CN110026916A - Hand held knife sharpener - Google Patents
Hand held knife sharpener Download PDFInfo
- Publication number
- CN110026916A CN110026916A CN201910409168.0A CN201910409168A CN110026916A CN 110026916 A CN110026916 A CN 110026916A CN 201910409168 A CN201910409168 A CN 201910409168A CN 110026916 A CN110026916 A CN 110026916A
- Authority
- CN
- China
- Prior art keywords
- shifting part
- toggle
- knife sharpener
- hand held
- strip
- 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
Links
- 238000005498 polishing Methods 0.000 claims abstract description 38
- 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 17
- 239000000463 material Substances 0.000 claims description 6
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D15/00—Hand tools or other devices for non-rotary grinding, polishing, or stropping
- B24D15/06—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges
- B24D15/08—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges of knives; of razors
Abstract
The present invention provides hand held knife sharpener, it is related to knife sharpener technical field, including pedestal, upper cover, several polishing sticks and angular adjustment apparatus, accommodating chamber is equipped between pedestal and upper cover, it is set on pedestal there are two the first opening, upper lid is equipped with two second openings, and the first opening forms sharpening mouth with the second opening, two polishing sticks are arranged in a crossed manner in sharpening mouth, and first polishing stick in each sharpening mouth is movably arranged in accommodating chamber by swing component；Angular adjustment apparatus includes toggle, the first shifting part, the second shifting part, first shifting part and the second shifting part are arranged in accommodating chamber, upper lid is equipped with strip-shaped hole, the first end of toggle extends upward through upper cover and moves back and forth along the length direction of strip-shaped hole, the second end of toggle is fixedly connected with the first shifting part first end, the second end of first shifting part is connect with the second shifting part, and the second shifting part is connect with two swing components respectively.The present invention was not only convenient for carrying, but also can improve sharpening efficiency, time saving and energy saving.
Description
Technical field
The present invention relates to knife sharpener technical fields, are specifically related to a kind of hand held knife sharpener.
Background technique
Existing knife sharpener is roller type knife sharpener mostly, using the whetstone edge of rolling quickly rub blade realize mill
The effect of knife.But roller type knife sharpener generally requires and drives idler wheel rotation with power, volume is larger and inconvenient to carry.Market
On also have portion portable knife sharpener using whetstone arranged in a crossed manner, user needs for the blade of cutter to be put into sharpening mouth,
The two sides of blade is ground by whetstone, to realize sharpening function.Two whetstones intersection of existing Portable knife sharpener is set
It postpones, the included angle of whetstone immobilizes, and is only applicable to the cutter of specific thicknesses, or tool point angle smaller for some thickness
Degree be less than included angle cutter when, need user constantly to adjust the sharpening angle of cutter be bonded the whetstone of blade two sides into
Row is whetted a knife, and the operation is time-consuming and laborious.
Summary of the invention
The object of the present invention is to provide a kind of hand held knife sharpeners being convenient for carrying.
In order to achieve the above purpose, hand held knife sharpener provided by the invention includes pedestal, upper cover and several polishings
Stick is equipped with accommodating chamber, is open on pedestal at least provided with two first, at least provided with two second in upper cover between pedestal and upper cover
Opening, every one first opening form a sharpening mouth with corresponding second opening, several are polished, and stick is arranged in a crossed manner two-by-two to be held
It receives intracavitary and is at least partially exposed through in corresponding sharpening mouth, first polishing stick in each sharpening mouth passes through swing component activity
It is arranged in accommodating chamber；Hand held knife sharpener further includes angular adjustment apparatus, and angular adjustment apparatus includes toggle, first stirs
Part, the second shifting part, the first shifting part and the second shifting part are arranged in accommodating chamber, and upper lid is equipped with strip-shaped hole, toggle
Middle part is movably arranged in strip-shaped hole, the first end of toggle from strip-shaped hole through upper cover and can along strip-shaped hole length direction back and forth
Mobile, the second end of toggle is arranged in accommodating chamber and is fixedly connected with the first shifting part first end, the second of the first shifting part
End is connect with the second shifting part, and the second shifting part is connect with several swing components respectively.
