Cyclone breathing type dust filtering device

Abstract

The utility model is suitable for the technical field of dust samplers, and provides a cyclone breathing type dust filtering device which comprises an air inlet assembly, the bottom end of the air inlet assembly is connected with a primary filtering assembly, the bottom end of the primary filtering assembly is connected with a transition assembly, and the bottom end of the transition assembly is connected with a secondary filtering assembly. The top end of the air inlet assembly is slidably connected with a cleaning assembly. The air inlet assembly comprises an air inlet shell, a threaded structure is arranged on the inner wall of the bottom of the air inlet shell, air inlets are symmetrically formed in the two sides of the air inlet shell, and multiple sets of safety columns are arranged on one sides of the air inlets. The device solves the problems that the dust sampler is easily influenced by external ambient light, the detection quality and accuracy are greatly influenced, the interior of the sampler is easily blocked by larger particles, and a filtering device is blocked. The functions of reducing device blockage and influence of external light, improving the detection quality and efficiency, being simple to operate, reducing the cleaning time of operators and improving the working efficiency are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of dust samplers, and more specifically, to a cyclone breathing type dust filtering device. Background Art

[0002] Dust sampler is an instrument used to measure the concentration of suspended dust in ambient air, and is widely used in industry, mining, environmental monitoring and other fields. Dust samplers are highly accurate and stable, and can meet the needs of dust sampling in different environments and conditions.

[0003] At present, the dust samplers on the market drive the external atmosphere into the sampler through internal vacuum, but this type of dust sampler is easily affected by external ambient light, which has a great impact on the detection quality and accuracy. At the same time, if there are large particles or flocs in the external environment, it is easy to clog the inside of the sampler, causing inaccurate detection of the sampler and clogging of the filter device. Once blocked, the staff needs to disassemble the filter device for scraping.

[0004] Therefore, a cyclone-breathing dust filtering device is proposed to solve the problem that the external ambient light affects the detection accuracy and larger particles or flocs easily clog the inside of the filter. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a cyclone breathing dust filtering device which can reduce device clogging and the influence of external light, improve detection quality and efficiency, is simple to operate, reduces operator cleaning time, and improves work efficiency.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A cyclone breathing type dust filtering device comprises an air intake assembly, the bottom end of the air intake assembly is connected to a primary filter assembly, the bottom end of the primary filter assembly is connected to a transition assembly, the bottom end of the transition assembly is connected to a secondary filter assembly, and the top end of the air intake assembly is slidably connected to a cleaning assembly; the air intake assembly comprises an air intake shell, the bottom inner wall of the air intake shell is provided with a threaded structure, air inlets are symmetrically opened on both sides of the air intake shell, a plurality of groups of safety columns are provided on one side of the air inlet, and a cleaning button hole is opened on the top of the air intake shell; the transition assembly comprises a transition shell, the top and bottom outer walls of the transition shell are provided with a threaded structure, a transition hole is provided at the top center of the transition shell, and a first cleaning support column is provided on the side of the transition shell away from the transition hole; the secondary filter assembly comprises a secondary filter shell, the bottom end of the secondary filter shell is provided with an air outlet, and the top of the secondary filter disc is provided with a second cleaning support column.

[0008] The utility model is further configured as follows: the primary filter assembly comprises a primary filter housing, the top outer wall and the bottom inner wall of the primary filter housing are both provided with threaded structures, a primary filter disc is provided at the center of the primary filter housing, and a plurality of groups of primary connecting columns are annularly connected between the primary filter housing and the primary filter disc.

[0009] By adopting the above technical solution, the air is introduced into the air inlets opened at both ends of the air inlet housing, and the safety columns set on the air inlets reduce large particles in the air, and prevent operators from inserting their hands to achieve the function of safety protection. The cleaning button hole provides an installation environment for the cleaning component. The air inside the air inlet housing is introduced by connecting the primary filter housing to the air inlet housing, and large particles in the air are filtered through the primary filter disc and the primary connecting column. At the same time, a part of the external light is filtered to reduce the impact on the detection device and improve the detection quality and efficiency. The air in the primary filter assembly is introduced by connecting the transition housing to the primary filter housing, and the air in the primary filter assembly and the transition assembly is introduced into the secondary filter assembly through the transition hole, reducing the external light entering the detection device and improving the detection quality and efficiency.

