CN202073062U - Rolling type sweeping dust cart integrating broom and dustpan - Google Patents
Rolling type sweeping dust cart integrating broom and dustpan Download PDFInfo
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- CN202073062U CN202073062U CN2011200366306U CN201120036630U CN202073062U CN 202073062 U CN202073062 U CN 202073062U CN 2011200366306 U CN2011200366306 U CN 2011200366306U CN 201120036630 U CN201120036630 U CN 201120036630U CN 202073062 U CN202073062 U CN 202073062U
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Abstract
The utility model relates to a rolling type sweeping dust cart integrating a broom and a dustpan, which has the advantages of simple and practical structure, easiness, convenience and flexibility in operation, as well as low cost. The dust cart mainly comprises five parts, i.e. a wheel component arranged at the wheel part, a rolling type sweeping component, a transmission and support component, a sloping dustbin component and an auxiliary sweeping component. When the dust cart is pushed or towed back and forth, power generated by the rolling of wheels is transmitted to the rolling type sweeping component through the transmission and support component with a one-way transmission mechanism; an elastic sweeping member rolling in a single direction clings to the ground under elasticity to sweep garbage; and the garbage is lifted, pushed and swept into a dustbin body through a slope. The dust cart can be operated in three ways: 1, the dust cart is moved forward; 2, the dust cart is towed back and forth; and 3, garbage at corners, the edges of sidewalks and steps as well as hollows is pushed and swept into the sweeping range of the rolling type sweeping component through the auxiliary sweeping component. Operators can flexibly choose different ways of operation according to different ground and garbage conditions.
Description
Technical field
The utility model relates to a kind of mechanical transmission, the tumbling-type garbage truck for cleaning of specifically a kind of besom, dustpan unification.
Background technology
Along with the progress of society, along with the fast development of China's urbanization and green city's process, along with the raising that the mankind require hygienic conditions, the contradiction of a large amount of rubbish human and that produce at any time (artificial with rubbish fallen leaves etc.) highlights.The clean-up performance on city or a certain area road, ground more and more embodies its civilization and taste, embodies the quality of human hygienic conditions.At present, China is as follows to the major technique situation of road and ground refuse cleaning: 1) sweeping rubbish automobile.1. be that " electric cleaner " main bowl-type with rotation of 97110977.X is swept the floor after device assembles rubbish as the patent No., use the dust suction principle again, finish and assemble and the whole cleaning process of lifting rubbish in the rubbish inspiration railway carriage.2. the patent No. be 200720028265.8 " electric cleaner " main with rotation crawler type cleaning brush limit with the rubbish polymerization, the limit promotes rubbish and be sent in the railway carriage with belt mechanism.2) mainly use the poor efficiency of besom and dustpan sweeping rubbish, the original method that falls behind by the cleaner.
The utility model content
Main purpose of the present utility model is to want to provide the tumbling-type garbage truck for cleaning of a kind of besom of original creation, dustpan unification, with simple and practical structure, cheap manufacturing cost and use cost and easy and operation flexibly realize rubbish assemble, promote and the dustbin of making a gift to someone in, finish whole cleaning process, both remedied the deficiency (can only operation on spacious and rather spacious road) of sweeping rubbish automobile, can improve efficient, the quality of cleaning ground refuse again easily, effectively with the method for machinery, the method for the original cleaning ground refuse that change poor efficiency, falls behind.
In order to reach above-mentioned main purpose, the utility model is realized by following technical proposals.
The technical solution of the utility model mainly is made up of vehicle wheel component, tumbling-type cleaning assembly, transmission and supporting component, inclined-plane dustbin assembly and auxiliary cleaning assembly five parts such as (in case of necessity), realizes the unification of besom and dustpan.Chain sprocket transmission mechanism by transmission and supporting component or belt belt wheel transmission mechanism pass to tumbling-type cleaning assembly in the same way with the wheel of vehicle wheel component, supports support and adjustment tumbling-type cleaning module position by transmission and supporting component, inclined-plane dustbin assembly is arranged on the back of tumbling-type cleaning assembly, is placed on the wheel shaft and vehicle frame of vehicle frame or vehicle wheel component.Handgrip is connected on the vehicle frame.Auxiliary cleaning assembly is connected on the support member of transmission and supporting component or on certain position of vehicle, is placed in the side of tumbling-type cleaning assembly, becomes outer splayed.
