CN207428615U - A kind of Multifunctional sun-shading umbrella using solar energy - Google Patents
A kind of Multifunctional sun-shading umbrella using solar energy Download PDFInfo
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- CN207428615U CN207428615U CN201721453893.0U CN201721453893U CN207428615U CN 207428615 U CN207428615 U CN 207428615U CN 201721453893 U CN201721453893 U CN 201721453893U CN 207428615 U CN207428615 U CN 207428615U
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- telescopic rod
- umbrella
- solar energy
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Abstract
The utility model discloses a kind of Multifunctional sun-shading umbrella using solar energies, are related to umbrella using solar energy field.The Multifunctional sun-shading umbrella using solar energy, including umbrella using solar energy main body, folding rod, the first telescopic rod and circular-shaped table, the top of umbrella using solar energy main body is provided with umbrella cover, and umbrella cover is to be fixedly connected with folding rod, the surface of umbrella cover is installed with solar panel, the periphery of umbrella using solar energy main body is fixedly connected with sunshade, the underside of folding rod is connected with supporting rod, the surface of first telescopic rod is provided with sliding sleeve, and supporting rod is to be flexibly connected with sliding sleeve, the inner wall bottom of the first telescopic rod is installed with the first telescopic rod compression spring.The solar energy umbrella using solar energy bottom part body magnet is after powered up, the magnetism of energization magnet is far longer than the magnetism of general magnet, magnet is made closely to be connected with iron block, in dismounting, power-off can directly take out umbrella using solar energy main body and complete dismounting, and the umbrella using solar energy main body is fixed, convenient disassembly, practicability is high, suitable for the production and use of umbrella using solar energy, has good development prospect.
Description
Technical field
The utility model is related to umbrella using solar energy technical fields, are specially a kind of Multifunctional sun-shading umbrella using solar energy.
Background technology
The species of the energy is although various, but people most rely at present, most commonly used or fossil fuel, such as coal, stone
Oil and gas etc., however the reserves of this class A fuel A are limited, and being unevenly distributed, when use, are again seriously polluted, along with population
Increase and everyone energy consumption it is constantly soaring, make the energy increasingly depleted of nature, thus the mankind will be faced with it is comprehensive
Energy crisis, therefore more and more people all how to utilize this endlessly energy of solar energy, on the other hand, umbrella in research
In addition to can be with rain cover, the also effect with sunshade, for large-scale parasols, the umbrella cover in sunshade will
The sunlight of large area is received, if the sunlight can be used, unexpected effect can be brought.
But existing sunshade is single with umbrella using solar energy function, it is impossible to make full use of space in umbrella, umbrella body is larger, it has not been convenient to take
Band dismounts laborious complexity, and bottom fixation is not firm, and practicability is not high.
Utility model content
The purpose of this utility model is to provide a kind of Multifunctional sun-shading umbrella using solar energy, to solve in above-mentioned background technology
It is proposed that function is single, it is impossible to make full use of space in umbrella, umbrella body is larger, it has not been convenient to carry, dismount laborious complexity, and bottom is fixed
It is not firm, the problem of practicability is not high.