By above scheme as it can be seen that passing through the hand held knife sharpener of setting small volume, it is convenient for carrying；By the way that angle tune is arranged
Engagement positions, user can adjust the angle of two polishing sticks in sharpening mouth according to the specific requirements of different cutters, so that two polishings
Stick can be bonded the two sides of blade, be conducive to improve sharpening efficiency, so that not only time saving but also laborsaving during whetting a knife.
Further embodiment is, the second shifting part is gear assembly, and gear assembly includes first gear, second gear, the
One gear and institute's second gear are coaxially disposed, and the reference diameter of first gear and the reference diameter of second gear are unequal；
Each swing component is connect with first gear, and the first shifting part is connect with second gear.
Further embodiment is that the first end of swing component is hinged on the side of sharpening mouth by pin shaft, and swing component faces
Setting polishing stick on the side of sharpening mouth, the second end of swing component are set as fanning strip, and fanning strip is equipped with several teeth；Pendulum
Sliding eye is additionally provided in the second end of moving part, sliding eye is arranged along the rotation direction of swing component.
Further embodiment is, second polishing stick in each sharpening mouth be arranged in accommodating chamber by fixing piece and with
Swing component is arranged in a crossed manner, and the first end of fixing piece is hinged on the other side of sharpening mouth by pin shaft, and fixing piece faces sharpening mouth
Side on setting polishing stick, the second end of fixing piece is equipped with fixed pin, and fixed pin is embedded in sliding eye and along sliding eye
Length direction moves back and forth.
Further embodiment is that swing component is equipped with the first mounting groove, and the side of the first mounting groove is equipped with the first mounting hole,
Polishing stick is fixed in the first mounting groove by first clamping member, and first clamping member is equipped with the second mounting hole, first clamping member
Connector by sequentially passing through the second mounting hole, the first mounting hole is connect with swing component.
Further embodiment is that fixing piece is equipped with the second mounting groove, and the side of the second mounting groove is equipped with third mounting hole,
Polishing stick is fixed in the second mounting groove by the second clamping piece, and the second clamping piece is equipped with the 4th mounting hole, the second clamping piece
Connector by sequentially passing through the 4th mounting hole, third mounting hole is connect with fixing piece.
Further embodiment is that the first end of the first shifting part is equipped with guidance part, is set in the second end of the first shifting part
There are third opening, the second shifting part side of opening direction direction of third opening；On the end of first side side wall of third opening
Equipped with several teeth, second side side wall of third opening is connect with toggle；Second side side wall of third opening is equipped with card slot,
The first end of toggle is equipped with buckle, and buckle is clamped with card slot.
Further embodiment is that the second end of toggle is equipped with forced section, and forced section is equipped with button cap, and upper lid is equipped with peace
Slot is set, the slot bottom of resettlement groove is equipped with strip-shaped hole and several grooves, several grooves are each perpendicular to the moving direction of toggle；Toggle
Middle part be movably arranged in strip-shaped hole and move back and forth along the length direction of strip-shaped hole；One end of button cap is equipped with lug boss,
Lug boss protrudes forced section and extends to the direction of groove, and lug boss and groove are clamped.
Further embodiment is, two polishings in the polishing stick at least two sharpening mouths, in one of sharpening mouth
Stick is made of diamond material, and two polishing sticks in another sharpening mouth are made of ceramic material.
By above scheme as it can be seen that the sharpening mouth formed by setting at least two by the polishing stick of unlike material, realizes knife
The corase grinding of tool and fine grinding are conducive to the sharpening quality for improving cutter.
Detailed description of the invention
Fig. 1 is the structural exploded view of the embodiment of the present invention.
