CN214118020U

CN214118020U - Automatic rolling shutter door

Info

Publication number: CN214118020U
Application number: CN202023055134.3U
Authority: CN
Inventors: 蒋子杰; 赵金标; 蒋玉; 卢信敏; 冯莉娜
Original assignee: Hangzhou Kangxun Construction Co ltd
Current assignee: Hangzhou Kangxun Construction Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-09-03
Anticipated expiration: 2030-12-16

Abstract

The application relates to an automatic rolling door, which relates to the technical field of rolling door equipment and comprises two brackets, a rolling door and a scroll, wherein the two brackets are vertically and fixedly connected on the ground, the scroll is arranged at the top position between the two brackets, and the two ends of the scroll are respectively rotatably connected with the two supports, the rolling door is slidably connected between the two supports, one end of the rolling door close to the scroll is fixedly connected with the scroll, one end of the side wall of each support close to the scroll is provided with a rolling brush assembly along the width direction of the rolling door, each rolling brush assembly comprises a roller brush, a first rotating shaft and a first fixing plate, the first fixing plates are respectively and vertically and fixedly connected with the side walls of the two supports, the two ends of each first rotating shaft are respectively rotatably connected with the two first fixing plates, the roller brushes are sleeved on the first rotating shafts, the length of the roller brushes is the same as the width of the rolling door, and one side of the roller brushes close to the rolling door is tightly attached to the surface of the rolling door. This application has the rolling slats door from the clean mechanism in area easily with the clean effect in rolling slats door whole surface.

Description

Automatic rolling shutter door

Technical Field

The application relates to the technical field of rolling door equipment, in particular to an automatic rolling door.

Background

At present, the roller shutter door is widely applied, such as a door surface, a warehouse, a shopping mall and the like, the roller shutter door becomes one of main stream products of doors in an urban ground floor, but because the roller shutter door is in long-term contact with the outside for a long time, the surface of the roller shutter door is very easy to be polluted by dust, the roller shutter door needs to be cleaned frequently, in the conventional cleaning process, a cleaning agent is usually sprayed on the roller shutter door manually, then cleaning cloth is used for wiping the roller shutter door, and the cleaning process is time-consuming and labor-consuming.

But patent of current patent publication number CN206942595U and patent name be a patent of self-cleaning's rolling slats door, decide the frame including week, the equal fixedly connected with fixed axle in both sides of fixed frame inner chamber, two swing joint has the spool between the week dead axle, the surperficial swing joint of spool has the rolling slats door, the bottom of rolling slats door is run through fixed frame and is extended to the outside of fixed frame, the axis department week at fixed frame inner chamber top is decided and is connected with the motor case, the inside of motor case is provided with the motor, the first gear of output shaft fixedly connected with of motor, the both ends of first gear all mesh there is the second gear, the fixedly connected with threaded rod is located in the axle center of second gear, the threaded rod is kept away from the surface of second gear one end and has been cup jointed the thread bush, the bottom fixedly connected with brush of threaded bush.

The utility model discloses a setting of motor can drive first gear and second gear revolve to the brush on the drive threaded rod removes and clears up the dust on rolling slats door surface, because the motor sets up in rolling slats door width direction's intermediate position department, and the motor need pass through control gear, the threaded rod and the simultaneous control both sides brush remove and carry out the dust clearance, the second gear meshes in first gear both sides, lead to the unable position of removing between two second gears of brush, therefore the brush is difficult to clean rolling slats door width direction's intermediate position department.

In view of the above-mentioned related art, the inventor believes that there is a defect that the cleaning mechanism of the roller shutter itself is difficult to clean the whole surface of the roller shutter.

SUMMERY OF THE UTILITY MODEL

In order to improve the rolling slats door and make sure that the clean mechanism of taking is difficult to the clean defect in rolling slats door whole surface, this application provides an automatic rolling slats door.

