CN109164899A - A kind of novel high-precision Mechano-electrically integrated control unit - Google Patents
A kind of novel high-precision Mechano-electrically integrated control unit Download PDFInfo
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- CN109164899A CN109164899A CN201811166625.XA CN201811166625A CN109164899A CN 109164899 A CN109164899 A CN 109164899A CN 201811166625 A CN201811166625 A CN 201811166625A CN 109164899 A CN109164899 A CN 109164899A
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- fixedly connected
- wall
- control unit
- integrated control
- electrically integrated
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/181—Enclosures
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- Theoretical Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
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Abstract
The present invention relates to electromechanical integration technology areas, and disclose a kind of novel high-precision Mechano-electrically integrated control unit, including body, the side wall of body is fixedly connected with the first support plate, the upper surface of first support plate is fixedly embedded at the first rolling bearing, the inner wall of first rolling bearing is fixedly connected with thread barrel, the inner thread of thread barrel is connected with threaded rod, the top of threaded rod is fixedly connected with the second support plate, the outer wall fixing sleeve of thread barrel is connected to the first helical gear, the upper surface of first support plate is fixedly connected with rotating electric machine, the output end of rotating electric machine is fixedly connected with the second helical gear.The novel high-precision Mechano-electrically integrated control unit, have radiating efficiency it is high, can blocks dust enter in Mechano-electrically integrated control unit, the advantages that ensureing that Mechano-electrically integrated control unit is capable of the service life of normal use and raising Mechano-electrically integrated control unit, and improving the operating efficiency of operator.
Description
Technical field
The present invention relates to electromechanical integration technology area, specially a kind of novel high-precision Mechatronics control dress
It sets.
Background technique
Electromechanical integration is also known as mechatronics, it is by the latter half of English mechanistic first half and electronics
Be composed, electromechanical integration appear in earliest 1971 Japanese magazine " Machine Design " supplement on, electromechanical integration be by
Computer technology, information technology, mechanical technique, electronic technology, control technology, optical technology etc. blend an independence of composition
Cross discipline, electromechanical integration the main direction of development be intelligence, modularization, networking, micromation, systematization etc..
Existing electromechanical integration needs to be controlled by computer, but computer meeting during long-time use
A large amount of heat is distributed, staff damages the electronic component in computer under high temperature environment, influences Mechatronics control
The normal use of device, and the service life of Mechano-electrically integrated control unit is influenced, but existing Mechatronics control fills
It sets and generallys use heat release hole heat dissipation, not only radiating rate is slower, and efficiency is lower, also dust can be made to enter computer-internal, influences
The normal use of Mechano-electrically integrated control unit, in addition, the height and position of existing Mechano-electrically integrated control unit is constant, if behaviour
Make the shorter then invariant operation of personnel, influences the operating efficiency of operator.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of novel high-precision Mechano-electrically integrated control unit, have scattered
The thermal efficiency is high, can blocks dust enter in Mechano-electrically integrated control unit, ensure that Mechano-electrically integrated control unit can be normal
The advantages that using and improve the service life of Mechano-electrically integrated control unit, and improving the operating efficiency of operator, solution
Mechano-electrically integrated control unit internal electronic element of having determined is damaged because of high temperature, and dust, which enters, influences electromechanical integration in computer
The problem of control device works normally and Mechano-electrically integrated control unit height is not adjustable.
