CN108533062B - Construction is with enclosing fender - Google Patents
Construction is with enclosing fender Download PDFInfo
- Publication number
- CN108533062B CN108533062B CN201810403494.6A CN201810403494A CN108533062B CN 108533062 B CN108533062 B CN 108533062B CN 201810403494 A CN201810403494 A CN 201810403494A CN 108533062 B CN108533062 B CN 108533062B
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- Prior art keywords
- pawl
- ratchet wheel
- ratchet
- lifting plate
- turnover rod
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Fencing (AREA)
Abstract
The invention discloses a construction enclosure, which has the technical scheme that the construction enclosure comprises an enclosure body, a lifting plate and a lifting device, wherein the enclosure body is provided with an accommodating cavity; the lifting device comprises a ratchet wheel capable of driving the lifting plate to lift, a first pawl capable of driving the ratchet wheel to rotate and a turnover rod capable of driving the first pawl to move, the ratchet wheel is rotatably connected with the enclosing and blocking body, a sliding column is eccentrically arranged on the end face of the ratchet wheel, a sliding groove is formed in the lower end of the lifting plate, the sliding groove is transversely formed in the width of the sliding groove and is matched with the outer diameter of the sliding column, the middle of the turnover rod is hinged with the enclosing and blocking body, the other end of the turnover rod is hinged with the first pawl, the first pawl is located on one side of the ratchet wheel, a first spring is arranged between the first pawl and the turnover rod, and a limiting device capable of limiting reverse rotation of the ratchet wheel under the gravity action of the lifting plate is further. This enclose fender can adjust its height, is applicable to and has different construction places that different altitude required to enclosing the fender.
Description
Technical Field
The invention relates to the field of building construction, in particular to a construction fence.
Background
In the building work progress, in order to guarantee that job site and external world keep apart, the fender is enclosed in the construction is an important work of construction engineering project civilized construction, encloses the setting of fender and can avoid receiving external disturbance in the work progress, is favorable to ensureing construction safety, and has dustproof effect of making an uproar, the effectual influence that has reduced the construction to all ring edge borders. The construction in different places has different requirements on the height of the enclosure, for example, the height of the enclosure arranged on the main road section of the urban area, the urban landscape road, the airport, the wharf and the station square is not less than 2.5m, and the height of the enclosure arranged on other road sections is not less than 1.8 m. The existing enclosure for building construction is fixed in height and poor in applicability to height change requirements, so that the enclosure can only be applied to part of construction places.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the enclosure for construction, which can adjust the height of the enclosure and is suitable for different construction places with different height requirements on the enclosure.
In order to achieve the purpose, the invention provides the following technical scheme: a construction enclosure comprises an enclosure body, a lifting plate connected with the enclosure body in a sliding mode, and a lifting device driving the lifting plate to lift, wherein an accommodating cavity capable of accommodating the lifting plate and the lifting device is concavely arranged on the upper surface of the enclosure body;
the lifting device comprises a ratchet wheel capable of driving the lifting plate to lift, a first pawl capable of driving the ratchet wheel to rotate and a turnover rod capable of driving the first pawl to move, the ratchet wheel is rotationally connected with the enclosure body, a sliding column is eccentrically arranged on the end face of the ratchet wheel, a sliding groove for the sliding column to slide in a rotating state is arranged at the lower end of the lifting plate, the sliding groove is transversely arranged, the width of the sliding groove is matched with the outer diameter of the sliding column, the ratchet wheel is in the rotating state, the sliding column is abutted against the side wall in the width direction of the sliding groove and drives the lifting plate to lift, the middle of the turnover rod is hinged with the enclosure body, one end of the length direction of the turnover rod is provided with a pedal for a person to tread to overturn the turnover rod, the other end of the turnover rod is hinged with the first pawl, the first pawl is positioned on one side of the ratchet wheel, and a first spring for pulling the first pawl to be clamped into the ratchet wheel is arranged between the first pawl and the turnover rod, under the overturning state of the overturning rod, the first pawl is abutted against the ratchet wheel under the action of the traction force of the first spring and pushes the ratchet wheel to rotate, and the enclosure body is further provided with a limiting device capable of limiting the reverse rotation of the ratchet wheel under the action of the gravity of the lifting plate.
As a further improvement of the present invention, the limiting device includes a second pawl, the second pawl is located on one side of the ratchet wheel and is hinged to the enclosure body, the enclosure body is provided with a torsion spring capable of pulling the second pawl to be clamped into the ratchet on the ratchet wheel, the first pawl drives the ratchet wheel to rotate, the second pawl slides on the back of the ratchet teeth, and when the first pawl slides on the back of the ratchet teeth, the second pawl is clamped between the ratchet teeth and limits the reverse rotation of the ratchet wheel.
