阅读说明：本技术 一种发动机散热器表面积灰自动清洁装置 (Automatic cleaning device for dust accumulated on surface of engine radiator ) 是由 陈发龙 于 2021-08-27 设计创作，主要内容包括：本发明涉及汽车发动机散热技术领域,具体的说是一种发动机散热器表面积灰自动清洁装置,包括散热器风扇架、动力机构、触发机构、刮除机构和收集机构,所述风扇架内部安装有多个电动散热风扇,所述动力机构包括第一皮带轮、第二皮带轮和六角块,所述风扇架后方侧壁转动连接有第一皮带轮,且第一皮带轮的转动轴与电动散热风扇转轴固定连接,所述风扇架的后方侧壁转动插设有第二皮带轮,且第二皮带轮的转动轴贯穿风扇架的侧壁固定连接有六角块,所述第一皮带轮和第二皮带轮之间安装有传动皮带,利用触发机构感应风扇造成的空气流动,并在积灰较多时带动刮杆进行刮除,而且能够将刮除的灰尘手机在收集盒中,防止灰尘造成再次堵塞。(The invention relates to the technical field of automobile engine heat dissipation, in particular to an automatic cleaning device for dust accumulated on the surface of an engine radiator, which comprises a radiator fan frame, a power mechanism, a trigger mechanism, a scraping mechanism and a collecting mechanism, wherein a plurality of electric heat dissipation fans are arranged in the fan frame, the power mechanism comprises a first belt pulley, a second belt pulley and a hexagonal block, the rear side wall of the fan frame is rotatably connected with the first belt pulley, the rotating shaft of the first belt pulley is fixedly connected with the rotating shaft of each electric heat dissipation fan, the rear side wall of the fan frame is rotatably inserted with the second belt pulley, the rotating shaft of the second belt pulley penetrates through the side wall of the fan frame and is fixedly connected with the hexagonal block, a transmission belt is arranged between the first belt pulley and the second belt pulley, the trigger mechanism is used for inducing the air flow caused by the fans and driving a scraping rod to scrape when more dust is accumulated, and the mobile phone with the scraped dust can be placed in the collecting box, so that the dust is prevented from blocking again.)

1. The utility model provides an engine radiator surface deposition self-cleaning device which characterized in that: the electric heat radiator comprises a radiator (1), a fan frame (2), a power mechanism (3), a trigger mechanism (4), a scraping mechanism (5) and a collecting mechanism (6), wherein a plurality of electric heat radiating fans are arranged inside the fan frame (2), the trigger mechanism (4) comprises a movable sleeve (406), a limiting strip (408) and a connecting rod (405), the scraping mechanism (5) comprises a top plate (501) and a bottom plate (502) which are fixedly connected to the top and the bottom of one side wall of the radiator (1), a threaded rod (503) is rotatably connected between the top plate (501) and the bottom plate (502), a worm wheel (504) is fixedly sleeved at the upper end of the threaded rod (503), a worm (505) which is mutually matched with the worm wheel (504) is rotatably connected to the side wall below the top plate (501) through two bearing seats, and a rotating rod (506) is fixedly connected to one end of the worm (505), the rotating rod (506) is inserted in the moving sleeve (406) in a sliding manner, a limiting groove (507) matched with the limiting strip (408) is formed in the side wall of the rotating rod (506), a first moving block (508) is sleeved on the threaded rod (503) in a sliding manner, a sliding hole (509) is formed in the side wall, far away from the radiator (1), of the first moving block (508), a top rod (510) is inserted in the sliding hole (509) in a sliding manner, a blocking shoulder is arranged on the top rod (510), a limiting spring (511) is fixedly connected between the blocking shoulder and the first moving block (508), a mounting plate (512) is fixedly connected to the side wall, far away from the radiator (1), of the first moving block (508), a sliding groove is formed in the side wall, close to the first moving block (508), of the mounting plate (512), a sliding block (513) is connected in the sliding groove in a sliding manner, a notch is formed in the bottom, close to the side wall of the top rod (510), of the sliding block (513), and the one end of ejector pin (510) offsets with slider (513), mounting panel (512) is run through to the upper end of slider (513), and the slope of the top lateral wall of slider (513) sets up, dovetail (515) have been seted up to the below lateral wall of roof (501), and sliding connection has slide bar (516) in dovetail (515), the one end fixedly connected with and slider (513) top lateral wall of slide bar (516) to complex set-square (517), and the other end and connecting rod (405) fixed connection of slide bar (516).

