CN217206687U

CN217206687U - Power system

Info

Publication number: CN217206687U
Application number: CN202221205354.6U
Authority: CN
Inventors: 朱波; 张易; 袁国友; 黄亮; 陈兴
Original assignee: Chongqing Zongshen General Power Machine Co Ltd
Current assignee: Chongqing Zongshen General Power Machine Co Ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-08-16
Anticipated expiration: 2032-05-20

Abstract

The utility model relates to an engine air intake processing technology field, in order to solve the high problem of empty filter clearance and maintenance frequency among the prior art, provides a driving system, including the casing, be provided with power device and empty filter in the casing, power device includes the cover part of engine and cover engine, and the cover part has air intake and air outlet, wherein: the cover component, the air inlet and the air outlet form an air flow channel which flows from the air inlet to the air outlet to cool the engine; the air filter is provided with an air inlet, an air outlet and a dust exhaust port, and the dust exhaust port is communicated with the cover component in a one-way mode.

Description

Power system

Technical Field

The utility model relates to an engine air intake processing technology field specifically is a driving system.

Background

Engines are widely used in many industries as a power supply device that converts other energy into mechanical energy. Because the engine needs to suck a large amount of air in the working process, if the air is not filtered, dust suspended in the air is sucked into the cylinder, and the abrasion of the piston group and the cylinder is accelerated. The filter is an important part of the engine intake as a filtering device capable of filtering dust and impurities in air.

In the use process of the air filter, after air enters the filter element from the air inlet, dust and impurities in the air are filtered by the filter element, the filtered air is discharged through the air outlet to complete the filtration of the air, therefore, after the air filter is used for a long time, a large amount of dust and impurities can be deposited in the filter element in the air, the filter element is blocked, the filtration efficiency is seriously influenced, part of dust can be accumulated in the inner cavity of the air filter, and the normal use of the air filter can also be influenced, therefore, the filter element and the inner cavity need to be cleaned and maintained in time in the use process, the problem of low efficiency exists when the air filter is cleaned at present, and for some engines used in a heavy dust environment, the cleaning and maintenance frequency of the air filter can be more frequent, and much inconvenience is brought to the use and maintenance of users.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an empty filter to solve the empty filter clearance among the prior art and maintain the high problem of frequency.

The utility model provides a basic scheme is: a power system comprising a housing in which are provided a power unit and an air filter, the power unit comprising an engine and a hood part covering the engine, the hood part having an air inlet and an air outlet, wherein: the cover component, the air inlet and the air outlet form an air flow channel which flows from the air inlet to the air outlet to cool the engine; the air filter is provided with an air inlet, an air outlet and a dust exhaust port, and the dust exhaust port is communicated with the cover component in a one-way mode.

The basic scheme has the beneficial effects that: compared with the existing engine, in the scheme, after air enters the power device from the air inlet, the air flows in the air flow channel and cools the engine, and the dust exhaust port of the air filter is communicated with the cover component in a one-way mode, so that in the flowing process, part of air of the air filter flows out of the dust exhaust port and enters the engine, dust in the air filter can be discharged out of the air filter along with the part of air, the self-cleaning of the air filter is realized, the maintenance frequency of the air filter can be reduced, and the maintenance period is prolonged.

Further, the air filter comprises a shell and a filter element, the shell is provided with an inner cavity, the filter element is arranged in the inner cavity, and the inner cavity is communicated with the air outlet and the air inlet; the air outlet is positioned at the outer end of the shell, and the air inlet is positioned at the inner end of the shell; be provided with the spiral flow channel from inside to outside on the shell inner wall, the air inlet is relative spiral flow channel entry sets up, the gas outlet is relative spiral flow channel export sets up. Has the advantages that: in this scheme, utilize the spiral runner that sets up on the shell inner wall to carry out the water conservancy diversion to the air that gets into empty filter, partial air accomplishes after the filter core and filters, and some air then flows from the gas outlet under the spiral runner guide effect that sets up from inside to outside, is together followed the air at last and is discharged empty filter through the dust exhaust mouth to realize the automatically cleaning of empty filter, simple structure.

Furthermore, the shell is provided with a mounting hole for inserting the air filter, and the mounting hole is detachably connected with a maintenance cover. Has the advantages that: because current empty filter is when the design, all design the whole face of casing as the installation face, during the operation, need dismantle whole installation face get off, then install empty filter in the casing after, on installing the face reinstallation, just lead to the operation inconvenient, therefore in this scheme, set up behind the installing port on the casing, utilize the installation of empty filter in the casing of male mode realization, compared with the prior art, when needs are maintained or are cleared up, only need pull down after the maintenance lid and can extract empty filter and clear up or maintain, thereby maintenance work has been simplified, convenient maintenance.