(2) technical solution
For realize above-mentioned Mechano-electrically integrated control unit radiating efficiency it is high, can blocks dust enter Mechano-electrically integrated control unit
It is interior, ensure that Mechano-electrically integrated control unit is capable of the service life of normal use and raising Mechano-electrically integrated control unit, and
The purpose of the operating efficiency of operator is improved, the invention provides the following technical scheme: a kind of novel high-precision electromechanics one
Body control device, including body, the side wall of the body are fixedly connected with the first support plate, the upper table of first support plate
Face is fixedly embedded at the first rolling bearing, and the inner wall of first rolling bearing is fixedly connected with thread barrel, the thread barrel
Inner thread is connected with threaded rod, and the top of the threaded rod is fixedly connected with the second support plate, the thread barrel it is outer
Wall fixing sleeve is connected to the first helical gear, and the upper surface of first support plate is fixedly connected with rotating electric machine, the rotating electric machine
Output end be fixedly connected with the second helical gear, second helical gear and the first helical gear Vertical Meshing, second support
The upper surface of plate is fixedly connected with input keyboard, display screen and computer, and the side wall of the computer is fixedly embedded at two
Two rolling bearings, the inner wall of two second rolling bearings are fixedly connected with reciprocating screw rod, the bar wall spiral shell of the reciprocating screw rod
Line is connected with feed screw nut, and the upper surface of the feed screw nut is fixed with the first driving motor, the first driving electricity
The output end of machine is fixedly connected with flabellum, and the bar wall fixing sleeve of the reciprocating screw rod is connected to first gear, the bottom of the computer
End inner wall is fixedly connected with the second driving motor, and the output end of second driving motor is fixedly connected with second gear, described
The top of second gear is engaged with the bottom end of first gear, and the two sidewalls of the computer offer rectangular heat dissipation hole, and two
The hole wall in the rectangular heat dissipation hole is connected with dust-proof web plate, and the two sidewalls of the computer are fixed with
Fixed mechanism.
Preferably, the fixed mechanism includes the cylinder being fixedly connected with computer outer wall, the inner wall sliding of the cylinder
It is connected with piston, the two sidewalls of the piston have been respectively fixedly connected with spring and fixed link, the one end of the spring far from piston
It is fixedly connected with the inner wall of cylinder, the fixed link passes through the side wall of cylinder far from one end of piston and extends outwardly, described anti-
The outer wall of dirt web plate is fixedly connected with the inserted block to match with fixed link.
Preferably, the side wall of second support plate is fixedly connected with sliding block, the side wall of the sliding block and the side wall of body
It is slidably connected, the outer wall of the body offers the sliding slot to match with sliding block.
Preferably, the lower surface of the feed screw nut is fixedly connected with gag lever post, the bottom end of the gag lever post and computer
Bottom end inner wall be slidably connected, the bottom end inner wall of the computer offers the limiting slot matched with gag lever post.
Preferably, the lower surface four corners of the body are fixed with supporting block.
Preferably, the bar wall of the side wall of two dust-proof web plates, the surface of inserted block and fixed link is fixed with rubber
Pad.
Preferably, the upper surface of first support plate is fixedly connected with control switch.
Preferably, the input keyboard is connected to a computer by data line, and the computer is by data line and shows
Display screen is connected.
Preferably, the side wall of the piston is fixedly connected with pulling block, and the pulling block passes through cylinder far from one end of piston
Side wall simultaneously extends outwardly, and the outer wall of the cylinder offers the strip gab to match with pulling block.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of novel high-precision Mechano-electrically integrated control unit, having following has
Beneficial effect:
1, novel high-precision Mechano-electrically integrated control unit, by being provided with the first driving motor, the second driving motor, past
Multifilament bar and flabellum start the first driving motor, the first driving motor when Mechano-electrically integrated control unit work first
Flabellum rotation is driven, flabellum is dried at electronic component into computer, is accelerated the air flowing at electronic component, is made heat from square
Shape heat release hole distributes, and accelerates to radiate at electronic component, then restarts the second driving motor, the second driving motor drives the second tooth
Wheel rotation, second gear drive first gear rotation, and first gear drives reciprocating screw rod rotation, and reciprocating screw rod drives feed screw nut
Move back and forth, feed screw nut drives the first driving motor and flabellum to move back and forth, and expands the blowing range of flabellum, which improves
Radiating efficiency in computer can be avoided electronic component in computer and ensure the case where hot environment works cause thermal damage
Mechano-electrically integrated control unit can work normally, while improve the service life of Mechano-electrically integrated control unit.
