JP2006312114A - Sink device in draft chamber - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sink device in a draft chamber in which a large working space can be ensured and in which a space of the lower part of a working surface can be efficiently utilized. <P>SOLUTION: In the device, the front surface is opened and an opening 8 is installed through the inner wall 5a forming the working space in a box body 1 of which the inner part is the working space 2. To the opening 8, a sink body 11 having a receiving port 15 in the upper surface is attached so as freely to move from a using position where the receiving port 15 is exposed to the working space 2 to a non-using position where the receiving port 15 is hidden into a side wall 5. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a sink device used by being installed in a working space of a draft chamber.

Some draft chambers used in laboratories and the like are provided with a sink in the work space for discarding reagents and washing used instruments. Most sinks in such a draft chamber are embedded on the work surface (see, for example, Patent Document 1).
Japanese Utility Model Publication No. 7-21124

  However, in the sink as described in Patent Document 1, not only the work space is narrowed by embedding in the work surface, but it is necessary to arrange the pipe to the sink below the work surface. When the lower space is used as a storage space, there is a problem that the piping becomes an obstacle.

  The present invention has been made in view of the above-mentioned problems of the prior art, and provides a sink device in a draft chamber that can secure a wide working space and can also effectively use the space below the working surface. It is intended to provide.

According to the present invention, the above problem is solved as follows.
(1) An opening is provided in a wall body forming the work space in a housing having a front surface opened and the inside serving as a work space, and a sink body having a receiving port on the upper surface is provided in the opening, the receiving port serving as the work It attaches so that it can move to the use position exposed to space, and the non-use position in which the said receiving port is located outside the inner surface of the said wall body.

(2) In the above item (1), the sink body can be rotated between the use position and the non-use position by pivotally attaching the lower part of the sink body to the wall of the housing with a horizontal axis. To do.

(3) In the above item (2), the surface of the inner wall on the work space side of the sink body when in the use position is an inclined surface extending obliquely upward into the work space from the wall of the housing, When the sink main body is in the non-use position, the inclined surface closes the opening in the wall of the housing.

(4) In any one of the above items (1) to (3), a flexible pipe connected to the drain pipe is attached to the lower part of the outer wall of the sink body.

(5) In any of the above items (1) to (4), a receiving box following the opening is provided on the outside of the wall of the housing, and the sink body when not in use is accommodated in the receiving box. To.

(6) In any one of the above items (1) to (5), a handle is provided on the work space side surface of the inner wall of the sink body.

(7) In the above item (6), the handle is formed by a flange provided at the upper end of the inner wall of the sink body.

(8) In any one of the above items (1) to (7), a partition plate is erected in the sink main body so as to be separated from the outer wall provided with the drain port. In the drainage stored between the partition plate and the inner wall of the sink body, the drainage channel is formed between the partition plate and the inner wall of the sink body at the free end of the closing plate that covers the upper side of the drainage channel above the upper end of the partition plate. By providing the penetrating penetrating piece, a trap is formed to prevent odor in the drain pipe connected to the drain port from flowing to the working space side.

(9) In any one of the above items (1) to (8), a flexible shielding curtain that hangs down in the sink body is provided on the upper edge of the opening provided in the wall of the housing.

According to the present invention, the following effects can be achieved.
(a) According to the invention described in claim 1, since the sink main body is provided in the wall body forming the working space in the draft chamber so as to be able to appear and retract, the sink main body is taken out only when necessary for disposal or cleaning of the reagent, When it is not necessary, it can be moved to an unobstructed position.When not in use, the sink body only protrudes from the wall forming the work space, not only when it is not in use, There is no hindrance, a large work space can be secured, and since it is not necessary to install a pipe below the work surface, the lower space can be effectively used for storing articles or the like.

(B) According to the invention described in claim 2, since the sink body is pivotally attached to the wall body of the housing with a horizontal axis so that it can be rotated between the use position and the non-use position. In addition, the sink body can be rotated from the use position to the non-use position by tilting the bottom of the sink body, and the waste accumulated in the bottom can be actively discharged from the sink body. Can do.