[0010] The utility model is further configured as follows: a threaded structure is provided on the inner wall of the secondary filter housing, a secondary filter disc is provided at the center of the secondary filter housing, a plurality of groups of secondary connecting columns are annularly connected between the secondary filter housing and the secondary filter disc, the air outlet is configured as a hollow structure, and a thread is provided on the outer wall thereof, and a third cleaning support column is provided on the side of the secondary filter housing close to the secondary filter disc.

[0011] By adopting the above technical solution, the secondary filter housing is connected to the transition housing to introduce the air in the transition assembly into the secondary filter assembly. The second cleaning support column and the third cleaning support column provide an installation environment for the cleaning assembly, and the air filtered inside the secondary filter assembly is delivered to the detection device for detection through the air outlet. The large particles in the air are further reduced by the secondary filter disc and the secondary connecting column. At the same time, a part of the external light is filtered to reduce the impact on the detection device, thereby improving the detection quality and efficiency.

[0012] The utility model is further configured as follows: the cleaning component comprises a cleaning button, a first connecting rod is arranged at the bottom of the cleaning button, the first connecting rod is adapted to the shape of the cleaning button hole, and a spring is arranged on the outer side of the first connecting rod.

[0013] The utility model is further configured as follows: a second connecting rod is hingedly connected to the bottom end of the first connecting rod, one side of the second connecting rod is hingedly connected to the first cleaning support column, a first cleaning scraper is hingedly connected to the bottom end of the second connecting rod, and the first cleaning scraper is slidably connected to the inner wall of the transition hole.

[0014] The utility model is further configured as follows: a third connecting rod is hinged to the bottom end of the first cleaning scraper, one side of the third connecting rod is hinged to the second cleaning support column, the other end of the third connecting rod is hinged to a fourth connecting rod, one side of the fourth connecting rod is hinged to the third cleaning support column, the bottom end of the fourth connecting rod is hinged to the second cleaning scraper, and the second cleaning scraper is slidably connected to the inner wall of the air outlet.

[0015] By adopting the above technical solution, the operator presses the cleaning button, the first connecting rod slides downward, the spring is compressed by the cleaning button, and the other end of the first connecting rod moves downward, driving one end of the second connecting rod downward, the first cleaning support column fixes one end of the second connecting rod and presses down the other end to tilt, driving the first cleaning scraper to slide upward, and scraping off the residual large particles on the inner wall of the transition hole, and one end of the third connecting rod connected to the bottom of the first cleaning scraper is lifted upward, and the second cleaning support column fixes one end of the third connecting rod and lifts up the other end to press down, driving one end of the fourth connecting rod to press down, the third cleaning support column fixes one end of the fourth connecting rod and presses down the other end to tilt, driving the second cleaning scraper to slide upward, scraping off the residual large particles on the inner wall of the air outlet, thereby realizing the cleaning function of small holes in the filter device, reducing the risk of clogging, and improving the working efficiency of the filter device. When the operator releases the cleaning button, the cleaning component returns to its original state, the operation is simple, the cleaning time of the operator is reduced, and the work efficiency is improved.

[0016] In summary, the present application includes at least one of the following beneficial technical effects:

[0017] 1. The air inlets opened at both ends of the air inlet housing introduce air. The safety columns set on the air inlets reduce large particles in the air and prevent operators from inserting their hands to achieve the function of safety protection. The cleaning button hole provides an installation environment for the cleaning component. The air inside the air inlet housing is connected to the air inlet housing through the primary filter housing, and large particles in the air are filtered through the primary filter disc and the primary connecting column. At the same time, part of the external light is filtered to reduce the impact on the detection device and improve the detection quality and efficiency. The air in the primary filter assembly is introduced by connecting the transition housing to the primary filter housing, and the air in the primary filter assembly and the transition assembly is introduced into the secondary filter assembly through the transition hole, reducing the external light entering the detection device and improving the detection quality and efficiency.

[0018] 2. The secondary filter housing is connected to the transition housing to introduce the air in the transition assembly into the secondary filter assembly. The second cleaning support column and the third cleaning support column provide an installation environment for the cleaning assembly, and the air filtered inside the secondary filter assembly is delivered to the detection device for detection through the air outlet. The secondary filter disc and the secondary connecting column further reduce large particles in the air. At the same time, a part of the external light is filtered to reduce the impact on the detection device and improve the detection quality and efficiency.

