CN106032223A - Preservative film cutting device cutting by teeth - Google Patents
Preservative film cutting device cutting by teeth Download PDFInfo
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- CN106032223A CN106032223A CN201510114758.2A CN201510114758A CN106032223A CN 106032223 A CN106032223 A CN 106032223A CN 201510114758 A CN201510114758 A CN 201510114758A CN 106032223 A CN106032223 A CN 106032223A
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- tooth
- preservative film
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Abstract
The invention provides a preservative film cutting device cutting by teeth, and belongs to the technical field of daily necessities. A principle that tightening force and shear force are generated when opposite cross sections of two tooth-type surfaces begin to cross is used to achieve an objective of cutting a preservative film. The device comprises an upper cutter and a lower cutter. The upper cutter and the lower cutter are in a long strip shape, and length is larger than width of the preservative film. Each of the upper cutter and the lower cutter is provided with a side surface which is a tooth-type surface. The tooth-type surfaces of the upper cutter and the lower cutter are opposite. The tooth-type surfaces are provided with vertical tooth tops and vertical tooth roots arranged in sequence. The tooth tops of the upper cutter are on the tooth root positions of the lower cutter. The top end of the upper cutter is fixed in front of the bottom of the cover. The bottom end of the lower cutter is fixed in front of an outlet on the top end of the box. The device is advantaged in that the arrangement of distance between the tooth-type surfaces has relatively large latitude, and the structure is simple, and because no teeth-cutter exists, a hand would not be hurt when the hand pulls the preservative film.
Description
Technical field
The invention belongs to article of everyday use technical field, be specifically related to the preservative film shearing device that a kind of tooth is sheared.
Technical background
Preservative film Application comparison in daily life is extensive, it is mainly used in the cleaning of food and fresh-keeping, the common usage of preservative film is to get up to be placed in carton by freshness-retaining film roll now, from carton, preservative film is pulled out the when of use, again preservative film is placed on the tooth bar on carton and breaks by force, or cut off with shears, with disconnected use of lancinating.
Above-mentioned usage operates and there is following point: be inconvenient to use, and being broken on the tooth bar of carton by preservative film operates is not easy very much, and the plastic fresh-keeping membrane difficulty big especially for retractility is bigger；Be not durable, outsourcing carton be unable to undergo repeatedly turn from side to side can not reusable problem, carton be used only once about about 30 meters just discarded useless, be unfavorable for environmental protection and resources circulation；Additionally, exposed tooth top outside packaging also easily causes scuffing, and certain potential safety hazard be there is also for child.
Chinese patent CN96229952.9 before the present inventor, CN2005200474358, CN2005200478715, the design of the Wrapping case that band disclosed in CN200520006577X cuts off, its core technology be upper cover when, preservative film is fixed on cutter groove by the cutting apparatus that helps on cutter groove both sides, cutting knife enters cutter groove and is cut off by preservative film from top, problem is the structure helping cutting apparatus to be plane, fixing preservative film is dependent on arranging and helps the cooperation of cutting apparatus gap length just can complete fixing preservative film up and down, little gap can produce big bed knife, but need to spend big pressure that cutting knife just can be made to run downwards；Big gap has only to spend little pressure that cutting knife just can be made to run downwards, and the kind that problem is preservative film is various, have plenty of fragility, have plenty of toughness, have plenty of flexibility, unalterable gap can produce the problem that preservative film can not be fixed or preservative film can not cut off；Meanwhile, the making of product, use can make the fixing of gap variation effects preservative film and the cut-out of preservative film；How could easily fix and tighten preservative film and be turned off the problem that preservative film needs to solve.
Summary of the invention
The purpose of the present invention: the preservative film shearing device that a kind of tooth is sheared is provided.
The thinking of the present invention: by observing and experiment finds: when the cross section that two Profile of AT are relative starts to intersect when, bed knife and shearing force can be produced simultaneously, concrete bed knife and shearing force depend mainly on the size of the spacing of Profile of AT, the height of tooth, space width, the angle of contact surface, suitably set and just fixing and cut-out can be completed simultaneously.
