JP5649816B2 - Exhaust port cover - Google Patents

Description

  The present invention relates to an exhaust port cover, and more particularly to an exhaust port cover used for an exhaust port of a system kitchen range in which a fish grill grill or an oven is incorporated.

  In recent years, there has been proposed an exhaust port cover as shown in Patent Document 1 that prevents the exhaust port from being soiled while discharging exhaust heat from the exhaust port of a system kitchen range or the like.

  6 is a perspective view showing a state in which a conventional exhaust port cover shown in Patent Document 1 is installed around the exhaust port, and FIG. 7 is an enlarged view of the “Z” portion shown in FIG. FIG. 8 is a perspective view, and FIG. 8 is an end view of the VIII-VIII line shown in FIG.

  With reference to these drawings, an exhaust port cover 71 is provided around the outer frame portion 63 of the exhaust port 61 on the guard plate 53 of the system kitchen range 50. From the side of the exhaust port 61 to the upper side of the exhaust port 61, the side part of the exhaust port 61 is covered by the side wall part 74 by the rising body part 73 a and the inclined body part 73 b of the exhaust port cover 71. Note that the wall 69 side of the exhaust port 61 is not covered with the exhaust port cover 71 and is open. An attachment component 80 is detachably attached to the edge winding 75 at the lower end of the side wall portion 74 via an edge winding guide piece 81. It is firmly attached to a guard plate 53 made of a magnetic material.

When the grilled grill or the like is used with the exhaust port cover 71 installed as described above, and the exhaust heat 67 is exhausted from the exhaust port 61, the exhaust heat 67 rises as shown by the dotted line in the figure, and the rising body portion 73a and the inclined body. It rises along the portion 73b and is discharged upward. Here, for example when the distance _{F 2} between the exhaust port 61 and the wall 69 is 175mm, when the discharge state is passed around successive 2 hours the temperature of the exhaust heat 67 in the outlet side of the exhaust port 61 is a 500 to 600 ° C. Even so, the wall surface temperature of the wall surface 69 is only 75 ° C. Therefore, the wall surface 69 does not rise to 100 ° C. or more which causes a low-temperature fire, and the grilled fish grill or the like can be used with the exhaust port cover 71 installed.

FIG. 9 is an end view of the IX-IX line shown in FIG.
Referring to the drawing, a mounting part 80 is integrally connected to a permanent magnet 89 having a rectangular cross-sectional shape, a frame part 83 made of a magnetic material surrounding the permanent magnet 89, and the frame part 83, and the cross-sectional shape is inverted S. It comprises a letter-shaped edge winding guide piece 81. The inner diameter D ₃ of the cylindrical portion of the edge winding guide piece 81 is 3 mm, which is substantially the same as the outer diameter of the edge winding 75, and the distance of the gap 85 formed between the end of the edge winding guide piece 81 and the end of the frame portion 83. a ₂ has a 1.5mm. Therefore, the edge winding 85 is prevented from coming off in a direction perpendicular to the axial direction. Further, since the outer diameter of the inner diameter D ₃ and Enmaki 75 of the cylindrical portion of the Enmaki guide pieces 81 is approximately the same size, Enmaki 75 engages snugly in the interior of Enmaki guide piece 81, side walls The part 74 and the attachment part 80 are in a stable coupled state.

JP-A-9-89273

  In the case of a conventional exhaust port cover as described above, if the distance between the exhaust port and the wall surface is closer, there is a risk that the wall surface temperature will rise excessively when the exhaust port cover is installed. When it became high, it was necessary to remove it each time. In addition, from 2009, according to the inspection regulations of the Japan Gas Appliances Inspection Association, the inspection from when the distance from the exhaust port to the wall surface was 150 mm up to 50 mm has been included in the assumption. Therefore, there is a possibility that the inspection cannot be cleared with the conventional exhaust cover installed.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an exhaust port cover that can easily change the state of the cover without being removed each time exhaust heat is discharged.

