Novel ventilation dustproof filter

Abstract

The utility model provides a novel ventilation dustproof filter which comprises a three-way control valve, an air inlet pipe, a first exhaust pipe, a second exhaust pipe, a dust removal box, a filter box and a filter mechanism, the air inlet end of the three-way control valve is sequentially connected with an air blower and the filter box through the air inlet pipe, one exhaust end of the three-way control valve is connected with the first exhaust pipe, and the other exhaust end of the three-way control valve is connected with the second exhaust pipe. One exhaust end of the three-way control valve is connected with the dust removal box through a second exhaust pipe. The filtering mechanism comprises an unwinding assembly, a winding assembly and air filtering cotton. The three-way control valve enables the air inlet pipe to be communicated with the first exhaust pipe, the air blower is opened, and external air is filtered by the air filter cotton and then exhausted outwards through the first exhaust pipe, so that the filter can be normally used; the air exhausted by the second exhaust pipe can play a back-blowing role on the air filter cotton, and after the function of cleaning the air filter cotton is achieved, the air filter cotton is wound by the winding assembly, so that the service life of the air filter cotton is greatly prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation dustproof filter field especially a novel ventilation dustproof filter. BACKGROUND

[0002] Ventilation equipment belongs to the energy required by the air flow in the mechanical ventilation system is supplied by the fan, carries out forced exchange to indoor, outdoor air, carries out the function of sound reduction, air purification, gas heat exchange simultaneously. At present, ventilation equipment drives air flow in the using process, in order to filter air, air filter cotton is equipped on the ventilation equipment generally, and the dust in air is retained on the air filter cotton while the air flow is driven by the fan, thereby causing the air filter cotton to be covered gradually by dust in the using process, seriously influence the ventilation of system, even lead to the ventilation function of system losing, and further influence the operation of communication equipment.

[0003] Therefore, it is required to provide a cleaning device capable of cleaning air filter cotton, and the automatic cleaning filter cotton device currently applied on the market has problems of complex structure, complicated cleaning process and unclean cleaning, or cannot achieve automatic effect and requires manual intervention, therefore, it becomes an urgent problem to provide a novel ventilation dustproof filter with simple structure and convenient use. SUMMARY

[0004] (I) technical problem to be solved

[0005] In order to solve the above problems of the prior art, the utility model provides a novel ventilation dustproof filter.

[0006] (II) technical scheme

[0007] In order to achieve the above purpose, the utility model adopts the main technical scheme including:

[0008] A novel ventilation dustproof filter, including three-way control valve, air inlet pipe, first exhaust pipe, second exhaust pipe, dust removal tank, filter box and filter mechanism;

[0009] The air inlet end of the three-way control valve is connected with the air blower and the filter box in sequence through the air inlet pipe, one of the air outlet ends of the three-way control valve is connected with the first exhaust pipe, and the other air outlet end of the three-way control valve is connected with the dust removal tank through the second exhaust pipe;

[0010] The filter mechanism includes unwinding assembly, winding assembly and air filter cotton.

[0011] The air filter cotton wound on the unwinding assembly passes through the filter window of the filter box and the dust removal window of the dust removal tank in sequence and is connected with the winding assembly.

[0012] Preferably, a plurality of strip-shaped holes are arranged on the filter window of the filter box and the dust removal window of the dust removal box.

[0013] Preferably, the dust removal box is arranged in a dust removal chamber, and the filter box is arranged in a filter chamber.

[0014] Preferably, the air filter cotton is connected with a tensioning mechanism for adjusting the tension of the air filter cotton.

[0015] Preferably, the tensioning mechanism comprises a tensioning roller, a sliding block, a connecting rod and a fixing seat.

[0016] The fixing seat is further provided with a movable slot.

[0017] The sliding block is slidingly arranged in the movable slot.

[0018] One end of the connecting rod is connected with the sliding block, and the other end of the connecting rod is connected with a mounting bracket.

[0019] The tensioning roller is arranged in the mounting bracket.

