阅读说明：本技术 一种自清洁的筛网 (Self-cleaning screen mesh ) 是由 刘春洋 刘晓奇 董晓兰 朱明慧 刘远 刘亚楠 李成华 王东剑 于 2019-09-26 设计创作，主要内容包括：本发明公开了一种自清洁的筛网,包括矩形的框体,框体的内圈设有水平张紧的筛网,筛网的中心设有圆孔,框体的下端设有固定架,固定架的中部设有套筒一,套筒一位于圆孔的正下方,套筒一的内部设有滑动连接的滑管,滑管的上端抵持在筛网的中部下端面,筛网的中部上端面设有压环,压环通过螺栓与滑管的上端面固定连接,圆孔位于滑管的内圈,滑管的底部侧壁设有通孔一,套筒一的侧壁设有通孔二,套筒一的内部还设有往复直线驱动装置,本筛网通过滑管不断的向下拉扯并抖动筛网,使筛网表面附着的灰尘逐渐抖落至筛网中心的圆孔并排出,省去了人工拆卸清理的麻烦,使筛网能长时间保持较高的通透性。(The invention discloses a self-cleaning screen, which comprises a rectangular frame body, wherein a horizontally tensioned screen is arranged on an inner ring of the frame body, a round hole is arranged at the center of the screen, a fixing frame is arranged at the lower end of the frame body, a first sleeve is arranged in the middle of the fixing frame and is positioned right below the round hole, a sliding pipe in sliding connection is arranged inside the first sleeve, the upper end of the sliding pipe is abutted against the lower end surface of the middle of the screen, a pressing ring is arranged on the upper end surface of the middle of the screen, the pressing ring is fixedly connected with the upper end surface of the sliding pipe through a bolt, the round hole is positioned on the inner ring of the sliding pipe, a first through hole is arranged on the side wall of the bottom of the sliding pipe, a second through hole is arranged on the side wall of the first sleeve, a reciprocating linear driving device is also arranged inside the first sleeve, the screen is continuously pulled downwards through the sliding pipe and shakes the screen, so, the screen can keep higher permeability for a long time.)

1. The self-cleaning screen is characterized by comprising a rectangular frame body (10), wherein the inner ring of the frame body (10) is provided with a screen (8) horizontally tensioned, the center of the screen (8) is provided with a round hole (13), the lower end of the frame body (10) is provided with a fixing frame (11), the middle part of the fixing frame (11) is provided with a first sleeve (19), the first sleeve (19) is positioned under the round hole (13), the inside of the first sleeve (19) is provided with a sliding pipe (15) in sliding connection, the sliding pipe (15) is a hollow uncovered pipe body, the upper end of the sliding pipe (15) is abutted against the lower end face of the middle part of the screen (8), the upper end face of the middle part of the screen (8) is provided with a pressing ring (14), the pressing ring (14) is fixedly connected with the upper end face of the sliding pipe (15) through a bolt, and the round hole (13) is positioned in the inner ring of the, the bottom side wall of the sliding pipe (15) is provided with a first through hole (16), the side wall of the first sleeve (19) is provided with a second through hole (17), the first through hole (16) is located right above the second through hole (17), a reciprocating linear driving device (18) is further arranged inside the first sleeve (19), and the reciprocating linear driving device (18) can drive the sliding pipe (15) to rapidly and repeatedly slide downwards for a certain distance and then return to the initial position.

2. The self-cleaning screen cloth according to claim 1, wherein a linear driving assembly is arranged on both long sides of the bottom of the frame body (10), a nozzle (2) which is perpendicular to the long sides of the frame body (10) and extends towards the middle of the frame body (10) is arranged at the output end of the linear driving assembly, the nozzle (2) is long, the linear driving assembly can drive the nozzle (2) to move linearly along the long side direction of the frame body (10), the output end of the nozzle (2) faces the screen cloth (8), an air inlet pipe (3) communicated with the nozzle (2) is arranged at the bottom of the nozzle (2), and a gap for avoiding a first sleeve (19) is reserved between the two nozzles (2).

3. The self-cleaning screen cloth according to claim 2, wherein the linear driving assembly comprises a rectangular box (6) fixed on the long edge of the bottom of the frame body (10), the rectangular box (6) is long and parallel to the length direction of the frame body (10), two supporting seats (7) are arranged at two inner ends of the rectangular box (6), a reciprocating screw rod (5) is arranged at the inner bearing ring of the two supporting seats (7), a motor (1) is arranged at one end of the rectangular box (6), the output shaft of the motor (1) is connected with the reciprocating screw rod (5), a slide seat (4) in threaded connection is arranged on the reciprocating screw rod (5), the side wall of the slide seat (4) is attached to the inner side wall of the rectangular box (6), and the nozzle (2) is fixed on the lower end face of the slide seat (4).

