Automatic adjusting rolling brush device for dust collector

Abstract

The invention relates to the technical field of dust collectors, in particular to an automatic adjusting rolling brush device for a dust collector, which comprises a dust collection disc body and a digital display control panel, the dust collection disc body is in a disc shape, and more than three rolling brush structures which are uniformly distributed by taking the central axis of the dust collection disc body as the center are arranged on the lower side of the dust collection disc body; a dust collection structure is arranged between every two adjacent rolling brush structures, one end of an operation handle rod is arranged on the upper side of the dust collection disc body, the other end of the operation handle rod is connected with a dust collection connector, and the dust collection disc body, the rolling brush structures, the rotary connector structures, the operation handle rod, the dust collection structures and the like cooperate and cooperate with one another. The cleaning range of the rolling brush can be adjusted, in addition, rotary rolling brush under the circular area can be achieved under self-driving rotation of the rolling brush sleeve, and therefore multiple rolling brush without omission is achieved in the process that the dust collection disc body moves in a certain direction, and the cleaning effect is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of vacuum cleaners, and in particular to an automatic adjusting roller brush device for a vacuum cleaner. Background Art

[0002] Vacuum cleaners can be divided into vertical, horizontal and portable types according to their structure. The working principle of a vacuum cleaner is that the motor rotates at high speed, sucking air from the suction port to create a certain vacuum in the dust box. The dust enters the dust filter bag in the dust box through the floor brush, connecting pipe, handle, hose and main suction pipe, and the dust is retained in the dust filter bag. Most vacuum cleaners are equipped with a roller brush device for cleaning floors and carpets.

[0003] A roller brush device for a vacuum cleaner with announcement number CN104939748B includes: an upper motor cover; a lower shell, which includes a lower motor cover and a right cover plate, the right cover plate is provided with an axial hole and a through hole, a left bearing is fixed in the through hole; a left cover plate; a drive motor, a drive end of which is fixedly connected to a tooth portion; and a drive wheel, one end of which is fixed with a patch.

[0004] The announcement number is CN217338426U, which is an easily disassembled roller brush structure for a vacuum cleaner. The roller brush structure includes a fixed seat, a telescopic mechanism is provided at the bottom of the fixed seat, a positioning seat is fixedly installed at the bottom of the telescopic mechanism, and a rotating rod positioning mechanism is fixedly installed at the top of the positioning seat.

[0005] However, the cleaning range of the roller brush of the current vacuum cleaner is mostly fixed, and the roller brush cannot be adjusted according to the needs of the cleaning environment. Summary of the invention

[0006] 1. Technical issues to be resolved

[0007] The object of the present invention is to provide an automatically adjustable roller brush device for a vacuum cleaner in order to solve the above-mentioned problem.

[0008] (II) Technical solution

[0009] To achieve the above object, the present invention provides the following technical solutions:

[0010] The present invention provides an automatic adjustment roller brush device for a vacuum cleaner, comprising a dust suction disc body and a digital display control panel, wherein the dust suction disc body is in the shape of a disc, and the lower side of the dust suction disc body is provided with three or more roller brush structures evenly distributed with the central axis as the center, and a dust suction structure is provided between two adjacent roller brush structures, and the upper side of the dust suction disc body is provided with one end of an operating handle rod, and the other end of the operating handle rod is connected with a dust suction joint, and the end of the operating handle rod connected with the dust suction disc body is provided with a rotating connector structure for realizing mutual communication between the dust suction joint and the dust suction structure and for realizing hinged and horizontal rotation connection between the operating handle rod and the dust suction disc body;

[0011] The roller brush structure includes a motor, which is fixed on the dust collector body through a fixed seat. The output shaft end of the motor is connected to a plug-in shaft, and a roller brush sleeve is detachably provided on the plug-in shaft. A linear drive structure for driving the roller brush sleeve to move along its axial direction is provided in the plug-in shaft. The output end of the digital display control panel is electrically connected to the input end of the motor.

