JP2571987Y2 - Temporary fixing device for main box in range hood fan - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention is a range hood fan which is installed above a cooker such as a kitchen gas stand or an electric stove and discharges combustion gas, oil smoke, odor, etc. generated by cooking to the outside. A top plate, a back plate, a left-right plate, and a U-shaped main box integrally having a front plate that covers the main box from the front, and a blower unit equipped with a filter The present invention relates to a temporary fixing device for a main housing of a constructed range hood fan.

[0002]

2. Description of the Related Art Conventionally, a range hood fan is generally shipped from a factory in the form of a hood body in which a blower is mounted on a hood body and a front plate portion covering a front surface of the hood body. After fixing to the back wall at the construction site, the front plate is assembled to the hood body. In such a range hood fan, the hood body becomes quite heavy, so it is difficult to install the hood by one person and installation work cannot be performed easily, and it is difficult to replace parts in maintenance and service thereafter. From the etc., the applicant has already obtained a top plate portion, a back plate portion, a left-right plate portion integrally formed in
A range hood fan (hereinafter referred to as a unit-type range hood fan) including a front plate portion that covers the main body from the front and a blower unit provided with a filter has been proposed. This unit-type range hood fan first fixes the top plate to the building, and the main plate with the back plate and the left and right plates integrated with this top plate, and a blower unit with a built-in filter. By assembling, there is an advantage that the installation work at the construction site can be greatly simplified as compared with the related art.

[0003]

[Problem to be Solved by the Invention] However, in such a unit-type range hood fan, since the main box is large and bulky, an operator who supports the main box and a top plate section are required. The installation work cannot be performed unless the roles are shared with the worker who is to be mounted. In addition, when performing the mounting work alone, there is a possibility that the main case may be erroneously dropped and damaged, or the operator may be injured due to improper balance.

The present invention has been made in view of the above-mentioned conventional circumstances, and the object thereof is to provide an excellent and safe workability in which the main housing can be mounted after the main housing is temporarily fixed. An object of the present invention is to provide a temporary fixing device for a main box in a range hood fan.

[0005]

The technical means taken to achieve the above object is a plan view in which a top plate fixed to a ceiling wall or a back side wall is integrally provided with a back plate and left and right plate portions. A hood body is formed by attaching a U-shaped main box plate, and a front opening portion of the main box plate is covered with a detachable front plate portion, and a blower unit equipped with a filter is mounted on a top plate portion in the hood body. A temporary fixing device for the main case when the main case is mounted on the top plate in the range hood fan attached to the range hood fan, provided in one of the front half portions of the top plate and the main case. A hanging or recessed hooking portion and a hooking protrusion for hooking the hooking portion, and a screw member having a head spaced from the lower surface of the top plate at a desired distance from the lower surface of the top plate at a desired interval. Smaller than the head of the torsion member provided at a portion corresponding to the torsion member in the rear half of the main housing And a notch for engagement larger than the shaft of the torsion member, and an insertion hole for inserting the head of the torsion member. A hole is opened at a position opposed to the head of the member, and the notch for locking guides the shaft of the screw member when the main box body is horizontally moved rearward to bring the engaging protrusion and the engaging portion into the engaging relationship. The gist of the invention is that it is formed so as to communicate with the insertion hole.

[0006]

According to the above technical means, the head of the screw member is inserted into the insertion hole when the engaging projection and the engaging portion are in a facing relationship. In this state, the main case is horizontally moved rearward to engage the engaging projection with the engaging portion. At this time, the shaft of the screw member is formed at a position in front of the insertion hole, and is guided by a latching notch smaller than the head of the screw member and larger than the coaxial portion, and the head of the screw member is extracted. Hang on impossible. As a result, the main case is temporarily stopped so as not to fall at the two points of the first half and the second half. From this state, the main case is attached and fixed to the top plate.

[0007]

[Effects of the Invention] As described above, the present invention is a temporary fixing device for a main housing in a range hood fan in which a main housing is temporarily fixed to a top plate so as not to fall at two points of a front half and a rear half. ,
There are the following advantages. (1) Since the main box can be temporarily attached to the top plate, it can be mounted temporarily. The disadvantage of performing the work of attaching the main box to the top plate while supporting the main box by hand It is possible to wipe out the fact that the installation work is laborious and the construction cannot be performed simply, and that the main case is accidentally dropped and damaged, or the operator is injured. (2) With the head of the screw member screwed to the top plate portion inserted through the insertion hole provided in the main case, the main case is horizontally moved backward so that the engaging projection and the engaging portion engage with each other. By moving
Since the main box can be temporarily fixed, the work of temporarily fixing the main box is very simple.

[0008]

Next, an embodiment of the present invention will be described with reference to the drawings. 1 to 4 show a temporary fixing device for a main box in a range hood fan according to the present embodiment. Reference numerals 1 and 2 denote a top plate portion and a main box constituting the hood body A of the range hood fan, and 3 denotes a stowage installed in the main box body 2 after the main box body 2 is fixedly attached to the top plate portion 1. Is a blower unit provided with a filter 3a to be used. In addition, the front plate part which covers the front opening part of the main case 2 is omitted.

The top plate portion 1 is formed in a substantially flat box shape having a rectangular shape in a plan view in which a flange portion 11 is vertically provided except for a front edge by press working using a metal flat plate.

The main case 2 is formed by pressing the back plate 12, the left and right plates 22,
It is formed in a U-shape in plan view integrally having 22, and has a flange portion 32 formed inward at the periphery.