1) vehicle wheel component: vehicle wheel component mainly is made up of two wheels and a part such as wheel shaft, and two wheels are arranged on the two ends and the axle motions cooperation of wheel shaft.
2) tumbling-type cleaning assembly: the form of structure of tumbling-type cleaning assembly has two kinds: a kind of is that cleaning item is connected indirectly with turning cylinder, and another kind is that cleaning item directly is connected with turning cylinder.1. connect indirectly: the cleaning item of tumbling-type cleaning assembly mainly is connected with turning cylinder by clamping element and tumbler.Turning cylinder can be parallel with the wheel shaft of vehicle wheel component, tumbler is a radial part or with the radial one group of part that is connected on turning cylinder two ends or certain correct position of turning cylinder, cleaning item is the part (can be whole, can be made by thin shape thing) of elasticity or flexible sheet, cylindric or other shapes.The type of attachment of clamping element and tumbler has two kinds: a kind of is that rigidity was connected on the tumbler after clamping element clamped cleaning item; Another kind is that the elasticity by elastic device connects behind the clamping element clamping cleaning item.The structure that elasticity connects can be like this: one or one group of tumbler one end radially are connected on the turning cylinder, the tumbler other end axially place is provided with circular hole, circular hole is fixed with the narrow meshed tegillum in center outward, be mounted with stage clip in the circular hole, little connector is arranged on the stage clip, the aperture that little connector passes tegillum is limited in the circular hole, and can do a certain moving axially in circular hole.The end that little connector exposes is connecting the connector that has radial slot, and inserted in the radial slot of two corresponding connectors, by holding screw tightening clamping element and cleaning item at two ends after clamping element clamped cleaning item.Clamping element can move axially with little connector.When tumbler was radial part, the axial positions in the radiation item end was provided with elastic connecting device.2. directly connect: the cleaning item of tumbling-type cleaning assembly directly is connected with turning cylinder.Cleaning item is flexible sheet or pencil part (can be whole, can be made by thin shape thing).Its structure can be: process several grooves at hollow turning cylinder axial location, sheet shape elasticity cleaning item is attached on the turning cylinder after passing the groove location.Also can be: the elasticity cleaning item of many pencils or sheet radially be connected on the turning cylinder.
3) transmission and supporting component: transmission and supporting component mainly are made up of the parts such as follower, driving member and support member of main driving wheel, Bands one-way driving mechanism.Main driving wheel is connected in the lateral wheel of vehicle wheel component, with one heart, the follower of Bands one-way driving mechanism is connected in the turning cylinder end of tumbling-type cleaning assembly, make the driving wheel follower of driving-belt one-way driving mechanism in the same way by driving member, one end of support member is provided with axis hole, cooperate with the turning cylinder end motion of tumbling-type cleaning assembly, the other end of support member is fixed on the wheel shaft of vehicle wheel component after adjusting tumbling-type cleaning module position or on certain correct position of vehicle, back-up roller dynamic formula cleaning assembly.The follower of band one-way driving mechanism can be to use the flywheel of doing unidirectional transmission (sprocket wheel) on bicycle/rickshaw, or is similar to the belt wheel of doing unidirectional transmission of bicycle/rickshaw flywheel, or makes the sprocket wheel or the belt wheel of unidirectional transmission.Transmission and supporting component can be monolateral or both sides transmission and back-up roller dynamic formula cleaning assembly, or monolateral transmission both sides back-up roller dynamic formula cleaning assembly.