In order to achieve the above object, the invention according to claim 1 is an exhaust port cover for preventing the exhaust port located on the rear side of the stove from becoming dirty, and is provided around the exhaust port and on the stove side. An edge between the first position that covers the upper portion of the exhaust port and the second position that opens the upper portion of the exhaust port. A cover body attached to the fixture via a part of the edge winding so as to be swingable about the axis of the winding, and when the cover body is in the first position, the center of gravity of the cover body is the axis When the cover body is in the second position with respect to the vertical plane passing through the heart, the center of gravity of the cover body is located on the opposite side of the exhaust plane with respect to the vertical plane.

If comprised in this way, a cover main body will be stabilized in the 1st position which becomes an exhaust port side, and the 2nd position which becomes a stove side .

  According to a second aspect of the present invention, in the configuration of the first aspect of the present invention, the fixture has an engaging portion that engages with a part of the edge winding, and the engaging portion has a circumferential wall in the entire axial direction. A part is opened as an open part, the inner diameter is slightly larger than a part of the edge winding, and the linear distance in the circumferential direction of the opening part is smaller than the outer diameter of a part of the edge winding.

  If comprised in this way, a cover main body will rock | fluctuate in the circumferential direction of an open part, and an edge winding will be slidable to an axial direction with respect to an engaging part, but will be in the retaining state in the orthogonal | vertical direction with respect to an axial direction.

  According to a third aspect of the present invention, in the configuration of the second aspect of the invention, the cover main body has rounded corners, and a part of the edge winding gradually has a predetermined outer diameter toward the corners. The diameter is reduced until the outer diameter is reached, and the corner is formed with a predetermined outer diameter.

  If comprised in this way, the engaging part of a fixture can be engaged with a cover main body using the edge winding part of a predetermined | prescribed outer diameter.

  According to a fourth aspect of the present invention, in the configuration of the first aspect of the present invention, the fixture includes a bent magnetic body and a magnet partially surrounded by the magnetic body. In addition, a part of the magnetic body constitutes the engaging portion.

  If comprised in this way, when an exhaust port periphery is a magnetic body, a fixture will be fixed firmly.

As described above, an invention according to claim 1, since the cover body is stable in the second position to be the first position and the stove side as the outlet port side, it is possible to easily change the position of the cover body, Usability is improved.

  In the invention according to claim 2, in addition to the effect of the invention according to claim 1, the cover main body swings in the circumferential direction of the opening portion, and the edge winding is slidable in the axial direction with respect to the engaging portion. Since it is in a state of being prevented from coming off in a direction perpendicular to the axial direction, it is easy to adjust the position of the fixture, and the cover main body does not accidentally fall off from the fixture.

  According to the third aspect of the invention, in addition to the effect of the second aspect of the invention, the engaging portion of the fixture can be engaged with the cover body using the edge winding portion having a predetermined outer diameter. The attachment / detachment of the fixture to / from the cover body is facilitated.

  In the invention according to claim 4, in addition to the effect of the invention according to any one of claims 1 to 3, when the periphery of the exhaust port is a magnetic body, the fixture is firmly fixed. The installation state of is stable.

It is the perspective view which showed the state which installed the exhaust port cover by 1st Embodiment of this invention around the exhaust port, Comprising: It is a figure corresponding to FIG. 6 of a prior art. FIG. 2 is an enlarged perspective view of an “X” portion shown in FIG. 1. It is an end elevation of the III-III line shown in FIG. 2, and is a view corresponding to FIG. 8 of the prior art. FIG. 4 is an enlarged view of a “Y” portion shown in FIG. 3. FIG. 4 is a schematic diagram showing a process of moving the position of the cover body and the center of gravity of the cover body when the exhaust port cover shown in FIG. 3 is used. It is the perspective view which showed the state which installed the conventional exhaust port cover shown by patent document 1 around the exhaust port. FIG. 7 is an enlarged perspective view of a “Z” portion shown in FIG. 6. FIG. 8 is an end view of the VIII-VIII line shown in FIG. 7. FIG. 8 is an end view of the IX-IX line shown in FIG. 7.

