CN105666700B - Agitating shaft, rabbling mechanism and concrete mixer - Google Patents
Agitating shaft, rabbling mechanism and concrete mixer Download PDFInfo
- Publication number
- CN105666700B CN105666700B CN201610195532.4A CN201610195532A CN105666700B CN 105666700 B CN105666700 B CN 105666700B CN 201610195532 A CN201610195532 A CN 201610195532A CN 105666700 B CN105666700 B CN 105666700B
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- CN
- China
- Prior art keywords
- jackshaft
- axle
- hole
- agitating shaft
- axle center
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C5/4203—Details; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C5/4279—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport with rotating drum and independently-rotating mixing tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention discloses a kind of agitating shaft, rabbling mechanism and concrete mixer.The agitating shaft includes left half axle (10), jackshaft (20) and right axle shaft (30), the left and right ends of the jackshaft (20) are sequentially connected with the left half axle (10) and the right axle shaft (30) respectively, and the jackshaft (20) can move axially to the left so that its right end departs from the right axle shaft (30).The rabbling mechanism has the agitating shaft.The concrete mixer has the rabbling mechanism.When needing the component below the agitating shaft of the present invention to be safeguarded or replaced, jackshaft only need to be moved to the left, its right end is set to depart from right axle shaft, then jackshaft is tilted, move right jackshaft, its left end is departed from left half axle, jackshaft can be taken out, it is convenient and efficient, and left half axle and right axle shaft need not be dismantled, avoid because dismounting causes the sealability of seal to decline.
Description
Technical field
The present invention relates to a kind of agitating shaft, and in particular, to a kind of three-stage agitating shaft, further relating to one kind has the stirring
The rabbling mechanism and concrete mixer of axis.
Background technology
The agitating shaft of most rabbling mechanisms is all made as the axis of an entirety, so that when needing below agitating shaft
Component (for example, S pipe valves) must take out whole axis when safeguarding or replacing, and can cause temporal waste, and agitating shaft one
As be installed in hopper, dismounting agitating shaft is all very inconvenient, and will also be fitted with agitating vane on many agitating shafts, agitating shaft two
End can be equipped with mixer drive and bearing block.When agitating shaft is an overall axis, frequently result in need by agitating vane with
Mixer drive and bearing block are dismantled together, make dismounting work more complicated and cumbersome.And after dismantling, agitating shaft is with stirring
The sealing function for mixing the seal between the seal and agitating shaft and bearing block between driving device also can be impacted, easily
Polluted be subject to concrete, big inconvenience is brought to maintenance.
The content of the invention
In order to solve the problems in the existing technology, according to an aspect of the present invention, there is provided a kind of agitating shaft, including
Left half axle, jackshaft and right axle shaft, the left and right ends of the jackshaft connect with the left half axle and right axle shaft transmission respectively
Connect, and the jackshaft can move axially to the left so that its right end departs from the right axle shaft.
Alternatively, the left and right ends of the jackshaft respectively with the left half axle and the right axle shaft key connection.
Alternatively, the left half axle has the first axle center hole, the left end of the jackshaft be inserted into first axle center hole and
With the hole wall key connection of first axle center hole；The right axle shaft has the second axle center hole, described in the right end insertion of the jackshaft
Second axle center hole and with the hole wall key connection of second axle center hole, the jackshaft can move axially to the left so that its right end takes off
From second axle center hole.
Alternatively, the agitating shaft further includes positioning pin, offers on the left half axle or right axle shaft and radially extends
The first location hole, offer the second location hole radially extended on the jackshaft, the positioning pin is through described the
A positioning hole and the second location hole are with by the jackshaft axial lock.
Alternatively, the agitating shaft further includes the elastic component being arranged between the left half axle and the jackshaft, the bullet
Property part apply elastic force to the right so that the jackshaft is pressed on the right axle shaft to the jackshaft.
Alternatively, first axle center hole is blind hole, the left side of the jackshaft and the bottom of first axle center hole
Separate, the elastic component is resiliently supported between bottom and the jackshaft of first axle center hole.
Alternatively, the left end of the jackshaft includes transmission segment and guide section, and the guide section is located at the transmission segment
Left side and diameter are less than the transmission segment, the surface of the transmission segment and the hole wall key connection of first axle center hole, the bullet
Property part is the spring being set on the guide section.
Alternatively, first axle center hole includes spring hole section and transmission hole section into a ladder, the driving hole section
In the right side of the spring hole section, the surface of the transmission segment and the hole wall key connection of the transmission hole section, the spring are located at
In the spring hole section, the aperture of the spring hole section is more than the aperture of the transmission hole section.