Concrete idea is: arrange a fixing lower cut-out, one movable upper cut-out is set, the side cut off up and down is respectively arranged with the Profile of AT of a vertical configuration, and crown and the tooth root of the Profile of AT cut off up and down intersect, and the crown of upper cut-out is at the tooth root of lower cut-out；
The bottom surface of upper cut-out is become crown less than the inclined-plane of tooth root, the end face of lower cut-out is become crown higher than tooth root inclined-plane, so, be the crown top that first touches lower cut-out the bottom of upper cut-out presses downward to when；
As long as the Profile of AT cut off up and down be smaller than tooth depth, bed knife and shearing force can be produced the when of crosslinking on the bottom of upper cut-out and lower cut-out top, this bed knife and shearing force be enough to cut off preservative film.
In order to ensure that, all the time along identical orbiting motion, the bottom of lower cut-out is connected to the top of box, the top of upper cut-out is connected to the bottom of lid, and lid is used in the connector of a center of circle rotation and is connected with box.
The present invention use following concrete technical scheme realize invention purpose: a kind of tooth shear preservative film shearing device, including lid, box, connector, blank and preservative film, wherein:
Described preservative film is placed in box, and the outlet of strip is arranged at the top of box, and the preservative film in box is stretched from exit.
Described covers above box.
Described connector include connection with under be connected, upper connection with under be connected on the same center of circle rotate, described under be fastened on the top exporting box below, described on be fastened on the rear end of bottom of lid.
Described blank includes cut-out, lower cut-out, described upper cut-out, lower cut-out are elongated, length is more than the width of preservative film, it is Profile of AT that upper cut-out and lower cut-out are respectively arranged with a side, the Profile of AT of upper cut-out is relative with the Profile of AT of lower cut-out, Profile of AT has at the bottom of the crown being arranged in order and the tooth of vertical configuration, and the crown of described upper cut-out is positioned at the tooth bottom of lower cut-out.
The top of upper cut-out is fixed on the front of the bottom of lid, and the bottom of lower cut-out is fixed on the top of the box before exit.
Preferably, the crown of the bottom of upper cut-out is less than at the bottom of tooth；The crown on the top of lower cut-out is higher than at the bottom of tooth.
Preferably, the spacing of the Profile of AT of the Profile of AT of upper cut-out and lower cut-out is not more than tooth depth.
Preferably, the space width of the Profile of AT of the Profile of AT of upper cut-out and lower cut-out is between 1 to 30 millimeters.
The invention have the advantage that preservative film can be cut off it is crucial that preservative film to be tauted just can be sheared disconnected, it is an advantage of the invention that and tighten and shearing is that a step completes, it is sheared while tightening, the present invention is that the relative cross section of two Profile of AT of application is when start to intersect, the principle that can produce the power of tightening and shearing force cuts off preservative film, present configuration is simple, the distance between Profile of AT be provided with bigger tolerance.
Meanwhile, because not having serrated knife, being pulled outwardly preservative film when, user can be pulled outwardly out preservative film with hands relievedly, with the when of pulling preservative film, will not injure in one's hands.
Meanwhile, because not having serrated knife safety and cost the most excellent.
Accompanying drawing explanation
Accompanying drawing 1 is the side profile schematic diagram that the preservative film cut-out appliance cover that the present invention provides opens up state.
Accompanying drawing 2 is the side profile schematic diagram that the preservative film that the present invention provides cuts off the downward closed mode of appliance cover.
Accompanying drawing 3 is the top cross-sectional view that the preservative film that the present invention provides cuts off the downward closed mode of appliance cover.
In figure:
(10): box, (11): the top of box, (12): outlet, (13): preservative film,
(20): lid, (21): the bottom of lid,
(30): connector, (31): upper connection, (32): lower connection, (33): the center of circle,
(40): blank, (41): upper cut-out, (42): above cut off Profile of AT, (43): lower cut-out, (44): incision broken teeth profile, (45): inclined-plane, (46): crown, (47): at the bottom of tooth, (48): tooth depth.
Detailed description of the invention
For convenience of description, we define box be one can be with the rectangular object of folding, one end of size length to the other end is longitudinally, is longitudinally left and right directions, and one end that size is little is horizontal to the other end, is laterally fore-and-aft direction.
Simultaneously we assume that preservative film is to be rolled into tubular to put in box and replace, the exit that preservative film 13 also is able to from box freely pulls out.
Below according to accompanying drawing, the preservative film that illustrating the present invention provides uses device concrete structure.
Referring to the drawings 1, accompanying drawing 1 is the side profile schematic diagram that the preservative film cut-out appliance cover that the present invention provides opens up state.