Fig. 2 is the structure chart of the embodiment of the present invention.
Fig. 3 is the cross-sectional view in the direction A-A in the embodiment of the present invention.
Fig. 4 is the cross-sectional view in the direction B-B in the embodiment of the present invention.
The invention will be further described with reference to the accompanying drawings and embodiments.
Specific embodiment
It is the structural exploded view of the embodiment of the present invention referring to Fig. 1 to 3, Fig. 1, Fig. 2 is the structure chart of the embodiment of the present invention, figure
3 be the cross-sectional view in the direction A-A in the embodiment of the present invention.The hand held knife sharpener of the present embodiment includes pedestal 1, upper cover 2 and four
Polishing stick 3, pedestal 1 and upper cover 2 are detachably connected, and accommodating chamber is equipped between pedestal 1 and upper cover 2.First there are two being set on pedestal 1
Opening 11, two first openings 11 are symmetricly set on the rear and front end of pedestal 1, and the first opening 11 is along 1 rear and front end of pedestal
End is recessed inwardly.It is set in upper cover 2 there are two the second opening 21, two second openings 21 are symmetricly set on the front and back two of upper cover 2
On end, the second opening 21 is recessed inwardly along the end of 2 rear and front end of upper cover.It is every one first opening 11 with it is corresponding second be open 21
Form a sharpening mouth, the opening setting for mouth of whetting a knife is wider, and sharpening mouth is from its opening gradually to narrowing inside knife sharpener.Two
A polishing stick 3 is arranged in a crossed manner in accommodating chamber and to be partially exposed in sharpening mouth, and 3 material of polishing stick in two sharpening mouths is different
Sample, two polishing sticks 3 in one of sharpening mouth are made of diamond material, two polishing sticks in another sharpening mouth
3 are made of ceramic material.
First polishing stick 3 in each sharpening mouth is movably arranged in accommodating chamber by swing component 4.The of swing component 4
One end is hinged on the first side of sharpening mouth by pin shaft.Swing component 4 is equipped with the first mounting groove 41 in face of the side of sharpening mouth,
The groove depth of first mounting groove 41 is equal to or slightly less than the thickness of polishing stick 3.First mounting groove 41 is equipped with backwards to the side of sharpening mouth
First mounting hole, polishing stick 3 are fixed in the first mounting groove 41 by first clamping member 5.First clamping member 5 is equipped with the second peace
Hole is filled, the first mounting hole of swing component 4 is correspondingly arranged with second mounting hole of first clamping member 5.First clamping member 5 is by successively
Connector through the second mounting hole, the first mounting hole is connect with swing component 4, which is preferably screw.The of swing component 4
Two ends are set as fanning strip, and fanning strip is equipped with several teeth, several teeth are arranged along the curved end of fanning strip.Pendulum
Sliding eye 42 is additionally provided in the second end of moving part 4, sliding eye 42 is arranged between pin shaft and teeth.Sliding eye 42 is along swing component 4
Rotation direction arrangement, 42 optimum position of sliding eye be blind hole.
Second polishing stick 3 in each sharpening mouth, which is arranged in accommodating chamber and is intersected with swing component 4 by fixing piece 6, to be set
It sets.The first end of fixing piece 6 is hinged in second side of sharpening mouth by pin shaft.Fixing piece 6 is set on the side of sharpening mouth
There is the second mounting groove 61, the groove depth of the second mounting groove 61 is equal to or slightly less than the thickness of polishing stick 3.Second mounting groove 61 is backwards to mill
The side of the edge of a knife is equipped with third mounting hole, and polishing stick 3 is fixed in the second mounting groove 61 by the second clamping piece 51.Second clamping
Part 51 is equipped with the 4th mounting hole, and the third mounting hole of fixing piece 6 and the 4th mounting hole of the second clamping piece 51 are correspondingly arranged.The
Two clamping pieces 51 are connect by sequentially passing through the connector of the 4th mounting hole, third mounting hole with fixing piece 6, and the connector is preferred
For screw.The second end of fixing piece 6 is equipped with fixed pin 62, and fixed pin 62 is downwardly convex along the lower surface of fixing piece 6.Fixing piece
Fixed pin 62 on 6 is correspondingly arranged with about 42 sliding eye on swing component 4, and the height of fixed pin 62 is equal to or slightly less than sliding
The depth in hole 42, so that fixed pin 62 is embedded in sliding eye 42 and can move back and forth along the length direction of sliding eye 42.
