CN213159896U

CN213159896U - Assembled multilayer filter screen

Info

Publication number: CN213159896U
Application number: CN202021318925.8U
Authority: CN
Inventors: 周东东
Original assignee: Guangzhou Xinhongyuan Air Purification Products Co ltd
Current assignee: Guangzhou Xinhongyuan Air Purification Products Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-05-11
Anticipated expiration: 2030-07-07

Abstract

The utility model provides an assembled multilayer filter screen relates to filter screen technical field, including frame, filter screen and positioner, inside the filter screen was located the frame, a plurality of equidistant bleeder vents that set up were seted up at the back of frame, and the inner wall of frame is provided with positioner, and positioner includes the mounting bracket, and the mounting bracket inserts in the frame and offsets rather than the inner wall, the first positioning spring that two symmetries of inner wall fixedly connected with of frame set up, the one end fixedly connected with ejector pad of first positioning spring. The locating rack inserts in the mounting bracket and offsets with the filter screen, and the random atress deformation of second positioning spring produces elasticity, and second positioning spring passes through locating rack promotion mounting bracket and filter screen, and the multilayer filter screen keeps closely under the extrusion of mounting bracket and locating rack, avoids present most multilayer filter screen equipment can't guarantee in the use that the multilayer filter screen is closely laminated, easily produces the gap, influences the filter effect of equipment.

Description

Assembled multilayer filter screen

Technical Field

The utility model relates to a filter screen technical field especially relates to an assembled multilayer filter screen.

Background

The range of filters is relatively wide, and the filter is generally referred to as air filtration. The filter screen is according to the difference of material, and the filter material divide into four types: synthetic fiber filter screen, non-woven fabrics filter screen, glass fiber filter screen, active carbon filter screen, the filter screen also can divide into according to filterable efficiency difference: primary filter screen, medium filter screen.

As is well known, contain a large amount of dust particles in the air, because the weight of these dust particles is very light, so when mobile air acts on these dust particles, dust particles can fly away everywhere, need the filter screen to filter the air to ensure that our is healthy to this, but the inseparable laminating between the multilayer filter screen can't be guaranteed to present most multilayer filter screen equipment in the use, easily produces the gap, influences the filter effect of equipment, is unfavorable for the popularization and use of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an assembled multilayer filter screen.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an assembled multilayer filter screen comprises a rack, a filter screen and a positioning device, wherein the filter screen is positioned inside the rack, a plurality of air holes which are arranged at equal intervals are formed in the back surface of the rack, the positioning device is arranged on the inner wall of the rack and comprises a mounting frame, the mounting frame is inserted into the rack and is abutted against the inner wall of the rack, two first positioning springs which are symmetrically arranged are fixedly connected to the inner wall of the rack, one end of each first positioning spring is fixedly connected with a push block, the back surface of the mounting frame is fixedly connected with a positioning block, the positioning block is inserted into the push block and is abutted against the inner wall of the push block, the filter screen is inserted into the mounting frame and is abutted against the inner wall of the mounting frame, an air inlet stop block is inserted into the inner wall of the rack, two second positioning springs which are symmetrically arranged are fixedly connected to the back surface of the, the locating rack is inserted into the mounting rack and abuts against the inner wall of the mounting rack, and the back of the locating rack abuts against the front of the filter screen.

Preferably, the positioning block abuts against the surface of the pushing block, the front surface of the pushing block is provided with a positioning hole, the positioning block is inserted into the positioning hole, and the surface of the positioning block abuts against the inner wall of the positioning hole.

Preferably, the front of the frame is provided with two symmetrically arranged stabilizing devices, and one end of each stabilizing device is abutted against the front of the corresponding air inlet stop block.

Preferably, the stabilizing device comprises an installation block, the installation block is fixedly connected with one side of the rack, the front side of the installation block is rotatably connected with a stabilizing rod through a rotating rod, the stabilizing rod is positioned right ahead of the air inlet stop block, and the back side of the stabilizing rod is abutted to the air inlet stop block.

Preferably, the front of stabilizer bar is rotated through the pivot and is connected with the control lever, the control lever is located the dead ahead of air inlet dog, the control lever is cylindricly, the surface of control lever adopts abrasive paper to polish and handles.

