CN107041626A - A kind of liftable desk - Google Patents
A kind of liftable desk Download PDFInfo
- Publication number
- CN107041626A CN107041626A CN201710157914.2A CN201710157914A CN107041626A CN 107041626 A CN107041626 A CN 107041626A CN 201710157914 A CN201710157914 A CN 201710157914A CN 107041626 A CN107041626 A CN 107041626A
- Authority
- CN
- China
- Prior art keywords
- support bar
- bearing
- locking system
- respectively equipped
- bar
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/16—Tables with tops of variable height with means for, or adapted for, inclining the legs of the table for varying the height of the top, e.g. with adjustable cross legs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/02—Tables or desks for office equipment, e.g. typewriters, keyboards with vertical adjustable parts
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/04—Tables or desks for office equipment, e.g. typewriters, keyboards characterised by means for holding or fastening typewriters or computer equipment
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
The present invention discloses a kind of liftable desk, including table, Keyboard supporting board, lowering or hoisting gear, locking system and drum bearing, and the both sides of the table bottom, which are respectively equipped between desktop side plate, two desktop side plates, is fixedly connected with multiple coulisses；It is equipped with the locking system between two neighboring coulisse, the locking system is made up of two slide bars being applied in two neighboring slide mounting hole, multiple gear plates being connected with two slide bars, the baffle plate being arranged in the middle part of slide bar and the locking system back-moving spring that is arranged between gear plate and coulisse；The lowering or hoisting gear is made up of multigroup lifter group being arranged symmetrically, and the lifter group is made up of first support bar, second support bar and support bar back-moving spring.The present invention uses multigroup lifter group being symmetrically arranged, and the quantity of lifter group can be set according to the width of desktop, it is ensured that table is in horizontality all the time, and ensureing that table can be stablized using locking system is in a certain height.
Description
Technical field
The present invention relates to a kind of liftable desk.
Background technology
At present, office crowds cause cervical vertebra, lumbar vertebrae slight illness to occur due to bending over one's desk working for a long time, influence it is healthy and
Office efficiency is, it is necessary to which a kind of liftable desk, can be achieved to stand alternates the pattern of office with sitting.Existing liftable is done
Work table range is smaller, and width is larger, is unfavorable for putting, and cylinder is used locking system more, involves great expense, easily
Damage.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides a kind of liftable desk, using symmetrical
Formula elevating mechanism, desktop narrow width is adapted to the limited place of placement space, while provided with mechanical lock locking apparatus, it is simple in construction,
Service life is long.
The technical solution adopted in the present invention is：
A kind of liftable desk, including table, Keyboard supporting board, lowering or hoisting gear, locking system and drum bearing, the table
The both sides of plate bottom be respectively equipped between desktop side plate, two desktop side plates be fixedly connected with it is multiple perpendicular with desktop side plate
Coulisse；Parallel support bar bearing pin chute and Keyboard supporting board chute, the keyboard are respectively equipped with the multiple coulisse
The two ends of supporting plate are arranged in Keyboard supporting board chute；Multiple first bearings are respectively equipped with described two desktop side plates；Described two
It is respectively equipped with to run through in action bars mounting hole, two action bars mounting holes in the middle part of individual desktop side plate and has descending operation bar；
The two ends of the multiple coulisse are respectively equipped with slide mounting hole；The locking system is equipped between two neighboring coulisse,
The locking system is by two slide bars being applied in two neighboring slide mounting hole, multiple gears being connected with two slide bars
Plate, the baffle plate being arranged in the middle part of slide bar and the locking system back-moving spring composition being arranged between gear plate and coulisse；It is described
Drum bearing is included on two base side plates and the horizontal support plate being fixedly connected with two base side plates, described two base side plates
It is respectively equipped with multiple second bearings corresponding with the first bearing；Support bar is respectively equipped with first bearing and the second bearing
Mounting hole；The lowering or hoisting gear is made up of multigroup lifter group being arranged symmetrically, and the lifter group is by first support bar, second
Support bar and support bar back-moving spring composition, one end of the first support bar are hinged by bearing pin with the first bearing, the other end
It is hinged by first support bar bearing pin with second support bar middle part, one end of the second support bar passes through bearing pin and second
Bearing is hinged, and the other end is connected by second support bar bearing pin with support bar bearing pin chute；The first support bar is provided with bullet
Spring peg, one end of the support bar back-moving spring is connected with Spring hanging rod, and the other end is connected with second support bar bearing pin.
