JP3607380B2 - Range hood fan - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a range hood fan that removes moisture and fats and oils contained in flue gas including waste gas rising from combustion appliances and cooked foods and exhausts it cleanly, and more specifically, operability of the operation unit provided on the front part In addition, the present invention relates to a range hood fan that improves interior performance, durability of a connection cord from a power source, smoke emission efficiency, and the like.
[0002]
[Prior art]
The range hood fan includes a front plate, a hood body provided with an exhaust device, a partition plate provided on the hood body, and a filter supported by a filter bar provided at a tip of the partition plate and a top plate portion of the hood body. A type in which the front plate is inclined toward the front chamber floor in order to expand the space for capturing the flue gas is generally known.
The range hood fan is provided with an operation unit on the front surface of the front plate for operating / stopping / controlling the number of revolutions of the exhaust device and turning on / off the lamp.
[0003]
[Problems to be solved by the invention]
By the way, in the range hood fan, the lower end of the filter usually has a height of about 160 to 165 cm from the floor because of the application of the Fire Service Law or the like. As a result, the front part is also inevitably arranged at a high height.
In addition, in the type of range hood fan described above, the front plate is projected forward above the cooking table on which the combustion appliances are set.
For this reason, when trying to operate the operating unit while standing in front of the combustion appliance, the operating unit is blocked by the front plate and cannot enter the line of sight, making it difficult to operate. In particular, it is difficult for a short person or an elderly person to reach a finger, and the operation becomes more difficult.
In order to solve this problem, as shown in FIG. 6, a belt-like mounting plate a4 having a rearward inclination is fixed to the lower edge of the front plate a2 over the entire length in the width direction, and the operation portion is directed obliquely downward toward the front of the belt-like mounting plate a4. A range hood fan with 2 has already been proposed.
However, in this prior example, because of the assembly of the belt-like mounting plate a4 to the front plate a2, spot weld marks and sink marks are exposed to the inside of the room and the appearance is damaged, and the assembly is complicated.
In addition, the range hood fan has a partition plate a5 horizontally mounted on the back surface of the front surface portion a2 ′ of the front plate a2 over the entire length in the width direction, and an electrical component (switch) of the operation unit is accommodated inside the partition plate a5. The lower illumination (lamp) 7 is attached using the partition plate a5.
Therefore, the capture of the flue gas X is greatly reduced by the protrusion of the partition plate a5 in the entire width direction, so that the flue gas capture efficiency is deteriorated, and the connection cord (not shown) crosses the capture space. It was necessary to protect with a silicon varnish tube etc. because it was wired from the hood body side and was affected by heat and oil smoke.
[0004]
The present invention has been made in view of the conventional circumstances, and its technical problem is a small attachment means provided on the back surface of the front portion of the front plate and covering the fixing portion (sink portion or the like). Supporting the operation part and arranging the lighting means directly above it makes it easy to operate even for short people and elderly people without harming the interior and secure a wide capture space for smoke emission In addition, it is an object of the present invention to provide a range hood fan in which an electrical component (switch) of an operation unit and a connection cord to a lamp can be connected without traversing or exposing the smoke capturing space.
[0005]
[Means for Solving the Problems]
The technical means taken in order to achieve the above-mentioned object is an operation part provided with a front plate whose front part is inclined in the direction of the front room floor, and provided with the front part for operating and stopping the blower unit housed therein. In the range hood fan to be operated, the switch mounting base fixed to the center of the back surface of the lower edge of the front plate, the switch cover attached to the switch mounting base, and the front half provided at the lower end of the switch cover A decorative edge for covering the fixed portion of the switch mounting base with respect to the rim portion from the surface side, and a vertical gutter for vertical wiring extending between the top of the front plate and the switch mounting base or the switch cover and having the inside as a cord wiring space The wiring downpipe is provided with a cord introduction part at the upper end part and a cord extraction part at the lower end part and in the middle part facing the switch cover. And vertical set with vertical shape or rearward downwardly inclined angle with the latter half portion of the decorative edge with mounting the Pukesu, and summarized in that arranged the operating unit to the second half portion.
Further, the wiring vertical rod has a rectangular cross section and the inner hollow portion forms a code wiring space, or has a U-shaped cross section, and the open edge abuts against the back surface of the front plate to form the code wiring space. It shall be.
Furthermore, examples of the operation unit include a push button type and a touch type.
[0006]
According to the above technical means, there are the following actions.
The operation unit can be arranged at the lowest position of the front plate inclined in the front chamber floor direction and at a portion visible from the front position of the cooking table with an angle range from front to front and obliquely downward.
In addition, a vertical gutter for vertical installation along the back of the front plate protects the connection cord from smoke.
