Air filter with filter screen convenient to replace

Abstract

The utility model discloses an air filter with a filter screen convenient to replace, and relates to the technical field of air filters. A plurality of filter screen bodies are arrayed in the cylinder body in the length direction, an access hole is formed in one side of the cylinder body, an access door is rotationally matched in the access hole, guide channels corresponding to the filter screen bodies are formed in one side of the cylinder body, and guide limiting strips located on the lower portions of the guide channels are arranged on the upper sides of the filter screen bodies. And a pull plate corresponding to the guide limiting strip is horizontally, elastically and slidably matched in the guide channel. The guide limiting strips on the filter screen bodies are arranged in the guide channels, so that the filter screen bodies are conveniently limited to be incapable of sliding in the length direction of the barrel body, a connecting mechanism does not need to be additionally arranged between every two adjacent filter screen bodies, and the situation that when the filter screen bodies are replaced, the connecting mechanisms of every two adjacent filter screen bodies need to be removed firstly, and the replacement time is shortened is avoided. The filter screen body can be replaced only when the filter screen body is replaced, so that the filter screen body replacement efficiency is low.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of air filter, concretely relates to an air filter convenient to replace filter screen. BACKGROUND

[0002] Air filter is the equipment that captures dust from gas-solid two-phase flow through the action of porous filter material, and makes gas purified, it sends the air purified treatment containing low dust into the room to ensure the process requirement of clean room and the air cleanliness in general air conditioning room.

[0003] The Chinese patent with the publication number CN222111246U discloses an air filter convenient to replace filter screen, when the user disassembles and replaces the filter screen main body, the user inserts the inner hexagonal wrench into the fixed bolt, rotates the fixed bolt, makes the fixed bolt drive the moving disc to move, makes the moving disc drive the baffle to move, makes the baffle separate from the mounting plate, then the user disassembles the mounting plate, disassembles the mounting plate and the mounting pad, then the user inserts the inner hexagonal wrench into the connecting bolt, installs the connecting bolt, drives the threaded rod to rotate, makes the threaded rod drive the moving block to move through the screw sleeve, makes the moving block separate from the plug-in slot, can make the spring extrude the fixed plate, makes the fixed plate drive the plug-in block to move, is convenient for separating the plug-in block and the plug-in slot, then the user inserts the inner hexagonal wrench into the mounting bolt, makes the mounting bolt separate from the filter screen main body and the connecting plate when rotating, thereby the user can disassemble the connecting plate, the user can disassemble and replace the filter screen main body conveniently.

[0004] However, the air filter convenient to replace filter screen needs to separate the adjacent two filter screen main bodies first to take out the filter screen main body when disassembling the filter screen main body, and the replacement efficiency of the filter screen main body is slow.

[0005] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0006] The utility model solves the technical problem of overcoming the prior art, and provides an air filter convenient to replace filter screen.

[0007] To solve the above technical problems, the basic idea of the technical scheme of the utility model is:

[0008] The utility model provides an air filter convenient for replacing filter screen, which comprises a cylinder body, a plurality of filter screen bodies are arranged in the length direction in the cylinder body, a maintenance opening is arranged on one side of the cylinder body, a maintenance door is rotatably arranged in the maintenance opening, a guide groove corresponding to the filter screen body is arranged on one side of the cylinder body, a guide limiting strip is arranged on the upper side of the filter screen body and located at the lower part of the guide groove, a pull plate corresponding to the guide limiting strip is horizontally and elastically slidably arranged in the guide groove, a limiting groove is arranged on the upper side of the pull plate, a limiting pin corresponding to the limiting groove is vertically and elastically slidably arranged in the cylinder body, and a push plate corresponding to the plurality of limiting pins is slidably arranged on one side of the cylinder body.

[0009] Optionally, the guide groove is a cross-shaped groove structure, and the pull plate is a cross-shaped plate structure.

[0010] Optionally, a stopper is arranged on one side of the guide groove, the bottom surface of the stopper has the same height as the upper surface of the guide limiting strip, and a spring damping rod is arranged between the stopper and the pull plate.