[0019] 3. The operator presses the cleaning button, the first connecting rod slides downward, the spring is compressed by the cleaning button, and the other end of the first connecting rod moves downward, driving one end of the second connecting rod downward, the first cleaning support column fixes one end of the second connecting rod and presses down the other end to lift up, driving the first cleaning scraper to slide upward, and scraping off the residual large particles on the inner wall of the transition hole, one end of the third connecting rod connected to the bottom of the first cleaning scraper is lifted upward, the second cleaning support column fixes one end of the third connecting rod and lifts up the other end to press down, driving one end of the fourth connecting rod to press down, the third cleaning support column fixes one end of the fourth connecting rod and presses down the other end to lift up, driving the second cleaning scraper to slide upward, scraping off the residual large particles on the inner wall of the air outlet, realizing the cleaning function of small holes in the filter device, reducing the risk of blockage, and improving the working efficiency of the filter device. When the operator releases the cleaning button, the cleaning component returns to its original state, the operation is simple, the cleaning time of the operator is reduced, and the work efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the cyclone breathing type dust filtering device of the utility model.

[0021] Figure 2 It is an exploded schematic diagram of the air intake component and the primary filter component in the utility model.

[0022] Figure 3 It is an exploded schematic diagram of the transition component and the secondary filter component in the utility model.

[0023] Figure 4 for Figure 1 Section view in the AA cutting direction.

[0024] Figure 5 for Figure 4 A partial enlarged view of area B.

[0025] Description of reference numerals: 1. air intake assembly; 11. air intake housing; 12. air intake port; 13. safety column; 14. cleaning button hole;

[0026] 2. primary filter assembly; 21. primary filter housing; 22. primary filter disc; 23. primary connecting column;

[0027] 3. Transition assembly; 31. Transition housing; 32. Transition hole; 33. First cleaning support column;

[0028] 4. Secondary filter assembly; 41. Secondary filter housing; 42. Secondary filter disc; 43. Secondary connecting column; 44. Air outlet; 45. Second cleaning support column; 46. Third cleaning support column;

[0029] 5. Cleaning assembly; 51. Cleaning button; 52. First connecting rod; 53. Spring; 54. Second connecting rod; 55. First cleaning scraper; 56. Third connecting rod; 57. Fourth connecting rod; 58. Second cleaning scraper. DETAILED DESCRIPTION

[0030] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0031] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0032] For example, see Figure 1-5 , the utility model provides the following technical solutions:

[0033] Specifically refers to a cyclone breathing type dust filtering device, see Figure 1 , including an air intake component 1, through which external air is introduced and large particles in the air are preliminarily reduced, while preventing operators from inserting their hands. The bottom end of the air intake component 1 is connected to a primary filter component 2, through which large particles entering the detection equipment are further reduced to prevent clogging of the detection device and reduce the impact of external light sources on the detection device. The bottom end of the primary filter component 2 is connected to a transition component 3, through which the air entering the primary filter component 2 is introduced into a secondary filter component 4, and the bottom end of the transition component 3 is connected to a secondary filter component 4, through which large particles are further reduced and the impact of external light sources on the detection device is reduced. The top end of the air intake component 1 is slidably connected to a cleaning component 5, through which the blockage of small channels in the filter device is cleaned.

[0034] See also Figure 2 The air intake assembly 1 includes an air intake housing 11, the inner wall of the bottom of the air intake housing 11 is provided with a threaded structure, air intake ports 12 are symmetrically provided on both sides of the air intake housing 11, a plurality of safety columns 13 are provided on one side of the air intake ports 12, and a cleaning button hole 14 is provided on the top of the air intake housing 11. Air is introduced through the air intake ports 12 provided at both ends of the air intake housing 11, and the safety columns 13 provided on the air intake ports 12 reduce large particles in the air, and prevent operators from inserting their hands, thereby realizing the function of safety protection, and the cleaning button hole 14 provides an installation environment for the cleaning assembly 5.

[0035] See also Figure 2The primary filter assembly 2 includes a primary filter housing 21. The top outer wall and the bottom inner wall of the primary filter housing 21 are both provided with a threaded structure. A primary filter disc 22 is provided at the center of the primary filter housing 21. A plurality of groups of primary connection columns 23 are annularly connected between the primary filter housing 21 and the primary filter disc 22. The primary filter housing 21 is connected to the air intake housing 11 to introduce the air inside the air intake housing 11. The large particles in the air are filtered through the primary filter disc 22 and the primary connection column 23. At the same time, a part of the external light is filtered to reduce the impact on the detection device and improve the detection quality and efficiency.