2. The automatic cleaning device for the dust on the surface of the engine radiator as claimed in claim 1, wherein: the utility model discloses a fan rack, including fan frame (2), radiator (1), the lateral wall bottom fixedly connected with first fixed plate (518) of threaded rod (503) is kept away from in fan frame (2), and lateral wall bottom fixedly connected with second fixed plate (519) of threaded rod (503) are kept away from in radiator (1), top fixedly connected with knee (520) of first fixed plate (518) and second fixed plate (519) go up sliding connection and have second movable block (521), and fixedly connected with scrapes pole (523) between second movable block (521) and first movable block (508), the cover is equipped with on knee (520) and promotes extension spring (522), and the both ends that promote extension spring (522) respectively with second movable block (521) first fixed plate (518) fixed connection.

3. The automatic cleaning device for the dust on the surface of the engine radiator as claimed in claim 2, wherein: power unit (3) include first belt pulley (301), second belt pulley (302) and hexagonal piece (304), fan frame (2) rear lateral wall rotates and is connected with first belt pulley (301), and the axis of rotation and the electronic radiator fan pivot fixed connection of first belt pulley (301), the rear lateral wall of fan frame (2) rotates and inserts and is equipped with second belt pulley (302), and the axis of rotation of second belt pulley (302) runs through lateral wall fixedly connected with hexagonal piece (304) of fan frame (2), install drive belt (303) between first belt pulley (301) and second belt pulley (302).

4. The automatic cleaning device for the dust on the surface of the engine radiator as claimed in claim 3, wherein: the trigger mechanism (4) further comprises a choke plate (402) and an inner hexagonal ring (407), an air inlet groove (401) is formed in the upper portion of the fan frame (2), a long rod is inserted between the side walls of the two ends of the air inlet groove (401) in a rotating mode, the choke plate (402) is fixedly connected to the side wall of the long rod, the cross section of the choke plate (402) is arranged in a U shape, a connecting rod (404) is rotatably connected to one side, away from the long rod, of the choke plate (402), the other end of the connecting rod (404) is rotatably connected with a connecting rod (405), a lantern ring (409) is fixedly connected to the other end of the connecting rod (405), a moving sleeve (406) is rotatably sleeved in the lantern ring (409), the axis of the moving sleeve (406) is collinear with the axis of the hexagonal block (304), and one end, close to the hexagonal block (304), of the moving sleeve (406) is fixedly connected with the inner hexagonal ring (407) matched with the hexagonal block (304), the inner wall of the movable sleeve (406) and the limiting strip (408) are integrally formed.

5. The automatic cleaning device for the dust on the surface of the engine radiator as claimed in claim 4, wherein: the two sides of the upper part of the air inlet groove (401) are respectively and fixedly connected with two sealing plates (403), and the side walls of the lower parts of the two sealing plates (403) are respectively abutted against the two sides of the choke plate (402).

6. The automatic cleaning device for the dust on the surface of the engine radiator as claimed in claim 5, wherein: the lower side wall of mounting panel (512) fixedly connected with is spacing frame (514), and the lower extreme at slider (513) is established to spacing frame (514) cover.

7. The automatic cleaning device for the dust on the surface of the engine radiator as claimed in claim 6, wherein: the collecting mechanism (6) comprises a collecting box (601), a cover plate (602), a reset rod (608), a vertical rod (604) and a trigger block (606), the lower end of the front side wall of the radiator (1) is fixedly connected with the collecting box (601), the upper end of the collecting box (601) is provided with the cover plate (602), two ends of the upper side wall of the collecting box (601) are provided with two convex blocks, the two convex blocks are fixedly connected with two guide rods (603) close to the side wall of the cover plate (602), the two guide rods (603) penetrate through the cover plate (602), the side walls above the two ends of the cover plate (602) are respectively and fixedly connected with the two vertical rods (604), the side wall of one side of each vertical rod (604) is fixedly connected with a limit block (605), the upper part of the limit block (605) is rotatably connected with the trigger block (606), and a reset tension spring (607) is fixedly connected between the trigger block (606) and the limit block (605), two ends of the cover plate (602) are fixedly connected with two reset rods (608) respectively, and the other ends of the reset rods (608) are fixedly connected with reset inclined blocks (609).

