TWM510190U - Filtering apparatus for oil-mist - Google Patents

Description

Oil mist filter

The creation relates to an oil mist filter device, and particularly relates to an oil mist filter device which can effectively filter oil mist and impurities in the air, and can also recover oil mist in the air.

As shown in FIG. 9, the conventional oil mist filtering device 6 has a chamber 62 for accommodating a filter material 61. The chamber 62 is provided with an opening 621 on the top surface of the device 6 for supplying the filter material 61. The opening 621 can be set in the height direction of the chamber 62 or detached from the chamber 62. However, since the filter member 61 can be attached and detached only in the height direction thereof, if the device 6 is placed in a narrow environment with a limited height direction, the filter member 61 will be difficult to assemble and cause great inconvenience. In addition, due to factors confined to the space environment, it is also difficult to protrude into the chamber 62 for cleaning and soiling when it is to be cleaned, which is also inconvenient.
Moreover, after the device 6 is used for a period of time, excessive accumulation of oil mist impurities on the filter material 61 will block the filter holes, thereby reducing the filtering effect, and a new filter material should be replaced at this time. However, the conventional device does not have a structure or mechanism for reminding the replacement of the filter material, so that the user does not know when to replace the filter material, and the device 6 is continuously activated but does not produce a good filtering effect, thereby, in addition to power consumption, the oil mist is filtered. The effect is also unclear and affects human health. In summary, the conventional oil mist filter device has a need for improvement.

One of the aims of the present invention is to provide an oil mist filtering device in which the filter material can be incorporated into the device structure from a plurality of directions, thereby improving the convenience of use in a narrow space environment.
The second purpose of this creation is to use the internal air pressure of the detecting device as a judgment condition for the filter material replacement, thereby maintaining a good filtering effect.
To achieve the foregoing objectives, the present invention provides an oil mist filtering device comprising:
a body having a first air chamber, a second air chamber and a third air chamber in sequence, wherein the front side of the first air chamber defines an air inlet communicating with the outer space, the first The air chamber is respectively provided with an opening on the left and right sides of the main body, and each of the openings is respectively provided with a cover body for movably closing the opening, and a first discharge hole is defined in the bottom of the first air chamber, and the third a second discharge hole is defined in the air chamber, and an air outlet is opened on the rear side of the third air chamber;
a first filter set is disposed in the first air chamber of the body, the first filter set includes a tilting impact plate, a stainless steel defogging net, and at least one filter cotton sheet, and the first filter group The collision plate is opposite to the air inlet of the first air chamber;
a motor is disposed outside the rear side of the second air chamber, and the fan wheel driven by the motor extends in the second air chamber, and when the motor drives the fan wheel to operate, external air can be used to pass the air inlet Inhaling in the first air chamber, and filtering the oil mist in the gas through the first filter group, then passing through the second air chamber and discharging toward the air outlet of the third air chamber, and being subjected to the motor fan wheel The inhaled oil mist can be liquefied by gravity and air flow, and discharged through each discharge hole.
Wherein one of the two covers is provided with a pressure gauge connected to the first air chamber.
The above objects and advantages of the present invention are not to be understood in detail from the detailed description and the accompanying drawings.

11‧‧‧ Body 12‧‧‧ First air chamber 121‧‧‧ Air inlet 122‧‧‧First discharge hole 123A, 123B‧‧‧ Opening 124‧‧‧ Cover 125‧‧‧ Pressure gauge 126‧‧‧ First oil collection area 127‧‧‧Second oil collection area 128‧‧‧ Index ball 13‧‧‧Second air chamber 131‧‧‧Air outlet 132‧‧‧Air duct 14‧‧ Third air chamber 141‧ ‧‧Second discharge hole 142‧‧ vents 21‧‧‧First filter group 22‧‧‧Frame 23‧‧‧ Collision plate 24‧‧‧ Defogging net 25, 42‧‧‧ Filter cotton 31‧ ‧ Motor 32‧‧ 涡 Scrolling wheel 33‧‧‧ Centrifugal fan wheel 41‧‧‧Second filter group 5‧‧‧Support frame 51‧‧‧Baffle 52‧‧‧Gap 6‧‧‧Device 61 ‧‧‧ Filters 62‧‧ ‧room 621‧‧‧ openings

The first picture is a three-dimensional schematic diagram of the creation. The second picture is a three-dimensional exploded view of the creation. The third picture is a schematic cross-sectional view of the creation. The fourth and fifth pictures are schematic diagrams of the assembly direction of the creative filter material. FIG. 8 is a perspective exploded view of another embodiment of the present invention. FIG. 9 is a perspective exploded view of a conventional structure.