[0012] Furthermore, a roller brush groove for cooperating and rotating with the roller brush sleeve in a one-to-one correspondence is provided on the bottom side of the dust suction disc body, an inner shaft rod is fixedly provided at the center position of the roller brush sleeve, and a plug-in channel for cooperating and slidingly connecting with the plug-in shaft is opened at the central axis of the inner shaft rod, and the linear drive structure includes an electric telescopic rod fixedly arranged in the inner shaft rod, a push rod head end of the electric telescopic rod and a connecting channel opened at the end of the inner shaft rod are cooperated and connected with each other, an adjustment groove is opened at one end of the inner shaft rod close to the connecting channel, and a fixing bolt for tightening and fixing the push rod head end of the electric telescopic rod in the connecting channel is threadedly connected to the end of the inner shaft rod located at the adjustment groove, and the output end of the digital display control panel is electrically connected to the input end of the electric telescopic rod.

[0013] Furthermore, the dust suction structure includes a dust suction head, the cross-section of the dust suction head is in the shape of an arc, a cleaning brush is arranged on one side of the bottom of the dust suction head, one end of a dust suction duct is connected to each dust suction head, and the other end of the dust suction duct is connected to each other by a rotating connector structure.

[0014] Furthermore, an outer sleeve pad is provided on the outer side of the operating handle rod, and a plurality of evenly distributed anti-slip rings are provided on the outer side of the outer sleeve pad along its axial direction, and the digital display control panel is arranged on the operating handle rod.

[0015] Furthermore, the rotating connector structure includes one end of a support tube fixedly arranged on the dust collection disc body, and the other end of the support tube is rotatably connected to a rotating seat on the outer side through a sealed bearing, a U-shaped groove is provided on the upper side of the rotating seat, a rotating column is rotatably arranged in the U-shaped groove, and ventilation channels are provided in the rotating column and the operating handle rod, one end of the ventilation channel is connected to the dust collection joint, and the other end of the ventilation channel is open and the opening is connected to the rotating seat through a telescopic connecting tube, a connecting air hole for connecting the telescopic connecting tube and the support tube to each other is provided on the rotating seat, and a sealing retaining ring for movably sealingly abutting against the outer wall of the support tube is provided on the bottom side of the rotating seat, and the support tube and the dust collection duct are connected to each other.

[0016] Furthermore, more than three universal movable wheels are arranged on the lower side of the dust collector body along its circumferential direction, wherein the bottom side height position of the dust collector head is higher than the bottom side height position of the universal movable wheels, and the bottom side height position of the universal movable wheels is higher than the bottom side height position of the roller brush cover.

[0017] Furthermore, it also includes a cleaning seat structure for cleaning the roller brush cover, the cleaning seat structure includes a cleaning box, the cleaning box has a cylindrical shape, the interior of the cleaning box is hollow and the upper side is open, the outer side of the dust collection disc body is provided with an outer edge plate for cooperating with the upper side opening of the cleaning box, and the cleaning seat structure is provided with a brushing structure for brushing the roller brush cover.

[0018] Furthermore, the brushing structure includes a central support column, and a cleaning seat cylinder is arranged on the outer side of the central support column, which is evenly distributed with the central support column as the center and corresponds one to one with the roller brush sleeve. The cross-sectional shape of the cleaning seat cylinder is an arc shape, and a liquid passing groove is opened in the middle position of the bottom side of the cleaning seat cylinder. A plurality of cleaning brushes are arranged on the inner wall of the cleaning seat cylinder, and one end of the cleaning seat cylinder is fixedly connected to the inner wall of the cleaning box.

[0019] Furthermore, a liquid spray pipe for spraying water toward the interior of each cleaning seat cylinder is provided on one side of the upper portion, one end of the liquid spray pipe is connected to the central support column, a liquid inlet pipe is connected to one side of the bottom of the cleaning box, a liquid guide channel for connecting the liquid inlet pipe and the liquid spray pipe to each other is formed on the central support column and the inner bottom surface of the cleaning box, and a liquid discharge pipe for discharging the liquid inside the cleaning box is connected to one side of the bottom of the cleaning box.

[0020] Furthermore, the lower side of the outer edge plate is formed with more than three evenly distributed triangular clamping tables along its edge, the upper edge of the cleaning box is provided with triangular clamping grooves corresponding to the triangular clamping tables one by one, and the lower side protrusion of the outer edge plate is provided with an annular embedded ring for positioning and fitting with the inner side of the upper opening of the cleaning box. When the triangular clamping tables and the triangular clamping grooves are connected in a one-to-one corresponding manner, the roller brush sleeve is connected in a one-to-one corresponding manner with the cleaning seat cylinder.

