CN108081087A - A kind of Novel grinding device - Google Patents
A kind of Novel grinding device Download PDFInfo
- Publication number
- CN108081087A CN108081087A CN201710428863.2A CN201710428863A CN108081087A CN 108081087 A CN108081087 A CN 108081087A CN 201710428863 A CN201710428863 A CN 201710428863A CN 108081087 A CN108081087 A CN 108081087A
- Authority
- CN
- China
- Prior art keywords
- slot
- slide
- power set
- push
- accommodating chamber
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A kind of Novel grinding device, including rack, accommodating chamber is provided in rack, rack right side is provided with empty slot, slot is provided in empty slot upper end wall, the first power set are installed in accommodating chamber upper end wall, bull stick is connected on first power set, reel is installed on bull stick, Electricity Federation line is wound on reel, it is additionally provided in rack below accommodating chamber and what is stretched up and down pushes to slide slot, the beginning is provided in bull stick towards the installation cavity for pushing to slide slot, it is installed in installation cavity and connects electric pin, electricity pin lower end is connect to penetrate into and push to slide in slot, the top of Electricity Federation line penetrates into installation cavity and is fixedly connected with connecing electricity pin, it pushes to slide to be equipped with up and downly in slot and pushes to slide block, push to slide be provided with and connect in block upper surface electricity pin cooperation plug together slot, it pushes to slide and is correspondingly provided with push arm at left and right sides of block upper surface.
Description
Technical field
The present invention relates to grinding workpieces technical fields, and in particular to a kind of Novel grinding device.
Background technology
Sanding and polishing is carried out to workpiece surface commonly using sanding apparatus in some work pieces process factories, it is smooth to increase
Degree.Hand sander with it is small, rotating speed is high, stability is good, one-hand operation, it is not easy to fatigue, polishing workpiece essence
Cause etc. many merits and be widely used.However it is existing in, since the supply lines of hand sander is longer, in folding and unfolding extremely
Be not easy and easily trampled, pull etc. the influence of extraneous factors and cause supply lines epidermis be damaged, service life is caused to decline, is deposited
In larger drawback.
The content of the invention
It is an object of the invention to provide a kind of Novel grinding device and its application methods, can overcome the upper of the prior art
State defect.
According to the present invention, a kind of Novel grinding device of apparatus of the present invention including rack, is provided with receiving in the rack
Chamber, the rack right side are provided with empty slot, and the hole slot communicated, the empty slot are provided between the empty slot and the accommodating chamber
Slot is provided in upper end wall, the first power set, the first power dress are installed in the accommodating chamber upper end wall
It puts outside and is equipped with protective device, the protective device includes slowing down plate and heat absorption thin slice, is connected on first power set
Bull stick, the bull stick lower end is movably installed in the accommodating chamber lower end wall, and is installed with reel on the bull stick,
Electricity Federation line is wound on the reel, the end tail of the Electricity Federation line through the hole slot and is installed with sander, described to beat
Grinding machine is mounted in the slot, is additionally provided in the rack below the accommodating chamber and what is stretched up and down pushes to slide
Slot is provided with the installation cavity that the beginning pushes to slide slot described in the bull stick, is installed in the installation cavity and connects electric pin, institute
State connect electricity pin lower end penetrate into it is described push to slide in slot, the top of the Electricity Federation line penetrates into the installation cavity and connects electricity with described
Pin is fixedly connected, it is described push to slide to be equipped with up and downly in slot push to slide block, described push to slide is provided with and institute in block upper surface
The slot that plugs together for connecing electricity pin cooperation is stated, described push to slide is correspondingly provided with push arm at left and right sides of block upper surface, described to push to slide slot upper end
The logical conjunction slot that left and right is correspondingly provided with through the accommodating chamber and is connected with the push arm in wall, it is described to push to slide groove bottom wall
In be also installed with described in driving and push to slide the up and down pusher of block, dust excluding plate, institute are equipped with above the frame top
Rack is stated to be fixedly connected by mandril with the dust excluding plate.
