CN219722279U

CN219722279U - Combined filter

Info

Publication number: CN219722279U
Application number: CN202321057326.9U
Authority: CN
Inventors: 宋万明; 高燕; 宋兆龙; 刘龙睿
Original assignee: Dongguan Shengkai Precision Machinery Co ltd
Current assignee: Dongguan Shengkai Precision Machinery Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-09-22
Anticipated expiration: 2033-05-05

Abstract

The utility model relates to a combined filter in the field of filters, which comprises a filter shell, a first filter and a second filter, wherein the filter shell comprises an upper shell and a lower shell, the top of the upper shell is connected with a control valve, the surface of the control valve is connected with an air inlet interface and an air outlet interface, the surface of the control valve is provided with an air outlet pipeline which is connected with the air outlet interface in a conducting way, the upper shell is arranged at the top of the lower shell in a matching way through a buckle, the first filter comprises a multi-medium filter, a storage tank which is connected with the air outlet pipeline is arranged in the lower shell in a matching way, the upper shell is arranged in the matching way with the lower shell through the buckle, the disassembly and the assembly are facilitated, and after the air passes through the multi-medium filter to perform deodorization and the first dust removal, the air enters the second filter in the lower shell through an air outlet nozzle to form the second dust removal filtration, the air filtration effect is facilitated to be enhanced, and the air is discharged through the air outlet pipeline through the air outlet interface to enhance the filtration effect.

Description

Combined filter

Technical Field

The utility model relates to the field of filters, in particular to a combined filter.

Background

The air filter is mainly used for capturing particle dust and various suspended matters in air, is generally used for cleaning workshops, cleaning operating rooms, laboratories, clean rooms, dust prevention functions of equipment such as electronic mechanical communication and the like, and therefore the air filter is usually used for filtering air, so that the cleanliness of the air is guaranteed, the air quality is improved, and the combined filter is widely used in air filtering.

In the existing combined filter, after the air is led into a filtering space for simple filtering, the phenomenon that the led-in air and the filtered air are mixed exists during filtering is caused, and the air is discharged out of the filter again, so that the filtering effect is poor, the cleaning of the air is not facilitated, and when the fine solid particles contained in the air are more, the particles are hung on the filter element, the circulation efficiency of the filter element is continuously reduced, so that the filtering efficiency is reduced, the filter element is required to be replaced and cleaned timely, the smoothness of the filter element is kept, but the existing filter is complex in operation during the replacement of the filter element, and is not easy to clean and replace, and the installation, the disassembly and the use are affected.

Disclosure of Invention

The utility model aims to solve the defects and provide a combined filter to solve the technical problems of poor filtering effect and inconvenient replacement of a filtering filter element caused by mixing of filtered air and unfiltered air in the filter in the prior art.

The object of the utility model is achieved by:

the utility model provides a combination formula filter, includes filter housing, first filter and second filter set up in filter housing's inside, filter housing includes casing and lower casing, the top of going up the casing is connected with the control valve, the surface connection of control valve has air inlet port and exhaust interface, the surface of control valve is equipped with the exhaust duct who switches on the connection with the exhaust interface, the one end of going up the casing switches on the connection with the one end of air inlet port, go up the casing and set up in lower casing's top through the buckle pair, go up the inside of casing and lower casing for switching on the setting, first filter includes the multi-media filter, multi-media filter's inside is equipped with foam layer in proper order, quartz sand layer and active carbon layer, multi-media filter's bottom is connected with the exhaust mouth, the periphery of exhaust mouth is equipped with a plurality of exhaust grooves, the second filter pairs the below of setting in the exhaust mouth, lower casing's inside is equipped with the holding tank that switches on with the exhaust duct.

In the above description, one end of the exhaust pipe sequentially penetrates through the middle parts of the multi-medium filter and the second filter and extends to the bottom of the lower shell, one end of the exhaust pipe extending to the lower shell is connected with the storage tank in a conducting manner, when air sequentially passes through the multi-medium filter and the second filter and then enters the storage tank, and the air is discharged through the exhaust pipe, so that the filtering effect is enhanced.

In the above description, a plurality of through holes are formed in the bottom of the multi-medium filter, the through holes are abutted to the exhaust grooves, air is sequentially filtered by the multi-medium filter and then discharged from the through holes, a first filtering effect is achieved, and the air enters the second filter through the exhaust grooves to be filtered for the second time.

In the above description, further, the second filter comprises fold formula filter, and fold formula filter includes filter screen, filter cotton layer and adapter sleeve, and the filter screen sets up in the middle part on filter cotton layer, and the adapter sleeve pairs to set up in the top on filter screen and filter cotton layer, and the inner wall of lower casing is equipped with the mounting groove that is used for installing the adapter sleeve, removes dust the filtration through the fold formula filter that sets up to the air, reinforcing filter effect.