The top plate portion 1 is provided with a hole-shaped or concave-shaped engaging portion 4 at a front edge and a screw member 5 at a rear portion.

The engaging portion 4 is formed by opening or recessing a rectangular shape in a front view at two front hanging portions 14, 14 hanging from the left and right front edges of the top plate portion 1. A screw hole 24 is formed adjacently.

The torsion member 5 is in a state in which the head 15 is separated by a desired distance from the lower surface of the top plate 1 at the portion of the top plate 1 immediately behind and perpendicular to the engagement portion 4. Is screwed on.

The main body 2 is provided with an engaging projection 6 which is inserted into and engages with the engaging portion 4, a notch 7 for engagement, and an insertion hole 8.

The engaging projection 6 is provided on the left and right plate portions 2 of the main housing 2.
The screw holes are formed so as to protrude from the metal plate 16 riveted at the height positions corresponding to the engaging portions 4 on the inner surfaces of the flange portions 32, 32 at the front edges, in the direction of the engaging portions 4, that is, backward.
A through hole 26 is opened in a portion of the metal plate 16 corresponding to 24.

The latching notch 7 and the insertion hole 8 are connected to the back plate 12 so as to correspond to the screw member 5 at the upper end portion of the inner surface of the main case 2 which is an extended rear portion of the latching projection 6. Left and right plate
Triangular flat plates 9 each having a triangular shape when viewed from above
Is formed.

The insertion hole 8 is opened with a diameter enough to insert the head 15 of the screw member 5, and as shown in FIG. 3, the engagement protrusion 6 is located at the front of the engagement portion 4, that is, facing. At the time, a hole is formed in the flat plate 9 so that the head 15 of the screw member 5 can be inserted.

As shown in FIG. 4, the latching notch 7 is formed to have a width smaller than the head 15 of the screw member 5 and larger than the shaft portion 25 of the screw member 15. When the head 15 of the torsion member 5 is inserted through the main box 2 and is horizontally moved rearward, the engaging projection 6 is inserted into the engaging portion 4 and the shaft 25 of the torsion member 5 is disengaged. The front of the insertion hole 8 and the insertion hole 8
It is cut off in communication with.

In the range hood fan constructed as described above, the procedure for mounting the main case 2 to the top plate 1 is as follows.
And a pair of top plates 1
Is installed horizontally. Next, the screw member 5 is screwed into a screw hole formed at a predetermined position of the top plate 1 such that the head 15 is separated from the lower surface of the top plate 1 by a desired distance. The torsion member 5 may be screwed to the top plate 1 in advance at a factory. Then, the main case 2 is lifted and the head of the screw member 5 is inserted into the insertion hole 8.
Insert 15 In this state, the engaging projection 6 and the engaging part 4 naturally have a relationship facing each other as shown in FIG. Subsequently, the main housing 2 is horizontally moved rearward so that the engaging projection 6 is inserted into and engaged with the engaging portion 4. The latching notch 7 guides the shaft portion 25 of the torsion member 5 so as not to hinder the horizontal movement of the main body 2, and the main body 2 is moved to the front half and the rear half of the top plate 1 as shown in FIG. At the two points, it is temporarily stopped so that it cannot fall. Finally, a mounting screw 100 is screwed into the screw hole 24 through the through hole 26, and the screw member 5 is screwed tightly so that the main housing 2 is fixedly mounted on the top plate 1 to form the hood body A.

In the present invention, a hooking portion 6 is provided on the main box 2 and a hooking projection 6 is provided on the top plate portion 1. The main box 2 is horizontally moved rearward to form a hooking relationship. Including those that do.

[Brief description of the drawings]

FIG. 1 is a plan view showing a use state of a temporary fixing device for a main housing in a range hood fan according to an embodiment.

FIG. 2 is a front view of the same.

FIG. 3 is a side cross-sectional view showing a state where the head of the screw member is inserted into the insertion hole.

FIG. 4 is a side cross-sectional view showing a state where the main case is temporarily fixed at two points, a front part and a rear part of the top plate, and then the main case is attached and fixed.

[Explanation of symbols]

 A: Hood body B: Back side wall 1: Top plate part 12: Back plate part 22, 22: Left and right plate part 2: Main box body 3: Blower unit 4: Engagement part 6: Engagement protrusion 5: Torsion member 15: Torsion Member head 25: Shaft of torsion member 8: Insertion hole 7: Notch for hook

Claims (1)

(57) [Scope of request for utility model registration] 1. A top plate fixed to a ceiling wall or a back side wall,
A back plate portion, a hood body is formed by attaching a U-shaped main box plate integrally having left and right plate portions, and a front open portion of the main box plate is covered with a detachable front plate portion, and A temporary fixing device for the main case when the main case is mounted on the top plate in a range hood fan in which a blower unit having a filter is mounted on the top plate in the hood, wherein the top plate and A hanging or concave engaging portion provided in one of the front half portions with the main casing and an engaging protrusion engaging with the engaging portion, and a rear half of the top plate portion from the lower surface of the top plate portion A torsion member having its head screwed at a desired interval, and a shaft portion of the torsion member provided at a portion corresponding to the torsion member in the rear half of the main body and smaller than the head of the torsion member And a through hole for inserting the head of the screw member, the insertion hole being larger than the notch for engaging. A hole is opened at a position facing the head of the screw member when the portion and the engaging portion are facing each other, and the engaging notch moves the main box body horizontally rearward to engage the engaging protrusion with the engaging portion. A temporary fixing device for a main box in a range hood fan, wherein the device is formed so as to communicate with the insertion hole so as to guide a shaft portion of a screw member when making a relationship.