CN205009304U - Paper cutter - Google Patents
Paper cutter Download PDFInfo
- Publication number
- CN205009304U CN205009304U CN201520759738.6U CN201520759738U CN205009304U CN 205009304 U CN205009304 U CN 205009304U CN 201520759738 U CN201520759738 U CN 201520759738U CN 205009304 U CN205009304 U CN 205009304U
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- CN
- China
- Prior art keywords
- pedestal
- knife
- bolt
- paper
- stationary knife
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a paper cutter has solved the cutter and can receive the problem that gravity and stationary knife suit and the cutter can't restore to the throne behind surely intact paper, and its technical scheme main points are including base, stationary knife, cutter and paper hold -down mechanism, the last canceling release mechanical system who is used for lifting up the cutter that still is provided with of paper cutter, the cutter rotates the bolt pivot through one within a definite time with the stationary knife and is connected, threaded connection between cutter and rotation bolt, canceling release mechanical system includes the torsional spring and is used for two of spacing torsional spring to twist reverse the draw -in groove and the dog of arm 721, the torsional spring cup joints on rotating the bolt spacingly between a stationary knife and a nut, it is just parallel with the axial lead that rotates the bolt that the surface of rotating the bolt is located to the draw -in groove, draw -in groove tie -rod's head, the dog is fixed in the stationary knife dorsad on the one end terminal surface of cutter, has reached easy operation, safe effect.
Description
Technical field
The utility model relates to a kind of paper cutting instrument, and more particularly, it relates to a kind of paper knife.
Background technology
Paper knife is various paper, photo, art designing's paperboard, the cold and hot desirable indispensabilities such as paper of mounting cut instrument.Existing paper knife generally includes pedestal, stationary knife, cutting knife.Stationary knife is fixed on the edge of pedestal, and the knife edge upwards; The knife edge of cutting knife is downward, and the front end of cutting knife is hinged on stationary knife, and the tail end of cutting knife is fixed with handle.During paper knife work, paper lies on pedestal, and cut part is placed between stationary knife and cutting knife, then quick by cutting knife pressure, is cut part and is namely cut off along line of cut.
In order to prevent paper knife in use paper be moved, the patent No. is that the Chinese patent of CN201020541030.0 discloses a kind of paper knife, comprises pedestal, stationary knife, cutting knife that one has horizontal plane; Stationary knife is fixed on the edge of pedestal, and the knife edge upward; The knife edge of cutting knife is downward, and the front end of cutting knife is hinged on stationary knife, and the tail end of cutting knife is fixed with handle; Paper knife is separately provided with paper hold-down mechanism, comprises the pressing plate of plate face and base parallel and the depression bar for compressing this pressing plate; Pressing plate by being separately positioned on the backstay at its two ends, rotating bolt is positioned at the edge of pedestal near stationary knife side, backstay and rotating bolt are vertically fixed on pedestal after passing over the locating hole on pressing plate respectively, separately have spring to be set on the pressure on top surface making both be separated from each other on backstay and rotating bolt and to pressing plate and pedestal applying respectively; One end of depression bar and the head of backstay hinged, and by the connecting rod in the middle part of depression bar, downward pressure is applied to described pressing plate.By analyzing rear this patent known, there is following a few point defect: 1, in use, because spring is arranged between pedestal and pressing plate, in addition spring still has certain height after compaction, and this causes cannot realizing due to the existence of spring between seat and pressing plate compressing; 2, after Long-Time Service, the tie point of cutting knife and stationary knife weares and teares and fluffs, can make cutting knife and stationary knife that cutting knife cannot be kept to fix when open mode, suit with stationary knife under causing cutting knife gravitate, if paper can be caused to damage or cause operator injured under hand is placed on cutting knife when placing paper or in operation; 3, all need after cutting manually to lift cutting knife, complex operation at every turn.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of paper knife, and it is to solve cutting knife can by the problem that gravity and stationary knife suit and cutting knife cannot reset after cutting paper.
For achieving the above object, the utility model provides following technical scheme: a kind of paper knife, comprise pedestal, stationary knife, cutting knife and paper hold-down mechanism, described paper knife is also provided with the resetting-mechanism for lifting cutting knife, described cutting knife is connected by a rotating bolt rotating shaft with between stationary knife, and described cutting knife is threaded with between rotating bolt; Described resetting-mechanism comprises torsion spring and for the draw-in groove of two reverse arms 721 of spacing torsion spring and block, described torsion spring set to be connected on rotating bolt and to be limited between stationary knife and a nut, described draw-in groove be located at rotating bolt surface and with the axis parallel of rotating bolt, the head of described draw-in groove through bolt, described block is fixed on one end end face of stationary knife cutting knife dorsad.