Preferably, the front surface of the frame is fixedly connected with a limiting block, the limiting block is positioned under the stabilizer bar, and the lower surface of the limiting block is abutted to the upper surface of the stabilizer bar.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, by arranging the positioning device, when in use, the multi-layer filter screens are sequentially placed into the mounting rack, the mounting rack is inserted into the frame, when the positioning block is inserted into the push block, the first positioning spring is stressed and deformed to generate elastic force, the first positioning spring releases the elastic force to push the mounting frame through the push block and the positioning block, the positioning frame and the air inlet stop block are inserted into the rack, the locating rack inserts in the mounting bracket and offsets with the filter screen, the random atress deformation of second positioning spring produces elasticity, second positioning spring passes through locating rack promotion mounting bracket and filter screen, the multilayer filter screen keeps closely under the extrusion of mounting bracket and locating rack, avoid having present most multilayer filter screen equipment can't guarantee in the use that the multilayer filter screen is closely laminated, easily produce the gap, influence the filter effect of equipment, be unfavorable for the popular use of equipment, the device's application effectively avoids above-mentioned problem and ensures the stable use of equipment.

2. The utility model discloses in, through setting up stabilising arrangement, before the use, with filter screen and equipment fixing after good, hold the control lever and rotate and drive the stabilizer bar and rotate, when the stabilizer bar offsets with the stopper, the stabilizer bar supports the air inlet dog tightly, when the air inlet dog receives the foreign object striking, insert in the frame the air inlet dog atress, air inlet dog extrusion second positioning spring, second positioning spring atress deformation produces elasticity, remove the back at the external force, second positioning spring promotes the air inlet dog and supports tight stabilizing block, avoid traditional equipment shell to adopt bolt fixed connection, easily receive very big impact force to appear the condition of damaging when equipment receives the external force striking, the device cooperation positioner effectively with the power buffering that receives ensures the stable use of equipment, and be convenient for open the air inlet dog and ensure the subsequent stable maintenance of equipment.

Drawings

Fig. 1 is a schematic structural view of an assembled multi-layer filter screen according to the present invention;

fig. 2 is a rear view of fig. 1 of an assembled multi-layer filter screen according to the present invention;

FIG. 3 is a schematic structural view of a positioning device in an assembled multi-layer filter screen according to the present invention;

fig. 4 is a rear view of fig. 3 of an assembled multi-layer filter screen according to the present invention;

fig. 5 is a schematic structural view of a stabilizing device in an assembled multi-layer filter screen.

Illustration of the drawings: 1. a frame; 2. a stabilizing device; 21. mounting blocks; 22. a control lever; 23. a stabilizer bar; 3. a positioning device; 31. an air inlet stop block; 32. a positioning frame; 33. a second positioning spring; 34. a mounting frame; 35. a push block; 36. positioning blocks; 37. a first positioning spring; 4. air holes are formed; 5. a filter screen; 6. and a limiting block.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-5, the utility model provides an assembled multilayer filter screen, including frame 1, filter screen 5 and positioner 3, inside filter screen 5 was located frame 1, a plurality of equidistant bleeder vents 4 that set up were seted up at the back of frame 1, and the inner wall of frame 1 is provided with positioner 3.

The specific arrangement and function of the positioning means 3 and the stabilizing means 2 will be described in detail below.

As shown in fig. 1 and 5, the positioning device 3 includes an installation frame 34, the installation frame 34 is inserted into the rack 1 and abuts against the inner wall thereof, the inner wall of the rack 1 is fixedly connected with two first positioning springs 37 symmetrically arranged, one end of each first positioning spring 37 is fixedly connected with a push block 35, the back of the installation frame 34 is fixedly connected with a positioning block 36, the positioning block 36 is inserted into the push block 35 and abuts against the inner wall thereof, the filter screen 5 is inserted into the installation frame 34 and abuts against the inner wall thereof, the inner wall of the rack 1 is inserted with an air inlet stopper 31, the back of the air inlet stopper 31 is fixedly connected with two second positioning springs 33 symmetrically arranged, one end of each second positioning spring 33 is fixedly connected with a positioning frame 32, the positioning frame 32 is inserted into the installation frame 34 and abuts against the inner wall thereof, and the back of the positioning frame 32 abuts against the front.

