Special filter element for air compressor

Abstract

The utility model relates to the technical field of filter elements, in particular to a special filter element for an air compressor, which adopts the technical scheme that the special filter element comprises an upper gland, a lower gland, a filter cartridge and a connecting pipe, a connecting pipe is fixedly mounted at the top of the upper gland, a flange plate is fixedly mounted at the top of the connecting pipe, a mounting ring is fixedly mounted in the connecting pipe, and a driving shaft is mounted in the center of the mounting ring through a bearing. According to the utility model, the filter cartridge with the hollow cone structure is arranged and is matched with a plurality of annular air guide rings, so that air entering the filter cartridge can be preferentially guided to the lower half part of the filter cartridge, and after the space of the lower half part of the filter cartridge is filled with the air, the rest upper half part is gradually filled with the air, so that the air pressure value in the filter cartridge is relatively balanced; the air can be uniformly discharged from the filter cartridge to be filtered, so that the overall utilization rate of the filter cartridge is improved, and the air purification effect of the filter cartridge is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter core technical field, concretely is a special filter core of air compressor. BACKGROUND

[0002] The air compressor will inhale a large amount of air in the operation process, and these air often contains dust, impurities, moisture and other pollutants, the main role of air filter is to filter out these pollutants, ensure that the air entering the air compressor is clean, thereby protecting the internal components of the air compressor, prolonging its service life, improving the operation efficiency, therefore we propose a special filter core of air compressor.

[0003] The prior art has the following defects in use:

[0004] The special filter core of air compressor in the prior art is not uniform for air distribution, which causes the air pressure value inside the filter core to be unbalanced, thereby making the local filter core usage rate higher, and the service life faster, thereby reducing the air filtration effect of the filter core in the entire use cycle;

[0005] The special filter core of air compressor in the prior art cannot clean the impurities attached to the filter core when filtering the impurities in the air, because the traditional filter core is a ring around closed structure, so that the internal impurities attached to the filter core cannot be cleaned, which causes the internal mesh of the filter core to be blocked after working, which will generate a large resistance to the flow of air, thereby affecting the air intake efficiency of the air compressor.

[0006] In view of this, we propose a special filter core of air compressor to solve the existing problems. UTILITY MODEL CONTENTS

[0007] The utility model aims at providing a special filter core of air compressor to solve the problems in the above background technology.

[0008] To achieve the above object, the utility model provides the following technical scheme: a special filter core of air compressor, including upper pressure cover, lower pressure cover, filter drum and connecting pipe, the top of upper pressure cover is connected and installed with sealing ring;

[0009] The connecting pipe is fixedly installed at the top of the upper pressure cover, the flange plate is fixedly installed at the top of the connecting pipe, the mounting ring is fixedly installed in the connecting pipe, the driving shaft is installed at the central position of the mounting ring through the bearing, the driving head is fixedly installed at the top of the mounting ring extending to the top of the driving shaft, a plurality of fan blades are fixedly installed on the side surface of the driving head, the bottom end of the driving shaft is a sharp end, a plurality of barbs are fixedly installed on the side surface of the driving shaft, and a plurality of sharp ends perpendicular to the barbs are arranged at the end away from the driving shaft of the barb;

[0010] The bottom of the upper pressing cover is fixedly provided with a filter cartridge on the inner side of the protective cover, the filter cartridge is a hollow conical structure with a narrow upper part and a wide lower part, a plurality of micropores are arranged in the filter cartridge, and a wind guide ring is arranged at equal intervals in the filter cartridge.

[0011] The bottom of the filter cartridge is fixedly provided with a lower pressing cover.

[0012] Preferably, the bottom of the upper pressing cover is fixedly provided with a protective cover, and a ventilation hole is formed at the central position of the upper pressing cover.

[0013] Preferably, a plurality of fan-shaped ventilation grooves are formed in the inner part of the mounting ring, and the mounting ring is fixedly connected with the inner wall of the connecting pipe.

[0014] Preferably, the wind guide ring is a sheet-shaped annular structure, and the wind guide ring is obliquely arranged in the inner part of the filter cartridge.