The application provides an automatic rolling slats door adopts following technical scheme:

an automatic rolling door comprises two supports, two rolling doors and a scroll, wherein the two supports are vertically and fixedly connected to the ground, the scroll is arranged at the top position between the two supports, two ends of the scroll vertically penetrate through the two supports respectively, the scroll is rotatably connected with the supports, the rolling doors are slidably connected between the two supports, and one end, close to the scroll, of each rolling door is fixedly connected with the scroll;

the utility model discloses a rolling brush, including support lateral wall, first fixed plate, first pivot, first fixed plate is equipped with two, and two the one end that the support lateral wall is close to the spool is equipped with the round brush subassembly along rolling door width direction, the round brush subassembly includes roller brush, first pivot, first fixed plate is equipped with two, and two first fixed plate perpendicular fixed connection respectively is on two supports to the lateral wall, two first pivot both ends are worn to locate respectively in two first fixed plates, just first pivot rotates with first fixed plate to be connected, on the first pivot is located to roller brush cover, roller brush length is the same with the rolling door width, one side that the roller brush is close to the rolling door closely laminates in the rolling door surface.

Through adopting above-mentioned technical scheme, the rolling shaft drives the rolling door and reciprocates during rolling door switch, and on first pivot was located to the roller brush cover, first pivot was fixed in the support through first fixed plate on, and the roller brush was close to one side of rolling door and is closely laminated in the rolling door surface, consequently when the rolling door reciprocated, the roller brush can carry out the dust clearance to the rolling door surface, because roller brush length is the same with the rolling door width, therefore the roller brush can carry out the dust clearance to whole rolling door surface.

Optionally, the reel both ends fixedly connected with first runner, first reel both ends fixedly connected with second runner, sliding connection has first drive belt on first runner lateral wall and the second runner lateral wall.

Through adopting above-mentioned technical scheme, because first pivot rotation is connected on first fixed plate, through the transmission cooperation of first runner, second runner, first drive belt, when the reel rotates the drive roll-up door switch, first runner can drive the synchronous rotation of cylinder brush, can make the brush of each position of cylinder brush all participate in the clearance of dust, avoid accumulating too much dust in the brush gap of same position and weaken the cleaning action of cylinder brush to the roll-up door, be favorable to clean the whole surface of roll-up door totally.

Optionally, one side of the rolling brush assembly, which is far away from the scroll, is provided with an impact device for impacting the rolling door along the width direction of the rolling door, two ends of the impact device are fixedly connected to the side wall of the support, which is close to one side of the first fixing plate, two ends of the impact device are in transmission connection with the first rotating shaft, and the first rotating shaft drives the impact device to impact the rolling door.

Through adopting above-mentioned technical scheme, first pivot drive percussion device strikes the roll-up door, and percussion device can shake the dust of attaching tighter through the vibrations that strike the roll-up door production and send the roll-up door surface, is favorable to being located the round brush subassembly of percussion device top clean up the dust.

Optionally, the impact device includes two second fixing plates, a supporting plate, a second rotating shaft, impact assemblies, and a cam, the two second fixing plates are respectively disposed on the side walls of the brackets, where the first fixing plate is far away from the reel, the two second fixing plates are respectively vertically and fixedly connected to the side walls of the two brackets, the supporting plate is disposed between the two second fixing plates along the width direction of the rolling door, two ends of the supporting plate are respectively vertically and fixedly connected to one end of the second fixing plate, which is close to the rolling door, of the side wall, the top surface of the supporting plate is fixedly connected with a plurality of impact assemblies at equal intervals, the number of impact assemblies is at least three, and the plurality of impact assemblies are disposed along the direction perpendicular to the rolling door;

the utility model discloses a rolling door, including first fixed plate, second pivot, first pivot, second pivot both ends wear to locate two second fixed plates respectively and keep away from the one end of rolling door, just the second pivot rotates with the second fixed plate and is connected, second pivot both ends are connected with first pivot transmission, correspond a plurality of cams of fixedly connected with in the position of striking subassembly in the second pivot, cam lateral wall butt is in the one end that the rolling door was kept away from to the striking subassembly, cam drive striking subassembly striking rolling door.