[0021] (III) Beneficial effects

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The cleaning range of the roller brush can be adjusted by the coordination and cooperation between the dust collecting disc, the roller brush structure, the rotating connector structure, the operating handle and the dust collecting structure. In addition, the roller brush can be rotated in a circular area under the self-driven rotation of the roller brush cover, so that when the dust collecting disc moves in a certain direction, multiple roller brushes can be left out without omission, greatly improving the cleaning effect.

[0024] 2. The rotating connector structure has three functions. The first function is to realize the hinge connection between the dust collecting disc and the operating handle rod. The second function is to realize the horizontal rotation support of the dust collecting disc on the ground. The third function is to realize the mutual connection between the dust collecting structure and the dust collecting connector in the above two cases.

[0025] 3. The cleaning seat structure can clean the roller brush cover, and when the roller brush cover is rotating in the cleaning seat cylinder, the cleaning brush and the spray pipe can cooperate to clean the impurities on the outside of the roller brush cover in all directions;

[0026] 4. The cleaning brush can sweep the impurities on the ground, so that when the vacuum cleaner head absorbs dust and impurities, the impurity particles can be uniformly located at the mouth of the vacuum cleaner head, achieving a better vacuuming effect;

[0027] 5. The roller brush structure and the dust suction structure are arranged alternately with each other, so that the dust suction structure can absorb and clean dust and impurities while the roller brush of the roller brush structure is cleaning, which greatly improves the cleaning effect of the ground. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0029] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0030] Figure 2 The present invention Figure 1 Schematic diagram of the three-dimensional structure;

[0031] Figure 3 The present invention Figure 2 A schematic diagram of the local enlarged structure at B;

[0032] Figure 4 The present invention Figure 1 AA cross-sectional structural diagram;

[0033] Figure 5 The present invention Figure 4 A schematic diagram of the local enlarged structure at C;

[0034] Figure 6 The present invention Figure 4 A schematic diagram of the local enlarged structure at D;

[0035] Figure 7 The present invention Figure 1 A schematic diagram of a three-dimensional structure in another direction;

[0036] Figure 8 The present invention Figure 7 A schematic diagram of the local enlarged structure at E;

[0037] Fig. 9It is a schematic diagram of the cross-sectional structure of the roller brush structure of the present invention.

[0038] The reference numerals are as follows: 1. dust collecting disc; 101. outer edge plate; 102. annular embedded ring; 103. triangular card table; 104. roller brush groove; 105. universal moving wheel; 2. roller brush structure; 201. inner shaft rod; 202. roller brush sleeve; 203. plug-in shaft; 204. guide strip; 205. guide groove; 206. plug-in channel; 207. adjustment groove; 208. electric telescopic rod; 209. connecting channel; 210. tightening bolt; 211. motor; 212. fixed seat; 3. rotating connector structure; 301. rotating seat; 302. U-shaped groove; 303. rotating column; 304. sealing retaining ring; 305. telescopic connecting pipe ; 306, connecting air hole; 307, sealing bearing; 308, ventilation channel; 309, support tube; 4, operating handle rod; 401, outer cover pad; 402, anti-slip ring; 403, dust suction joint; 5, cleaning seat structure; 501, cleaning box; 502, drain pipe; 503, liquid inlet pipe; 504, cleaning seat cylinder; 505, liquid trough; 506, cleaning brush; 507, liquid spray pipe; 508, filter screening plate; 509, screening hole slot; 510, central support column; 511, liquid guide channel; 512, triangular card slot; 6, dust suction structure; 601, dust suction head; 602, dust suction duct; 603, cleaning brush; 7, digital display control panel. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical scheme and advantages of the present invention clearer, the technical scheme of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] See also Figure 1-Figure 9 As shown, the present invention provides an automatic adjustment roller brush device for a vacuum cleaner, comprising a dust collecting disc body 1 and a digital display control panel 7. The dust collecting disc body 1 is disc-shaped in shape. The lower side of the dust collecting disc body 1 is provided with more than three roller brush structures 2 evenly distributed with the central axis as the center. A dust collecting structure 6 is provided between two adjacent roller brush structures 2. In actual application, during the process of the roller brush structure 2 cleaning the ground, the dust and impurities generated during the cleaning process can be absorbed and processed by the dust collecting structure 6. One end of an operating handle rod 4 is provided on the upper side of the dust collecting disc body 1, and the other end of the operating handle rod 4 is connected to a dust collecting joint 403. The end of the operating handle rod 4 connected to the dust collecting disc body 1 is provided with a rotating connector structure 3 for realizing the connection between the dust collecting joint 403 and the dust collecting structure 6 and for realizing the hinged and horizontal rotation connection between the operating handle rod 4 and the dust collecting disc body 1.