Further technical solution, the pusher include being fixedly mounted on the second power set pushed to slide in groove bottom wall
And the stud on second power set is fixedly mounted on, described push to slide is provided with screw hole in block lower face, the spiral shell
Column is connected with the screw hole.
Further technical solution, described plug together are equipped with power connecting sheet in slot, the power connecting sheet is electrically connected with city.
Further technical solution, the push arm is towards being installed with brake(-holder) block, and institute on the end face of the reel
State brake(-holder) block to the reel bottom gap with it is described push to slide block upper end wall pushed to slide described in groove top wall gap it is equal.
Further technical solution is provided with the filter area communicated with the hole slot in the accommodating chamber right end wall.
Further technical solution, the sander one side are installed with hand holding handle, in the hand holding handle inward bottom wall
Left controller and right controller are installed, the left controller and right controller are connected with first power set.
Further technical solution, the electricity pin bottom that connects are arranged to semiarc shape.
Further technical solution, it is described slow down plate be arranged on first power set top and bottom and with it is described
First power set are fixedly connected, and the heat absorption thin slice is arranged on the front-end and back-end of first power set and with described the
The shell of one power set is fixedly connected, and the top and bottom of the heat absorption thin slice are fixedly connected with the plate that slows down, described
The front-end and back-end of first power set are respectively equipped with the heat absorption thin slice more than two panels, outside second power set
Equipped with the protective device.
The beneficial effects of the invention are as follows：
1. since apparatus of the present invention are in original state, block is pushed to slide positioned at trench bottom is pushed to slide, and connects electricity pin with plugging together slot cooperation,
So as to power off Electricity Federation line and sander, and the Electricity Federation coil of wire is received on reel, and sander is inserted under the action of frictional force
It hangs in slot, so as to which Electricity Federation line is contracted in the accommodating chamber and does not extend out in rack；
2. for sander in use, sander is removed from slot, and press bottom left controller, left controller control first is dynamic
Power apparatus rotates forward, and the first power set cocoa drives spool turns and carries out unwrapping wire to Electricity Federation line, and when Electricity Federation, line is adjusted to suitable
Length after, unclamp left controller, the first power set stop operating, then make the second power set run, the second power dress
Put to drive and push to slide block upward sliding, when pushing to slide block upward sliding to top, connect electricity pin lower end be inserted into plug together in slot and with
Power connecting sheet contacts so that Electricity Federation line is powered and electric power is led to sander, at the same time, push arm penetrate into accommodating chamber and
Brake(-holder) block offsets with reel bottom, thus prevents spool turns, thus can be kept fixed the extension elongation of Electricity Federation line；
3. after polishing, run the second power set, the second power set, which can drive, to be pushed to slide block slide downward and make to connect electricity
It sells and plugs together slot and depart from cooperation, so that Electricity Federation line powers off, when then pressing bottom right controller, right controller controls the first power
Device inverts, and the first power set can rotate backward with movable reel and carry out take-up to Electricity Federation line, when sander is retracted to empty slot
Afterwards, right controller is unclamped, and sander is inserted into slot；
4. apparatus of the present invention when not in use can furl Electricity Federation line, cause to grind so as to prevent Electricity Federation line from exposing outside rack
Damage can also avoid Electricity Federation line from tripping pedestrian, and it is when not in use and during take-up and unwrapping wire, and Electricity Federation line is always
State is remained powered off, so as to make Electrical Safety, and Electricity Federation line is fixed and is powered after being adjusted to appropriate length, apparatus of the present invention
It is simple in structure, it is easy to use, it is stable.
Description of the drawings
It, below will be to embodiment or existing in order to illustrate more clearly of inventive embodiments or technical solution of the prior art
Attached drawing is briefly described needed in technology description, it should be apparent that, the accompanying drawings in the following description is only to invent
Some embodiments, for those of ordinary skill in the art, without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of overall structure diagram of Novel grinding device of the present invention.