Hand held knife sharpener further includes angular adjustment apparatus, and angular adjustment apparatus includes toggle 7, the first shifting part 8, second
Shifting part 9, the first shifting part 8 and the second shifting part 9 are arranged in accommodating chamber.Upper cover 2 is equipped with strip-shaped hole 23, the strip-shaped hole
23 arrange along the rear and front end of upper cover 2.The first end of toggle 7 runs through upper cover 2 from strip-shaped hole 23 and can be along the length of strip-shaped hole 23
Direction moves back and forth.The second end of toggle 7 is arranged in accommodating chamber and is fixedly connected with 8 first end of the first shifting part, first group
The second end of moving part 8 is connect with the second shifting part 9, and the second shifting part 9 is connect with several swing components 4 respectively.
Second shifting part 9 is preferably gear assembly, and the second shifting part 9 is stirred with several swing components 4 and first respectively
The engagement connection of part 8.Gear assembly includes first gear 91, second gear 92, and first gear 91 is coaxially set with institute second gear 92
It sets.The reference diameter of first gear 91 and the reference diameter of second gear 92 are unequal, preferably point of first gear 91
Spend the reference diameter that circular diameter is less than second gear 92.Swing component 4 on rear and front end respectively with 91 company of engagement of first gear
It connects, the first shifting part 8 is connect with second gear 92.
The first end of first shifting part 8 is equipped with guidance part 81, and guidance part 81 includes about two sliding slots back to setting
82.Pedestal 1 is equipped with the first strip parts 12, and the first strip parts 12 raise upward along the inner surface of pedestal 1；Upper cover 2 is equipped with the
Two strip parts, the second strip parts are downwardly convex along the inner surface of upper cover 2.First strip parts 12 and the second strip parts it is corresponding up and down and
Arranged along the moving direction of toggle 7.Sliding slot 82 is flexibly connected with the first strip parts 12 or the second strip parts.First shifting part 8
Second end be equipped with third opening 83, the opening direction of third opening 83 is towards 9 side of the second shifting part.Third opening 83
The end of first side side wall is equipped with several teeth, several teeth are used to engage connection with second gear 92.Third opening
83 second side side wall is connect with toggle 7.Second side side wall of third opening 83 is equipped with card slot 84, the opening direction of card slot 84
It is identical as the opening direction of third opening 83.The first end of toggle 7 is equipped with buckle 71, and buckle 71 is clamped with card slot 84.Toggle 7
Second end be equipped with forced section 72, forced section 72 is equipped with button cap 73, solid by horizontal axis 74 between forced section 72 and button cap 73
Fixed connection.