[0041] See the instruction manual Figure 4 , Figure 6 and Fig. 9 As shown, the roller brush structure 2 includes a motor 211, which is fixed on the dust collector body 1 through a fixed seat 212. The output shaft end of the motor 211 is connected to the plug-in shaft 203, and the roller brush sleeve 202 is detachably provided on the plug-in shaft 203. A linear drive structure for driving the roller brush sleeve 202 to move along its axial direction is provided in the plug-in shaft 203, and the output end of the digital display control panel 7 is electrically connected to the input end of the motor 211. The bottom side of the dust collector body 1 is provided with a roller brush groove 104 for rotating in a one-to-one corresponding manner with the roller brush sleeve 202, an inner shaft rod 201 is fixedly provided at the center position of the roller brush sleeve 202, and a plug-in channel 206 for slidingly connecting with the plug-in shaft 203 is provided at the central axis of the inner shaft rod 201, and the linear drive structure includes an electric telescopic rod 208 fixedly arranged in the inner shaft rod 201, and the push rod head end of the electric telescopic rod 208 is connected to the connecting channel 209 provided at the end of the inner shaft rod 201. An adjustment groove 207 is provided at one end of the inner shaft rod 201 close to the connecting channel 209, and a fixing bolt 210 is threadedly connected to the end of the inner shaft rod 201 located at the adjusting groove 207 for fixing the push rod head end of the electric telescopic rod 208 in the connecting channel 209, and the output end of the digital display control panel 7 is electrically connected to the input end of the electric telescopic rod 208. In actual application, when disassembling the roller brush sleeve 202, loosen the fixing bolt 210 to abut the push rod head end of the electric telescopic rod 208, so that the inner shaft rod 201 can slide axially relative to the plug-in shaft 203, so that the inner shaft rod 201 and the roller brush sleeve 202 can be disassembled and separated from the inner shaft rod 201, wherein more than two guide grooves 205 are provided on the inner side wall of the plug-in channel 206, and the extension direction of the guide groove 205 is consistent with the axial direction of the plug-in shaft 203, and a guide bar 204 for guiding the sliding with the guide groove 205 is provided on the outer side wall of the plug-in shaft 203, wherein the guide bar 204 and the guide groove 205 cooperate to guide the movement of the inner shaft rod 201 along the axial direction of the plug-in shaft 203, and also to provide torque support for the plug-in shaft 203 to rotate the inner shaft rod 201 axially.

[0042] See the instruction manual Figure 2 , Figure 5 , Figure 7 and Figure 8As shown, the dust suction structure 6 includes a dust suction head 601, the cross-section of the dust suction head 601 is in an arc shape, a cleaning brush 603 is arranged on one side of the bottom of the dust suction head 601, and one end of a dust suction duct 602 is connected to each dust suction head 601, and the other end of the dust suction duct 602 is connected to each other by a rotating connector structure 3. Through the above-mentioned specific structural design, the cleaning brush 603 can sweep the impurities on the ground, so that when the dust suction head 601 absorbs dust impurities, the impurity particles can be uniformly located at the mouth of the dust suction head 601, achieving a better dust suction effect.

[0043] An outer sleeve 401 is sleeved on the outer side of the operating handle rod 4 , and a plurality of evenly distributed anti-slip rings 402 are arranged on the outer side of the outer sleeve 401 along its axial direction. The digital display control panel 7 is arranged on the operating handle rod 4 .

