CN112954928B

CN112954928B - Filter protection device and use method

Info

Publication number: CN112954928B
Application number: CN202110133972.8A
Authority: CN
Inventors: 张国强
Original assignee: Suzhou Eniste Electric Technology Co ltd
Current assignee: Suzhou Eniste Electric Technology Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2022-06-14
Anticipated expiration: 2041-02-01
Also published as: CN112954928A

Abstract

The invention relates to the technical field of filter protection, in particular to a filter protection device and a using method thereof, which comprises a box body, a lifting component, a second supporting plate and a third supporting plate, wherein a filter is downwards extruded by using a pressing plate, the filter is fixed, so that the filter is more stably installed, and in the transportation process, the shaking of the filter is reduced, the collision damage of the filter is reduced, the protection effect of the filter protection device on the filter is improved, the convenience of the protection device on the transportation of the filter is improved, the plastic pad is arranged at the bottom end of the pressing plate, when the pressing plate presses the filter downwards, the buffer function can be realized, the filter is prevented from being crushed by the pressing plate, the use reliability of the protection device is improved, simultaneously, the plastic mat can increase with the frictional force of wave filter, can improve the fixed effect to the wave filter, and then further promote the protective effect of this wave filter protection device to the wave filter.

Description

Filter protection device and use method

Technical Field

The invention relates to the technical field of filter protection, in particular to a filter protection device and a using method thereof.

Background

The filter is by the filter circuit that electric capacity, inductance and resistance constitute, the filter can carry out effective filtering to the frequency point of specific frequency in the circuit or the frequency beyond this frequency point, can make specific frequency composition pass through in the signal, and other frequency compositions of very big decay, more use more and more in modern telecommunication equipment and all kinds of control system field, in the use filter in-process, in order to guarantee the normal use of filter, often need install protection device additional to the filter, protect the filter through protection device.

However, the existing filter protection device has a great problem in the using process, the existing filter protection device is not fixed firmly enough, the existing filter protection device is easy to shake in the transportation process, and then the filter is collided and damaged, the protection effect on the filter is reduced, and the position of the filter cannot be adjusted by the existing filter protection device, so that the using flexibility of the device is reduced, inconvenience is brought to the use of an operator, the existing filter protection device cannot prevent dust, the aging of the filter is easy to cause, and the service life of the filter is further shortened.

Disclosure of Invention

The invention provides a filter protection device and a using method thereof, aiming at the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a filter protection device comprises a box body, lifting components, a second support plate and a third support plate, wherein the box body is of a square structure, an inner cavity is formed in one side of the box body, two lifting components are fixed at one end of the box body, a connecting plate is arranged on one side, far away from the box body, of the two lifting components, two ends of the connecting plate are kept balanced in the up-down adjustment process through the two lifting components, so that the up-down adjustment stability of a filter is improved, the second support plate is welded at one end, close to the lifting components, of the connecting plate, the second support plate and the connecting plate are integrally of a T-shaped structure, the second support plate is located in the inner cavity, the filter is protected through the box body, the filter is prevented from being damaged by heavy objects or rainwater, and the filter can be located in a more stable working environment;

the lifting assembly comprises a first supporting plate, a mounting frame and a rotary table, the first supporting plate is vertically arranged and is of a U-shaped structure, a first lead screw is matched on the first supporting plate in a rotating mode, a lifting block is matched on the first lead screw in a threaded mode, the mounting frame is welded to the top of the first supporting plate, the rotary table is mounted at the top of the mounting frame, the bottom end of the rotary table is connected with the first lead screw through a rotating shaft, the first lead screw is rotated more easily through the rotary table, manpower is saved, meanwhile, the first lead screw is rotated in a manual rotary table mode, and the height of the fixed position of the filter can be adjusted more flexibly;

