Automatic cleaning device and air filter

Abstract

The utility model discloses an automatic cleaning device, belongs to the technical field of cleaning devices, and solves the problem that an existing automatic cleaning device is poor in dust discharging effect. The dust removal device comprises a dust removal valve, a dust containing area is arranged in the dust removal valve, a normally-closed dust removal nozzle is arranged at the bottom of the dust containing area, an air channel used for blowing out dust is arranged in the dust removal valve, an air outlet of the air channel extends to the bottom of the dust containing area, and the air outlet direction of the air channel points to the position of the dust removal nozzle. According to the automatic cleaning device, the automatic dust discharging effect can be improved, and the service life of the filtering device can be prolonged. The utility model further discloses an air filter. The air filter disclosed by the utility model can better filter impurities in air.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cleaning device, more specifically, it relates to an automatic cleaning device and air cleaner. BACKGROUND

[0002] In order to ensure clean air, use equipment performance, etc., air before being inhaled for use, usually need to be filtered to remove dust suspended in the air. Such as engine in the working process, need to suck in a large amount of air, if the air is not filtered, dust suspended in the air is sucked into the cylinder, will accelerate the piston group and cylinder wear; air exchange system in the laboratory, need to filter the air entering, to avoid affecting the test accuracy, etc. In the process of filtering air, a large amount of dust will be accumulated in the air filter device, so it is necessary to regularly clean the air filter device to ensure the service life of the air filter device.

[0003] The traditional dust removal method is manual cleaning, manually opening the dust removal valve to discharge dust, but the efficiency is low and the labor intensity is large, therefore, some automatic cleaning devices appear on the market. Such as the publication number: CN 203655484U, an engineering machinery air inlet system prefilter, especially relates to an electromagnetic valve control automatic dust removal prefilter. The electromagnetic valve control automatic dust removal prefilter, including shell, prefilter lower cover and electromagnetic valve control one-way dust removal device, the shell is installed cyclone pipe upper partition plate and cyclone pipe lower partition plate, two partition plates divide the shell into three independent spaces, and a cyclone pipe is installed in the shell, the shell is provided with a prefilter lower cover on one side, and an air outlet pipe is provided on the other side, the prefilter lower cover is provided with an electromagnetic valve control one-way dust removal device, the electromagnetic valve control one-way dust removal device is connected with the air source from the gas tank, and the opening and closing of the air source is controlled by the electromagnetic valve. Its beneficial effects are: the electromagnetic valve control automatic dust removal prefilter can improve the prefiltering efficiency, and the dust filtered out can be discharged in time, and good use effect is obtained in actual use.

[0004] The existing automatic dust removal prefilter can realize automatic cleaning of dust, but it generates negative pressure value inside the dust removal pipe outside the dust removal bag, generates outward expansion force to the dust removal bag, opens the dust removal bag for dust removal, and in the actual use process, the problem that the dust removal bag cannot be opened due to insufficient negative pressure pressure, and the problem of poor dust removal effect.

[0005] Therefore, it is urgent to design a new type of automatic cleaning device and air cleaner to solve the above technical problems. UTILITY MODEL CONTENT

[0006] The utility model wants to solve the technical problem of the prior art, one of the purposes is to provide an automatic cleaning device, can improve automatic dust removal effect, prolong the service life of filter device.

[0007] The second purpose is to provide an air cleaner, which can better filter impurities in air.

[0008] The technical scheme one of the utility model is as follows: an automatic cleaning device, including dust valve, the dust valve is equipped with dust containing area, the bottom of dust containing area is equipped with dust exhaust nozzle of normally closed, the dust valve is equipped with a air channel for blowing dust, the air outlet of air channel extends to the bottom of dust containing area, and the air outlet direction of air channel points to the position of dust exhaust nozzle.

[0009] As a further improvement, the air outlet direction of the air channel is aligned with the centerline of the dust containing area.

[0010] Further, the air channel includes a connector and an air pipe, one end of the connector is connected with one end of the air pipe, the other end is connected with a gas source, the other end of the air pipe is inserted into the dust containing area, and the centerline of the air pipe is flush with the centerline of the dust containing area.

[0011] Further, the connector is a mounting seat detachably connected with the gas source.

[0012] Further, the inner diameter of the air pipe is smaller than the inner diameter of the connector.

[0013] Further, the inner wall of the upper part of the dust valve is provided with at least one annular protrusion.

[0014] Further, the periphery of the dust valve is provided with a protection valve, and the structure of the protection valve is the same as that of the dust valve.

[0015] Further, the protection valve is sleeved on the periphery of the dust valve, and at least one sealing protrusion is arranged between the protection valve and the dust valve.

[0016] The technical scheme two of the utility model is as follows: an air cleaner, including the automatic cleaning device, the dust valve is installed at the bottom of the shell of air cleaner.

[0017] As a further improvement, the dust valve and the shell of the air cleaner, and the protection valve and the dust valve are detachably connected.