4. The self-cleaning screen cloth as claimed in claim 1, wherein a second sleeve (9) is arranged outside the lower end of the first sleeve (19), an ash discharge pipe (12) is connected to the bottom of the second sleeve (9), and the second through hole (17) is positioned inside the second sleeve (9).

5. The self-cleaning screen panel as claimed in claim 1, wherein the reciprocating linear drive means (18) is an electromagnetic ram, the ram of which is fixedly connected to the bottom of the slide tube (15), and the ram of which is in an extended state when the screen panel (8) is in a horizontally tensioned state.

Technical Field

The invention relates to the field of screens, in particular to a self-cleaning screen.

Background

Use the screen cloth in the air purification field, increase along with the live time, the screen cloth surface adheres to there is a large amount of dusts, makes the mesh of screen cloth block up to reduce the throughput capacity of screen cloth, need the manual work to go to clear up the screen cloth, make the screen cloth resume throughput capacity, just can purify the air again, but the screen cloth sets up inside the pipeline usually, and inconvenient dismantlement is washd.

Disclosure of Invention

In view of the above, the present invention is directed to a self-cleaning screen, which solves all or one of the above-mentioned drawbacks of the prior art.

The invention provides a self-cleaning screen cloth based on the above purpose, which comprises a rectangular frame body, wherein a horizontally tensioned screen cloth is arranged on an inner ring of the frame body, a round hole is formed in the center of the screen cloth, a fixing frame is arranged at the lower end of the frame body, a first sleeve is arranged in the middle of the fixing frame and is positioned right below the round hole, a sliding pipe in sliding connection is arranged inside the first sleeve, the sliding pipe is a hollow uncovered pipe body, the upper end of the sliding pipe abuts against the lower end face of the middle of the screen cloth, a pressing ring is arranged on the upper end face of the middle of the screen cloth and is fixedly connected with the upper end face of the sliding pipe through a bolt, the round hole is positioned on the inner ring of the sliding pipe, a first through hole is formed in the side wall of the bottom of the sliding pipe, a second through hole is formed in the side wall of the first sleeve, the first through hole is positioned, the reciprocating linear driving device can drive the sliding pipe to rapidly and repeatedly slide downwards for a certain distance and then return to the initial position.

Optionally, all be equipped with sharp drive assembly on framework bottom both long edges, sharp drive assembly's output is equipped with the shower nozzle that the long edge of perpendicular to framework just extends to the framework middle part, the shower nozzle is rectangular form, sharp drive assembly can drive the shower nozzle along the long edge direction rectilinear movement of framework, the output of shower nozzle is towards the screen cloth, the bottom of shower nozzle is equipped with the intake pipe rather than the intercommunication, two leave the clearance that is used for dodging sleeve one between the shower nozzle.

Optionally, the linear driving assembly is including fixing the rectangular box on the long limit in framework bottom, the rectangular box is rectangular form and is on a parallel with the length direction of framework, the inside both ends of rectangular box are equipped with the supporting seat, two the bearing inner circle of supporting seat is equipped with reciprocal lead screw, the one end of rectangular box is equipped with the motor, the output shaft and the reciprocal lead screw of motor are connected, be equipped with threaded connection's slide on the reciprocal lead screw, the lateral wall of slide and the laminating of the inside wall of rectangular box, the lower terminal surface at the slide is fixed to the shower nozzle.

Optionally, a second sleeve is arranged outside the lower end of the first sleeve, the bottom of the second sleeve is connected with an ash discharge pipe, and the second through hole is located inside the second sleeve.

Optionally, the reciprocating linear driving device is an electromagnetic push rod, the push rod of the electromagnetic push rod is fixedly connected with the bottom of the sliding pipe, and when the screen is in a horizontal tensioning state, the push rod of the electromagnetic push rod is in an extending state.

From the above, the self-cleaning screen disclosed by the invention has the advantages that the screen is continuously pulled downwards and shaken through the sliding pipe, so that the dust attached to the surface of the screen is gradually shaken down to the round hole in the center of the screen and discharged, and the discharged dust is discharged from the through hole II, so that the trouble of manual disassembly and cleaning is saved, and the screen can keep high permeability for a long time.