As a further improvement of the invention, a second spring is arranged between the turnover rod and the cavity bottom of the accommodating cavity, one side of the turnover rod, which is provided with the pedal, is lifted upwards when the second spring is in a loose state, and the turnover rod can be reset under the elastic force of the second spring after the turnover rod is driven to turn over by pressing the pedal downwards.
As a further improvement of the invention, the sliding groove comprises horizontal sections positioned at two ends of the sliding groove in the length direction and an arc section positioned between the two horizontal sections, the horizontal sections are horizontally arranged, the arc section is superposed with the rotating track of the sliding column, the opening of the arc section faces downwards, and the height of the lifting plate is unchanged when the sliding column slides in the arc section.
As a further improvement of the invention, a plurality of rolling balls are arranged on both sides of the length of the lifting plate, guide rails convenient for the rolling balls to roll are arranged on both side walls of the length of the accommodating cavity, and the cross sections of the guide rails are arranged in a V shape.
The invention has the beneficial effects that: through the setting of lifter plate, the ratchet, first pawl and trip lever, when people trample the footboard repeatedly, can drive and drive the trip lever and overturn repeatedly, the trip lever drives first pawl and reciprocates repeatedly so that the ratchet constantly rotates in the forward direction, the ratchet is rotatory in-process drives the slip post and is rotatory around the central axis of ratchet, when the slip post moves to the high point from the low point, the slip post and the last lateral wall butt of slip groove and drive the lifter plate to rise, when the slip post moves to the low point from the high point, the slip post and the lower lateral wall butt of slip groove and drive the lifter plate to descend, therefore people can adjust the height of enclosing the fender through trampling the footboard repeatedly, this enclosing fender can be applicable to different construction places of different height requirements, and only need trample the footboard repeatedly in the adjustment process, the operation is simple and convenient, this enclosing the height adjustment mechanism of fender does not use rack and pinion, The high machining precision parts such as the worm gear and the worm have low machining cost and convenient machining.
Drawings
FIG. 1 is a cross-sectional view of a construction fence;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a schematic view of the connection structure of the guide rail and the rolling ball.
Reference numerals: 1. a fence body; 11. an accommodating cavity; 12. a guide rail; 2. a lifting plate; 21. a sliding groove; 211. a horizontal segment; 212. a circular arc section; 22. rolling a ball; 3. a lifting device; 31. a ratchet wheel; 311. sliding the column; 32. a first pawl; 33. a turning rod; 331. a pedal; 34. a first spring; 35. a second spring; 4. a second pawl.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1 to 3, the enclosure for construction of the embodiment includes an enclosure body 1, a lifting plate 2 connected to the enclosure body 1 in a sliding manner, and a lifting device 3 driving the lifting plate 2 to lift, wherein an accommodating cavity 11 capable of accommodating the lifting plate 2 and the lifting device 3 is concavely arranged on the upper surface of the enclosure body 1; the enclosure is driven by the lifting device 3 to move the lifting plate 2 upwards and outwards from the accommodating cavity 11, so that the height of the enclosure is increased.
The lifting device 3 comprises a ratchet wheel 31 capable of driving the lifting plate 2 to lift, a first pawl 32 capable of driving the ratchet wheel 31 to rotate and a turnover rod 33 capable of driving the first pawl 32 to move, the ratchet wheel 31 is rotatably connected with the enclosure body 1, a sliding column 311 is eccentrically arranged on the end surface of the ratchet wheel 31, a sliding groove 21 for the sliding column 311 to slide in a rotating state is arranged at the lower end of the lifting plate 2, the sliding groove 21 is transversely arranged, the width of the sliding groove 21 is matched with the outer diameter of the sliding column 311, the ratchet wheel 31 is in a rotating state, the sliding column 311 is abutted against the side wall in the width direction of the sliding groove 21 and drives the lifting plate 2 to lift, the middle of the turnover rod 33 is hinged with the enclosure body 1, one end of the turnover rod 33 in the length direction is provided with a pedal 331 for a person to step on the turnover rod 33, the other end of the turnover rod is hinged with the first pawl 32, the first pawl 32 is arranged on one side of the ratchet wheel 31, and a first pawl 32 for pulling the first pawl A first spring 34 in the ratchet on the wheel 31, when the turning rod 33 is in a turning state, the first pawl 32 is abutted against the ratchet wheel 31 under the traction force of the first spring 34 and pushes the ratchet wheel 31 to rotate, and a limiting device capable of limiting the reverse rotation of the ratchet wheel 31 under the gravity action of the lifting plate 2 is further arranged on the enclosure body 1; the side of the enclosure body 1 is provided with an opening for the pedal 331 to extend out, when the pedal 331 is pressed down to drive the turnover rod 33 to turn over, the first pawl 32 moves upwards, at the moment, the first pawl 32 is clamped between adjacent ratchets on the outer side of the ratchet 31 and drives the ratchet 31 to rotate in the forward direction, the ratchet 31 drives the sliding column 311 to rotate in the rotating state, when the sliding column 311 moves from a low point to a high point, the sliding column 311 is abutted against the upper side wall of the sliding groove 21 and drives the lifting plate 2 to ascend, when the pedal 331 ascends, the first pawl 32 moves downwards, at the moment, the first pawl 32 is abutted against the tooth backs of the ratchets under the elastic force of the first spring 34 and slides on the tooth backs, at the moment, due to the gravity action of the lifting plate 2, the ratchet 31 has a tendency of reverse rotation, and the limiting device prevents the ratchet 31 from rotating reversely, so that the lifting plate; when the sliding column 311 moves from the high point to the low point, the pedal 331 is pressed down to make the sliding column 311 abut against the lower side wall of the sliding groove 21 and drive the lifting plate 2 to descend.