  FIG. 1 is a perspective view showing a state in which an exhaust port cover according to a first embodiment of the present invention is installed around an exhaust port, and corresponds to FIG. 6 of the prior art.

  Referring to the drawing, an exhaust port cover 71 according to the prior art is replaced with an exhaust port cover 1 according to the first embodiment of the present invention. The exhaust port cover 1 is formed in a panel shape by press working with an aluminum foil having a thickness of 120 μm, and the cross section in the short direction is an arc shape. The cover main body 20a and the cover main body 20b, which are formed as portions covering the exhaust port 61, have a slide structure that is slidable in the longitudinal direction with overlapping edge winding portions in the longitudinal direction. Since other parts are the same as those shown in FIG. 6, the description thereof will not be repeated.

  If comprised in this way, since the whole length of the exhaust port cover 1 can be changed, according to the length of the exhaust port 61, the whole length of the exhaust port cover 1 can be adjusted.

  FIG. 2 is an enlarged perspective view of the “X” portion shown in FIG.

  Referring to the figure, the exhaust port 61 is covered with the exhaust port cover 1 from the side opposite to the wall surface 69 of the exhaust port 61 to the upper side of the exhaust port 61. On the other hand, the side of the exhaust port 61 and the side of the wall surface 69 are not covered with the exhaust port cover 1 and are open.

  The exhaust port cover 1 includes a cover body 20 and a fixture 10.

  The cover body 20 has a substantially rectangular shape in plan view in which an edge winding 21 is formed on the entire outer periphery of the cover body 20 and has rounded corners 25. The cross-sectional shape orthogonal to the longitudinal direction is an arc shape. is there. The edge winding 21 includes a first edge winding portion 22, an edge winding changing portion 23 whose one end is connected to the end portion of the first edge winding portion 22 and the winding diameter is gradually reduced, and the edge winding changing portion 23. It consists of the 2nd edge winding part 24 by which the one end is connected to an end. The first edge winding portion 22 is formed over substantially the entire upper end portion and lower end portion of the cover body 20, and the second edge winding portion 24 is formed over the corner portion 25 and the entire side end portion of the cover body 20.

  The fixture 10 has an engagement portion 13 having a part of its peripheral wall opened as an open portion 14 in the entire axial direction and an inner diameter slightly larger than the outer diameter of the first edge winding portion 22. In addition, the detail of the dimension of the engaging part 13 is mentioned later. The fixture 10 incorporates the engaging portion 13 with respect to the second edge winding portion 24 around the corner portion 25, and moves the fixture 10 toward the first edge winding portion 22 via the edge winding changing portion 23. By sliding, the cover body 20 is attached to the first edge winding portion 22 at the lower end portion. The exhaust port cover 1 to which the fixture 10 is attached is installed on the immediate side (front side) of the outer frame portion 63 of the exhaust port 61, and a guard plate made of a magnetic material by the magnet 11 incorporated in the fixture 10. 53 is firmly attached.

  If comprised in this way, since the engaging part 13 of the fixture 10 can be engaged with the cover main body 20 using the 1st edge winding part 22, attachment / detachment to the cover main body 20 of the fixture 10 is easy. It becomes.

  Moreover, since the 1st edge winding part 22 can be slid to an axial direction with respect to the engaging part 13, the position adjustment with respect to the cover main body 20 of the fixture 10 becomes easy.

  FIG. 3 is an end view taken along the line III-III shown in FIG. 2 and corresponds to FIG. 8 of the prior art.