[0044] See the instruction manual Figure 2 , Figure 4 and Figure 5 As shown, the rotating connector structure 3 includes one end of a support tube 309 fixedly arranged on the dust collector body 1, and the other end of the support tube 309 is rotatably connected to a rotating seat 301 through a sealing bearing 307 on the outer side, a U-shaped groove 302 is provided on the upper side of the rotating seat 301, a rotating column 303 is rotatably arranged in the U-shaped groove 302, and a ventilation channel 308 is provided in the rotating column 303 and the operating handle rod 4, one end of the ventilation channel 308 is connected to the dust collector joint 403, and the other end of the ventilation channel 308 is open and connected to the rotating seat 301 through a telescopic connecting tube 305, a connecting air hole 306 for connecting the telescopic connecting tube 305 and the support tube 309 to each other is provided on the rotating seat 301, a sealing retaining ring 304 for movably sealingly abutting against the outer wall of the support tube 309 is provided on the bottom side of the rotating seat 301, and the support tube 309 is connected to the dust collector duct 602. In practical applications, the rotating connector structure 3 has three functions. The first function is to realize the hinge connection between the dust collector body 1 and the operating handle rod 4. The second function is to realize the horizontal rotation of the dust collector body 1 on the ground. The third function is to realize the mutual connection between the dust collector structure 6 and the dust collector connector 403 in the above two cases.

[0045] The lower side of the dust collector body 1 is provided with more than three universal movable wheels 105 along its circumferential direction, wherein the bottom side height position of the dust collector head 601 is higher than the bottom side height position of the universal movable wheel 105 , and the bottom side height position of the universal movable wheel 105 is higher than the bottom side height position of the roller brush cover 202 .

[0046] The automatic adjustment roller brush device for the vacuum cleaner further comprises a cleaning seat structure 5 for cleaning the roller brush sleeve 202, the cleaning seat structure 5 comprises a cleaning box 501, the cleaning box 501 is cylindrical in shape, the interior of the cleaning box 501 is hollow and the upper side is open, the outer side of the dust collecting disc body 1 is provided with an outer edge plate 101 for cooperating with the upper side opening of the cleaning box 501, and a brushing structure for brushing the roller brush sleeve 202 is provided in the cleaning seat structure 5. The brushing structure comprises a central support column 510, the outer side of the central support column 510 is provided with a cleaning seat cylinder 504 uniformly distributed around the central support column 510 and corresponding to the roller brush sleeve 202 one by one, the cross-section of the cleaning seat cylinder 504 is in an arc shape, a liquid-passing groove 505 is provided at the middle position of the bottom side of the cleaning seat cylinder 504, a plurality of cleaning brushes 506 are provided on the inner side wall of the cleaning seat cylinder 504, and one end of the cleaning seat cylinder 504 is fixedly connected to the inner side wall of the cleaning box 501. A liquid spray pipe 507 for spraying water toward the interior is provided on one side of the upper part of each cleaning seat tube 504, one end of the liquid spray pipe 507 is connected to the central support column 510, and a liquid inlet pipe 503 is connected to one side of the bottom of the cleaning box 501. The central support column 510 and the inner bottom surface of the cleaning box 501 are formed with a liquid guide channel 511 for connecting the liquid inlet pipe 503 and the liquid spray pipe 507 to each other, and a liquid discharge pipe 502 for discharging the internal liquid of the cleaning box 501 is connected to one side of the bottom of the cleaning box 501. The lower side of the outer edge plate 101 is formed with more than three evenly distributed triangular clamping platforms 103 along its edge, and the upper side edge of the cleaning box 501 is provided with a triangular clamping groove 512 corresponding to the triangular clamping platform 103 one by one. The lower side protrusion of the outer edge plate 101 is provided with an annular insert ring 102 for positioning and fitting with the inner side of the upper opening of the cleaning box 501. When the triangular clamping platform 103 and the triangular clamping groove 512 are connected in a one-to-one correspondence, the roller brush sleeve 202 is connected in a one-to-one correspondence with the cleaning seat cylinder 504.

[0047] Working principle and technical effect of the present invention:

