JP2895392B2 - Smokeless counter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a smoke exhaust device for cooking which prevents smoke from spreading in a restaurant when grilling food at a restaurant, and more particularly, to an elongated table surface on which customers sit side by side. The present invention relates to a smoke exhaust device for a provided counter.

[0002]

2. Description of the Related Art A smokeless roaster provided with a smoke exhaust device for preventing smoke generated during grilling from spreading in a restaurant is widely used in restaurants, especially yakiniku restaurants. Smokeless roasters are usually provided with a grill or grill at a level lower than the top of the roaster, and a step is formed around the grill or grill, and a number of small intake holes and intake slits connected to the exhaust duct are formed in this step. Is opened, and smoke generated when grilling on a grid or plate is sucked from the surroundings and exhausted.

[0003] Generally, such a smokeless roaster has a structure fitted in the center of a table. When a pottery is not performed, a lid plate having the same upper surface as the table surface is covered on the smokeless roaster. Is widely used. As an example of installing a smokeless roaster having the above-described structure on a counter, see Japanese Utility Model Application Laid-Open No. 62-3723.
And Japanese Unexamined Utility Model Publication No. 3-39471.

[0004]

In order to install such a smokeless roaster, it is necessary to arrange an exhaust duct below the floor of the store and make the table a table with a smokeless roaster. Regardless of the store, it is quite difficult to renovate an old store without smokeless roasters. In particular, the counter provided between the store and the kitchen is longer than the individual tables in the store, and because of the relationship between the sink and the cooking table arranged on the kitchen side, the counter with smokeless roaster It is extremely difficult to renovate, and in stores where old stores have been renovated, it was not possible to install a smokeless device only at the counter, or it was very expensive to install a smokeless device at the counter.

The present invention has been made to solve the above problems, and is particularly suitable for a counter-type table. The work for retrofitting a counter without a smokeless device to a counter with a smokeless device is simple. It is another object of the present invention to provide a smokeless device that can easily clean a portion to which oil droplets or oil smoke easily adheres by a routine operation.

[0006]

SUMMARY OF THE INVENTION A smokeless counter according to the present invention has an elongated table 7 which can be seated by a plurality of customers.
And a counter table 6 which is elongated in the longitudinal direction of the table, which is used as a table for food and drink to be provided to the customer, on the back side of the table as viewed from the customer, and the inside of the counter table 6 is an exhaust duct. The negative pressure chamber is connected to 1 and is located under the internal space of the counter base 6.
Upper surface which is arranged on the part and is elongated in the longitudinal direction of the counter base
Is detachable on the open duct 12 and the upper surface of this duct
Pressure with a plurality of holes arranged in
A plurality of openings 37 connected to the negative pressure chamber box are provided on the front wall 35 on the table side of the counter table or on the lower surface of the eaves 4 of the counter table protruding from the upper edge of the wall to the table side. It is characterized by being open.

[0007] The smokeless counter is a negative pressure chamber box 1
7 is the table side, the front is open and the bottom 23
It has a through-hole 25 for mounting a filter (24), and has a front panel 35 detachably attached to the outside of the open front wall opening 36 of the negative pressure chamber box 17, and has a negative A number of openings 37 communicating with the pressure chamber box 17 are provided, and an oil receiving groove 38 having a U-shaped or U-shaped cross section can be provided at the lower edge of the front panel 35. Furthermore, a plurality of negative pressure chamber boxes 17 arranged on the upper surface of the duct 12
A narrow spacer box 16 is fixedly provided in the duct 12, and a gas pipe insertion hole 11 is provided in a front wall surface facing the table side of the spacer box.
On the lower edge 19 of the front wall opening 36 of the
An apron 32 having a U-shaped or U-shaped auxiliary oil receiving groove 34 is detachably engaged with the panel plate 35 so that an oil receiving groove 38 on the lower side of the apron 32 fits into the auxiliary oil receiving groove 34. It can be attached to. Furthermore, the smokeless counter according to the present invention provides a duct 1 formed in an elongated linear shape.
A vertical duct 1 can be connected to the bottom or top surface of one end of 2 and the duct 12 can communicate with the exhaust through this vertical duct 1.

