CN212294488U - Novel roller brush with adjustable diameter for sweeper - Google Patents
Novel roller brush with adjustable diameter for sweeper Download PDFInfo
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- CN212294488U CN212294488U CN202021233953.XU CN202021233953U CN212294488U CN 212294488 U CN212294488 U CN 212294488U CN 202021233953 U CN202021233953 U CN 202021233953U CN 212294488 U CN212294488 U CN 212294488U
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Abstract
The utility model discloses a novel adjustable-diameter rolling brush for a sweeper, which comprises two rolling brush seal plates, wherein an adjusting screw is rotatably installed in the middle of the two rolling brush seal plates, two thread sections with opposite rotating directions are arranged on the adjusting screw, an adjusting sleeve is in threaded connection with the thread sections, a plurality of sleeve hinge seats are uniformly distributed on the periphery of the adjusting sleeve, an adjusting rod is correspondingly and respectively hinged on each left sleeve hinge seat, each adjusting rod is obliquely arranged towards the left end of the adjusting screw, a rolling brush mounting frame is connected on each adjusting rod, and a plurality of strip-shaped rolling brushes are respectively installed outside each rolling brush mounting frame; after the rolling brush is used for a period of time, the abrasion of the brush hair is large, the length of the brush hair is shortened, and the attachment degree between the brush hair and the ground is poor, so that the diameter of the rolling brush is increased by rotating the adjusting screw rod, the attachment degree between the brush hair and the ground is increased, and the cleaning effect is improved; the adjusting mode of the device is convenient, the rolling brush can be prevented from being repeatedly replaced due to abrasion of the brush hair, and time and labor are saved.
Description
Technical Field
The utility model belongs to the technical field of the road cleans, especially, relate to a street sweeper is with adjustable novel round brush of diameter.
Background
In order to maintain the cleanness and tidiness of streets or other public area roads, sundries such as fallen leaves on the streets need to be cleaned regularly, the conventional cleaning is generally completed manually, however, as the urban area is enlarged, the number of streets needing to be maintained is increased, and the manual cleaning cannot meet the requirement. Therefore, in order to reduce the operation and maintenance cost of the environmental sanitation, reduce the working pressure of environmental sanitation workers and guarantee the life safety of the environmental sanitation workers, the sweeper is popularized in the environmental sanitation industry, is an integrated garbage body combining sweeping and dust collection, has the advantages of high working efficiency, low cleaning cost, good cleaning effect, high safety performance, high economic return rate and the like, and is widely applied to the cleaning work of roads in various large, medium and small cities.
The round brush is installed in the bottom of street sweeper, and current round brush often has the problem that brush life is short to round brush mounted position among the prior art is fixed, and after the round brush used a period, the brush hair shortened, and the effect of sweeping the floor worsens.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a novel adjustable-diameter rolling brush for a sweeper, which has the advantages of simple structure, reasonable design and adjustable rolling brush diameter and is used for achieving ideal cleaning effect, is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: the novel roller brush with the adjustable diameter for the sweeper comprises two roller brush seal plates which are arranged oppositely, wherein an adjusting screw is rotatably arranged in the middle of the two roller brush seal plates, a left screw thread section and a right screw thread section which are opposite in thread turning direction are arranged on the adjusting screw, a left adjusting sleeve is in threaded connection with the left screw thread section, a plurality of left sleeve hinge seats are uniformly distributed on the periphery of the left adjusting sleeve, a left adjusting rod is correspondingly and respectively hinged to each left sleeve hinge seat, each left adjusting rod is obliquely arranged towards the left end of the adjusting screw, a right adjusting sleeve is in threaded connection with the right screw thread section, a plurality of right sleeve hinge seats are uniformly distributed on the periphery of the right adjusting sleeve, a right adjusting rod is correspondingly and respectively hinged to each right sleeve hinge seat, and each right adjusting rod is obliquely arranged towards the right end of the adjusting screw; a rolling brush mounting frame is connected between each left adjusting rod and the corresponding right adjusting rod respectively, and a rolling brush hinge seat which is matched and hinged with the corresponding left adjusting rod and the corresponding right adjusting rod is arranged inside each rolling brush mounting frame; a plurality of strip-shaped rolling brushes are mounted outside each rolling brush mounting frame, each strip-shaped rolling brush is arranged along the length of the adjusting screw, the length of each strip-shaped rolling brush is matched with the width of the rolling brush mounting frame, and the strip-shaped rolling brushes are fixedly mounted on the rolling brush mounting frames through screws; the surface of the rolling brush sealing plate is provided with a plurality of adjusting square holes, two ends of each rolling brush mounting frame are respectively provided with an adjusting square block which penetrates through the corresponding adjusting square holes, and the adjusting square blocks can slide outwards or inwards along the corresponding adjusting square holes; the outer ends of the two rolling brush sealing plates are respectively fixedly provided with a rotating shaft seat, one end of the adjusting screw rod extends out of the rotating shaft seat and is provided with an adjusting square head, the adjusting screw rod positioned outside the rotating shaft seat is also provided with a locking nut for fixing the adjusting screw rod on the corresponding rotating shaft seat, and the outer end of the other rotating shaft seat is connected with a driving device for driving the rotating shaft seat to rotate; a plugging and inserting device is arranged between every two adjacent rolling brush mounting frames; the two rolling brush seal plates are relatively and fixedly connected through a fixing device.
