JPH07259358A - Hearing-inspection chamber - Google Patents

Abstract

PURPOSE:To provide a hearing-inspection chamber capable of being easily assembled and disassembled by one operator. CONSTITUTION:A side plate 22 is erected stably on a baseplate 21 only by placing the side plate 22 on the baseplate 21 by forming bent sections 22A and 22B to both side faces of the side plate 22. Side plates 23, 24 are mounted on the side plate 22, and a door frame 25 and a top plate 27 are installed, thus resulting in the easy assembly of an auditory-acuity inspection chamber 2 by one operator.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hearing test room, and particularly to a hearing test room which can be disassembled and transported.

[0002]

2. Description of the Related Art Conventionally, it has been necessary to perform a hearing test in a quiet environment. For example, if the ambient noise cannot be ignored in the examination, the examinee is placed in a hearing test room that forms a sound-insulated space to perform the examination, and an accurate hearing test without the influence of external sound is performed. I do. Here, the hearing test room includes, for example, a fixed hearing test room installed in a medical institution such as a hospital. On the other hand, there is a portable hearing test room which can be disassembled and assembled and can be transported to a desired place by reducing its weight. This portable hearing test room can be installed according to the place to be inspected, so it is possible to reduce the time and labor required for the examinee to visit a medical institution and reduce the cost (number of persons x time, etc.) required to move the examinee. It is widely applied due to its capability.

As shown in FIG. 12, a conventional portable hearing test room 1 includes a bottom plate 2, three side plates 3, 4, 5 each having a sound insulation structure, an entrance / exit door member 6 and a top plate 7. It is formed in a rectangular parallelepiped shape as a whole, so that the noise level in the room is kept low. The entrance / exit door member 6 is openably / closably attached to the side plate 5 by hinges 8A and 8B. A window 9 made of a transparent material (for example, acrylic resin) is provided on the upper portion of the side plate 4, and an examiner can exchange a simple communication with a subject in the room through the window 9. ing.

Further, a panel 10 provided with a plurality of relay terminals is provided below the window 9, and an audiometry device (not shown) such as an audiometer installed outdoors through the panel 10. It is designed to be relayed with a cable (not shown) for connecting a handset (not shown) installed in the audiometry room. A lighting device 11 is attached to the inner side surface of the side plate 4 so that the interior of the side plate 4 is illuminated with appropriate brightness. Further, a ventilation fan 12 is provided on the top plate 7, and the air in the room is prevented from stagnation by ventilating the room using the ventilation fan 12.

Thus, in the hearing test room 1, the noise level outside the room can be sufficiently shielded as necessary, and the environment inside the room can be comfortably prepared for the hearing test, so that an accurate hearing test can be performed. It is made to be able to be done.

[0006]

By the way, in the portable hearing test room 1 of this kind, it is constructed so that it can be disassembled in order to facilitate transportation.
The door member 6 for entrance / exit, the bottom plate 2 and the top plate 7 are disassembled, and at the time of assembly, the disassembled members 2 to 7 are fastened by connecting means such as bolts.

That is, when assembling the hearing test chamber 1, as shown in FIG. 12, first, the bottom plate 2 is placed on the square members 13A and 13B, and the side plate 3 is erected on one side of the bottom plate 2 so that the bottom plate 2 is upright. Through hole 1 formed in bottom plate 2 from the bottom side
The side plate 3 is attached to the bottom plate 2 by screwing a bolt through a screw hole (not shown) formed in the lower surface of the side plate 3 through 4. Similarly, the side plates 4 and 5 are also mounted on the bottom plate 2 by screwing bolts from the bottom surface side of the bottom plate 2 to the lower surfaces of the side plates 4 and 5.

Next, after removing the square members 13A and 13B, the top plate 7 is placed with the top plate 7 placed on the upper surfaces of the side plates 3 to 5.
The top plate 7 is attached by screwing bolts into the screw holes 16 formed on the upper surfaces of the side plates 3 to 5 through the through holes 15 formed in the top plate 7 from the upper surface side of the above. At this time, the cord 17 provided on the upper end of the side plate 4 and the fan cord 18 provided on the top plate 7 are connected. Finally, the entrance / exit door member 6 is openably / closably attached to the side plate 5 via the hinges 8A and 8B.