[0015] Preferably, a clamping groove is arranged at the central position of the top of the lower pressing cover, a conical groove is arranged at the top of the clamping groove, and the groove is connected with the tip of the bottom end of the driving shaft.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The filter cartridge with the hollow conical structure cooperates with the annular wind guide rings, can guide the air entering the filter cartridge to the lower half of the filter cartridge first, and after the space of the lower half of the filter cartridge is filled with air, the remaining upper half is gradually filled with air, so that the air pressure value in the filter cartridge is relatively balanced, the air can be uniformly discharged from the filter cartridge for filtration, the utilization rate of the filter cartridge as a whole is improved, and the purification effect of the filter cartridge on the air is ensured.

[0018] The driving head drives the driving shaft to rotate, so that when the air flows in the device, the fluid mechanics is used to drive the driving head and the driving shaft to rotate by the air, and then the plurality of barbs rotate synchronously with the driving shaft, the impurities and lint on the inner wall of the filter cartridge are stripped to form flocculation, the inside of the filter cartridge is conveniently cleaned, the inner mesh of the filter cartridge is ensured to be unobstructed, the air flow is facilitated, and the air compressor can normally intake air. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is a front structure schematic view of the utility model;

[0021] Figure 3 It is a front internal structure schematic view of the utility model;

[0022] Figure 4 It is a three-dimensional internal structure schematic view of the utility model;

[0023] Figure 5 It is a three-dimensional cross section structure schematic view of the utility model;

[0024] Figure 6 It is a local three-dimensional structure schematic view of the utility model;

[0025] Figure 7 It is Figure 3 It is a local enlarged structure schematic view at A of the utility model;

[0026] Figure 8 It is Figure 6 It is a local enlarged structure schematic view at B of the utility model.

[0027] In the drawing: 1, upper gland; 101, sealing ring; 102, protective cover; 2, lower gland; 3, filter cartridge; 301, air guide ring; 4, connecting pipe; 401, driving head; 402, driving shaft; 403, barb; 404, mounting ring. Specific implementation

[0028] The technical scheme of the utility model is further explained below in combination with the drawings and specific embodiments.

[0029] As Figure 1 - Figure 6 Indicated, the utility model provides a filter core special for air compressor, including upper gland 1, lower gland 2, filter cartridge 3 and connecting pipe 4, the top of upper gland 1 is clamped and is installed with sealing ring 101, upper gland 1 can provide the position of installation to surrounding assembly, sealing ring 101 can make the sealing property of upper gland 1 better when installing, can avoid the loose of upper gland 1 when installing, and prevent the top of upper gland 1 from the air leakage condition of appearing;

[0030] The upper cover 1 is fixedly installed with a connecting pipe 4 at the top, a flange plate is fixedly installed at the top of the connecting pipe 4, an installation ring 404 is fixedly installed inside the connecting pipe 4, a driving shaft 402 is installed at the central position of the installation ring 404 through a bearing, a driving head 401 is fixedly installed at the top end of the driving shaft 402 extending to the top of the installation ring 404, a plurality of fan blades are fixedly installed on the side of the driving head 401, the bottom end of the driving shaft 402 is a sharp end, a plurality of barbs 403 are fixedly installed on the side of the driving shaft 402, and a plurality of sharp ends perpendicular to the barbs 403 are arranged at the end of the barbs 403 away from the driving shaft 402, the connecting pipe 4 is connected with an external pipeline, so as to introduce air into the inside of the filter cartridge 3, the installation ring 404 can provide an installation position for the driving shaft 402 and the driving head 401, so that the driving head 401 is more stable when driving the driving shaft 402 to rotate, thereby synchronously rotating the driving head 401, the driving shaft 402 and the barbs 403 in the inside of the filter cartridge 3, and concentrating the impurities and flocculation in the inside of the filter cartridge 3 on the outside of the barbs 403, so as to ensure the filtering effect of the filter cartridge 3 on air;

[0031] The filter cartridge 3 is fixedly installed at the bottom of the upper cover 1 inside the protective cover 102, the filter cartridge 3 is a hollow conical structure with a narrow top and a wide bottom, a plurality of micropores are arranged in the filter cartridge 3, and air guiding rings 301 are installed at equal intervals in the inside of the filter cartridge 3, the filter cartridge 3 can filter impurities in air, so that the air is purified and discharged, avoiding a large amount of impurities from entering the inside of the air compressor to cause blockage of the air compressor, the air guiding rings 301 can guide the flow of air in the inside of the filter cartridge 3, so as to assist the filter cartridge 3 to uniformly distribute air in the inside of the filter cartridge 3, thereby ensuring the filtering effect of the filter cartridge 3 on air.

[0032] The lower cover 2 is fixedly installed at the bottom of the filter cartridge 3, and the lower cover 2 can provide an installation position for the assembly at the top, thereby cooperating with the upper cover 1 to ensure the structural stability of the whole device.

[0033] Further, the protective cover 102 is fixedly installed at the bottom of the upper cover 1, and a ventilation hole is formed at the central position of the upper cover 1, the protective cover 102 can protect the assembly inside, the distance between the protective cover 102 and the lower cover 2 is three to five centimeters, and a plurality of air permeable holes are arranged in the inside of the protective cover 102, which can protect the assembly inside while not affecting the flow of air.

[0034] Further, a plurality of fan-shaped ventilation grooves are formed in the inside of the installation ring 404, and the installation ring 404 is fixedly connected with the inner wall of the connecting pipe 4.

[0035] Further, the air guiding ring 301 is a sheet-shaped annular structure, and the air guiding ring 301 is obliquely installed in the inside of the filter cartridge 3.

[0036] Further, a clamping groove is arranged at the top central position of the lower pressing cover 2, and a conical recess is arranged at the top of the clamping groove, and the recess is connected with the tip of the bottom end of the driving shaft 402.

[0037] Working principle: after the device is assembled and checked, air is introduced into the filter cartridge 3 through the connecting pipe 4, and the air in the connecting pipe 4 blows the driving head 401 to rotate at high speed, so that the driving head 401 drives the driving shaft 402 and the barb 403 to rotate, the air in the filter cartridge 3 is uniformly distributed in the filter cartridge 3 under the guidance of the air guide ring 301 and the filter cartridge 3, and after the air pressure in the filter cartridge 3 gradually increases, the air in the filter cartridge 3 is uniformly discharged, and the solid impurities contained in the air are filtered in the filter cartridge 3, the solid impurities filtered out are concentrated on the surface of the barb 403 by the rotating barb 403 contacting the inner wall of the filter cartridge 3, so that the filter cartridge 3 can effectively and durably filter the air, the filtered air passes through the protective cover 102 to complete purification, and finally enters the air compressor.

[0038] The above specific embodiments are only several preferred embodiments of the utility model, and based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A filter core special for air compressor, comprising upper pressure cover (1), lower pressure cover (2), filter cylinder (3) and connecting pipe (4), characterized in that: The top of the upper gland (1) is clamped and installed with a sealing ring (101); The top of the upper gland (1) is fixedly installed with a connecting pipe (4), the top of the connecting pipe (4) is fixedly installed with a flange plate, the inside of the connecting pipe (4) is fixedly installed with a mounting ring (404), the central position of the mounting ring (404) is installed with a driving shaft (402) through a bearing, the top end of the driving shaft (402) extends to the top of the mounting ring (404) and is fixedly installed with a driving head (401), the side of the driving head (401) is fixedly installed with a plurality of fan blades, the bottom end of the driving shaft (402) is a sharp end, the side of the driving shaft (402) is fixedly installed with a plurality of barbs (403), and the end away from the driving shaft (402) of the barb (403) is provided with a plurality of sharp ends perpendicular to the barb (403); The bottom of the upper gland (1) is fixedly installed with a filter cartridge (3) inside the protective cover (102), the filter cartridge (3) is a hollow conical structure with a narrow top and a wide bottom, a plurality of micropores are arranged in the filter cartridge (3), and a plurality of wind guide rings (301) are installed at equal intervals in the inside of the filter cartridge (3). The bottom of the filter cartridge (3) is fixedly installed with a lower gland (2).

2. The filter cartridge of claim 1, wherein: The bottom of the upper gland (1) is fixedly installed with a protective cover (102), and a ventilation hole is formed at the central position of the upper gland (1).

3. The filter cartridge of claim 1, wherein: A plurality of fan-shaped ventilation grooves are formed in the inside of the mounting ring (404), and the mounting ring (404) is fixedly connected with the inner wall of the connecting pipe (4).

4. The filter cartridge of claim 1, wherein: The wind guide ring (301) is a sheet-shaped annular structure, and the wind guide ring (301) is obliquely installed in the inside of the filter cartridge (3).

5. The filter cartridge of claim 1, wherein: The top central position of the lower gland (2) is provided with a clamping groove, the top of the clamping groove is provided with a conical groove, and the groove is connected with the sharp end of the bottom end of the driving shaft (402).

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