CN108109863B - A kind of keyboard mounting device - Google Patents
A kind of keyboard mounting device Download PDFInfo
- Publication number
- CN108109863B CN108109863B CN201711470088.3A CN201711470088A CN108109863B CN 108109863 B CN108109863 B CN 108109863B CN 201711470088 A CN201711470088 A CN 201711470088A CN 108109863 B CN108109863 B CN 108109863B
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- Prior art keywords
- keyboard
- support base
- pedestal
- grip block
- fixed
- 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.)
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims description 2
- 238000004080 punching Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/88—Processes specially adapted for manufacture of rectilinearly movable switches having a plurality of operating members associated with different sets of contacts, e.g. keyboards
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
The present invention relates to network hardware technical fields, disclose a kind of keyboard mounting device, including rack, pedestal and the support base above pedestal, pedestal is equipped with fixing groove and dashpot, dashpot is equipped with buffer board, buffer board is equipped with several springs, spring is connected with pressure switch, symmetrically arranged clamping unit there are two being set on pedestal, clamping unit includes grip block, rack gear is equipped on grip block vertically, double end motor is equipped between grip block, two drive shafts of double end motor are equipped with the connecting rod connecting with base rotation, the gear being engaged with rack is equipped on connecting rod, the power mechanism being fixed on the rack is connected with above support base, several hollow mounting rods are equipped with below support base, elastic component is equipped in mounting rod, air cavity is equipped in support base, piston plate is equipped in air cavity, piston plate is equipped with fixed link, it is set on epicoele There is breather check valve.The configuration of the present invention is simple, uniform force when conveniently carrying out key installation and key installation to keyboard.
Description
Technical field
The present invention relates to network hardware technical fields, and in particular to a kind of keyboard mounting device.
Background technique
Computor-keyboard, suitable for operating a kind of instruction and data input equipment of the network equipments such as computer operation.Now
Common computer, if can not carry out instruction and data input etc. without keyboard, computer will be difficult to operate, therefore keyboard
It is an important component devices for computer.
There are many key on keyboard, the existing mode of the installation of key is the especially notebook by manually being installed
The keyboard of computer.And manually installed keyboard, it can have the following problems:
(1) unbalance stress when installing key on keyboard, causes key to be installed on keyboard built on the sand.When manually installed,
Need for key to be fastened at the buckle of keyboard by key clamping, and it is manually installed when sometimes because of operation or the reason of artificially judge
Key cannot be clamped on keyboard, it, will be by order to guarantee that keyboard quality needs so that key be caused to be easy to fall off from keyboard
Key carries out rechuck installation.
(2) align-err of symbol or letter when installing key on keyboard, makes a mistake because manual operation inevitably will cause, from
And by the symbol of the key on keyboard or alphanumeric arrangement mistake, align-err needs to take out key from keyboard again later, weight
It is newly installed, so that working efficiency can be reduced.It is also easy to during key is taken out at the buckle of damage keyboard, to make
At the raising of keyboard manufacturing cost.
Summary of the invention
The purpose of the present invention is to provide a kind of keyboard mounting device, to solve manually installed to cause to install key on keyboard
When unbalance stress, cause key that unsteady problem is installed.
In order to achieve the above objectives, the technical scheme is that a kind of keyboard mounting device, including rack, pedestal and position
The support base connecting above pedestal and with housing slide, the pedestal are equipped with fixing groove and the buffering below fixing groove
Slot, the dashpot are equipped with the buffer board being slidably connected with pedestal, and buffer board is equipped with several springs, and spring is connected with pressure
Switch, the spring one end is each attached on buffer board, and the spring other end is each attached on pedestal, set on the pedestal there are two
Symmetrically arranged clamping unit, clamping unit include that grip block is connect with pedestal vertical sliding, are equipped with rack gear on grip block vertically,
The double end motor for being fixed on the base and being electrically connected with pressure switch, two drive shafts of the double end motor are equipped between grip block
It is equipped with the connecting rod connecting with base rotation, the gear being engaged with rack is equipped on connecting rod, is connected with above the support base
The power mechanism being fixed on the rack, support base lower section are equipped with several hollow mounting rods, are equipped with elastic component in mounting rod, institute
It states and is equipped with air cavity in support base, the piston plate that air cavity is divided into epicoele and cavity of resorption is equipped in air cavity, piston plate and support base slide
Connection, piston plate are equipped with the fixed link being slidably connected with support base, and fixed link one end is fixed on the base, the fixed link other end
Be fixed on piston plate, the epicoele is connected to mounting rod, epicoele be equipped with outside be connected to and be fixed on support base into
Gas check valve.