As the preferred technical scheme, fixing device is including connecting two fixed optical axis between the round brush shrouding, the both ends of fixed optical axis stretch out respectively and correspond the round brush shrouding outside and fixed mounting have a fixed screw thread axle, fixed optical axis with be provided with the location between the fixed screw thread axle the location circular bead of round brush shrouding, fixed screw thread axle passes through fixation nut and fixes on the round brush shrouding that corresponds.
As the preferred technical scheme, the rolling brush mounting frame is an arc-shaped mounting frame, and all the arc-shaped mounting frames are spliced to form a mounting barrel frame close to a column shape.
As a preferred technical scheme, the plugging and inserting device comprises a mounting groove and a plugging plate which are matched with each other to realize sleeving, the mounting groove is arranged on the side part of one of the rolling brush mounting frames, the plugging plate is fixedly mounted on the corresponding side part of the other rolling brush mounting frame, the plugging plate is sleeved in the corresponding mounting groove, and the plugging plate is a rubber plate; the width of the mounting groove and the blocking plate is adapted to the width of the rolling brush mounting frame.
As a preferred technical scheme, two ends of the adjusting screw rod are connected to the corresponding rotary shaft seats through bearings.
As a preferred technical scheme, the driving device is a chain wheel fixedly connected to the rotating shaft seat, and the chain wheel is connected with a driving motor through a transmission device; two ends of the two rotary shaft seats are provided with mounting arms, and the rotary shaft seats are rotatably mounted on the mounting arms.
By adopting the technical scheme, the novel roller brush with the adjustable diameter for the sweeper comprises two roller brush seal plates which are oppositely arranged, an adjusting screw rod is rotatably arranged in the middle of the two roller brush seal plates, the adjusting screw is provided with a left thread section and a right thread section with opposite thread turning directions, the left thread section is in threaded connection with a left adjusting sleeve, a plurality of left sleeve hinged seats are uniformly distributed on the periphery of the left adjusting sleeve, a left adjusting rod is correspondingly hinged on each left sleeve hinged seat, each left adjusting rod is obliquely arranged towards the left end of the adjusting screw rod, a right adjusting sleeve is in threaded connection with the right thread section, a plurality of right sleeve hinge seats are uniformly distributed on the periphery of the right adjusting sleeve, a right adjusting rod is correspondingly and respectively hinged to each right sleeve hinge seat, and each right adjusting rod is obliquely arranged towards the right end of the adjusting screw rod; a rolling brush mounting frame is connected between each left adjusting rod and the corresponding right adjusting rod respectively, and a rolling brush hinge seat which is matched and hinged with the corresponding left adjusting rod and the corresponding right adjusting rod is arranged inside each rolling brush mounting frame; a plurality of strip-shaped rolling brushes are mounted outside each rolling brush mounting frame, each strip-shaped rolling brush is arranged along the length of the adjusting screw, the length of each strip-shaped rolling brush is matched with the width of the rolling brush mounting frame, and the strip-shaped rolling brushes are fixedly mounted on the rolling brush mounting frames through screws; the surface of the rolling brush sealing plate is provided with a plurality of adjusting square holes, two ends of each rolling brush mounting frame are respectively provided with an adjusting square block which penetrates through the corresponding adjusting square holes, the adjusting square blocks can slide outwards or inwards along the corresponding adjusting square holes, and the adjusting square blocks are fixedly arranged on the rolling brush sealing plate through bolts; the outer ends of the two rolling brush sealing plates are respectively fixedly provided with a rotating shaft seat, one end of the adjusting screw rod extends out of the rotating shaft seat and is provided with an adjusting square head, and the outer end of the other rotating shaft seat is connected with a driving device for driving the rotating shaft seat to rotate; a plugging and inserting device is arranged between every two adjacent rolling brush mounting frames; the utility model has the advantages that: after the round brush used a period, the brush hair wearing and tearing were great, and the length of brush hair shortens, and the laminating degree between this moment and the ground is relatively poor, consequently through rotating adjusting screw increase round brush's diameter for laminating degree between brush hair and the ground increases, improves and cleans the effect. The device has the advantages of simple structure, reasonable design and convenient adjustment mode, can avoid the repeated replacement of the rolling brush due to the abrasion of the brush hair, saves time and labor and has longer service life.