To achieve the above object, the utility model provides following technical solution：A kind of Multifunctional sun-shading umbrella using solar energy, bag
Umbrella using solar energy main body, folding rod, the first telescopic rod and circular-shaped table are included, the top of the umbrella using solar energy main body is provided with umbrella cover, and
For umbrella cover with folding rod to be fixedly connected, the surface of the umbrella cover is installed with solar panel, the umbrella using solar energy main body
Periphery be fixedly connected with sunshade, the underside of the folding rod is connected with supporting rod, the surface of first telescopic rod
Sliding sleeve is provided with, and supporting rod is to be flexibly connected with sliding sleeve, the inner wall bottom of first telescopic rod is installed with first and stretches
Contracting bar compresses spring, and is movably installed with the first telescopic rod button on the right side of the first telescopic rod compression spring, and described first is flexible
The second telescopic rod is provided on the downside of bar, and the first telescopic rod and the second telescopic rod are by the first telescopic rod button connects, it is described
The inner wall bottom of second telescopic rod is installed with the second telescopic rod compression spring, and the right side of the second telescopic rod compression spring is lived
It is dynamic that second telescopic rod button is installed, it is provided with the 3rd telescopic rod on the downside of second telescopic rod, and the second telescopic rod and the
Three telescopic rods are embedded with buckle slot, and circular-shaped table by the second telescopic rod button connects, the centre position both sides of the circular-shaped table
Left end be embedded with shaft, the right end of the circular-shaped table is installed with fixed block, and circular-shaped table is connected with fixed block by screw
It connecing, buckle is embedded on the downside of the circular-shaped table, the inner wall centre position of the 3rd telescopic rod is installed with voltage-stablizer, and
Converter converting AC into DC is installed on the downside of voltage-stablizer, storage is installed on the downside of the converter converting AC into DC
Battery, the bottom of the 3rd telescopic rod are fixed with magnet, and the bottom of the umbrella using solar energy main body is fixed with pedestal, and pedestal
Lower central bottom is fixed with iron block, and the lower left side of the circular-shaped table is installed with socket.
Further, the folding rod is both provided with eight with supporting rod, and sunshade is provided with six pieces.
Further, first telescopic rod and the first telescopic rod button are elastic connection, and the second telescopic rod is stretched with second
Contracting bar button is also elastic connection.
Further, the circular-shaped table is circle, and circular-shaped table is connected by shaft.
Further, the solar panel, voltage-stablizer, converter converting AC into DC and socket and accumulator are electrical
Connection.
Compared with prior art, the beneficial effects of the utility model are：The solar energy umbrella using solar energy main body is provided with folding
Bar and supporting rod, folding rod and supporting rod are both provided with eight, and sunshade is provided with six pieces, when packing up umbrella using solar energy main body
When, sliding sleeve is pulled down first, moves downward supporting rod, and then umbrella cover and sunshade are turned down by folding rod, complete solar energy
The contraction of umbrella main body, while the solar panel on umbrella cover can be protected not to be damaged, shrink simple, reduction umbrella using solar energy main body
Space, easy to carry, the first telescopic rod and the first telescopic rod button are elastic connection, the second telescopic rod and the second telescopic rod button
Also for elastic connection, when opening umbrella using solar energy main body, the first telescopic rod and the second telescopic rod are directly stretched manually, are stretched when first
When bar is stretched to extreme position, the first telescopic rod button is popped up a distance by the first telescopic rod compression spring, makes first to stretch
Bar button blocks the second telescopic rod, completes the fixation of the first telescopic rod and the second telescopic rod, and the second telescopic rod is stretched to limit position
When putting, the second telescopic rod button is popped up a distance by the second telescopic rod compression spring, and the second telescopic rod button is made to block the 3rd
Telescopic rod completes the fixation of the second telescopic rod and the 3rd telescopic rod, and when closing umbrella using solar energy main body, first Manual press second is flexible
Bar button makes the second telescopic rod button squeeze the second telescopic rod compression spring, the second telescopic rod is made to be retracted to the 3rd telescopic rod
Inside, then the first telescopic rod of Manual press button, makes the first telescopic rod button squeeze the first telescopic rod compression spring, makes first
Telescopic rod is retracted to the inside of the second telescopic rod, and the umbrella using solar energy main body retractable operation is simple, time saving and energy saving, and circular-shaped table is circle
Shape, and circular-shaped table is connected by shaft, when installing circular-shaped table, first is rotated to be closed by shaft by circular-shaped table and be stretched mounted on the 3rd
Contracting bar the upper surface of, circular-shaped table by snapping into buckle slot be secured transverse on the 3rd telescopic rod, then by fixed block card
It is connected on two semicircle desktops, then circular-shaped table is fixed in fixed block by screw, complete the longitudinally fixed of circular-shaped table, removing circle
During shape table, screw is screwed out into fixed block first, then manually extracts fixed block, is opened circular-shaped table by shaft, completes dismounting,
Circular-shaped table dismounting is easy, saves space in umbrella, practicability is stronger, solar panel, voltage-stablizer, converter converting AC into DC
With socket and accumulator to be electrically connected, when solar energy umbrella using solar energy main body is opened, solar panel by solar power generation,
The electricity that solar panel is sent first passes through voltage-stablizer and alternating voltage is become voltage stabilizing electricity, and then voltage stabilizing electricity turns direct current by exchange
Alternating current is switched to direct current by converter, realizes that exchange turns the function of direct current, the electricity that solar energy generates can be stored directly in electric power storage
In pond, it also can directly directly be charged by socket to mobile phone and other electric appliances, umbrella using solar energy main body is fixed in pedestal
When, it first passes through accumulator and is powered to magnet, after powered up, the magnetism of energization magnet is far longer than the magnetic of general magnet to magnet
Property, magnet is made closely to be connected with iron block, in dismounting, power-off can directly take out umbrella using solar energy main body and complete dismounting, the sun
Energy umbrella main body is fixed, convenient disassembly, and practicability is high.