Further, the occupation of the smoke capturing space can be suppressed to a small range between the switch cover provided at the center on the back surface side of the front plate and the lamp case disposed immediately above the switch cover.
And it avoids that the total weight of a lamp | ramp distributes by the top part of a front board and a switch mounting part, and concentrates on one place.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described with reference to the drawings.
In FIG. 1 thru | or FIG. 5, the code | symbol A is a range hood fan main body.
[0008]
As shown in FIG. 1, the range hood fan main body A covers the front surface of the hood body a1 with the front surface and the lower surface opened in a detachable manner with a front plate a2, and on the left and right side plates a1 ′ and a1 ′ of the hood body a1. It is in the shape of a box in which a filter a3 is detachably supported by a crosspiece (not shown) at the tip of a partition plate a1 "installed and a crosspiece (not shown) provided on a top plate (not shown). A blower unit (not shown) is accommodated behind a3.
[0009]
The front surface portion a2 ′ of the front plate a2 of the range hood fan main body A is inclined toward the front indoor floor in order to widen the smoke trapping space X with the filter a3. Take care not to be injured with a sharp edge during handling work when the front plate a2 is engaged with and disengaged from the hood body a1 by bending the L-shaped rim 1 on the lower edge upward in the depth direction. is there.
[0010]
At the center of the front surface portion a2 ′ of the front plate a2, the operation portion 2 is disposed so as to face obliquely downward from the lower edge level.
[0011]
The operation unit 2 is a push button, a touch button or the like for controlling ON / OFF of a blower unit (not shown), selection of the number of rotations thereof, and ON / OFF of a lamp as an illumination means, and the front plate a2 It protrudes from the switch cover 4 installed in the switch mounting base 3 partially fixed to the bottom part of the center part of the edge part 1 by appropriate means such as spot welding.
[0012]
The switch mounting base 3 has the same width as the switch cover 4 to be described later and a slightly shorter length. As shown in FIGS. 2 and 3, the switch mounting base 3 is located at the center of the edge portion 1 on the back side of the front plate a 2. A rising plate portion 23 is formed with a predetermined area from the fixed plate portion 13 to be fixed along the front surface portion a2 ′ of the front plate a2, and a pair of left and right mounting plate portions 43, 43 are sandwiched from the front end of the cutout portion 33. The shape is bent toward the filter a3, and the first fixing hole 100 is opened in each of the mounting plate portions 43 and 43, and the third fixing hole 200 is opened at each bending start end. is there.
[0013]
As shown in FIG. 3, each of the mounting plate portions 43 and 43 has a half portion 43a on the side close to the cutout portion 33 and the other half portion 43b on the separated side forming an insertion space 43c. As shown in FIG.
[0014]
The switch cover 4 includes a cover body 14 having a substantially box shape and a decorative edge 24. The switch cover 4 includes a switch 12 having an operation unit 2 therein and a switch support frame 22 that supports the switch 12. It is attached to the switch mounting base 3 in the accommodated state.
[0015]
As shown in FIGS. 2 and 3, the switch support frame 22 has a shape in which L-shaped band plate portions 22b are continuously connected downward and in reverse from both ends of the band plate portion 22a. A third fixing hole 300 corresponding to the first fixing hole 100 is opened, and a screw 400 inserted through the arm plate portion 22c at the lower end of the L-shaped strip plate portion 22b protrudes from the case 12a accommodating the switch 12. The switch 12 and the decorative rim 24 are integrated with each other by passing through the support plate 12 b to be provided and screwing the support plate 12 b to the support portion 24 a on the back surface of the decorative rim 24.
[0016]
The decorative edge 24 has a width dimension in which the front half overlaps the bottom surface of the edging part 1 and is longer than the length dimension of the switch mounting base 3. Is protruding.
[0017]
The switch support frame 22 integrally provided with the decorative edge 24 and the switch 12 is configured such that the protrusion 24b is fitted into the mounting hole 11 opened in the edge portion 1 and the band plate portion 22a of the switch support frame 22 is provided. It is inserted into the insertion space 43c in a sandwiched manner and set on the switch mounting base 3. At this time, the decorative edge 24 hides a spot welded portion or the like, which is the fixed portion Y, from the front side in the front half, and directs the operation portion 2 obliquely downward and forward from the guide hole 24c opened in the rear half. It protrudes (FIG. 2, FIG. 3, FIG. 4).
[0018]
The decorative edge 24, the switch 12, and the switch support frame 22 are fixed by screwing screws 400 into the third fixing hole 300 and the first fixing hole 100 1.