Technical principle of the invention: when carrying out the key installation of keyboard, first multiple identical letters or character keys are put
It sets in mounting rod, the elastic component in mounting rod can block the key being put into.The keyboard that keyboard is not installed to key is placed on
Double end motor is laid flat and started in fixing groove, and two drive shafts of double end motor can drive respectively two connecting rods to be rotated, two bars
It will drive gear when rotation to be rotated, gear will drive rack gear slide downward, so that rack gear will drive grip block slide downward.
Grip block slide downward and in the vertical direction by keyboard clamping.The keyboard pressure downward by grip block can squeeze buffering
Plate, so that buffer board can squeeze spring, spring can form cushioning supportive to keyboard.Meanwhile spring is under pressure and understands squeeze pressure
Switch, pressure switch can close double end motor.
After keyboard is fixedly clamped, start power mechanism.Power mechanism pushes support base slide downward, and support base is downward
Sliding will drive mounting rod slide downward.When support base drives mounting rod slide downward, piston plate will receive the anti-of fixed link
To active force in air cavity upward sliding, and piston plate squeezes the gas in epicoele.Under the action of power mechanism,
The fast speed of support base slide downward, therefore fixed link is larger to the reversed motive force of piston plate, so that piston plate is from epicoele
The air velocity squeezed out is very fast and can enter in mounting rod, and the pressure increase entered in mounting rod can squeeze mounting rod
Interior key and key is pushed to pass through elastic component, so that a key be stamped out out of mounting rod and be mounted on key
On keyboard, the punching press installation of a variety of letters or character keys can also be carried out simultaneously.Key starts power mechanism after installing
Support base is resetted, so that power mechanism drives support base upward sliding, opposition of the piston plate by fixed link
Slide downward, and epicoele is made to form suction, epicoele carries out air-breathing by breather check valve.
Starting double end motor rotates backward, to drive connecting rod, connecting rod band moving gear is rotated backward, gear band carry-over bar to
Upper sliding, so that rack drives grip block upward sliding unclamps keyboard, grip block no longer compresses keyboard, the reaction force meeting of spring
Buffer board is pushed, so that buffer board pushes keyboard and keyboard is released fixing groove, it is convenient that keyboard is taken out from fixing groove.
Beneficial effects of the present invention: (1) being clamped fixation to keyboard by the clamping unit on pedestal, so that support base
When carrying out key punching press by mounting rod, keyboard is avoided to shift, while can be right by buffer board in dashpot and spring
Keyboard is buffered, and the keyboard in punching press key is avoided to damage.Support base passes through the gas being filled in epicoele, by piston plate
It squeezes and punching press is carried out to the key in mounting rod to which pressure increases, key is stamped into uniform force on keyboard, may make key
It is firm to be mounted on keyboard.
(2) mounting rod have it is multiple can multiple keys of punching press simultaneously, with traditional artificial installation successively one by one
Compare, working efficiency improves, and key is placed on to the installation for carrying out key in mounting rod again according to sequence, not will cause by
Key, which is mounted on keyboard, there is letter or character sequence mistake, so that the quality of key installation is guaranteed, avoids and pacifies again
The damage for filling keyboard or key caused by key, has saved manufacturing cost.
(3) it is buffered when the cooperation of spring and buffer board can be squeezed keyboard, when keyboard is not squeezed, in bullet
Keyboard is released into fixing groove under the action of spring and buffer board, keyboard is facilitated to take out, improves working efficiency.
On the above base case:
Further preferred: the grip block is inverted L shaped plate.The protrusion of L shaped plate is horizontal, and grip block is to downslide
During dynamic, protrusion in the vertical direction can preferably clamp keyboard.
Further preferred: the L shaped plate is equipped with rubber layer.Rubber layer can reduce grip block to the extruding force of keyboard, from
And keyboard is avoided to be extruded damage in clamping.Meanwhile rubber layer can reduce friction of the grip block to keyboard.
Further preferred: the fixing groove two sides are equipped with the centering block below grip block, and centering block is fixed on bottom
On seat.Guarantee that keyboard is by horizontal-clamping without positional shift occurs by centering block.
Further preferred: the mounting rod is detachably connected with support base.Mounting rod can be disassembled from support base
Key is supplemented, or adjusts the position of mounting rod.
Further preferred: the breather check valve is fixed on support base by fastening bolt.Support base is in power mechanism
Under the action of can shake, thus be easy by breather check valve shake fall off, fastened by fastening screw.