However, in the above-mentioned assembly work, when the side plates 3 to 5 are mounted on the bottom plate 2, the side plates 3 to 5 before being screwed are placed on the bottom plate 2 in a very unstable state, and therefore at least. It is necessary for one worker to support the side plates 3 to 5 while another worker performs screwing work. Similarly, the side plate 3 with the bolts removed during disassembly
In order to prevent the .about.5 from falling, another operator who supports the side plates 3 to 5 is required in addition to the operator who removes the bolt. Further, since the side plates 3 to 5 are all fastened to the bottom plate 2 and the top plate 7 by bolts, there is a problem that complicated labor and time are required. Therefore, it would be very convenient if this assembling and disassembling work could be easily performed by one operator.

The present invention has been made in consideration of the above points, and an object thereof is to propose a hearing test room which can be easily assembled and disassembled by one operator.

[0011]

In order to solve such a problem, in the present invention, a rectangular bottom plate 21 and a bottom plate 2 are used.
1st, 2nd, 3rd mounted upright on each side of 1
Side plates 22 to 24 and door members 25 and 26 for entrance and exit,
A sound insulation space is formed inside by the first, second and third side plates 22 to 24 and the top plate 27 which is attached so as to face the bottom plate 21 through the entrance / exit door members 25 and 26, and the bottom plate 21 is formed. , Side plates 22 to 24, door member 2 for entry and exit
5, 26 and the top plate 27, in the hearing test chamber 20, which can be respectively disassembled, the first, second and third side plates 22 to 24 or the entrance / exit door member 25, or the first, second and third side plates. 22 to 24 or the bottom plate 2 corresponding to the entrance / exit door member 25
1 is formed on the bottom plate 21, and the first, second, and third side plates 22 to 24 or the entrance / exit door member 25 are simply placed on the bottom plate 21, and the first, second, and third side plates 22 to 24 or Upright holding means 22A for stably holding the exit door member 25 in an upright state,
22B, 41, 42, 60A, 60B, 61A, 61
B and 62 are provided.

In the present invention, the upright holding means is
The first, second, and third side plates 22 to 24 or the bent portions 22A and 22B formed at both side ends of the door member 25 for entrance and exit.

Further, in the present invention, the upright holding means includes a fitting hole 42 formed on the inner surface of the first, second and third side plates 22 to 24 or the entrance / exit door member 25, and a fitting hole 42. Is provided on the bottom plate 21 facing the
And a latch member 41 which is fitted into and removed from the latch member 41.

Further, in the present invention, the upright holding means is formed on one side of the bottom plate 21 on which the first, second and third side plates 22 to 24 or the entrance / exit door member 25 are upright. 2. The groove 62 into which the third side plate 22 to 24 or the door member 25 for entrance / exit is fitted.

Further, in the present invention, positioning grooves 33 for positioning the first, second and third side plates 22 to 24 and the entrance / exit door member 25 at predetermined positions on the bottom plate 21 are provided on the four sides of the bottom plate 21. 34 is formed.

Further, in the present invention, the hearing test room 20.
The first, second, and third side plates 22 to 24 and the entrance / exit door member 25 are provided with connecting means 43, 44 for connecting the adjoining side plates and the entrance / exit door member by a pulling force.

[0017]

The first to third side plates 22 to 24 or the entrance / exit door member 25 are placed upright on the bottom plate 21 and stably stand upright. As a result, an operator who supports the first to third side plates 22 to 24 or the entrance / exit door member 25 becomes unnecessary. If the first to third side plates 22 to 24 or the entrance / exit door member 25 are sequentially attached to the stable first to third side plates 22 to 24 or the entrance / exit door member 25, it will be easy. The hearing test room 20 can be assembled. Thus, it is possible to realize the hearing test room 20 which can be easily assembled and disassembled by one operator.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.