[0036] See also Figure 3 The transition assembly 3 includes a transition housing 31, the top and bottom outer walls of the transition housing 31 are provided with threaded structures, a transition hole 32 is provided at the top center of the transition housing 31, and a first cleaning support column 33 is provided on the side of the transition housing 31 away from the transition hole 32. The air in the primary filter assembly 2 is introduced through the transition housing 31 connected to the primary filter housing 21, and the air in the primary filter assembly 2 and the transition assembly 3 is introduced into the secondary filter assembly 4 through the transition hole 32, thereby reducing the external light entering the detection device and improving the detection quality and efficiency.

[0037] See also Figure 3 The secondary filter assembly 4 includes a secondary filter housing 41, the inner wall of the secondary filter housing 41 is provided with a threaded structure, a secondary filter disc 42 is provided at the center of the secondary filter housing 41, a plurality of secondary connection columns 43 are connected in an annular manner between the secondary filter housing 41 and the secondary filter disc 42, an air outlet 44 is provided with a hollow structure, and its outer wall is provided with a thread, an air outlet 44 is provided at the bottom of the secondary filter housing 41, a second cleaning support column 45 is provided at the top of the secondary filter disc 42, and a third cleaning support column 46 is provided at the side of the secondary filter housing 41 close to the secondary filter disc 42. The air in the transition assembly 3 is introduced into the secondary filter assembly 4 by connecting the secondary filter housing 41 with the transition housing 31. The second cleaning support column 45 and the third cleaning support column 46 provide an installation environment for the cleaning assembly 5, and the air filtered inside the secondary filter assembly 4 is delivered to the detection device through the air outlet 44 for detection. The large particles in the air are further reduced by the secondary filter disc 42 and the secondary connection column 43, and at the same time, a part of the external light is filtered to reduce the impact on the detection device, thereby improving the detection quality and efficiency.

[0038] See also Figure 4-5The cleaning assembly 5 includes a cleaning button 51, a first connecting rod 52 is provided at the bottom of the cleaning button 51, the first connecting rod 52 is adapted to the shape of the cleaning button hole 14, and a spring 53 is provided on the outside of the first connecting rod 52. A second connecting rod 54 is hinged at the bottom end of the first connecting rod 52, one side of the second connecting rod 54 is hinged to the first cleaning support column 33, a first cleaning scraper 55 is hinged at the bottom end of the second connecting rod 54, and the first cleaning scraper 55 is slidably connected to the inner wall of the transition hole 32. A third connecting rod 56 is hinged at the bottom end of the first cleaning scraper 55, one side of the third connecting rod 56 is hinged to the second cleaning support column 45, the other end of the third connecting rod 56 is hinged to the fourth connecting rod 57, one side of the fourth connecting rod 57 is hinged to the third cleaning support column 46, a second cleaning scraper 58 is hinged at the bottom end of the fourth connecting rod 57, and the second cleaning scraper 58 is slidably connected to the inner wall of the air outlet 44.

[0039] Specifically, the operator presses the cleaning button 51, the first connecting rod 52 slides downward, the spring 53 is compressed by the cleaning button 51, the other end of the first connecting rod 52 moves downward, driving one end of the second connecting rod 54 to move downward, the first cleaning support column 33 fixes one end of the second connecting rod 54 to press down the other end to tilt, driving the first cleaning scraper 55 to slide upward, and scraping off the residual large particles on the inner wall of the transition hole 32, the third connecting rod 56 connected to the bottom of the first cleaning scraper 55 One end is lifted upward, the second cleaning support column 45 fixes one end of the third connecting rod 56 to lift up the other end to press down, driving one end of the fourth connecting rod 57 to press down, the third cleaning support column 46 fixes one end of the fourth connecting rod 57 to press down the other end to tilt, driving the second cleaning scraper 58 to slide upward, scraping off the residual large particles on the inner wall of the air outlet 44, realizing the cleaning function of the small holes of the filter device, reducing the risk of clogging, and improving the working efficiency of the filter device. When the operator releases the cleaning button 51, the cleaning assembly 5 returns to its original state, the operation is simple, the cleaning time of the operator is reduced, and the working efficiency is improved.