[0011] Optionally, a first groove corresponding to the limiting pin is arranged on one side of the cylinder body, a second groove is arranged on the inner wall bottom surface of the first groove, the limiting pin is slidably arranged in the first groove and the second groove, the limiting pin is an L-shaped plate structure, a guide inclined surface is arranged on the end of the limiting pin close to the limiting groove, and a spring is arranged between the upper side of the limiting pin and the top surface of the inner wall of the first groove.

[0012] Optionally, two T-shaped grooves are arranged on one side of the cylinder body, two T-shaped protrusions are arranged on one side of the push plate, and the two T-shaped protrusions are slidably arranged in the two T-shaped grooves respectively.

[0013] Optionally, a plug is arranged on the upper side of the T-shaped groove, the upper side of the push plate is attached to the bottom surface of the limiting pin, a connecting plate is arranged on one side of the maintenance door, and a plum-blossom handle screw threadedly connected with the cylinder is threadedly arranged on one side of the connecting plate.

[0014] After the above technical scheme is adopted, the utility model has the following beneficial effects compared with the prior art, of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below:

[0015] When it is necessary to replace part of the filter screen bodies, the limiting pin corresponding to the filter screen body to be replaced is pushed, the limiting of the pull plate is released, the pull plate is elastically slid, the guide limiting strip is then pushed, and one end of the filter screen body is then slid out of the inspection opening, so that the filter screen body to be replaced can be quickly taken out; when it is necessary to replace all the filter screen bodies, all the limiting pins are simultaneously slid by the push plate, and one end of all the filter screen bodies is then slid out of the inspection opening, so that the filter screen body to be replaced can be quickly taken out, and then the new filter screen body is inserted into the cylinder, so that the filter screen body can be quickly replaced; the guide limiting strip on the filter screen body is arranged in the guide groove, so that the filter screen body cannot slide along the length direction of the cylinder, and then a connecting mechanism between adjacent two filter screen bodies is not needed, and the problem that the filter screen body cannot be replaced until the connecting mechanism between adjacent two filter screen bodies is released is avoided, and the replacement efficiency of the filter screen body is improved.

[0016] The specific embodiments of the utility model will be described in further detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor according to the drawings. In the drawings:

[0018] Figure 1 It is a three-dimensional structure schematic view of an embodiment of the utility model;

[0019] Figure 2 It is a sectional structure schematic view of an embodiment of the utility model;

[0020] Figure 3 It is a limiting pin sectional structure schematic view of an embodiment of the utility model;

[0021] Figure 4 It is a push plate structure schematic view of an embodiment of the utility model;

[0022] Figure 5 It is a filter screen body structure schematic view in the cylinder of an embodiment of the utility model;

[0023] In the drawings, the component list represented by each sign is as follows:

[0024] Cylinder 1, filter screen body 2, inspection opening 3, inspection door 4, guide groove 5, guide limiting strip 6, pull plate 7, limiting groove 8, limiting pin 9, push plate 10, T-shaped groove 11, stop block 12, spring damping rod 13, first groove 14, second groove 15, spring 16, T-shaped protrusion 17, plug 18, connecting plate 19, plum-blossom handle screw 20.

[0025] It should be noted that the drawings and the written description are not intended to limit the scope of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0026] The present application will now be further described in detail with reference to the drawings.

[0027] Please refer to Figures 1-5 As shown in the figure, in the present embodiment, an air filter with filter screen convenient to replace is provided, which comprises a cylinder body 1, a plurality of filter screen bodies 2 are arranged along the length direction in the cylinder body 1, a maintenance opening 3 is arranged on one side of the cylinder body 1, a maintenance door 4 is rotationally fitted in the maintenance opening 3, a guide groove 5 corresponding to the filter screen body 2 is arranged on one side of the cylinder body 1, a guide limiting strip 6 is arranged on the upper side of the filter screen body 2 and located at the lower part of the guide groove 5, a pull plate 7 corresponding to the guide limiting strip 6 is horizontally and elastically slidably fitted in the guide groove 5, a limiting groove 8 is arranged on the upper side of the pull plate 7, a limiting pin 9 corresponding to the limiting groove 8 is vertically and elastically slidably fitted in the cylinder body 1, and a push plate 10 corresponding to the plurality of limiting pins 9 is slidably fitted on one side of the cylinder body 1.