2, novel high-precision Mechano-electrically integrated control unit, by being provided with rotating electric machine, the first helical gear, second
Helical gear and threaded rod improve control switch and open when operator's shorter invariant operation Mechano-electrically integrated control unit
Dynamic rotating electric machine, rotating electric machine drive the rotation of the second helical gear, and the second helical gear drives the rotation of the first helical gear, the first helical gear
Thread barrel rotation is driven, thread barrel drives threaded rod to move down, and threaded rod drives the second support plate by sliding block along sliding slot
It moves down, so that input keyboard and display screen is reached suitable height and operated convenient for operator, the structure is electromechanical by changing
The height of integrated control unit work improves the operating efficiency of operator convenient for operator's operation.
3, the novel high-precision Mechano-electrically integrated control unit works as Air Filter by setting piston, fixed link and inserted block
When dust is more on plate, by pulling pulling block, pulling block band piston is mobile, and piston movement squeezes spring and is detached from fixed link and inserts
Then block removes dust-proof web plate and replaces mobile new dust-proof web plate, prevents dust from entering computer-internal, which can keep away
Exempt from dust and enter computer-internal, has ensured that Mechano-electrically integrated control unit can work normally, while clearing up dust-proof web plate
Dust is convenient laborsaving.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the novel high-precision Mechano-electrically integrated control unit of one kind proposed by the present invention；
Fig. 2 is the sectional view along A-A of Fig. 1；
Fig. 3 is the structural schematic diagram of the novel high-precision Mechano-electrically integrated control unit part B of one kind proposed by the present invention；
Fig. 4 is the structural schematic diagram of the novel high-precision Mechano-electrically integrated control unit C portion of one kind proposed by the present invention；
Fig. 5 is the structural schematic diagram of the novel part high-precision Mechano-electrically integrated control unit D of one kind proposed by the present invention.
In figure: 1 body, 2 first support plates, 3 first rolling bearings, 4 thread barrels, 5 threaded rods, 6 second support plates, 7
One helical gear, 8 rotating electric machines, 9 second helical gears, 10 input keyboards, 11 display screens, 12 computers, 13 second rolling bearings, 14
Reciprocating screw rod, 15 feed screw nuts, 16 first driving motors, 17 flabellums, 18 first gears, 19 second driving motors, 20 second teeth
Wheel, 21 dust-proof web plates, 22 cylinders, 23 pistons, 24 springs, 25 fixed links, 26 inserted blocks, 27 sliding blocks, 28 sliding slots, 29 supporting blocks, 30
Control switch.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, a kind of novel high-precision Mechano-electrically integrated control unit, including body 1, the following table of body 1
Face four corners are fixed with supporting block 29, and supporting block 29 can be avoided the ground connection dampness of body 1 and damage, and the side wall of body 1 is solid
Surely it is connected with the first support plate 2, the upper surface of the first support plate 2 is fixedly embedded at the first rolling bearing 3, the first rolling bearing 3
Inner wall be fixedly connected with thread barrel 4, the inner thread of thread barrel 4 is connected with threaded rod 5, and the top of threaded rod 5 is fixed
It is connected with the second support plate 6, the side wall of the second support plate 6 is fixedly connected with sliding block 27, the side wall of sliding block 27 and the side wall of body 1
It is slidably connected, the outer wall of body 1 offers the sliding slot 28 to match with sliding block 27, and sliding block 27 and sliding slot 28 can be avoided second
Fagging 6 rotates, and the outer wall fixing sleeve of thread barrel 4 is connected to the first helical gear 7, and the upper surface of the first support plate 2 is fixedly connected
There is rotating electric machine 8, the output end of rotating electric machine 8 is fixedly connected with the second helical gear 9, and the second helical gear 9 and the first helical gear 7 hang down
Straight engagement, the upper surface of the second support plate 6 are fixedly connected with input keyboard 10, display screen 11 and computer 12, computer 12
Side wall is fixedly embedded at two the second rolling bearings 13, and the inner wall of two the second rolling bearings 13 is fixedly connected with reciprocating screw rod
14, the bar wall of reciprocating screw rod 14, which is threadedly engaged, is connected with feed screw nut 15, and the lower surface of feed screw nut 15 is fixedly connected with limit
Bar, the bottom end of gag lever post are slidably connected with the bottom end inner wall of computer 12, and the bottom end inner wall of computer 12 offers and gag lever post
The limiting slot matched, gag lever post can prevent feed screw nut 15 from rotating upwardly and downwardly, and the upper surface of feed screw nut 15 is fixed with