Description of the drawings
Fig. 1 is the whole interior structure diagram of the utility model；
Fig. 2 is the overall structure diagram of the utility model；
Fig. 3 is the telescopic rod cross-sectional view of the utility model；
Fig. 4 is the circular-shaped table bottom substance schematic diagram of the utility model.
In figure：1st, umbrella using solar energy main body；2nd, folding rod；3rd, umbrella cover；4th, solar panel；5th, sunshade；6th, supporting rod；
7th, sliding sleeve；8th, the first telescopic rod；801st, the first telescopic rod compression spring；802nd, the first telescopic rod button；9th, the second telescopic rod；
901st, the second telescopic rod compression spring；902nd, the second telescopic rod button；10th, the 3rd telescopic rod；11st, circular-shaped table；1101st, it is buckled
Slot；1102nd, shaft；1103rd, screw；1104th, fixed block；12nd, it is buckled；13rd, voltage-stablizer；14th, converter converting AC into DC；15、
Accumulator；16th, iron plate；17th, magnet；18th, pedestal；19th, socket.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment, based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
It please refers to Fig.1 to 4, the utility model provides a kind of technical solution：A kind of Multifunctional sun-shading umbrella using solar energy, including
Umbrella using solar energy main body 1, folding rod 2, umbrella cover 3, solar panel 4, sunshade 5, supporting rod 6, sliding sleeve 7, the first telescopic rod 8,
First telescopic rod compression spring 801, the first telescopic rod button 802, the second telescopic rod 9, the second telescopic rod compression spring 901, the
Two telescopic rod buttons 902, the 3rd telescopic rod 10, circular-shaped table 11, buckle slot 1101, shaft 1102, screw 1103, fixed block
1104th, be buckled 12,1 voltage-stablizer 3, converter converting AC into DC 14, accumulator 15, iron plate 16, magnet 17, pedestal 18 and socket
19, the top of umbrella using solar energy main body 1 is provided with umbrella cover 3, and umbrella cover 3 is to be fixedly connected with folding rod 2, and the surface of umbrella cover 3 is fixed
Solar panel 4 is installed, the periphery of umbrella using solar energy main body 1 is fixedly connected with sunshade 5, and the underside of folding rod 2 connects
Be connected to supporting rod 6, the surface of the first telescopic rod 8 is provided with sliding sleeve 7, and supporting rod 6 with sliding sleeve 7 to be flexibly connected, when packing up too
It is positive can umbrella main body 1 when, pull down sliding sleeve 7 first, move downward supporting rod 6, then by folding rod 2 by umbrella cover 3 and sunshade 5
Fold, completes the contraction of umbrella using solar energy main body 1, while the solar panel 4 on umbrella cover 3 can be protected not to be damaged, and shrinks letter
It is single, reduce the space of umbrella using solar energy main body 1, the inner wall bottom of the first telescopic rod 8 easy to carry is installed with the first telescopic rod
Spring 801 is compressed, and the right side of the first telescopic rod compression spring 801 is movably installed with the first telescopic rod button 802, first is flexible
The downside of bar 8 is provided with the second telescopic rod 9, and the first telescopic rod 8 is connected with the second telescopic rod 9 by the first telescopic rod button 802
It connects, the inner wall bottom of the second telescopic rod 9 is installed with the second telescopic rod compression spring 901, and the second telescopic rod compression spring
901 right side is movably installed with the second telescopic rod button 902, and the downside of the second telescopic rod 9 is provided with the 3rd telescopic rod 10, and
Two telescopic rods 9 are connected with the 3rd telescopic rod 10 by the second telescopic rod button 902, when opening umbrella using solar energy main body 1, directly manually
The first telescopic rod 8 and the second telescopic rod 9 are stretched, when the first telescopic rod 8 is stretched to extreme position, the first telescopic rod compression spring