Further preferred: the pressure switch is electrically connected with power mechanism.Meeting when extruding force of the pressure switch by spring
Double end motor is closed, keyboard has been clamped on pedestal at this time.Pressure switch is extruded the mechanism that can turn on the power, thus dynamic
Force mechanisms will push support base and carry out key punching press to keyboard, reduce manual operation to improve working efficiency.
Detailed description of the invention
Fig. 1 is keyboard mounting device overall structure figure；
Fig. 2 is clamping support schematic diagram.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
Appended drawing reference in Figure of description includes: pedestal 1, connecting rod 2, double end motor 3, pressure switch 4, grip block 5, bullet
Spring 6, centering block 7, buffer board 8, keyboard 9, fixed link 10, support base 11, mounting rod 12, piston plate 13, gas outlet 14, air inlet list
To valve 15, elastic component 16, key 17.
Embodiment 1:
As shown in Figure 1 and Figure 2, a kind of keyboard mounting device, including rack, pedestal 1 and be located at the top of pedestal 1 and
The support base 11 connecting with housing slide, support base 11 can vertical slidings on the rack.Pedestal 1 is equipped with fixing groove and is located at solid
Determine the dashpot below slot, dashpot is equipped with the buffer board 8 being slidably connected with pedestal 1 and buffer board 8 can be vertical on pedestal 1
It slides, is set on buffer board 8 there are five spring 6,6 one end of spring is each attached on buffer board 8, and 6 other end of spring is each attached to bottom
On seat 1, wherein a spring 6 is connected with the pressure switch 4 being fixed on pedestal 1.Meeting when keyboard 9 is lain in a horizontal plane in fixing groove
Buffer board 8 is squeezed, buffer board 8 can squeeze spring 6, buffer so that the reaction of spring 6 can be formed keyboard 9 by buffer board 8
Support, when keyboard 9 being avoided to be extruded caused by fracture damage.It is additionally provided with two symmetrically arranged clamping units on pedestal 1, clamps
Unit includes the grip block 5 connecting with 1 vertical sliding of pedestal, and grip block 5 is inverted L shaped plate, and L shaped plate is equipped with rubber layer,
Rubber layer can reduce the friction between grip block 5 and keyboard 9 and buffer to 9 holding position of keyboard, avoid the damage of keyboard 9
It is bad.Fixing groove two sides are equipped with the centering block 7 positioned at 5 lower section of grip block, position centering when can clamp to keyboard 9.Folder
It holds and is additionally provided with vertical rack gear on plate 5, be equipped between grip block 5 and be fixed on pedestal 1 and be electrically connected with pressure switch 4 double end electricity
Machine 3, two drive shafts of double end motor 3 are equipped with the connecting rod 2 being rotatablely connected with pedestal 1, and connecting rod 2 is equipped with and is engaged with rack respectively
Gear.Starting double end motor 3, double end motor 3 will drive two connecting rods 2 and be rotated, so that connecting rod 2 is rotated with moving gear, tooth
Wheel rotation meeting is so that rack gear slide downward, rack gear will drive 5 slide downward of grip block and clamp keyboard 9 in the vertical direction.It is double
Head motor 3 will push 5 upward sliding of grip block when rotating backward, to unclamp the keyboard 9 of the clamping of grip block 5.
The power mechanism being fixed on the rack is connected with above support base 11, power mechanism is hydraulic motor and hydraulic motor
It is electrically connected with pressure switch 4, hydraulic motor will push the slide downward on the rack of support base 11 when starting.It can under support base 11
Dismantling connection has 128 hollow mounting rods 12, is respectively and fixedly provided with elastic component 16 in mounting rod 12, elastic component 16 can be right
The key 17 being put into mounting rod 12 is limited, and the sky of the mounting rod 12 of the lower section of elastic component 16 only one key 17
Between.It is equipped with air cavity in support base 11, the piston plate 13 that air cavity is divided into epicoele and cavity of resorption, piston plate 13 and support are equipped in air cavity
Seat 11 is slidably connected and piston plate 13 can be slided relative to support base 11.It is equipped with below piston plate 13 and is fixed on consolidating on pedestal 1
Fixed pole 10,10 one end of fixed link are fixed on pedestal 1, and 10 other end of fixed link is fixed on piston plate 13.Epicoele and mounting rod
12 connections, epicoele is equipped with the breather check valve 15 being connected to outside, and breather check valve 15 is fixed on branch by fastening bolt
It supports on seat 11.In 11 slide downward of support base, piston plate 13 can be relative to support base under the opposition of fixed link 10
11 slidings, and piston plate 13 can enter the gas extrusion in epicoele in mounting rod 12,17 meeting of key in mounting rod 12
By the active force of air pressure, so that a key 17 is understood compression elastic piece 16 and is stamped on keyboard 9.Support base 11 slides up
When dynamic, the meeting slide downward under the acting in opposition of fixed link 10 of piston plate 13, so that epicoele forms suction to outside air,
The suction of formation carries out air-breathing by breather check valve 15.
