CN106493764A - A kind of retractor device of knife - Google Patents
A kind of retractor device of knife Download PDFInfo
- Publication number
- CN106493764A CN106493764A CN201510562617.7A CN201510562617A CN106493764A CN 106493764 A CN106493764 A CN 106493764A CN 201510562617 A CN201510562617 A CN 201510562617A CN 106493764 A CN106493764 A CN 106493764A
- Authority
- CN
- China
- Prior art keywords
- magnet
- chute
- retractor device
- cutter hub
- knife according
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims 1
- 230000003993 interaction Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Landscapes
- Nonmetal Cutting Devices (AREA)
Abstract
The invention discloses a kind of retractor device of knife, including：First Magnet, the second Magnet and chute, first Magnet is be arranged in parallel with the second Magnet, first Magnet is fixed on the top or top of chute, second Magnet is connected with slide, cutter hub is arranged on the second Magnet back to one end of the first Magnet, in first Magnet and the second Magnet, at least one is electric magnet, second Magnet is provided with pulley or slide block, pulley or slide block are arranged in chute, pulley or slide block size are matched with chute, the retractor device of this knife, simple structure, after energization, cutter hub can quick-expansion automatically.
Description
Technical field：
The present invention relates to the flexible technical field of knife, more particularly to a kind of retractor device of knife.
Background technology：
The retractor device of knife realizes that using motor or spring cutter hub stretches at present, and using motor flexible, structure is multiple
Miscellaneous, speed is too slow, using telescopic spring, it is impossible to realize automatic telescopic function.
Content of the invention：
It is an object of the invention to provide a kind of retractor device of knife, simple structure can quick-expansion automatically.
The present invention is solution above-mentioned technical problem, there is provided a kind of retractor device of knife, including：First Magnet,
Two Magnet and chute, the first Magnet are be arranged in parallel with the second Magnet, the first Magnet be fixed on the top of chute or on
Side, the second Magnet is connected with slide, and cutter hub is arranged on the second Magnet back to one end of the first Magnet, and first
In Magnet and the second Magnet, at least one is electric magnet.
Above-mentioned second Magnet is provided with pulley or slide block, and pulley or slide block are arranged in chute, and pulley or slide block are big
Little match with chute.
Also include the 3rd Magnet, the 3rd Magnet is parallel with the first Magnet and the second Magnet, the 3rd Magnet is fixed on
The bottom or lower section of chute, the 3rd Magnet is electric magnet or permanent magnet.
Above-mentioned 3rd Magnet is provided with the passage passed through for cutter hub.
Buffer strip is provided between above-mentioned first Magnet and the second Magnet, and chute bottom is provided with buffer strip.
Above-mentioned first Magnet and the 3rd Magnet are provided with buffer strip respectively between the second Magnet.
Above-mentioned buffer strip is yielding rubber bar or buffered silica gel bar.
Above-mentioned second Magnet is provided with draw-in groove, and cutter hub is provided with fin corresponding with draw-in groove, fin and draw-in groove phase
Match somebody with somebody.
Above-mentioned first Magnet, the second Magnet and/or the 3rd Magnet are made up of multiple Magnet respectively, multiple Magnet
Between pass through the attracting concatenation of magnetic pole.
Relative to prior art, the beneficial effects of the present invention is：
1st, when the first Magnet is electric magnet, and the second Magnet is permanent magnet, magnetic is produced after the power-up of the first Magnet,
When after power-up, the first Magnet is identical with the second Magnet opposite face polarity, the first Magnet is produced to the second Magnet
Raw repulsion, the second Magnet in the presence of repulsion, drive cutter hub to move downward in chute, realize stretching out,
When the first Magnet after power-up and the second Magnet opposite face opposite polarity, the first Magnet is produced to the second Magnet
Raw suction, the second Magnet drive cutter hub to be moved in chute upwards in the presence of suction, realize shrinking,
Simple structure, automatically retractable after energization.