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the embodiment of the present invention before diameter adjustment;
FIG. 3 is a schematic structural diagram of the embodiment of the present invention after diameter adjustment;
fig. 4 is a perspective view of an embodiment of the present invention;
in the figure: 1-rolling brush seal plate; 2-adjusting the screw rod; 3-left thread section; 4-right thread section; 5-left adjusting sleeve; 6-a left sleeve hinged seat; 7-left adjusting rod; 8-right adjusting sleeve; 9-right sleeve hinge seat; 10-right adjusting rod; 11-a rolling brush mounting frame; 12-rolling brush hinging seat; 13-strip rolling brush; 14-adjusting the square hole; 15-adjusting the square; 16-a rotary shaft seat; 17-adjusting the square head; 18-a mounting groove; 19-plugging plate; 20-locking the nut; 21-fixing the optical axis; 22-fixed threaded shaft; 23-fixing the nut.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 to 4, the novel roller brush with adjustable diameter for a sweeper comprises two roller brush seal plates 1 which are oppositely arranged, an adjusting screw 2 is rotatably arranged in the middle of the two roller brush seal plates 1, the adjusting screw rod 2 is provided with a left thread section 3 and a right thread section 4 with opposite thread turning directions, a left adjusting sleeve 5 is connected to the left thread section 3 in a threaded manner, a plurality of left sleeve hinge seats 6 are uniformly distributed on the periphery of the left adjusting sleeve 5, a left adjusting rod 7 is correspondingly hinged to each left sleeve hinge seat 6, each left adjusting rod 7 is obliquely arranged towards the left end of the adjusting screw rod 2, a right adjusting sleeve 8 is in threaded connection with the right threaded section 4, a plurality of right sleeve hinge seats 9 are uniformly distributed on the periphery of the right adjusting sleeve 8, each right sleeve hinge seat 9 is correspondingly and respectively hinged with a right adjusting rod 10, and each right adjusting rod 10 is obliquely arranged towards the right end of the adjusting screw rod 2; a rolling brush mounting frame 11 is connected between each left adjusting rod 7 and the corresponding right adjusting rod 10, and a rolling brush hinge base 12 which is matched and hinged with the corresponding left adjusting rod 7 and the corresponding right adjusting rod 10 is arranged inside each rolling brush mounting frame 11; a plurality of strip-shaped rolling brushes 13 are mounted on the outer portion of each rolling brush mounting frame 11, each strip-shaped rolling brush 13 is arranged along the length direction of the adjusting screw 2, the length of each strip-shaped rolling brush 13 is matched with the width of the rolling brush mounting frame 11, and the strip-shaped rolling brushes 13 are fixedly mounted on the rolling brush mounting frames 11 through screws; the surface of the rolling brush seal plate 1 is provided with a plurality of adjusting square holes 14, two ends of each rolling brush mounting frame 11 are respectively provided with an adjusting square block 15 which penetrates through the corresponding adjusting square hole 14, and the adjusting square blocks 15 can slide outwards or inwards along the corresponding adjusting square holes 14; the outer ends of the two rolling brush seal plates 1 are respectively fixedly provided with a rotating shaft seat 16, one end of the adjusting screw rod 2 extends out of the rotating shaft seat 16 and is provided with an adjusting square head 17, the adjusting screw rod 2 positioned outside the rotating shaft seat 16 is also provided with a locking nut 20 for fixing the adjusting screw rod 2 on the corresponding rotating shaft seat 16, and the outer end of the other rotating shaft seat 16 is connected with a driving device for driving the rotating shaft seat 16 to rotate; and a plugging and inserting device is arranged between every two adjacent rolling brush mounting frames 11.