[0020] A spring is arranged in the movable slot, and a limiting block for preventing the sliding block from being separated is arranged at the opening of the movable slot.

[0021] Preferably, the unwinding assembly and the winding assembly each comprise a roller for transmission and a bracket for support.

[0022] (Three) beneficial effects

[0023] The beneficial effects of the utility model lie in that: by the above technical scheme, the three-way control valve makes the air inlet pipe and the first air exhaust pipe communicate, the air blower is opened, and the external air is filtered by the air filter cotton and then discharged outward through the first air exhaust pipe, so that the filter can be normally used, when the three-way control valve makes the air inlet pipe and the second air exhaust pipe communicate, the gas discharged by the second air exhaust pipe can blow back the air filter cotton, the air filter cotton is cleaned, and then it is wound by the winding assembly, so that the service life of the air filter cotton is greatly prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structure diagram of a novel ventilation dustproof filter Figure 1 ;

[0025] Figure 2 It is a structure diagram of a novel ventilation dustproof filter Figure 2 ;

[0026] Figure 3 It is a structure diagram of a novel ventilation dustproof filter

[0027] Figure 4 The structure schematic view of the second embodiment of the utility model.

[0028]

Explanation of reference numerals

[0029] 1, three-way control valve;

[0030] 2, first exhaust pipe;

[0031] 3, air inlet pipe;

[0032] 4, second exhaust pipe;

[0033] 5, filter box;

[0034] 6, dust removal box;

[0035] 7, air blower;

[0036] 8, unwinding assembly;

[0037] 9, winding assembly;

[0038] 10, air filter cotton;

[0039] 11, filter chamber;

[0040] 12, dust removal chamber;

[0041] 13, tensioning mechanism. DETAILED DESCRIPTION

[0042] In order to better explain the utility model, so as to facilitate understanding, below, combining with the drawings, through specific embodiment, the utility model is described in detail.

[0043] Please refer to Figures 1 to 3 The first embodiment of the utility model:

[0044] A novel ventilation dust filter, including three-way control valve 1, air inlet pipe 3, first exhaust pipe 2, second exhaust pipe 4, dust removal box 6, filter box 5 and filter mechanism;

[0045] The air inlet end of three-way control valve 1 is connected with air blower 7 and filter box 5 in turn through air inlet pipe 3, one of the air outlet ends of three-way control valve 1 is connected with first exhaust pipe 2, and the other air outlet end of three-way control valve 1 is connected with dust removal box 6 through second exhaust pipe 4;

[0046] The filter mechanism includes unwinding assembly 8, winding assembly 9 and air filter cotton 10;

[0047] The air filter cotton 10 wound on unwinding assembly 8 is connected with winding assembly 9 after passing through the filter window of filter box 5 and the dust removal window of dust removal box 6 in turn;

[0048] In use, the three-way control valve 1 makes the air inlet pipe 3 and the first air exhaust pipe 2 communicate, the blower 7 opens the port, and the external air is filtered by the air filter cotton 10 and then discharged to the outside through the first air exhaust pipe 2, so that the filter can be normally used; when the three-way control valve 1 makes the air inlet pipe 3 and the second air exhaust pipe 4 communicate, the gas discharged from the second air exhaust pipe 4 can blow back to the air filter cotton 10, so as to clean the air filter cotton 10, and then the air filter cotton 10 is wound by the winding assembly 9, so that the service life of the air filter cotton 10 is greatly prolonged.

[0049] In the embodiment, a plurality of strip-shaped holes are arranged on the filter window of the filter box 5 and the dust removal window of the dust removal box 6.

[0050] Reference Figure 4 The second embodiment of the utility model:

[0051] On the basis of the above-mentioned first embodiment, the dust removal chamber 12 and the filter chamber 11 are further included, the dust removal box 6 is installed in the dust removal chamber 12, and the filter box 5 is installed in the filter chamber 11, so that the dust removal box 6 and the filter box 5 are prevented from affecting each other.