2nd, when the first Magnet is electric magnet, the second Magnet is permanent magnet, when the 3rd Magnet is electric magnet, when
When one Magnet is identical with opposite face polarity after the power-up of the 3rd Magnet, and the first Magnet is relative with the second Magnet
When face polarity is identical, the first Magnet produces repulsion to the second Magnet, and the 3rd Magnet is produced to the second Magnet
Suction, in the presence of repulsion and suction, fast speed belt moving knife body is quick downward in chute for the second Magnet
Motion, realizes stretching out, when the first Magnet is identical with opposite face polarity after the 3rd Magnet reversely powering up,
Then the first Magnet and the second Magnet opposite face opposite polarity, the first Magnet produce suction to the second Magnet,
3rd Magnet to the second Magnet produce repulsion, the second Magnet in the presence of repulsion and suction, fast speed belt
Moving knife body fast upward motion in chute, realizes shrinking, increases by the 3rd Magnet, same with the first Magnet
When to the equidirectional effect of the second Magnet, can quick-expansion automatically.
3rd, direct collision is produced when buffer strip avoids the first Magnet and the second Magnet from moving under interaction, or
The second Magnet of person produces direct collision, or the second Magnet and the 3rd with chute bottom in quick moving
Direct collision is produced when Magnet is moved under interaction, causes the first Magnet, the second Magnet or the
Three Magnet are damaged, and lift the service life of retractor device.
4th, the second Magnet is connected by fin and draw-in groove with cutter hub, makes the second Magnet and cutter hub connection more firm.
5th, it is serially connected by magnetic pole is attracting between multiple Magnet, increases can the magnetic of Magnet, Magnet
Magnetic increase strengthens can the active force between the first Magnet, the second Magnet and/or the 3rd Magnet, make
Cutter hub stretching motion speed is faster.
Description of the drawings：
Structural representations of the Fig. 1 for the embodiment of the present invention one, embodiment two or embodiment three；
Structural representations of the Fig. 2 for the embodiment of the present invention four, embodiment five or embodiment six；
Wherein：1st, cutter hub；2nd, the first Magnet rest area；3rd, the second Magnet；4th, the second Magnet rest area；
5th, chute, 6, pulley；7th, buffer strip；8th, the first Magnet；9th, the second Magnet；10th, passage.
Specific embodiment：
Clear, complete description is carried out to the technical scheme of the embodiment of the present invention below in conjunction with the accompanying drawings.
A kind of retractor device of knife, including：First Magnet 8, the second Magnet 3 and chute, the first Magnet 8 with
Second Magnet 3 be arranged in parallel, and the first Magnet 8 is fixed on the top or top of chute 5, the second Magnet 9 and cunning
Groove 5 is slidably connected, and cutter hub 1 is arranged on the second Magnet 9 back to one end of the first Magnet 8,8 He of the first Magnet
In second Magnet 3, at least one is electric magnet.
Above-mentioned second Magnet 3 is provided with pulley 6 or slide block, and pulley 6 or slide block are arranged in chute 5, pulley
6 or slide block size match with chute 5.
Also include the 3rd Magnet 9, the 3rd Magnet 9 is parallel with the first Magnet 8 and the second Magnet 3, the 3rd magnetic
Ferrum 9 is fixed on the bottom or lower section of chute 5, and the 3rd Magnet 9 is electric magnet or permanent magnet.
Above-mentioned 3rd Magnet 9 is provided with the passage 10 passed through for cutter hub 1.
Buffer strip 7 is provided between above-mentioned first Magnet 8 and the second Magnet 3, and 5 bottom of chute is provided with buffer strip
7.
Above-mentioned first Magnet 8 and the 3rd Magnet 9 are provided with buffer strip 7 respectively between the second Magnet 3.
Above-mentioned buffer strip 7 is yielding rubber bar or buffered silica gel bar.
Above-mentioned second Magnet 3 is provided with draw-in groove, and cutter hub 1 is provided with fin corresponding with draw-in groove, fin and draw-in groove
Match.
Above-mentioned first Magnet 8, the second Magnet 3 and/or the 3rd Magnet 9 are made up of multiple Magnet respectively, many
Pass through the attracting concatenation of magnetic pole between individual Magnet.