[0040] The working principle of a cyclone breathing type dust filtering device provided by the utility model is as follows:

[0041] When the operator presses the cleaning button 51, the first connecting rod 52 slides downward, the spring 53 is compressed by the cleaning button 51, and the other end of the first connecting rod 52 moves downward, driving one end of the second connecting rod 54 to move downward. The first cleaning support column 33 fixes one end of the second connecting rod 54 to press down and the other end to tilt up, driving the first cleaning scraper 55 to slide upward to scrape off the residual large particles on the inner wall of the transition hole 32. One end of the third connecting rod 56 connected to the bottom of the first cleaning scraper 55 is lifted upward, and the second cleaning support column 45 fixes one end of the third connecting rod 56 to lift up and press down the other end, driving one end of the fourth connecting rod 57 to press down. The third cleaning support column 46 fixes one end of the fourth connecting rod 57 to press down and the other end to tilt up, driving the second cleaning scraper 58 to slide upward to scrape off the residual large particles on the inner wall of the air outlet 44. When the operator releases the cleaning button 51, the cleaning assembly 5 returns to its original state.

[0042] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

Claims

1. Cyclone breathing dust filtering device, characterized by: It comprises an air intake assembly (1), wherein the bottom end of the air intake assembly (1) is connected to a primary filter assembly (2), the bottom end of the primary filter assembly (2) is connected to a transition assembly (3), the bottom end of the transition assembly (3) is connected to a secondary filter assembly (4), and the top end of the air intake assembly (1) is slidably connected to a cleaning assembly (5); The air intake assembly (1) comprises an air intake housing (11), the inner wall of the bottom of the air intake housing (11) is provided with a threaded structure, air intake ports (12) are symmetrically provided on both sides of the air intake housing (11), a plurality of groups of safety columns (13) are provided on one side of the air intake port (12), and a cleaning button hole (14) is provided on the top of the air intake housing (11); The transition assembly (3) comprises a transition shell (31), the top and bottom outer walls of the transition shell (31) are provided with threaded structures, a transition hole (32) is provided at the top center of the transition shell (31), and a first cleaning support column (33) is provided on a side of the transition shell (31) away from the transition hole (32); The secondary filter assembly (4) comprises a secondary filter housing (41), the bottom end of the secondary filter housing (41) is provided with an air outlet (44), and the top of the secondary filter disc (42) is provided with a second cleaning support column (45).

2. The cyclone-breathing dust filtering device according to claim 1, characterized in that: The primary filter assembly (2) comprises a primary filter housing (21), the top outer wall and the bottom inner wall of the primary filter housing (21) are both provided with a threaded structure, a primary filter disc (22) is provided at the center of the primary filter housing (21), and a plurality of groups of primary connection columns (23) are annularly connected between the primary filter housing (21) and the primary filter disc (22).

3. The cyclone-breathing dust filtering device according to claim 1, characterized in that: The inner wall of the secondary filter housing (41) is provided with a threaded structure, a secondary filter disc (42) is provided at the center of the secondary filter housing (41), a plurality of groups of secondary connection columns (43) are annularly connected between the secondary filter housing (41) and the secondary filter disc (42), the air outlet (44) is provided with a hollow structure and a threaded structure on its outer wall, and a third cleaning support column (46) is provided on one side of the secondary filter housing (41) close to the secondary filter disc (42).

4. The cyclone-breathing dust filtering device according to claim 1, characterized in that: The cleaning assembly (5) comprises a cleaning button (51), a first connecting rod (52) is arranged at the bottom of the cleaning button (51), the first connecting rod (52) is adapted in shape to the cleaning button hole (14), and a spring (53) is arranged on the outside of the first connecting rod (52).

5. The cyclone-breathing dust filtering device according to claim 4, characterized in that: A second connecting rod (54) is hinged at the bottom end of the first connecting rod (52), one side of the second connecting rod (54) is hinged to the first cleaning support column (33), a first cleaning scraper (55) is hinged at the bottom end of the second connecting rod (54), and the first cleaning scraper (55) is slidably connected to the inner wall of the transition hole (32).

6. The cyclone-breathing dust filtering device according to claim 5, characterized in that: A third connecting rod (56) is hinged at the bottom end of the first cleaning scraper (55), and one side of the third connecting rod (56) is hinged to the second cleaning support column (45). The other end of the third connecting rod (56) is hinged to a fourth connecting rod (57), and one side of the fourth connecting rod (57) is hinged to the third cleaning support column (46). A second cleaning scraper (58) is hinged at the bottom end of the fourth connecting rod (57), and the second cleaning scraper (58) is slidably connected to the inner wall of the air outlet (44).

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