8. The automatic cleaning device for the dust on the surface of the engine radiator as claimed in claim 7, wherein: the side wall above the cover plate (602) is obliquely arranged, and the inclined surface faces the direction of the radiator (1).

Technical Field

The invention relates to the technical field of automobile engine heat dissipation, in particular to an automatic cleaning device for dust accumulated on the surface of an engine radiator.

Background

The automobile radiator is used as a heat transfer and conduction component in an automobile, and plays an important role in the automobile. The automobile radiator fan is generally positioned at the front end of a vehicle and adopts an air suction type structure. When a vehicle runs, due to air suction of a radiator fan, sundries such as flying floc, dust, winged insects and the like are easily accumulated on the radiator fins, so that the radiating fins of the radiator are blocked, the air intake of the windward side of the radiator is reduced, and the poor heat radiation of the vehicle is caused, so that the performance of the radiator is reduced.

At present, the cleaning mode of automobile radiator on the market is basically that the radiator is dismantled, then washes it with high-pressure squirt, and this kind of cleaning mode can effectually clear away the dust that the radiator blockked up, but this kind of cleaning mode generally all need go on in 4S shop, complex operation needs longer time moreover, is unfavorable for daily use.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an automatic cleaning device for dust accumulated on the surface of an engine radiator.

The technical scheme adopted by the invention for solving the technical problems is as follows: an automatic cleaning device for dust accumulated on the surface of an engine radiator comprises a radiator fan frame, a power mechanism, a trigger mechanism, a scraping mechanism and a collecting mechanism, wherein a plurality of electric cooling fans are arranged inside the fan frame, the trigger mechanism comprises a movable sleeve, a limiting strip and a connecting rod, the scraping mechanism comprises a top plate and a bottom plate which are fixedly connected to the top and the bottom of one side wall of the radiator, a threaded rod is rotatably connected between the top plate and the bottom plate, a worm wheel is fixedly sleeved at the upper end of the threaded rod, the side wall below the top plate is rotatably connected with a worm matched with the worm wheel through two bearing seats, one end of the worm is fixedly connected with a rotating rod, the rotating rod is slidably inserted inside the movable sleeve, a limiting groove matched with the limiting strip is formed in the side wall of the rotating rod, a first moving block is slidably sleeved on the threaded rod, and the lateral wall that the radiator was kept away from to first movable block has seted up the slide opening, it is equipped with the ejector pin to slide to insert in the slide opening, be provided with on the ejector pin and keep off the shoulder, and keep off fixedly connected with spacing spring between shoulder and the first movable block, the lateral wall fixedly connected with mounting panel of radiator is kept away from to first movable block, and the mounting panel is close to the lateral wall of first movable block and has seted up the spout, and sliding connection has the slider in the spout, the bottom that the slider is close to the lateral wall of ejector pin has seted up the notch, and the one end of ejector pin offsets with the slider, the upper end of slider runs through the mounting panel, and the top lateral wall slope of slider sets up, the dovetail has been seted up to the below lateral wall of roof, and sliding connection has the slide bar in the dovetail, the one end fixedly connected with the slider top lateral wall of slide bar is to complex set-square, and the other end and the connecting rod fixed connection of slide bar.

Specifically, the fan bracket is kept away from the first fixed plate of lateral wall bottom fixedly connected with of threaded rod, and the radiator keeps away from the lateral wall bottom fixedly connected with second fixed plate of threaded rod, the top fixedly connected with knee of first fixed plate and second fixed plate, and sliding connection has the second movable block on the knee, and fixedly connected with scrapes the pole between second movable block and the first movable block, the cover is equipped with the promotion extension spring on the knee, and the both ends that promote the extension spring respectively with the first fixed plate fixed connection of second movable block.

Specifically, power unit includes first belt pulley, second belt pulley and hexagonal piece, the fan frame rear side wall rotates and is connected with first belt pulley, and the axis of rotation and electronic radiator fan pivot fixed connection of first belt pulley, the rear side wall of fan frame rotates and inserts and is equipped with the second belt pulley, and the axis of rotation of second belt pulley runs through the lateral wall fixedly connected with hexagonal piece of fan frame, install driving belt between first belt pulley and the second belt pulley.