Specific implementation process is as follows:
When carrying out key 17 to keyboard 9 and installing, mounting rod 12 is disassembled from support base 11 and by the same word
Female or character key 17, which is placed in mounting rod 12, to be placed, and key 17 is mounted on the junction on keyboard 9 under
Side.The key 17 being placed in mounting rod 12 can be blocked by elastic component 16, and key 17 again pacifies mounting rod 12 after placing
On support base 11 and mounting rod 12 is connected to by conduit with epicoele.
The keyboard 9 that key 17 is installed will not be carried out to lie in a horizontal plane in fixing groove, starts double end motor 3.Double end motor 3
Two drive shafts will drive connecting rod 2 and be rotate in same direction, and two connecting rods 2 will drive gear and be rotate in same direction.Gear rotation
It will drive rack gear slide downward, rack gear will drive the slide downward on pedestal 1 of grip block 5, and the grip block 5 of slide downward can be perpendicular
Histogram is upwards clamped keyboard 9, while the meeting of centering block 7 carries out centering to the clip position of grip block 5, avoids clip position
Offset.Grip block 5 is clamped keyboard 9, and grip block 5 can be pressed down against keyboard 9, and keyboard 9, which is squeezed power, can squeeze buffering
Plate 8, so that buffer board 8 can squeeze spring 6.Spring 6 is squeezed power meeting squeeze pressure switch 4, and pressure switch 4 is pressed at this time
Power can close double end motor 3 and double end motor 3 is stopped operating, and keyboard 9 is located at this time and has been clamped the folder of plate 5
Tightly.Pressure switch 4, which is squeezed, can also open hydraulic motor, and hydraulic motor starting will push 11 slide downward of support base, support
11 slide downwards of seat will drive 12 slide downward of mounting rod and can resist corresponding 17 installation site of key of keyboard 9.
During 11 slide downward of support base, direction active force of the piston plate 13 by fixed link 10, thus piston
Plate 13 can upward sliding and piston plate 13 upper intracavitary gas can be sent in mounting rod 12, and upper intracavitary gas due to
Epicoele meeting pressure increases under the acting in opposition of support base 11 and piston plate 13, and pressure, which increases gas, can enter meeting in mounting rod 12
One key 17 passed through from elastic component 16, across elastic component 16 key 17 can uniform force be mounted on keyboard 9.Keyboard
9 can be to lower stress by the punching press of mounting rod 12, and the reaction force of spring 6 can form the support of reaction force to keyboard 9 at this time,
So as to avoid the fracture damage of keyboard 9.After key 17 installs, starting hydraulic motor drives 11 upward sliding of support base,
To which support base 11 drives mounting rod 12 to be resetted.Opposition of the piston plate 13 by fixed link 10 at this time, piston plate
13 make epicoele form a suction relative to 11 slide downward of support base, so that epicoele is inhaled by breather check valve 15
Gas when installing next key 17, repeats the workflow of seat 11 supported above.Starting double end motor 3 rotates backward, two connecting rods
2, which will drive gear, rotates backward, so that gear will drive rack gear upward sliding, rack gear will push 5 upward sliding of grip block from
And unclamp keyboard 9.Grip block 5 no longer compresses keyboard 9, will push buffer board 8 under the action of spring 6 upwards, thus buffer board 8
Keyboard 9 can be released to fixing groove and facilitated and take out mounted keyboard 9, to improve working efficiency.
When key 17 is disposably mounted on keyboard 9, different keys 17 is placed sequentially in different mounting rods 12,
And different letter or character can be distinguished by marking, and it is upper it is intracavitary be passed through certain high pressure gas, guarantee epicoele
Interior gas pressure intensity is enough, to guarantee enough in the pressure that key 17 is stamped on keyboard 9.Start hydraulic motor, thus
So that hydraulic motor drives all 12 slide downwards of mounting rod and resists 17 installation site of corresponding key on keyboard 9, it is real
Now to the disposable installation of key 17.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without departing from the inventive concept of the premise, several modifications and improvements can also be made, these also should be considered as guarantor of the invention
Range is protected, these all will not influence the effect and patent practicability that the present invention is implemented.The present invention omits the technology of description, shape
Shape, construction portion are well-known technique.