In FIG. 1, reference numeral 20 designates a portable hearing test chamber as a whole, including a bottom plate 21, side plates 22, 23, 24, and
Each member of the door frame 25, the door 26, and the top plate 27 can be disassembled, and one person can easily assemble, disassemble, and transport. As shown in FIG. 2, the bottom plate 21, the side plates 22 to 24, the door 26, and the top plate 27 are provided with a steel plate 29 on the outer side and a punching metal 30 with a large number of holes formed on the indoor side so as to sandwich the glass wool 28. It has been configured. As a result, the hearing test room 20 absorbs the external sound by the steel plate 29 and the glass wool 28 and absorbs the sound generated in the room by the glass wool 28 through the punching metal 30 to block the external sound and reduce the sound generated in the room. Prevents echoes and keeps the room quiet.

A double window 31 in which a transparent material (for example, acrylic resin or the like) is doubly overlapped at a predetermined interval is provided on the upper portion of the side plate 23. It is designed so that a simple communication can be exchanged with the subject. A floor mat 32 is attached to the bottom plate 21.

Here, on each side of the bottom plate 21, as shown in FIG. 3, positioning grooves 33, 34 are formed according to the plate thicknesses of the side plates 22 (23, 24) and the door frame 25, respectively. . As a result, the operator can easily bring the side plates 22 (23, 24) and the door frame 25 into predetermined positions on the bottom plate 21 by simply aligning the side plates 22 (23, 24) and the door frame 25 with the positioning grooves 33, 34. Can be positioned. Further, rubber members 35 and 36 are provided on the surfaces of the positioning grooves 33 and 34, so that when the side plates 22 (23, 24) and the door frame 25 are placed on the bottom plate 21, the rubber members 3 are provided.
It is pressure-bonded to the bottom plate 21 via 5, 36.

Similarly, on each side of the top plate 27, as shown in FIG. 4, grooves 37 and 38 corresponding to the plate thicknesses of the side plates 22 (23 and 24) and the door frame 25 are formed. At the same time, rubber members 39 and 40 are embedded in the grooves 37 and 38. As a result, the top plate 27 is simply placed on the side plates 22 (23, 24) and the door frame 25, and the side plates 22 (23, 2, 2).
4) and the door frame 25 are crimped.

In addition to the above structure, as shown in FIG.
Bent portions 22A and 22B that are bent substantially at right angles to the direction of the door frame 25 are formed at both ends of the side plate 22, so that the side plate 22 is formed in a U-shape in plan view as a whole. As a result, the side plate 22 can be stably placed upright on the bottom plate 21 by being supported by the bent portions 22A and 22B only by placing the side plate 22 alone on the bottom plate 21.

A latch member 41 is provided on the bottom plate 21 facing the one bent portion 22A of the side plate 22.
As shown in FIG. 5, the latch member 41 has a structure in which when the knob 41A is moved in the direction of arrow a or in the opposite direction, the protrusion 41B projects or retracts in the direction of the bent portion 22A in response thereto. The protruding portion 41B that is protruding is the bent portion 2
It is adapted to be fitted into the bent portion 22A through a fitting hole 42 formed in 2A. Thereby, the latch member 41
By holding the side plate 22, the bottom plate 21 of the side plate 22
The stability above has been further improved.

Joint members 43 are provided on both side ends of the side plates 23 and 24, respectively, and receiving fittings 44 for receiving the joint members 43 are attached to both side ends of the side plate 22 and the door frame 25 corresponding thereto. There is. Here, the joint member 43 and the receiving metal fitting 44 form a so-called panel fastener that connects the two members by a tensile force. As shown in FIG. 6, the joint member 43 has an eccentric cam 45 and an arm 46 that is pulled in the direction of the arrow b in accordance with the rotation of the eccentric cam 45, and the arm 46 is attached to the pin 47 of the metal fitting 44. By rotating the eccentric cam 46 with the hexagonal wrench 48 (FIG. 1) in the hooked state, the entire receiving fitting 44 is pulled toward the joint member 43 shown by the arrow b.

Thus, the side plate 22, the side plate 23, the side plate 22
The end faces of the side plate 24, the side plate 23 and the door frame 25, and the end faces of the side plate 24 and the door frame 25 are pressure-bonded to each other by the tensile force of the joint member 43, and are connected so that no gap is generated between the members. Further, rubber (not shown) is provided on the end faces of the side plates 22 to 24 and the door frame 25, respectively, which suppresses the intrusion of external sound from the pressure-bonding surface and improves the soundproof performance.

