JPH078262Y2 - Outside air filter mounting device for vehicles for construction machinery - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a device for attaching an outside air filter for introducing outside air into an air conditioner installed in a vehicle for construction machinery such as a dump truck.

[Conventional technology]

As shown in FIGS. 3 and 4, the cabin 2 is attached to the floor material 1, and the air conditioner 3 is provided in the cabin 2.
An outside air filter 4 for introducing outside air into the air conditioner 3.
There is known a mounting device that vertically mounts the air filter 5 on the outside air introduction path 5, and detachably mounts a lid 7 having an introduction hole 6 with a bolt 8 to cover the outside air filter 4.

[Problems to be solved by the device]

With such a mounting device, the outside air filter 4 has a housing.
Since the filter element 4b has a wavy shape inside the filter element 4a, and the filter element 4b is vertically corrugated, that is, vertically attached, dust in the outside air is collected and deposited on the filter element 4b.

For this reason, the filter element 4b is clogged in a short time, for example, about one week in a vehicle for construction machinery operating in a dusty site, and it is necessary to remove and clean the outside air filter 4 every short time. Because there is, the work is very troublesome.

Therefore, an object of the present invention is to provide an outside air filter mounting device for a vehicle for a construction machine, which is capable of automatically discharging dust adhering to the filter element of the outside air filter to the outside by vibration or the like.

[Means and Actions for Solving the Problems]

An outside air inlet and a dust drop port are formed above and below a floor material having a space for introducing outside air, and a cabin is provided on the floor material, and an air conditioner provided in the cabin communicates with the outside air inlet of an outside air introduction path. This is a device in which an outside air filter is horizontally arranged on the way, whereby dust adhering to the outside air filter can be separated by vibration of the vehicle body or the like, and can be discharged through the outside air inlet to the outside through the dust drop opening.

〔Example〕

As shown in FIG. 1, the floor material 10 has a double wall composed of an upper plate 10a and a lower plate 10b to form an outside air introducing space 11, and the upper plate 10a has an outside air inlet 12 therein. The lower plate 10b is formed with a dust drop inlet 13 and an outside air inlet.
12 and the dust drop port 13 are connected by an oblique partition plate 14.

A cabin 15 is provided on the upper plate 10a of the floor material 10, and a duct 17 forming an outside air introduction path is attached to a lower portion of a vertical wall 16 of the cabin 15, and a lower inlet 18 of the duct 17 is an outside air inlet 12 And the upper outlet 19 communicates with an air conditioner (not shown), and an outside air filter 20 is horizontally provided in the upper and lower middle of the duct 17.

That is, the outside air filter 20 is a flat box-shaped housing 20a.
A corrugated filter element 20b is provided therein, and the filter element 20b is provided so as to be corrugated in the horizontal direction.

A filter insertion opening 21 is formed in the vertical wall 16 and a filter insertion opening 22 is also formed in the duct 17, and a cover 23 is detachably attached to the filter insertion opening 21. The outside air filter 20 is attached through the filter insertion opening 21 and the filter insertion opening 22. That is, as shown in FIG. 2, U-shaped guides 24 are attached to the duct 17 so as to face each other, and the outside air filter 2 is provided between the guides 24 and 24 facing each other.
The collar portion 20c of 0 is slidably fitted.

Because of this, the dust adhering to the filter element 20b is peeled off by the vibration of the vehicle body 10 and the like, and the dust is discharged to the outside from the dust outlet 13 along the lower inlet 18, the outside air inlet 12 and the partition plate 14. , Filter element
The time when 20b is clogged with dust becomes long, and the interval for cleaning the outside air filter 20 can be lengthened.

[Effect of device]

The outside air taken from the outside air introducing space 11 of the floor material 10 is introduced into the air conditioner through the outside air inlet 12 and the outside air introducing passage, and dust is captured by the outside air filter 20 provided in the middle of the outside air introducing passage.

Further, since the outside air filter 20 is arranged horizontally and the dust drop port 13 is formed below the outside air inlet 12,
The dust adhering to the outside air filter 20 is separated by the vibration of the vehicle body or the like and is discharged to the outside through the outside air inlet 12 and the dust drop opening 13, so that the clogging time of the outside air filter 20 becomes long and the cleaning time interval of the outside air filter is increased. Can be long

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention, FIG. 2 is a sectional view of a duct, and FIGS. 3 and 4 are front and side views of a conventional example. 10 is a floor material, 11 is a space for introducing outside air, 12 is an outside air inlet, 13 is a dust drop port, 15 is a cabin, and 20 is an outside air filter.

Claims (1)

[Scope of utility model registration request] 1. A cabin 15 is attached to a floor material 10 and a space 11 for introducing outside air is formed in the floor material 10, and the space for introducing outside air is formed.
An outside air inlet 12 is formed in the upper part of 11 and a dust drop port 13 is formed in the lower part, and the outside air inlet 12 is formed with an outside air introducing passage communicating with an air conditioner arranged in the cabin 15, and the outside air introducing passage is formed in the middle of the outside air introducing passage. An outdoor air filter mounting device for a vehicle for a construction machine, wherein the outdoor air filter 20 is horizontally arranged.