Fig. 2 is the inside enlarged structure schematic diagram of the region of interest in Fig. 1.
Fig. 3 is a kind of left view of Novel grinding device of the present invention.
Fig. 4 is the first power set external structure schematic diagram of the invention.
Specific embodiment
All features or disclosed all methods disclosed in this specification or in the process the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
This specification（Including any accessory claim, summary and attached drawing）Disclosed in any feature, except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.I.e., unless specifically stated, each feature
It is an example in a series of equivalent or similar characteristics.
As shown in Figs 1-4, including rack 1, receiving is provided in the rack 1 for a kind of Novel grinding device of the invention
Chamber 11,1 right side of rack are provided with empty slot 12, the hole slot communicated are provided between the empty slot 12 and the accommodating chamber 11
16, slot 5 is provided in 12 upper end wall of empty slot, and the first power set are installed in 11 upper end wall of accommodating chamber
21,21 outside of the first power set is equipped with protective device, and the protective device includes slowing down plate 211 and heat absorption thin slice 222,
Bull stick 22 is connected on first power set 21,22 lower end of bull stick is movably installed at 11 lower end of accommodating chamber
In wall, and reel 24 is installed on the bull stick 22, Electricity Federation line 25 is wound on the reel 24, the Electricity Federation line 25
End tail is through the hole slot 16 and is installed with sander 26, and the sander 26 is mounted in the slot 5, the machine
It is additionally provided in frame 1 below the accommodating chamber 11 and what is stretched up and down pushes to slide slot 13, the beginning is provided in the bull stick 22
The installation cavity of slot 13 is pushed to slide described in, is installed in the installation cavity and connects electric pin 23, it is described to connect electric 23 lower end of pin and penetrate
It is pushed to slide to described in slot 13, the top 251 of the Electricity Federation line 25 penetrates into the installation cavity and connects electric pin 23 with described and fix
Connection, it is described push to slide to be equipped with up and downly in slot 13 push to slide block 34, described push to slide is provided with and institute in 34 upper surface of block
State connect that electric pin 23 coordinates plug together slot 35, described push to slide is correspondingly provided with push arm 37, the cunning at left and right sides of 34 upper surface of block
Push away the logical conjunction slot that left and right in 13 upper end wall of slot is correspondingly provided with through the accommodating chamber 11 and is connected with the push arm 37
14, it is described push to slide also be installed in 13 bottom wall of slot driving described in push to slide the up and down pusher of block 34, the rack 1
Over top is equipped with dust excluding plate 101, and the rack 1 is fixedly connected with the dust excluding plate 101 by mandril 102, by described anti-
Dirt plate 101 can effectively prevent dust from falling into the present apparatus to influence normal operation by gap, while also allow for cleaning.
Valuably, the pusher includes being fixedly mounted on the second power set 31 pushed to slide in 13 bottom wall of slot and consolidate
Stud 32 of the Dingan County on second power set 31, described push to slide is provided with screw hole 33 in 34 lower face of block, described
Stud 32 is connected with the screw hole 33.
Valuably, described plug together is equipped with power connecting sheet 36 in slot 35, and the power connecting sheet 36 is electrically connected with city.
Valuably, the push arm 37 is towards being installed with brake(-holder) block 38, and the system on the end face of the reel 24
Movable plate 38 to 24 bottom of reel gap with it is described push to slide 34 upper end wall of block pushed to slide described in 13 roof of slot gap it is equal,
When pushing to slide 34 upward sliding of block to top so as to described in, the brake(-holder) block 38 is contacted with 24 bottom of reel.
Valuably, the filter area 17 communicated with the hole slot 16 is provided in the 11 right end wall of accommodating chamber, so as to keep away
Exempt from the Electricity Federation line 25 to scratch when extending and retracting.