[0019]
As shown in FIG. 4, the cover body 14 has a box shape in which the front side facing the rear surface of the front plate a <b> 2 ′ and the lower side of the front plate a <b> 2 are opened, and the notch is formed at the center of the open edge of the top plate 14 a. A rectangular cutout 14b communicating with the portion 33 is formed, and small cutouts 14c and 14c are formed on the left and right sides of the open edge across the rectangular cutout 14b, and the lower open edge is used as the rear half edge of the decorative edge 24. In a state in which the switch support frame 22 is covered together with the switch 12, the screw 400 inserted through the first insertion hole 500 opened in the top plate portion 14a is screwed into the second fixing hole 200 to attach the switch. It is attached to the base 3.
[0020]
Reference numeral 5 is a vertical gutter for wiring, and as shown in FIG. 3, it has a U-shaped cross section with the inside as a cord wiring space 15 for a connection cord 6 to the switch 12 and a connection cord 6 to a lamp 7 described later. The locking projection piece 25 is formed at one end (upper end) and the insertion projection 35 is formed at the other end (lower end), and a window hole (cord extraction portion) 45 is formed in the middle. Further, a small opening 55 is opened from the other end (lower end) side of the window hole 45.
[0021]
The insertion protrusion 35 protrudes from the center of the edge of the opening (cord extraction part) 65 at the other end, and the locking protrusion 25 is a U-shaped groove (cord introduction) provided at the center of the opening edge of the one end. Part) 75 and a pair of slanted projections.
[0022]
This vertical gutter 5 for wiring further includes a connector 16 from the U-shaped groove (cord introduction part) 75 to a power source (not shown), a connector 26 from the window hole (cord extraction part) 45 to the lamp 7, and The connection cord 6 is fixed in advance in the cord wiring space 15 in a state where the connector 36 to the switch 12 is pulled out together with a part of the connection cord 6 from the opening 65 (cord extraction portion) 65 on the insertion projection piece 35 side.
The wiring vertical gutter 5 is attached by connecting the connectors 36 and 26 to the connector 47a connected to the connector 12c on the switch 12 side and the lamp recess 47 on the lamp 7 side, and the switch support frame 22 as described above. After setting on the mounting base 3, the locking protrusion 25 is inserted and locked into the locking hole a2 "opened at the top of the front plate a2, and the insertion protrusion 35 is inserted into the notch 33 of the switch mounting 3. The opening step portion edge 35a is locked to the switch mounting base 3, and thereafter the base end portion of the insertion protrusion 35 is supported in a non-oscillating manner by the edge of the notch 14b of the cover body 14 attached to the switch mounting base 3. Thus, the opening on the front plate a2 side is vertically provided across the top of the front plate a2 and the cover body 14 with the back surface of the front plate a2 closed (FIGS. 2 to 4).
[0023]
The lamp 7 includes a lamp mount 17, a lamp body 37 supported by the lamp mount 17, and a lamp case 27 that covers the lamp body 37.
[0024]
As shown in FIGS. 3 to 5, the lamp mounting base 17 is provided with an upward inclined surface 17 b and a laterally inclined surface 17 c respectively extending from the upper edge and the side edge of the flat portion 17 a parallel to the rear surface of the front plate a <b> 2. A portion 17d is formed, a lamp recess 47 is attached to the laterally inclined surface 17c, a cover surface 17e is extended from the rising edges of the laterally inclined surface 17c and the upwardly inclined surface 17b, and the connection cord 6 extends behind the cover surface 17e. The positioning protrusion 17f provided at the lower end of the flat surface portion 17a is inserted into and engaged with the small opening 55, and is fixed to the wiring vertical shaft 5 with a screw 400.
Reference numeral 17g is a notch for fitting to be fitted to the vertical cable 5 for wiring.
[0025]
The lamp case 27 has a so-called roof shape in which both side portions of the roof surface are closed with side plates. The lamp case 27 includes a translucent glass 27 a on the inclined lower surface 27 c, and a projecting piece 27 b that projects from the lower edge of the cover body 14. A screw 400 is fastened to the wiring vertical shaft 5 so as to cover the lamp mount 17 and the lamp body 37 together in a state of being inserted and engaged with the notches 14c and 14c and positioned.
[0026]
In the range hood fan having such a switch structure and a wiring structure, the mounting structure of the operation unit 2 is concealed from the front side by the front plate a2 together with the fixing unit Y when separated, and the front surface portion a2 ′ of the front plate a2 is planar. It is clearly exposed as it is. When standing in front of the cooking table, the operation unit 2 that is not conspicuous when it is separated appears in a prominent form at the lowest position of the front plate a2 and can be operated by pushing the fingertip. The connection cord 6 to the switch 12 and the connection cord 6 to the lamp 7 are protected from flue gas, and the total weight of the lamp (including the lamp mounting base, lamp case, and lamp body) is in the front plate a2 and the switch mounting portion. Dispersed and supported, greatly improving durability. The lamp case 27 is provided only on the extension of the switch mounting base 3 and is also provided at the least central part of the rising amount of the smoke rising from the plurality of combustion appliances, thereby reducing the smoke capturing efficiency. The fear of making it disappears. Etc. can achieve the advantages.
