JP7018178B1 - Soundproof box device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To feel a feeling of a private room by blocking the sound and the visual field around a worker with a simple device even in a workplace such as an office or at home. SOLUTION: A soundproof box device 10 is provided on a base portion 20 installed around an operator who stands up or sits on a chair, a strut portion 30 standing on the base portion 20, and an upper portion of the strut portion 30. A soundproof box that is provided and is attached to the upper part of the support column 30 via the arm portion 40 and the arm portion 40 that protrudes toward the worker side, and covers the worker's head in a soundproof state by the sound absorbing material 54 provided inside. Equipped with 50. [Selection diagram] Fig. 2

Description

The present invention relates to a soundproof box device for creating a feeling of a private room by blocking the sound and view around the operator.

With the spread of telework, there are increasing opportunities to hold web conferences using terminals such as personal computers at work such as offices and at home. When conducting a web conference, the voices and noises of people around the worker may be annoying and it may not be possible to concentrate on the conference, or the voice of the worker himself may affect the surrounding workers. Patent Document 1 discloses an invention of a desktop soundproof screen. This tabletop soundproof screen consists of a support panel installed on the front side of the worker on the tabletop, and two support members consisting of an L-shaped metal rod extending rearward on the upper part of the support panel, which is the worker side. It is equipped with a soundproof panel that is fixed to each of the two support members and installed so as to cover both sides of the operator. The support panel and the soundproof panel have a sound absorbing member interposed between the plate members made of plywood. The support panel blocks the front view and sound of the worker, and the soundproof panel blocks the view and sound of the worker's side. I try to block it.

Patent Document 2 discloses an invention of a tabletop soundproofing suitate. This tabletop soundproof tsuitate comprises three panels having a soundproof structure and a size that can be used on a tabletop, and the three panels are foldably connected to each other by hinges. This tabletop soundproof tsuitate can be installed upright on the tabletop by spreading the panel appropriately on the tabletop. Further, each panel of the tabletop soundproofing suitate is composed of plywood, a sound insulating sheet adhered to the plywood, a sound absorbing material adhered to the sound insulating sheet, and a cloth material adhered to the sound absorbing material.

Utility Model Registration No. 322560 Gazette Japanese Unexamined Patent Publication No. 9-098867

Since the desktop soundproof screen of Patent Document 1 and the desktop soundproof tsuitate of Patent Document 2 are installed and used on a desk such as a desk, the operator can use these desktop soundproof screens only by performing the work on the desk such as a desk. And the tabletop soundproof tsuitate could not be used. Further, in the desktop soundproof screen of Patent Document 1, a support panel is installed on the front side of the worker, and soundproof panels are installed on both sides of the worker. Not only is it easier for the voices and sounds of surrounding workers to be transmitted to the workers, but also the voices of the workers are easily transmitted to other workers, and the sound insulation was not sufficient. .. Further, the tabletop soundproofing counter of Patent Document 2 also uses three panels installed on the tabletop to block the surrounding sound, but not only the upper side of the three panels is open, but also the worker's Since it does not cover the sides immediately, not only is it easier for the voices and sounds of surrounding workers to be transmitted to the workers from the top and sides of the panel, but also the voices of the workers are heard from the top and sides of the panel. It was easy to convey to the workers, and the sound insulation was not sufficient. The present invention is a simple device at work or at home such as an office, which prevents the voice and sound of the worker from leaking to the outside and blocks the sound and view around the worker to give a feeling of a private room. The purpose is to be able to.

In order to solve the above problems, the present invention is attached to a base portion installed around a worker standing up or sitting on a chair, a support portion standing on the base portion, and an upper portion of the support portion. It is equipped with a soundproof box that covers the worker's head in a soundproof state with a sound absorbing material provided inside, and the soundproof box has a left half that covers the left side of the worker's head and a right that covers the right side of the worker's head. It is provided with a soundproof box device which is composed of a half part and is characterized in that the left half part and the right half part are combined so as to cover the worker's head so as to be openable and closable .