Through the arrangement of the lifting plate 2, the ratchet wheel 31, the first pawl 32 and the turnover rod 33, when people repeatedly trample the pedal 331, the turnover rod 33 can be driven to drive the turnover rod 33 to repeatedly turn over, the turnover rod 33 drives the first pawl 32 to repeatedly move up and down so that the ratchet wheel 31 continuously rotates in a forward direction, the sliding column 311 is driven to rotate around the central axis of the ratchet wheel 31 in the rotation process of the ratchet wheel 31, when the sliding column 311 moves from a low point to a high point, the sliding column 311 is abutted against the upper side wall of the sliding groove 21 and drives the lifting plate 2 to ascend, and when the sliding column 311 moves from the high point to the low point, the sliding column 311 is abutted against the lower side wall of the sliding groove 21 and drives the lifting plate 2 to descend, so that people can regulate the height of the enclosure by repeatedly trampling the pedal 331, the enclosure can be suitable for different construction places with different height requirements, and only needs to repeatedly trample the pedal 331 in the regulation process, the height adjusting mechanism of the enclosure is simple and convenient to operate, high-machining-precision components such as a gear rack, a worm gear and a worm are not used in the height adjusting mechanism of the enclosure, the machining cost is low, and the machining is convenient.
As an improved specific embodiment, the limiting device includes a second pawl 4, the second pawl 4 is located on one side of the ratchet wheel 31, the second pawl 4 is hinged to the enclosure body 1, a torsion spring capable of pulling the second pawl 4 to be clamped into the ratchet on the ratchet wheel 31 is arranged on the enclosure body 1, the second pawl 4 slides on the back of the ratchet teeth when the first pawl 32 drives the ratchet wheel 31 to rotate, and when the first pawl 32 slides on the back of the ratchet teeth, the second pawl 4 is clamped between the ratchet teeth and limits the ratchet wheel 31 to rotate reversely.
Through the setting of second pawl 4, because the elastic force effect of torsional spring, the one end that second pawl 4 is close to ratchet 31 will all the time with ratchet 31 looks butt, in the lift board 2 in-process that rises, when first pawl 32 drove ratchet 31 forward rotation, second pawl 4 just in time slides on the back of the teeth of ratchet, when first pawl 32 slided on the back of the teeth of ratchet, because the action of gravity of lift board 2, lift board 2 has the trend that drives slip post 311 downstream, make ratchet 31 have the trend of reverse rotation, second pawl 4 just in time is blocked between the ratchet and is restricted ratchet 31 reverse rotation at this moment, the lift board 2 and first pawl 32 descend in the in-process that moves down, the simple structure is practical, and it does not need the manpower operation in the restriction ratchet 31 reverse rotation process, can restrict ratchet 31 reverse rotation by oneself, and is convenient for practicality.
As a modified specific embodiment, a second spring 35 is arranged between the turning rod 33 and the bottom of the accommodating cavity 11, when the second spring 35 is in a relaxed state, the side of the turning rod 33 provided with the pedal 331 is lifted upwards, and when the pedal 331 is pressed to turn the turning rod 33, the turning rod 33 can be reset under the elastic force of the second spring 35.
Through the setting of second spring 35 for after people trampled footboard 331, upset pole 33 can reset by oneself under the spring action of second spring 35, makes people not need oneself to remove lifting footboard 331, has reduced people's the operation degree of difficulty.