The shaft parts 45A and 45B of the flag hinges are attached to the upper and lower positions on the front side of the door frame 25, and the bearing parts 4 of the flag hinges 4 to the corresponding upper and lower positions of the door 26.
6A and 46B are attached to the bearings 46A and 4B.
By inserting the shaft portions 45A and 45B into 6B, the door 26 can be attached to the door frame 25 in an openable and closable manner.

Here, as shown in FIG. 7, the shaft portion 4 of the flag hinge.
Shaft part 45 attached to the upper position of 5A and 45B
A is formed such that the length of the shaft 47 inserted into the bearing portion 46A is shorter than the length of the shaft 48 of the shaft portion 45B attached to the lower position, whereby the worker firstly receives the shaft 48 of the lower flag hinge. The shaft 47 of the upper flag hinge can be inserted into the bearing part 46A after the shaft is inserted into the bearing part 46B for positioning, which is much easier than in the case where both the upper and lower shafts 47 and 48 are formed to have the same length. The door 26 can be attached to the door frame 25.

Incidentally, a bellows-like rubber packing (not shown) and the inside of the rubber packing are provided on the contact surfaces of the door frame 25 and the door 26 when the door 26 is closed with respect to the door frame 25. A rubber magnet (not shown) composed of a magnet provided in the door 26 is provided, and the door 26 is securely closed without a gap between the door 26 and the door frame 25 due to the attraction force of the rubber magnet. Has been done.

Of the glass wool 28 filled in the side plate 24, the glass wool 28 at the lower position is the side plate 24.
A ventilation passage (not shown) is formed by cutting out in a tunnel shape along the lower surface of the steel plate, and at a position of the steel plate 29 that corresponds to one end of the ventilation road, a large number of holes that penetrate the thickness of the steel plate 29 are formed. Small holes (not shown) are provided. As a result, the hearing test room 20 can ventilate the air in the room through the small hole of the punching metal 30 that corresponds to one end of the ventilation path and the small hole of the steel plate 29 that corresponds to the ventilation path and the other end of the ventilation path, and at the same time, use the glass wool 28 having a long path. The glass wool 28 absorbs the external sound that has entered through the small holes of the steel plate 29 in the ventilation path to a necessary and sufficient extent to keep the room quiet. As a result, the hearing test room 20
As compared with the case where a ventilation fan is attached, it can be easily assembled and disassembled, and the overall weight can be reduced.

Further, in the case of the embodiment, the bent portion 2 of the side plate 22.
The length from 2A to the bent portion 22B is selected to be slightly longer than the width of the side plate 24. As a result, as shown in FIG. 8A, when the side plate 24 is superposed on the side plate 22, the side plate 2
4 fits between the bent portions 22A and 22B of the side plate 22,
It can be compactly stored in the wooden frame 51. At this time, the packing 52 is provided in the gap between the wooden frame 51 and the side plates 22 and 24.
Is provided so that the side plates 22 and 24 in the wooden frame 51 are provided.
It is possible to prevent rattling.

Similarly, as shown in FIG. 8B, the door frame 2
5, the side plate 23 just fits in, the door frame 25 and the side plate 23 are compactly stored in the wooden frame 53, and as shown in FIG. 8C, the door 26, the bottom plate 21, and the top plate 2
7 is compactly stored in the wooden frame 54. All the disassembled members are compactly housed and packed in the wooden frames 51, 53, and 54, which facilitates transportation.

In the above structure, when assembling the hearing test chamber 20, first, the side plate 2 is provided on a predetermined side of the bottom plate 21.
Make 2 upright. At this time, the side plate 22 is positioned at a predetermined position on the bottom plate 21 by the positioning groove 33, is held by the bent portions 22A and 22B, and stands upright on the bottom plate 21 in a stable state. Furthermore, the side plate 22 is formed by the latch member 41.
By fixing the side plate 22, the side plate 22 stands upright on the bottom plate 21 in a more stable state, and this upright state can be maintained even when there is wind or the like.