First telescopic rod button 802 is popped up a distance by 801, and the first telescopic rod button 802 is made to block the second telescopic rod 9, completes the
The fixation of one telescopic rod 8 and the second telescopic rod 9, when the second telescopic rod 9 is stretched to extreme position, the second telescopic rod compression spring
Second telescopic rod button 902 is popped up a distance by 901, and the second telescopic rod button 902 is made to block the 3rd telescopic rod 10, completes the
The fixation of two telescopic rods 9 and the 3rd telescopic rod 10, when closing umbrella using solar energy main body 1, first the second telescopic rod of Manual press button
902, the second telescopic rod button 902 is made to squeeze the second telescopic rod compression spring 901, the second telescopic rod 9 is made to be retracted to the 3rd flexible
The inside of bar 10, then the first telescopic rod of Manual press button 802, makes the first telescopic rod button 802 squeeze the first telescopic rod pressure
Contracting spring 801 makes the first telescopic rod 8 be retracted to the inside of the second telescopic rod 9, and 1 retractable operation of umbrella using solar energy main body is simple, saves
Shi Shengli, the centre position both sides of circular-shaped table 11 are embedded with buckle slot 1101, and the left end of circular-shaped table 11 is embedded with shaft 1102,
The right end of circular-shaped table 11 is installed with fixed block 1104, and circular-shaped table 11 is connected with fixed block 1104 by screw 1103,
When circular-shaped table 11 is installed, circular-shaped table 11 is first rotated into closure by shaft 1102 and is mounted on the 3rd telescopic rod 10 the upper surface of, it is circular
Table 11 into buckle slot 1101 be secured transverse on the 3rd telescopic rod 10 by buckle 12, is then clamped fixed block 1104
Circular-shaped table 11 is fixed in fixed block 1104 on two semicircle desktops, then by screw 1103, and the longitudinal direction for completing circular-shaped table 11 is consolidated
It is fixed, when removing circular-shaped table 11, screw 1103 is screwed out into fixed block 1104 first, then manually extract fixed block 1104, pass through
Shaft 1101 opens circular-shaped table 11, completes dismounting, which dismounts simplicity, saves space in umbrella, and practicability is stronger, circle
The downside of shape table 11 is embedded with buckle 12, and the inner wall centre position of the 3rd telescopic rod 10 is installed with voltage-stablizer 13, and voltage stabilizing
The downside of device 13 is installed with converter converting AC into DC 14, and the downside of converter converting AC into DC 14 is installed with electric power storage
Pond 15, the bottom of the 3rd telescopic rod 10 are fixed with magnet 17, and the bottom of umbrella using solar energy main body 1 is fixed with pedestal 18, and pedestal 18
Lower central bottom be fixed with iron block 16, the lower left side of circular-shaped table 11 is installed with socket 19, solar energy umbrella using solar energy main body 1
During opening, for solar panel 4 by solar power generation, the electricity that solar panel 4 is sent first passes through voltage-stablizer 13 by alternation
Voltage becomes voltage stabilizing electricity, and then alternating current is switched to direct current by voltage stabilizing electricity by converter converting AC into DC 14, realizes that exchange turns
The function of direct current, the electricity that solar energy generates can be stored directly in accumulator 15, also can be directly by socket 19 directly to mobile phone
It charges with other electric appliances, when umbrella using solar energy main body 1 is fixed in pedestal, first passes through accumulator 15 and magnet 17 is led to
Electricity, after powered up, the magnetism of energization magnet 17 is far longer than the magnetism of general magnet to magnet 17, makes magnet 17 close with iron block 16
Connection, in dismounting, power-off can directly take out umbrella using solar energy main body 1 and complete dismounting, and the umbrella using solar energy main body 1 is fixed,
Convenient disassembly, practicability are high.