Valuably, 26 one side of sander is installed with hand holding handle 261, pacifies in 261 inward bottom wall of hand holding handle
Equipped with left controller 262 and right controller 263, the left controller 262 and right controller 263 with first power set
21 connections, when by the left controller 262 is depressed, the left controller 262 controls the rotating forward pair of the first power set 21
Electricity Federation line 25 carries out unwrapping wire；When by the right controller 263 is depressed, the right controller 263 controls first power to fill
It puts 21 reversions and take-up is carried out to Electricity Federation line 25.
Valuably, it is described to connect electric 23 bottom of pin and be arranged to semiarc shape, coordinate so as to convenient with the slot 35 that plugs together.
Valuably, the plate 211 that slows down is arranged on the top and bottom of first power set 21 and with described first
Power set 21 are fixedly connected, it is described heat absorption thin slice 222 be arranged on first power set 21 front-end and back-end and with institute
The shell for stating the first power set 21 is fixedly connected, and the top and bottom of the heat absorption thin slice 222 are consolidated with the plate 211 that slows down
Fixed connection, the front-end and back-end of first power set 21 are respectively equipped with the heat absorption thin slice 222 more than two panels, the suction
Hot thin slice 222 is described to slow down plate 211 to subtract to absorb and distribute the heat generated when first power set 21 are run
The shaking force that few first power set 21 operationally generate, prevents that shaking force is excessive and influences the normal fortune of the present apparatus
It goes, the protective device also is provided with outside second power set 31.
During original state, it is described push to slide block 34 be located at it is described push to slide 13 bottom of slot, it is described to connect electric pin 23 and do not plugged together with described
Slot 35 coordinates, and the push arm 37 is pushed to slide in slot 13 and do not penetrated into the accommodating chamber 11, the Electricity Federation line 25 positioned at described
Retracting is on the reel 24, and the sander 26 is inserted under the action of frictional force and hung in the slot 5；
Polishing is in use, the sander 26 is removed from the slot 5, described and by depressing the left controller 262
Left controller 262 controls first power set 21 to rotate forward, and first power set 21 can drive the bull stick 22 to rotate,
The bull stick 22 can drive the reel 24 to rotate and carry out unwrapping wire to Electricity Federation line 25, when the Electricity Federation line 25 is adjusted to suitable
After length, the left controller 262 is unclamped, first power set 21 stop operating, and then make second power set
31 operations, second power set 31 drive the stud 32 to rotate, and the stud 32 can drive that described to push to slide block 34 upward
Slide, it is described when pushing to slide 34 upward sliding of block to top, it is described connect electric 23 lower end of pin be inserted into it is described plug together in slot 35 and with
The power connecting sheet 36 contacts, and connects electric pin 23 so that described and is powered, due to the Electricity Federation line 25 with it is described connect electric pin 23 and fix connect
It connects, therefore, electric power is led to sander by the Electricity Federation line 25, and at the same time, the push arm 37 penetrates into the accommodating chamber 11
In and the brake(-holder) block 38 offset with 24 bottom of reel, the reel 24 is thus prevented to rotate, thus can make the electricity
The extension elongation of on line 25 is kept fixed；
After polishing, run second power set 31, second power set 31, which can drive, described pushes to slide block 34
Slide downward and make it is described connect electric pin 23 with it is described plug together slot 35 and depart from coordinate so that the Electricity Federation line 25 powers off, then press
When depressing the right controller 263, the right controller 263 controls first power set 21 to invert, first power
Device 21 can drive the reel 24 to rotate backward and carry out take-up to Electricity Federation line 25, when the sander 26 is retracted to the sky
After slot 12, the right controller 263 is unclamped, and the sander 26 is inserted into the slot 5.