Next, the side plates 23 and 24 are attached to the side plate 22. At this time, the operator positions the side plates 23 and 24 at predetermined positions by means of positioning grooves (not shown), and then the joint member 43 with respect to the receiving fitting 44 of the side plate 22 in the upright state.
The eccentric cam 45 of the joint member 43 is rotated by the hexagon wrench 48 from the inner surface side of the side plates 23 and 24. As a result, the side plates 23 and 24 are connected to the side plate 22 by the tensile force of the joint member 43.

Next, the worker installs the side plates 23 and 24 on the side plate 22 in the same manner as when the side plates 23 and 24 are attached.
The door frame 25 is attached to 4. Therefore, the worker can easily connect the plate members to each other with the single joint member 43, so that the members can be assembled remarkably as compared with the case where the plural members are screwed to each member by using, for example, bolts. The work can be simplified.

Next, the worker attaches the door 26 to the door frame 25, and then mounts the top plate 27 on the upper surfaces of the side plates 23 to 24 and the door frame 25. In this way, the hearing test chamber 20 only needs to sequentially connect the side plates 23 and 24 to the side plate 22 which is stably erected on the bottom plate 21, so that another operator who supports the side plate 22 is unnecessary and can be easily operated by one person. Can be assembled. Further, since the hearing test chamber 20 can perform all the assembling work of the side plates 22 to 24 and the door frame 25 inside the room, it can be easily installed in the corner of the room 56 as shown in FIG.

When the hearing test chamber 20 is disassembled, the work is completely opposite to the above-mentioned assembling work. Since the operator supporting the side plates 22 to 24 is unnecessary during the disassembling work, one operator can easily perform the disassembling work. Thus, the operator alone can easily and easily listen to the hearing test room 20.
Can be assembled and disassembled.

According to the above construction, the side plates 22 are formed with the bent portions 22A and 22B at both ends of the side plate 22 so that the side plates 22 are bottom plates 21.
By making it possible to stand upright stably, it is possible to realize the hearing test room 20 in which only one worker can easily perform the assembly and disassembly work. Also, on each side of the bottom plate 21, the side plates 22 (23, 24) and the door frame 2 are provided.
By forming the positioning grooves 33 and 34 according to the respective plate thicknesses of No. 5, the side plate can be easily positioned on the bottom plate 21, and the assembling work can be facilitated. Further, since the side plates 22 to 24 and the door frame 25 are connected by the pulling force of the joint member 43, it is possible to realize the hearing test chamber 20 that can be more easily assembled and disassembled.

In the above-mentioned embodiment, the side plate 2 is formed by forming the bent portions 22A and 22B.
Although the case where the side plate 22 is made to stand upright on the bottom plate 21 in a stable state only by mounting the side plate 22 on the bottom plate 21 has been described, the present invention is not limited to this and, for example, as shown in FIG. 60A protruding toward the bottom plate 21 on the lower surface of the
And 60B, holes 61A and 61B are provided on the bottom plate 21 corresponding thereto, and the projections 60A and 60B are fitted into the holes 61A and 61B so that the side plate 22 can be stably erected on the bottom plate 21. Good.

Further, as shown in FIG. 11, a groove 62 having a width substantially equal to the thickness of the side plate 22 is provided on one side of the bottom plate 21,
The side plate 22 may be set upright on the bottom plate 21 by fitting the side plate 22 in the groove 62. In short, the side plate 22 and / or the bottom plate 21 hold the side plate 22 upright on the bottom plate 21 in a stable state. Thus, the upright holding means may be formed. Needless to say, the stability of the side plate 22 can be further improved by providing the side plate 22 with the above-described bent portion and using the groove 62 together.

Further, in the above-mentioned embodiment, the bent portions 22A and 22B are formed at both ends of the side plate 22, and the side plates 23 and 24 are connected to the side plate 22 which is upright on the bottom plate 21 in a stable state. Although the case where the door frame 25 is connected to the side plates 23 and 24 has been described, the present invention is not limited to this. For example, a bent portion is formed on the side plate 24, and the bottom plate 21 is supported by the bent portion. The adjacent side plate 22 and the door frame 25 may be connected to the side plate 24 that is stable and upright. In short, any one of the side plates 22 to 24 or the door frame 25 may be connected to the side plate 22 to 24 or The door frame 25 and the bottom plate 21
Just put it on the side plates 22 to 24 or the door frame 25.
The upright holding means may be formed on the bottom plate 21 so as to stably stand upright.