Alternatively, the right end of first axle center hole is provided with first annular groove, and the left end of second axle center hole is set
Second annular groove is equipped with, the agitating shaft further includes the first sealing ring in the first annular groove and is installed on
The second sealing ring in the second annular groove.
Alternatively, second axle center hole is blind hole.
When needing the component below the agitating shaft of the present invention to be safeguarded or replaced, jackshaft only need to be moved to the left,
Its right end is departed from right axle shaft, then tilt jackshaft, move right jackshaft, its left end is departed from left half axle, you can by
Countershaft takes out, convenient and efficient, and need not dismantle left half axle and right axle shaft, avoids under the sealability for causing seal because of dismounting
Drop.
According to another aspect of the present invention, there is provided a kind of rabbling mechanism, including mixer drive, bearing block and as above institute
The agitating shaft stated, one of the left half axle and the right axle shaft are sequentially connected with the mixer drive, and another one is led to
Bearing is crossed on the bearing block.
In accordance with a further aspect of the present invention, there is provided a kind of concrete mixer, including rabbling mechanism as described above.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Attached drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of partial sectional view of the agitating shaft of embodiment according to the present invention；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the enlarged drawing of part B in Fig. 1；
Fig. 4 is the partial sectional view of left half axle in a kind of agitating shaft of embodiment according to the present invention；
Fig. 5 is the sectional view that line C-C intercepts along Fig. 4；
Fig. 6 is the partial sectional view of jackshaft in a kind of agitating shaft of embodiment according to the present invention；
Fig. 7 is the sectional view that line D-D intercepts along Fig. 6；
Fig. 8 is the sectional view of right axle shaft in a kind of agitating shaft of embodiment according to the present invention；
Fig. 9 is a kind of schematic diagram of the rabbling mechanism of embodiment according to the present invention.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where not making conversely explanation, the noun of locality such as " left and right " used refers to the figure with Fig. 1
Defined on the basis of the direction of face, the semiaxis on the left of drawing is referred to as left half axle 10, and the semiaxis on the right side of drawing is referred to as
Right axle shaft 30.The use of these nouns of locality is only to facilitate the description present invention, is not intended to limit the invention.
As shown in Figures 1 to 8, according to an aspect of the present invention, there is provided a kind of agitating shaft, including left half axle 10, centre
Axis 20 and right axle shaft 30, the left and right ends of jackshaft 20 are sequentially connected with left half axle 10 and right axle shaft 30 respectively, and jackshaft
20 can move axially so that its right end departs from right axle shaft 30 to the left.
The agitating shaft of the present invention is three stage structure, wherein, the connection stirring of one of left half axle 10 and right axle shaft 30 is driven
Dynamic device 80 (for example, hydraulic motor), another one are installed on bearing block 90 by bearing；Master of the jackshaft 20 as agitating shaft
Body, its length are more than left half axle 10 and right axle shaft 30, and the left and right ends of jackshaft 20 respectively with left half axle 10 and right axle shaft 30
It is sequentially connected, to transmit moment of torsion.
When needing the component (for example, S pipe valves) below the agitating shaft of the present invention to be safeguarded or replaced, only need to the left
Mobile jackshaft 20, makes its right end depart from right axle shaft 30, then tilts jackshaft 20, move right jackshaft 20, makes its left end
Depart from left half axle 10, you can jackshaft 20 is taken out, it is convenient and efficient, and left half axle 10 and right axle shaft 30 need not be dismantled, avoid
Because dismounting causes seal (to be generally arranged between left half axle 10 and mixer drive 80 and right axle shaft 30 and bearing block 90
Between) sealability decline.
The drive connection between drive connection and jackshaft 20 and right axle shaft 30 between left half axle 10 and jackshaft 20
Can be respectively various appropriate forms.For example, the first rectangular recess can be opened up on the right side of left half axle 10, right half
The second rectangular recess is opened up on the left side of axis 20, is processed respectively in the left and right ends of jackshaft 20 recessed with first rectangle
The first rectangular boss that groove matches and the second rectangular boss to match with second rectangular recess；By along jackshaft 20
The pin that sets of radial direction jackshaft 20 and right axle shaft 30 are releasably secured together, and in the end face of the first rectangular boss
And first rectangular recess bottom surface between reserve gap, to ensure that jackshaft 20 has the space that is moved to the left.In such case
Under, when needing to dismantle jackshaft 20, first the pin can be extracted, then be moved to the left jackshaft 20, make jackshaft 20
Right end depart from right axle shaft 30.