The two rolling brush seal plates 1 are relatively and fixedly connected through a fixing device; fixing device is including connecting two many fixed optical axis 21 between the round brush shrouding 1, the both ends of fixed optical axis 21 stretch out respectively and correspond the round brush shrouding 2 outer and fixed mounting have fixed screw shaft 22, fixed optical axis 21 with be provided with the location between the fixed screw shaft 22 the location circular bead of round brush shrouding, fixed screw shaft passes through fixation nut 23 to be fixed on the round brush shrouding that corresponds. In this embodiment, six fixed optical axes 21 are provided and are uniformly arranged between the two rolling brush seal plates. Through fixing device is used for guaranteeing the stable installation between two round brush shrouding 1, realizes the stable transmission of power.
In the embodiment, the adjusting sleeves and the adjusting rods on the left side and the right side are symmetrically arranged, so that the movement of the two adjusting rods is consistent during adjustment; in the present embodiment, six adjustment rods 7 and 10 are provided, six rolling brush mounts 11 are provided, and six adjustment square holes 14 are provided. Of course more adjustment levers and roller brush mounts 11 may be provided. The adjusting square block is matched with the adjusting square hole, so that the adjusting square block can only slide along the adjusting square hole, and the movement path of the adjusting square block is limited.
The working principle of the embodiment is as follows:
fig. 2 shows a state before the rolling brush diameter is adjusted, which is a state in which the rolling brush diameter is minimum, and the adjusting block 15 is located at the inner end of the adjusting square hole 14. When in adjustment, the rotating shaft seat 16 does not rotate, at the moment, the locking nut 20 is screwed out outwards, the adjusting screw rod and the rotating shaft seat are loosened, then the adjusting square head 17 is rotated through a wrench, the adjusting square head 17 drives the adjusting screw rod 2 to rotate, as the left adjusting sleeve 5 is in threaded connection with the left threaded section 3, the right adjusting sleeve 8 is in threaded connection with the right threaded section 4, and the threads of the left threaded section 3 are opposite to those of the right threaded section 4, at the moment, the left adjusting sleeve 5 moves leftwards along the adjusting screw rod 2, the right adjusting sleeve 8 moves rightwards along the adjusting screw rod 2, so that the left adjusting rod 7 swings inwards, the right adjusting rod 10 swings inwards, the adjusting block 15 on the rolling brush mounting rack 11 is driven to move outwards along the adjusting square hole 14, and as all the rolling brush mounting racks 11 move outwards at the same time, fig. 4 is a state after the diameters of the rolling brushes are adjusted, at this time, the diameters of all the rolling brushes are larger than those in fig. 2, after the adjustment is completed, the locking nut 20 is locked, at this time, the adjusting screw 2 is fixedly connected with the rotary shaft seat 16, the adjusting screw cannot freely rotate, and at this time, the position of the adjusting block is kept still; at this time, the driving device drives the rotating shaft seat 16 to rotate, and the whole device cleans along with the rotation. After the round brush used a period, the brush hair wearing and tearing were great, and the length of brush hair shortens, and the laminating degree between this moment and the ground is relatively poor, consequently through the diameter of rotating adjusting screw 2 increase round brush for the laminating degree increase between brush hair and the ground improves and cleans the effect. The device has the advantages of simple structure, reasonable design and convenient adjustment mode, can avoid the repeated replacement of the rolling brush due to the abrasion of the brush hair, saves time and labor and has longer service life.
The rolling brush mounting frames 11 are arc-shaped mounting frames, all the arc-shaped mounting frames are spliced to form a mounting barrel frame which is close to a column shape, the rolling brush structure before adjustment is shown in fig. 2, the rolling brush structure after adjustment is shown in fig. 4, and the rolling brush structure is close to the column shape.