Specifically, trigger mechanism still includes choke plate and interior hexagonal ring, the intake stack has been seted up to the top of fan frame, and rotates between the both ends lateral wall of intake stack and insert and be equipped with the stock, stock lateral wall fixedly connected with choke plate, and the cross-section of choke plate is the U-shaped setting, one side rotation that the stock was kept away from to the choke plate is connected with the connecting rod, and the other end rotation of connecting rod is connected with the connecting rod, the other end fixedly connected with lantern ring of connecting rod, and rotate the cover in the lantern ring and be equipped with the removal sleeve pipe, removal sleeve pipe and hexagonal piece axis collineation, and the removal sleeve pipe is close to the interior hexagonal ring that one end fixedly connected with and hexagonal piece match of hexagonal piece, removal sleeve pipe's inner wall and spacing strip integrated into one piece.

Specifically, two sides of the upper portion of the air inlet groove are fixedly connected with two sealing plates respectively, and the side walls of the lower portions of the two sealing plates are abutted to two sides of the choke plate respectively.

Specifically, the lower side wall of the mounting plate is fixedly connected with a limiting frame, and the limiting frame is sleeved at the lower end of the sliding block.

Specifically, collect the mechanism including collecting box, apron, release link, montant and trigger block, the lower extreme fixedly connected with of the place ahead lateral wall of radiator collects the box, and the upper end of collecting the box is provided with the apron, and the both ends of collecting the top lateral wall of box are provided with two lugs, and two lugs are close to two guide arms of the lateral wall fixedly connected with of apron, and two guide arms run through the apron, two montants of fixedly connected with respectively of the both ends top lateral wall of apron, and one side lateral wall fixedly connected with stopper of montant, the top of stopper is rotated and is connected with the trigger block, and triggers fixedly connected with extension spring that resets between block and the stopper, two release links of fixedly connected with respectively at the both ends of apron, and the other end fixedly connected with oblique piece that resets.

Specifically, the side wall above the cover plate is obliquely arranged, and the inclined surface faces the direction of the radiator.

The invention has the beneficial effects that:

(1) according to the automatic cleaning device for the dust on the surface of the engine radiator, when the first moving block and the second moving block move downwards, the dust on the surface of the radiator can be scraped, the dust can fall downwards to the upper side of the collecting box, the vertical rod can be pushed forwards when the first moving block and the second moving block impact the trigger block, the cover plate can move along the guide rod at the moment, the dust scraped by the scraping rod can enter the collecting box, when the first moving block and the second moving block descend to the bottom, the reset inclined block can be pushed backwards, the cover plate is driven to reset, the function of closing the collecting box is achieved, the dust in the collecting box is prevented from being blocked again, and when the first moving block and the second moving block ascend, the trigger block can be driven to rotate when the trigger block is contacted, and the vertical rod cannot be pushed forwards again.

(2) According to the automatic cleaning device for the dust accumulated on the surface of the engine radiator, when the dust accumulated on the radiator is scraped completely, the wind force borne by the choke plate is reduced, at the moment, the first moving block moves upwards and the reset sliding block pushes the triangular plate to move under the action of the tension of the lifting tension spring, the sliding block can push the triangular plate to move due to the reduction of the wind force borne by the choke plate, at the moment, the inner hexagonal ring is separated from the hexagonal block, and at the moment, the threaded rod, the worm gear and the moving sleeve do not rotate, so that the energy loss can be effectively reduced.

(3) The automatic cleaning device for the dust accumulated on the surface of the engine radiator can drive the sliding rod to move towards the direction of the fan frame in the moving process of the connecting rod, at the moment, the triangular plate can extrude the sliding block downwards, because the ejector rod is abutted against the bottom of the sliding block, the ejector rod can be extruded towards the direction of the first moving block while the sliding block moves downwards, so that one end of the ejector rod is clamped into the thread groove of the threaded rod, when the threaded rod rotates, the moving block can move downwards along the threaded rod, the arrangement enables the first moving block to move along the threaded rod, the scraping effect can be realized, when the first moving block moves to be in contact with the bottom plate, the bottom plate can push the sliding block upwards along the sliding groove, at the moment, the sliding block removes the limitation on the ejector rod, the ejector rod moves towards the direction far away from the first moving block under the action of the limiting spring and is pulled away from the thread groove of the threaded rod, this setting makes first movable block and threaded rod break away from to be connected for first movable block can follow and promote the extension spring and reset, does not need manual regulation, and equipment is repeatable promptly and carries out cleaning work.