the filter comprises a first support plate, a second support plate, a first motor, a second motor, a third support plate, a sliding plate, a nut, a third support plate and a filter, wherein the mounting plate and the lug plate are respectively welded at two ends of the top of the second support plate, a second lead screw is rotatably matched between the mounting plate and the lug plate, the first motor is installed at one side, away from the second lead screw, of the mounting plate, one end, close to the mounting plate, of the first motor is connected with the second lead screw, sliding rails are welded at two sides of the top of the second support plate, the sliding plate is slidably matched at the top of the second support plate, two sliding blocks and the nut are welded at the bottom end of the sliding plate, the third support plate is vertically welded at one end of the sliding plate, the sliding plate and the third support plate are integrally of an L-shaped structure, and the filter is controlled to extend out and retract by driving the first motor;

the inside of the third supporting plate is of a hollow structure, and a third screw rod is rotatably matched with the inside of the third supporting plate, the top end of the third supporting plate is provided with a second motor, the bottom end of the second motor is connected with a third screw rod, two sliding grooves are vertically arranged on one side of the third supporting plate close to the sliding plate, a pressing plate is in sliding fit with one side of the third supporting plate close to the sliding plate, a clamping handle is welded at one end of the pressing plate close to the third supporting plate, the clamping handle is in a U-shaped structure, the two sliding sides of the clamping handle are in sliding fit in the two sliding grooves, a screw hole is arranged at one end of the clamping handle far away from the pressing plate, the clamping handle is in threaded fit with the third screw rod through the screw hole, the filter is extruded downwards by using the pressing plate, fix the wave filter to make the wave filter installation more stable, and then in the transportation, reduce rocking of wave filter.

Preferably, two lifting units are respectively located at two sides of one end of the box body, the two lifting units are vertically arranged, the connecting plate is located between the two lifting units, and the two lifting units and the connecting plate are integrally of an H-shaped structure.

Preferably, the carousel cross-section is circular structure, and the vertical commentaries on classics handle that is equipped with in carousel top, and change the welding in carousel top edge, through setting up on the carousel and changeing the handle, for rotating the carousel and having brought the facility, further improve the convenience that this protection device used, through the height of adjusting wave filter fixed position, make things convenient for operating personnel to operate the use to the wave filter.

Preferably, the connecting plate is welded on one side of the two lifting blocks far away from the first supporting plate, and the two lifting blocks are respectively positioned at two ends of the connecting plate.

Preferably, the two slide rails and the second screw rod are both horizontally arranged, the second screw rod is positioned between the two second slide rails, and the cross section of each slide rail is of an I-shaped structure.

Preferably, two sliders are located the both ends of slide bottom respectively, and the nut is located the centre of two sliders, and the notch has all been seted up to the bottom of two sliders, the size in notch cross-section and the size looks adaptation in slide rail cross-section.

Preferably, two slider sliding fit are on two slide rails, nut screw-thread fit is on the second lead screw, the slide is the level setting, the slide is on two slide rails through two slider sliding fit, through setting up the slider, and slide the slider on the slide rail, make the more level and smooth that the slide moved on the slide rail, and then in the immigration inner chamber that makes the wave filter can be more smooth and easy, improve the convenience that this equipment used, a plurality of through-hole has been seted up at the top of slide, through seting up a plurality of through-hole on the slide, can cooperate the bolt to fix the wave filter in the through-hole, and then improve the fixed fastness to the wave filter.

Preferably, clamp plate and card handle all are the level setting, and a plurality of plastic pad is installed to the bottom of clamp plate, sets up the plastic pad through the bottom at the clamp plate, when the clamp plate extrudees the wave filter downwards, can play a cushioning effect.

Preferably, the four corners welding at box top has the bail, and the supporting shoe has all been welded at the both ends of bottom half, and one side of supporting shoe is seted up flutedly, and the mount has all been welded to the both sides of box, and the mount is kept away from one side welding of box and is had the pallet.