Referring to the drawing, an exhaust port cover 71 according to the prior art is replaced with an exhaust port cover 1 according to the first embodiment of the present invention. Further, the distance F ₁ between the exhaust port 61 and the wall surface 69 is shorter than F ₂ (175 mm). Here if the distance _{F 1} and 50 mm. Since other parts are the same as those shown in FIG. 8, the description thereof will not be repeated here.

  FIG. 4 is an enlarged view of a “Y” portion shown in FIG.

Referring to the drawing, a fixture 10 is integrally connected to a magnet 11 having a rectangular cross-sectional shape, a frame 12 made of a magnetic material surrounding the magnet 11, and the frame 12, and the cross-sectional shape is substantially cylindrical. And an engaging portion 13. Those inner diameter _{D 1} of the engaging portion 13 is slightly larger than the outer diameter _D 2 (4 mm) of the first Enmaki portion 22, the distance _{A 1} of the opening portion 14 than the outer diameter _{D 2} of the first Enmaki 22 0.5 mm to 1.0 mm smaller.

  If comprised in this way, since the 1st edge winding part 22 will be in the state of retaining at right angles with respect to the axial direction, the cover main body 20 will not fall carelessly from the fixture 10, and the cover main body 20 and the fixture 10 Is a stable combined state.

Since the panel portion of the cover body 20 protrudes from the opening portion 14 to the outside of the engaging portion 13, the cover body 20 has a contact surface P ₁ with the frame body 12 around the axis of the first edge winding portion 22. in between the up facing surface P ₂ of the end portion of the engaging portion 13 swings freely in the circumferential direction of the engaging portion 13.

Here, a position when the cover body 20 are in contact with the frame member 12 and the contact surface P _1, the position of the cover body 20 shown by the solid line in FIG. 4 and the first position. Further, the cover body 20 is a position when the contact at the end and contact surface P ₂ of the engaging portion 13, the position of the cover body 20 shown by the two-dot chain line in FIG. 4 and the second position.

  Then, the position of the cover body 20 can be easily changed between the first position and the second position. This effect will be described later.

  FIG. 5 is a schematic diagram showing a process of moving the position of the cover body and the center of gravity of the cover body when the exhaust port cover shown in FIG. 3 is used.

First, referring to (1) of FIG. 5, the exhaust port cover 1 is installed around the exhaust port 61, the position thereof is fixed by the fixture 10, and the cover body 20 is tilted toward the exhaust port 61. At this time, the center of gravity of the cover main body 20 is configured to be located on the exhaust port 61 side with respect to the vertical surface 30 passing through the axis of the first edge winding portion 22. Therefore, although rotation moment M ₁ in the clockwise direction toward the side of the exhaust port 61 takes in the cover body 20, the cover body 20 becomes a contact state to the frame 12, the cover body 20 is stable at the first position . In this state, the exhaust port cover 1 exerts a cover effect on the exhaust port 61.

  Next, referring to (2) of FIG. 5, the cover body 20 is slightly raised from the exhaust port 61 side to the virtues 59 side. Here, when the position of the center of gravity of the cover body 20 is located on the vertical surface 30, no rotational moment is applied to the cover body 20, and the cover body 20 becomes unstable.

Further, referring to FIG. 5 (3), the cover main body 20 is further tilted toward the virtues 59. At this time, since the center of gravity of the cover body 20 to move to the side of the trivet 59 with respect to the vertical plane 30, the counterclockwise direction around the rotational moment M ₂ but is applied the cover body toward the side of the trivet 59 to the cover body 20 20 comes into contact with the engaging portion 13, and the cover body 20 is stabilized at the second position. When the cover body 20 comes to the second position, the upper part of the exhaust port 61 is completely opened. When a fish grill or the like is used in this state, the exhaust heat 67 discharged from the exhaust port 61 rises directly above the exhaust port 61 as shown by the dotted line in the figure, and is discharged without hitting the wall surface 69. As a result, the temperature of the wall surface 69 does not rise excessively.