[0018] Advantages

[0019] Compared with the prior art, the utility model has the following advantages:

[0020] The automatic cleaning device of the utility model, through setting air passage in dust containing area, when cleaning dust, introduce pulse air flow into dust containing area in dust discharging valve, use the impact force of pulse air flow to directly impact dust discharging nozzle, make dust discharging nozzle open, realize automatic cleaning dust, and the air outlet of air passage extends to the position of dust discharging nozzle at the bottom of dust containing area, make pulse air flow more close to dust discharging nozzle, the instantaneous impact force of pulse air flow to dust discharging nozzle is bigger, make dust discharging nozzle more easily open, further improve dust discharging effect, and reduce the problem of dust raising. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0022] Figure 2 It is the sectional structure schematic diagram of the utility model;

[0023] Figure 3 It is Figure 2 It is the structure enlarged schematic diagram of A place in middle;

[0024] Figure 4 It is the sectional structure enlarged schematic diagram of protection valve in the utility model;

[0025] Figure 5 It is the sectional structure enlarged schematic diagram of dust discharging valve in the utility model.

[0026] Wherein: 1-dust discharging valve, 2-dust containing area, 3-dust discharging nozzle, 4-air passage, 5-annular protrusion, 6-protection valve, 7-sealing protrusion, 8-air cleaner, 9-pre-filter, 10-main filter core, 11-support frame, 12-fixing frame, 13-rainproof cap, 14-dust discharging shell, 41-joint, 42-air pipe. DETAILED DESCRIPTION

[0027] The utility model will be further explained in connection with specific embodiment in the drawings.

[0028] Refer to Figures 1-5 The utility model discloses an automatic cleaning device, including dust discharging valve 1, dust discharging valve 1 is the product of prior art, it is usually of rubber material, dust containing area 2 is equipped in dust discharging valve 1, and the dust filtered out can be gathered in dust containing area 2, to subsequent discharge, dust discharging nozzle 3 of normally closed is equipped at the bottom of dust containing area 2, when being impacted by force, dust discharging nozzle 3 can open, to realize dust discharging. Air passage 4 for blowing out dust is equipped in dust discharging valve 1, and the air passage 4 in dust discharging valve 1 is built-in, realizes blowing air to dust discharging valve 1, and the air outlet of this air passage 4 extends to the bottom of dust containing area 2, so that the air outlet is more close to dust discharging nozzle 3, and the air outlet direction of air passage 4 points to the position of dust discharging nozzle 3, so that the air flow blows to dust discharging nozzle 3 directly, and dust discharging nozzle 3 is more easily opened.

[0029] Preferably, the air outlet direction of the air channel 4 is aligned with the center line of the dust containing area 2, that is, the air outlet direction of the air channel 4 is aligned with the direction of gravity, on the one hand, the dust discharging nozzle 3 is more easily opened and dust is not easily raised; on the other hand, the problem of air channel 4 blocking dust discharge is avoided.

[0030] The automatic cleaning device of the utility model, through setting air channel 4 in dust containing area 2, when cleaning dust, pulse airflow is introduced into dust containing area 2 in dust discharging valve 1, the impact force of pulse airflow is directly impacted dust discharging nozzle 3, makes dust discharging nozzle 3 open, realizes automatic cleaning dust, and the air outlet of air channel 4 extends to the position of the bottom of dust containing area 2 and points to dust discharging nozzle 3, so that pulse airflow is closer to dust discharging nozzle 3, the instantaneous impact force of pulse airflow to dust discharging nozzle 3 is greater, so that dust discharging nozzle is more easily opened, further improve dust discharging effect, and reduce the problem of dust raising.

[0031] Preferably, the air channel in the embodiment is formed as follows: the air channel 4 includes a connector 41 and an air pipe 42, one end of the connector 41 is connected to one end of the air pipe 42 to realize communication of the air path, the other end of the connector 41 is connected to a gas source, specifically, the connector 41 is connected to a gas source such as a gas storage tank through a pipeline, a pulse electromagnetic valve is arranged on the pipeline to obtain pulse airflow, the other end of the air pipe 42 is inserted into the dust containing area 2, and the center line of the air pipe 42 is flush with the center line of the dust containing area 2, so that the air outlet of the air channel 4 is arranged at the bottom of the dust containing area 2, the air outlet direction is directed to the dust discharging nozzle 3 and is flush with the center line of the dust containing area 2.

[0032] Further, the connector 41 is a mounting seat that is detachably connected to the gas source, facilitating disassembly and maintenance of the pipeline and the dust discharging valve 1. Specifically, the connector 41 can be a mounting seat with internal threads or external threads, which is detachably mounted through threaded connection, or can be a connector with a flange, which is detachably mounted through flange connection. The inner diameter of the air pipe 42 is smaller than the inner diameter of the connector 41, and the airflow is transported in a way that the inner diameter decreases along the airflow direction, so that the air outlet can obtain high-speed pulse airflow, which is more helpful to open the dust discharging valve 3.