Further, multiple gear holes being evenly arranged are respectively equipped with the multiple gear plate.
Further, the two ends of the Keyboard supporting board are respectively equipped with two slide rail mounting grooves, described two slide rail mounting grooves
Inside it is separately installed with slide rail.
Further, the front end of the table is provided with two computer monitor fix bar mounting holes, and described two computers show
Show in device fix bar mounting hole and be inserted with computer monitor fix bar.
Further, the front end of the table is provided with cable-through hole close to the position of computer monitor fix bar.
Pen standing groove is additionally provided with the further table.
Further, one end of the descending operation bar is provided with operation handle, the lifting between two desktop side plates
Action bars is provided with two cams.
Further, cam structure triangular in shape, two side panels of the cam are respectively paraxial planar and remote
Axial plane.
Further, the gabarit of the desktop side plate and base side plate is in flowing water shape lines respectively.
Further, first bearing and the second bearing take the shape of the letter U shape respectively.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) lowering or hoisting gear is constituted using multigroup lifter group being symmetrically arranged, the quantity of lifter group can be according to table
The width of plate is set, it is ensured that table is in horizontality all the time；Table rising height determines by the length of support bar, lifter group
Using lateral arrangement, table lateral length advantage is efficiently utilized, table depth is shorter and smaller, is conveniently positioned over existing do
On public room desktop；
(2) lifter group is connected by support bar bearing pin with support bar bearing pin chute, realizes support bar with respect to table
Rotate with sliding；
(3) it is engaged using locking system with descending operation bar so that table can be firmly secured at a certain height；
(4) use support bar back-moving spring to rise for desktop and power is provided, use locking system back-moving spring to be filled for locking
Put reset and power is provided.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the embodiment of the present invention；
Fig. 2 is the overall structure upward view of the embodiment of the present invention；
Fig. 3 is the structural representation of table in the embodiment of the present invention；
Fig. 4 is the structural representation of drum bearing in the embodiment of the present invention；
Fig. 5 is the structural representation of lowering or hoisting gear in the embodiment of the present invention；
Fig. 6 is the structural representation of locking system in the embodiment of the present invention；
Fig. 7 is the structural representation of descending operation bar in the embodiment of the present invention；
Fig. 8 is the structural representation of Keyboard supporting board in the embodiment of the present invention；
Wherein, 1, table, 2, lowering or hoisting gear, 3, drum bearing, 4, locking system, 5, bearing pin, 6, computer monitor fixes
Bar, 7, pen standing groove, 8, cable-through hole, 9, descending operation bar, 10, operation handle, 11, Keyboard supporting board, 12, computer monitor it is solid
Fixed pole mounting hole, 13, desktop side plate, 14, coulisse, the 15, first bearing, 16, finger-board chute, 17, support bar bearing pin chute,
18th, action bars mounting hole, 19, support bar mounting hole, 20, slide mounting hole, 21, base side plate, the 22, second bearing, 23 first
Support bar bearing pin, 24, second support bar bearing pin, 25, Spring hanging rod, 26, slide bar, 27, gear plate, 28, baffle plate, 29, gear
Hole, 30, cam, 31, paraxial planar, 32, distal shaft plane, 33, slide rail mounting groove, 34, slide rail, 35, second support bar, 36, branch
Strut back-moving spring, 37, locking system back-moving spring, 38, first support bar.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figure 1-2, a kind of liftable desk, including table 1, Keyboard supporting board 11, drum bearing 3, lowering or hoisting gear 2
With locking system 4.
As shown in figure 3, the front end of the table 1 is provided with two computer monitor fix bar mounting holes 12, described two electricity
Computer monitor fix bar 6 is inserted with brain display fastening rods mounting hole, computer monitor support is clipped in into computer monitor consolidates
Between fixed pole and panel, computer monitor is fixed；The desktop front end was provided with close to the position of computer monitor fix bar
Pen standing groove 7 is additionally provided with string holes 8, the table；The both sides of the table bottom are respectively equipped with desktop side plate 13, two tables
It is fixedly connected with four coulisses 14 perpendicular with desktop side plate, four coulisses and is respectively equipped between surface side plate 13
Two the first bearings 15 are respectively equipped with parallel support bar bearing pin chute 17 and finger-board chute 16, two desktop side plates；
Described two desktop side plates, which are respectively equipped with to run through in action bars mounting hole 18, two action bars mounting holes, descending operation bar 9；Institute
The gabarit for the desktop side plate stated is in flowing water shape lines；The two ends of four coulisses are respectively equipped with slide mounting hole 20；Two
Locking system is provided between coulisse 14.