  Thus, since the cover body 20 is stable at the first position and the second position, the exhaust port 61 is usually covered at the first position to prevent the exhaust port 61 from being contaminated, and the exhaust heat 67 is generated from the exhaust port 61. In the case of being discharged, it is only necessary to move to the second position and open the upper portion of the exhaust port 61 so that the exhaust heat 67 does not hit the wall surface 69. That is, since the wall surface temperature of the wall surface 69 can be prevented from being excessively increased without removing the cover body 20 each time, the usability is improved.

  In the first embodiment, the cover main body is divided into two sheets and has a slide structure. However, the cover main body may be composed of only one sheet.

  Further, in the first embodiment described above, the edge winding is formed on the entire circumference of the outer edge of the cover body, but it may be formed on at least a part of the outer edge.

  Furthermore, in the first embodiment described above, the edge winding of the cover body is composed of the first edge winding portion, the edge winding changing portion and the second edge winding portion, but can be engaged with the engaging portion of the fixture. If it is, the edge winding which consists of a fixed outer diameter may be sufficient.

  Furthermore, in the first embodiment described above, the cover main body has rounded corners, but it may be formed in a panel shape.

  Furthermore, in the first embodiment described above, the fixture includes a magnet, but the magnet may not be included as long as the position of the exhaust port cover can be fixed.

  Furthermore, in the first embodiment described above, the engaging portion is configured by a part of the frame, but may be configured by a member different from the frame.

  Furthermore, in the first embodiment described above, the frame of the fixture is made of a magnetic material, but it may be made of a nonmagnetic material.

  Furthermore, in the above first embodiment, the distance of the open portion is 0.5 mm to 1.0 mm smaller than the outer diameter of the first edge winding portion, but in order to maintain the retaining state It is sufficient if it is not larger than the outer diameter of the first edge winding portion. Alternatively, in the case where it is not necessary to prevent the removal, the distance of the opening portion may be larger than the outer diameter of the first edge winding portion.

DESCRIPTION OF SYMBOLS 1 ... Exhaust port cover 10 ... Mounting tool 11 ... Magnet 12 ... Frame body 13 ... Engagement part 14 ... Opening part 20 ... Cover main body 21 ... Edge winding 22 ... 1st edge winding part 23 ... Edge winding change part 24 ... 2nd Edge winding part 25 ... corner part In addition, the same code | symbol in each figure shows the same or equivalent part.

Claims (4)

An exhaust port cover for preventing dirt on the exhaust port located on the rear side of the stove,
A fixture that is attached to the position on the stove side around the exhaust port;
It is formed in the shape of a panel having an edge winding on at least a part of the outer edge, and the axis of the edge winding is positioned between a first position covering the upper side of the exhaust port and a second position opening the upper side of the exhaust port. A cover body attached to the fixture via a part of the edge winding so as to be swingable in the center;
When the cover body is in the first position, the center of gravity of the cover body is located on the exhaust port side with respect to a vertical plane passing through the axis,
An exhaust port cover, wherein when the cover body is in the second position, the center of gravity of the cover body is located on the opposite side to the exhaust port with respect to the vertical surface. The fixture has an engaging portion that engages with a part of the edge winding,
The engaging portion has a cylindrical shape in which a part of the peripheral wall is opened as an open portion in the entire axial direction, and an inner diameter is slightly larger than a part of the edge winding,
The exhaust port cover according to claim 1, wherein a linear distance in a circumferential direction of the open portion is smaller than an outer diameter of a part of the edge winding.   The cover body has rounded corners, and a part of the edge winding decreases toward the corners until the outer diameter gradually becomes a predetermined outer diameter, and the predetermined outer diameter The exhaust port cover according to claim 2, wherein the corner portion is formed. The fixture includes a bent magnetic body and a magnet partially surrounded by the magnetic body,
The exhaust port cover according to any one of claims 1 to 3, wherein a part of the magnetic body constitutes the engaging portion.

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