[0008]

In the smokeless counter of the present invention, there is no need to embed a smokeless roaster in the table of the counter, and a normal roaster without a smoke exhaust device can be placed on the table surface of the counter. When cooking on the counter table, the smoke exhaust device connected to the negative pressure chamber inside the counter base 6 is operated. This creates an airflow above the counter table that is drawn into the front of the counter from the customer side. The smoke coming out of the roaster 8 placed on the table is sucked into the negative pressure chamber in the counter base 6 by this air flow and exhausted. That is, according to the present invention, it is possible to use the step between the table 7 of the counter and the counter base 6 to inhale and discharge the smoke emitted from the roaster at the position immediately above the roaster above the roaster without embedding the roaster in the table. Like that.

In the smokeless counter of the present invention, the counter is smokeless only by replacing the counter table 6 portion of the counter or by newly providing the counter table 6 having the structure of the present invention in the counter without the counter table. be able to. The smoke sucked into the negative pressure chamber of the counter base is guided to the end of the counter by a duct 12 extending horizontally in the longitudinal direction of the counter below the counter base 6, and a vertical duct provided at the end of the counter. 1 is exhausted. Therefore, the vertical duct 1 and the underfloor or ceiling duct connected thereto can be installed without replacing the entire counter. In particular, the structure in which the vertical duct is provided above does not require refurbishment at the end of the counter or under the floor, so the renovation work becomes very easy.

The plurality of negative pressure chamber boxes 17 detachably disposed on the upper surface of the duct 12, and the apron 32 and the panel plate 35 attached thereto can be individually removed and washed. The negative pressure chamber box 17, the apron 32, and the panel plate 35 having such a structure can be of a size that can be washed in a normal sink, and can be cleaned on a daily basis to maintain cleanliness. By removing the most dirty panel plate from the negative pressure chamber box 17 so that it can be replaced independently, it is possible to replace it with a washed one every time a customer changes. Panel board 35
The oil receiving groove 38 at the lower end of the panel catches oil that adheres to the surface of the panel plate 35 and drips. The auxiliary oil receiving groove 34 provided in the apron 32 receives the oil that attaches to the back surface of the panel plate through the intake hole 37 of the panel plate 35 and drips.
By making the apron 32 detachable, the apron 32 can be replaced together with the panel plate 35 when the customer changes.

The boat-shaped duct 1 is provided on the bottom of the negative pressure chamber box 17.
By providing a through-hole 25 communicating with 2 and attaching a filter 24 to the through-hole, the sucked oil smoke and oil can be cut by the filter 24 to prevent dirt on the boat-shaped duct and the vertical duct. Thus, the boat-shaped duct 12 can be fixed to the counter, and the negative pressure chamber box 17 mounted thereon is fitted to and mounted on the boat-shaped duct 12, so that the counter base 6 can be sufficiently provided. It can be configured as a rigid base. The spacer box 16 fixed on the upper surface of the boat-shaped duct 12 includes a negative pressure chamber box 17.
This is useful for stabilizing the counter base, as well as for positioning the left and right sides.

On the upper surface of the negative pressure chamber box 17, a top plate 5 which integrally covers the upper surface of the spacer box 16 adjacent thereto is provided so as to be fitted simultaneously to the upper portions of the negative pressure chamber box 17 and the spacer box 16. Thereby, the smoothness and stability of the upper surface of the counter stand can be improved. By providing the eaves 4 extending to the table 7 side on the top plate 5, the flow of air sucked into the negative pressure chamber box 17 from the front of the counter table is rectified, and
Can be more efficiently removed by suction. A plurality of negative pressure chamber boxes 17 caused by providing the vertical duct 1 leading to the exhaust device at one end of the boat-shaped duct 12
The pressure gradient along the longitudinal direction of the duct 12 can be made uniform by adjusting the opening of the filter 24 provided in each negative pressure chamber box 17. That is, the filter on the side closer to the vertical duct 1 narrows the opening degree, and the filter on the far side opens the opening degree, so that the suction force of the respective negative pressure chamber boxes 17 arranged in the longitudinal direction of the elongated boat-shaped duct 12. Can be made uniform.

[0013]

FIG. 3 is a perspective view schematically showing one embodiment of a counter constituted by the structure of the present invention. In this embodiment, a vertical duct 1 for flue gas extends upward from one end of the counter 2, and a connecting portion of the vertical duct includes:
A connection box 3 having the same height as the counter stand is provided. And adjacent to this connection box, a spacer box and a negative pressure chamber box described later are alternately arranged,
Each one of the adjacent spacer box and negative pressure chamber box is covered with one top plate 5 having the eaves 4 to form one unit corresponding to one customer. Long and narrow counter table 6
Is formed. The figure shows a roaster 8 placed on a table 7 of a counter, the gas pipe 9 of which is connected to a connection port 11 with a cock provided on the front of the spacer box.