As shown in figure 4, the drum bearing includes two base side plates 21 and the horizontal stroke being fixedly connected with two base side plates
Two second bearings 22 corresponding with the first bearing are respectively equipped with supporting plate 35, described two base side plates 21；Described
Support bar mounting hole 19 is respectively equipped with one bearing 15 and the second bearing 22, the gabarit of the base side plate 21 is in flowing water shape line
Bar；When desktop is moved down, and desktop side plate 13 is contacted with base side plate 21, the desktop side plate flowing water shape gabarit lines of contact portion with
Base side plate flowing water shape gabarit lines are overlapped.
The lowering or hoisting gear 3 is made up of 2~6 groups of lifter groups being arranged symmetrically, as shown in figure 5, in the present embodiment, it is described
Lowering or hoisting gear 3 is made up of four groups of lifter groups being arranged symmetrically, and the lifter group is by first support bar 38, second support bar 35
Constituted with support bar back-moving spring 36, one end of the first support bar 38 is hinged by bearing pin 5 with the first bearing 15, the other end
It is hinged by first support bar bearing pin 23 with the middle part of second support bar 35, one end of the second support bar 35 passes through bearing pin
5 are hinged with the second bearing 22, and the other end is connected by second support bar bearing pin 24 with support bar bearing pin chute 17, can be along support
Lever pin axle chute 17 is slided, and is only relatively rotated above by two parts of hinge, passes through second support bar bearing pin and branch
Two parts of strut bearing pin chute connection can be relatively rotated and slided；The first support bar is provided with Spring hanging rod, the branch
One end of strut back-moving spring 36 is connected with Spring hanging rod 25, and the other end is connected with second support bar bearing pin 24, is that desktop rises
Power is provided.
As shown in fig. 6, the locking system 4 is by two slide bars being applied in the slide mounting hole of two neighboring coulisse
26th, four with gear plate 27 that two slide bars are connected, set baffle plate 28 and locking system back-moving spring 37 in the middle part of slide bar to constitute；
There are multiple gear holes 29 being evenly arranged on four gear plates 27 respectively；The locking system back-moving spring 37 is located at gear
Between plate 26 and coulisse 14, resetted for locking system and power is provided.
As shown in fig. 7, one end of the descending operation bar 9 is provided with operation handle 10, between two desktop side plates
Descending operation bar is provided with two cams 30, the cam structure triangular in shape, and two side panels of the cam are respectively near
Axial plane 31 and distal shaft plane 32；
As shown in figure 8, the both sides of the Keyboard supporting board 11 are respectively equipped with two slide rail mounting grooves 33, described two slide rail peaces
Slide rail 34 is installed, the two ends of the Keyboard supporting board 11 are slided by slide rail 34 in finger-board chute 16 in tankage.
Its embodiment is：
Lowering or hoisting gear 2 is constituted using 4 groups of lifter groups being symmetrically arranged, it is ensured that located all the time in the lifting process of table 1
In horizontality；The adjustable height of table 1 is determined that lifter group is using horizontal by first support bar 38, the length of second support bar 35
To arrangement, table lateral length advantage is efficiently utilized；Locking system 4 is mechanical structure, when the paraxial planar 31 of cam
When being contacted with baffle plate 28, in the gear hole 29 of the second supporting plate bearing pin 24 insertion gear plate, locking system 4 is in lockup state,
The operation handle 10 of descending operation bar is rotated, band moving cam 30 is rotated, and cam 30 is promoted and moved after baffle plate 28, is driven after gear plate 27
Move, until gear plate 27 disengages with the second supporting plate pin 24, now locking system 4 is in released state, it is now upward or
Person moves down table 1, drives the second supporting plate bearing pin 24 will be along support bar bearing pin chute 17 slidably, when table 1 is moved
To after a certain proper height, opposite direction goes back to the operation handle 10 of descending operation bar, now the distal shaft plane 32 and baffle plate of cam
During 28 contact, in the gear hole 29 of the second supporting plate bearing pin 24 insertion gear plate, locking system 4 recovers lockup state, whole mistake
Cheng Zhong, locking system back-moving spring 37 is constantly in compressive state between gear plate 27 and coulisse 14, is locking system
Reset and power is provided.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deform still within protection scope of the present invention that creative work can make.