Preferably, the using method specifically comprises the following steps:

the method comprises the following steps: fixing the filter on the top of the sliding plate, driving the third screw rod to rotate through a second motor, enabling the clamping handle to slide on the sliding groove through rotating the third screw rod, driving the pressing plate through the clamping handle, enabling the pressing plate to move downwards, and fixing the filter through moving the pressing plate downwards;

step two: the rotary table drives the first screw rod to rotate through the rotary shaft by rotating the rotary table, the lifting block moves on the first screw rod by rotating the first screw rod, the lifting block drives the connecting plate, the connecting plate drives the second supporting plate to enable the second supporting plate to move up and down, and the fixed position of the filter is moved by moving the second supporting plate;

step three: the second screw rod is driven by the first motor to rotate, the nut is driven to move on the second screw rod through the rotation of the second screw rod, the nut drives the sliding plate, the sliding plate moves on the sliding rail through the sliding block, and the sliding plate fixed with the filter is moved into the inner cavity through the movable sliding plate.

The invention has the beneficial effects that:

(1) according to the filter protection device and the use method, the filter is downwards extruded by the pressing plate to be fixed, so that the filter is more stably installed, the shaking of the filter is reduced in the transportation process, the collision damage of the filter is reduced, the protection effect of the filter protection device on the filter is improved, the convenience of the protection device on the transportation of the filter is improved, the plastic pad is arranged at the bottom end of the pressing plate, when the pressing plate downwards extrudes the filter, a buffering effect can be achieved, the filter is prevented from being crushed by the pressing plate, the use reliability of the protection device is improved, meanwhile, the friction force between the plastic pad and the filter can be increased, the fixing effect on the filter can be improved, and the protection effect of the filter protection device on the filter is further improved.

(2) The filter protection device and the use method thereof have the advantages that the rotation of the first lead screw is easier by using the turntable, so that the labor is saved, meanwhile, the height of the fixed position of the filter can be adjusted more flexibly and conveniently by rotating the first lead screw in a manner of manually rotating the turntable, the convenience in the use process is improved, the convenience in the use process is further improved by arranging the rotating handle on the turntable for rotating the turntable, the operation and the use of the protection device are further improved, the operation of an operator are facilitated by adjusting the height of the fixed position of the filter, the use of the filter is facilitated, so that the efficiency of the operator for using the filter is improved, the two ends of the connecting plate are kept balanced in the up-down adjustment process by arranging the two first lead screws and the two lifting blocks, so that the stability in up-down adjustment of the filter is improved, and the interference to the working state of the filter is reduced.

(3) The invention relates to a filter protection device and a using method thereof, wherein a plurality of through holes are arranged on a sliding plate, the through holes can be matched with bolts to fix a filter, so that the fixing firmness of the filter is improved, the protection device can fix filters with different sizes and models by arranging the through holes, so that the using range of the filter protection device is further improved, the sliding block is arranged and slides on a sliding rail, so that the sliding plate can move more smoothly on the sliding rail, the filter can move into an inner cavity more smoothly, the using convenience of the device is improved, the filter can be protected by a box body by moving the filter into the inner cavity, the filter is protected by the box body, the filter is prevented from being damaged by heavy objects or rainwater, and the filter can be in a more stable working environment, thereby improve the result of use of wave filter, simultaneously, through the protection of box, reduced humidity and dust around the wave filter to can slow down the ageing speed of the inside components and parts of wave filter, prolong the life of this wave filter, through driving first motor, control stretching out and withdrawing of wave filter, improve the flexibility that this protection device used.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the support block structure of the present invention.

Fig. 3 is a schematic structural view of the fixing frame of the present invention.

Fig. 4 is a schematic structural view of the lifting assembly of the present invention.

FIG. 5 is a schematic diagram of a second supporting plate structure according to the present invention.

Fig. 6 is an enlarged schematic view of the detail of the area a in fig. 1.

Fig. 7 is a schematic view of the structure of the skateboard of the present invention.

FIG. 8 is a schematic diagram of a third supporting plate structure according to the present invention.

Fig. 9 is a cross-sectional view of a third support plate of the present invention.