4) inclined-plane dustbin assembly: inclined-plane dustbin assembly mainly is made up of parts such as inclined-plane part and rubbish casings.But the inclined plane shape cambered surface of inclined-plane part, can face directly or both combinatorial surfaces, the leading section on inclined-plane can be provided with flexure strip, and ground is pressed close to/touched to lower end.The inclined-plane part is arranged on the back of tumbling-type cleaning assembly, adjust the position with tumbling-type cleaning assembly after, be fixed and go up in place.The rubbish casing is arranged on the back, inclined-plane, is positioned on the vehicle frame.In case of necessity, external for preventing that rubbish from being scanned out dustbin by bullet, can baffle plate be set in rubbish casing front upper part position.Inclined-plane part and the rubbish casing is capable of being combined is integral.In order to improve the volume that collects rubbish, can in the rubbish casing, be provided with and hang down the high case two parts of case and back before tilt clapboard is divided into the rubbish casing; High rubbish casing two parts of low rubbish casing and back before also the rubbish casing can being made.The header board of the high rubbish casing of the back plate of preceding low rubbish casing or the back plate of preceding low rubbish casing and back is hang plate, also can be upright plate, and the high rubbish casing in back is placed in preceding low casing back.Inclined-plane part and preceding low rubbish casing can be formed one.
5) auxiliary cleaning assembly: auxiliary cleaning assembly mainly is made up of parts such as outer panel and auxiliary cleaning items.Outer panel is connected on the support member of transmission and supporting component or on certain correct position of vehicle, auxiliary cleaning item is tool elasticity or flexible tabular or pencil or other shape part (can be whole, can be made by thin shape thing), is fixed on the outer panel.
By said structure, when moving vehicle made wheel rolling, the power that wheel rolling produced made all cleaning items of tumbling-type cleaning assembly do single roll by transmission and supporting component.When cleaning item is elastic part, mainly at cleaning item elastic force when directly connecting (be rigidly connected or) or under cleaning item elastic force and spring force combination (when elasticity is connected) act on, the cleaning item close proximity to ground is implemented the operation of tumbling-type cleaning ground refuse, and is close to the inclined-plane and rubbish is pushed away from ground sweeps and rise to the inclined-plane topmost.When cleaning item left the top, inclined-plane, because the inclined-plane reaction force disappears, rubbish was pushed in the rubbish casing that is arranged on part back, inclined-plane by bullet.When cleaning item was flexible part, centrifugal force and its deadweight when mainly rotating by cleaning item touched the ground sweeping rubbish, and by the inclined-plane rubbish is pushed away sweep, promote and the dustbin of making a gift to someone in.When being provided with hang plate in the rubbish casing, can make vehicle is the front portion that fulcrum lifts car with the rear wheel, and the rubbish before making in the low case slips in the high case in back along hang plate.Before being divided into, the rubbish casing during the high rubbish casing two parts in low rubbish casing and back, can make similar operations, or low rubbish casing is poured the rubbish in it in high rubbish casing in back into before directly mentioning.
The method of operation mainly contains three kinds.A kind ofly be: the vehicle that travels forward is done the operation of sweeping rubbish; Second kind is: drag the operation that vehicle carries out sweeping rubbish back and forth.Because vehicle has Bands that the follower of one-way driving mechanism is arranged, and makes tumbling-type cleaning assembly only make one-directional rotation, when dragging vehicle back and forth, cleaning item can continuously and be accelerated to rotate, and makes cleaning work.Also be because vehicle has Bands that the follower of one-way driving mechanism is arranged, when vehicle is turned operation, can not block cleaning item (when both sides transmission tumbling-type cleaning assembly), influence operation because the rotating speed of inside and outside two wheels is different.The third is: push away in the swept scope of sweeping to tumbling-type cleaning assembly with the rubbish of auxiliary cleaning assembly with corner, sidewalk/step edge and recess.The operator can select different operational methods, flexible operating for use according to different ground and ground refuse situation.Can make the tumbling-type garbage truck for cleaning of besom diversified in specifications, dustpan unification, be applicable to many occasions that the sweeping rubbish automobile can not be done some things, use very extensive.Such as, narrow road surface, slow lane, lane, sidewalk in city He Xian, the town, narrow road surface in scenic spot and the park, road in the resident community and sidewalk, the occasions such as passage of occasion are assembled in square, parking lot and all kinds of market, various exhibition, fair, fair, athletic meeting etc.Add it simple and practical, manufacturing cost and use cost is cheap,
Convenient and flexible operation is convenient to large tracts of land and is used and promote, and also changes the method for backwardness that broom adds dustpan, original cleaning ground refuse to the full extent, improves sweeping efficiency and quality, reduces labor intensity.
Below in conjunction with accompanying drawing the utility model optimum implementation is described.