Claims (10)
1. a kind of liftable desk, it is characterized in that, including table, Keyboard supporting board, lowering or hoisting gear, locking system and drum branch
Seat, the both sides of the table bottom, which are respectively equipped between desktop side plate, two desktop side plates, is fixedly connected with multiple and desktop side
The perpendicular coulisse of plate；Parallel support bar bearing pin chute is respectively equipped with the multiple coulisse and Keyboard supporting board is slided
Groove, the two ends of the Keyboard supporting board are arranged in Keyboard supporting board chute；Multiple first are respectively equipped with described two desktop side plates
Bearing；Being respectively equipped with to run through in action bars mounting hole, two action bars mounting holes in the middle part of described two desktop side plates has
Descending operation bar；The two ends of the multiple coulisse are respectively equipped with slide mounting hole；It is all provided between two neighboring coulisse
Locking system is stated, the locking system is by two slide bars being applied in two neighboring slide mounting hole, multiple and two slide bars
The gear plate being connected, the baffle plate being arranged in the middle part of slide bar and the locking system being arranged between gear plate and coulisse reset bullet
Spring is constituted；The drum bearing includes two base side plates and the horizontal support plate being fixedly connected with two base side plates, described two
Multiple second bearings corresponding with the first bearing are respectively equipped with individual base side plate；Divide on first bearing and the second bearing
She You not support bar mounting hole；The lowering or hoisting gear is made up of multigroup lifter group being arranged symmetrically, and the lifter group is by
One support bar, second support bar and support bar back-moving spring composition, one end of the first support bar passes through bearing pin and first
Seat is hinged, and the other end is hinged by first support bar bearing pin with second support bar middle part, one end of the second support bar
It is hinged by bearing pin with the second bearing, the other end is connected by second support bar bearing pin with support bar bearing pin chute；Described first
Support bar is provided with Spring hanging rod, and one end of the support bar back-moving spring is connected with Spring hanging rod, the other end and the second support
Lever pin axle is connected.
2. a kind of liftable desk according to claim 1, it is characterized in that, it is respectively equipped with the multiple gear plate many
The individual gear hole being evenly arranged.
3. a kind of liftable desk according to claim 1, it is characterized in that, the two ends of the Keyboard supporting board are respectively equipped with
Slide rail is separately installed with two slide rail mounting grooves, described two slide rail mounting grooves.
4. a kind of liftable desk according to claim 1, it is characterized in that, the front end of the table is provided with two computers
Computer monitor fix bar is inserted with display fastening rods mounting hole, described two computer monitor fix bar mounting holes.
5. a kind of liftable desk according to claim 4, it is characterized in that, the front end of the table is shown close to computer
The position of device fix bar is provided with cable-through hole.
6. a kind of liftable desk according to claim 1, it is characterized in that, pen placement is additionally provided with the table
Groove.
7. a kind of liftable desk according to claim 1, it is characterized in that, one end of the descending operation bar is provided with behaviour
Make handle, the descending operation bar between two desktop side plates is provided with two cams.
8. a kind of liftable desk according to claim 7, it is characterized in that, the cam structure triangular in shape is described
Two side panels of cam are respectively paraxial planar and distal shaft plane.
9. a kind of liftable desk according to claim 1, it is characterized in that, outside the desktop side plate and base side plate
Wide is in flowing water shape lines respectively.