Further, the maintenance cover is in threaded connection with the mounting hole. Has the advantages that: the mode of threaded connection can also make things convenient for the dismantlement of maintenance cover when having guaranteed the firm connection of maintenance cover and casing, simple structure.

Furthermore, the maintenance cover is clamped with the mounting port. Has the advantages that: the clamping connection mode is convenient for the disassembly of the maintenance cover, and the structure is simple.

Further, be provided with first air inlet portion on the casing, first air inlet portion and air inlet intercommunication, and first air inlet portion is located the air cleaner below. Has the advantages that: in this scheme, the setting up of the first portion of admitting air in filter core below makes the air inlet route of air filter from down up, can separate the large-scale impurity in the part air effectively to can reduce the impurity that enters into in the filter core, further reduce the purpose that the filter core maintained the frequency.

Further, the first air inlet portion is provided with an air deflector which is bent upwards. Has the advantages that: in this scheme, the aviation baffle of kickup can be with the smooth and easy direction top of air to utilize the air route from bottom to top to realize the separation to partial impurity in the air, simple structure.

Further, a separation partition board is further arranged on the shell and located between the first air inlet portion and the air inlet. Has the advantages that: in this scheme, the separation baffle can further separate out the dust in the air, has further reduced the maintenance frequency of empty filter core.

Furthermore, the shell is also provided with a dust exhaust port communicated with the inner cavity. Has the beneficial effects that: in this scheme, because the air can carry out high-speed screw motion in getting into the casing, consequently dust or impurity that weight is bigger than normal in the air are thrown away, finally discharge from the dust exhaust mouth, realize the automatically cleaning effect of filter core to can further reduce the maintenance frequency of filter core.

Furthermore, the device also comprises a resonant cavity communicated with the air outlet. Has the advantages that: in this scheme, the setting of resonant cavity can reduce the noise of admitting air, plays the effect of making an uproar to can reduce driving system's noise.

Further, the resonant cavity is communicated with the air outlet through a ventilation hose. Has the advantages that: in this scheme, utilize the flexible hose of ventilating to realize being connected of resonant cavity and gas outlet and guaranteed the firm connection between resonant cavity and the gas outlet, reduce the condition that drops to appear.

Further, still include the oil-gas mixing device who is connected with the engine, the resonant cavity is provided with the export, and the export communicates with oil-gas mixing device.

Drawings

Fig. 1 is a schematic diagram of an embodiment of a power system of the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is a schematic view of the spiral air intake of the hollow filter of the present embodiment;

FIG. 6 is a schematic view showing rough filtration of impurities in the present embodiment;

fig. 7 is a schematic view of the cover member in this embodiment.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the air filter comprises a shell 1, an engine 2, a cover component 20, an air inlet 21, an air filter 3, an air inlet 3a, an air outlet 3b, a dust exhaust port 3c, a filter element 4, a maintenance cover 5, a first air inlet 61, a second air inlet 62, a separation partition plate 7, a resonant cavity 8, an inlet 8a, an outlet 8b, an oil-gas mixing device 9 and a silent generator 10.

The embodiment is basically as shown in the attached figures 1 and 2: a power system comprising a housing 1, a power unit and an air filter 3 are arranged in the housing 1, the power unit comprises an engine 2 and a cover member 20 covering the engine 2, the cover member 20 has an air inlet 21 and an air outlet, as shown in fig. 7, wherein: the cover member 20, the air inlet 21 and the air outlet form an airflow passage that flows along the air inlet 21 toward the air outlet to cool the engine 2; the air filter 3 is provided with an air inlet 3a, an air outlet 3b and a dust discharge port 3c, and the dust discharge port 3c is in one-way communication with the cover member 20.

Specifically, an air filter 3, an engine 2 and an oil-gas mixing device 9 connected with the engine 2 are arranged in a shell 1, the air filter 3 comprises a shell and a barrel-shaped filter element 4, the shell is provided with a cylindrical inner cavity, the filter element 4 is arranged in the inner cavity, and the shell is provided with an air outlet 3b and a radial air inlet 3 a; the air outlet 3b is positioned at the outer end of the shell, and the air inlet 3a is positioned at the inner end of the shell; the inner wall of the shell is provided with a spiral flow channel from inside to outside, the air inlet 3a is arranged opposite to the inlet of the spiral flow channel, and the air outlet 3b is arranged opposite to the outlet 8b of the spiral flow channel.

Be provided with the installation mouth that supplies empty filter 3 to insert on the casing 1, the installation mouth can be dismantled and be connected with maintenance lid 5, and in this embodiment, maintenance lid 5 is circular lid to can adopt the connected mode of threaded connection or joint with the installation mouth, and in other embodiments, can also adopt other detachable connected modes. The shell 1 is also provided with a dust exhaust port 3c communicated with the air outlet 3b, and the dust exhaust port 3c and the air inlet 3a are respectively positioned at two sides of the inner cavity.