The beneficial effects of the invention are as follows：Since apparatus of the present invention are in original state, block is pushed to slide positioned at trench bottom is pushed to slide, is connect
Electricity pin is not with plugging together slot cooperation, and so as to power off Electricity Federation line and sander, and the Electricity Federation coil of wire is received on reel, and sander
It is inserted under the action of frictional force in hanging over slot, so as to which Electricity Federation line is contracted in the accommodating chamber and does not extend out in rack；
For sander in use, sander is removed from slot, and press bottom left controller, left controller controls the first power
Device rotates forward, and the first power set cocoa drives spool turns and carries out unwrapping wire to Electricity Federation line, and when Electricity Federation, line is adjusted to suitable
After length, left controller is unclamped, the first power set stop operating, and then run the second power set, the second power set
It can drive and push to slide block upward sliding, when pushing to slide block upward sliding to top, connect electricity pin lower end and be inserted into and plug together in slot and with connecing
Electric piece contact, so that Electricity Federation line is powered and electric power is led to sander, at the same time, push arm is penetrated into accommodating chamber and made
Movable plate offsets with reel bottom, thus prevents spool turns, thus can be kept fixed the extension elongation of Electricity Federation line；
After polishing, run the second power set, the second power set, which can drive, to be pushed to slide block slide downward and make to connect electric pin
Depart from cooperation with plugging together slot, so that Electricity Federation line powers off, when then pressing bottom right controller, right controller controls the first power dress
Reversion is put, the first power set can rotate backward with movable reel and carry out take-up to Electricity Federation line, after sander is retracted to empty slot,
Right controller is unclamped, and sander is inserted into slot；
Apparatus of the present invention when not in use can furl Electricity Federation line, cause to wear so as to prevent Electricity Federation line from exposing outside rack,
Also Electricity Federation line can be avoided to trip pedestrian, and it when not in use and during take-up and unwrapping wire, Electricity Federation line is protected always
Off-position is held, so as to make Electrical Safety, and Electricity Federation line is fixed and is powered after being adjusted to appropriate length, apparatus of the present invention knot
Structure is simple, easy to use, stable.
The above, the specific embodiment only invented, but invent protection domain be not limited thereto, it is any without
The change or replacement that creative work is expected are crossed, should all be covered within the protection domain of invention.Therefore, the protection domain of invention
It should be determined by the scope of protection defined in the claims.
Claims (8)
1. a kind of Novel grinding device, including rack, it is characterised in that：Accommodating chamber is provided in the rack, the rack is right
End face is provided with empty slot, and the hole slot communicated is provided between the empty slot and the accommodating chamber, is set in the empty slot upper end wall
There is slot, the first power set are installed in the accommodating chamber upper end wall, is equipped with and protects on the outside of first power set
Protection unit, the protective device include slowing down plate and heat absorption thin slice, and bull stick, the bull stick are connected on first power set
Lower end is movably installed in the accommodating chamber lower end wall, and reel is installed on the bull stick, is twined on the reel
Electricity Federation line is wound with, the end tail of the Electricity Federation line through the hole slot and is installed with sander, and the sander is mounted on institute
It states in slot, what is be additionally provided in the rack below the accommodating chamber and stretch up and down pushes to slide slot, in the bull stick
The installation cavity that slot is pushed to slide described in beginning direction is provided with, is installed in the installation cavity and connects electric pin, it is described to connect electricity pin lower end
It being pushed to slide described in penetrating into slot, the top of the Electricity Federation line penetrates into the installation cavity and is fixedly connected with the electricity pin that connects,
It is described push to slide to be equipped with up and downly in slot push to slide block, it is described push to slide be provided in block upper surface with it is described connect electricity pin coordinate
Plug together slot, described push to slide is correspondingly provided with push arm at left and right sides of block upper surface, described to push to slide left and right in slot upper end wall corresponding
It is provided through the accommodating chamber and the logical conjunction slot being connected with the push arm, described push to slide in groove bottom wall is also fixedly mounted
Have and push to slide the up and down pusher of block described in driving, be equipped with dust excluding plate above the frame top, the rack with it is described
Dust excluding plate is fixedly connected by mandril.