Through adopting above-mentioned technical scheme, first pivot drives the second pivot and rotates, and the second pivot drives the cam and rotates, and the arch on the cam makes striking subassembly horizontal migration when the cam rotates, and the one end that the striking subassembly is close to the roll-up door collides with the roll-up door surface to shake the dust of pasting tighter on the roll-up door surface and send, be favorable to the round brush subassembly clean up the dust.

Optionally, the impact assembly includes an impact block, a transmission rod, a fixed block, a sliding sheet and a spring, the bottom surface of the fixed block is fixedly connected to the top surface of the supporting plate, the fixed block is hollow, the transmission rod penetrates through the middle positions of the side walls on the two sides of the fixed block in the width direction along the length direction of the fixed block, one end of the transmission rod close to the rolling door is fixedly connected with the impact block, and the other end of the transmission rod far away from the rolling door abuts against the side wall of the cam;

the sliding sheet is sleeved on the transmission rod positioned in the fixed block, the spring is fixedly connected to the inner side wall of the fixed block on one side close to the rolling door, and the other end of the spring, far away from the rolling door, is fixedly connected with one side, close to the rolling door, of the sliding sheet.

Through adopting above-mentioned technical scheme, the striking piece strikes the roll-up door under the drive of cam, the spring compression stores the energy this moment, when the cam continues to rotate, the energy that the spring release was stored makes transfer line and fixed block horizontal migration to initial position, be favorable to the cam to drive the striking subassembly repeatedly, thereby strike the roll-up door many times at the in-process that the roll-up door goes up and down, and the position that is struck on the roll-up door is all inequality, consequently, be favorable to shaking the attached tighter dust of roll-up door whole surface and send, be favorable to the brush subassembly with the dust clean up of roll-up door whole surface.

Optionally, a third rotating wheel is fixedly connected to the two ends of the first rotating shaft on one side, away from the roller brush, of the second rotating wheel, a fourth rotating wheel is fixedly connected to the two ends of the second rotating shaft, and a second driving belt is connected to the side wall of the third rotating wheel and the side wall of the fourth rotating wheel in a sliding mode.

By adopting the technical scheme, the impacting device can impact the surface of the rolling door to generate impact and vibration, and the transmission mode of belt transmission between the first rotating shaft and the second rotating shaft is stable, so that the vibration can be buffered and absorbed, and the stable operation of the impacting device and the rolling brush component is facilitated.

Optionally, one side that the round brush subassembly was kept away from to percussion device is equipped with the frid, the frid sets up along rolling door width direction, just fixedly connected with locating piece on frid width direction's the lateral wall, wear to be equipped with lifting unit in the locating piece, lifting unit is worn to locate in the locating piece by locating piece bottom surface central point department along locating piece direction of height, the locating piece rotates with lifting unit to be connected, lifting unit sets up along support direction of height, lifting unit one end fixed connection is in second fixed plate bottom surface, lifting unit other end fixed connection is in the bottom that the support is close to second fixed plate one side lateral wall.

By adopting the technical scheme, because the rolling brush component is in the process of impacting the rolling brush and the impacting device, part of dust directly falls off from the surface of the rolling door, the groove plate is arranged below the rolling brush component and the impacting device and used for collecting most of the falling dust, and the possibility that the dust is attached to the surface of the rolling door again in the falling process is reduced.

Optionally, the lifting assembly comprises a third fixing plate, a fourth fixing plate and a lead screw, the top surface of the third fixing plate is fixedly connected with the bottom surface of the second fixing plate, the side wall of the fourth fixing plate is fixedly connected to the bottom of the bracket close to the side wall of one side of the second fixing plate, the lead screw is arranged between the third fixing plate and the fourth fixing plate along the height direction of the bracket, one end of the lead screw is rotatably connected to the bottom surface of the third fixing plate, the other end of the lead screw is rotatably connected to the top surface of the fourth fixing plate, a positioning block sleeve is arranged on the lead screw, the positioning block is rotatably connected with the lead screw, and the lead screw is close to one end of the hand wheel fixedly connected with the fourth fixing plate.