Because the round brush structure is by a plurality of the combination of round brush mounting bracket 11 constitutes, after adjusting, the gap between two adjacent round brush mounting brackets 11 is great, and this device is used for clearing up the road, there is the raise dust when clearing up, so in order to prevent that the raise dust from entering to inside through the gap between two adjacent round brush mounting brackets 11, and influence the regulation between adjusting screw 2 and the adjusting sleeve, consequently set up shutoff grafting device between two adjacent round brush mounting brackets 11, be used for the shutoff before adjusting or adjust the gap between two adjacent round brush mounting brackets 11 after. The plugging and inserting device comprises a mounting groove 18 and a plugging plate 19 which are matched with each other to realize sleeving, the mounting groove 18 is arranged on the side part of one of the rolling brush mounting frames 11, the plugging plate 19 is fixedly mounted on the corresponding side part of the other rolling brush mounting frame 11, the plugging plate 19 is sleeved in the corresponding mounting groove 18, and the plugging plate 19 is a rubber plate; the width of the mounting groove 18 and the blocking plate 19 is adapted to the width of the roller brush mounting frame 11.
Referring to fig. 2, the roller brush structure before adjustment, in which the blocking plate 19 is substantially completely inserted into the mounting groove 18, and referring to fig. 4, the roller brush structure after adjustment, in which the gap between two adjacent roller brush mounting brackets 11 is large, in which when the roller brush mounting brackets 11 expand outward directly, the blocking plate 19 extends outward along the mounting groove 18, but still covers the gap between the two roller brush mounting brackets 11, and therefore, the blocking plate 19 can extend outward smoothly due to certain flexibility and hardness of the rubber plate. When the diameter of the rolling brush is adjusted to be maximum, the blocking plate 19 is still in the mounting groove 18, and the phenomenon of falling-off cannot occur; when the diameter of the rolling brush is adjusted, the rubber plate can move inwards along the mounting groove, and the phenomenon of falling or pleating cannot occur.
The length of the adjusting square hole 14 is the adjusting range of the diameter of the rolling brush.
Two ends of the adjusting screw rod 2 are connected to the corresponding rotary shaft seats 16 through bearings.
The driving device is a chain wheel fixedly connected to the rotating shaft seat 16, and the chain wheel is connected with a driving motor through a transmission device; mounting arms are mounted at two ends of the two rotary shaft bases 16, and the rotary shaft bases 16 are rotatably mounted on the mounting arms. The driving motor rotates, is transmitted to the chain wheel through the transmission device, transmits power to the rotary shaft seat 16, and drives the rotary shaft seat 16 to rotate, so that the rotary cleaning operation of the device is realized. Taking fig. 2 as an example, the power transmission principle is as follows: the left side the rotatory axle bed 16 rotates the back, drives the left side the round brush shrouding 1 rotates, then because fixing device's setting, power passes through fixing device transmits to the right side on the round brush shrouding 1, then transmits to the right side on the rotatory axle bed 16, the power transmission process is stable.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a novel round brush that diameter is adjustable for street sweeper, its characterized in that: the device comprises two rolling brush seal plates which are oppositely arranged, wherein an adjusting screw is rotatably arranged in the middle of the two rolling brush seal plates, a left screw thread section and a right screw thread section which are opposite in screw thread rotating direction are arranged on the adjusting screw, a left adjusting sleeve is in threaded connection with the left screw thread section, a plurality of left sleeve hinge seats are uniformly distributed on the periphery of the left adjusting sleeve, a left adjusting rod is correspondingly and respectively hinged on each left sleeve hinge seat, each left adjusting rod is obliquely arranged towards the left end of the adjusting screw, a right adjusting sleeve is in threaded connection with the right screw thread section, a plurality of right sleeve hinge seats are uniformly distributed on the periphery of the right adjusting sleeve, a right adjusting rod is correspondingly and respectively hinged on each right sleeve hinge seat, and each right adjusting rod is obliquely arranged towards the right end of the adjusting screw; a rolling brush mounting frame is connected between each left adjusting rod and the corresponding right adjusting rod respectively, and a rolling brush hinge seat which is matched and hinged with the corresponding left adjusting rod and the corresponding right adjusting rod is arranged inside each rolling brush mounting frame; a plurality of strip-shaped rolling brushes are mounted outside each rolling brush mounting frame, each strip-shaped rolling brush is arranged along the length of the adjusting screw, the length of each strip-shaped rolling brush is matched with the width of the rolling brush mounting frame, and the strip-shaped rolling brushes are fixedly mounted on the rolling brush mounting frames through screws; the surface of the rolling brush sealing plate is provided with a plurality of adjusting square holes, two ends of each rolling brush mounting frame are respectively provided with an adjusting square block which penetrates through the corresponding adjusting square holes, and the adjusting square blocks can slide outwards or inwards along the corresponding adjusting square holes; the outer ends of the two rolling brush sealing plates are respectively fixedly provided with a rotating shaft seat, one end of the adjusting screw rod extends out of the rotating shaft seat and is provided with an adjusting square head, the adjusting screw rod positioned outside the rotating shaft seat is also provided with a locking nut for fixing the adjusting screw rod on the corresponding rotating shaft seat, and the outer end of the other rotating shaft seat is connected with a driving device for driving the rotating shaft seat to rotate; a plugging and inserting device is arranged between every two adjacent rolling brush mounting frames; the two rolling brush seal plates are relatively and fixedly connected through a fixing device.