In Fig. 1: described box 10 is an openable housing, preservative film 13 is placed in box 10, and the outlet 12 of strip is arranged at the top 11 of box, and the preservative film 13 in box 10 is stretched at 12 from exporting.
Described connector 30 include connection 31 with under be connected 32, upper connection 31 with under be connected 32 on the same center of circle 33, upper connection 31 with under be connected 32 can be freely rotatable around this center of circle 33, described lower connection 32 is fixed on the top 11 of outlet 12 boxes below, described upper connection 31 is fixed on the rear end of the bottom 21 of lid, and connecting later lid 20 can open up with the center of circle 33 of connector 30 for rotating shaft at the top 11 of box and close downwards；
The rear end of described lid 20 is upturned.
The top of upper cut-out 41 is fixed on the front end of the bottom 21 of lid, and the bottom of described lower cut-out 43 is fixed on the top 11 of the box before outlet 12.
The bottom of upper cut-out 41 is an inclined-plane 45, and namely the crown 46 of upper cut-out 41 is less than at the bottom of tooth 47；The top of lower cut-out 43 is an inclined-plane 45, and namely the crown 46 of lower cut-out 43 is higher than at the bottom of tooth 47.Actual shape be crown 46 be a wedge angle.Can the crown 46 of above cut-out 41 lower surface and the crown 46 of lower cut-out 43 upper surface be all wedge angle when of concrete operations, it is also possible to as long as a side is wedge angle.
Referring to the drawings 2, accompanying drawing 1, accompanying drawing 2 is the side profile schematic diagram that the preservative film that the present invention provides cuts off the downward closed mode of appliance cover.
Lid 20 is closed downwards when, can be seen that upper cut-out 41 is inserted from above in lower cut-out 43 from the profile of side-looking.
In figure, upper cut-out 41 is before lower cut-out 43, it is also possible to upper cut-out 41 is after lower cut-out 43.
Said structure represents: because lid 20 be with the center of circle 33 of rear end open up in fan-shaped and close, so, cover 20 open when, upper cut-out 41 can follow lid 20 upward out lower cut-outs 43；Lid 20 is closed downwards when, upper cut-out 41 can follow directly after lid 20 and be returned to downwards original position.
Further indicating that: if be placed on by preservative film 13 on the top of lower cut-out 43, preservative film 13 will be cut off on the top of lower cut-out 43 by force by the bottom of the crown 46 of upper cut-out 41 and tooth 47.
Referring to the drawings 3, accompanying drawing 3 is the top cross-sectional view that the preservative film that the present invention provides cuts off the downward closed mode of appliance cover.
The length of described upper cut-out 41 and lower cut-out 43 is more than the width of preservative film 13.
Upper cut-out 41 and lower cut-out 43 are respectively arranged with the Profile of AT that side is triangular shape.
Described upper cut-out Profile of AT 42 and incision broken teeth profile 44 are relatively to arrange, and at the bottom of described upper cut-out 41 and crown 46 tooth of lower cut-out 43,47 is cross one another, at the bottom of the crown 46 of upper cut-out 41 and the tooth of lower cut-out 43 47 be smaller than tooth depth 48.
The cut-out of preservative film 13 so completes: lid 20 is closed downwards when, first be upper cut-out 41 crown 46 start contact with at the bottom of the tooth of lower cut-out 43 47, and it is gradually inserted from top to down at the bottom of the tooth of lower cut-out 43 47, this time, because the preservative film 13 on lower cut-out 43 top can be pullled downwards, then inserted by force by wedge angle, along with the pressure preservative film 13 down of upper cut-out 41 is by transversely cutting.
According to test, upper cut-out Profile of AT 42, incision broken teeth profile 44 space width between 1 to 30 millimeters, preservative film 13 can be cut off between 1 to 10 millimeters by tooth depth 48 effectively.
Finally it is necessary described herein: above example is served only for being described in more detail technical scheme; it is not intended that limiting the scope of the invention, some nonessential improvement and the adjustment made according to the foregoing of the present invention belong to protection scope of the present invention.