The utility model is set to further: described rotating bolt is socketed with a tumbler, and described block is arranged on an end face of tumbler, and described tumbler connects and fixes on stationary knife, and described tumbler can rotate around the axial line of rotating bolt.
The utility model is set to further: the through hole described stationary knife being provided with some grooves and passing for rotating bolt, described groove is uniformly distributed around the center of through hole, one end end face of the block dorsad of described tumbler is at least provided with a projection, described projection and groove fit, the quantity of institute's groove is the natural several times of number of slugs.
The utility model is set to further: described paper hold-down mechanism comprises pressing plate and the depression bar for clamping platen, one end of described pressing plate is rotated and is arranged on pedestal, the face, rotation place of described pressing plate is vertical plane, described pedestal is provided with the edge of the side of stationary knife, and the other end of described pressing plate is connected with elasticity between pedestal.
The utility model is set to further: described pressing plate is positioned on pedestal respectively by a bolt and pilot pin, distance between the bolt cap of described pilot pin and pedestal upper surface is greater than the thickness of pressing plate, the two ends of described pressing plate are respectively arranged with the first long waist-shaped hole and the second long waist-shaped hole that arrange along pressing plate length direction, described pilot pin is connected on pedestal through the first long waist-shaped hole, described bolt is threaded on pedestal through the second long waist-shaped hole, described bolt is socketed with spring, and described spring is located between pressing plate and pedestal.
The utility model is set to further: the side of described pedestal is provided with connecting portion, the upper surface of described connecting portion is lower than the upper surface of pedestal, the upper surface of described connecting portion and the upper surface spacing of pedestal are more than or equal to the minimum range of spring, and described bolt is arranged on connecting portion.
The utility model is set to further: the length of described second long waist-shaped hole is greater than the length of the first long waist-shaped hole, and the end of pressing plate is run through in the side of described second long waist-shaped hole.
The utility model is set to further: described stationary knife is provided with baffle plate relative to the side of pedestal, is provided with Wastepaper Collection groove between described baffle plate and stationary knife.
The utility model is set to further: the top of described baffle plate is that notch cuttype is arranged, and described ladder includes the first terrace and the second terrace higher than the first terrace, and described first terrace is near stationary knife and setting coplanar with pedestal upper surface.
In sum, the utility model paper knife has the following advantages:
First aspect, by torsion spring be arranged so that between cutting knife and stationary knife, angle is reduced to certain value time, torsion spring applies a twisting resistance to cutting knife, now control that after cutting knife and stationary knife suit, only namely need unclamp cutting knife controls cutting knife lifting automatically by twisting resistance again, realize cutting knife to reset, make operation more simple, convenient;
Second aspect, the impact that the weight that can be overcome cutting knife by the effect of twisting resistance is shone cutting knife, avoids cutting knife gravitate and stationary knife to suit, improves security performance;
The third aspect, being arranged by torsion spring can tensioning cutting knife and stationary knife, avoids cutting knife and stationary knife to produce gap impact after long-term use and cuts effect;
Fourth aspect, by retainer spring is arranged on installation portion is avoided pressing plate and pedestal end face between cannot pressing problem occur.
Accompanying drawing explanation
Fig. 1 is the structural representation of paper knife;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is the front view of paper knife;
Fig. 4 is the structural representation of resetting-mechanism;
Fig. 5 is the structural representation of tumbler;
Fig. 6 is the scheme of installation of pressing plate and depression bar.
Reference numeral: 1, pedestal; 2, cutting knife; 3, stationary knife; 31, groove; 41, pressing plate; 411, bolt; 412, pilot pin; 413, spring; 414, the first long waist-shaped hole; 415, the second long waist-shaped hole; 42, depression bar; 5, baffle plate; 51, feeder; 52, the first terrace; 53, the second terrace; 6, rotating bolt; 71, tumbler; 711, block; 712, projection; 72, torsion spring; 721, reverse arm 721.
Detailed description of the invention
Referring to figs. 1 through Fig. 6, the utility model paper knife is described further.
Be a kind of embodiment of the utility model paper knife as shown in Figures 1 to 6, it comprises pedestal 1, stationary knife 3, cutting knife 2, resetting-mechanism and paper hold-down mechanism, be connected by rotating bolt 6 rotating shaft between cutting knife 2 with stationary knife 3, be threaded between cutting knife 2 with rotating bolt 6; Paper hold-down mechanism comprises pressing plate 41 and the depression bar 42 for clamping platen 41, one end of pressing plate 41 is rotated and is arranged on pedestal 1, the face, rotation place of pressing plate 41 is vertical plane, and pedestal 1 is provided with the edge of the side of stationary knife 3, and the other end and pedestal 1 elasticity of pressing plate 41 is connected.