One driving motor 16, the output end of the first driving motor 16 are fixedly connected with flabellum 17, and the bar wall of reciprocating screw rod 14 is fixedly attached
There is first gear 18, the bottom end inner wall of computer 12 is fixedly connected with the second driving motor 19, the output of the second driving motor 19
End is fixedly connected with second gear 20, and the top of second gear 20 is engaged with the bottom end of first gear 18, the two sides of computer 12
Wall offers rectangular heat dissipation hole, and the hole wall in two rectangular heat dissipation holes is connected with dust-proof web plate 21, two dust-proof web plates
The bar wall of 21 side wall, the surface of inserted block 26 and fixed link 25 is fixed with rubber pad, and rubber pad increases the friction of contact surface
Power, more stable when making connection, the two sidewalls of computer 12 are fixed with fixed mechanism, fixed mechanism include with
The cylinder 22 that 12 outer wall of computer is fixedly connected, the inner wall of cylinder 22 slidably connect piston 23, and the side wall of piston 23 is fixed to be connected
Be connected to pulling block, pulling block passes through the side wall of cylinder 22 far from one end of piston 23 and extends outwardly, the outer wall of cylinder 22 offer with
The strip gab that pulling block matches, pulling block, which can facilitate, pulls piston 23, and the two sidewalls of piston 23 have been respectively fixedly connected with spring
24 and fixed link 25, the one end of spring 24 far from piston 23 be fixedly connected with the inner wall of cylinder 22, fixed link 25 is far from piston 23
One end pass through the side wall of cylinder 22 and extend outwardly, the outer wall of dust-proof web plate 21, which is fixedly connected with, to match with fixed link 25
Inserted block 26, the structure can be avoided dust and enter inside computer 12, ensure that Mechano-electrically integrated control unit being capable of normal work
Make, while the dust for clearing up dust-proof web plate 21 is convenient laborsaving, input keyboard 10 is connected by data line with computer 12, is calculated
Machine 12 is connected by data line with display screen 11, and the upper surface of the first support plate 2 is fixedly connected with control switch 30, electric rotating
Machine 8, the first driving motor 16 and the second driving motor 19 are electrically connected by control switch 30 and external power supply, this electrical property connects
It is connected in the prior art, details are not described herein.
In conclusion the novel high-precision Mechano-electrically integrated control unit, when Mechano-electrically integrated control unit work
When, start the first driving motor 16 first, the first driving motor 16 drives flabellum 17 to rotate, and flabellum 17 is electric into computer 12
It dries at subcomponent, accelerates the air flowing at electronic component, distribute heat from rectangular heat dissipation hole, accelerate to dissipate at electronic component
Heat, then restarts the second driving motor 19, and the second driving motor 19 drives second gear 20 to rotate, and second gear 20 drives the
The rotation of one gear 18, first gear 18 drive reciprocating screw rod 14 to rotate, and reciprocating screw rod 14 drives feed screw nut to carry out 15 return and moves, silk
Stem nut 15 drives the first driving motor 16 and flabellum 17 to move back and forth, and expands the blowing range of flabellum 17, this arrangement enhances
Radiating efficiency in computer 12 can be avoided electronic component in computer 12 and ensure the case where hot environment works cause thermal damage
Mechano-electrically integrated control unit can work normally, while improve the service life of Mechano-electrically integrated control unit, work as behaviour
When making personnel's shorter invariant operation Mechano-electrically integrated control unit, improves control switch 30 and start rotating electric machine 8, electric rotating
Machine 8 drives the rotation of the second helical gear 9, and the second helical gear 9 drives the rotation of the first helical gear 7, and the first helical gear 7 drives thread barrel 4
Rotation, thread barrel 7 drive threaded rod 5 move down, threaded rod 5 drive the second support plate 2 by sliding block 27 along sliding slot 28 to
Lower movement makes input keyboard 10 and display screen 11 reach suitable height and operates convenient for operator, which passes through change machine
The height of electrical integrated control device work improves the operating efficiency of operator, works as Air Filter convenient for operator's operation
When dust is more on plate 21, by pulling pulling block, pulling block band piston 23 is mobile, and piston 23 is mobile to be squeezed spring 24 and make to fix
Bar 25 is detached from inserted block 26, then removes dust-proof web plate 21 and replaces mobile new dust-proof web plate 21, prevents dust from entering computer
Inside 12, which can be avoided dust and enters inside computer 12, ensure that Mechano-electrically integrated control unit being capable of normal work
Make, while the dust for clearing up dust-proof web plate 21 is convenient laborsaving.