Description of drawings
Fig. 1 is the tumbling-type garbage truck for cleaning of hand propelled four-wheel besom, dustpan unification, is the front schematic view of one of the utility model optimum implementation;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is a kind of tumbling-type cleaning modular construction schematic diagram of optimum pattern;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is the tumbling-type cleaning modular construction schematic diagram of another kind of optimum pattern;
Fig. 6 is the B-B sectional view of Fig. 5.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done following detailed description the in detail.
Illustrated in figures 1 and 2 is the schematic diagram of one of the utility model optimum implementation.It mainly is made up of vehicle wheel component 1, tumbling-type cleaning assembly 2, transmission and five parts such as supporting component 3, inclined-plane dustbin assembly 4 and auxiliary cleaning assembly 5.Transmission and supporting component 3 are both sides transmission and back-up roller dynamic formula cleaning assembly 2.
Roll and cooperate in two wheels 6 of vehicle wheel component 1 and the two ends of a wheel shaft 7.
The turning cylinder 8 of tumbling-type cleaning assembly 2 is parallel to wheel shaft 7, it radially is fixed with two groups of tumblers 9 radially, each four, tumbler 9 outer ends axially place have axial groove 10, clamping element 11 clamps in the flexible cleaning item 12 back card people axial grooves 10 of tool of sheet, and is fastened on the tumbler 9 by screw 13.Above-mentioned one of form that is rigidly connected for tumbler 9 and clamping element 11.
Two sprocket for main drive 14 of transmission and supporting component 3 are connected in the outside of two wheels 6 of vehicle wheel component 1 respectively with one heart, the two ends that are connected in turning cylinder 8 by movable sprocket 15 (flywheel that promptly is used for the band one-way driving mechanism on bicycle/rickshaw) respectively of two Bands one-way driving mechanisms, driving chain 16 connects two pairs of sprocket for main drive 14 respectively and by movable sprocket 15, transferring power, the two ends of two support members 17 of transmission and supporting component 3 are provided with the parallel axis hole of two axial lines, the identical axis hole of two support members 17 cleans the both ends rolling cooperation of the turning cylinder 8 of assembly 2 respectively with tumbling-type, the wheel shaft 7 of other end axis hole and vehicle wheel component 1 is slidingly matched, the endoporus of its cylindrical and vehicle frame 18 front ends is slidingly matched, and is fastened on the wheel shaft 7 by holding screw 19 behind the position of adjusting tumbling-type cleaning assembly 2.
The inclined-plane part 20 of inclined-plane dustbin assembly 4 is fixed on the vehicle frame 18, be arranged on the back of tumbling-type cleaning assembly 2, but the inclined plane shape cambered surface of inclined-plane part 20, can face directly or both combinatorial surfaces, the inclined-plane leading section of inclined-plane part 20 is fixed with flexure strip 21, and ground is pressed close to/touched to lower end.Preceding low rubbish casing 22 is positioned in the back of inclined-plane part 20, the back of low rubbish casing 22 before the high rubbish casing 23 in back is positioned in, before the high rubbish casing 23 of low rubbish casing 22 and back all be positioned on the vehicle frame 18, the header board of the high rubbish casing 23 of the back plate of preceding low rubbish casing 22 and back is a hang plate 24.
The outer panel 25 of auxiliary cleaning assembly 5 is attached on the support member 17 of transmission and supporting component 3, and the auxiliary cleaning item 26 of the flexible pencil of tool is fixed on the outer panel 25.
See Fig. 3 and Fig. 4.One end of two groups of tumblers 9 is connected in the two ends of turning cylinder 8 radially, the other end axially place is provided with circular hole, circular hole is fixed with the narrow meshed tegillum 27 in center outward, be mounted with stage clip 28 in the circular hole, be mounted with little connector 29 on the stage clip 28, the aperture that little connector 29 passes tegillum 27 is limited in the circular hole, and can do a certain moving axially in circular hole.The end that little connector 29 exposes is connecting the connector 30 that has radial slot, and clamping element 11 clamps two ends, tool flexible sheet cleaning item 12 back and inserts in the radial slot of two corresponding connectors 30, by holding screw 31 tightening clamping elements 11 and sheet cleaning item 12.Clamping element 11 can move axially with little connector 29.Above-mentioned is one of the elasticity type of attachment of tumbler 9 and clamping element 11.