FIG. 1 is an exploded perspective view showing a vertical duct side portion of a counter stand, and FIG. 2 is a sectional view of a negative pressure chamber box portion described later. Details of each of the members shown in FIG. 1 are shown in FIGS. Each of these members is made of stainless steel sheet metal except for the filter material of the filter.

1 is a boat-shaped duct (see FIG. 11).
In the shape of an elongated pencil case having a U-shaped cross section with an open top, a receiving bar 13 made of a channel material bent in a mountain-shaped cross section is welded to a position slightly lower than the upper side thereof, and receiving bars on both sides at appropriate intervals. 13 are connected by a connecting bar 14 to prevent deformation of the longitudinal wall surface. This boat-shaped duct 12 is manufactured in accordance with the longitudinal dimension of the counter, and is fixed to the back of the table 7 of the counter as viewed from the customer.

A connection box (see FIG. 10) indicated by 3 in FIG. 1 is fixed to the upper surface of one end of the boat-shaped duct 12. The connection box 3 has an open bottom surface and communicates with the interior of the boat-shaped duct 12. A circular flange 15 connected to the vertical duct 1 is provided at the center of the ceiling surface. A spacer box 16 (FIG. 8) is fixed on the boat-shaped duct 12 adjacent to the connection box 3 and at an interval corresponding to the width of a negative pressure chamber box described later. The spacer box 16 has a bottom surface, a front surface, and a ceiling surface, and both sides and a rear surface are open.

The connection box 3 and the spacer box 16 are fitted inside the upper edge of the boat-shaped duct 12 and are fixed on the receiving bar 13.

Adjacent to each spacer box 16, a negative pressure chamber box 17 has its lower end fitted to the upper edge of the boat-shaped duct. Is mounted on the boat-shaped box 12 so as to be detachable. As shown in FIG. 4, the negative pressure chamber box 17 has a front surface opened with flanges 18 and 19 protruding from an upper edge and a lower edge, and the remaining five surfaces are closed. Outside the upper flange 18, a slightly bent crosspiece 21 whose cross section is shown in FIG. 5 is welded, and an insertion groove 22 for inserting an upper side of a panel plate described later is formed between the upper flange 18 and the upper flange 18. . A round through hole 25 for fitting a filter 24 shown in FIG. 9 is opened in the center of the bottom surface 23 of the negative pressure chamber box 17.

The filter 24 includes upper and lower circular flanges 26, 2
7 are connected by four columns 28, and a filter member 31 wound in a cylindrical shape inside is fitted in a filter frame 29 having an upper surface closed. The filter 24 is mounted with its lower end fitted in the through-hole 25 of the negative pressure chamber box, and when air flows from the negative pressure chamber box 17 to the boat-shaped duct 12,
The filtering medium 31 filters oil smoke and oil droplets contained in the air.
As described above, the opening degree of the filter is adjusted by covering the opening of the filter where the filter material is mounted with an appropriate plate material.

Lower flange 1 on front of negative pressure chamber box 17
The upper edge of the apron 32 shown in FIG.
A hook 33 for hooking on the lower flange 19 is formed on an upper edge of the apron 32, and a lower end is bent in a U-shaped cross section to form an auxiliary oil receiving groove 34.
Before mounting the panel plate 35 described below on the front of the negative pressure chamber box 17,
Attach to

On the front surface of the negative pressure chamber box 17, the above-described insertion groove 22 of the upper flange and the auxiliary oil receiving groove 3 of the apron are provided.
4 with the upper edge and the lower edge fitted to each other.
See). That is, by inserting the upper edge of the panel plate 35 into the insertion groove 22 and dropping the lower edge into the auxiliary oil receiving groove 34, the panel plate 35 is
Is mounted so as to cover the front wall opening 36. A large number of air suction slits 37 communicating with the negative pressure chamber box 17 are opened in the panel plate 35, and the lower end thereof has a U-shape so as to be fitted into the auxiliary oil receiving groove 34 of the apron. A bent oil receiving groove 38 is formed. The small end of the oil receiving groove 38 of the panel plate 35 is also closed because a large amount of oil flows down.