Operation principle：Sliding sleeve 7 is up promoted first, opens umbrella using solar energy main body 1, then directly stretches first manually and stretches
8 and second telescopic rod 9 of bar, when the first telescopic rod 8 is stretched to extreme position, the first telescopic rod compression spring 801 is stretched first
Contracting bar button 802 pops up a distance, and the first telescopic rod button 802 is made to block the second telescopic rod 9, complete the first telescopic rod 8 with
The fixation of second telescopic rod 9, when the second telescopic rod 9 is stretched to extreme position, the second telescopic rod compression spring 901 stretches second
Bar button 902 pops up a distance, and the second telescopic rod button 902 is made to block the 3rd telescopic rod 10, completes the second telescopic rod 9 and the
The fixation of three telescopic rods 10 is powered to magnet 17 by accumulator 15, magnet 17 after powered up, the magnetism of energization magnet 17
It is far longer than the magnetism of general magnet, magnet 17 is made closely to be connected with iron block 16, then circular-shaped table 11 is installed, by circular-shaped table
11 rotate closure by shaft 1102 is mounted on the 3rd telescopic rod 10 the upper surface of, and circular-shaped table 11 enters buckle slot by buckle 12
1101 be secured transverse on the 3rd telescopic rod 10, and then fixed block 1104 is connected on two semicircle desktops, then is passed through
Screw 1103 fixes circular-shaped table 11 in fixed block 1104, completes the longitudinally fixed of circular-shaped table 11, solar panel 4 passes through the sun
It can generate electricity, the electricity that solar panel 4 is sent first passes through voltage-stablizer 13 and alternating voltage is become voltage stabilizing electricity, and then voltage stabilizing electricity passes through
Alternating current is switched to direct current by converter converting AC into DC 14, and the electricity that solar energy generates can be stored directly in accumulator 15,
It can directly be charged by socket 19 to mobile phone and other electric appliances, when packing up umbrella using solar energy main body 1, first remove circular-shaped table
11, screw 1103 is screwed out into fixed block 1104, then manually extract fixed block 1104, circular-shaped table 11 is beaten by shaft 1101
It opens, completes dismounting, when closing umbrella using solar energy main body 1, first the second telescopic rod of Manual press button 902 makes the second telescopic rod button
902 squeeze the second telescopic rod compression spring 901, and the second telescopic rod 9 is made to be retracted to the inside of the 3rd telescopic rod 10, is then pressed manually
The first telescopic rod button 802 is pressed, the first telescopic rod button 802 is made to squeeze the first telescopic rod compression spring 801, makes the first telescopic rod
8 are retracted to the inside of the second telescopic rod 9, and 1 retractable operation of umbrella using solar energy main body is simple, time saving and energy saving, then pulls down sliding sleeve 7,
Supporting rod 6 is moved downward, is then turned down umbrella cover 3 and sunshade 5 by folding rod 2, completes the receipts of umbrella using solar energy main body 1
Contracting, while the solar panel 4 on umbrella cover 3 can be protected not to be damaged, subsequently power-off can directly take out umbrella using solar energy master
Body 1 completes dismounting, and the umbrella using solar energy main body 1 is fixed, convenient disassembly, and practicability is high.Here it is this kind of Multifunctional sun-shadings to use
The concrete operating principle of umbrella using solar energy.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of Multifunctional sun-shading umbrella using solar energy, including umbrella using solar energy main body（1）, folding rod（2）, the first telescopic rod（8）With
Circular-shaped table（11）, it is characterised in that：The umbrella using solar energy main body（1）Top be provided with umbrella cover（3）, and umbrella cover（3）With folding
Bar（2）To be fixedly connected, the umbrella cover（3）Surface be installed with solar panel（4）, the umbrella using solar energy main body
（1）Periphery be fixedly connected with sunshade（5）, the folding rod（2）Underside be connected with supporting rod（6）, described first