Referring to Figures 1 through 8, the structure of the embodiment selected for use in the present invention is for illustrative purposes only and is not limited by such structure in the patent application.
Referring to FIG. 1 to FIG. 3 , an oil mist filtering device provided by the present invention is mainly composed of a body 11 , a first filter group 21 , a motor 31 , and a second filter group 41 . :
The body 11 is a hollow casing, and one of the first air chamber 12, the second air chamber 13 and the third air chamber 14 is sequentially connected to the inside of the body 11 , and the first air chamber 12 is An air inlet 121 communicating with the external space is defined in the front end surface, and a first discharge hole 122 is defined in the bottom of the first air chamber 12; the second air chamber 13 is located at the rear side of the first air chamber 12, and the second air chamber 13 is located at the rear side of the first air chamber 12 The front side of the second air chamber 13 has an air inlet 131, and the first air chamber 12 communicates with the second air chamber 13 via the air inlet 131, and another one is disposed below the rear side of the second air chamber 13. The third air chamber 14 is connected to the air duct 132, and a second discharge hole 141 is further defined at a position adjacent to the bottom portion of the third air chamber 14. The air outlet is opened on the rear side of the third air chamber 14. 142.
The first filter group 21 is disposed in the first air chamber 12 of the body 11 . In the embodiment, the first air chamber 12 is respectively provided with an opening 123A, 123B on the left and right sides of the body 11, and each of the openings 123A, 123B is respectively provided with a cover 124 for the movable closing opening, and One of the covers 124 is provided with a pressure gauge 125 connected to the first air chamber 12. The first filter group 21 can be selected from the first air chamber 12 by the left opening 123A of the body 11 as shown in FIG. 4, or the right side opening 123B of the body 11 as shown in FIG. Enter the first air chamber. Accordingly, even if the creation is set in a narrow space environment, a more convenient opening can be selected for the assembly of the first filter group 21; on the other hand, when cleaning the creation, a more convenient opening can be selected. The cleaning device is inserted into the cleaning to improve the convenience of use.
The first filter group 21 includes a slanted collision plate 23, a stainless steel defogging net 24, and at least one filter cotton sheet 25 in a frame 22, and the collision plate of the first filter group 21 23 is opposite to the air inlet 121 of the first air chamber 12, and the filter cotton sheet 25 is disposed opposite to the air inlet 131 of the second air chamber 13.
In addition, a bottom of the first air chamber 12 is provided with a support frame 5 for being placed under the first filter group 21. In detail, the width of the support frame 5 corresponds to the frame 22 of the first filter group 21, and a baffle 51 is disposed on one side of the support frame 5 to limit the displacement of the first filter group 21. On the other hand, the bottom of the first air chamber 12 is partitioned by the support frame 5 to form a first oil collection area 126 and a second oil collection area 127, wherein the first oil collection area 126 is corresponding to the frame 22 In the lower part, the oil droplets filtered by the stainless steel defogging net 24 and the filter cotton sheet 25 are collected; and the second oil collecting area 127 is located below the collision plate 23 for collecting the oil blocked by the collision plate 23. drop. Furthermore, the first discharge hole 122 is disposed in the first oil collection area 126, and a corner of the support frame 5 and the baffle 51 is opened as shown in FIGS. 6 and 7 respectively. The passage of the first oil collection zone 126 and the second oil collection zone 127 allows the oil droplets of the second oil collection zone 127 to flow into the first oil collection zone 126 and be discharged from the first discharge hole 122.
The motor 31 is disposed at an appropriate position outside the rear side of the second air chamber 13, and the motor 31 is provided with a fan wheel, wherein the fan wheel has a scroll type fan wheel 32 as shown in FIG. 1 or The centrifugal fan wheel 33 shown in the figure has two embodiments. As shown in FIG. 3, the fan wheel 32 extends in the second air chamber 13 and is disposed opposite to the air inlet 131.
The second filter group 41 is disposed inside the air outlet 142 of the third air chamber 14 , and the second filter group 41 is formed by a filter cotton sheet 42 that is thinner than the filter cotton sheet 25 of the first filter group 21 .
When the present invention is actually used, as shown in Fig. 3, the motor 31 is started to drive its fan wheel 32 to start operation. At this time, the external air located in the body 11 is drawn by the airflow formed by the rotation of the fan wheel 32, and enters the first air chamber 12 through the air inlet 121, and the oil mist dust powder in the gas passes through the first After the collision plate 23 and the demisting net 24 in the filter group 21 are blocked, the vortex generated by the fan wheel 32 is concentrated to increase the concentration of the particles in the gas to improve the filtering effect of the gas passing through the filter groups 21 and 41. Then, the gas passing through the first filter group 21 is further driven by the blades of the fan wheel 32, and enters the third air chamber 14 via the air passage 132 of the second air chamber 13, and the gas is subjected to the second The second stage of filtration is performed by the action of the filter group 41, and finally discharged from the air outlet 142. Further, the oil mist sucked into the inside of the body 11 by the fan wheel 32 can be liquefied inside the body 11 by gravity and air flow, and discharged through the discharge holes 122 and 141.
In this way, the creation system adopts a multi-stage filtration method to effectively collect and filter the oil mist in the gas, and can be recycled and reused through the discharge hole, so that it is environmentally friendly and can effectively reduce the cost of cutting oil, and Through the multi-stage filtration function of the present invention, the oil mist, smoke and odor which are permeated in the air can be effectively filtered, and the air purification effect of completely filtering the oil mist and dust is achieved.
Furthermore, the creation can use the pressure gauge 125 on the cover 124 to determine whether the filter material should be replaced. As shown in FIG. 1, the pressure gauge 125 is provided with an index ball 128. When the fan wheel is actuated to draw outside air into the body 11, the air pressure in the first air chamber 12 will be lower than the outside air pressure. The index ball 128 of 125 will float to represent the pressure state within the first plenum 12. When the creation is used for a period of time, the oil mist in the air will accumulate on the filter material and cause blockage, thereby reducing the filtering effect. If the above situation occurs, the air pressure in the first air chamber 12 will approach the external air pressure, and the height of the index ball 128 of the pressure gauge 125 will decrease, and the user can judge that the filter material is blocked. Replace it in time to maintain good filtration.
However, the disclosure of the above embodiments is intended to illustrate the present invention and is not intended to limit the present invention, so the replacement of equivalent elements should still be within the scope of this creation.
In summary, it can be made clear to the skilled person that the creation can achieve the aforementioned objectives, and it has already met the requirements of the Patent Law and submitted an application according to law.