Fig. 4 is participated in, Fig. 4 is the cross-sectional view in the direction B-B in the present embodiment of the present invention.The forced section 72 and button cap 73 of toggle 7
Between be equipped with spring 75, the lower end of forced section 72 is equipped with the 5th mounting hole 76, and the first end of spring 75 is embedded in the 5th mounting hole 76
Interior, the second end of spring 75 is abutted with the inner surface of 73 lower end of button cap, so that button cap 73 is obliquely installed upwards to the left, button cap 73
Upper end protrusion 72 surface of forced section extends to the left, forms lug boss 731.Upper cover 2 is equipped with resettlement groove 22, and resettlement groove 22 is along upper cover
2 right surface is recessed to the left, and the slot bottom of resettlement groove 22 is arranged in strip-shaped hole 23.The slot bottom upper end of resettlement groove 22 is additionally provided with several
A groove 24, strip-shaped hole 23 are arranged in the middle part of each groove 24 and are connected with each groove 24.The middle part activity of toggle 7 is arranged
Move back and forth in strip-shaped hole 23 and along the length direction of strip-shaped hole 23.Several grooves 24 are each perpendicular to the mobile side of toggle 7
To the i.e. length direction perpendicular to strip-shaped hole 23.Each groove 24 is correspondingly arranged with the lug boss 731 of button cap 73, so that
The lug boss 731 of button cap 73 can be embedded in corresponding groove 24 in moving process, realize the limit of toggle 7 in the direction of movement.
Button cap 73 is made of flexible material, when applying a biggish external force to it, the left end of button cap 73 and groove 24 can be made de-
From.
Claims (9)
1. hand held knife sharpener, including pedestal, upper cover and several polishing sticks, it is characterised in that:
It is equipped with accommodating chamber between the pedestal and the upper cover, is open on the pedestal at least provided with two first, the upper cover
On at least provided with two second be open, it is each it is described first opening with it is corresponding second opening formation one sharpening mouth, several
The polishing stick is arranged in a crossed manner two-by-two in the accommodating chamber and to be at least partially exposed through in the corresponding sharpening mouth, Mei Yisuo
First in sharpening mouth polishing stick is stated to be movably arranged in the accommodating chamber by swing component；
The hand held knife sharpener further includes angular adjustment apparatus, and the angular adjustment apparatus includes toggle, the first shifting part,
Two shifting parts, first shifting part and second shifting part are arranged in the accommodating chamber, and the upper lid is equipped with item
Shape hole is movably arranged in the strip-shaped hole in the middle part of the toggle, and the first end of the toggle runs through institute from the strip-shaped hole
It states upper cover and can move back and forth along the length direction of the strip-shaped hole, the second end of the toggle is arranged in the accommodating chamber simultaneously
It is fixedly connected with the first shifting part first end, the second end of first shifting part is connect with second shifting part, institute
The second shifting part is stated to connect with swing component described in several respectively.
2. hand held knife sharpener according to claim 1, it is characterised in that:
Second shifting part is gear assembly, and the gear assembly includes first gear, second gear, the first gear with
The coaxial arrangement of institute's second gear, the reference diameter of the first gear and the reference diameter of the second gear are unequal；
Each swing component is connect with the first gear, and first shifting part is connect with the second gear.
3. hand held knife sharpener according to claim 1, it is characterised in that:
The first end of the swing component is hinged on the side of the sharpening mouth by pin shaft, and the swing component faces the sharpening
The polishing stick is set on the side of mouth, and the second end of the swing component is set as fanning strip, and the fanning strip is equipped with several
A teeth；Sliding eye is additionally provided in the second end of the swing component, the sliding eye is arranged along the rotation direction of the swing component.
4. hand held knife sharpener according to claim 3, it is characterised in that:
Second polishing stick in each sharpening mouth be arranged in the accommodating chamber by fixing piece and with the pendulum
Moving part is arranged in a crossed manner, and the first end of the fixing piece is hinged on the other side of the sharpening mouth by pin shaft, the fixing piece
The polishing stick is set on the side of the sharpening mouth, and the second end of the fixing piece is equipped with fixed pin, the fixation
Pin is embedded in the sliding eye and moves back and forth along the length direction of sliding eye.
5. hand held knife sharpener according to claim 4, it is characterised in that:
The swing component is equipped with the first mounting groove, and the side of first mounting groove is equipped with the first mounting hole, the polishing stick
Be fixed in first mounting groove by first clamping member, described first clamping member be equipped with the second mounting hole, described first
Clamping piece is connect by sequentially passing through the connector of second mounting hole, first mounting hole with the swing component.