In order to ensure between drive connection and jackshaft 20 and right axle shaft 30 between left half axle 10 and jackshaft 20
Being sequentially connected being capable of the larger moment of torsion of smooth transfer, it is preferable that the left and right ends of jackshaft 20 respectively with the left half axle 10 and
30 key connection of right axle shaft.
, and can between jackshaft 20 and right axle shaft 30 between jackshaft 20 and left half axle 10 in the agitating shaft of the present invention
Think the key connection structure of various appropriate formats.As a kind of embodiment, as shown in figures 3 and 8, left half axle 10 has first
Axle center hole 110, the left end of jackshaft 20 be inserted into the first axle center hole 110 and with the hole wall key connection of first axle center hole 110；Right half
Axis 30 has the second axle center hole 310, the right end of jackshaft 20 be inserted into the second axle center hole 310 and with the hole of second axle center hole 310
Wall key connection.In other words, left half axle 10 and right axle shaft 30 are socketed in the both ends of jackshaft 20 respectively.In this case,
One axle center hole 110 should long enough, to allow jackshaft 20 to be moved to the left so that its right end depart from the second axle center hole 310.At it
In its possible embodiment, the left and right ends of jackshaft 20 can also be socketed on left half axle 10 and right axle shaft 30 respectively.
In normal work, axial float occurs for jackshaft 20 to be nibbled with left half axle 10 or the disengaging of right axle shaft 30 in order to prevent
Close, agitating shaft, which further includes, can include positioning pin (not shown), and be offered radially on left half axle 10 or right axle shaft 30
First location hole of extension, offers the second location hole radially extended on jackshaft 20, and positioning pin is through the first positioning
Hole and the second location hole are with by 20 axial lock of jackshaft, so that jackshaft 20 is maintained at operating position.In this case,
When needing to dismantle jackshaft 20, first positioning pin can be extracted, then be moved to the left jackshaft 20, make the right end of jackshaft 20
Depart from right axle shaft 30.
As the preferred embodiment of the present invention, as shown in Fig. 2, agitating shaft, which further includes, is arranged on left half axle 10 and jackshaft
Elastic component 40 between 20, the elastic component 40 is by 20 fexible bias pressure of jackshaft on right axle shaft 30.In this embodiment, bullet
Property part 40 applies elastic force to the right so that the jackshaft 20 is pressed on right axle shaft 30, so that jackshaft 20 to jackshaft 20
It is maintained at operating position.When needing to dismantle jackshaft 20, can utilizing the auxiliary tools such as crowbar, (Fig. 9 can in agitating vane 100
See) assembly flange at apply appropriately sized power, compression elastic piece 40, makes the right end of jackshaft 20 depart from right axle shaft 30.
In the agitating shaft of the present invention, elastic component 40 can be arranged on any suitable position, as long as can be to jackshaft 20
Apply elastic force to the right.As a kind of embodiment, as shown in Figures 2 and 3, the first axle center hole 110 is blind hole, middle
The left side of axis 20 and the bottom of the first axle center hole 110 are separated to allow jackshaft 20 to be moved to the left, and elastic component 40 flexibly supports
Between the bottom of the first axle center hole 110 and jackshaft 20.Here, elastic component 40 for example can be spring.In order to ensure spring
Mounting stability, it is preferable that the left end of jackshaft 20 includes transmission segment 210 and guide section 220, and guide section 220 is positioned at transmission
The left side of section 210 and diameter are less than transmission segment 210, the surface of transmission segment 210 and the hole wall key connection of the first axle center hole 110, bullet
Spring is set on guide section 220, and one end of spring is supported to be supported in guide section 220 in the bottom of the first axle center hole 110, the other end
On step surface between transmission segment 210.In other possible embodiments, the left end of jackshaft 20 can be made ladder
Axis, spring is set in the path section of the multi-diameter shaft, and the path section is inserted into the first axle center hole 110, makes spring
Both ends support respectively on the step surface of the right side of left half axle 10 and the multi-diameter shaft.
Preferably, as shown in figure 4, the first axle center hole 110 includes spring hole section 111 and transmission hole section 112 into a ladder,
Transmission hole section 112 is located at the right side of spring hole section 111, and spring is located in spring hole section 111, and the aperture of spring hole section 111 is more than
It is driven the aperture of hole section 112.Since the aperture of spring hole section 111 is larger, can ensure among when tilting jackshaft 20
The left end of axis 20 has enough spaces.