Through adopting above-mentioned technical scheme, the technical staff can make locating piece and frid go up and down along the lead screw through rotating the hand wheel to can clear up the dust of collecting in the frid, avoid in the frid dust to collect and overflow the frid and pollute the rolling door once more after full.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the roller drives the rolling door to move up and down when the rolling door is opened and closed, the roller brush is sleeved on the first rotating shaft, the first rotating shaft is fixed on the support through the first fixing plate, one side, close to the rolling door, of the roller brush is tightly attached to the surface of the rolling door, and therefore when the rolling door moves up and down, the roller brush can clean dust on the surface of the rolling door.

2. The first rotating shaft drives the impact device to impact the rolling door, and the impact device can shake and convey dust tightly attached to the surface of the rolling door through vibration generated by impacting the rolling door, so that dust can be cleaned up by the rolling brush component positioned above the impact device.

3. The impact block impacts the rolling door under the driving of the cam, the spring compresses and stores energy, and when the cam continues to rotate, the spring releases the stored energy to enable the transmission rod and the fixed block to horizontally move to the initial position, so that the impact assembly can be driven by the cam repeatedly, and the rolling door can be impacted for many times in the lifting process of the rolling door.

Drawings

Fig. 1 is a first schematic structural diagram of an automatic rolling door in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of an automatic rolling door in the embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a shown in fig. 2 in the embodiment of the present application.

Figure 4 is a cross-sectional view of the impact assembly shown in figure 3 in an embodiment of the present application.

Fig. 5 is a schematic structural diagram three of the automatic rolling door in the embodiment of the present application.

Description of reference numerals: 1. a support; 2. rolling doors; 3. a reel; 4. a roll brush assembly; 5. a percussion device; 7. a lifting assembly; 31. a first runner; 32. a first drive belt; 41. a roller brush; 42. a first rotating shaft; 43. a first fixing plate; 51. a second fixing plate; 52. a support plate; 53. a second rotating shaft; 54. an impact assembly; 55. a cam; 61. a groove plate; 62. positioning blocks; 71. a third fixing plate; 72. a fourth fixing plate; 73. a screw rod; 74. a hand wheel; 421. a second runner; 422. a third rotating wheel; 423. a second belt; 531. a fourth rotating wheel; 541. an impact block; 542. a transmission rod; 543. a fixed block; 544. a sliding sheet; 545. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses an automatic rolling slats door. Referring to fig. 1, automatic rolling slats door includes support 1, and support 1 is equipped with two and two equal vertical fixation in support 1 subaerial, and sliding connection has rolling slats door 2 between the support 1, and there is the extension at support 1 top, wears to be equipped with spool 3 between the extension at support 1 top, and spool 3 both ends all pierce through support 1 perpendicularly, and rolling slats door 2 top and spool 3 weld, and when control spool 3 automatic rotation, rolling slats door 2 is driven automatic rising by spool 3.

In order to clean up the dust on the whole surface of the rolling door 2 when the scroll 3 drives the rolling door 2 to automatically lift, a rolling brush component 4 is arranged below the scroll 3, the rolling brush component 4 comprises first fixing plates 43, the first fixing plates 43 are provided with two parts and are positioned on the same horizontal plane, the two first fixing plates 43 are respectively and vertically welded below the extending parts of the two brackets 1, one ends, far away from the brackets 1, of the two first fixing plates 43 are provided with first through holes, first rotating shafts 42 penetrate through the first through holes of the two first fixing plates 43, roller brushes 41 are sleeved at the middle positions of the length directions of the first rotating shafts 42, the length of the roller brushes 41 is the same as the width of the rolling door 2, one sides, close to the rolling door 2, of the roller brushes 41 are tightly attached to the surface of the rolling door 2, and the bristles on the surface of the roller brushes 41 are preferably horse hair.