Drawings

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

FIG. 1 is a schematic front view of an automatic cleaning device for dust deposited on the surface of an engine radiator according to the present invention;

FIG. 2 is a schematic view of a back structure of an automatic cleaning device for dust deposited on the surface of an engine radiator according to the present invention;

FIG. 3 is a schematic structural view of a trigger mechanism of an automatic cleaning device for dust deposited on the surface of an engine radiator according to the present invention;

FIG. 4 is a schematic structural view of a movable sleeve of an automatic cleaning device for dust deposited on the surface of an engine radiator according to the present invention;

FIG. 5 is a schematic structural view of a connecting rod of the automatic cleaning device for dust deposited on the surface of the engine radiator provided by the invention;

FIG. 6 is a schematic structural view of a scraping mechanism of an automatic cleaning device for dust deposited on the surface of an engine radiator according to the present invention;

FIG. 7 is an enlarged view of the structure at A in FIG. 6;

FIG. 8 is a schematic view of an installation plate structure of an automatic cleaning device for dust deposited on the surface of an engine radiator according to the present invention;

FIG. 9 is a schematic view of a curved rod structure of an automatic cleaning device for dust deposited on the surface of an engine radiator according to the present invention;

FIG. 10 is a schematic structural view of a collecting mechanism of an automatic cleaning device for dust deposited on the surface of an engine radiator according to the present invention.

In the figure: 1. a heat sink; 2. a fan frame; 3. a power mechanism; 301. a first pulley; 302. a second pulley; 303. a drive belt; 304. a hexagonal block; 4. a trigger mechanism; 401. an air inlet groove; 402. a choke plate; 403. a sealing plate; 404. a connecting rod; 405. a connecting rod; 406. moving the sleeve; 407. an inner hexagonal ring; 408. a limiting strip; 409. a collar; 5. a scraping mechanism; 501. a top plate; 502. a base plate; 503. a threaded rod; 504. a worm gear; 505. a worm; 506. rotating the rod; 507. a limiting groove; 508. a first moving block; 509. a slide hole; 510. a top rod; 511. a limiting spring; 512. mounting a plate; 513. a slider; 514. a limiting frame; 515. a dovetail groove; 516. a slide bar; 517. a set square; 518. a first fixing plate; 519. a second fixing plate; 520. bending a rod; 521. a second moving block; 522. lifting the tension spring; 523. a scraping rod; 6. a collection mechanism; 601. a collection box; 602. a cover plate; 603. a guide bar; 604. a vertical rod; 605. a limiting block; 606. a trigger block; 607. a return tension spring; 608. a reset lever; 609. and resetting the inclined block.

Detailed Description

The following description of the embodiments of the present invention is provided by way of specific examples, and those skilled in the art will appreciate the advantages and utilities of the present invention from the disclosure herein. It should be noted that the drawings provided in the following embodiments are only for illustrative purposes, are schematic drawings rather than actual drawings, and are not to be construed as limiting the invention, and in order to better illustrate the embodiments of the invention, some components in the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is merely for convenience of description and simplicity of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings for the above applications according to specific situations.

As shown in fig. 1-10, the present invention provides an automatic cleaning device for dust deposited on the surface of an engine radiator, which comprises a radiator 1, a fan frame 2, an actuating mechanism 3, a trigger mechanism 4, a scraping mechanism 5 and a collecting mechanism 6, wherein a plurality of electric heat dissipation fans are installed inside the fan frame 2, the trigger mechanism 4 comprises a movable sleeve 406, a limit strip 408 and a connecting rod 405, the scraping mechanism 5 comprises a top plate 501, a bottom plate 502, a threaded rod 503, a rotating rod 506, a first movable block 508, a top rod 510, a sliding block 513, a triangular plate 517 and a lifting tension spring 522, the top and the bottom of one side wall of the radiator 1 are respectively and fixedly connected with the top plate 501 and the bottom plate 502, the threaded rod 503 is rotatably connected between the top plate 501 and the bottom plate 502, a worm wheel 504 is fixedly installed at the upper end of the threaded rod 503, and a worm 505 mutually matched with the worm wheel 504 is rotatably connected with the lower side wall of the top plate 501 through two bearing seats, one end of the worm 505 is fixedly connected with a rotating rod 506, the rotating rod 506 is inserted into the movable sleeve 406 in a sliding manner, the side wall of the rotating rod 506 is provided with a limiting groove 507 matched with the limiting strip 408, the threaded rod 503 is sleeved with a first movable block 508 in a sliding manner, the side wall of the first movable block 508 far away from the radiator 1 is provided with a sliding hole 509, a top rod 510 is inserted into the sliding hole 509 in a sliding manner, a retaining shoulder is arranged on the top rod 510, a limiting spring 511 is fixedly connected between the retaining shoulder and the first movable block 508, the side wall of the first movable block 508 far away from the radiator 1 is fixedly connected with a mounting plate 512, the side wall of the mounting plate 512 near the first movable block 508 is provided with a sliding groove, a sliding block 513 is connected in the sliding groove in a sliding manner, the bottom of the side wall of the sliding block 513 near the top rod 510 is provided with a notch, one end of the top rod 510 abuts against the sliding block 513, the upper end of the sliding block 513 penetrates through the mounting plate 512, and the side wall above the sliding block 513 is arranged in an inclined manner, a dovetail groove 515 is formed in the side wall below the top plate 501, a sliding rod 516 is connected in the dovetail groove 515 in a sliding manner, one end of the sliding rod 516 is fixedly connected with a triangular plate 517 which is matched with the side wall above the sliding block 513 in the direction, and the other end of the sliding rod 516 is fixedly connected with the connecting rod 405;

