JPS5923612Y2 - Air conditioner filter device - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a filter device for an air conditioner, and the filter device of the present invention is particularly effective when installed in a vent such as an inside air inlet or an outside air inlet of an automobile air conditioner.

Another object of the present invention is to make it extremely easy to attach and remove a filter device to and from an air conditioner case, thereby facilitating maintenance of the filter device.

An example of the present invention will be explained below based on the drawings.

In FIG. 1, 1 is an upper case member and 2 is a lower case member, both of which are molded from resin such as polypropylene, and both case members 1 and 2 have open ends 1a.

Flange portions 1b, 2b are formed in a protruding shape and spaced apart from each other by a predetermined distance from 2a, and this flange portion 1b.

2b is held between holding springs 3, and both case members 1 and 2 are connected to form an air conditioner case 4.

Further, the upper case member 1 has an open air inlet 5 for introducing outside air a1, while the lower case member 2 has an open air inlet 6 for introducing the air a2 inside the vehicle. Air selected by the inside/outside air switching damper 7 is introduced into the air conditioner case 4 through these inlet ports 5 and 6.

An evaporator 8 of a refrigeration cycle is disposed within the air conditioner case 4, and the air introduced through the inlet ports 5 and 6 is cooled by the evaporator 8.

9 is a blower case connected to the connection port 10 of the air conditioner case 4, and the blower 1 built in this blower case 9 is
1 allows air to be introduced into the case 4 and to send out the air that has passed through the evaporator 8 to the heater 12 side.

Note that 16 is an air mix damper that controls the amount of air supplied to the heater 12.

The air that has passed through the heater 12 is blown into the vehicle interior through any one of the upper air outlet 14, the lower air outlet 15, and the Tefrosta air outlet, which are switched by the air outlet switching damper 13.

Reference numeral 17 denotes a filter device disposed to cover the inside air inlet 6, and as shown in FIGS. 18 with a holding frame 19 made of iron plate,
The filter member 18 and the holding frame 19 are fixed together with an adhesive.

Further, a locking projection 19a is integrally molded at the center of the upper end of the holding frame 19, and this locking projection 19a is adapted to fit into the lower surface of the flange portion 2b of the lower case member 2.

On the other hand, a crank-shaped locking claw portion 19 is also provided on the lower end side of the holding frame 19.
b is fixed by welding or integrally formed, and this locking claw portion 19b is adapted to clamp the lower surface 6a of the inside air inlet 6.

Therefore, according to the present invention, from the outside of the air conditioner case 4,
First, the locking claw portion 19b is inserted into the lower surface 6a of the inside air introduction port to lock the lower end side of the holding frame 19, and then the locking protrusion 19
a to the lower surface of the flange portion 2b of the lower case member 2 to position the filter device 17, and finally, the locking protrusion 19a is inserted into the flange portion 1b, 2 of the case member 1.2.
The filter device 17 is fixed by being held by the holding spring 3 together with the filter device 17.

Of course, when removing the filter device 17, the procedure described above is reversed.

The holding spring 3 that fixes the filter device 17 is extended at one end so that it can be attached and removed more easily.
is formed.

Therefore, in the present invention, the filter device 17 can be easily installed and removed without requiring special tools, and the work space required for installation and removal is also extremely small.

Here, conventional filter devices are screwed onto the air conditioner case, which makes installation and removal complicated. Therefore, the placement position of the air conditioner case in a car was also restricted, but according to this proposal, the filter device 17 can be installed and removed even in a narrow work space as described above, so the placement position of the air conditioner case is also restricted. You can also choose relatively freely.

Note that, although the above-mentioned example shows a desirable aspect of the present invention, the present invention has various aspects other than the above-mentioned example.

That is, in the above example, the filtering member 18 and the holding frame 19 of the filter device 17 are separate members, but the filtering member 18 and the holding frame 19 may be integrally molded from resin.

Further, in the above example, the locking claw portion 19b is connected to the filter device 1.
Although the locking claw portion 19b is provided on the case member 2 side, if necessary, the locking claw portion 19b may be formed on the case member 2 side.

Further, in the above example, the filter device 17 was disposed to cover the inside air inlet 6 side, but it may be provided on the outside air inlet 5 side if necessary.

Further, a blower 11 may be provided in place of the evaporator 8 in the air conditioner case 4, and the air conditioners 8, 11, 12 may not be provided in the case 4.

As explained above, the filter device of the present invention is fixed to the ventilation opening together with the case member using the holding spring that connects the upper case member and the lower case member, so that it is easy to attach and remove the filter device. It has excellent effects in that it does not require special tools and also does not require a large work space for installation and removal.

[Brief explanation of the drawing]

Fig. 1 is a component country showing one embodiment of the device of the present invention, Fig. 2 is an enlarged view of the main part of Fig. 1, Fig. 3 is a front view showing half of the filter device shown in Fig. 1, and Fig. 4 is a FIG. 2 is a side view of the filter device shown in FIG. 1; 1... Upper case member, 2... Lower case member, 3... Holding spring, 4...
...Air conditioner case, 5, 6...Outside air inlet forming a vent, and inside air inlet, 17...
・Filter device, 18...Filtering member, 19...
...Holding frame.

Claims (1)

[Scope of utility model registration request] A filter device disposed in the vent part of an air conditioner case formed by connecting an upper case member and a lower case member with a holding spring, which includes a filter member for removing dust and a holder for holding the filter member. What is claimed is: 1. A filter device for an air conditioner, comprising: a frame; one end of the holding frame is fixed together with the case member by the holding spring; and the other end is latched to the opening.