As an improved specific embodiment, the sliding groove 21 includes horizontal sections 211 located at two ends of the sliding groove 21 in the length direction and an arc section 212 located between the two horizontal sections 211, the horizontal sections 211 are both horizontally disposed, the arc section 212 coincides with the rotation track of the sliding column 311, the opening of the arc section 212 faces downward, and the height of the lifting plate 2 is unchanged when the sliding column 311 slides on the arc section 212.
When the sliding column 311 rotates downwards to enter the arc section 212 to slide or slides in the horizontal section 211, the sliding column 311 can drive the lifting plate 2 to lift, when the sliding column 311 rotates upwards to enter the arc section 212 to slide, because the arc section 212 is arranged along the rotating direction of the sliding column 311, that is, the radius of the arc section 212 is the same as the rotating radius of the sliding column 311, when the sliding column 311 slides in the arc section 212, the lifting plate 2 does not rise or fall, and the lifting plate 2 is located at the highest position at the moment, when people need to adjust the height of the enclosure to the highest position, the people can directly step on the pedal 331 to drive the lifting plate 2 to rise until the lifting plate 2 does not rise, and the lifting plate 2 is located at the highest position at the moment, that the enclosure is adjusted to the maximum height, through the arrangement of the horizontal section 211 and the arc section 212, people can judge whether the enclosure is adjusted to the maximum height by observing whether the lifting plate 2 rises or falls when stepping on the pedal 331, the enclosure is convenient for people to adjust the enclosure to the highest state.
As an improved specific embodiment, a plurality of rolling balls 22 are arranged on both sides of the length of the lifting plate 2, guide rails 12 for facilitating rolling of the rolling balls 22 are arranged on both side walls of the length of the accommodating cavity 11, and the cross section of each guide rail 12 is arranged in a V shape.
When the sliding column 311 slides at the two ends of the length direction of the sliding groove 21 to drive the lifting plate 2 to ascend or descend, one end of the length direction of the lifting plate 2 is stressed, the lifting plate 2 is easy to clamp between the other end of the lifting plate 2 and the accommodating cavity 11 due to overlarge friction force, the friction force between the lifting frame length direction and the accommodating cavity 11 can be reduced through the arrangement of the guide rail 12 and the rolling balls 22, the clamping due to the overlarge friction force can be effectively avoided, the lifting plate 2 can smoothly ascend and descend, the guide rail 12 is arranged to be in a V shape, the rolling balls 22 can be abutted against the two side walls of the guide rail 12 when sliding on the guide rail 12, even if the lifting plate 2 is subjected to large wind force, the rolling balls 22 cannot be separated from the guide rail 12, and the wind resistance effect is good.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (5)
1. The utility model provides a fender is enclosed with constructing which characterized in that: the fence comprises a fence body (1), a lifting plate (2) connected with the fence body (1) in a sliding manner, and a lifting device (3) driving the lifting plate (2) to lift, wherein an accommodating cavity (11) capable of accommodating the lifting plate (2) and the lifting device (3) is concavely arranged on the upper surface of the fence body (1);
the lifting device (3) comprises a ratchet wheel (31) capable of driving the lifting plate (2) to lift, a first pawl (32) capable of driving the ratchet wheel (31) to rotate and a turnover rod (33) capable of driving the first pawl (32) to move, the ratchet wheel (31) is rotatably connected with the enclosure body (1), a sliding column (311) is eccentrically arranged on the end surface of the ratchet wheel (31), a sliding groove (21) for the sliding column (311) to slide in a rotating state is arranged at the lower end of the lifting plate (2), the sliding groove (21) is transversely arranged, the width of the sliding groove (21) is matched with the outer diameter of the sliding column (311), the ratchet wheel (31) is in a rotating state, the sliding column (311) is abutted against the side wall in the width direction of the sliding groove (21) and drives the lifting plate (2) to lift, the middle of the turnover rod (33) is hinged with the enclosure body (1), upset pole (33) length direction's one end sets up and supplies the people to trample in order to overturn footboard (331) of upset pole (33), and the other end is articulated mutually with first pawl (32), first pawl (32) are located ratchet (31) one side and are provided with between first pawl (32) and upset pole (33) and are used for drawing first pawl (32) and block into first spring (34) in the ratchet on ratchet (31), under upset pole (33) upset state, first pawl (32) are under the traction force effect of first spring (34) with ratchet (31) looks butt and promote ratchet (31) rotatory, still be provided with on enclosing fender body (1) and can restrict ratchet (31) reverse rotation's limiting device under lifter plate (2) action of gravity.