The soundproof box device configured as described above is attached to a base portion installed around a worker who stands up or sits on a chair, a support portion standing on the base portion, and an upper portion of the support portion. Since it is equipped with a soundproof box that covers the worker's head in a soundproof state with the sound absorbing material provided inside, the base is installed around the worker and the worker's head is covered with the soundproof box. By doing so, a soundproof environment is created not only on the upper side of the desk such as a desk but also around the worker, and a feeling of a private room can be felt. In addition, since the worker's head can be covered with a soundproof box in a soundproof state, not only is it difficult for the surrounding sound to be transmitted to the worker, but also the voice of the worker is difficult to be transmitted to the surrounding workers. The working environment of the person and the surrounding workers can be improved. Furthermore, the soundproof box is composed of a left half portion that covers the left side of the worker's head and a right half portion that covers the right side of the worker's head. Since the head of the speaker is openable and closable, by moving the left and right halves of the soundproof box so as to cover the head from both the left and right sides of the worker, the worker's head is covered by the soundproof box. The soundproof box can be removed from the worker's head by separating the left and right halves of the soundproof box from both sides of the worker, making it easy to put on and take off the soundproof box. Can be.

In the soundproof box device configured as described above, the left half and the right half of the soundproof box are rotatably supported around the vertical axis on the rear side of the worker's head and on the upper part of the support column. Is preferable. In such a case, the left half and the right half of the soundproof box can be rotated from the rear side to the front of the worker's head so that the soundproof box covers the worker's head. By rotating the left half and the right half of the soundproof box to the rear of the worker, the soundproof box can be removed from the worker's head, and the work of attaching and detaching the soundproof box can be facilitated. Further, in this soundproof box device, the soundproof box is opened by rotatably supporting the left half and the right half of the soundproof box at the upper part of the support column in a state where the angle can be adjusted around the vertical axis. It is preferable that the degree can be adjusted and opened. In such a case, the soundproof box can be opened at a desired opening degree of the worker to create a soundproof environment desired by the worker. For example, when the left half and the right half of the soundproof box are opened with an opening that covers the rear side and the left and right sides of the worker's head, the worker secures sufficient visibility in front and then left and right. Sound from both sides and the rear side is blocked, and you can work with a certain feeling of private room, and the left half and right half of the soundproof box are covered with an opening that covers only the rear side of the worker's head. When the speaker is further opened, the worker can work with sufficient visibility in front and the sound from the rear side is blocked, and the soundproof box does not completely cover the worker's head. However, the worker will be able to block the sound from the rear side.

In the soundproof box device configured as described above, the soundproof box includes a soundproof box main body that covers the upper surface and the peripheral surface in the horizontal direction so that a storage space for accommodating the worker's head is formed inside. At the bottom of the sound box body, a bottom front soundproof part arranged at least in front of the worker's head, and a neck opening through which the worker's neck passes behind the bottom front side soundproof part of the soundproof box body. It is preferable to prepare. The voice uttered by the worker propagates forward from the mouth including the upper and lower parts, but since the bottom front soundproof part is provided below the front side of the worker's head, the voice uttered by the worker is the soundproof box. It becomes difficult to leak from the lower side.

In the soundproof box device configured as described above, it is preferable to provide a window portion on the front surface of the soundproof box to secure the view of the operator. In this way, even when the soundproof box is attached to the worker's head, the field of view in front of the worker can be secured.

In the soundproof box device configured as described above, it is preferable that the height position of the soundproof box can be changed by making it possible to change the height of the support column or the mounting position of the soundproof box with respect to the support column portion. .. In this way, the soundproof box can be changed to a height according to the height of the worker's head, and it is used not only for the worker's sitting height and height, but also for standing up and sitting on a chair. It can be used in response to changes in state.