[0052] In the embodiment, the tensioning mechanism 13 is further included, the tensioning mechanism 13 is connected with the air filter cotton 10 and is used for adjusting the tension of the air filter cotton 10, and the tensioning mechanism 13 includes a tensioning roller, a sliding block, a connecting rod and a fixing seat.

[0053] The fixing seat is further provided with a movable groove;

[0054] The sliding block is slidingly installed in the movable groove;

[0055] One end of the connecting rod is connected with the sliding block, and the other end of the connecting rod is connected with the mounting frame;

[0056] The tensioning roller is installed in the mounting frame;

[0057] The spring is installed in the movable groove, and the limiting block for preventing the sliding block from being separated is arranged at the opening of the movable groove;

[0058] The tensioning mechanism 13 ensures that the air filter cotton 10 is kept in a tensioned state.

[0059] It should be noted that the dust removal chamber 12 communicates with the outside, and the dust generated by back blowing is discharged to the outside or is transported to the filter device.

[0060] In the embodiment, the unwinding assembly 8 and the winding assembly 9 both include the roller for transmission and the support for support.

[0061] The working principle of the utility model is as follows:

[0062] The three-way control valve 1 makes the air inlet pipe 3 and the first air exhaust pipe 2 communicate, the blower 7 opens the mouth, and the external air is filtered through the air filter cotton 10 and then is discharged to the outside through the first air exhaust pipe 2, so that the filter can be used normally; when the three-way control valve 1 makes the air inlet pipe 3 and the second air exhaust pipe 4 communicate, the gas discharged from the second air exhaust pipe 4 can blow back to the air filter cotton 10, so as to clean the air filter cotton 10, and then the air filter cotton 10 is wound by the winding assembly 9, so that the service life of the air filter cotton 10 is greatly prolonged.

[0063] The circuit and electronic components and modules are all prior art, and those skilled in the art can realize them without further description; and the content protected by the utility model does not involve the improvement of software and methods.

[0064] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model; any equivalent transformation or direct or indirect application in the related technical field by using the content of the utility model specification and drawings is also included in the patent protection range of the utility model.

[0065] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that can be understood by those skilled in the art.

Claims

1. A new type of ventilated dust filter, characterized in that, The utility model provides a kind of air filter, including three-way control valve, air inlet pipe, first exhaust pipe, second exhaust pipe, dust removal box, filter box and filter mechanism; The air inlet end of the three-way control valve is connected with the filter box and the air blower in sequence through the air inlet pipe, one of the air outlet ends of the three-way control valve is connected with the first exhaust pipe, and the other air outlet end of the three-way control valve is connected with the dust removal box through the second exhaust pipe; The filter mechanism includes unwinding assembly, winding assembly and air filter cotton. The air filter cotton wound on the unwinding assembly passes through the filter window of the filter box and the dust removal window of the dust removal box in sequence and is connected with the winding assembly.

2. A new type of ventilated dust filter according to claim 1, characterized in that, A plurality of strip-shaped holes are arranged on the filter window of the filter box and the dust removal window of the dust removal box.

3. A new type of ventilated dust filter according to claim 1, characterized in that, The utility model further includes dust removal chamber and filter chamber, the dust removal box is installed in the dust removal chamber, and the filter box is installed in the filter chamber.

4. A new type of ventilated dust filter according to claim 1, characterized in that, The utility model further includes tensioning mechanism, the tensioning mechanism is connected with the air filter cotton, and is used for adjusting the tension of air filter cotton.

5. A new type of ventilated dust filter according to claim 4, characterized in that, The tensioning mechanism includes tensioning roller, sliding block, connecting rod and fixing seat. An active slot is further formed on the fixing seat. The sliding block is slidingly installed in the active slot. One end of the connecting rod is connected with the sliding block, and the other end of the connecting rod is connected with mounting bracket. The tensioning roller is installed in the mounting bracket. A spring is installed in the active slot, and a limiting block for preventing the sliding block from being separated is arranged at the opening of the active slot.

6. A new type of ventilated dust filter according to claim 1, characterized in that, The unwinding assembly and the winding assembly each include roller for transmission and support bracket.

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