FIG. 10 is a schematic view of the structure of the pressure plate of the present invention.

In the figure: 1. a box body; 101. an inner cavity; 2. a support block; 201. a groove; 3. a fixed mount; 301. a stand; 4. a lifting assembly; 401. a first support plate; 402. a mounting frame; 403. a first lead screw; 404. a lifting block; 405. a turntable; 406. turning a handle; 5. a connecting plate; 6. a second support plate; 601. mounting a plate; 602. an ear plate; 603. a slide rail; 604. a second lead screw; 7. a first motor; 8. a slide plate; 801. a through hole; 802. a slider; 803. a nut; 9. a third support plate; 901. a chute; 902. a second motor; 903. a third screw rod; 10. pressing a plate; 11. a plastic pad; 12. a clamping handle; 13. a screw hole; 14. and (5) lifting a ring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-10, the filter protection device of the present invention comprises a box body 1, a lifting assembly 4, a second support plate 6 and a third support plate 9, wherein the box body 1 is a square structure, one side of the box body 1 is provided with an inner cavity 101, one end of the box body 1 is fixed with two lifting assemblies 4, one side of the two lifting assemblies 4 away from the box body 1 is provided with a connecting plate 5, by arranging the two lifting assemblies 4, two ends of the connecting plate 5 are kept balanced in the up-down adjustment process, so as to improve the stability of the up-down adjustment of the filter and reduce the interference to the working state of the filter, one end of the connecting plate 5 close to the lifting assemblies 4 is welded with the second support plate 6, the second support plate 6 and the connecting plate 5 are integrally in a "T" shape structure, and the second support plate 6 is located in the inner cavity 101, the filter is protected by the box body 1, so as to avoid the damage of heavy objects or rainwater to the filter, the filter can be in a more stable working environment, so that the using effect of the filter is improved, and meanwhile, the humidity and dust around the filter are reduced through the protection of the box body 1, so that the aging speed of components in the filter can be slowed down, and the service life of the filter is prolonged;

the lifting component 4 comprises a first supporting plate 401, a mounting frame 402 and a rotary table 405, the first supporting plate 401 is vertically arranged, the first supporting plate 401 is of a U-shaped structure, a first screw rod 403 is matched on the first supporting plate 401 in a rotating mode, a lifting block 404 is matched on the first screw rod 403 in a threaded mode, the mounting frame 402 is welded to the top of the first supporting plate 401, the rotary table 405 is installed on the top of the mounting frame 402, the bottom end of the rotary table 405 is connected with the first screw rod 403 through a rotating shaft, the first screw rod 403 can rotate more easily by using the rotary table 4, manpower is saved, meanwhile, the first screw rod 403 is rotated by manually rotating the rotary table 4, the height of a fixed position of the filter can be adjusted more flexibly, and the convenience in the using process is improved;

the two ends of the top of the second support plate 6 are respectively welded with a mounting plate 601 and an ear plate 602, a second screw 604 is rotatably matched between the mounting plate 601 and the ear plate 602, one side of the mounting plate 601, which is far away from the second screw 604, is provided with a first motor 7, one end of the first motor 7, which is close to the mounting plate 601, is connected with the second screw 604, two sides of the top of the second support plate 6 are respectively welded with a slide rail 603, the top of the second support plate 6 is slidably matched with a slide plate 8, the bottom end of the slide plate 8 is welded with two slide blocks 802 and a nut 803, one end of the slide plate 8 is vertically welded with a third support plate 9, the slide plate 8 and the third support plate 9 are integrally in an L-shaped structure, and the extension and retraction of the filter are controlled by driving the first motor 7, so that the use flexibility of the protection device is improved;