See Fig. 5 and Fig. 6.Turning cylinder 8 is a hollow shaft, and it axially has four grooves, after the two pairs of sheet shape elasticity cleaning items 12 pass the groove location, by fastening on turning cylinder 8.
The groundwork process of the utility model specific embodiment is as follows:
Promote or drag back and forth handgrip 32, the power of two wheels 6 that make forward or roll back and forth makes all cleaning items 12 of tumbling-type cleaning assembly 4 do continuous single roll by transmission and supporting component 3, mainly at the elastic force of cleaning item 12 when directly connecting (be rigidly connected or) or under the elastic force combination (when elasticity is connected) of the elastic force of cleaning item 12 and stage clip 27 acts on, close proximity to ground is implemented the operation of tumbling-type cleaning ground refuse, and is close to the inclined-plane and rubbish is pushed away from ground sweeps and rise to the inclined-plane topmost.When cleaning item 12 left the top, inclined-plane, because the inclined-plane reaction force disappears, rubbish was pushed in the preceding low rubbish casing 22 that is arranged on inclined-plane part 20 back by bullet.After current low rubbish casing 22 filled rubbish: 1. to make vehicle be the front portion that fulcrum lifts car with rear wheel 33 to hand handgrip 32, and the rubbish before making in the low rubbish casing 22 slip in the high rubbish casing 23 in back along hang plate 24; 2. or directly low rubbish casing 22 is poured rubbish in the high rubbish casing 23 in back into before mentioning.
The main effect of auxiliary cleaning assembly 5 is by promoting or when dragging vehicle back and forth, and the rubbish of corner, sidewalk/step edge and recess is pushed away in the swept scope of sweeping to tumbling-type cleaning assembly 2.
When in implementation, not needing operation, unclamp holding screw 19, roll up tumbling-type cleaning assembly 2, get final product.
During operation, cleaning item 12 with the ground friction process in to be worn.After cleaning item 12 may wear to a certain degree, as long as unclamp clamping element 11, cleaning item 12 parallel outer moving are clamped (when connecting indirectly) again, or directly (when directly connecting) drawn in cleaning item 12 translations outward, get final product.Adjust simple and directly, use cost is cheap.
Claims (10)
1. besom, the tumbling-type garbage truck for cleaning of dustpan unification, it is mainly by wheel, vehicle frame, handgrip and rubbish casing are formed, it is characterized in that, described wheel position is provided with vehicle wheel component (1), two wheels (6) of described vehicle wheel component (1) and two end motions of a wheel shaft (7) cooperate, the outer concentric of described wheel (6) is fixed with the main driving wheel (14) of transmission and supporting component (3), the follower (15) of the Bands one-way driving mechanism of described transmission and supporting component (3) is connected in the end of the turning cylinder (8) of tumbling-type cleaning assembly (2), the driving member (16) of described transmission and supporting component (3) connects main driving wheel (14) and follower (15), transferring power, one end of the support member (17) of described transmission and supporting component (3) and the motion of the end of turning cylinder (8) cooperate, the other end is fastened on the vehicle frame (18), the correct position place of the turning cylinder (8) of described tumbling-type cleaning assembly (2) is fixed with tumbler (9) radially, the clamping element (11) of described tumbling-type cleaning assembly (2) is connected on the tumbler (9) after clamping cleaning item (12), the back of described tumbling-type cleaning assembly (2) is mounted with the inclined-plane part (20) of inclined-plane dustbin assembly (4), the back of described inclined-plane part (20) is mounted with the rubbish casing, and the rubbish casing is positioned on the vehicle frame (18).
2. the tumbling-type garbage truck for cleaning of besom according to claim 1, dustpan unification is characterized in that the tumbler (9) of described tumbling-type cleaning assembly (2) is connected for elasticity with clamping element (11).