[0033] Further, at least one annular protrusion 5 is arranged on the inner wall of the upper part of the dust discharging valve 1, which can improve the connection stability during installation of the dust discharging valve 1 and improve the sealing performance.

[0034] Preferably, a protection valve 6 is arranged at the periphery of the dust discharging valve 1, the protection valve 6 has the same structure as the dust discharging valve 5, and the size of the protection valve 6 is larger than that of the dust discharging valve 1, so that the protection valve 6 can be sleeved at the periphery of the dust discharging valve 1. After long time use, the dust discharging nozzle 3 of the dust discharging valve 1 is easy to be damaged and cannot keep the normally closed state, thus causing failure. In the embodiment, the protection valve 6 having the same structure as the dust discharging valve 1 is used to protect the dust discharging valve 1, and the double-layer dust discharging valve arrangement makes the dust discharging valve 1 not easy to be corroded and damaged by collision, effectively prolongs the service life of the automatic cleaning device, and improves the air tightness of the filter device.

[0035] Further, the protection valve 6 is sleeved at the periphery of the dust discharging valve 1, and at least one sealing protrusion 7 is arranged between the protection valve 6 and the dust discharging valve 5, so as to improve the air tightness between the protection valve 6 and the dust discharging valve 5.

[0036] The embodiment also provides an air cleaner comprising the automatic cleaning device, and the automatic cleaning device is applied to the air cleaner. Figure 1 As shown in the figure, the air cleaner 8 comprises a pre-filter 9 and a main filter core 10, the main filter core 10 is installed at the top of the pre-filter 9, the air outlet of the pre-filter 9 is communicated with the air inlet of the main filter core 10, and the air cleaner is a two-stage filtering air cleaner, the pre-filter 9 is installed in a fixed frame 12 through support frames 11 arranged at two sides of the pre-filter 9, so that the whole air cleaner is installed on a vehicle, air inlets are arranged at the other two sides of the pre-filter 9, rain caps 13 are arranged on the periphery of the pre-filter 9 outside the air inlets, so as to prevent rainwater from entering. The dust discharging valve 1 is installed at the bottom of the shell of the air cleaner 8, and the dust discharging valve 1 and the shell of the air cleaner 8 and the protection valve 6 and the dust discharging valve 1 are detachably connected. Specifically, the dust discharging valve 1 is sleeved at the bottom of a dust discharging shell 14 corresponding to the pre-filter 9, the protection valve 6 is sleeved at the periphery of the dust discharging valve 1, and then the protection valve 6 and the dust discharging valve 1 are clamped at the bottom of the dust discharging shell 14 through a clamp, so as to realize detachable installation and facilitate disassembly and maintenance.

[0037] Further, the air channel 4 of the automatic cleaning device and the dust discharging shell 14 of the pre-filter 9 are integrally arranged, which is convenient for manufacturing and has better structural strength.

[0038] The above only describes preferred embodiments of the present application, and it should be pointed out that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which will not affect the effect and practicability of the present application.

Claims

1. An automatic cleaning device comprising a dust discharging valve (1) with a dust holding area (2) in the valve (1), the bottom of the dust holding area (2) being provided with a normally closed dust discharging nozzle (3), characterized in that, The dust discharging valve (1) is provided with an air channel (4) for blowing dust, the air outlet of the air channel (4) extends to the bottom of the dust containing area (2), and the air outlet direction of the air channel (4) points to the position of the dust discharging nozzle (3), the air outlet direction of the air channel (4) is aligned with the center line of the dust containing area (2).

2. The automatic cleaning device of claim 1, wherein, The air channel (4) comprises a joint (41) and an air pipe (42), one end of the joint (41) is connected with one end of the air pipe (42), the other end of the joint (41) is connected with the air source, the other end of the air pipe (42) is inserted into the dust containing area (2), and the center line of the air pipe (42) is aligned with the center line of the dust containing area (2).

3. An automatic cleaning device according to claim 2, characterized in that The joint (41) is a mounting seat which is detachably connected with the air source.

4. The automatic cleaning device of claim 2, wherein, The inner diameter of the air pipe (42) is smaller than the inner diameter of the joint (41).

5. The automatic cleaning device of claim 1, wherein, The upper inner wall of the dust discharging valve (1) is provided with at least one annular protrusion (5).

6. The automatic cleaning device of claim 1, wherein, The periphery of the dust discharging valve (1) is provided with a protection valve (6), the structure of the protection valve (6) is the same as that of the dust discharging valve (1).

7. An automatic cleaning device according to claim 6, characterized in that The protection valve (6) is sleeved on the periphery of the dust discharging valve (1), and at least one sealing protrusion (7) is arranged between the protection valve (6) and the dust discharging valve (1).

8. An air cleaner characterized by comprising: The automatic cleaning device comprises the dust discharging valve (1) of any one of claims 1-7, and the dust discharging valve (1) is installed at the bottom of the shell of the air filter (8).

9. An air cleaner according to claim 8 wherein, The dust discharging valve (1) and the shell of the air filter (8) and the protection valve (6) and the dust discharging valve (1) are detachably connected.

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