As shown in figure 1, the first Magnet 8 is fixed on the first Magnet rest area 2, the second Magnet 3 is led to
Cross pulley 6 or slide block and the connection composition retractor device of chute 5.
Embodiment one
When the first Magnet 8 is electric magnet, and the second Magnet 3 is permanent magnet, the first Magnet 8 is produced after powering up
Magnetisation, when after power-up, the first Magnet 8 is identical with 3 opposite face polarity of the second Magnet, the first Magnet 8
Repulsion is produced between the second Magnet 3, and the second Magnet 3 drives cutter hub 1 in the presence of repulsion in chute
Move downward in 5, realize that cutter hub 1 stretches out, 3 opposite face of the first Magnet 8 and the second Magnet after power-up
During opposite polarity, between the first Magnet 8 and the second Magnet 3, suction is produced, the second Magnet 3 is in suction
In the presence of drive cutter hub 1 to be moved in chute 5 upwards, realize that cutter hub 1 shrinks, this knife flexible
Apparatus structure is simple, 1 automatically retractable of cutter hub after energization.
Embodiment two
When the first Magnet 8 is permanent magnet, and the second Magnet 3 is electric magnet, the second Magnet 3 is produced after powering up
Magnetisation, when after power-up, the first Magnet 8 is identical with 3 opposite face polarity of the second Magnet, the first Magnet 8
Repulsion is produced between the second Magnet 3, and the second Magnet 3 drives cutter hub 1 in the presence of repulsion in chute
Move downward in 5, realize that cutter hub 1 stretches out, 3 opposite face of the first Magnet 8 and the second Magnet after power-up
During opposite polarity, between the first Magnet 8 and the second Magnet 3, suction is produced, the second Magnet 3 is in suction
In the presence of drive cutter hub 1 to be moved in chute 5 upwards, realize that cutter hub 1 shrinks, this knife flexible
Apparatus structure is simple, 1 automatically retractable of cutter hub after energization.
Embodiment three
When the first Magnet 8 is electric magnet, and the second Magnet 3 is also electric magnet, the first Magnet 8 and second
Magnetic, 3 opposite face pole of the first Magnet 8 and the second Magnet after power-up is produced after Magnet 3 is simultaneously powered up
Property identical when, between the first Magnet 8 and the second Magnet 3 produce repulsion, the second Magnet 3 is in repulsion
Effect lower band moving knife body 1 is moved downward in chute 5, realizes that cutter hub 1 stretches out, the first magnetic after power-up
During 3 opposite face opposite polarity of ferrum 8 and the second Magnet, produce between the first Magnet 8 and the second Magnet 3
Suction, the second Magnet 3 drive cutter hub 1 to be moved in chute 5 upwards in the presence of suction, realize knife
Body 1 shrinks, the retractor device simple structure of this knife, 1 automatically retractable of cutter hub after energization.
Buffer strip 7 is from yielding rubber or buffered silica gel, it is to avoid the first Magnet 8 and the second Magnet 3 or
Direct collision is produced when the first Magnet of person 8 is quickly moved with 5 bottom of chute, cause the first Magnet 8 or
The second Magnet of person 3 is damaged, and lifts the service life of retractor device.
As shown in Fig. 2 the first Magnet 8 is fixed on the first Magnet rest area 2, by the 3rd Magnet 9
It is fixed on the 3rd Magnet rest area 4, the second Magnet 3 is passed through 5 connection group of pulley 6 or slide block and chute
Into retractor device.
Example IV
When the first Magnet 8 is electric magnet, the second Magnet 3 is permanent magnet, and the 3rd Magnet 9 is electric magnet
When, 9 simultaneously powered up rear generation magnetic of the first Magnet 8 and the 3rd Magnet, when the first Magnet 8 and second
3 opposite face polarity of Magnet is identical, while when the second Magnet 3 and 9 opposite face opposite polarity of the 3rd Magnet,
Repulsion is produced between first Magnet 8 and the second Magnet 3, is produced between the 3rd Magnet 9 and the second Magnet 3
Raw suction, in the presence of repulsion and suction, fast speed belt moving knife body 1 is fast in chute 5 for the second Magnet 3
Speed is moved downward, and realizes that cutter hub 1 stretches out, and makes to the first Magnet 8 and 9 reversely powering up of the 3rd Magnet
3 opposite face opposite polarity of one Magnet 8 and the second Magnet, while the second Magnet 3 and 9 phase of the 3rd Magnet
When opposite polarity is identical, the first Magnet 8 and the second Magnet 3 produce suction, the 3rd Magnet 9 pairs second
Magnet 3 produces repulsion, and the second Magnet 3 in the presence of repulsion and suction, sliding by fast speed belt moving knife body 1
Fast upward motion in groove 5, realizes that cutter hub 1 shrinks, this retractor device, and after energization, cutter hub 1 can be certainly
Dynamic quick-expansion.