In the above description, the periphery of the connecting sleeve is connected with the mounting groove through threads, and the surface of the connecting sleeve is provided with a plurality of ventilation holes for matching the exhaust nozzle.

In the above description, further, the one end of going up the casing passes through threaded connection with the interface that admits air, and the inner wall of lower casing is equipped with the draw-in groove that is used for mating the buckle, and the bottom of lower casing is equipped with the drain, pairs the installation through buckle and the draw-in groove that set up, makes its convenient to detach installation, is favorable to the change and the cleanness of follow-up second filter.

In the above description, a sealing ring is arranged at the joint of the upper shell and the lower shell, so that external air is prevented from directly entering the second filter, and a sealing effect is achieved.

The utility model has the beneficial effects that: the buckle arranged on the periphery of the upper shell is matched with the lower shell for installation, so that the buckle structure is fixedly connected, when the second filter needs to be cleaned, the upper shell and the lower shell can be detached in a rotating mode, the connection mode is convenient for alignment, and the disassembly and the assembly are simple and labor-saving, so that the subsequent disassembly and assembly are facilitated; air enters the upper shell from the air inlet interface, so that the air sequentially passes through the foam layer, the quartz sand layer and the active carbon layer in the multi-medium filter to play a role in deodorizing and removing dust for the first time, and enters the lower shell through the exhaust nozzle to form a second filter for removing dust and filtering, and the filtered air enters the storage tank, so that the air filtering effect is enhanced, and the air is discharged through the exhaust interface by the arranged exhaust pipeline, so that the filtered and unfiltered mutual mixing is prevented.

Drawings

FIG. 1 is a perspective view of a modular filter according to the present utility model;

FIG. 2 is a schematic view showing the internal structure of a combined filter according to the present utility model;

FIG. 3 is an exploded view of a modular filter according to the present utility model;

the reference numerals in the drawings are respectively: 100-filtering shell, 101-upper shell, 102-lower shell, 1-control valve, 2-air inlet interface, 3-exhaust interface, 4-exhaust pipeline, 5-buckle, 6-multi-medium filter, 7-foam layer, 8-quartz sand layer, 9-active carbon layer, 10-exhaust nozzle, 11-exhaust groove, 12-storage groove, 130-fold filter, 131-filter screen, 132-filter cotton layer, 133-connecting sleeve, 13-vent hole, 14-clamping groove, 15-drain outlet and 16-sealing ring.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the detailed description.

Referring to fig. 1-3, a combined filter in the embodiment includes a filter housing 100, a first filter and a second filter, where the first filter and the second filter are disposed inside the filter housing 100, the filter housing 100 includes an upper housing 101 and a lower housing 102, a control valve 1 is connected to the top of the upper housing 101, an air inlet port 2 and an air outlet port 3 are connected to the surface of the control valve 1, an air outlet pipe 4 connected to the air outlet port 3 is disposed on the surface of the control valve 1, one end of the upper housing 101 is connected to one end of the air inlet port 2, the upper housing 101 is disposed on the top of the lower housing 102 in a matching manner through a buckle 5, the interiors of the upper housing 101 and the lower housing 102 are in a conducting manner, the first filter includes a multi-medium filter 6, a foam layer 7, a quartz sand layer 8 and an activated carbon layer 9 are sequentially disposed inside the multi-medium filter 6, an air outlet nozzle 10 is connected to the bottom of the multi-medium filter 6, a plurality of air outlet grooves 11 are disposed on the periphery of the air outlet nozzle 10, and the second filter is disposed in a storage tank 12 is disposed below the air outlet nozzle 10 in a matching manner inside the lower housing 102.

One end of the exhaust pipeline 4 sequentially penetrates through the middle parts of the multi-medium filter 6 and the second filter and extends to the bottom of the lower shell 102, one end of the exhaust pipeline 4 extending to the lower shell 102 is connected with the storage tank 12 in a conducting manner, when air sequentially passes through the multi-medium filter 6 and the second filter and enters the storage tank 12 after being filtered, and the air is discharged through the exhaust pipeline 4, so that the filtering effect is enhanced. The bottom of the multi-medium filter 6 is provided with a plurality of through holes which are abutted with the exhaust grooves 11, air is sequentially filtered by the multi-medium filter 6 and then discharged from the through holes, the first filtering effect is achieved, and the air enters the second filter through the exhaust grooves 11 to be filtered for the second time.