11‧‧‧Ontology

12‧‧‧First air chamber

121‧‧‧Air inlet

123A, 123B‧‧‧ openings

124‧‧‧ cover

125‧‧‧ pressure gauge

21‧‧‧First filter group

22‧‧‧Frame

23‧‧‧ collision plate

24‧‧‧Defogging net

25‧‧‧Filter cotton

31‧‧‧Motor

32‧‧‧ Scroll fan wheel

41‧‧‧Second filter group

5‧‧‧Support frame

51‧‧‧Baffle

Claims (6)

An oil mist filtering device comprising:
a body having a first air chamber, a second air chamber and a third air chamber in sequence, wherein the front side of the first air chamber defines an air inlet communicating with the outer space, the first The air chamber is respectively provided with an opening on the left and right sides of the main body, and each of the openings is respectively provided with a cover body for movably closing the opening, and a first discharge hole is defined in the bottom of the first air chamber, and the third a second discharge hole is defined in the air chamber, and an air outlet is opened on the rear side of the third air chamber;
a first filter set is disposed in the first air chamber of the body, the first filter set includes a tilting impact plate, a stainless steel defogging net, and at least one filter cotton sheet, and the first filter group The collision plate is opposite to the air inlet of the first air chamber;
a motor is disposed outside the rear side of the second air chamber, and the fan wheel driven by the motor extends in the second air chamber, and when the motor drives the fan wheel to operate, external air can be used to pass the air inlet Inhaling in the first air chamber, and filtering the oil mist in the gas through the first filter group, then passing through the second air chamber and discharging toward the air outlet of the third air chamber, and being subjected to the motor fan wheel The inhaled oil mist can be liquefied by gravity and air flow, and discharged through each discharge hole. The oil mist filtering device of claim 1, wherein one of the two covers is provided with a pressure gauge connected to the first air chamber. The oil mist filter device of claim 1, wherein the front side of the second air chamber has an air outlet, and the fan wheel of the motor is disposed opposite to the air outlet. The oil mist filter device of claim 1, wherein the fan wheel of the motor is constituted by a scroll fan wheel. The oil mist filtering device of claim 1, wherein the fan wheel of the motor is constituted by a centrifugal fan wheel. The oil mist filtering device of claim 1, wherein a second filter group is further disposed inside the air outlet of the third air chamber, and the second filter group is made of a filter paper sheet of the first filter group. A finer filter cotton sheet.