Embodiment five
When the first Magnet 8 is permanent magnet, the second Magnet 3 is electric magnet, and the 3rd Magnet 9 is permanent magnet
When, magnetic is produced after the second Magnet 3 is powered up, when 3 opposite face pole of the first Magnet 8 and the second Magnet
Property identical, while when the second Magnet 3 and 9 opposite face opposite polarity of the 3rd Magnet, the first Magnet 8 with
Repulsion is produced between second Magnet 3, generation suction between the 3rd Magnet 9 and the second Magnet 3, second
Magnet 3 in the presence of repulsion and suction, the sharp downward movement in chute 5 of fast speed belt moving knife body 1,
Realize that cutter hub 1 stretches out, make the first Magnet 8 relative with the second Magnet 3 second Magnet, 3 reversely powering up
Face opposite polarity, while when the second Magnet 3 is identical with 9 opposite face polarity of the 3rd Magnet, the first Magnet 8
Suction is produced with the second Magnet 3, the 3rd the second Magnet 3 of Magnet 9 pairs produces repulsion, the second Magnet 3
In the presence of repulsion and suction, the fast upward motion in chute 5 of fast speed belt moving knife body 1 realizes knife
Body 1 shrinks, this retractor device, and after energization, cutter hub 1 can quick-expansion automatically.
Embodiment six
When the first Magnet 8, the second Magnet 3 and the 3rd Magnet 9 are electric magnet, the first Magnet 8,
Second Magnet 3 and the 3rd Magnet 9 produce magnetic after powering up, when the first Magnet 8 and the second Magnet 3
Opposite face polarity is identical, while during 3 opposite face opposite polarity of the 3rd Magnet 9 and the second Magnet, first
Repulsion is produced between Magnet 8 and the second Magnet 3, suction between the 3rd Magnet 9 and the second Magnet 3, is produced
Power, the second Magnet 3 in the presence of repulsion and suction, fast speed belt moving knife body 1 in chute 5 quick to
Lower motion, realizes that cutter hub 1 stretches out, when 3 opposite face opposite polarity of the first Magnet 8 and the second Magnet,
When simultaneously the 3rd Magnet 9 is identical with 3 opposite face polarity of the second Magnet, the first Magnet 8 and the second Magnet 3
Between produce suction, produce repulsion between the 3rd Magnet 9 and the second Magnet 3, the second Magnet 3 scolding
In the presence of power and suction, the fast upward motion in chute 5 of fast speed belt moving knife body 1 realizes cutter hub 1
Shrink, this retractor device, after energization, cutter hub 1 can quick-expansion automatically.
Buffer strip 7 is from yielding rubber or buffered silica gel, it is to avoid the first Magnet 8, the second Magnet 3 and the
Direct collision is produced when three Magnet 9 are moved under interaction, causes the first Magnet 8, the second Magnet 3
Or the 3rd Magnet 9 damage, lifted retractor device service life.
Second Magnet 3 is connected by fin and draw-in groove with cutter hub 1, connects the second Magnet 3 and cutter hub 1
It is more firm to connect.
It is serially connected by magnetic pole is attracting between multiple Magnet, increases can the magnetic of Magnet, magnetic
Ferromagnetism increase can make the active force between the first Magnet 8, the second Magnet 3 and/or the 3rd Magnet 9
Strengthen, make 1 stretching motion speed of cutter hub faster.