First runner 31 has been welded at the 3 both ends of spool, second runner 421 has been welded at the 42 both ends of first pivot, first runner 31 and second runner 421 radius, thickness is the same, sliding connection has first drive belt 32 on first runner 31 and the second runner 421, first drive belt 32 is annular tensioning belt, when spool 3 rotates, first runner 31 rotates along with spool 3 simultaneously, first runner 31 makes first drive belt 32 and second runner 421 rotate through frictional force, thereby make second runner 421 drive first pivot 42 and rotate, the synchronous rotation of the last cylinder brush 41 of first pivot 42, the brush hair homoenergetic that makes each position on cylinder brush 41 can play the effect of clearance dust.

Referring to fig. 2 and 3, in order to better clean dust on the rolling door 2, an impact device 5 for impacting the surface of the rolling door 2 is arranged below the roller brush assembly 4, the dust attached to the surface of the rolling door 2 is loosened by impact generated by the impact, which is beneficial for cleaning the roller brush assembly 4 above, the impact device 5 includes two second fixing plates 51, the two second fixing plates 51 are arranged on the same horizontal plane, the two second fixing plates 51 are vertically welded below the first fixing plate 43, one ends of the two second fixing plates 51 far away from the bracket 1 are both provided with second through holes, second rotating shafts 53 are arranged in the second through holes of the two second fixing plates 51, the lengths and the radiuses of the second rotating shafts 53 and the first rotating shafts 42 are the same, third rotating wheels 422 are welded at positions far away from the roller brush 41 at two ends of the first rotating shafts 42, and the radiuses and the thicknesses of the third rotating wheels 422 are the same as those of the second rotating wheels 421, the welding of second pivot 53 both ends has fourth runner 531, fourth runner 531 radius, thickness and third runner 422 are the same, sliding connection has second drive belt 423 on third runner 422 and fourth runner 531, second drive belt 423 also is the annular tensioning belt, therefore when second pivot 53 rotated, third runner 422 followed second pivot 53 and rotated simultaneously, third runner 422 made second drive belt 423 and fourth runner 531 rotate through frictional force, thereby make second pivot 53 rotate, equidistant cover is equipped with a plurality of cams 55 in the second pivot 53, be equipped with eleven cams 55 in this embodiment, be equipped with a arch on the cam 55.

The bottom of one end of the second fixing plate 51 close to the bracket 1 is welded with a supporting plate 52, the supporting plate 52 is rectangular flat steel, the top surface of the supporting plate 52 is welded and fixed with a plurality of impact assemblies 54 corresponding to the position of the cam 55, and one end of the impact assembly 54 far away from the rolling door 2 is abutted against the side wall of the cam 55.

Referring to fig. 4, the impact assembly 54 includes a fixing block 543, the fixing block 543 is a hollow square block, a transmission rod 542 penetrates through the fixing block 543, the transmission rod 542 is a cylindrical rod, the transmission rod 542 penetrates through the center position of the side wall of the fixing block 543 in the width direction, one end of the transmission rod 542 close to the rolling door 2 is fixedly connected with the impact block 541, the impact block 541 is a square solid block, the transmission rod 542 is fixedly connected to the center position of the side wall of the impact block 541 far away from the rolling door 2, one end of the transmission rod 542 far away from the rolling door 2 in the fixing block 543 is sleeved with a sliding piece 544, the sliding piece 544 is a rectangular piece and is parallel to the rolling door 2, a spring 545 is disposed in the fixing block, the spring 545 is sleeved on the transmission rod 542, one end of the spring 545 is fixedly connected to one end of the sliding piece 544 close to the rolling door 2, and the other end of the spring 545 is fixedly connected to the side wall of the fixing block 543 close to the rolling door 2.