3. besom according to claim 2, the tumbling-type garbage truck for cleaning of dustpan unification, it is characterized in that, the tumbler (9) of described tumbling-type cleaning assembly (2) is connected in the end of turning cylinder (8) radially, the outer end of described tumbler (9) axially place is provided with circular hole, circular hole is fixed with the narrow meshed tegillum in center (27) outward, be mounted with stage clip (28) in the circular hole, be mounted with little connector (29) on the stage clip (28), the aperture that little connector (29) passes tegillum (27) is limited in the circular hole, can in circular hole, do a certain moving axially, the end that little connector (29) exposes is connecting the connector (30) that has radial slot, clamping element (11) clamps both ends, cleaning item (12) back and inserts in the radial slot of corresponding connector (30), by holding screw (31) tightening clamping element (11) and cleaning item (12), clamping element (11) can move axially with little connector (29).
4. the tumbling-type garbage truck for cleaning of besom according to claim 1, dustpan unification is characterized in that the cleaning item (12) of described tumbling-type cleaning assembly (2) directly is connected on the turning cylinder (8).
5. the tumbling-type garbage truck for cleaning of besom according to claim 4, dustpan unification, it is characterized in that, the turning cylinder (8) of described tumbling-type cleaning assembly (2) is a hollow shaft, and it is axially arranged with several grooves, and cleaning item (12) is fixed on the turning cylinder (8) after passing the groove location.
6. the tumbling-type garbage truck for cleaning of besom according to claim 1, dustpan unification, it is characterized in that, the main driving wheel (14) of described transmission and supporting component (3), the follower (15) of Bands one-way driving mechanism and driving member (16) are the sprocket chain strip transmission mechanism, and the follower of described Bands one-way driving mechanism (15) is for being used for the flywheel of the band one-way driving mechanism on bicycle/rickshaw.
7. the tumbling-type garbage truck for cleaning of besom according to claim 1, dustpan unification is characterized in that the front upper part of the rubbish casing of described inclined-plane dustbin assembly (4) is provided with baffle plate.
8. according to the tumbling-type garbage truck for cleaning of claim 1 or 7 described besoms, dustpan unification, it is characterized in that, certain position in the rubbish casing body of described inclined-plane dustbin assembly (4) is provided with inclined clapboard, high dustbin two parts of low dustbin and back before described inclined clapboard is divided into the rubbish casing.
9. according to the tumbling-type garbage truck for cleaning of claim 1 or 7 described besoms, dustpan unification, it is characterized in that, the rubbish casing of described inclined-plane dustbin assembly (4) by preceding low rubbish casing (22) and afterwards high rubbish casing (23) two parts form.
10. the tumbling-type garbage truck for cleaning of besom according to claim 1, dustpan unification, it is characterized in that, the outer panel (25) of described auxiliary cleaning assembly (5) is attached on the support member (17), and elasticity assists cleaning item (26) to be fixed on the outer panel (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200366306U CN202073062U (en) | 2011-02-10 | 2011-02-10 | Rolling type sweeping dust cart integrating broom and dustpan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200366306U CN202073062U (en) | 2011-02-10 | 2011-02-10 | Rolling type sweeping dust cart integrating broom and dustpan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202073062U true CN202073062U (en) | 2011-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200366306U Expired - Fee Related CN202073062U (en) | 2011-02-10 | 2011-02-10 | Rolling type sweeping dust cart integrating broom and dustpan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202073062U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638403A (en) * | 2016-11-30 | 2017-05-10 | 重庆骏骑车业制造有限公司 | Electric tricycle for rubbish cleaning |
| CN107059715A (en) * | 2016-11-30 | 2017-08-18 | 重庆骏骑车业制造有限公司 | A kind of rubbish pick-up mechanism |
| CN112495856A (en) * | 2020-11-10 | 2021-03-16 | 小狗电器互联网科技（北京）股份有限公司 | Cleaning accessory |
-
2011
- 2011-02-10 CN CN2011200366306U patent/CN202073062U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638403A (en) * | 2016-11-30 | 2017-05-10 | 重庆骏骑车业制造有限公司 | Electric tricycle for rubbish cleaning |
| CN107059715A (en) * | 2016-11-30 | 2017-08-18 | 重庆骏骑车业制造有限公司 | A kind of rubbish pick-up mechanism |
| CN112495856A (en) * | 2020-11-10 | 2021-03-16 | 小狗电器互联网科技（北京）股份有限公司 | Cleaning accessory |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20130210 |