[0042]

As described above, according to the present invention, the first, second and third side plates or door members for entrance and exit, or the first, second and third side plates or door members for entrance and exit are provided. It is formed on the corresponding bottom plate, and the first, second, third side plates or entrance / exit door members are erected only by mounting the first, second, third side plates or entrance / exit door members on the bottom plate. Since the upright holding means for stably holding the state is provided, it is not necessary for a worker to support the first, second, and third side plates or the door member for entry and exit at the time of assembly and disassembly, and one operator can It is possible to realize a hearing test room that can be easily assembled and disassembled.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing the overall configuration of an embodiment of a hearing test room according to the present invention.

FIG. 2 is a sectional view for explaining a sound insulating structure of a bottom plate, side plates, a top plate, and a door.

FIG. 3 is a cross-sectional view of a bottom plate provided for explaining attachment of a side plate and a door frame to the bottom plate.

FIG. 4 is a cross-sectional view of a top plate used for explaining attachment of the top plate to the side plate and the door frame.

FIG. 5 is a cross-sectional view for explaining a latch member.

FIG. 6 is a schematic diagram showing a joint member and a receiving metal fitting partially broken away.

FIG. 7 is a perspective view for explaining a flag hinge.

FIG. 8 is a perspective view showing a packed state of the hearing test room.

FIG. 9 is a plan view showing an example of the installation position of the hearing test room in the room.

FIG. 10 is a perspective view showing an upright holding means of another embodiment.

FIG. 11 is a perspective view showing an upright holding means of another embodiment.

FIG. 12 is a perspective view showing a conventional hearing test room.

[Explanation of symbols]

1, 20 ... hearing test room, 2, 21 ... bottom plate, 3-5,
22 to 24 ... Side plate, 6, 26 ... Door, 25 ... Door frame, 7, 27 ... Top plate, 22A, 22B ... Bent portion, 3
3, 34 ... Positioning groove, 41 ... Latch member, 42 ...
... Fitting hole, 43 ... Joint member, 44 ... Receiving metal fitting, 60
A, 60B ... Protrusion, 61A, 61B ... Hole, 62 ...
groove.

Claims (6)

[Claims] 1. A quadrangular bottom plate, first, second and third side plates and entry / exit door members mounted upright on each side of the bottom plate, and the first, second and third door members. A sound insulation space is formed inside by the side plate and the top plate that is attached so as to face the bottom plate through the entrance / exit door member, and can be disassembled into the bottom plate, the side plate, the entrance / exit door member, and the top plate. In a hearing test room, it is formed on the first, second, and third side plates or entrance / exit door members, or on the bottom plate corresponding to the first, second, third side plates, or entrance / exit door members. The first, second, third side plates or the entrance / exit door members are stabilized in an upright state simply by placing the first, second, third side plates or the entrance / exit door members on the bottom plate. A hearing test room characterized by comprising an upright holding means for holding the upright. 2. The upright holding means comprises bent portions formed at both ends of the first, second and third side plates or the entrance / exit door member. Hearing test room. 3. The upright holding means is provided on a fitting hole formed in an inner surface of the first, second, and third side plates or an entrance / exit door member, and on the bottom plate facing the fitting hole. The hearing test room according to claim 1, further comprising a latch member that is provided and fits in the fitting hole so that the fitting hole can be inserted into and removed from the fitting hole. 4. The upright holding means is formed on one side of the bottom plate on which the first, second and third side plates or the entrance / exit door members are upright, and the first, second, and
The hearing test room according to claim 1, wherein the third side plate or the entrance / exit door member is a groove into which the third side plate or the entrance / exit door member is fitted. 5. A positioning groove for positioning the first, second and third side plates and the entrance / exit door member at predetermined positions on the bottom plate is formed on four sides of the bottom plate. The hearing test room according to Item 1. 6. The hearing test room comprises a connecting means for connecting the side plates and the entrance / exit door member adjacent to each other of the first, second and third side plates and the entrance / exit door member by a pulling force. Claim 1 characterized by the above.
Hearing test room described in.