(C) According to the invention described in claim 3, when the sink body is in the non-use position, the inclined surface closes the opening in the wall body of the housing, so that the work space is not obstructed and the appearance is Good. Also, when the sink body is in the use position, the side surface of the sink body that protrudes into the work space is an inclined surface that extends obliquely upward from the wall of the housing into the work space. Therefore, the space below the inclined surface can be used as a work space.

(D) According to the invention described in claim 4, the flexible tube follows when the sink body moves, and the sink body can be moved smoothly.

(e) According to the invention described in claim 5, since the receiving box following the opening is provided outside the wall of the housing, harmful gas generated in the work space from the opening of the housing wall And the liquid can be prevented from leaking to the outside, and the sink body can be safely stored in the receiving box without touching other piping or wiring arranged outside the wall of the housing. .

(f) According to the invention described in claim 6, the sink body can be easily moved from the use position to the non-use position or vice versa by the handle, and the operability is good.

(g) According to the seventh aspect of the invention, the outward flange not only reinforces the receptacle of the sink body, but also the outward flange can be used as a handle.

(h) According to the invention of claim 8, a trap having a simple structure can be formed in the sink body.

(i) According to the invention of claim 9, the shielding curtain prevents harmful gas or liquid generated in the work space from leaking outside through the opening.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of a draft chamber comprising an embodiment of the present invention.
This draft chamber is provided with a housing (1) whose front surface is open and whose inside is a work space (2). A work surface (3) is formed in the lower part of the work space (2) in the housing (1), and a transparent door (4) is mounted in the front opening so as to be opened and closed in the vertical direction.

On the inner surface of one of the left and right side walls (5) and (5) of the work space (2) in the housing (1) (the left one in this example), there is a water supply port (6) for cleaning water or the like. A sink device (7) is provided below.
Each side wall (5) has a hollow inner / outer double wall structure including an inner wall (wall body) (5a), an outer wall (5b), and a front wall (5c).

2 is a front view when the sink device is in the use position, FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 2, and FIG. 4 is the same as FIG. 3 when the sink device is in the non-use position. It is sectional drawing of a part.
As shown in FIGS. 1 to 4, a rectangular opening (8) is provided below the water supply port (6) in the inner wall (5a) of the left side wall (5), and this opening (8) is continued. Thus, a receiving box (9) is provided in the hollow side wall (5).
The edge of the opening (8) of the inner wall (5a) and the edge of the opening of the receiving box (9) are connected to each other by an edge member (10).

  The sink device (7) includes a cup-shaped sink body (11) that opens upward, and a pair of front and rear projecting pieces (12) (12) provided at the lower part of the outer surface (left side surface) of the sink body (11). 12), a pair of front and rear brackets (13) and (13) mounted on the bottom wall (9a) of the receiving box (9), and the brackets (13) and (13) are pivotally supported by the projecting pieces (12 ) (12) and a horizontal axis (14) (14) facing in the front-rear direction for rotatably supporting the sink body (11).

The sink body (11) includes an inner wall (11a) on the work space (2) side, an outer wall (11b) on the side wall (5) side, and end walls (11c) (11c) that close the front and rear ends thereof. And a bottom cup (11d) having a square cup shape in plan view, and a flange (16) is provided at the upper end so as to surround the receiving port (15). The free end portion of the flange (16) at the upper end of the inner wall (11a) is bent downward in a L-shaped cross section to form a handle (17).
The surface of the inner wall (11a) on the work space (2) side is an inclined surface (18) extending obliquely upward from the inner wall (5a) of the housing (5) into the work space (2). .

  The sink body (11) is pivotally attached to the lower part of the receiving box (9) with the horizontal shaft (14) (14), so that the receiving port (15) is exposed to the work space (2) as shown in FIG. As shown in FIG. 4, the inclined surface (18) closes the opening (8) of the inner wall (5a) and the receiving port (15) is submerged in the side wall (5). Is rotatable to a non-use position accommodated in the receiving box (9).