[0048] The dust collecting disc 1 is pushed and moved on the ground by holding the operating handle rod 4. During the dust collecting process, the operating handle rod 4 is hinged to the dust collecting disc 1 through the rotating connecting head structure 3, so that the dust collecting disc 1 can be pushed and moved from different operating angles. When the roller brush cover 202 of the roller brush structure 2 contacts the ground, the output shaft of the motor 211 rotates to drive the plug-in shaft 203 to rotate, and the plug-in shaft 203 rotates to drive the roller brush cover 202 on its outer side to rotate, so that the ground can be brushed when the roller brush cover 202 rotates, and due to the friction between the roller brush cover 202 and the ground, the dust collecting disc 1 can be pushed to rotate horizontally relative to the rotating connecting head structure 3 by friction, thereby realizing a circular roller brush, and at this time, the dust collecting structure 6 can play a role in dust collection. In addition, the electric telescopic rod 208 drives the roller brush cover 202 along the inner shaft rod 20 During the axial adjustment movement, the rolling brush range of the rolling brush sleeve 202 can be adjusted. During the rolling brush suction process, the dust suction disc body 1 is placed in the cleaning box 501 of the cleaning seat structure 5, and the rolling brush sleeves 202 are embedded in the cleaning seat cylinder 504 one by one. At this time, the motor 211 drives the rolling brush sleeve 202 to rotate again. During the rotation of the rolling brush sleeve 202 in the cleaning seat cylinder 504, the cleaning brush 506 and the liquid spraying pipe 507 cooperate to clean the impurities on the outside of the rolling brush sleeve 202. The waste liquid impurities generated by cleaning fall into the cleaning box 501 through the liquid passing groove 505. A filtering screen plate 508 can be arranged in the cleaning box 501. A plurality of screening hole slots 509 are opened on the filtering screen plate 508, so that the waste liquid generated by cleaning can be filtered, and the impurities are left on the filtering screen plate 508, and the water is discharged from the drain pipe 502.

[0049] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. An automatically adjustable roller brush device for a vacuum cleaner, characterized in that: The utility model comprises a dust collecting disc body (1) and a digital display control panel (7), wherein the dust collecting disc body (1) is in the shape of a disc, and the lower side of the dust collecting disc body (1) is provided with three or more roller brush structures (2) evenly distributed around its axis, and a dust collecting structure (6) is provided between two adjacent roller brush structures (2); the upper side of the dust collecting disc body (1) is provided with one end of an operating handle rod (4), and the other end of the operating handle rod (4) is connected to a dust collecting joint (403); the end of the operating handle rod (4) connected to the dust collecting disc body (1) is provided with a rotating connector structure (3) for realizing mutual communication between the dust collecting joint (403) and the dust collecting structure (6) and for realizing hinged and horizontally rotating connection between the operating handle rod (4) and the dust collecting disc body (1); The roller brush structure (2) comprises a motor (211), the motor (211) being fixedly arranged on the dust collecting disc body (1) via a fixing seat (212), the output shaft end of the motor (211) being connected to a plug-in shaft (203), a roller brush sleeve (202) being detachably arranged on the plug-in shaft (203), a linear drive structure for driving the roller brush sleeve (202) to move along its axial direction being arranged inside the plug-in shaft (203), and the output end of the digital display control panel (7) being electrically connected to the input end of the motor (211).

2. The automatic adjustment roller brush device for a vacuum cleaner according to claim 1, characterized in that: The bottom side of the dust collecting disc body (1) is provided with a roller brush groove (104) for rotating in a one-to-one corresponding manner with the roller brush sleeve (202); an inner shaft rod (201) is fixedly provided at the center position of the roller brush sleeve (202); a plug-in channel (206) for slidingly connecting with the plug-in shaft (203) is provided at the center axis of the inner shaft rod (201); the linear drive structure comprises an electric telescopic rod (208) fixedly provided in the inner shaft rod (201); a push rod head end of the electric telescopic rod (208) is connected to the inner shaft rod (201); The connecting channels (209) opened at the ends of the rod (201) are matched and connected to each other, and an adjustment groove (207) is opened at one end of the inner shaft rod (201) close to the connecting channel (209), and the end of the inner shaft rod (201) located at the adjustment groove (207) is threadedly connected with a fixing bolt (210) for fixing the push rod head end of the electric telescopic rod (208) in the connecting channel (209), and the output end of the digital display control panel (7) is electrically connected to the input end of the electric telescopic rod (208).

3. The automatic adjusting roller brush device for a vacuum cleaner according to claim 1, characterized in that: The dust suction structure (6) comprises a dust suction head (601), the cross-section of the dust suction head (601) is in the shape of an arc, a cleaning brush (603) is arranged on one side of the bottom of the dust suction head (601), and each dust suction head (601) is connected to one end of a dust suction duct (602), and the other end of the dust suction duct (602) is connected to each other by a rotating connector structure (3).

4. The automatic adjusting roller brush device for a vacuum cleaner according to claim 1, characterized in that: The outer side of the operating handle rod (4) is sleeved with an outer sleeve (401), and the outer side of the outer sleeve (401) is provided with a plurality of evenly distributed anti-slip rings (402) along its axial direction. The digital display control panel (7) is arranged on the operating handle rod (4).