[0028] By rotating to open the maintenance door 4, when it is needed to replace part of the filter screen bodies 2, the limiting pin 9 corresponding to the filter screen body 2 to be replaced is pushed, the limiting of the corresponding pull plate 7 is released, the pull plate 7 is elastically slid, the guide limiting strip 6 is then pushed, and one end of the filter screen body 2 is then pushed to slide out of the maintenance opening 3, so that the filter screen body 2 to be replaced can be quickly taken out. When it is needed to replace all the filter screen bodies 2, all the limiting pins 9 are simultaneously slid by the push plate 10, one end of all the filter screen bodies 2 is then pushed to slide out of the maintenance opening 3, so that the filter screen bodies 2 to be replaced can be quickly taken out. Then, the new filter screen bodies 2 are inserted into the cylinder body 1, so that the filter screen bodies 2 can be quickly replaced. By arranging the guide limiting strip 6 on the filter screen body 2 in the guide groove 5, the filter screen body 2 cannot slide along the length direction of the cylinder body 1, so that a connecting mechanism between adjacent two filter screen bodies 2 is not needed, and the problem that the filter screen bodies 2 cannot be replaced until the connecting mechanism between adjacent two filter screen bodies 2 is released is avoided, so that the efficiency of replacing the filter screen bodies 2 is improved.

[0029] Please refer to Figures 1-3 As shown in the figure, the guide groove 5 of the present embodiment is a cross-shaped groove structure, and the pull plate 7 is a cross-shaped plate structure, so that the stability of the sliding of the pull plate 7 is improved.

[0030] Please refer to Figures 1-5As shown, a stop block 12 is provided on one side of the guide channel 5 in this embodiment. The bottom surface of the stop block 12 is at the same height as the upper side of the guide limit strip 6, so as to avoid the stop block 12 affecting the sliding of the guide limit strip 6. A spring damping rod 13 is provided between the stop block 12 and the pull plate 7, so that the pull plate 7 can slide slowly and elastically through the spring damping rod 13.

[0031] Please see Figures 1-3 As shown, in this embodiment, the cylinder 1 has a first channel 14 on one side corresponding to the limiting pin 9, and a second channel 15 on the bottom surface of the inner wall of the first channel 14. The limiting pin 9 is slidably engaged in the first channel 14 and the second channel 15. The limiting pin 9 has an L-shaped plate structure. The end of the limiting pin 9 near the limiting groove 8 has a guide slope. The upper side of the limiting pin 9 and the top surface of the inner wall of the first channel 14 are provided with a spring 16, which facilitates the elastic sliding of the limiting pin 9 in the first channel 14 and the second channel 15 by the spring 16.

[0032] Please see Figures 1-5 As shown, in this embodiment, the cylinder 1 has two T-shaped channels 11 on one side and the push plate 10 has two T-shaped protrusions 17 on one side. The two T-shaped protrusions 17 are slidably engaged in the two T-shaped channels 11, which facilitates the sliding of the T-shaped protrusions 17 through the T-shaped channels 11 and improves the sliding stability of the push plate 10.

[0033] Please see Figures 1-5 As shown, in this embodiment, the upper side of the T-shaped channel 11 is provided with a plug 18, the upper side of the push plate 10 is in contact with the bottom surface of the limit pin 9, the inspection door 4 is provided with a hinge between the inspection door 4 and the cylinder 1, the side of the inspection door 4 is provided with a connecting plate 19, and the side of the connecting plate 19 is threaded with a Torx handle screw 20 that is threaded with the cylinder 1, so that the inspection door 4 can be positioned by the Torx handle screw 20.