Referring to fig. 5, a groove plate 61 for collecting dust is arranged below the second rotating shaft 53, a positioning block 62 is welded on the outer side wall of the groove plate 61 in the width direction, the positioning block 62 is a square block, a threaded hole is formed in the central position of the top surface of the positioning block 62, a third fixing plate 71 is welded on the bottom surface of the second fixing plate 51, a lead screw 73 is rotatably connected to the central position of the bottom surface of the third fixing plate 71, the lead screw 73 is arranged in the height direction of the bracket 1, a fourth fixing plate 72 is perpendicularly welded on the side wall of the bottom of the bracket 1 on the side of the third fixing plate 71, one end of the lead screw 73, which is far away from the third fixing plate 71, is perpendicularly rotatably connected to the central position of the fourth fixing plate 72, a hand wheel 74 which is convenient for an operator to rotate the lead screw 73 is fixedly connected to one end of.

The implementation principle of an automatic rolling slats door in this application embodiment does:

step one, in the process that the rolling shaft 3 rotates to drive the rolling door 2 to lift, the roller brush 41 on the first rotating shaft 42 synchronously rotates to clean dust on the whole surface of the rolling door 2, the cam 55 on the second rotating shaft 53 also synchronously rotates to drive the impact assembly 54 to impact the rolling door 2, so that the dust tightly attached to the rolling door 2 is loosened by impact under the vibration effect of the impact, and then the rolling door 2 is cleaned by the roller brush 41.

Step two, collecting the dust falling in the cleaning process through the groove plate 61, wherein after the groove plate 61 collects certain dust, an operator can operate the hand wheel 74 to enable the groove plate 61 to descend along the height direction of the screw rod 73, then process the dust in the groove plate 61, and after the processing is finished, operate the hand wheel 74 to enable the groove plate 61 to ascend to a proper position for collection again.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An automatic rolling slats door which characterized in that: the automatic winding device comprises two supports (1), two rolling doors (2) and two rolling shafts (3), wherein the two supports (1) are vertically and fixedly connected to the ground, the rolling shafts (3) are arranged at the top position between the two supports (1), two ends of each rolling shaft (3) are vertically penetrated in the two supports (1), the rolling shafts (3) are rotatably connected with the supports (1), the rolling doors (2) are slidably connected between the two supports (1), and one ends, close to the rolling shafts (3), of the rolling doors (2) are fixedly connected with the rolling shafts (3);

one end that support (1) lateral wall is close to spool (3) is equipped with round brush subassembly (4) along rolling door (2) width direction, round brush subassembly (4) include roller brush (41), first pivot (42), first fixed plate (43) are equipped with two, and two first fixed plate (43) perpendicular fixed connection respectively is on two supports (1) to the lateral wall, wear to locate in two first fixed plates (43) respectively at first pivot (42) both ends, just first pivot (42) rotate with first fixed plate (43) and are connected, roller brush (41) cover is located on first pivot (42), roller brush (41) length is the same with rolling door (2) width, one side close laminating in rolling door (2) surface that roller brush (41) are close to rolling door (2).

2. An automatic rolling door according to claim 1, characterized in that: reel (3) both ends fixedly connected with first runner (31), first pivot (42) both ends fixedly connected with second runner (421), sliding connection has first driving belt (32) on first runner (31) lateral wall and second runner (421) lateral wall.

3. An automatic rolling door according to claim 1, characterized in that: one side that reel (3) were kept away from in round brush subassembly (4) is equipped with along rolling door (2) width direction and is used for striking percussion device (5) of rolling door (2), percussion device (5) both ends fixed connection is on support (1) is close to the lateral wall of first fixed plate (43) one side, percussion device (5) both ends are connected with first pivot (42) transmission, first pivot (42) drive percussion device (5) striking rolling door (2).

4. An automatic rolling door according to claim 3, characterized in that: the impact device (5) comprises a second fixing plate (51), a supporting plate (52), a second rotating shaft (53), an impact assembly (54) and a cam (55), two second fixing plates (51) are arranged, the two second fixing plates (51) are respectively arranged on the side walls of the two brackets (1), which is far away from the reel (3), of the first fixing plate (43), the two second fixing plates (51) are respectively vertically and fixedly connected to the side walls of the two brackets (1), the supporting plate (52) is arranged between the two second fixing plates (51) along the width direction of the rolling door (2), two ends of the supporting plate (52) are respectively vertically and fixedly connected with one end of the opposite side wall of the second fixing plate (51) close to the rolling door (2), a plurality of impact components (54) are fixedly connected to the top surface of the supporting plate (52) at equal intervals, at least three impact assemblies (54) are arranged, and a plurality of impact assemblies (54) are arranged along the direction vertical to the rolling door (2);

