JPH04136430U - Front panel mounting structure - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a front panel mounting structure that can reduce the number of parts and assembly man-hours, and reduce the thickness of an indoor unit. [Structure] At least a plurality of locations on the upper edge 5a of the front panel 5 are welded to the upper edge 3a of the suction opening 3 of the front grill body 2. A plurality of claws 7 which are thinner than the thickness of the front panel 5 are formed on the lower edge 5b of the front panel 5. The front and rear surfaces of these claws 7 fit into a plurality of claw receivers 8 provided on the lower edge 3b of the suction opening 3 so as to be able to come into contact with them.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention has a mounting structure for the front panel that is attached to the intake opening of the front grille body. Regarding.

0002

[Conventional technology]

Conventionally, as a mounting structure for this type of front panel, for example, the one shown in Fig. 3 has been used. It is known (Japanese Utility Model Application No. 1-136825). This mounting structure is suitable for air conditioning equipment A front grill body 22 having a suction opening 23 and an outlet opening 24 at the top and bottom of an indoor unit 21. The front panel 25 is attached to the front panel 25 (see FIG. 3(A)). That is, in Figure 3(B) As shown, there are three horizontally spaced holes in the suction opening 23 of the front grill body 22. A standing bar 26 was passed, and a cushion 29 was attached to the recess 28 on the front side of the standing bar 26. While a hat-shaped receiving portion 27 is provided, a suction grill 30 (see FIG. 3(A)) is provided on the entire surface. A rib is provided on the back surface of the front panel 25 that comes into contact with the cushion 29 and fits into the recess. 31, and the four peripheral edges of the front panel 25 and a plurality of abutting portions of the ribs 31. Fix it to the front grill body 22 with the screws 32. In addition, the entire back surface of the front panel 25 A filter 33 is inserted so as to be in contact with the rear end of the vertical bar 26. With this mounting structure, the strength of the front grille is ensured and the front panel is This prevents abnormal noise from occurring at the contact portion between the panel 25 and the front grill body 22.

0003

[Problem that the idea aims to solve]

However, the above-mentioned conventional front panel mounting structure has a vertical pier on the back side of the front panel 25. Since the filter 33 is inserted through 26, it is close to the back side of the front panel 25. There is a drawback that the filter 33 cannot be installed because of this, and the thickness of the indoor unit increases accordingly. . In addition, even though it is almost never disassembled after assembly, the front panel 25 is Because the abutting parts of the periphery and ribs are fixed to the front grill body 22 with a plurality of screws 32. , it requires space for the screws and machining of pilot holes, and it is time-consuming to tighten the screws during assembly. It has the disadvantage that it takes a long time.

0004 Therefore, the purpose of this invention is to create a mounting structure for the front panel that does not require screws and that reduces the thickness. By eliminating the need for indoor units, we aim to reduce the number of parts and assembly man-hours. The object of the present invention is to provide a front panel mounting structure that can reduce the thickness.

[0005]

[Means to solve the problem]

In order to achieve the above object, the front panel mounting structure of the present invention is illustrated in FIG. As shown in FIG. In the case where the front panel 5 is attached, at least multiple locations on the upper edge 5a While welding to the upper edge 3a of the suction opening 3 of the front grill body 2, the front panel A plurality of claws 7 which are thinner than the thickness of the front panel 5 are formed on the lower edge 5b of the front panel 5, and These claws 7 are provided in a plurality of claw receivers 8 whose front and rear surfaces are provided on the lower edge 3b of the suction opening 3. It is characterized by being fitted in such a way that it can come into contact with.

[0006]

[Effect]

When attaching the front panel 5 to the front grill body 2, for example, A plurality of holes are provided on the edge 5a, and a plurality of holes are provided on the upper edge 3a of the suction opening 3 of the front grill body 2. The lower edge 5 of the front panel 5 is inserted through the resin pins 9 protruding into the respective receiving portions 6. A plurality of claws 7 provided on b are connected to a plurality of claw holders provided on the lower edge 3b of the suction opening 3. 8 and fit together. Next, the tip of the inserted pin 9 is heated, for example. It is melted and welded to the front panel 5. Therefore, due to the welding of the pin 9, the size of the front panel 5 relative to the front grill body 2 may be incorrect. While allowing for the difference, the front panel 5 can be securely gripped without wobbling by fitting the claws 7. It can be attached to the main body 2. In addition, the thickness of the claw receiver 8 should be the same as that of the front panel 5. The filter 33 can be placed close to the back surface of the front panel 5 while keeping the indoor unit 1 In addition to reducing the thickness of the material, screws are no longer required, reducing the number of parts and assembly man-hours. can be achieved.

[0007]

【Example】

Hereinafter, the present invention will be explained in detail with reference to illustrated embodiments. Figure 1 is a front view showing an example of an indoor unit that adopts the front panel mounting structure of the present invention. It is. The front panel 5 includes a front grill having a suction opening 3 and an outlet opening 4 for the indoor unit 1. It is attached to the suction opening 3 of the main body 2. That is, the front panel 5 Eight places on the upper edge 5a and two places on the right end of the lower edge 5b are connected to the upper edge 3a and the right end of the suction opening 3. Welded to the receiving parts 6 provided at intervals on the lower edge 3b, and the lower edge 3b The six claws 7 formed at intervals are inserted into the claw receiver provided on the lower edge 3b of the suction opening 3. 8 and is attached to the front grill body 2. Note that in Figure 1, Figure 3 and The same members are given the same numbers.