the interior of the third supporting plate 9 is of a hollow structure, a third screw rod 903 is rotatably matched with the interior of the third supporting plate 9, a second motor 902 is installed at the top end of the third supporting plate 9, the bottom end of the second motor 902 is connected with the third screw rod 903, two sliding grooves 901 are vertically formed in one side, close to the sliding plate 8, of the third supporting plate 9, a pressing plate 10 is slidably matched with one side, close to the sliding plate 8, of the third supporting plate 9, a clamping handle 12 is welded at one end, close to the third supporting plate 9, of the pressing plate 10, the clamping handle 12 is of a U-shaped structure, two sliding sides of the clamping handle 12 are slidably matched in the two sliding grooves 901, a screw hole 13 is formed in one end, far away from the pressing plate 10, of the clamping handle 12, the clamping handle 12 is in threaded fit with the third screw rod 903 through the screw hole 13, the pressing plate 12 is used for downwards pressing the filter to fix the filter, so that the filter is more stable to install the filter, and further reduce the shaking of the filter in the transportation process, the collision damage of the filter is reduced, the protection effect of the filter protection device on the filter is improved, and the convenience of the filter transportation by the protection device is improved.

Two lifting unit 4 are located the both sides of 1 one end of box respectively, and two lifting unit 4 are vertical setting, and connecting plate 5 is located two lifting unit 4's centre, and two lifting unit 4 and connecting plate 5 wholly are "H" type structure.

The carousel 405 cross-section is circular structure, the vertical commentaries on classics 406 that is equipped with in carousel 405 top, and change 406 welding in carousel 405 top edge, change 401 through setting up on carousel 4, brought the facility for rotating carousel 4, further improve the convenience that this protection device used, through the height of adjusting wave filter fixed position, make things convenient for operating personnel to operate the use to the wave filter, bring the facility for the use of wave filter, thereby help improving the efficiency that operating personnel used the wave filter.

The connecting plate 5 is welded on one side of the two lifting blocks 404 away from the first supporting plate 401, and the two lifting blocks 404 are respectively located at two ends of the connecting plate 5.

The two slide rails 603 and the second lead screw 604 are both horizontally arranged, the second lead screw 604 is positioned between the two second slide rails 603, and the cross section of the slide rails 603 is in an I-shaped structure.

Two sliders 802 are respectively located at two ends of the bottom of the sliding plate 8, the nut 803 is located between the two sliders 802, notches are formed in the bottoms of the two sliders 802, and the cross sections of the notches are matched with the cross sections of the sliding rails 603 in size.

Two slider 802 sliding fit are on two slide rails 603, nut 803 screw-thread fit is on second lead screw 604, slide 8 is the level setting, slide 8 is on two slide rails 603 through two slider 802 sliding fit, through setting up slider 802, and slide slider 802 on slide rail 603, make more level and smooth that slide 8 moved on slide rail 603, and then make in the immigration inner chamber 101 that the wave filter can be more smooth and easy, improve the convenience that this equipment used, a plurality of through-hole 801 has been seted up at slide 8's top, through set up a plurality of through-hole 801 on slide 8, can cooperate the bolt to fix the wave filter in the through-hole, and then improve the fixed fastness to the wave filter, through setting up a plurality of through-hole 801, make this protection device can fix the wave filter of not equidimension model, and then improve this wave filter protection device's application range.

Pressing plate 10 and card handle 12 all are the level setting, a plurality of plastic pad 11 is installed to the bottom of pressing plate 10, set up plastic pad 11 through the bottom at pressing plate 12, when pressing plate 12 extrudees the wave filter downwards, can play a cushioning effect, avoid the wave filter to be crushed by pressing plate 12, improve the reliability that this protection device used, and simultaneously, plastic pad 11 can increase the frictional force with the wave filter, can improve the fixed effect to the wave filter, and then further promote the protective effect of this wave filter protection device to the wave filter.