It is a perspective view seen from the front of the soundproof box device of this invention. It is a perspective view seen from the rear of FIG. It is a perspective view seen from the front when the soundproof box of FIG. 1 is opened in a substantially half open state. It is a perspective view seen from the front when the soundproof box of FIG. 1 is opened further than FIG. It is a perspective view seen from the front when the head of a worker is covered by the soundproof box of a soundproof box device. It is a left side view of FIG. It is a perspective view seen from the front when the soundproof box is opened about half from the state of FIG. It is a perspective view seen from the front when the soundproof box is changed from the open state of substantially half of FIG. 7 to the fully open state.

Hereinafter, an embodiment of the soundproof box device of the present invention will be described with reference to the drawings. As shown in FIGS. 1 to 3, the soundproof box device 10 of the present invention is provided on the base portion 20, the strut portion 30 erected on the base portion 20, and the upper part of the strut portion 30 by an operator. It is provided with an arm portion 40 protruding to the side and a soundproof box 50 attached to the arm portion 40 and covering the worker's head in a soundproof state.

As shown in FIGS. 1 to 3, the base portion 20 has a foundation member 21 using a hollow metal square pipe extending to the left and right on the rear side of the operator, and diagonally forward from both left and right ends of the foundation member 21. And a leg member 22 extending diagonally rearward. A strut portion 30 is fixed to the central portion of the foundation member 21 in the left-right direction, and the strut portion 30 is erected upward from the center of the foundation member 21 in the left-right direction. Each leg member 22 extending diagonally forward and diagonally backward on both the left and right sides of the foundation member 21 has a support column 30 standing on the foundation member 21 and a soundproof box 50 above the support column 30 tilting back and forth and left and right. It has a function to prevent it. A caster 23 is provided at the tip of each leg member 22, and the base portion 20 can be easily moved by these casters 23.

The strut portion 30 is erected upward from the central portion in the left-right direction of the foundation member 21 of the base portion 20, and in this embodiment, the strut portion 30 is erected on the base portion 20 because it can be expanded and contracted. It is provided with a lower strut member 31 fixed so as to be used, and an upper strut member 32 supported by the lower strut member 31 so as to be movable in the vertical direction. The lower strut member 31 and the upper strut member 32 use a hollow metal square pipe. The outer diameter of the upper strut member 32 is smaller than the inner diameter of the lower strut member 31, and the upper strut member 32 can be inserted into the lower strut member 31. The upper strut member 32 is inserted into the lower strut member 31 fixed to the base portion 20 in an upright state so as to be movable up and down, and the strut portion 30 has the upper strut member 32 as the lower strut member 31. The height can be changed by moving it up and down. A plurality of female screw holes are provided vertically separated from each other in the lower portion of the rear surface of the upper column member 32, and as shown in FIG. 2, the female screw holes of the upper column member 32 are provided in the upper portion of the rear surface of the lower column member 31. The screw member 33 inserted through the through hole formed in the above is engaged. By tightening the screw member 33 to the female threaded portion of the upper strut member 32 in a state where the upper strut member 32 is adjusted to a desired height, the upper strut member 32 is adjusted to a desired height and the lower strut member 31 is used. Is supported by.

As shown in FIG. 2, the arm portion 40 is fixed to the upper part of the upper strut member 32 of the strut portion 30, and the arm portion 40 projects to the front side on the worker side. The arm portion 40 is a sheet metal member processed into a substantially rectangular frame shape, the rear portion of the arm portion 40 is fixed to the upper support support member 32, and the soundproof box 50 is fixed to the front portion of the arm portion 40. ..