Claims (6)
1. a kind of keyboard mounting device, which is characterized in that including rack, pedestal and be located above pedestal and connect with housing slide
Support base, the pedestal be equipped with fixing groove and the dashpot below fixing groove, the dashpot is equipped with and pedestal
The buffer board being slidably connected, buffer board are equipped with several springs, and spring is connected with pressure switch, and the spring one end is each attached to
On buffer board, the spring other end is each attached on pedestal, is set on the pedestal there are two symmetrically arranged clamping unit, clamping is single
Member includes the grip block connecting with pedestal vertical sliding, is equipped with rack gear on grip block vertically, is equipped between grip block and is fixed on bottom
The double end motor being electrically connected on seat and with pressure switch, two drive shafts of the double end motor are equipped with to be connect with base rotation
Connecting rod is equipped with the gear being engaged with rack on connecting rod, is connected with the power mechanism being fixed on the rack above the support base,
Several hollow mounting rods are removably connected with below support base, are equipped with elastic component in mounting rod, elastic component is to being put into installation
Key in bar is limited, and the space of mounting rod only one key below elastic component, is equipped in the support base
Air cavity, air cavity is interior to be equipped with the piston plate that air cavity is divided into epicoele and cavity of resorption, and piston plate is slidably connected with support base, sets on piston plate
There is the fixed link being slidably connected with support base, fixed link one end is fixed on the base, and the fixed link other end is fixed on piston plate,
The epicoele is connected to mounting rod, and epicoele, which is equipped with, to be connected to outside and be fixed on the breather check valve on support base.
2. keyboard mounting device according to claim 1, which is characterized in that the grip block is inverted L shaped plate.
3. keyboard mounting device according to claim 2, which is characterized in that the L shaped plate is equipped with rubber layer.
4. keyboard mounting device according to claim 1, which is characterized in that the fixing groove two sides, which are equipped with, is located at clamping
Centering block below plate, centering block are fixed on the base.
5. keyboard mounting device according to claim 1, which is characterized in that the breather check valve is solid by fastening bolt
It is scheduled on support base.
6. keyboard mounting device according to claim 1, which is characterized in that the pressure switch is electrically connected with power mechanism
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711470088.3A CN108109863B (en) | 2017-12-29 | 2017-12-29 | A kind of keyboard mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711470088.3A CN108109863B (en) | 2017-12-29 | 2017-12-29 | A kind of keyboard mounting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108109863A CN108109863A (en) | 2018-06-01 |
| CN108109863B true CN108109863B (en) | 2019-09-10 |
Family
ID=62214690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711470088.3A Active CN108109863B (en) | 2017-12-29 | 2017-12-29 | A kind of keyboard mounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108109863B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033654B (en) * | 2020-08-25 | 2021-06-04 | 于都县燕龙电子有限公司 | Self-adaptive clamping detection computer keyboard equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202650898U (en) * | 2012-06-08 | 2013-01-02 | 东莞万德电子制品有限公司 | An arranging tool of waterproof button steel sheets |
| CN204651204U (en) * | 2015-04-23 | 2015-09-16 | 苏州博众精工科技有限公司 | A kind of key assembling mechanism |
| CN205415057U (en) * | 2016-03-18 | 2016-08-03 | 深圳市联懋塑胶有限公司 | Cell -phone metal -back clamping device |
-
2017
- 2017-12-29 CN CN201711470088.3A patent/CN108109863B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202650898U (en) * | 2012-06-08 | 2013-01-02 | 东莞万德电子制品有限公司 | An arranging tool of waterproof button steel sheets |
| CN204651204U (en) * | 2015-04-23 | 2015-09-16 | 苏州博众精工科技有限公司 | A kind of key assembling mechanism |
| CN205415057U (en) * | 2016-03-18 | 2016-08-03 | 深圳市联懋塑胶有限公司 | Cell -phone metal -back clamping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108109863A (en) | 2018-06-01 |
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Effective date of registration: 20210324 Address after: 102200 423, 4 / F, block a, Xinhua future city building, 175 Litang Road, Changping District, Beijing Patentee after: Li Qiannan Address before: 241000 12 huolonggang industrial concentration zone, South District, high tech Development Zone, Wuhu City, Anhui Province Patentee before: Hou Guangchao |
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