is lowered from the intermediate standing frame 20 and the middle standing frame 20 is lowered (10). 5, since the distance L1 at which the upper support 30 is lowered from the intermediate uprights 20 is equal to the distance L2 at which the middle uprights 20 descend from the lower support 10, The pattern 23 engraved on the intermediate upright stand 20 is not shifted toward the lower support 10 when viewed from the front of the ladder stand and is disposed as it is in the middle of the front face so that the symbolism and the beauty of the cross are prevented from being damaged.

On the other hand, unlike in the above embodiment, the movable member 41 is constituted by a hydraulic cylinder or a pneumatic cylinder, and the upper and lower elevating members 42 and 43 are constituted by a pair of piston rods stretched and contracted at the upper and lower ends of the cylinder It is possible. At this time, a hydraulic tank or an air tank for supplying fluid or air to the cylinder is installed in the middle standing upright 20.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. It will be apparent to those of ordinary skill in the art.

Claims

A lower support (10) formed in an enclosure shape having an opened upper surface and supported on the floor;
An intermediate standing upright (20) having a cylindrical shape and engraved with a pattern (23) such as a cross, a school, a company symbol or the like at a predetermined position in the up and down direction on the front and standing upright on the lower support (10);
An upper support 30 for covering the upper end of the intermediate standing upright 20 and having an upper surface mounted with a device such as a microphone or a microphone for sermon, lecture or the like;
A movable member 41 coupled to an inner surface of the intermediate upright 20 and having a side surface coupled to an upper end of the movable member 41 and a movable member 41 disposed on an inner surface of the upper support 30, An upper elevating member 42 which is raised and lowered by the movable member 41 by the operation of the movable member 41 and the movable member 41 which is provided on the inner surface of the lower supporting member 10 and is coupled to the lower end of the movable member 41, A bidirectional extending mechanism (40) including a lower elevating member (43) that is lowered and raised by the movable member (41) by the operation of the bidirectional extending / contracting member (40); And
And actuating means (50) for actuating the movable member (41) of the bidirectional extending and contracting mechanism (40)
The operation of the bidirectional extension and contraction mechanism 40 causes the intermediate standing upright 20 to be lifted and lowered from the lower support table 10 while the upper support table 30 is relatively lifted up and down in the intermediate standing upright 20, Is prevented from being biased toward the lower support (10) or the upper support (30) more than the initial state.

2. The apparatus according to claim 1, wherein the movable member (41) of the bidirectional extensible mechanism (40) is vertically installed and comprises a shaft having an outer circumferential surface or a thread formed on an inner circumferential surface thereof, Wherein the threaded shaft is composed of a pair of nut bodies or screw shafts which are screwed to each other and whose threads are formed in mutually opposite directions.

3. The apparatus according to claim 1 or 2, wherein the operating means (50) comprises a motor, a hydraulic pump or a pneumatic pump for operating the movable member (41) And a switch (60) for controlling the operation of the pneumatic pump is further provided.