Still be provided with the air inlet window on the casing 1, the air inlet window includes the first air inlet portion 61 with air inlet 3a intercommunication, and first air inlet portion 61 is located filter core 4 below, is provided with the polylith in the air inlet window towards the crooked aviation baffle of air inlet 3 a. A separating partition 7 is further provided on the casing 1, and the separating partition 7 is located between the intake louver and the intake port 3 a.

The air inlet window further comprises a second air inlet portion 62, the engine 2 is provided with an air guiding cover, a cooling fan is arranged in the air guiding cover, an air inlet 21 is formed in the air guiding cover, the air inlet 21 is communicated with the second air inlet portion 62, and the second air inlet portion 62 is further communicated with the dust exhaust port 3 c.

The gas outlet 3b is communicated with a resonant cavity 8 through a ventilation hose, an inlet 8a of the resonant cavity 8 is connected with the ventilation hose, and an oil-gas mixing device 9 is communicated with an outlet 8b of the resonant cavity 8. The power plant in this embodiment is a silent generator 10.

The specific implementation process is as follows: when the air purifier is used, air enters the air inlet 3a from the bottom to the top from the first air inlet part 61 of the air inlet window, in the process, large impurities in the air fall off, the air passes through the separation partition plate 7, and part of the impurities in the air are separated, so that the impurities in the air are coarsely filtered, and the air purifier is shown in fig. 4 and 6.

The air enters the inner cavity through the air inlet 3a, flows along the spiral flow channel on the inner wall of the shell and finally flows out of the air outlet 3b, and in the process, part of air enters the resonant cavity 8 through the air outlet 3b after being filtered by the filter element 4 and finally enters the oil-gas mixing device 9 for oil-gas mixing operation.

During the operation of the engine 2, the cooling fan sucks the external cold air into the air guiding cover from the second air inlet 62 and the air inlet 21 of the air inlet window, during the air suction process, because the second air inlet 62 is communicated with the dust exhaust port 3c, negative pressure occurs at the dust exhaust port 3c, and under the action of the negative pressure, a part of air in the air filter 3 finally flows from the inner end to the outer end of the housing along the spiral flow channel, and is discharged from the dust exhaust port 3c carrying impurities such as dust in the air holes, and enters the engine 2 after passing through the air inlet 21 on the air guiding cover, so as to cool the engine 2, as shown in fig. 4 and 5, the direction of the arrow is a flowing direction of the air.

When needs clear up or maintain filter core 4, dismantle the back with maintenance cover 5, take out filter core 4 from the inner chamber and go on, accomplish the clearance or the maintenance back of filter core 4, insert the inner chamber with filter core 4 again, then install maintenance cover 5 can.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A power system, including the casing, be equipped with power device and empty filter in the casing, power device includes the engine and covers the cover part of engine, cover part has air intake and air outlet, its characterized in that: the cover member, the air inlet and the air outlet form an airflow passage flowing along the air inlet to the air outlet to cool the engine; the air filter is provided with an air inlet, an air outlet and a dust exhaust port, and the dust exhaust port is communicated with the cover component in a one-way mode.

2. The power system of claim 1, wherein: the air filter comprises a shell and a filter element, the shell is provided with an inner cavity, the filter element is arranged in the inner cavity, and the inner cavity is communicated with the air outlet and the air inlet; the air outlet is positioned at the outer end of the shell, and the air inlet is positioned at the inner end of the shell; be provided with the spiral flow channel from inside to outside on the shell inner wall, the air inlet is relative spiral flow channel entry sets up, the gas outlet is relative spiral flow channel export sets up.

3. The power system of claim 2, wherein: the air filter is characterized in that a mounting hole for inserting the air filter is formed in the shell, and a maintenance cover is detachably connected to the mounting hole.

4. The power system of claim 3, wherein: the maintenance cover is in threaded connection with the mounting hole.

5. The power system of claim 3, wherein: the maintenance cover is clamped with the mounting hole.

6. The power system according to any one of claims 1 to 5, wherein: the shell is provided with a first air inlet portion, the first air inlet portion is communicated with the air inlet, and the first air inlet portion is located below the air filter.

7. The power system of claim 6, wherein: the first air inlet part is provided with an air deflector which is bent upwards.

8. The power system of claim 7, wherein: the shell is further provided with a separation partition plate, and the separation partition plate is located between the first air inlet portion and the air inlet.

9. The power system of claim 8, wherein: and the resonant cavity is communicated with the air outlet.

10. The power system of claim 9, wherein: the resonant cavity is communicated with the air outlet through a ventilation hose.

11. The power system of claim 10, wherein: the engine is connected with the oil-gas mixing device, the resonant cavity is provided with an outlet, and the outlet is communicated with the oil-gas mixing device.