2. The construction fence according to claim 1, wherein: the limiting device comprises a second pawl (4), wherein the second pawl (4) is located on one side of a ratchet wheel (31), the second pawl (4) is hinged to a surrounding baffle body (1), a torsion spring capable of pulling the second pawl (4) to be clamped into a ratchet on the ratchet wheel (31) is arranged on the surrounding baffle body (1), the first pawl (32) drives the ratchet wheel (31) to rotate, the second pawl (4) slides on the back of the ratchet teeth, and when the first pawl (32) slides on the back of the ratchet teeth, the second pawl (4) is clamped into the ratchet wheel (31) and limits the reverse rotation of the ratchet wheel (31).
3. The construction fence according to claim 1, wherein: a second spring (35) is arranged between the turnover rod (33) and the bottom of the accommodating cavity (11), one side of the turnover rod (33) provided with the pedal (331) is lifted upwards when the second spring (35) is in a loose state, and the turnover rod (33) can be reset under the elastic action of the second spring (35) after the pedal (331) is pressed downwards to drive the turnover rod (33) to turn over.
4. A construction fence according to claim 1, 2 or 3 wherein: the groove (21) that slides is including horizontal segment (211) that are located groove (21) length direction both ends that slide and be located circular arc section (212) between two horizontal segments (211), horizontal segment (211) all become the level and set up, circular arc section (212) coincide with the rotation track of the post (311) that slides, the opening of circular arc section (212) is down, and lifter plate (2) height is unchangeable when sliding in circular arc section (212) to the post (311) that slides.
5. The construction fence according to claim 1, wherein: the length both sides of lifter plate (2) all are provided with a plurality of spin (22), all be provided with guide rail (12) that are convenient for spin (22) to roll on the length both sides wall of holding chamber (11), the cross section of guide rail (12) becomes "V" font setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810403494.6A CN108533062B (en) | 2018-04-28 | 2018-04-28 | Construction is with enclosing fender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810403494.6A CN108533062B (en) | 2018-04-28 | 2018-04-28 | Construction is with enclosing fender |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108533062A CN108533062A (en) | 2018-09-14 |
| CN108533062B true CN108533062B (en) | 2020-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810403494.6A Active CN108533062B (en) | 2018-04-28 | 2018-04-28 | Construction is with enclosing fender |
Country Status (1)
| Country | Link |
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| CN (1) | CN108533062B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048287B (en) * | 2018-09-19 | 2023-10-03 | 芜湖市星东塑胶模具制品有限公司 | Assembling device for coiled pipe |
| CN112243694A (en) * | 2020-09-10 | 2021-01-22 | 张美依 | Blueberry collection system is planted on ground |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2823769C (en) * | 2013-01-29 | 2016-01-05 | Danuser Llc | Post driver with grappler mechanism |
| CN205197232U (en) * | 2015-11-25 | 2016-05-04 | 何勇 | Beach umbrella base |
| CN106836961A (en) * | 2017-02-21 | 2017-06-13 | 青岛智享专利技术开发有限公司 | A kind of environmental treatment electric power generating plants coal dust automatic absorbing protecting wall manages protecting wall |
| CN107718076A (en) * | 2017-09-05 | 2018-02-23 | 何韦明 | White square rice cake slicer |
-
2018
- 2018-04-28 CN CN201810403494.6A patent/CN108533062B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2823769C (en) * | 2013-01-29 | 2016-01-05 | Danuser Llc | Post driver with grappler mechanism |
| CN205197232U (en) * | 2015-11-25 | 2016-05-04 | 何勇 | Beach umbrella base |
| CN106836961A (en) * | 2017-02-21 | 2017-06-13 | 青岛智享专利技术开发有限公司 | A kind of environmental treatment electric power generating plants coal dust automatic absorbing protecting wall manages protecting wall |
| CN107718076A (en) * | 2017-09-05 | 2018-02-23 | 何韦明 | White square rice cake slicer |
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| Publication number | Publication date |
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| CN108533062A (en) | 2018-09-14 |
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Effective date of registration: 20230406 Address after: Room E-1116, Floor 1, Building 29, Block B, No. 61, Dalingshan Road, Tianhe District, Guangzhou, Guangdong, 510000 Patentee after: Guangdong Huaqing Construction Engineering Co.,Ltd. Address before: Room 904, building 4, Higher Education Expo Garden, Chashan street, Ouhai District, Wenzhou City, Zhejiang Province 325000 Patentee before: WENZHOU BOWANG LIANKE CONSTRUCTION ENGINEERING Co.,Ltd. |
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