5. The automatic adjusting roller brush device for a vacuum cleaner according to claim 1, characterized in that: The rotary connector structure (3) comprises a support tube (309) having one end fixedly arranged on the dust collecting disc body (1); the other end of the support tube (309) is rotatably connected to a rotary seat (301) via a sealing bearing (307); a U-shaped groove (302) is provided on the upper side of the rotary seat (301); a rotary column (303) is rotatably arranged in the U-shaped groove (302); a ventilation channel (308) is provided in the rotary column (303) and the operating handle (4); one end of the ventilation channel (308) is connected to the dust collecting connector ( 403) are connected to each other, the other end of the ventilation channel (308) is open and the opening is connected to the rotating seat (301) through the telescopic connecting pipe (305), the rotating seat (301) is provided with a connecting air hole (306) for connecting the telescopic connecting pipe (305) and the support pipe (309) to each other, the bottom side of the rotating seat (301) is provided with a sealing ring (304) for movably sealingly abutting against the outer wall of the support pipe (309), and the support pipe (309) is connected to the dust suction duct (602).

6. The automatic adjusting roller brush device for a vacuum cleaner according to claim 1, characterized in that: The lower side of the dust collector body (1) is provided with more than three universal movable wheels (105) along its circumferential direction, wherein the bottom side height position of the dust collector head (601) is higher than the bottom side height position of the universal movable wheels (105), and the bottom side height position of the universal movable wheels (105) is higher than the bottom side height position of the roller brush cover (202).

7. The automatic adjusting roller brush device for a vacuum cleaner according to claim 1, characterized in that: The invention also comprises a cleaning seat structure (5) for cleaning the roller brush cover (202), the cleaning seat structure (5) comprising a cleaning box (501), the cleaning box (501) being cylindrical in shape, the interior of the cleaning box (501) being hollow and having an upper opening, the outer side of the dust collecting disc body (1) being provided with an outer edge plate (101) for cooperating with the upper opening of the cleaning box (501), and a brushing structure for brushing the roller brush cover (202) being provided inside the cleaning seat structure (5).

8. The automatic adjusting roller brush device for a vacuum cleaner according to claim 7, characterized in that: The scrubbing structure comprises a central support column (510), and a cleaning seat cylinder (504) is arranged on the outer side of the central support column (510) and is evenly distributed around the central support column and corresponds to the roller brush sleeve (202) one by one. The cross-section of the cleaning seat cylinder (504) is in the shape of an arc. A liquid passage groove (505) is provided at the middle position of the bottom side of the cleaning seat cylinder (504). A plurality of cleaning brushes (506) are arranged on the inner side wall of the cleaning seat cylinder (504), and one end of the cleaning seat cylinder (504) is fixedly connected to the inner side wall of the cleaning box (501).

9. The automatic adjusting roller brush device for a vacuum cleaner according to claim 7, characterized in that: A liquid spray pipe (507) for spraying liquid toward the inside of each cleaning seat tube (504) is provided on one side of the upper part thereof, one end of the liquid spray pipe (507) is connected to the central support column (510), a liquid inlet pipe (503) is connected to one side of the bottom of the cleaning box (501), a liquid guide channel (511) for connecting the liquid inlet pipe (503) and the liquid spray pipe (507) is formed on the inner bottom surface of the central support column (510) and the cleaning box (501), and a liquid discharge pipe (502) for discharging liquid from the inside of the cleaning box (501) is connected to one side of the bottom of the cleaning box (501).

10. The automatic adjusting roller brush device for a vacuum cleaner according to claim 8, characterized in that: The lower side of the outer edge plate (101) is formed with more than three evenly distributed triangular clamping platforms (103) along its edge, the upper side edge of the cleaning box (501) is provided with triangular clamping grooves (512) corresponding one-to-one to the triangular clamping platforms (103), and the lower side protrusion of the outer edge plate (101) is provided with an annular insert ring (102) for positioning and matching with the inner side of the upper side opening of the cleaning box (501). When the triangular clamping platforms (103) and the triangular clamping grooves (512) are matched and connected one-to-one, the roller brush sleeve (202) is matched and connected with the cleaning seat cylinder (504) one-to-one.

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