Claims (9)
1. a kind of novel high-precision Mechano-electrically integrated control unit, including body (1), it is characterised in that: the body (1)
Side wall is fixedly connected with the first support plate (2), and the upper surface of first support plate (2) is fixedly embedded at the first rolling bearing
(3), the inner wall of first rolling bearing (3) is fixedly connected with thread barrel (4), the inner thread cooperation of the thread barrel (4)
It is connected with threaded rod (5), the top of the threaded rod (5) is fixedly connected with the second support plate (6), outside the thread barrel (4)
Wall fixing sleeve is connected to the first helical gear (7), and the upper surface of first support plate (2) is fixedly connected with rotating electric machine (8), described
The output end of rotating electric machine (8) is fixedly connected with the second helical gear (9), and second helical gear (9) and the first helical gear (7) are hung down
Straight engagement, the upper surface of second support plate (6) is fixedly connected with input keyboard (10), display screen (11) and computer
(12), the side wall of the computer (12) is fixedly embedded at two the second rolling bearings (13), two second rolling bearings
(13) inner wall is fixedly connected with reciprocating screw rod (14), and the bar wall of the reciprocating screw rod (14), which is threadedly engaged, is connected with feed screw nut
(15), the upper surface of the feed screw nut (15) is fixed with the first driving motor (16), first driving motor (16)
Output end is fixedly connected with flabellum (17), and the bar wall fixing sleeve of the reciprocating screw rod (14) is connected to first gear (18), the meter
The bottom end inner wall of calculation machine (12) is fixedly connected with the second driving motor (19), and the output end of second driving motor (19) is fixed
It is connected with second gear (20), the top of the second gear (20) is engaged with the bottom end of first gear (18), the computer
(12) two sidewalls offer rectangular heat dissipation hole, and the hole wall in two rectangular heat dissipation holes is connected with dust-proof web plate
(21), the two sidewalls of the computer (12) are fixed with fixed mechanism.
2. the novel high-precision Mechano-electrically integrated control unit of one kind according to claim 1, it is characterised in that: described solid
Determining mechanism includes the cylinder (22) being fixedly connected with computer (12) outer wall, and the inner wall of the cylinder (22) slidably connects piston
(23), the two sidewalls of the piston (23) have been respectively fixedly connected with spring (24) and fixed link (25), and the spring (24) is separate
One end of piston (23) is fixedly connected with the inner wall of cylinder (22), and the fixed link (25) passes through circle far from the one end of piston (23)
The side wall of cylinder (22) simultaneously extends outwardly, and the outer wall of the dust-proof web plate (21) is fixedly connected with to be inserted with what fixed link (25) matched
Block (26).