Drawings

FIG. 1 is a schematic top view of a screen panel of the present invention;

FIG. 2 is a schematic bottom view of the screen of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A of the screen of FIG. 2;

FIG. 4 is an enlarged view of the point B in FIG. 3;

figure 5 is a schematic drawing of the slide pulling down on the screen.

The device comprises a motor 1, a spray head 2, an air inlet pipe 3, a sliding seat 4, a reciprocating screw rod 5, a rectangular box 6, a supporting seat 7, a screen 8, a sleeve II 9, a frame 10, a fixing frame 11, an ash discharge pipe 12, a circular hole 13, a compression ring 14, a sliding pipe 15, a through hole I16, a through hole II 17, a reciprocating linear driving device 18 and a sleeve I19.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.

It should be noted that all expressions of "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name or different parameters, and it is understood that "first" and "second" are merely for convenience of description and should not be construed as limiting the embodiments of the present invention, and that the directions and positions of the terms, such as "up", "middle", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., in the present invention are only referred to the directions and positions of the attached drawings, and therefore, the directions and positions of the terms are used for illustrating and understanding the present invention, and are not used for limiting the subsequent embodiments of the present invention.

The self-cleaning screen comprises a rectangular frame body 10, wherein a horizontally tensioned screen 8 is arranged on an inner ring of the frame body 10, a round hole 13 is formed in the center of the screen 8, a fixing frame 11 is arranged at the lower end of the frame body 10, a first sleeve 19 is arranged in the middle of the fixing frame 11, the first sleeve 19 is positioned under the round hole 13, a sliding pipe 15 in sliding connection is arranged inside the first sleeve 19, the sliding pipe 15 is a hollow uncovered pipe body, the upper end of the sliding pipe 15 is abutted against the lower end face of the middle of the screen 8, a pressing ring 14 is arranged on the upper end face of the middle of the screen 8, the pressing ring 14 is fixedly connected with the upper end face of the sliding pipe 15 through bolts, the round hole 13 is positioned on the inner ring 15, a first through hole 16 is arranged on the side wall of the bottom of the sliding pipe 15, a second through hole 17 is arranged on the side wall of the first sleeve 19, and the first through hole 16 is positioned right, the inside of the first sleeve 19 is also provided with a reciprocating linear driving device 18, and the reciprocating linear driving device 18 can drive the slide pipe 15 to rapidly and repeatedly slide downwards for a certain distance and then return to the initial position.

Referring to fig. 1-5, as an embodiment, the self-cleaning screen of the present invention includes a rectangular frame 10, a horizontally tensioned screen 8 is disposed on an inner ring of the frame 10, a circular hole 13 is formed in a center of the screen 8, a fixing frame 11 is disposed at a lower end of the frame 10, a first sleeve 19 is fixed in a middle portion of the fixing frame 11, the first sleeve 19 is disposed right below the circular hole 13, a sliding pipe 15 slidably connected to the first sleeve 19 is disposed inside the first sleeve 19, the sliding pipe 15 is a hollow uncovered pipe structure, a lower end of the screen 8 is pressed against an upper end surface of the sliding pipe 15, a pressing ring 14 is disposed on an upper end surface of a middle portion of the screen 8, the pressing ring 14 is fixedly connected to an upper end surface of the sliding pipe 15 by a bolt, the circular hole 13 in the center of the screen 8 is disposed on the inner ring of the sliding pipe 15, the screen 8 is pressed against the upper end of the sliding pipe 15 by the pressing ring 14, in a natural state, the first through hole 16 is positioned right above the second through hole 17, the first sleeve 19 is further internally provided with a reciprocating linear driving device 18, the reciprocating linear driving device 18 can drive the sliding pipe 15 to rapidly and repeatedly slide downwards for a certain distance and then return to an initial position, when the screen 8 works, air circulates from the upper side to the lower side of the screen 8, dust particles in the air are blocked at the upper end of the screen 8, when the upper end of the screen 8 has more dust, the sliding pipe 15 can be driven to rapidly and repeatedly slide downwards for a certain distance and then return to the initial position through the reciprocating linear driving device 18, as shown in fig. 4, in the initial state, the screen 8 is in a horizontal tensioning state, the first through hole 16 is positioned above the second through hole 17, when the sliding pipe 15 is downwards, as shown in fig. 5, the middle part of the screen 8 is pulled downwards by the sliding pipe 15 to form a concave surface, and the first through hole 16 is coincided with the second through hole 17, when the slide pipe 15 slides up and down fast, the screen 8 is driven to shake up and down, dust at the upper end of the screen 8 is made to shake off continuously, meanwhile, when the slide pipe 15 pulls the screen 8 downwards, a shape sunken towards the middle is formed, the continuously-shaken dust is made to approach to the center of the screen 8 along the sunken surface, a round hole 13 is formed in the center of the screen 8, the dust is made to fall into the slide pipe 15 through the round hole 13, when a first through hole 16 is overlapped with a second through hole 17, the dust is discharged from the second through hole 17 on the side wall of the first sleeve 19, and when the screen 8 is in filtering operation, the first through hole 16 is not overlapped with the second through hole 17, so that the dust can not slide pipe 15 to.