Above-mentioned resetting-mechanism comprises torsion spring 72 and for the draw-in groove of two reverse arms 721 of spacing torsion spring 72 and block 711, wherein, torsion spring 72 to be socketed on rotating bolt 6 and to be limited between stationary knife 3 and a nut, compresses torsion spring 72 cutting knife 2 and stationary knife 3 are fitted tightly by nut; Draw-in groove be located at rotating bolt 6 surface and with the axis parallel of rotating bolt 6, the head of draw-in groove through bolt, block 711 is fixed on one end end face of stationary knife 3 cutting knife 2 dorsad, one reverse arm 721 of torsion spring 72 is plugged in draw-in groove, another reverse arm 721 rotates with rotating bolt 6, when cutting knife 2 and stationary knife 3 angles are less than certain value, this reverse arm 721 abuts with block 711, and now cutting knife 2 continues to produce twisting resistance to torsion spring during incision 72.
Wherein, above-mentioned rotating bolt 6 is socketed with a tumbler 71, block 711 is integrally formed on an end face of tumbler 71, tumbler 71 connects and fixes on stationary knife 3, in order to realize angle when producing twisting resistance between free setting cutting knife 2 and stationary knife 3, in the utility model, tumbler 71 can rotate around the axial line of rotating bolt 6; For realizing the rotatable of tumbler 71, through hole stationary knife 3 being provided with some grooves 31 and passing for rotating bolt 6, groove 31 is uniformly distributed around the center of through hole, one end end face of the block dorsad 711 of tumbler 71 is at least provided with a projection 712, projection 712 coordinates with groove 31, the quantity of institute's groove 31 is the natural several times of projection 712 quantity, is connected to and tumbler 71 realizes coordinating of projection 712 and groove 31, prevent tumbler 71 from rotating by torsion spring 72; And when needs adjustment block 711 position, unclamping nut on rotating bolt 6 reduces or eliminate torsion spring 72 to act on power on tumbler 71, now tumbler 71 axially pulled out along rotating bolt 6 and again make projection 712 and groove 31 coordinate after rotating.
Pressing plate 41 is positioned on pedestal 1 respectively by a bolt 411 and pilot pin 412, distance between the bolt cap of pilot pin 412 and pedestal 1 upper surface is greater than the thickness of pressing plate 41, the two ends of pressing plate 41 are respectively arranged with the first long waist-shaped hole 414 and the second long waist-shaped hole 415 arranged along pressing plate 41 length direction, the length of the second long waist-shaped hole 415 is greater than the length of the first long waist-shaped hole 414, and in order to easy for installation, the end of pressing plate 41 is run through in the side of the second long waist-shaped hole 415, pilot pin 412 is connected on pedestal 1 through the first long waist-shaped hole 414, bolt 411 is threaded on pedestal 1 through the second long waist-shaped hole 415, bolt 411 is socketed with spring 413, spring 413 is located between pressing plate 41 and pedestal 1.
The side of pedestal 1 is provided with connecting portion, the upper surface of connecting portion is lower than the upper surface of pedestal 1, the upper surface of connecting portion and the upper surface spacing of pedestal 1 are more than or equal to the minimum range of spring 413, the upper surface of preferred connecting portion and the upper surface spacing of pedestal 1 are greater than the minimum range of spring 413, bolt 411 is arranged on connecting portion, is arranged so that the upper surface of pressing plate 41 and pedestal 1 can fit tightly by above-mentioned.
Stationary knife 3 is connected with a baffle plate 5 vertically arranged relative to the side of pedestal 1 by two joint pins, is provided with Wastepaper Collection groove 51 between baffle plate 5 and stationary knife 3, and after cutting paper, residual discarded paper slip can be hoarded in feeder 51; The top of baffle plate 5 is that notch cuttype is arranged, ladder include the first terrace 52 and higher than the second terrace 53, first terrace 52 of the first terrace 52 near stationary knife 3 and with the coplanar setting in pedestal 1 upper surface, be arranged so that the cutting effect of paper cutting is better by ladder.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. a paper knife, comprise pedestal, stationary knife, cutting knife and paper hold-down mechanism, it is characterized in that: described paper knife is also provided with the resetting-mechanism for lifting cutting knife, described cutting knife is connected by a rotating bolt rotating shaft with between stationary knife, and described cutting knife is threaded with between rotating bolt; Described resetting-mechanism comprises torsion spring and for the draw-in groove of two reverse arms 721 of spacing torsion spring and block, described torsion spring set to be connected on rotating bolt and to be limited between stationary knife and a nut, described draw-in groove be located at rotating bolt surface and with the axis parallel of rotating bolt, the head of described draw-in groove through bolt, described block is fixed on one end end face of stationary knife cutting knife dorsad.