The second filter comprises fold formula filter 130, and fold formula filter 130 includes filter screen 131, filter cotton layer 132 and adapter sleeve 133, and filter screen 131 sets up in the middle part on filter cotton layer 132, and the adapter sleeve 133 pairs the top that sets up on filter screen 131 and filter cotton layer 132, and the inner wall of lower casing 102 is equipped with the mounting groove that is used for installing adapter sleeve 133, removes dust the filtration through fold formula filter 130 that sets up to the air, reinforcing filter effect. The periphery of the connecting sleeve 133 is connected with the mounting groove through threads, and the surface of the connecting sleeve 133 is provided with a plurality of vent holes 13 for matching the exhaust nozzle 10. One end of the upper shell 101 is connected with the air inlet interface 2 through threads, a clamping groove 14 for matching the clamping buckle 5 is formed in the inner wall of the lower shell 102, a drain outlet 15 is formed in the bottom of the lower shell 102, and the matched installation is carried out through the arranged clamping buckle 5 and the clamping groove 14, so that the matched installation is convenient, and the replacement and cleaning of a subsequent second filter are facilitated. The joint of the upper housing 101 and the lower housing 102 is provided with a sealing ring 16, which prevents outside air from directly entering the second filter, thereby achieving a sealing effect.

The specific use principle in the utility model is that the multi-medium filter 6 and the fold filter 130 are respectively arranged in the upper shell 101 and the lower shell 102, and the buckle 5 arranged at the periphery of the upper shell 101 is matched with the clamping groove 14 on the inner wall of the lower shell 102 for installation, so that the buckle 5 is fixedly connected in structure, when the second filter needs to be cleaned, the upper shell 101 and the lower shell 102 can be detached in a rotating way, the connection mode is convenient for alignment, and the disassembly and the assembly are simple and labor-saving, so that the subsequent disassembly and assembly are facilitated;

the top of the upper shell 101 is connected with the air inlet port 2 of the exhaust valve through threads, air enters the upper shell 101 from the air inlet port 2, sequentially passes through the foam layer 7, the quartz sand layer 8 and the activated carbon layer 9 in the multi-medium filter 6 to play a role in deodorizing and first dedusting, is discharged from the through hole at the bottom of the filter, enters the pleated filter 130 in the lower shell 102 through the peripheral exhaust groove 11 of the exhaust nozzle 10 to form a secondary dedusting and filtering effect, and the filter screen 131 and the filter cotton layer 132 perform the dedusting effect on the air, so that the air filtering effect is enhanced, the filtered air can enter the storage tank 12 downwards, form backflow in the storage tank 12 and is discharged through the exhaust port 3 through the arranged exhaust pipeline 4, and thus the filtered and unfiltered intermixing is prevented.

The present utility model is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present utility model.

Claims

1. The utility model provides a modular filter, includes filtration casing, first filter and second filter, and first filter and second filter set up in the inside of filtration casing, its characterized in that: the filter shell comprises an upper shell and a lower shell, the top of the upper shell is connected with a control valve, the surface of the control valve is connected with an air inlet port and an air outlet port, the surface of the control valve is provided with an air outlet pipeline which is connected with the air outlet port in a conducting mode, one end of the upper shell is connected with one end of the air inlet port in a conducting mode, the upper shell is arranged at the top of the lower shell in a matched mode through a buckle in a matched mode, the upper shell and the inner portion of the lower shell are arranged in a conducting mode, the first filter comprises a multi-medium filter, a foam layer, a quartz sand layer and an active carbon layer are sequentially arranged in the multi-medium filter, the bottom of the multi-medium filter is connected with an air outlet port, a plurality of air outlet grooves are formed in the periphery of the air outlet port in a matched mode, and a storage groove which is communicated with the air outlet pipeline is formed in the inner portion of the lower shell.

2. A combination filter as defined in claim 1, wherein: one end of the exhaust pipeline sequentially penetrates through the middles of the multi-medium filter and the second filter and extends to the bottom of the lower shell.

3. A combination filter as defined in claim 1, wherein: the bottom of the multi-medium filter is provided with a plurality of through holes which are abutted with the exhaust grooves.

4. A combination filter as defined in claim 1, wherein: the second filter comprises fold filter, and fold filter includes filter screen, filter cotton layer and adapter sleeve, and the filter screen sets up in the middle part on filter cotton layer, and the adapter sleeve pairs to set up in the top on filter screen and filter cotton layer, and the inner wall of lower casing is equipped with the mounting groove that is used for installing the adapter sleeve.

5. A combination filter as defined in claim 4, wherein: the periphery of the connecting sleeve is connected with the mounting groove through threads, and a plurality of vent holes for matching the exhaust nozzle are formed in the surface of the connecting sleeve.

6. A combination filter according to any one of claims 1-5, wherein: one end of the upper shell is connected with the air inlet interface through threads, a clamping groove for matching the buckle is formed in the inner wall of the lower shell, and a drain outlet communicated with the storage groove is formed in the bottom of the lower shell.

7. A combination filter according to any one of claims 1-5, wherein: and a sealing ring is arranged at the joint of the upper shell and the lower shell.