2. The novel roller brush with the adjustable diameter for the sweeper of claim 1, wherein: fixing device is including connecting two fixed optical axis between the round brush shrouding, the both ends of fixed optical axis stretch out respectively and correspond the round brush shrouding outside and fixed mounting have a fixed thread axle, fixed optical axis with be provided with the location between the fixed thread axle the location circular bead of round brush shrouding, fixed thread axle passes through fixation nut to be fixed on the round brush shrouding that corresponds.
3. The novel roller brush with the adjustable diameter for the sweeper of claim 1, wherein: the round brush mounting bracket is the arc mounting bracket, and all arc mounting brackets splice and form the installation bobbin bracket that is close to the column.
4. The novel roller brush with the adjustable diameter for the sweeper of claim 3, wherein: the plugging and inserting device comprises a mounting groove and a plugging plate which are matched with each other to realize sleeving, the mounting groove is arranged on the side part of one of the rolling brush mounting frames, the plugging plate is fixedly mounted on the corresponding side part of the other rolling brush mounting frame, the plugging plate is sleeved in the corresponding mounting groove, and the plugging plate is a rubber plate; the width of the mounting groove and the blocking plate is adapted to the width of the rolling brush mounting frame.
5. The novel roller brush with the adjustable diameter for the sweeper of claim 1, wherein: and two ends of the adjusting screw rod are connected to the corresponding rotary shaft seats through bearings.
6. The novel roller brush with the adjustable diameter for the sweeper of claim 1, wherein: the driving device is a chain wheel fixedly connected to the rotating shaft seat, and the chain wheel is connected with a driving motor through a transmission device; two ends of the two rotary shaft seats are provided with mounting arms, and the rotary shaft seats are rotatably mounted on the mounting arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021233953.XU CN212294488U (en) | 2020-06-29 | 2020-06-29 | Novel roller brush with adjustable diameter for sweeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021233953.XU CN212294488U (en) | 2020-06-29 | 2020-06-29 | Novel roller brush with adjustable diameter for sweeper |
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| Publication Number | Publication Date |
|---|---|
| CN212294488U true CN212294488U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021233953.XU Active CN212294488U (en) | 2020-06-29 | 2020-06-29 | Novel roller brush with adjustable diameter for sweeper |
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| CN (1) | CN212294488U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111636347A (en) * | 2020-06-29 | 2020-09-08 | 康洁科技集团有限公司 | Novel roller brush with adjustable diameter for sweeper |
| KR102567641B1 (en) * | 2023-02-21 | 2023-08-17 | 대구보건대학교산학협력단 | Cleaning, sterilization, and disinfection devices of articles |
| KR102589479B1 (en) * | 2023-02-21 | 2023-10-13 | 대구보건대학교산학협력단 | Dust collector for dental engineering with improved suction structure |
-
2020
- 2020-06-29 CN CN202021233953.XU patent/CN212294488U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111636347A (en) * | 2020-06-29 | 2020-09-08 | 康洁科技集团有限公司 | Novel roller brush with adjustable diameter for sweeper |
| KR102567641B1 (en) * | 2023-02-21 | 2023-08-17 | 대구보건대학교산학협력단 | Cleaning, sterilization, and disinfection devices of articles |
| KR102589479B1 (en) * | 2023-02-21 | 2023-10-13 | 대구보건대학교산학협력단 | Dust collector for dental engineering with improved suction structure |
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