As shown in FIGS. 1 to 3, the soundproof box 50 covers the worker's head in a soundproof state by the soundproof material 54 provided inside, and is placed on the upper part of the support column 30 via the arm portion 40. It is attached. As shown in FIG. 3, the soundproof box 50 has an upper surface and a horizontal peripheral surface (front surface, rear surface, left side surface, and right side surface) so as to form an accommodation space for accommodating the worker's head inside. Behind the bottom front side soundproof part 50b of the soundproof box body 50a, the bottom front side soundproof part 50b arranged on the front side of the worker's head on the bottom front side of the soundproof box body 50a, and the bottom front side soundproof part 50b of the soundproof box body 50a. It is provided with a neck opening 50c through which the worker's neck is passed. With the worker's head housed in the soundproof box 50, the worker's head is covered with the upper surface by the soundproof box main body 50a and the front, rear, left and right surfaces as horizontal peripheral surfaces. Not only that, the lower part of the front side of the head is covered by the soundproofing portion 50b on the front side of the bottom. Even if the worker makes a voice, not only the upper surface and the horizontal peripheral surface of the worker's head are covered by the soundproof box main body 50a, but also the lower part of the front side is covered by the bottom front soundproofing portion 50b. Therefore, it is difficult for the emitted voice to leak from the soundproof box 50.

Further, the soundproof box 50 includes a box main body 51 having a substantially rectangular parallelepiped shape, and a sound absorbing material 54 provided on the inner peripheral surface of the box main body 51. The box body 51 includes a left half portion 52 that covers the left side of the worker's head and a right half portion 53 that covers the right side of the worker's head, and the left half portion 52 and the right half portion 53 are combined. It becomes a box shape that covers the worker's head. A sound absorbing material 54 is provided on the inner peripheral surface of the soundproof box 50, and in this embodiment, the sound absorbing material 54 uses a urethane sponge having a thickness of 50 mm as a porous sponge material.

As shown in FIG. 2, the rear portion of the left half portion 52 and the right half portion 53 of the box body 51 is rotatably supported by the arm portion 40 by the hinge 55 around the vertical axis, and is in front of the left half portion 52. By rotating the front portion of the portion and the right half portion 53 back and forth, the box body 51 can cover the worker's head so as to be openable and closable. Further, the left half portion 52 and the right half portion 53 of the box body 51 are rotatably supported in a state where the angle can be adjusted, and the left half portion 52 and the right half portion 53 are rotated in a state where the angles are adjusted. By moving the box body 51, the opening degree of the box body 51 can be adjustedly opened.

When the front portion of the left half portion 52 and the front portion of the right half portion 53 are rotated to the front side, the opening sides of the left half portion 52 and the right half portion 53 are closed, and the box body 51 is the left half portion 52. And the right half portion 53 are combined to form a closed state (shown in FIGS. 1 and 2). On the other hand, as shown in FIG. 3, when the front portion of the left half portion 52 and the front portion of the right half portion 53 are rotated to the rear side, the opening side between the left half portion 52 and the right half portion 53 is opened. Then, the box main body 51 is in an open state in which the left half portion 52 and the right half portion 53 are opened by about half. When the left half 52 and the right half 53 of the box body 51 are opened by about half, the left half 52 and the right half 53 are on the left and right sides and the rear side of the worker's head. It will be arranged in the shape of a wall, and the box body 51 will function as a soundproof wall. Further, as shown in FIG. 4, when the left half 52 and the right half 53 are in the open state in which the left half 52 and the right half 53 are opened most, the left half 52 and the right half 53 are on the rear side of the worker's head. It will be arranged in a wall shape, and the box body 51 will function as a soundproof wall.

A window portion 56 for ensuring the view of the operator is provided on the front surface of the box body 51. The window portion 56 is formed by attaching a transparent plate such as an acrylic plate to an opening formed in the front surface of the box body 51. The window portion 56 is not provided with the sound absorbing material 54 in order to secure the field of view.