[0027]
Although not shown, the rear half of the decorative edge 24 that covers the fixing portion Y of the switch mounting base 3 from the surface side may be suspended so that the operating portion 2 protrudes horizontally forward from that portion. It is. In this case, the mounting plate portions 43 and 43 may be vertically suspended, and the switch support frame 22 may be screwed to the portion at a right angle.
Further, the support structure of the other end (lower end) of the vertical cable 5 for wiring is not limited to the structure shown in the figure, and its opening (cord extraction part) 65 is a switch cover (specifically, cover body 14) 4. A structure may be used in which the switch mounting base 3 is screwed so as to face the inside.
【The invention's effect】
Since the present invention is configured as described above, it has the following advantages.
The switch mounting base is fixed to the back surface of the edge of the lower edge of the front plate, and the rear half of the decorative edge provided at the lower end of the switch cover is vertically or vertically inclined downward from the edge of the edge, and the latter half is Since the operation unit is arranged, the operation unit is easy to see at a low position and easy to operate.
Therefore, even a short person, an elderly person or the like can easily and closely perform the operation / stop / rotation speed control of the exhaust system, the lamp ON / OFF, and the like.
In addition, a wiring gutter that covers the connection cord to the switch and lamp from the flue gas is installed along the back of the front board across the front plate and the switch mounting part, and the lamp case is attached to the wiring gutter. Therefore, the lamp can be stably mounted and supported by using the connecting cord cover means (wiring gutter). Therefore, without using a silicon varnish tube or the like to protect the connection cord or providing a separate means for mounting the lamp, use a common vertical cable for protecting the connection cord from smoke emission and stable mounting of the lamp. It can be done and the structure is simple and economical.
In addition, since the switch cover is mounted and supported by a switch mounting base fixed to the center of the back surface of the rim, the volume protruding into the smoke trapping space is minimized, and the lamp case is provided only on the extension. Thus, the smoke trapping space is not greatly blocked by the partition plate supporting the lamp as in the prior art, and the smoke trapping efficiency is greatly improved.
Also, the fixed part (spot weld, screw, rivet) of the switch mounting base is covered from the front side at the front half of the decorative edge and is not exposed to the room. Since the front part of the front plate is exposed to the room as it is, it can be recognized, providing a simple and refreshing feeling that has never been seen before, increasing the value of the product, and switching even during operation. The cover is hidden by a decorative edge, making it difficult to see and a range hood fan that looks very good.
[Brief description of the drawings]
FIG. 1 is a perspective view of a range hood fan according to an embodiment.
FIG. 2 is an enlarged sectional view taken along line (2)-(2) of FIG.
FIG. 3 is an exploded perspective view showing a relationship among a switch mounting base, a switch, a decorative edge, a wiring gutter, a lamp case, and the like.
FIG. 4 is a perspective view showing a state where a cover body is attached.
FIG. 5 is a perspective view showing a state in which a lamp case is attached.
FIG. 6 is a perspective view of a conventional range hood fan.
[Explanation of symbols]
A: Range hood fan main body a2: Front plate a2 ': Front part 2: Operation part 1: Border part 3: Switch mounting base 4: Switch cover 24: Makeup edge 5: Vertical gutter for wiring 15: Code wiring space 75: Code Introduction part 45, 65: Cord extraction part 7: Lamp 27: Lamp case

Claims (1)

In a range hood fan having a front plate having a front plate inclined toward the front chamber floor, and operating and stopping the blower unit housed in the operation portion provided in the front portion, the edge of the lower edge of the front plate The switch mounting base fixed to the center of the back and back, the switch cover attached to the switch mounting base, and the fixing part of the switch mounting base with respect to the edging portion from the front half provided at the lower end of the switch cover from the front side And a vertical gutter that extends vertically across the top of the front plate and the switch mounting base or switch cover and that has a cord wiring space inside. The lead portion is provided with a cord extraction portion at a lower end portion and a middle portion facing the inside of the switch cover, and a lamp case is attached to a middle portion of the wiring vertical shaft and the latter half portion of the decorative edge Vertical shape or having a rearward downwardly inclined angle and vertical setting, the range hood fan, characterized in that a said operating part to the rear half portion.

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