Four corners welding at the 1 top of box has the bail 14, supporting shoe 2 has all been welded at the both ends of 1 bottom of box, recess 201 has been seted up to one side of supporting shoe 2, mount 3 has all been welded to the both sides of box 1, mount 3 has one side welding of keeping away from box 1, through setting up bail 14, can hoist this protection device, thereby be convenient for hang the commentaries on classics to the device, improve the convenience that the device removed the transportation, through setting up mount 3, can fix this protection device, improve the stability that the device used, and then help operating the wave filter through the device, through setting up supporting shoe 2, play the supporting role to the device, through seting up recess 201 in one side of supporting shoe 2, the convenience is fixed supporting shoe 2, and then improve the fastness that supporting shoe 2 supported.

The using method specifically comprises the following steps:

the method comprises the following steps: fixing the filter on the top of the sliding plate 8, driving the third screw rod 903 to rotate by the second motor 902, sliding the clamping handle 12 on the sliding groove 901 by rotating the third screw rod 903, driving the pressing plate 12 by the clamping handle 12, moving the pressing plate 12 downwards, and fixing the filter by moving the pressing plate 12 downwards;

step two: by rotating the turntable 4, the turntable 4 drives the first screw rod 403 to rotate through the rotating shaft, the lifting block 404 moves on the first screw rod 403 by rotating the first screw rod 403, the lifting block 404 drives the connecting plate 5, the connecting plate 5 drives the second supporting plate 6 to enable the second supporting plate 6 to move up and down, and the fixed position of the filter is moved by moving the second supporting plate 6;

step three: the second screw 604 is rotated by the driving of the first motor 7, the nut 803 is moved on the second screw 604 by the rotation of the second screw 604, the nut 803 drives the sliding plate 8, the sliding plate 8 is moved on the sliding rail 603 by the sliding block 802, and the sliding plate 8 fixed with the filter is moved into the inner cavity 101 by moving the sliding plate 8.

When in use, firstly, the filter is fixed on the top of the sliding plate 8, the third screw rod 903 is rotated by the driving of the second motor 902, the clamping handle 12 slides on the sliding groove 901 by rotating the third screw rod 903, the clamping handle 12 drives the pressing plate 12 to move the pressing plate 12 downwards, the filter is fixed by moving the pressing plate 12 downwards, the filter is fixed by using the pressing plate 12 to press the filter downwards, so that the installation of the filter is more stable, further, the shaking of the filter is reduced in the transportation process, the collision damage of the filter is reduced, the protection effect of the filter protection device on the filter is improved, the convenience of the protection device on the transportation of the filter is improved, the plastic pad 11 is arranged at the bottom end of the pressing plate 12, when the pressing plate 12 presses the filter downwards, the buffer effect can be achieved, the filter is prevented from being crushed by the pressing plate 12, and the use reliability of the protection device is improved, meanwhile, the plastic pad 11 can increase the friction force with the filter, can improve the fixing effect on the filter, and further improve the protection effect of the filter protection device on the filter, then, by rotating the turntable 4, the turntable 4 drives the first lead screw 403 to rotate through the rotating shaft, by rotating the first lead screw 403, the lifting block 404 is moved on the first lead screw 403, the lifting block 404 drives the connecting plate 5, the connecting plate 5 drives the second supporting plate 6, the second supporting plate 6 is moved up and down, by moving the second supporting plate 6, the fixing position of the filter is moved, by using the turntable 4, the rotation of the first lead screw 403 is easier, thereby saving the manpower, meanwhile, by rotating the first lead screw 403 in a manner of manually rotating the turntable 4, the height of the fixing position of the filter can be adjusted more flexibly, and the convenience in the use process is improved, the rotating handle 401 is arranged on the rotating disc 4, convenience is brought to the rotating disc 4, the use convenience of the protective device is further improved, the filter is convenient to operate and use by an operator by adjusting the height of the fixed position of the filter, the use of the filter is facilitated, and the use efficiency of the filter by the operator is improved, the two ends of the connecting plate 5 are kept balanced in the up-down adjusting process by arranging the two first lead screws 403 and the two lifting blocks 404, so that the up-down adjusting stability of the filter is improved, the interference on the working state of the filter is reduced, finally, the second lead screw 604 is driven by the first motor 7 to rotate, the nut 803 is driven to move on the second lead screw 604 by the rotation of the second lead screw 604, the nut 803 drives the sliding plate 8, the sliding plate 8 is driven to move on the sliding rail 603 by the sliding plate 802, and the sliding plate 8 fixed with the filter is moved into the inner cavity 101 by moving the sliding plate 8, the through holes 801 are formed in the sliding plate 8, the filter can be fixed in the through holes by matching with bolts, the fixing firmness of the filter is further improved, the protective device can fix filters with different sizes and models by arranging the through holes 801, the application range of the filter protective device is further improved, the sliding block 802 is arranged and slides on the sliding rail 603, the sliding plate 8 can move more smoothly on the sliding rail 603, the filter can move into the inner cavity 101 more smoothly, the use convenience of the device is improved, the filter can be protected by the box body 1 by moving the filter into the inner cavity 101, the filter is protected by the box body 1, the filter is prevented from being damaged by heavy objects or rainwater, the filter can be in a more stable working environment, and the application effect of the filter is improved, simultaneously, through the protection of box 1, humidity and dust around having reduced the wave filter to can slow down the ageing speed of the inside components and parts of wave filter, prolong the life of this wave filter, through driving first motor 7, the flexibility that this protection device used has been improved in stretching out and withdrawing of control wave filter.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a filter protection device, includes box (1), lifting unit (4), second backup pad (6) and third backup pad (9), its characterized in that: the box body (1) is of a square structure, an inner cavity (101) is formed in one side of the box body (1), two lifting assemblies (4) are fixed to one end of the box body (1), a connecting plate (5) is arranged on one side, far away from the box body (1), of the two lifting assemblies (4), a second supporting plate (6) is welded to one end, close to each lifting assembly (4), of the connecting plate (5), the second supporting plate (6) and the connecting plate (5) are of a T-shaped structure integrally, and the second supporting plate (6) is located in the inner cavity (101);