The whole positioning device 3 has the effects that through the arrangement of the positioning device 3, when the device is used, the multiple layers of filter screens 5 are sequentially placed into the mounting frame 34, the mounting frame 34 is inserted into the rack 1, when the positioning block 36 is inserted into the push block 35, the first positioning spring 37 is stressed and deformed to generate elastic force, the first positioning spring 37 releases the elastic force to push the mounting frame 34 through the push block 35 and the positioning block 36, the positioning frame 32 and the air inlet stop block 31 are inserted into the rack 1, the positioning frame 32 is inserted into the mounting frame 34 and abuts against the filter screens 5, the second positioning spring 33 is stressed and deformed randomly to generate elastic force, the second positioning spring 33 pushes the mounting frame 34 and the filter screens 5 through the positioning frame 32, the multiple layers of filter screens 5 are kept tight under the extrusion of the mounting frame 34 and the positioning frame 32, and the phenomenon that the existing majority of equipment with the multiple layers of filter, the easy gap that produces influences the filter effect of equipment, is unfavorable for the popularization and use of equipment, and above-mentioned problem is effectively avoided and the stable use of equipment is ensured in the application of the device.

As shown in fig. 1 and 5, the positioning block 36 abuts against the surface of the pushing block 35, the front surface of the pushing block 35 is provided with a positioning hole, the positioning block 36 is inserted into the positioning hole, the surface of the positioning block 36 abuts against the inner wall of the positioning hole, the front surface of the rack 1 is provided with two symmetrically arranged stabilizing devices 2, one end of each stabilizing device 2 abuts against the front surface of the air intake block 31, each stabilizing device 2 comprises an installation block 21, the installation block 21 is fixedly connected with one side of the rack 1, the front surface of the installation block 21 is rotatably connected with a stabilizing rod 23 through a rotating rod, the stabilizing rod 23 is positioned right in front of the air intake block 31, the back surface of the stabilizing rod 23 abuts against the air intake block 31, the front surface of the stabilizing rod 23 is rotatably connected with a control rod 22 through a rotating shaft, the control rod 22 is positioned right in front of the air intake block 31, the control rod 22 is, the limiting block 6 is located under the stabilizing rod 23, and the lower surface of the limiting block 6 is abutted to the upper surface of the stabilizing rod 23.

The whole stabilizing device 2 achieves the effect that by arranging the stabilizing device 2, before use, after the filter screen 5 and the equipment are installed, the control rod 22 is held and the stabilizing rod 23 is driven to rotate, when the stabilizing bar 23 abuts against the limiting block 6, the stabilizing bar 23 abuts against the air inlet stop block 31, when the air inlet stop block 31 is impacted by an external object, the air inlet stop block 31 is inserted into the frame 1 under the stress, the air inlet stop block 31 extrudes the second positioning spring 33, the second positioning spring 33 is deformed under the stress to generate elasticity, after the external force is removed, the second positioning spring 33 pushes the air inlet stop block 31 to abut against the stabilizing block, so that the situation that the traditional equipment shell is fixedly connected by bolts and is easily damaged by a large impact force when the equipment is impacted by the external force is avoided, the device cooperates with the positioning device 3 to effectively buffer the received force to ensure the stable use of the equipment, and is convenient for opening the air inlet check block 31 to ensure the subsequent stable maintenance of the equipment.