the utility model discloses a rolling door, including first pivot (42), second pivot (53), first fixed plate (51), second pivot (53) and second fixed plate (51), second pivot (53) both ends wear to locate respectively that two second fixed plates (51) keep away from the one end of rolling door (2), just second pivot (53) rotate with second fixed plate (51) to be connected, second pivot (53) both ends are connected with first pivot (42) transmission, correspond a plurality of cams (55) of position fixedly connected with that strike subassembly (54) on second pivot (53), the one end of rolling door (2) is kept away from in striking subassembly (54) to cam (55) lateral wall butt, cam (55) drive striking subassembly (54) striking rolling door (2).

5. An automatic rolling door according to claim 4, characterized in that: the impact assembly (54) comprises an impact block (541), a transmission rod (542), a fixed block (543), a sliding sheet (544) and a spring (545), the bottom surface of the fixed block (543) is fixedly connected to the top surface of the supporting plate (52), the fixed block (543) is hollow inside, the transmission rod (542) penetrates through the center positions of the side walls of the two sides of the fixed block (543) in the width direction along the length direction of the fixed block (543), one end of the transmission rod (542) close to the rolling door (2) is fixedly connected with the impact block (541), and the other end of the transmission rod (542) far away from the rolling door (2) abuts against the side wall of the cam (55);

the sliding sheet (544) is sleeved on a transmission rod (542) located in the fixed block (543), the spring (545) is fixedly connected to the inner side wall of the fixed block (543) close to one side of the rolling door (2), and the other end of the spring (545) far away from the rolling door (2) is fixedly connected with one surface of the sliding sheet (544) close to the rolling door (2).

6. An automatic rolling door according to claim 4, characterized in that: first pivot (42) both ends are kept away from one side fixedly connected with third runner (422) of roller brush (41) in second runner (421), second pivot (53) both ends fixedly connected with fourth runner (531), sliding connection has second drive belt (423) on third runner (422) lateral wall and fourth runner (531) lateral wall.

7. An automatic rolling door according to claim 4, characterized in that: one side that round brush subassembly (4) were kept away from in percussion device (5) is equipped with frid (61), frid (61) set up along rolling door (2) width direction, just fixedly connected with locating piece (62) on frid (61) width direction's the lateral wall, wear to be equipped with lifting unit (7) in locating piece (62), lifting unit (7) are worn to locate in locating piece (62) along locating piece (62) direction of height by locating piece (62) bottom surface central point department, locating piece (62) rotate with lifting unit (7) and are connected, lifting unit (7) set up along support (1) direction of height, lifting unit (7) one end fixed connection is in second fixed plate (51) bottom surface, lifting unit (7) other end fixed connection is in the bottom that support (1) is close to second fixed plate (51) one side lateral wall.

8. An automatic rolling door according to claim 7, characterized in that: the lifting component (7) comprises a third fixing plate (71), a fourth fixing plate (72) and a screw rod (73), the top surface of the third fixing plate (71) is fixedly connected with the bottom surface of the second fixing plate (51), the side wall of the fourth fixing plate (72) is fixedly connected with the bottom of the side wall of the bracket (1) close to the second fixing plate (51), the screw rod (73) is arranged between the third fixing plate (71) and the fourth fixing plate (72) along the height direction of the bracket (1), one end of the screw rod (73) is rotatably connected with the bottom surface of the third fixing plate (71), the other end of the screw rod (73) is rotatably connected to the top surface of the fourth fixing plate (72), the positioning block (62) is sleeved on the screw rod (73), and the positioning block (62) is rotationally connected with a screw rod (73), and one end of the screw rod (73) close to the fourth fixing plate (72) is fixedly connected with a hand wheel (74).