the lifting assembly (4) comprises a first supporting plate (401), a mounting frame (402) and a rotary disc (405), the first supporting plate (401) is vertically arranged, the first supporting plate (401) is of a U-shaped structure, a first lead screw (403) is rotatably matched on the first supporting plate (401), a lifting block (404) is in threaded fit on the first lead screw (403), the mounting frame (402) is welded at the top of the first supporting plate (401), the rotary disc (405) is mounted at the top of the mounting frame (402), and the bottom end of the rotary disc (405) is connected with the first lead screw (403) through a rotating shaft;

the improved structure of the automobile seat is characterized in that mounting plates (601) and ear plates (602) are welded at two ends of the top of the second supporting plate (6) respectively, a second lead screw (604) is arranged between the mounting plates (601) and the ear plates (602) in a rotation fit mode, a first motor (7) is installed on one side, away from the second lead screw (604), of the mounting plate (601), one end, close to the mounting plates (601), of the first motor (7) is connected with the second lead screw (604), sliding rails (603) are welded on two sides of the top of the second supporting plate (6), a sliding plate (8) is arranged on the top of the second supporting plate (6) in a sliding fit mode, two sliding blocks (802) and a nut (803) are welded at the bottom end of the sliding plate (8), a third supporting plate (9) is vertically welded at one end of the sliding plate (8), and the sliding plate (8) and the third supporting plate (9) are integrally of an L-shaped structure;

the interior of the third supporting plate (9) is of a hollow structure, a third screw rod (903) is rotatably matched with the interior of the third supporting plate (9), a second motor (902) is arranged at the top end of the third supporting plate (9), the bottom end of the second motor (902) is connected with a third screw rod (903), one side of the third supporting plate (9) close to the sliding plate (8) is vertically provided with two sliding grooves (901), a pressing plate (10) is matched with one side of the third supporting plate (9) close to the sliding plate (8) in a sliding way, a clamping handle (12) is welded at one end of the pressing plate (10) close to the third supporting plate (9), the clamping handle (12) is in a U-shaped structure, two sliding sides of the clamping handle (12) are in sliding fit in the two sliding grooves (901), a screw hole (13) is arranged at one end of the clamping handle (12) far away from the pressing plate (10), the clamping handle (12) is in threaded fit with the third screw rod (903) through a screw hole (13).