during actual use, the movable sleeve 406 rotates to drive the rotating rod 506 to rotate, the rotating rod 506 drives the worm 505 to rotate, the worm 505 further drives the worm wheel 504 and the threaded rod 503 to rotate, in the moving process of the connecting rod 405, the sliding rod 516 is driven to move towards the direction of the fan frame 2, at the moment, the triangular plate 517 extrudes the sliding block 513 downwards, the bottom of the sliding block 513 abuts against the bottom of the sliding block, the sliding block 513 extrudes the ejector rod 510 towards the direction of the first moving block 508 while moving downwards, so that one end of the ejector rod 510 is clamped into the threaded groove of the threaded rod 503, when the threaded rod 503 rotates, the moving block 508 moves downwards along the threaded rod 503, and at the moment, the scraping rod 523 moves downwards along the surface of the radiator 1 to scrape off dust on the surface of the radiator 1;

specifically, the bottom of the side wall of the fan frame 2 away from the threaded rod 503 is fixedly connected with a first fixing plate 518, the bottom of the side wall of the heat sink 1 away from the threaded rod 503 is fixedly connected with a second fixing plate 519, a bent rod 520 is fixedly connected above the first fixing plate 518 and the second fixing plate 519, a second moving block 521 is slidably connected onto the bent rod 520, a scraping rod 523 is fixedly connected between the second moving block 521 and the first moving block 508, a lifting tension spring 522 is sleeved on the bent rod 520, and two ends of the lifting tension spring 522 are respectively fixedly connected with the first fixing plate 518 of the second moving block 521;

in practical use, when the scraping rod 523 moves downwards along with the first moving block 508, the second moving block 521 is driven to move downwards, at this time, the second moving block 521 pulls the lifting tension spring 522 along the bent rod, when the first moving block 508 moves to contact with the bottom plate 502, the bottom plate 502 pushes the sliding block 513 upwards along the sliding groove, at this time, the sliding block 513 releases the limitation on the top rod 510, the top rod 510 moves towards the direction away from the first moving block 508 under the action of the limiting spring 511 and is pulled away from the threaded groove of the threaded rod 503, at this time, under the action of the lifting tension spring 522, the second moving block 521 moves towards the dealer along the bent rod 520, the scraping rod 523 and the first moving block 508 move upwards, when the first moving block moves to the top, the upper end of the sliding block 513 pushes against the triangular plate 517 and drives the triangular plate 517 and the sliding rod 516 to move towards the front of the heat sink 1, at this time, the sliding rod 516 drives the moving sleeve 406 and the connecting rod 405 to move synchronously, so that the inner hexagonal ring 407 is separated from the hexagonal block 304, and the choke plate 402 is driven to reset by the transmission of the connecting rod 404 under the action of the connecting rod 405.