The surface of transmission segment 210 formed with key teeth 211 (Fig. 7 is visible), be driven on the hole wall of hole section 112 formed with key teeth
211 keyways 1121 to match (Fig. 5 is visible).In order to enable jackshaft 20 to be moved to the left, key is can be seen that with reference to Fig. 2 and Fig. 4
211 length of tooth is more than the length of keyway 1121.Certainly, in other embodiments, can also be straight by the axle journal on the right side of key teeth 211
Footpath reduces, and so can equally ensure that jackshaft 20 can be moved to the left.
In order to avoid the key connection on agitating shaft coordinates section to be polluted be subject to concrete, it is preferable that as shown in Figure 2 and Figure 4,
The right end of first axle center hole 110 is provided with first annular groove 113, and the first sealing ring is provided with the first annular groove 113
50；Similarly, as shown in Figure 3 and Figure 7, the left end of the second axle center hole 310 is provided with second annular groove 311, second annular
Second sealing ring 70 is installed in groove 311.In order to further increase the sealing effect of 20 left end of jackshaft, it is preferable that such as Fig. 2
Shown in Fig. 4, the left side of first annular groove 113 is additionally provided with the 3rd annular groove 114, is set in the 3rd annular groove 114
It is equipped with the 3rd sealing ring 60.
In order not to influence the assembling of right axle shaft 30 and bearing block 90 or mixer drive 80, it is preferable that the second axle center hole
310 be blind hole.In this case, the right side of jackshaft 20 can be pressed on the second axle center hole under the action of elastic force
310 bottom.The right end of jackshaft 20 is formed with key teeth, formed with matching with the key teeth on the hole wall of the second axle center hole 310
Keyway.
As shown in figure 9, according to another aspect of the present invention, there is provided a kind of rabbling mechanism, including mixer drive 80, axis
Bearing 90 and agitating shaft as described above, wherein, one of left half axle 10 and right axle shaft 30 are driven with mixer drive 80
Connection, another one are installed on bearing block 90 by bearing.In the embodiment depicted in fig. 8, left half axle 10 drives with stirring
Device 80 is connected, and right axle shaft 30 is installed on bearing block 90 by bearing.
In accordance with a further aspect of the present invention, there is provided a kind of concrete mixer, which has stirs as described above
Mix mechanism.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (9)
1. a kind of agitating shaft, it is characterised in that including left half axle (10), jackshaft (20) and right axle shaft (30), the jackshaft
(20) left and right ends are sequentially connected with the left half axle (10) and the right axle shaft (30) respectively, and the jackshaft (20)
It can move axially to the left so that its right end departs from the right axle shaft (30), the left half axle (10) has the first axle center hole
(110), the left end of the jackshaft (20) be inserted into first axle center hole (110) and with the hole wall of first axle center hole (110)
Key connection, and the left end of the jackshaft (20) can depart from the left half axle (10)；The right axle shaft (30) has second
Axle center hole (310), the right end of the jackshaft (20) be inserted into second axle center hole (310) and with second axle center hole (310)
Hole wall key connection, the jackshaft (20) can move axially to the left so that its right end departs from second axle center hole (310).
2. agitating shaft according to claim 1, it is characterised in that the agitating shaft further includes positioning pin, the left half axle
(10) the first location hole radially extended or is offered on right axle shaft (30), is offered on the jackshaft (20) along its footpath
To the second location hole of extension, the positioning pin is through first location hole and the second location hole with by the jackshaft (20)
Axial lock.
3. agitating shaft according to claim 1, it is characterised in that the agitating shaft, which further includes, is arranged on the left half axle
(10) elastic component (40) between the jackshaft (20), the elastic component (40) apply bullet to the right to the jackshaft (20)
Property power is so that the jackshaft (20) is pressed on the right axle shaft (30).
4. agitating shaft according to claim 3, it is characterised in that first axle center hole (110) is blind hole, the centre
The left side of axis (20) and the bottom of first axle center hole (110) separate, and the elastic component (40) is resiliently supported at described
Between the bottom of one axle center hole (110) and the jackshaft (20).
5. agitating shaft according to claim 4, it is characterised in that the left end of the jackshaft (20) includes transmission segment
(210) and guide section (220), the guide section (220) is located at the left side of the transmission segment (210) and diameter is less than the transmission
Section (210), the surface of the transmission segment (210) and the hole wall key connection of first axle center hole (110), the elastic component (40)
For the spring being set on the guide section (220).