[0034] Working principle: when the filter screen body 2 needs to be replaced, the spanner handle screw 20 is rotated to release the limit of the access door 4, and the access door 4 is rotated to open; when part of the filter screen body 2 needs to be replaced, the corresponding limit pin 9 of the filter screen body 2 to be replaced is pushed to release the limit of the corresponding pull plate 7, so that the spring damping rod 13 is elastically and slowly pulled to pull the pull plate 7 and push the guide limiting strip 6, and then one end of the filter screen body 2 is pushed out of the access opening 3, so that the filter screen body 2 to be replaced can be quickly taken out; when all the filter screen bodies 2 need to be replaced, all the limit pins 9 are pushed and slid through the push plate 10, so that the spring damping rod 13 is elastically and slowly pulled to pull the pull plate 7 and push the guide limiting strip 6, and then one end of all the filter screen bodies 2 is pushed out of the access opening 3, so that the filter screen bodies 2 to be replaced can be quickly taken out; then the new filter screen body 2 is inserted into the cylinder 1, the guide limiting strip 6 on the filter screen body 2 is inserted into the guide groove 5, the pull plate 7 is slid by the guide limiting strip 6, the limit pin 9 is elastically clamped into the limiting groove 8, then the access door 4 is closed and positioned by the spanner handle screw 20, so that the filter screen body 2 can be quickly replaced; by arranging the guide limiting strip 6 on the filter screen body 2 in the guide groove 5, the filter screen body 2 cannot slide along the length direction of the cylinder 1, and then a connecting mechanism is not needed between adjacent two filter screen bodies 2, so that when the filter screen body 2 is replaced, the connecting mechanism between adjacent two filter screen bodies 2 does not need to be released first, and then the filter screen body 2 can be replaced, thereby the problem of low replacement efficiency of the filter screen body 2 is solved.

[0035] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art, all the electrical appliances in the utility model are powered by external power supply or built-in battery, and the type and specific type of all the electrical appliances in the utility model are not limited, and the person skilled in the art can definitely use the applicable electrical appliance type and specific type and electrical appliance power supply mode according to the common sense in the field.

[0036] The utility model is not limited to the above-mentioned embodiment, any person should know that the structural changes made under the inspiration of the utility model, any technical solution with the same or similar to the utility model falls into the protection scope of the utility model. The technical, shape and structure parts not described in detail in the utility model are the known technology.

Claims

1. An air filter facilitating replacement of a filter screen, characterized by, Include: The barrel (1), a plurality of filter screen bodies (2) are arranged in the length direction in the barrel (1), a maintenance opening (3) is arranged on one side of the barrel (1), a maintenance door (4) is rotatably connected in the maintenance opening (3), a guide groove (5) corresponding to the filter screen body (2) is arranged on one side of the barrel (1), a guide limiting strip (6) is arranged on the upper side of the filter screen body (2) and located at the lower part of the guide groove (5), a pull plate (7) corresponding to the guide limiting strip (6) is horizontally and elastically connected in the guide groove (5), a limiting groove (8) is arranged on the upper side of the pull plate (7), a limiting pin (9) corresponding to the limiting groove (8) is vertically and elastically connected in the barrel (1), and a push plate (10) corresponding to a plurality of limiting pins (9) is slidably connected on one side of the barrel (1).

2. The air filter of claim 1, wherein, The guide groove (5) is a cross-shaped groove structure, and the pull plate (7) is a cross-shaped plate structure.

3. The air filter of claim 1, wherein, The guide groove (5) is provided with a stop block (12), the bottom surface height of the stop block (12) is the same as the upper surface height of the guide limiting strip (6), and a spring damping rod (13) is arranged between the stop block (12) and the pull plate (7).

4. The air filter of claim 1, wherein, A first groove (14) corresponding to the limiting pin (9) is arranged on one side of the barrel (1), a second groove (15) is arranged on the inner wall bottom surface of the first groove (14), and the limiting pin (9) is slidably connected in the first groove (14) and the second groove (15).

5. The air filter of claim 4, wherein, The limiting pin (9) is an L-shaped plate structure, and a guide inclined surface is arranged on one end of the limiting pin (9) close to the limiting groove (8).

6. The air filter of claim 4, wherein, A spring (16) is arranged on the upper side of the limiting pin (9) and the inner wall top surface of the first groove (14).

7. The air filter of claim 1, wherein, Two T-shaped grooves (11) are arranged on one side of the barrel (1), two T-shaped protrusions (17) are arranged on one side of the push plate (10), and the two T-shaped protrusions (17) are slidably connected in the two T-shaped grooves (11) respectively.

8. The air filter of claim 1, wherein, A plug (18) is arranged on the upper side of the T-shaped groove (11), the upper side of the push plate (10) is attached to the bottom surface of the limiting pin (9), one side of a connecting plate (19) is arranged on one side of the maintenance door (4), and a plum blossom handle screw (20) threadedly connected with the barrel (1) is threadedly connected on one side of the connecting plate (19).

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