[0008] As shown in FIG. 2(A), the receiving portion 6 extends from the upper edge 3a of the suction opening to the front grill main body. It is provided in an L-shape protruding toward the inside of the body 2, and a thermoplastic synthetic resin is installed in the center of the vertical part 6a. It has a pin 9 consisting of: The front panel 5 has this pin 9 fitted into the receiving part 6. Insert the inserted pin 9 into the pin hole and crush the tip of the inserted pin 9 with a heated iron to remove the front panel 5. weld. The claw 7 is located at the bottom of the rectangular lower edge 3b of the front panel 5, as shown in FIG. 2(B). A protrusion 7a with a triangular cross section is formed on the bottom edge 3b, and a horizontal engagement groove 7b is formed on the back surface of the lower edge 3b. A narrow portion 7c is formed below this. Moreover, the claw receiver 8 that fits into the claw 7 is A groove 10 with a triangular cross section is provided so that the projection 7a fits into the lower edge 3b of the suction opening. , an inverted L-shaped abutment member 11 that abuts the front surface of the protrusion 7a, and an abutment member 11 that extends along the lower edge 3b. Then, a fitting member 12( (see Figure 1). In addition, in FIG. 2, the part that is in contact with the lower surface of the lower edge 3b of the suction opening 3 is the This is a pull tab protruding from the center of the lower side of the router 33 (see FIG. 1).

[0009] The front panel 5 having the above configuration is attached to the front grill body 2 as follows. The upper edge 5a and lower edge 5b of the front panel are connected to the upper edge 3a of the suction opening 3 of the front grille body. and fit into the ten receiving parts 6 provided at the right end of the lower edge 3b, and protrude from each receiving part. Insert the pin 9 into the pin hole in the front panel 5. Also, on the lower edge 5b of the front panel The six claws 7 thus formed are attached to the claw receiver 8 provided on the lower edge 3b of the suction opening 3. The front and left and right surfaces of the raised part 7a are in contact with the groove 10, and the engaging groove 7b and the narrow part 7c of the claw 7 are the fitting part. It fits into contact with the material 12. Next, the tip of each pin 9 inserted is heated. The front panel 5 is welded to the front grill body 2 by crushing it with a chisel.

0010 In this way, insert the entire upper edge 5a and part of the lower edge 5b of the front panel 5 into the pin holes. Since it is fixed to the front grill body 2 by welding the pin 9, there is no dimensional error on the front panel 5. Even if there is a difference, it can be easily fixed to the front grill body 2, and it can also be fixed to the bottom of the front panel 5. The claw 7 on the edge 5b is inserted into the claw receiver 8 by inserting its front, rear, left and right surfaces between the groove 10 and the fitting member 12. Since it is held in place, the front panel 5 is securely fixed to the front grill body 2 without wobbling. can do. Furthermore, the thickness of the claw receiver 8 that sandwiches the narrow portion 7c of the lower edge 5b of the front panel 5 is Since the thickness is approximately the same as that of the front panel 5, the filter 33 is attached to the front panel 5 as shown in FIG. It can be placed close to the back surface, and the thickness of the indoor unit 1 can be reduced. Furthermore, the front Panel 5 is installed using only welding and nail fitting without using screws. This can significantly reduce the number of parts and assembly man-hours.

[0011]

[Effect of the idea]

As is clear from the above explanation, the front panel mounting structure of the present invention is Weld at least multiple points of the upper edge of the front grille to the upper edge of the intake opening of the front grille body , form multiple claws on the lower edge of the front panel that are thinner than the thickness of the front panel, and these The claw is fitted so that its front and rear surfaces can come into contact with a plurality of claw receivers provided at the lower edge of the suction opening. Since no screws are required for installation, the number of parts and assembly man-hours can be reduced, and the front panel The filter can be placed close to the back of the indoor unit, reducing the thickness of the indoor unit. .

[Brief explanation of drawings]

FIG. 1 is a front view showing an example of an indoor unit employing the front panel mounting structure of the present invention.

FIG. 2 is a sectional view taken along the line II-II in FIG. 1 and a partially detailed view thereof.

FIG. 3 is a side view and a cross-sectional view taken along the line bb--b of the conventional front panel mounting structure.

[Explanation of symbols]

1...Indoor unit, 2...Front grill body, 3...Suction opening, 3a
...Top edge, 3b...Lower edge, 4...Blowout opening, 5...Front panel,
5a...upper edge, 5b...lower edge, 6...receiving part, 7...claw, 7a...protrusion, 7b...engaging groove, 7c...narrow width part, 8...claw holder, 9...pin,
10...Groove, 11...Attaching member, 12...Fitting member, 33...Filter.

Claims (1)

[Scope of utility model registration request] Claim 1: In a mounting structure for a front panel attached to a suction opening (3) of a front grill body (2) having a suction opening (3) and an air outlet (4), at least the upper edge of the front panel (5) (5a) on the front grill body (2)
while forming a plurality of claws (7) thinner than the thickness of the front panel (5) on the lower edge (5b) of the front panel (5). , these claws (7)
The front panel mounting structure is characterized in that the front and rear surfaces of the above-mentioned suction opening (3) are fitted so as to be able to come into contact with a plurality of claw receivers (8) provided at the lower edge (3b) of the suction opening (3).