6. agitating shaft according to claim 5, it is characterised in that first axle center hole (110) is included into a ladder
Spring hole section (111) and transmission hole section (112), the transmission hole section (112) are located at the right side of the spring hole section (111), institute
The surface and the hole wall key connection of the transmission hole section (112), the spring for stating transmission segment (210) are located at the spring hole section
(111) in, the aperture of the spring hole section (111) is more than the aperture of the transmission hole section (112).
7. agitating shaft according to claim 1, it is characterised in that the right end of first axle center hole (110) is provided with
One annular groove (113), the left end of second axle center hole (310) are provided with second annular groove (311), and the agitating shaft is also
Including the first sealing ring (50) in the first annular groove (113) and installed in the second annular groove
(311) the second sealing ring (70) in.
8. a kind of rabbling mechanism, including mixer drive (80), agitating shaft and bearing block (90), it is characterised in that described to stir
Axis is mixed as the agitating shaft according to any one in claim 1-7, in the left half axle (10) and the right axle shaft (30)
One of with the mixer drive (80) be sequentially connected, another one by bearing be installed on the bearing block (90) on.
9. a kind of concrete mixer, it is characterised in that including rabbling mechanism according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610195532.4A CN105666700B (en) | 2016-03-30 | 2016-03-30 | Agitating shaft, rabbling mechanism and concrete mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610195532.4A CN105666700B (en) | 2016-03-30 | 2016-03-30 | Agitating shaft, rabbling mechanism and concrete mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105666700A CN105666700A (en) | 2016-06-15 |
| CN105666700B true CN105666700B (en) | 2018-05-11 |
Family
ID=56225682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610195532.4A Active CN105666700B (en) | 2016-03-30 | 2016-03-30 | Agitating shaft, rabbling mechanism and concrete mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105666700B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281391B (en) * | 2019-05-15 | 2020-09-29 | 中联重科股份有限公司 | Viscous material stirring and transporting equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202241591U (en) * | 2011-06-28 | 2012-05-30 | 三一重工股份有限公司 | Concrete pumping equipment, stirring shaft and stirring device with stirring shaft |
| CN202439113U (en) * | 2011-12-23 | 2012-09-19 | 三一重工股份有限公司 | Stirring shaft, stirring device and concrete pump truck |
| CN202764005U (en) * | 2012-08-23 | 2013-03-06 | 三一重工股份有限公司 | Stirring shaft, stirring device and concrete pump truck |
| CN204351759U (en) * | 2015-01-19 | 2015-05-27 | 余姚市低塘长利电器厂 | A kind of sweeper |
| CN204493488U (en) * | 2015-03-17 | 2015-07-22 | 廊坊金润科技有限公司 | Coupling |
| CN204862999U (en) * | 2015-08-28 | 2015-12-16 | 广东新宝电器股份有限公司 | Easy-to-detach rotary brush |
-
2016
- 2016-03-30 CN CN201610195532.4A patent/CN105666700B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202241591U (en) * | 2011-06-28 | 2012-05-30 | 三一重工股份有限公司 | Concrete pumping equipment, stirring shaft and stirring device with stirring shaft |
| CN202439113U (en) * | 2011-12-23 | 2012-09-19 | 三一重工股份有限公司 | Stirring shaft, stirring device and concrete pump truck |
| CN202764005U (en) * | 2012-08-23 | 2013-03-06 | 三一重工股份有限公司 | Stirring shaft, stirring device and concrete pump truck |
| CN204351759U (en) * | 2015-01-19 | 2015-05-27 | 余姚市低塘长利电器厂 | A kind of sweeper |
| CN204493488U (en) * | 2015-03-17 | 2015-07-22 | 廊坊金润科技有限公司 | Coupling |
| CN204862999U (en) * | 2015-08-28 | 2015-12-16 | 广东新宝电器股份有限公司 | Easy-to-detach rotary brush |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105666700A (en) | 2016-06-15 |
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Address after: 102206 North of Laoniuwan Village, Shayang Road, Shahe Town, Changping District, Beijing Patentee after: Beiqi Futian Automobile Co., Ltd. Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee before: Beiqi Futian Automobile Co., Ltd. |
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Effective date of registration: 20200928 Address after: No.202 Xuanfu street, Xuanhua District, Zhangjiakou, Hebei Province Patentee after: Hebei Leisa Heavy Construction Machinery Co., Ltd Address before: 102206, Beijing, Shahe, Changping District Town, Sha Yang Road, Lao Wan Village North Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
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