10. a kind of liftable desk according to claim 1, it is characterized in that, first bearing and the second bearing point
Do not take the shape of the letter U shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710157914.2A CN107041626B (en) | 2017-03-16 | 2017-03-16 | Liftable desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710157914.2A CN107041626B (en) | 2017-03-16 | 2017-03-16 | Liftable desk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107041626A true CN107041626A (en) | 2017-08-15 |
| CN107041626B CN107041626B (en) | 2020-02-28 |
Family
ID=59544862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710157914.2A Active CN107041626B (en) | 2017-03-16 | 2017-03-16 | Liftable desk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107041626B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107744256A (en) * | 2017-10-13 | 2018-03-02 | 韩魁 | A kind of liftable desk |
| CN109090836A (en) * | 2018-10-25 | 2018-12-28 | 江苏建筑职业技术学院 | The drawing table of height of table top and angle automatic adjusument |
| CN114698928A (en) * | 2022-04-22 | 2022-07-05 | 南通市久正人体工学股份有限公司 | Lifting mechanism and lifting table |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273306A (en) * | 1978-06-10 | 1981-06-16 | Chang Pek S | Adjustable-height support apparatus |
| CN201509839U (en) * | 2009-09-02 | 2010-06-23 | 郭丛溪 | Lifting table |
| CN205180731U (en) * | 2014-03-31 | 2016-04-27 | 再兴电子(深圳)有限公司 | Height -adjustable desk platform |
| CN106263505A (en) * | 2016-10-18 | 2017-01-04 | 杭州蓝达工艺制品有限公司 | Double-layer lifting desktop |
-
2017
- 2017-03-16 CN CN201710157914.2A patent/CN107041626B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273306A (en) * | 1978-06-10 | 1981-06-16 | Chang Pek S | Adjustable-height support apparatus |
| CN201509839U (en) * | 2009-09-02 | 2010-06-23 | 郭丛溪 | Lifting table |
| CN205180731U (en) * | 2014-03-31 | 2016-04-27 | 再兴电子(深圳)有限公司 | Height -adjustable desk platform |
| CN106263505A (en) * | 2016-10-18 | 2017-01-04 | 杭州蓝达工艺制品有限公司 | Double-layer lifting desktop |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107744256A (en) * | 2017-10-13 | 2018-03-02 | 韩魁 | A kind of liftable desk |
| CN107744256B (en) * | 2017-10-13 | 2020-01-03 | 韩魁 | Liftable desk |
| CN109090836A (en) * | 2018-10-25 | 2018-12-28 | 江苏建筑职业技术学院 | The drawing table of height of table top and angle automatic adjusument |
| CN109090836B (en) * | 2018-10-25 | 2021-04-30 | 江苏建筑职业技术学院 | Drawing table with self-adaptive adjustment of height and angle of table top |
| CN114698928A (en) * | 2022-04-22 | 2022-07-05 | 南通市久正人体工学股份有限公司 | Lifting mechanism and lifting table |
| CN114698928B (en) * | 2022-04-22 | 2022-11-22 | 南通市久正人体工学股份有限公司 | Lifting mechanism and lifting table |
| WO2023202057A1 (en) * | 2022-04-22 | 2023-10-26 | 南通市久正人体工学股份有限公司 | Lifting mechanism and height-adjustable table |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107041626B (en) | 2020-02-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107041626A (en) | A kind of liftable desk | |
| CN110219476A (en) | A kind of civic building special-purpose supporting frame | |
| CN201504786U (en) | Liftable computer desk top | |
| CN214016896U (en) | Book display rack structure for junior middle school students to read | |
| CN207532111U (en) | A kind of liftable cartoon design workbench | |
| CN203615011U (en) | Supporting mechanism | |
| CN207541893U (en) | Construction management LED bulletin boards | |
| CN207925081U (en) | A kind of height-adjustable estate management propaganda board | |
| CN208403587U (en) | A kind of project cost budget office device | |
| CN211264218U (en) | Computer display card fixing frame convenient to install | |
| CN201749407U (en) | Laptop radiator stand | |
| CN213840304U (en) | Municipal administration electronic bill-board convenient to dismantle | |
| CN204650782U (en) | Education and instruction device | |
| CN207867768U (en) | A kind of financial teaching displaying device | |
| CN208579100U (en) | A kind of laptop lifting apparatus | |
| CN202566923U (en) | Retractable foldable suspension-type computer table | |
| CN210984581U (en) | Mechanical keyboard with adjustable | |
| CN206007371U (en) | A kind of modular medical hoist tower casing | |
| CN207444561U (en) | A kind of reading desk | |
| CN215636332U (en) | Network cabinet convenient to hang installation | |
| CN216675332U (en) | Show stores pylon for history teaching | |
| CN203676436U (en) | Multifunctional lectern | |
| CN208228608U (en) | A kind of workbench for computer research and development | |
| CN106913067A (en) | Multifunction desk | |
| CN204166736U (en) | A kind of computer teaching model display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221206 Address after: 273100 middle section of Confucius Avenue, Qufu City, Jining City, Shandong Province Patentee after: QUFU POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER CO. Address before: No. 164, Zuoshan Station Village, Zuoshan Town, Weifang City, Shandong Province, 261300 Patentee before: Han Guiyun |