  A drain port (19) is provided at the lower part of the outer wall (11b) (see FIG. 3). A connection pipe (20) that is bent obliquely downward is connected to the drain port (19). ) Is connected to the upper end of a loose flexible tube (21) whose lower end is connected to a drain pipe (not shown).

  As shown in FIGS. 3 and 4, at the upper edge of the opening (8) of the inner wall (5a), a flexible shielding screen made of a rubber plate or a synthetic resin sheet or the like suspended in the sink body (11). The upper end of (22) is fastened.

  As shown in FIG. 3, when the sink main body (11) is in the use position, the shielding curtain (22) is in contact with or close to the inner surface of the outer wall (11b). Since the upper part of the opening (8) in the main body is closed, harmful gas generated in the work space (2), liquid scattered in the sink body (11), etc. ) To prevent leakage into the receiving box (9) or into the side wall (5).

  When the sink body (11) is in the non-use position, as shown in FIG. 4, the upper part of the shielding curtain (22) is received by the flange (16) at the upper end of the inner wall (11a) of the sink body (11). Although it is slightly pushed into the box (9), the lower part of the shielding curtain (22) is located in the sink body (11), so that the liquid or the like adhering to the shielding curtain (22) is removed from the sink body (11). It will not drip inside and leak into the receiving box (9).

  As shown in FIG. 4, when the sink device (7) is not used, the sink body (11) is rotated upward by the handle (17), and the flange (16) on the outer wall (11b) side is moved to the receiving box (9 ) Is set to a non-use position where it abuts against the back end face. At this time, the inclined surface (18) which is the surface of the inner wall (11a) in the sink body (11) is substantially flush with the inner surface of the inner wall (5a) of the side wall (5) to close the opening (8). Therefore, the sink device (7) does not interfere with the work space (2), and the appearance is good.

To use the sink body (11), pull the sink body (11) toward the work space (2) with the handle (17). As shown in FIG. The use position (11d) is in contact with the lower edge of the opening (8). When the sink body (11) is rotated, the flexible tube (21) is elastically deformed following this, and the sink body (11) is allowed to rotate.
When the sink main body (11) is in the use position, a stopper that comes into contact with the sink main body (11) and stops may be provided at another location on the side wall (5).

In this state, the water supply port (6) can be opened to wash the experimental instrument or the like in the sink body (11), or to discard the waste liquid or the like in the sink body (11).
The drainage accumulated in the sink body (11) is discharged to the drainage pipe through the drainage port (19), the connecting pipe (20), and the flexible pipe (21) in this order.

  When the sink body (11) is in the use position, the surface on the work space (2) side of the inner wall (11a) of the sink body (11) protruding into the work space (2) extends from the side wall (5). Since the inclined surface (18) extends obliquely upward in the work space (2), the space below the inclined surface (18) can be used as the work space.

FIG. 5 shows another embodiment of the present invention in which a trap structure is provided in the sink body (11).
That is, in the sink body (11), by erected the partition plate (23) so as to be separated from the outer wall (11b) provided with the drain port (19), the outer wall (11b) and the partition plate (23) A drainage channel (24) is formed between the partition plate (23) and the inner wall (11a), and a storage tank (25) is formed between the partition plate (23) and the upper end of the partition plate (23). By installing a hanging piece (28) that rushes into the drainage (27) stored in the storage tank (25) at the right end of the blocking plate (26) that covers the upper side of the channel (24), the drainage port (19) A trap (29) is formed to prevent odor in the connected drain pipe from flowing toward the work space (2).

  In this example, the drooping piece (28) is provided so as to incline to the lower right and the lower end is in contact with the middle portion of the inner wall (11a), and a plurality of water passages are provided at the lower end of the drooping piece (28). A notch (30) is provided at an appropriate interval in the front-rear direction, and also on the left end of the blocking plate (26), it hangs down directly along the inner surface of the outer wall (11b) of the sink body (11) A piece (31) is provided, the lower end of which is in contact with the bottom wall (11d) of the sink body (11), and the inverted U-shaped cutout that communicates with the drain port (19) upward from the center of the lower end. A notch (32) is provided.