The upper surfaces of one spacer box 16 and negative pressure chamber box 17 which are adjacent to each other in pairs are covered with one top plate 5 (see FIG. 12). The top plate 5 has ribs 39 and 40 fitted to the upper front and rear surfaces of the spacer box 16 and the negative pressure chamber box 17, and has the eaves 4 extending above the counter table 7. By fitting the ribs 39 and 40 of the top plate 5 and integrating the upper edge portions of the negative pressure chamber box 17 and the spacer box 16, the upper part of the negative pressure chamber box which is removable with the fixed spacer box 16 is removable. And the upper surface of the counter table 6 is stabilized.

The counter table constructed as above is
Spacer box 16, negative pressure chamber box 17, filter 24, apron 32, panel plate 35 and top plate 5
By arranging desired units as units, a counter base corresponding to the length of the counter 2 is configured. Therefore, each component constituting these units can be manufactured in advance with a certain size, and the installation work of the counter stand can be performed quickly and inexpensively.

[0024]

According to the present invention described above, it is possible to eliminate smoke in a restaurant counter, which has been difficult to smoke-free, by relatively simple construction, especially when an existing counter is smoke-free. The effect is that the renovation work becomes very simple. In addition, since the parts to which oil smoke or oil easily adheres can be detachably mounted in units of relatively small dimensions, daily cleaning is easy and the counter can be always kept clean.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a part of a counter base.

FIG. 2 is a sectional view of a negative pressure chamber box portion.

FIG. 3 is a perspective view showing an example of a configured counter.

FIG. 4 is an exploded perspective view of a negative pressure chamber box.

FIG. 5 is a sectional view of a cross member of the negative pressure chamber box.

FIG. 6 is a perspective view of a panel plate.

FIG. 7 is a perspective view of an apron.

FIG. 8 is a perspective view of a spacer box.

FIG. 9 is a perspective view of a filter.

FIG. 10 is a perspective view of a connection box.

FIG. 11 is a perspective view of a boat-shaped duct.

FIG. 12 is a perspective view of a top plate.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vertical duct 4 Eave 5 Top plate 6 Counter stand 7 Table 11 Connection port 12 Boat-shaped duct 16 Spacer box 17 Negative pressure chamber box 32 Apron 34 Auxiliary oil receiving groove 35 Panel plate 36 Front wall opening 37 Slit 38 Oil receiving groove

Claims (4)

(57) [Claims] 1. An elongated table (7) for allowing a plurality of customers to face each other, and a raised table longitudinal direction used as a table for food and drink to be provided to the customers on the back side as viewed from the customers. In a counter having an elongated counter base (6), the inside of the counter base (6) is a negative pressure chamber connected to the exhaust duct (1), and the negative pressure chamber is
Located at the bottom of the interior space of the
A duct (12) with an elongated upper surface that is open and
Multiple units are detachably mounted on the top of the duct and the bottom (23)
A negative pressure chamber box (17) having a through hole (25).
A number of openings (37) connected to the negative pressure chamber box open on the lower surface of the front wall (35) on the table side of the counter table or the eaves (4) of the counter table that protrudes from the upper edge of this wall to the table side. Smokeless counter characterized by doing. 2. The negative pressure chamber box (17) is on the table side.
Open front and filter (24) on bottom (23)
It has a through hole (25), and has a front panel (35) detachably attached to the open front wall opening (36) of the negative pressure chamber box (17). Negative pressure chamber box (17)
A number of openings (37) communicating with the
The smokeless counter according to claim 1, characterized in that an oil receiving groove (38) having a U-shaped or U-shaped cross section is provided at a lower edge of the (35). 3. A narrow spacer box (16) is fixedly provided in the duct (12) between a plurality of negative pressure chamber boxes (17) arranged on the upper surface of the duct (12). Apron (32) having an auxiliary oil receiving groove (34) having a U-shaped or U-shaped cross section formed on the lower side thereof by engaging with the lower edge (19) of the front wall opening (36) of the pressure chamber box (17). Is detachably attached and the panel board (35)
Is mounted so that the oil receiving groove (38) on the lower side thereof fits into the auxiliary oil receiving groove (34),
The smokeless counter according to claim 2. 4. A vertical duct (1) is connected to a bottom surface or an upper surface of one end of an elongated linear duct (12), and the duct (12) communicates with an exhaust port through the vertical duct (1). The smokeless counter according to claim 2 or 3, wherein the counter is provided.