Specifically, the power mechanism 3 comprises a first belt pulley 301, a second belt pulley 302 and a hexagonal block 304, the rear side wall of the fan frame 2 is rotatably connected with the first belt pulley 301, the rotating shaft of the first belt pulley 301 is fixedly connected with the rotating shaft of the electric heat dissipation fan, the rear side wall of the fan frame 2 is rotatably inserted with the second belt pulley 302, the rotating shaft of the second belt pulley 302 penetrates through the side wall of the fan frame 2 and is fixedly connected with the hexagonal block 304, and a transmission belt 303 is arranged between the first belt pulley 301 and the second belt pulley 302;

in practical use, when the temperature of the radiator 1 is too high, the fan mounted on the fan frame 2 is started to drive the first belt pulley 301 to rotate, and the second belt pulley 302 starts to rotate through the transmission of the transmission belt 303 to drive the hexagonal block 304 to synchronously rotate;

specifically, the triggering mechanism 4 further comprises a choke plate 402 and an inner hexagonal ring 407, an air inlet slot 401 is formed above the fan frame 2, a long rod is inserted between the side walls of the two ends of the air inlet slot 401 in a rotating manner, the side wall of the long rod is fixedly connected with the choke plate 402, the cross section of the choke plate 402 is in a U-shaped arrangement, one side of the choke plate 402, which is far away from the long rod, is rotatably connected with a connecting rod 404, the other end of the connecting rod 404 is rotatably connected with a connecting rod 405, the other end of the connecting rod 405 is fixedly connected with a lantern ring 409, a movable sleeve 406 is rotatably sleeved in the lantern ring 409, the axes of the movable sleeve 406 and the hexagonal block 304 are collinear, one end of the movable sleeve 406, which is close to the hexagonal block 304, is fixedly connected with the inner hexagonal ring 407 matched with the hexagonal block 304, and the inner wall of the movable sleeve 406 and a limiting strip 408 are integrally formed;

in practical use, if the vent hole of the heat sink 1 is blocked, air pressure between the heat sink 1 and the fan frame 2 is reduced, at this time, the choke plate 402 rotates along the long rod, the connecting rod 405 is driven by the transmission of the connecting rod 404 to move, the connecting rod 405 drives the moving sleeve 406 and the inner hexagonal ring 407 to move towards the direction close to the hexagonal block 304, at this time, the inner hexagonal ring 407 and the hexagonal block 304 are engaged with each other, and the hexagonal block 304 drives the moving sleeve 406 to rotate;

specifically, two sealing plates 403 are fixedly connected to two sides above the air inlet slot 401, and the lower side walls of the two sealing plates 403 abut against two sides of the choke plate 402;

in practical use, the sealing plate 403 can enhance the sealing performance of the choke plate 402, ensure that the choke plate 402 can rotate when the internal air pressure is low, and prevent the external air from supplementing air to the internal space from the gap when the internal air pressure is reduced.

Specifically, a lower side wall of the mounting plate 512 is fixedly connected with a limiting frame 514, and the limiting frame 514 is sleeved at the lower end of the sliding block 513;

in actual use, the limiting frame 514 can prevent the sliding block 513 from falling off from the lower part of the mounting plate 512.

Specifically, the collecting mechanism 6 includes a collecting box 601, a cover plate 602, a reset rod 608, a vertical rod 604 and a trigger block 606, the lower end of the front side wall of the heat sink 1 is fixedly connected with the collecting box 601, the upper end of the collecting box 601 is provided with the cover plate 602, two ends of the upper side wall of the collecting box 601 are provided with two convex blocks, the two convex blocks are close to the side wall of the cover plate 602 and are fixedly connected with two guide rods 603, the two guide rods 603 penetrate through the cover plate 602, the upper side walls of the two ends of the cover plate 602 are respectively and fixedly connected with the two vertical rods 604, one side wall of the vertical rod 604 is fixedly connected with a limit block 605, the upper side of the limit block 605 is rotatably connected with the trigger block 606, a reset tension spring 607 is fixedly connected between the trigger block 606 and the limit block 605, two ends of the cover plate 602 are respectively and fixedly connected with the two reset rods 608, and the other end of the reset rod 608 is fixedly connected with a reset oblique block 609;

in practical use, when the first moving block 508 and the second moving block 521 move downwards, dust on the surface of the heat sink 1 can be scraped, the dust can fall downwards to the upper side of the collecting box 601, the vertical rod 604 can be pushed forwards when the first moving block 508 and the second moving block 521 impact the triggering block 606, at the moment, the cover plate 602 can move along the guide rod 603, dust scraped by the scraping rod 523 can enter the collecting box 601, when the first moving block 508 and the second moving block 521 fall to the bottom, the reset inclined block 609 can be pushed backwards, and the cover plate 602 is driven to reset, so that the function of closing the collecting box 601 is realized, the dust in the collecting box 601 is prevented from being blocked again, and in the process that the first moving block 508 and the second moving block 521 rise, the triggering block 606 can be driven to rotate forwards when contacting the triggering block 606, and the vertical rod 604 cannot be pushed forwards again.