2. A filter protection arrangement according to claim 1, wherein: two lifting unit (4) are located the both sides of box (1) one end respectively, and two lifting unit (4) are vertical setting, and connecting plate (5) are located the centre of two lifting unit (4), and two lifting unit (4) and connecting plate (5) whole are "H" type structure.

3. A filter protection arrangement according to claim 1, wherein: the section of the rotary disc (405) is of a circular structure, a rotating handle (406) is vertically arranged at the top of the rotary disc (405), and the rotating handle (406) is welded at the edge of the top of the rotary disc (405).

4. A filter protection arrangement according to claim 1, wherein: the connecting plate (5) is welded on one side, away from the first supporting plate (401), of the two lifting blocks (404), and the two lifting blocks (404) are respectively located at two ends of the connecting plate (5).

5. A filter protection arrangement according to claim 1, wherein: the two slide rails (603) and the second screw rod (604) are both arranged horizontally, the second screw rod (604) is positioned between the two second slide rails (603), and the cross section of each slide rail (603) is of an I-shaped structure.

6. A filter protection arrangement according to claim 1, wherein: two sliders (802) are respectively located at two ends of the bottom of the sliding plate (8), the nut (803) is located between the two sliders (802), notches are formed in the bottoms of the two sliders (802), and the cross sections of the notches are matched with the cross sections of the sliding rails (603).

7. A filter protection arrangement according to claim 6, wherein: two slider (802) sliding fit are on two slide rails (603), and nut (803) screw-thread fit is on second lead screw (604), and slide (8) are the level setting, and slide (8) are on two slide rails (603) through two slider (802) sliding fit, and a plurality of through-hole (801) have been seted up at the top of slide (8).

8. A filter protection arrangement according to claim 1, wherein: the pressing plate (10) and the clamping handle (12) are both horizontally arranged, and a plurality of plastic pads (11) are installed at the bottom end of the pressing plate (10).

9. A filter protection arrangement according to claim 1, wherein: lifting rings (14) are welded at four corners of the top of the box body (1), supporting blocks (2) are welded at two ends of the bottom of the box body (1), a groove (201) is formed in one side of each supporting block (2), fixing frames (3) are welded at two sides of the box body (1), and a stand (301) is welded at one side, far away from the box body (1), of each fixing frame (3).

10. A method of using a filter protection device according to any one of claims 1-9, wherein: the using method specifically comprises the following steps:

the method comprises the following steps: fixing the filter on the top of the sliding plate (8), driving the filter by a second motor (902) to rotate a third screw rod (903), sliding a clamping handle (12) on the sliding groove (901) by rotating the third screw rod (903), driving a pressing plate (10) by the clamping handle (12), moving the pressing plate (10) downwards, and fixing the filter by moving the pressing plate (10) downwards;

step two: by rotating the turntable (405), the turntable (405) drives the first screw rod (403) to rotate through the rotating shaft, the lifting block (404) moves on the first screw rod (403) by rotating the first screw rod (403), the lifting block (404) drives the connecting plate (5), the connecting plate (5) drives the second supporting plate (6) to enable the second supporting plate (6) to move up and down, and the fixed position of the filter is moved by moving the second supporting plate (6);

step three: the second screw rod (604) is driven to rotate through the first motor (7), the nut (803) is driven to move on the second screw rod (604) through the rotation of the second screw rod (604), the sliding plate (8) is driven by the nut (803), the sliding plate (8) moves on the sliding rail (603) through the sliding block (802), and the sliding plate (8) fixed with the filter is moved into the inner cavity (101) through the sliding plate (8).