2. a kind of Novel grinding device according to claim 1, it is characterised in that：The pusher includes being fixedly mounted
It is described to push to slide block in the second power set in pushing to slide groove bottom wall and the stud being fixedly mounted on second power set
Screw hole is provided in lower face, the stud is connected with the screw hole.
3. a kind of Novel grinding device according to claim 1, it is characterised in that：It is described plug together to be equipped in slot connect electricity
Piece, the power connecting sheet are electrically connected with city.
4. a kind of Novel grinding device according to claim 1, it is characterised in that：The arm that pushes is towards the reel
Brake(-holder) block is installed on end face, and the brake(-holder) block is to the gap of the reel bottom and the block upper end wall that pushes to slide to institute
State push to slide groove top wall gap it is equal.
5. a kind of Novel grinding device according to claim 1, it is characterised in that：It is provided in the accommodating chamber right end wall
The filter area communicated with the hole slot.
6. a kind of Novel grinding device according to claim 1, it is characterised in that：The sander one side is installed with
Hand holding handle, is equipped with left controller and right controller in the hand holding handle inward bottom wall, and described and right controller is with described
One power set connect.
7. a kind of Novel grinding device according to claim 1, it is characterised in that：The electricity pin bottom that connects is arranged to half arc
Shape.
8. a kind of Novel grinding device according to claim 1, it is characterised in that：The plate that slows down is arranged on described first
It the top and bottom of power set and is fixedly connected with first power set, it is dynamic that the heat absorption thin slice is arranged on described first
It the front-end and back-end of power apparatus and is fixedly connected with the shell of first power set, the top and bottom of the heat absorption thin slice
It is fixedly connected with the plate that slows down, the front-end and back-end of first power set are respectively equipped with the heat absorption more than two panels
Thin slice also is provided with the protective device outside second power set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710428863.2A CN108081087A (en) | 2017-06-08 | 2017-06-08 | A kind of Novel grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710428863.2A CN108081087A (en) | 2017-06-08 | 2017-06-08 | A kind of Novel grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108081087A true CN108081087A (en) | 2018-05-29 |
Family
ID=62171797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710428863.2A Pending CN108081087A (en) | 2017-06-08 | 2017-06-08 | A kind of Novel grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108081087A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4897512A (en) * | 1988-04-18 | 1990-01-30 | Johnston Bobby J | Extension cord apparatus |
| CN1449985A (en) * | 2002-04-08 | 2003-10-22 | 华为技术有限公司 | Cable winding method and cable winder |
| CN201389848Y (en) * | 2008-09-17 | 2010-01-27 | 傅志庆 | Multifunctional combined toolkit |
| CN205555934U (en) * | 2016-04-28 | 2016-09-07 | 宁波华翔东方电力机具有限公司 | Full -automatic electronic hank grinds |
| CN206099583U (en) * | 2016-08-24 | 2017-04-12 | 天津东方兴泰工业科技股份有限公司 | Car motor casing |
| CN106758885A (en) * | 2017-03-29 | 2017-05-31 | 浦江县飞通电子科技有限公司 | A kind of bridge equipment |
-
2017
- 2017-06-08 CN CN201710428863.2A patent/CN108081087A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4897512A (en) * | 1988-04-18 | 1990-01-30 | Johnston Bobby J | Extension cord apparatus |
| CN1449985A (en) * | 2002-04-08 | 2003-10-22 | 华为技术有限公司 | Cable winding method and cable winder |
| CN201389848Y (en) * | 2008-09-17 | 2010-01-27 | 傅志庆 | Multifunctional combined toolkit |
| CN205555934U (en) * | 2016-04-28 | 2016-09-07 | 宁波华翔东方电力机具有限公司 | Full -automatic electronic hank grinds |
| CN206099583U (en) * | 2016-08-24 | 2017-04-12 | 天津东方兴泰工业科技股份有限公司 | Car motor casing |
| CN106758885A (en) * | 2017-03-29 | 2017-05-31 | 浦江县飞通电子科技有限公司 | A kind of bridge equipment |
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Application publication date: 20180529 |