  The length of the obstruction plate (26) and the hanging piece (28) (31) in the front-rear direction is approximately equal to the distance between the opposing surfaces of the front and rear end walls (11c) (11c) in the sink body (11). Thus, the upper part of the drainage channel (24) and the partition plate (23) can be covered over the entire length in the front-rear direction, and the blocking plate (26) and the hanging pieces (28) (31) Is removed from the sink body (11) in a timely manner so that the lower part in the sink body (11) can be cleaned.

  According to the embodiment shown in FIG. 5, the trap (29) having a simple structure can be formed in the sink body (11).

As mentioned above, although two embodiment of this invention was described, this invention can be implemented in forms other than the above in the range which does not deviate from a claim.
For example, the sink device (7) may be provided on the rear wall (not shown) of the casing that forms the work space.

It is an appearance perspective view of a draft chamber provided with one embodiment of the present invention. Similarly, it is the enlarged side view which looked at the sink device when it was in use position from the inside of work space. It is the III-III sectional view taken on the line of FIG. FIG. 4 is a cross-sectional view similar to FIG. 3 when the sink device is in a non-use position. It is a vertical side view which shows other embodiment.

Explanation of symbols

(1) Housing
(2) Workspace
(3) Work surface
(4) Transparent door
(5) Side wall
(5a) Inner wall (wall)
(5b) Exterior wall
(5c) Front wall
(6) Water inlet
(7) Sink device
(8) Opening
(9) Receiving box
(9a) Bottom wall
(10) Edge member
(11) Sink body
(11a) Inner wall
(11b) Exterior wall
(11c) End wall
(11d) Bottom wall
(12) Projection
(13) Bracket
(14) Horizontal axis
(15) Receiver
(16) Flange
(17) Handle
(18) Inclined surface
(19) Drain port
(20) Connection pipe
(21) Flexible tube
(22) Shielding curtain
(23) Partition plate
(24) Drainage channel
(25) Storage tank
(26) Blocking plate
(27) Drainage
(28) Hanging piece
(29) Trap
(30) Notch
(31) Hanging piece
(32) Notch

Claims (9)

  An opening is provided in the wall forming the work space in the housing having a front surface opened and the interior serving as a work space, and a sink body having a receiving port on the upper surface is provided in the opening, and the receiving port is exposed to the work space. A sink device in a draft chamber, wherein the sink device is attached so as to be movable to a use position where it is used and to a non-use position where the receptacle is located outside the inner surface of the wall body.   The lower part of the sink main body is pivotally attached to the wall body of the housing with a horizontal axis so that the sink main body can be rotated between the use position and the non-use position. Sink device in the draft chamber.   When the surface of the inner wall on the work space side in the sink body when in the use position is an inclined surface extending obliquely upward from the wall of the housing into the work space, and the sink body is in the non-use position, 3. The sink device in a draft chamber according to claim 2, wherein an opening in the wall of the housing is closed by the inclined surface.   The sink device in a draft chamber according to any one of claims 1 to 3, wherein a flexible pipe connected to a drain pipe is attached to a lower portion of the outer wall of the sink body.   5. A receiving box following the opening is provided outside the wall of the housing, and the sink main body when not in use is accommodated in the receiving box. Sink device in the draft chamber.   The sink device in a draft chamber according to any one of claims 1 to 5, wherein a handle is provided on a work space side surface of the inner wall of the sink body.   7. The sink device in a draft chamber according to claim 6, wherein the handle is formed by a flange provided at an upper end of an inner wall of the sink body.   In the sink body, a partition plate is erected so as to be separated from the outer wall provided with the drain port, thereby forming a drainage channel between the outer wall and the partition plate, and above the upper end of the partition plate. The drainage connected to the drainage port by providing a hanging piece that enters into the drainage stored between the partition plate and the inner wall of the sink body at the free end of the closing plate covering the upper side of the drainage channel The sink device in the draft chamber according to any one of claims 1 to 7, wherein a trap for preventing the odor in the pipe from flowing toward the working space is formed. 9. A sink device in a draft chamber according to claim 1, wherein a flexible shielding curtain that hangs down in the sink body is provided at an upper edge of the opening provided in the wall of the housing. .

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