The integral working principle is that when the device is used, the multiple layers of filter screens 5 are sequentially placed into the mounting frame 34, the mounting frame 34 is inserted into the rack 1, when the positioning block 36 is inserted into the push block 35, the first positioning spring 37 is stressed and deformed to generate elastic force, the first positioning spring 37 releases the elastic force to push the mounting frame 34 through the push block 35 and the positioning block 36, the positioning frame 32 and the air inlet check block 31 are inserted into the rack 1, the positioning frame 32 is inserted into the mounting frame 34 and abuts against the filter screens 5, the second positioning spring 33 is randomly stressed and deformed to generate elastic force, the second positioning spring 33 pushes the mounting frame 34 and the filter screens 5 through the positioning frame 32, the multiple layers of filter screens 5 are tightly kept under the extrusion of the mounting frame 34 and the positioning frame 32, the phenomenon that the tight fit among the multiple layers of filter screens 5 cannot be guaranteed in the use process of most of the existing devices with, which is disadvantageous for the widespread use of the apparatus, the use of which effectively avoids the above-mentioned problems and ensures a stable use of the apparatus, before use, after the filter screen 5 and the equipment are installed, the control rod 22 is held and the stabilizing rod 23 is driven to rotate, when the stabilizing bar 23 abuts against the limiting block 6, the stabilizing bar 23 abuts against the air inlet stop block 31, when the air inlet stop block 31 is impacted by an external object, the air inlet stop block 31 is inserted into the frame 1 under the stress, the air inlet stop block 31 extrudes the second positioning spring 33, the second positioning spring 33 is deformed under the stress to generate elasticity, after the external force is removed, the second positioning spring 33 pushes the air inlet stop block 31 to abut against the stabilizing block, so that the situation that the traditional equipment shell is fixedly connected by bolts and is easily damaged by a large impact force when the equipment is impacted by the external force is avoided, the device cooperates with the positioning device 3 to effectively buffer the received force to ensure the stable use of the equipment, and is convenient for opening the air inlet check block 31 to ensure the subsequent stable maintenance of the equipment.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides an assembled multilayer filter screen, includes frame (1), filter screen (5) and positioner (3), its characterized in that: the filter screen (5) is positioned inside the rack (1), a plurality of air holes (4) which are arranged at equal intervals are formed in the back of the rack (1), the inner wall of the rack (1) is provided with a positioning device (3), the positioning device (3) comprises a mounting rack (34), the mounting rack (34) is inserted into the rack (1) and is abutted against the inner wall of the rack, the inner wall of the rack (1) is fixedly connected with two first positioning springs (37) which are symmetrically arranged, one end of each first positioning spring (37) is fixedly connected with a push block (35), the back of the mounting rack (34) is fixedly connected with a positioning block (36), the positioning block (36) is inserted into the push block (35) and is abutted against the inner wall of the push block, the filter screen (5) is inserted into the mounting rack (34) and is abutted against the inner wall of the push block, and the inner wall of the rack (1) is, the air inlet baffle block (31) is characterized in that the back of the air inlet baffle block is fixedly connected with two second positioning springs (33) which are symmetrically arranged, one end of each second positioning spring (33) is fixedly connected with a positioning frame (32), each positioning frame (32) is inserted into the corresponding mounting frame (34) and abuts against the inner wall of the corresponding mounting frame, and the back of each positioning frame (32) abuts against the front face of the corresponding filter screen (5).

2. The assembled multi-layer filter screen of claim 1, wherein: the positioning block (36) abuts against the surface of the pushing block (35), the front face of the pushing block (35) is provided with a positioning hole, the positioning block (36) is inserted into the positioning hole, and the surface of the positioning block (36) abuts against the inner wall of the positioning hole.

3. The assembled multi-layer filter screen of claim 1, wherein: the front of the frame (1) is provided with two symmetrical stabilizing devices (2), and one end of each stabilizing device (2) is abutted to the front of the corresponding air inlet stop block (31).

4. The assembled multi-layer filter screen of claim 3, wherein: the stabilizing device (2) comprises an installation block (21), the installation block (21) is fixedly connected with one side of the rack (1), the front side of the installation block (21) is connected with a stabilizing rod (23) through a rotating rod in a rotating mode, the stabilizing rod (23) is located right in front of the air inlet stop block (31), and the back side of the stabilizing rod (23) is abutted to the air inlet stop block (31).

5. The assembled multi-layer filter screen of claim 4, wherein: the front of stabilizer bar (23) is rotated through the pivot and is connected with control lever (22), control lever (22) are located the dead ahead of air inlet dog (31), control lever (22) are cylindricly, the surface of control lever (22) adopts abrasive paper to polish and handles.

6. The assembled multi-layer filter screen of claim 1, wherein: the front face of the rack (1) is fixedly connected with a limiting block (6), the limiting block (6) is located under the stabilizer bar (23), and the lower surface of the limiting block (6) is abutted to the upper surface of the stabilizer bar (23).