Above content is further description made for the present invention with reference to specific preferred implementation, it is impossible to assert
The specific embodiment of the present invention is only limitted to this, for general technical staff of the technical field of the invention comes
Say, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should
Be considered as belonging to the present invention scope of patent protection is determined by the claims that is submitted to.
Claims (9)
1. a kind of retractor device of knife, it is characterised in that include：First Magnet, the second Magnet and chute, first
Magnet is be arranged in parallel with the second Magnet, and the first Magnet is fixed on the top or top of chute, the second Magnet and chute
Be slidably connected, cutter hub installed in the second Magnet back to the first Magnet one end, in the first Magnet and the second Magnet extremely
Few one is electric magnet.
2. the retractor device of knife according to claim 1, it is characterised in that second Magnet is provided with cunning
Wheel or slide block, pulley or slide block are arranged in chute, and pulley or slide block size are matched with chute.
3. the retractor device of knife according to claim 1 and 2, it is characterised in that also include the 3rd Magnet,
3rd Magnet is parallel with the first Magnet and the second Magnet, and the 3rd Magnet is fixed on the bottom or lower section of chute, the
Three Magnet are electric magnet or permanent magnet.
4. the retractor device of knife according to claim 3, it is characterised in that the 3rd Magnet is provided with use
In the passage that cutter hub passes through.
5. the retractor device of knife according to claim 1, it is characterised in that first Magnet and the second magnetic
Buffer strip is provided between ferrum, and chute bottom is provided with buffer strip.
6. the retractor device of knife according to claim 3, it is characterised in that first Magnet and the 3rd magnetic
Ferrum is provided with buffer strip respectively between the second Magnet.
7. the retractor device of the knife according to claim 5 or 6, it is characterised in that the buffer strip is buffering
Rubber strip or buffered silica gel bar.
8. the retractor device of knife according to claim 1, it is characterised in that second Magnet is provided with card
Groove, cutter hub are provided with fin corresponding with draw-in groove, and fin is matched with draw-in groove.
9. the retractor device of knife according to claim 7, it is characterised in that first Magnet, the second magnetic
Ferrum and/or the 3rd Magnet are made up of multiple Magnet respectively, pass through the attracting concatenation of magnetic pole between multiple Magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510562617.7A CN106493764A (en) | 2015-09-07 | 2015-09-07 | A kind of retractor device of knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510562617.7A CN106493764A (en) | 2015-09-07 | 2015-09-07 | A kind of retractor device of knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106493764A true CN106493764A (en) | 2017-03-15 |
Family
ID=58286952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510562617.7A Pending CN106493764A (en) | 2015-09-07 | 2015-09-07 | A kind of retractor device of knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106493764A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790764A (en) * | 2017-11-29 | 2018-03-13 | 成都劲升精密机械制造有限公司 | A kind of more bore perforating devices of auto parts |
| CN111987770A (en) * | 2020-08-26 | 2020-11-24 | 江西联创宏声电子股份有限公司 | Charging box |
| WO2022032415A1 (en) * | 2020-08-10 | 2022-02-17 | 南京溧水高新创业投资管理有限公司 | One-time press molding device for rubber synthesis |
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| CN204913991U (en) * | 2015-09-07 | 2015-12-30 | 何广森 | Telescoping device of sword |
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| CN1253671A (en) * | 1997-02-24 | 2000-05-17 | 线性运动技术有限责任公司 | Apparatus for producing linear motion |
| CN1765046A (en) * | 2003-03-25 | 2006-04-26 | Thk株式会社 | Linear motor actuator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790764A (en) * | 2017-11-29 | 2018-03-13 | 成都劲升精密机械制造有限公司 | A kind of more bore perforating devices of auto parts |
| WO2022032415A1 (en) * | 2020-08-10 | 2022-02-17 | 南京溧水高新创业投资管理有限公司 | One-time press molding device for rubber synthesis |
| CN111987770A (en) * | 2020-08-26 | 2020-11-24 | 江西联创宏声电子股份有限公司 | Charging box |
| CN111987770B (en) * | 2020-08-26 | 2024-05-17 | 江西联创宏声电子股份有限公司 | Charging box |
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