3. the novel high-precision Mechano-electrically integrated control unit of one kind according to claim 1, it is characterised in that: described
The side wall of two support plates (6) is fixedly connected with sliding block (27), and the side wall of the sliding block (27) and the side walls of body (1) connect
It connects, the outer wall of the body (1) offers the sliding slot (28) to match with sliding block (27).
4. the novel high-precision Mechano-electrically integrated control unit of one kind according to claim 1, it is characterised in that: the silk
The lower surface of stem nut (15) is fixedly connected with gag lever post, and the bottom end of the gag lever post and the bottom end inner wall of computer (12) slide
Connection, the bottom end inner wall of the computer (12) offer the limiting slot matched with gag lever post.
5. the novel high-precision Mechano-electrically integrated control unit of one kind according to claim 1, it is characterised in that: the machine
The lower surface four corners of body (1) are fixed with supporting block (29).
6. the novel high-precision Mechano-electrically integrated control unit of one kind according to claim 1, it is characterised in that: two institutes
The bar wall for stating the side wall of dust-proof web plate (21), the surface of inserted block (26) and fixed link (25) is fixed with rubber pad.
7. the novel high-precision Mechano-electrically integrated control unit of one kind according to claim 1, it is characterised in that: described
The upper surface of one support plate (2) is fixedly connected with control switch (30).
8. the novel high-precision Mechano-electrically integrated control unit of one kind according to claim 1, it is characterised in that: described defeated
Enter keyboard (10) to be connected by data line with computer (12), the computer (12) passes through data line and display screen (11) phase
Connection.
9. the novel high-precision Mechano-electrically integrated control unit of one kind according to claim 2, it is characterised in that: the work
The side wall of plug (23) is fixedly connected with pulling block, and the pulling block passes through the side wall of cylinder (22) and outside far from one end of piston (23)
Extend, the outer wall of the cylinder (22) offers the strip gab to match with pulling block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811166625.XA CN109164899A (en) | 2018-10-08 | 2018-10-08 | A kind of novel high-precision Mechano-electrically integrated control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811166625.XA CN109164899A (en) | 2018-10-08 | 2018-10-08 | A kind of novel high-precision Mechano-electrically integrated control unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109164899A true CN109164899A (en) | 2019-01-08 |
Family
ID=64877417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811166625.XA Pending CN109164899A (en) | 2018-10-08 | 2018-10-08 | A kind of novel high-precision Mechano-electrically integrated control unit |
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| Country | Link |
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| CN (1) | CN109164899A (en) |
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| CN206833339U (en) * | 2017-07-04 | 2018-01-02 | 狄永财 | A kind of novel and multifunctional Anti-radiation type computer |
| CN207408884U (en) * | 2017-10-31 | 2018-05-25 | 绵阳精灵科技有限公司 | There is the lift mainframe box of abrasionproof |
| CN207868010U (en) * | 2018-03-14 | 2018-09-14 | 海宁三弘电子科技有限公司 | A kind of anti-interference medical equipment power transformer of low drain |
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2018
- 2018-10-08 CN CN201811166625.XA patent/CN109164899A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2564005Y (en) * | 2002-06-03 | 2003-08-06 | 张朝吟 | Multifunctional rostrum table |
| CN101898300A (en) * | 2010-01-26 | 2010-12-01 | 虞亮 | Mechanical-electrical integrated keyboard word key installer |
| CN202058061U (en) * | 2011-02-24 | 2011-11-30 | 杨海杰 | Integrated desktop |
| CN203849661U (en) * | 2014-06-08 | 2014-09-24 | 陈丽梅 | Computer mainframe with automatic lifting and rotating functions |
| CN206268746U (en) * | 2016-11-17 | 2017-06-20 | 胡旭 | A kind of computer display lowering or hoisting gear |
| CN206833339U (en) * | 2017-07-04 | 2018-01-02 | 狄永财 | A kind of novel and multifunctional Anti-radiation type computer |
| CN207408884U (en) * | 2017-10-31 | 2018-05-25 | 绵阳精灵科技有限公司 | There is the lift mainframe box of abrasionproof |
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Application publication date: 20190108 |