When using this soundproof box device 10, after loosening the screw member 33, adjust the height position of the upper support column member 32 so that the soundproof box 50 is at the same height position as the worker's head, and then screw again. By tightening the member 33, the upper strut member 32 is fixed to the lower strut member 31 in a state where the height is adjusted. The worker is seated in a chair on the front side of the box body 51 in the open state (may be in an upright state), and the left half 52 and the right half of the box body 51 are on the front side of the worker's head. When the front portion of 53 is rotated forward, the head of the worker is covered with the box body 51 as shown in FIG. In this state, the worker's surrounding sound is blocked by the soundproof box 50, and the voice emitted by the worker is difficult to be transmitted to the surrounding workers by the soundproof box 50. Therefore, the worker is in a private room where the sound is blocked from the surroundings. You can feel the feeling and work. In particular, as shown in FIG. 6, since the soundproof box 50 is provided with a bottom front soundproof portion 50b that covers the front lower portion of the worker's head on the front side of the bottom, the voice emitted by the worker is the soundproof box 50. It becomes difficult to leak from the bottom to the outside. Further, since the window portion 56 for ensuring the view of the worker is provided on the front surface of the soundproof box 50, the worker can use the window even when the head of the worker is covered in the soundproof box 50. It is possible to secure an outside view from the portion 56.

As shown in FIG. 7, the front portion of the left half portion 52 and the right half portion 53 of the soundproof box 51 is rotated backward, and each of the left half portion 52 and the right half portion 53 is rotated at an angle of about 45 °. When opened, the soundproof box 51 is opened (opened at about 90 °) at about half of the fully opened (opened at about 180 °). In this state, the worker's head is covered with the soundproof box 51 in an open state on both the left and right sides and the rear side, and the worker is blocked by the soundproof box 50 from the sound from the rear side and the left and right sides, and also works. The soundproof box 51 in an open state, which is about half of the voice emitted by a person, makes it difficult for the voice to be transmitted to the rear side and both the left and right sides. Further, although it is inferior to the case where the closed soundproof box 51 is attached, the worker's head is covered with the open soundproof box 51 on both the left and right sides other than the front side and the rear side, so that it is constant. You can work with a feeling of a private room.

Further, when the operator does not need to feel the feeling of a private room by the soundproof box device 10 and work, the front portions of the left half portion 52 and the right half portion 53 of the box main body 51 are rotated further rearward than in FIG. 7. As shown in FIG. 8, the left half 52 and the right half 53 of the box body 51 are arranged behind the worker's head so that the worker's head is not covered by the box body 51. Become. Although the worker does not feel the feeling of a private room because the head is not covered by the box body 51, the left half 52 and the right half 53 of the box body 51 are arranged behind the worker's head. Therefore, it is difficult for the operator to hear the sound from the rear side. In this way, even when the box body 51 is in the open state, the left half 52 and the right half 53 of the box body 51 are arranged in a wall shape behind the worker's head, so that the worker can use it. It is possible to make it difficult for the sound from the rear side to be transmitted.

The soundproof box device 10 configured as described above includes a base portion 20 installed around a worker who stands up or sits on a chair, a strut portion 30 standing on the base portion 20, and a strut portion 30. The arm portion 40 provided on the upper part and protruding toward the worker side and the arm portion 40 attached to the upper part of the support column 30 via the arm portion 40, and the sound absorbing material 54 provided inside covers the worker's head in a soundproof state. It is equipped with a soundproof box 50. In the soundproof box device 10, if the base portion 20 is installed around the worker and the worker's head is covered with the soundproof box 50, the worker is not limited to the upper side of the desk such as a desk. A soundproof environment is created around the room, and you can feel the feeling of a private room. Further, since the head of the worker can be covered with the soundproof box 50 in a soundproof state, not only the surrounding sound is hard to be transmitted to the worker, but also the voice of the worker is hard to be transmitted to the surrounding workers. The working environment of the worker and surrounding workers can be improved.