In summary, the self-cleaning screen of the present invention continuously pulls and shakes the screen 8 downwards through the sliding pipe 15, so that the dust attached to the surface of the screen 8 gradually shakes down to the circular hole 13 at the center of the screen 8 and is discharged, and the discharged dust is discharged from the second through hole 17, thereby eliminating the trouble of manual disassembly and cleaning, and enabling the screen 8 to maintain a high permeability for a long time.

In some optional embodiments, as shown in fig. 2 and 3, linear driving assemblies are arranged on both long sides of the bottom of the frame 10, a nozzle 2 perpendicular to the long side of the frame 10 and extending to the middle of the frame 10 is arranged at an output end of the linear driving assemblies, the nozzle 2 is long, the linear driving assemblies can drive the nozzle 2 to linearly move along the long side direction of the frame 10, the output end of the nozzle 2 faces the screen 8, an air inlet pipe 3 communicated with the nozzle 2 is arranged at the bottom of the nozzle 2, a gap for avoiding a sleeve i 19 is left between the two nozzles 2, the nozzle 2 is arranged at the bottom of the frame 10, namely below the screen 8, when dust on the surface of the screen 8 is cleaned, the nozzle 2 is driven to move along the long side direction of the frame 10 by the linear driving assemblies, the air inlet pipe 3 is communicated with the lower end of the nozzle 2, and the air inlet pipe, the output of shower nozzle 2 is towards the screen cloth 8 of its top, and screen cloth 8 is when filtering, and the dust is long-pending to be stayed in the up end of screen cloth 8, has some dust particle card in the mesh of screen cloth 8, when shower nozzle 2 removed, blows out high velocity air from screen cloth 8 below to its top, upwards blows the dust particle that the screen cloth 8 up end was long-pending to be stayed, avoids its card in the mesh of screen cloth 8, when making slide pipe 15 pull the shake screen cloth 8, the dust of its up end can fully discharge.

In some optional embodiments, as shown in fig. 2 and 3, the linear driving assembly includes a rectangular box 6 fixed on the long side of the bottom of the frame 10, the rectangular box 6 is long and parallel to the length direction of the frame 10, two ends of the inside of the rectangular box 6 are provided with supporting seats 7, the bearing inner rings of the two supporting seats 7 are provided with reciprocating lead screws 5, one end of the rectangular box 6 is provided with a motor 1, the output shaft of the motor 1 is connected with the reciprocating lead screws 5, the reciprocating lead screws 5 are provided with sliders 4 in threaded connection, the side walls of the sliders 4 are attached to the inner side walls of the rectangular box 6, the nozzle 2 is fixed on the lower end face of the sliders 4, the motor 1 drives the reciprocating lead screws 5 to rotate, the reciprocating lead screws 5 drive the sliders 4 to make reciprocating linear movement along the length direction thereof, so as to drive the nozzle 2 to make reciprocating, high-speed air flows are sufficiently blown to each part of the screen 8.

In some optional embodiments, a second sleeve 9 is arranged outside the lower end of the first sleeve 19, the bottom of the second sleeve 9 is connected with a dust exhaust pipe 12, the second through hole 17 is located inside the second sleeve 9, dust is exhausted from the second through hole 17 into the second sleeve 9 and then is exhausted from the dust exhaust pipe 12, and therefore the exhausted dust is conveniently centralized.

In some alternative embodiments, the reciprocating linear driving device 18 is an electromagnetic push rod, a push rod of the electromagnetic push rod is fixedly connected with the bottom of the slide pipe 15, when the screen 8 is in the horizontal tensioning state, the push rod of the electromagnetic push rod is in the extending state, and the slide pipe 15 is pushed by the electromagnetic push rod to do reciprocating movement with high frequency.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

In addition, well known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown within the provided figures for simplicity of illustration and discussion, and so as not to obscure the invention. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the invention, it should be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.

While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic ram (dram)) may use the discussed embodiments.

The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.