6. hand held knife sharpener according to claim 5, it is characterised in that:
The fixing piece is equipped with the second mounting groove, and the side of second mounting groove is equipped with third mounting hole, the polishing stick
Be fixed in second mounting groove by the second clamping piece, second clamping piece be equipped with the 4th mounting hole, described second
Clamping piece is connect by sequentially passing through the connector of the 4th mounting hole, the third mounting hole with the fixing piece.
7. hand held knife sharpener according to claim 1, it is characterised in that:
The first end of first shifting part is equipped with guidance part, and the second end of first shifting part is open equipped with third,
The opening direction of third opening is towards second shifting part side；On the end of first side side wall of the third opening
Equipped with several teeth, second side side wall of the third opening is connect with the toggle；Second side side of the third opening
Wall is equipped with card slot, and the first end of the toggle is equipped with buckle, and the buckle is clamped with the card slot.
8. hand held knife sharpener according to claim 7, it is characterised in that:
The second end of the toggle is equipped with forced section, and the forced section is equipped with button cap, and the upper lid is equipped with resettlement groove, peace
The slot bottom for setting slot is equipped with the strip-shaped hole and several grooves, several grooves are each perpendicular to the moving direction of toggle；Described group
It is movably arranged in the middle part of button in the strip-shaped hole and moves back and forth along the length direction of the strip-shaped hole；One end of the button cap
Be equipped with lug boss, the lug boss protrude the forced section to the direction of the groove extend, the lug boss with it is described recessed
Slot clamping.
9. hand held knife sharpener according to any one of claims 1 to 8, it is characterised in that:
In the polishing stick in at least two sharpening mouths, two polishing sticks in one of them described sharpening mouth are using gold
Hard rock material is made, and two polishing sticks in another described sharpening mouth are made of ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409168.0A CN110026916A (en) | 2019-05-16 | 2019-05-16 | Hand held knife sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409168.0A CN110026916A (en) | 2019-05-16 | 2019-05-16 | Hand held knife sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110026916A true CN110026916A (en) | 2019-07-19 |
Family
ID=67242461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910409168.0A Pending CN110026916A (en) | 2019-05-16 | 2019-05-16 | Hand held knife sharpener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110026916A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2191742Y (en) * | 1994-04-23 | 1995-03-15 | 吉林市东银餐具有限公司 | Knife sharpener |
| JPH10328982A (en) * | 1997-04-04 | 1998-12-15 | Spyderco Inc | Integral multiangle type cutter sharpener |
| CN203804689U (en) * | 2014-04-28 | 2014-09-03 | 浙江金石家居用品有限公司 | Knife sharpener with sharpening-stone regulating mechanism |
| CN105081995A (en) * | 2015-09-23 | 2015-11-25 | 中山市泰帝科技有限公司 | Fixed-angle professional and accurate knife sharpener |
| CN210081515U (en) * | 2019-05-16 | 2020-02-18 | 阳江市天骄家庭用品制造有限公司 | Hand-held knife grinder |
-
2019
- 2019-05-16 CN CN201910409168.0A patent/CN110026916A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2191742Y (en) * | 1994-04-23 | 1995-03-15 | 吉林市东银餐具有限公司 | Knife sharpener |
| JPH10328982A (en) * | 1997-04-04 | 1998-12-15 | Spyderco Inc | Integral multiangle type cutter sharpener |
| CN203804689U (en) * | 2014-04-28 | 2014-09-03 | 浙江金石家居用品有限公司 | Knife sharpener with sharpening-stone regulating mechanism |
| CN105081995A (en) * | 2015-09-23 | 2015-11-25 | 中山市泰帝科技有限公司 | Fixed-angle professional and accurate knife sharpener |
| CN210081515U (en) * | 2019-05-16 | 2020-02-18 | 阳江市天骄家庭用品制造有限公司 | Hand-held knife grinder |
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