Further, the soundproof box 50 is composed of a left half portion 52 that covers the left side of the worker's head and a right half portion 53 that covers the right side of the worker's head, and includes the left half portion 52 and the right half portion 53. By matching, the worker's head can be opened and closed. By moving the left half 52 and the right half 53 of the soundproof box 50 so as to cover the head from both the left and right sides of the worker, the soundproof box 50 can be made to cover the worker's head. By separating the left half 52 and the right half 53 of the sound box 50 from both sides of the worker, the soundproof box 50 can be removed from the worker's head, and the soundproof box 50 can be easily attached and detached. can. In this embodiment, the soundproof box 50 is composed of the left half portion 52 and the right half portion 53, but the present invention is not limited to this, and the soundproof box 50 is integrated without being divided into left and right. There may be. In this case, the soundproof box 50 is supported by the guide bar so that the soundproof box 50 can be moved up and down by providing a guide bar extending vertically on the rear side of the worker's head. It can be attached to the part from above.

In the soundproof box device 10 of this embodiment, the left half portion 52 and the right half portion 53 of the soundproof box 50 are located on the rear side of the worker's head via the arm portion 40 and around the vertical axis on the upper portion of the support portion 30. It is rotatably supported by the shaft. By rotating the left half 52 and the right half 53 of the soundproof box 50 from the rear side to the front of the worker's head, the soundproof box 50 can cover the worker's head. By rotating the left half 52 and the right half 53 of the sound box 50 to the rear of the worker, the soundproof box 50 can be removed from the worker's head, facilitating the attachment / detachment work of the soundproof box 50. Can be done.

In the soundproof box device 10 of this embodiment, the left half portion 52 and the right half portion 53 of the soundproof box 51 are rotatably supported at the upper part of the support column portion 30 in a state where the angle can be adjusted around the vertical axis. The soundproof box 51 can be opened so that the opening can be adjusted. By doing so, it is possible to create a soundproof environment desired by the worker by opening the soundproof box 51 at a desired opening degree of the worker. For example, as shown in FIG. 7, the left half portion 52 and the right half portion 53 of the soundproof box 51 are set to approximately 90 ° (approximately 30 ° to 30 °) as an opening degree that covers the rear side and the left and right sides of the worker's head. When opened at 150 °), the operator should secure sufficient visibility in front and work with a certain sense of private room because the sound and visibility from both the left and right sides and the rear side are blocked. Can be done. Further, as shown in FIG. 8, the left half portion 52 and the right half portion 53 of the soundproof box 51 are further increased by approximately 180 ° (approximately 150 ° to 180 °) at an opening degree in which only the rear side of the worker's head is covered. When opened at (may be °), the worker can work while ensuring sufficient visibility in front and blocking the sound from the rear side, and the soundproof box 51 makes the worker's head open. Even if it is not completely covered, the operator will be blocked from the sound and visibility from the rear side. In this embodiment, the rear portions of the left half portion 52 and the right half portion 53 of the soundproof box 50 are rotated around the vertical axis on the rear side of the worker's head and above the support column portion 30 via the arm portion 40. Although it is possible to support the shaft, the present invention is not limited to this, and a guide bar extending in the left-right direction is provided on the upper portion of the support column 30 or the arm portion 40, and the left half portion 52 and the right half portion 53 of the soundproof box 50 are provided by the operator. It may be supported so as to be movable in the left-right direction along the guide bar on the rear side of the head of the head.

In the soundproof box device 10 of this embodiment, the soundproof box 50 includes a soundproof box main body 50a that covers the upper surface and the peripheral surface in the horizontal direction so that a storage space for accommodating the worker's head is formed inside. For the neck that passes the worker's neck behind the bottom front side soundproof part 50b arranged on the front side of the worker's head at the bottom of the soundproof box body 50a and the bottom front side soundproof part 50b of the soundproof box body 50a. It is provided with an opening 50c. The voice uttered by the worker propagates forward from the mouth including the upper and lower parts, but since the bottom front side soundproofing portion 50b is provided in front of the lower side of the worker's head, the voice uttered by the worker is a soundproof box. It becomes difficult to leak from the lower side of 50. The bottom front side soundproofing portion 50b is arranged on the front side of the worker's head, but may be arranged from the lower side to the front side of the chin portion of the head.