Telescopic rod（8）Surface be provided with sliding sleeve（7）, and supporting rod（6）With sliding sleeve（7）For flexible connection, first telescopic rod（8）
Inner wall bottom be installed with the first telescopic rod compression spring（801）, and the first telescopic rod compression spring（801）Right side live
It is dynamic that first telescopic rod button is installed（802）, first telescopic rod（8）Downside be provided with the second telescopic rod（9）, and first
Telescopic rod（8）With the second telescopic rod（9）Pass through the first telescopic rod button（802）Connection, second telescopic rod（9）Inner wall bottom
Portion is installed with the second telescopic rod compression spring（901）, and the second telescopic rod compression spring（901）Right side be movably installed with
Second telescopic rod button（902）, second telescopic rod（9）Downside be provided with the 3rd telescopic rod（10）, and the second telescopic rod
（9）With the 3rd telescopic rod（10）Pass through the second telescopic rod button（902）Connection, the circular-shaped table（11）Centre position both sides in
Embedded with buckle slot（1101）, and circular-shaped table（11）Left end be embedded with shaft（1102）, the circular-shaped table（11）Right end fix
Fixed block is installed（1104）, and circular-shaped table（11）With fixed block（1104）Pass through screw（1103）Connection, the circular-shaped table
（11）Downside be embedded with buckle（12）, the 3rd telescopic rod（10）Inner wall centre position be installed with voltage-stablizer
（13）, and voltage-stablizer（13）Downside be installed with converter converting AC into DC（14）, the converter converting AC into DC
（14）Downside be installed with accumulator（15）, the 3rd telescopic rod（10）Bottom be fixed with magnet（17）, it is described too
Positive energy umbrella main body（1）Bottom be fixed with pedestal（18）, and pedestal（18）Lower central bottom be fixed with iron block（16）, the circle
Shape table（11）Lower left side be installed with socket（19）.
2. a kind of Multifunctional sun-shading umbrella using solar energy according to claim 1, it is characterised in that：The folding rod（2）With
Supporting rod（6）It is both provided with eight, and sunshade（5）It is provided with six pieces.
3. a kind of Multifunctional sun-shading umbrella using solar energy according to claim 1, it is characterised in that：First telescopic rod
（8）With the first telescopic rod button（802）For elastic connection, the second telescopic rod（9）With the second telescopic rod button（902）Also it is elasticity
Connection.
4. a kind of Multifunctional sun-shading umbrella using solar energy according to claim 1, it is characterised in that：The circular-shaped table（11）For
Circle, and circular-shaped table（11）Pass through shaft（1102）Connection.
5. a kind of Multifunctional sun-shading umbrella using solar energy according to claim 1, it is characterised in that：The solar panel
（4）, voltage-stablizer（13）, converter converting AC into DC（14）And socket（19）With accumulator（15）It is to be electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721453893.0U CN207428615U (en) | 2017-11-03 | 2017-11-03 | A kind of Multifunctional sun-shading umbrella using solar energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721453893.0U CN207428615U (en) | 2017-11-03 | 2017-11-03 | A kind of Multifunctional sun-shading umbrella using solar energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207428615U true CN207428615U (en) | 2018-06-01 |
Family
ID=62290991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721453893.0U Expired - Fee Related CN207428615U (en) | 2017-11-03 | 2017-11-03 | A kind of Multifunctional sun-shading umbrella using solar energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207428615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479464A (en) * | 2019-08-22 | 2019-11-22 | 许皖 | A kind of lime stone flouring technology optimization method |
-
2017
- 2017-11-03 CN CN201721453893.0U patent/CN207428615U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479464A (en) * | 2019-08-22 | 2019-11-22 | 许皖 | A kind of lime stone flouring technology optimization method |
| CN110479464B (en) * | 2019-08-22 | 2020-11-06 | 浙江钙科机械设备有限公司 | Limestone powder preparation process optimization method |
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| CF01 | Termination of patent right due to non-payment of annual fee |