Claims (4)
1. the preservative film shearing device that tooth is sheared, including lid (20), box (10), connector (30), blank (40) and preservative film (13), wherein:
Described preservative film (13) is placed in box (10), and the outlet (12) of strip is arranged at the top (11) of box, and the preservative film (13) in box (10) is stretched from outlet (12)；
Described lid (20) is in the top of box (10)；
Described connector (30) include connection (31) with under be connected (32), upper connection (31) with under be connected (32) and rotate the same center of circle (33) are upper, described lower connection (32) is fixed on the top (11) of outlet (12) box below, and described upper connection (31) is fixed on the rear end of the bottom (21) of lid；
Described blank (40) includes cut-out (41), lower cut-out (43), described upper cut-out (41), lower cut-out (43) are elongated, length is more than the width of preservative film (13), it is Profile of AT that upper cut-out (41) and lower cut-out (43) are respectively arranged with a side, upper cut-out Profile of AT (42) is relative with incision broken teeth profile (44), Profile of AT has at the bottom of the crown (46) being arranged in order of vertical configuration and tooth (47), and the crown (46) of described upper cut-out (41) is positioned at (47) place at the bottom of the tooth of lower cut-out (43)；
The top of upper cut-out (41) is fixed on the front of the bottom (21) of lid, and the bottom of lower cut-out (43) is fixed on the top (11) of the box before outlet (12) place.
The preservative film shearing device that a kind of tooth the most according to claim 1 is sheared, is characterized in that: the crown (46) of the upper bottom cutting off (41) is less than (47) at the bottom of tooth；The crown (46) on the top of lower cut-out (43) is higher than (47) at the bottom of tooth.
The preservative film shearing device that a kind of tooth the most according to claim 1 is sheared, is characterized in that: the spacing of the Profile of AT of the upper Profile of AT cutting off (41) and lower cut-out (43) is not more than tooth depth (48).
The preservative film shearing device that a kind of tooth the most according to claim 1 is sheared, is characterized in that: the space width of the Profile of AT of the upper Profile of AT cutting off (41) and lower cut-out (43) is between 1 to 30 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510114758.2A CN106032223A (en) | 2015-03-16 | 2015-03-16 | Preservative film cutting device cutting by teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510114758.2A CN106032223A (en) | 2015-03-16 | 2015-03-16 | Preservative film cutting device cutting by teeth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106032223A true CN106032223A (en) | 2016-10-19 |
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ID=57151199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510114758.2A Pending CN106032223A (en) | 2015-03-16 | 2015-03-16 | Preservative film cutting device cutting by teeth |
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| Country | Link |
|---|---|
| CN (1) | CN106032223A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2277960Y (en) * | 1996-05-23 | 1998-04-08 | 曹迦 | Film box with cutter |
| CN2356978Y (en) * | 1999-01-15 | 2000-01-05 | 唐洲企业有限公司 | Device for cutting plastic wrap |
| CN2880760Y (en) * | 2005-12-19 | 2007-03-21 | 王钜洪 | Blade on antistaling film box |
| CN201746153U (en) * | 2010-08-20 | 2011-02-16 | 上海宏曲电子科技有限公司 | Film extrusion cutting device |
| CN202379515U (en) * | 2011-11-26 | 2012-08-15 | 魏妲 | Preservative film cutter |
| CN103569733A (en) * | 2012-07-30 | 2014-02-12 | 上海宏曲电子科技有限公司 | Application device of plastic wrap with V-tooth blade and double-slope toothed blade rest |
| CN204096700U (en) * | 2014-09-17 | 2015-01-14 | 河南泰邦铝业有限公司 | Aluminum foil drawing-out case |
-
2015
- 2015-03-16 CN CN201510114758.2A patent/CN106032223A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2277960Y (en) * | 1996-05-23 | 1998-04-08 | 曹迦 | Film box with cutter |
| CN2356978Y (en) * | 1999-01-15 | 2000-01-05 | 唐洲企业有限公司 | Device for cutting plastic wrap |
| CN2880760Y (en) * | 2005-12-19 | 2007-03-21 | 王钜洪 | Blade on antistaling film box |
| CN201746153U (en) * | 2010-08-20 | 2011-02-16 | 上海宏曲电子科技有限公司 | Film extrusion cutting device |
| CN202379515U (en) * | 2011-11-26 | 2012-08-15 | 魏妲 | Preservative film cutter |
| CN103569733A (en) * | 2012-07-30 | 2014-02-12 | 上海宏曲电子科技有限公司 | Application device of plastic wrap with V-tooth blade and double-slope toothed blade rest |
| CN204096700U (en) * | 2014-09-17 | 2015-01-14 | 河南泰邦铝业有限公司 | Aluminum foil drawing-out case |
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Application publication date: 20161019 |