Specifically, the upper side wall of the cover plate 602 is disposed obliquely, and the inclined surface faces the direction of the heat sink 1;

in actual use, the upper side wall of the cover plate 602 will collect the scraped dust at the opening of the collection box 601, so that the subsequent collection is more complete.

The working principle is as follows: in practical use, when the temperature of the heat sink 1 is too high, the fan mounted on the fan frame 2 is started to drive the first belt pulley 301 to rotate, the second belt pulley 302 starts to rotate to drive the hexagonal block 304 to rotate synchronously, if the vent hole of the heat sink 1 is blocked, the air pressure between the heat sink 1 and the fan frame 2 is reduced, at this time, the wind blocking plate 402 rotates along the long rod, the connecting rod 405 moves through the transmission of the connecting rod 404, the connecting rod 405 drives the moving sleeve 406 and the inner hexagonal ring 407 to move towards the hexagonal block 304, at this time, the inner hexagonal ring 407 and the hexagonal block 304 are engaged with each other, the hexagonal block 304 drives the moving sleeve 406 to rotate, the moving sleeve 406 rotates to drive the rotating rod 506 to rotate, the rotating rod 506 drives the worm 505 to rotate, the worm 505 further drives the worm wheel 504 and the threaded rod 503 to rotate, and during the movement of the connecting rod 405, the sliding rod 516 is driven to move towards the direction of the fan frame 2, at the moment, the triangular plate 517 extrudes the sliding block 513 downwards, because the bottom of the sliding block 513 is abutted against, the top rod 510 is extruded towards the direction of the first moving block 508 while the sliding block 513 moves downwards, so that one end of the top rod 510 is clamped into a threaded groove of the threaded rod 503, when the threaded rod 503 rotates, the moving block 508 moves downwards along the threaded rod 503, at the moment, the scraping rod 523 moves downwards along the surface of the heat sink 1 to scrape off accumulated dust on the surface of the heat sink 1, when the scraping rod 523 moves downwards along with the first moving block 508, the second moving block 521 is driven to move downwards, at the moment, the second moving block 521 stretches the lifting tension spring 522 along the bent rod, when the first moving block 508 moves to be in contact with the bottom plate 502, the bottom plate 502 pushes the sliding block 513 upwards along the sliding groove, at the moment, the sliding block 513 removes the limit on the top rod 510, the top rod 510 moves away from the first moving block 508 direction under the action of the limiting spring 511 and is pulled away from the thread groove of the threaded rod 503, at this time, under the action of the lifting tension spring 522, the second moving block 521 moves towards vendors along the bent rod 520, the scraping rod 523 and the first moving block 508 move upwards, when the first moving block moves to the top, the upper end of the sliding block 513 abuts against the triangular plate 517 and drives the triangular plate 517 and the sliding rod 516 to move towards the front of the heat sink 1, at this time, the sliding rod 516 drives the moving sleeve 406 and the connecting rod 405 to move synchronously, so that the inner hexagonal ring 407 is separated from the hexagonal block 304, and the wind blocking plate 402 is driven to reset through the transmission of the connecting rod 404 under the action of the connecting rod 405;

secondly, when the first moving block 508 and the second moving block 521 move downwards, dust on the surface of the heat sink 1 can be scraped, the dust can fall downwards to the upper side of the collecting box 601, the vertical rod 604 can be pushed forwards when the first moving block 508 and the second moving block 521 impact the triggering block 606, the cover plate 602 can move along the guide rod 603 at the moment, dust scraped by the scraping rod 523 can enter the collecting box 601 at the moment, the reset inclined block 609 can be pushed backwards when the first moving block 508 and the second moving block 521 fall to the bottom, and the cover plate 602 is driven to reset, so that the function of closing the collecting box 601 is realized, the dust in the collecting box 601 is prevented from being blocked again, in addition, in the process that the first moving block 508 and the second moving block 521 rise, the triggering block 606 can be driven to rotate when contacting the triggering block 606, and the vertical rod 604 cannot be pushed forwards again

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims. The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.