In the soundproof box device 10 of this embodiment, a window portion 56 for ensuring the view of the operator is provided on the front surface of the soundproof box 50. By doing so, even when the soundproof box 50 is attached to the worker's head, the field of view in front of the worker can be secured.

In the soundproof box device 10 of this embodiment, the height position of the soundproof box 50 can be changed by making it possible to change the height of the support column portion 30. That is, since the upper strut member 32 is supported by the lower strut member 31 so as to be movable up and down in the strut portion 30, the soundproof box 50 attached to the upper part of the upper strut member 32 via the arm portion 40 is the upper strut. The height position can be changed by changing the support position with respect to the lower support member 31 of the member 32. As a result, the soundproof box 50 can be changed to a height according to the height of the worker's head, and not only the height and height of the worker but also the standing state and the sitting state in the chair can be used. It can be used in response to changes. In this embodiment, the height position of the soundproof box 50 can be changed by making the height of the support column 30 changeable, but the present invention is not limited to this, and the support column portion of the arm portion 40 is not limited to this. By making it possible to change the mounting position with respect to 30, the height position of the soundproof box 50 may be changed.

In this embodiment, the soundproof box 50 is attached to the support column 30 via the arm portion 40, but the present invention is not limited to this, and the upper portion of the support column portion 30 is bent toward the front side which is the worker side. The soundproof box 50 may be directly attached to the upper part of the support column 30, or the rear part of the soundproof box 50 may be extended to the rear side so that the soundproof box 50 may be directly attached to the upper part of the support column portion 30.

10 ... Soundproof box device, 20 ... Base part, 30 ... Support part, 40 ... Arm part, 50 ... Soundproof box, 50a ... Soundproof box main body part, 50b ... Bottom front side soundproof part, 50c ... Neck opening, 52 ... Left half, 53 ... right half, 54 ... sound absorbing material, 56 ... window.

Claims (6)

A base that is installed around a worker who stands up or sits in a chair,
The strut part to be erected on the base part and
It is provided with a soundproof box attached to the upper part of the support column and covering the worker's head in a soundproof state by a sound absorbing material provided inside.
The soundproof box is composed of a left half portion covering the left side of the worker's head and a right half portion covering the right side of the worker's head, and by combining the left half portion and the right half portion. A soundproof box device characterized in that it covers the worker's head so as to be openable and closable . In the soundproof box device according to claim 1 ,
A soundproof box device characterized in that the left half and the right half of the soundproof box are rotatably supported around the vertical axis on the upper part of the support column on the rear side of the worker's head. In the soundproof box device according to claim 2 ,
The soundproof box can be opened with adjustable opening by rotatably supporting the left half and the right half of the soundproof box at the upper part of the support column in a state where the angle can be adjusted around the vertical axis. A soundproof box device featuring a plumb bob. In the soundproof box device according to any one of claims 1 to 3 .
The soundproof box is the work of the soundproof box main body portion that covers the upper surface and the peripheral surface in the horizontal direction so that a storage space for accommodating the worker's head is formed inside, and the bottom portion of the soundproof box main body portion. It is characterized by having a bottom front side soundproofing portion arranged at least in front of the head of the person, and a neck opening through which the worker's neck is passed behind the bottom front side soundproofing portion of the soundproof box main body. Soundproof box device. In the soundproof box device according to any one of claims 1 to 4 .
A soundproof box device characterized in that a window portion for ensuring the view of the worker is provided on the front surface of the soundproof box. In the soundproof box device according to any one of claims 1 to 5 .
A soundproof box device characterized in that the height position of the soundproof box can be changed by making it possible to change the height of the support column or the mounting position of the soundproof box with respect to the support column portion.

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