2. paper knife according to claim 1, it is characterized in that: described rotating bolt is socketed with a tumbler, described block is arranged on an end face of tumbler, and described tumbler connects and fixes on stationary knife, and described tumbler can rotate around the axial line of rotating bolt.
3. paper knife according to claim 2, it is characterized in that: the through hole described stationary knife being provided with some grooves and passing for rotating bolt, described groove is uniformly distributed around the center of through hole, one end end face of the block dorsad of described tumbler is at least provided with a projection, described projection and groove fit, the quantity of institute's groove is the natural several times of number of slugs.
4. paper knife according to claim 1, it is characterized in that: described paper hold-down mechanism comprises pressing plate and the depression bar for clamping platen, one end of described pressing plate is rotated and is arranged on pedestal, the face, rotation place of described pressing plate is vertical plane, described pedestal is provided with the edge of the side of stationary knife, and the other end of described pressing plate is connected with elasticity between pedestal.
5. paper knife according to claim 4, it is characterized in that: described pressing plate is positioned on pedestal respectively by a bolt and pilot pin, distance between the bolt cap of described pilot pin and pedestal upper surface is greater than the thickness of pressing plate, the two ends of described pressing plate are respectively arranged with the first long waist-shaped hole and the second long waist-shaped hole that arrange along pressing plate length direction, described pilot pin is connected on pedestal through the first long waist-shaped hole, described bolt is threaded on pedestal through the second long waist-shaped hole, described bolt is socketed with spring, described spring is located between pressing plate and pedestal.
6. paper knife according to claim 5, it is characterized in that: the side of described pedestal is provided with connecting portion, the upper surface of described connecting portion is lower than the upper surface of pedestal, the upper surface of described connecting portion and the upper surface spacing of pedestal are more than or equal to the minimum range of spring, and described bolt is arranged on connecting portion.
7. paper knife according to claim 5, is characterized in that: the length of described second long waist-shaped hole is greater than the length of the first long waist-shaped hole, and the end of pressing plate is run through in the side of described second long waist-shaped hole.
Paper knife according to claim 1, is characterized in that: described stationary knife is provided with baffle plate relative to the side of pedestal, is provided with Wastepaper Collection groove between described baffle plate and stationary knife.
8. paper knife according to claim 7, is characterized in that: the top of described baffle plate is that notch cuttype is arranged, and described ladder includes the first terrace and the second terrace higher than the first terrace, and described first terrace is near stationary knife and setting coplanar with pedestal upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520759738.6U CN205009304U (en) | 2015-09-28 | 2015-09-28 | Paper cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520759738.6U CN205009304U (en) | 2015-09-28 | 2015-09-28 | Paper cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205009304U true CN205009304U (en) | 2016-02-03 |
Family
ID=55207930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520759738.6U Expired - Fee Related CN205009304U (en) | 2015-09-28 | 2015-09-28 | Paper cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205009304U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105779666A (en) * | 2016-03-27 | 2016-07-20 | 夏治政 | Cutting device for bovine furniture leather |
| CN108311930A (en) * | 2018-03-26 | 2018-07-24 | 江苏通盛换热器有限公司 | A kind of positioning tool and its dicing method for cutting Special-shaped fin |
| CN109483624A (en) * | 2018-12-27 | 2019-03-19 | 东莞市嘉玺办公设备有限公司 | A kind of dual-purpose paper cutter of band chamfering |
| CN112873351A (en) * | 2020-12-29 | 2021-06-01 | 北京无线电计量测试研究所 | Load cutting equipment |
-
2015
- 2015-09-28 CN CN201520759738.6U patent/CN205009304U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105779666A (en) * | 2016-03-27 | 2016-07-20 | 夏治政 | Cutting device for bovine furniture leather |
| CN108311930A (en) * | 2018-03-26 | 2018-07-24 | 江苏通盛换热器有限公司 | A kind of positioning tool and its dicing method for cutting Special-shaped fin |
| CN109483624A (en) * | 2018-12-27 | 2019-03-19 | 东莞市嘉玺办公设备有限公司 | A kind of dual-purpose paper cutter of band chamfering |
| CN112873351A (en) * | 2020-12-29 | 2021-06-01 | 北京无线电计量测试研究所 | Load cutting equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20160928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |