CN218358083U

CN218358083U - Dust filtering device of screw compressor

Info

Publication number: CN218358083U
Application number: CN202222552857.7U
Authority: CN
Inventors: 贺景川; 查勇
Original assignee: Chengdu Haiwang Auto Parts Co ltd
Current assignee: Chengdu Haiwang Auto Parts Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-01-24
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a screw compressor dust filter equipment, including screw compressor, the last high efficiency filter that is provided with of screw compressor, the last a plurality of air duct that is provided with of high efficiency filter, the end of air duct is provided with just imitates the filter, just imitate the filter and include annular cover, two filter screens and guard plate, one be provided with the valve on the air duct, it is remaining to be provided with the pipeline in the air duct and open and close the subassembly. The utility model discloses an in the air duct that the annular cover got into to correspond, impurity is filtered through the filter screen, when the filter screen that is located valve one side takes place to block up, the inside negative pressure increase of casing, the negative pressure through the air duct is inhaled and is moved down and compression spring sealed cock board for the air duct of reserve one side switches on with the outside, the normal operating of assurance, make the air duct of reserve one side switch on with the outside, when can realizing clearing up and change the primary filter, the normal operating of assurance need not the machine halt and overhauls.

Description

Dust filtering device of screw compressor

Technical Field

The utility model relates to an air compressor machine equipment technical field specifically is a screw compressor dust filter equipment.

Background

The utility model discloses a be CN 214764111U's utility model patent in disclose a dust filter equipment for screw compressor, including the installing frame, guide board, second floor filter screen, adapter sleeve, connecting cover, elastic cord … … the trapezoidal collection hole of falling, threaded connection pipe, installation pipe and the setting of falling trapezoidal collection frame. Although the device can pull down the filter screen through the setting of first layer filter screen, be favorable to the more convenient filter screen of renewal of user and the trapezoidal hole of collecting that falls, threaded connection pipe, the setting of installation pipe and the trapezoidal frame of collecting that falls, the dust that can filter is collected, is favorable to avoiding the dust too much to cause the device to damage, but along with the lapse of time, it is too much to adhere to the dust on the filter screen, has the dust to block up the filter screen, leads to screw compressor's air input less, influences screw compressor work efficiency's problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw compressor dust filter equipment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a screw compressor dust filter equipment, includes screw compressor, the last high efficiency filter that is provided with of screw compressor, the last a plurality of air duct that is provided with of high efficiency filter, the end of air duct is provided with just imitates the filter, just imitate the filter and include annular cover, two filter screens and guard plate, one be provided with the valve on the air duct, it is remaining be provided with the pipeline in the air duct and open and close the subassembly.

Preferably, the high efficiency filter includes casing and air filter core, the casing sets up on screw compressor's air inlet, and switches on with screw compressor's air inlet, the air filter core sets up in the casing.

Preferably, the number of the air guide pipes is not less than two, and the two air guide pipes are communicated with the air inlet of the shell.

Preferably, the annular cover is arranged at the tail end of the air guide pipe, the filter screen is arranged in the annular cover, a protection plate is arranged at the lower end of the annular cover on the annular cover, and a connecting hole is formed in the inner side of the filter screen on the protection plate.

Preferably, the filter screen is in the shape of an inverted hollow round table, and the feed inlet of the pipeline opening and closing assembly is in threaded connection with the protection plate on the lower side.

Preferably, the pipeline opening and closing assembly comprises two connecting rings, a spring and a sealing plug plate, the two connecting rings are installed in the air guide pipe, the spring is arranged on the connecting ring on the lower side, and the sealing plug plate is installed on the spring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a cooperation of primary filter, pipeline start-stop subassembly is used, and when normal use, the air passes through annular cover entering corresponding air duct, filters impurity through the filter screen, when the filter screen that lies in valve one side takes place to block up, the negative pressure of casing inside increases, through the negative pressure suction of air duct sealed cock board move down and compression spring for the air duct of reserve one side switches on with the outside, the normal operating of assurance;

2. the utility model discloses still use through the cooperation of opening and close the subassembly through primary filter, pipeline simultaneously for the air duct of reserve one side switches on with the outside, and when can realizing clearing up and changing primary filter, the normal operating of assurance need not the shutdown maintenance.

Drawings

Fig. 1 is a schematic view of a first perspective three-dimensional structure of the present invention;

fig. 2 is a schematic view of a second perspective three-dimensional structure of the present invention;

fig. 3 is an enlarged view of the structure at a in fig. 2.

In the figure: 1. a screw compressor; 2. a high efficiency filter; 21. a housing; 22. an air filtration cartridge; 3. a gas-guide tube; 4. a primary filter; 41. an annular shroud; 42. a filter screen; 43. a protection plate; 5. a valve; 6. a pipeline opening and closing assembly; 61. a connecting ring; 62. a spring; 63. a sealing plug plate; 7. a dust collecting bottle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a dust filtering device of a screw compressor comprises a screw compressor 1, wherein a high-efficiency filter 2 is arranged on the screw compressor 1, a plurality of air guide pipes 3 are arranged on the high-efficiency filter 2, a primary filter 4 is arranged at the tail end of each air guide pipe 3, each primary filter 4 comprises an annular cover 41, two filter screens 42 and a protection plate 43, a valve 5 is arranged on one air guide pipe 3, and a pipeline opening and closing assembly 6 is arranged in the rest air guide pipe 3;

the high-efficiency filter 2 comprises a shell 21 and an air filtering filter element 22, wherein the shell 21 is arranged on an air inlet of the screw compressor 1 and communicated with the air inlet of the screw compressor 1, and the air filtering filter element 22 is arranged in the shell 21; the number of the air ducts 3 is not less than two, and the two air ducts 3 are communicated with the air inlet of the shell 21; the annular cover 41 is arranged at the tail end of the gas guide pipe 3, the filter screen 42 is arranged in the annular cover 41, the lower end of the annular cover 41 on the annular cover 41 is provided with a protection plate 43, and the inner side of the filter screen 42 on the protection plate 43 is provided with a connecting hole; the filter screen 42 is in the shape of an inverted hollow round table, and air enters the air duct 3 from the side surface of the filter screen 42, so that dust slides to the dust collecting bottle under the action of gravity. 7, a feed inlet of the pipeline opening and closing assembly 6 is in threaded connection with a protection plate 43 on the lower side; the conduit opening and closing assembly 6 comprises two connecting rings 61, a spring 62 and a sealing plug 63, the two connecting rings 61 are mounted in the gas guide tube 3, the spring 62 is mounted on the connecting ring 61 at the lower side, and the sealing plug 63 is mounted on the spring 62.

The working principle is as follows: the utility model discloses a when normal use, the air filters the air through filter screen 42 in the connecting hole gets into annular cover 41, and the air gets into the air duct 3 that is located valve 5 one side from the filtration pore on the filter screen 42 lateral wall, and the dust is along filter screen 42 landing to dust collecting bottle under the effect of gravity. 7, when filter screen 42 that is located valve 5 one side takes place to block up or valve 5 closes, the inside negative pressure increase of casing 21, the negative pressure increase in air duct 3 inhales sealed cock 63 and moves down and compression spring 62 for the air duct 3 that is located pipeline opening and closing assembly 6 one side switches on with the outside, carries out filtration through filter screen 42, guarantees 1's normal operating, need not to shut down, has convenient to use, advantage that excellent in use effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a screw compressor dust filter equipment, includes screw compressor (1), its characterized in that: be provided with high efficiency filter (2) on screw compressor (1), be provided with a plurality of air duct (3) on high efficiency filter (2), the end of air duct (3) is provided with primary filter (4), primary filter (4) are including annular cover (41), two filter screens (42) and guard plate (43), one be provided with valve (5) on air duct (3), the rest be provided with pipeline in air duct (3) and open and close subassembly (6).

2. The screw compressor dust filter arrangement of claim 1, wherein: high efficiency filter (2) are including casing (21) and air filter core (22), casing (21) set up on screw compressor's (1) air inlet, and lead to with screw compressor's (1) air inlet, air filter core (22) set up in casing (21).

3. The screw compressor dust filter of claim 2, wherein: the number of the air guide pipes (3) is not less than two, and the two air guide pipes (3) are communicated with the air inlet of the shell (21).

4. A screw compressor dust filter arrangement according to claim 3, characterised in that: annular cover (41) set up the end at air duct (3), filter screen (42) set up in annular cover (41), the lower extreme of annular cover (41) is provided with guard plate (43) on annular cover (41), the inboard of filter screen (42) is provided with the connecting hole on guard plate (43).

5. The screw compressor dust filter arrangement of claim 4, wherein: the filter screen (42) is in an inverted hollow round table shape.

6. The screw compressor dust filter arrangement of claim 4, wherein: the feed inlet of the pipeline opening and closing assembly (6) is in threaded connection with the protection plate (43) on the lower side.

7. The screw compressor dust filter arrangement of claim 6, wherein: the pipeline opening and closing assembly (6) comprises two connecting rings (61), a spring (62) and a sealing plug plate (63), the two connecting rings (61) are installed in the air guide pipe (3), the spring (62) is arranged on the connecting ring (61) on the lower side, and the sealing plug plate (63) is installed on the spring (62).